CN110010411B

CN110010411B - Relay fixing structure

Info

Publication number: CN110010411B
Application number: CN201910226370.XA
Authority: CN
Inventors: 祝洋芳
Original assignee: Shenzhen Longdian Huaxin Holding Group Co Ltd
Current assignee: Shenzhen Longdian Huaxin Holding Group Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-10-30
Anticipated expiration: 2039-03-25
Also published as: CN110010411A

Abstract

The invention provides a relay fixing structure, which comprises a base; the cantilever elastic sheet is connected with the cantilever of the base, and a positioning part matched with the conducting strip of the relay is arranged on the cantilever elastic sheet; the positioning piece is parallel to the cantilever elastic piece, a clamping groove used for accommodating the conducting piece is formed on the side wall of the base, the positioning piece and the cantilever elastic piece together, and one end of the conducting piece extends into the clamping groove. According to the relay fixing structure provided by the invention, the conducting strip of the relay is abutted to the clamping groove through the cantilever elastic sheet and the positioning sheet, and the cantilever elastic sheet is also provided with the positioning part matched with the conducting strip, so that the conducting strip is prevented from sliding in the clamping groove, the relay does not need to be fixed by screws, the assembling working hour can be shortened, and the contact resistance cannot be increased.

Description

Relay fixing structure

Technical Field

The invention belongs to the technical field of electric energy meters, and particularly relates to a relay fixing structure.

Background

An electric energy meter is an instrument for measuring electric energy, also called a watt-hour meter, and is widely applied in the field of electrical engineering. The relay is a key device in the electric energy meter, and the service life of the relay determines the service life of the electric energy meter to some extent. Among the present electric energy meter, the relay is mostly through the fix with screw in the casing of electric energy meter, uses the fix with screw relay can increase during the assembly, and the screw can increase contact resistance moreover, when leading to the electric current great, and the junction temperature rise is great.

Disclosure of Invention

The invention aims to provide a relay fixing structure, which aims to solve the technical problems that the assembly time is increased and the contact resistance is increased when a screw is used for fixing a relay in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a relay fixing structure including:

a base;

the cantilever elastic sheet is connected with the cantilever of the base, and a positioning part matched with the conducting strip of the relay is arranged on the cantilever elastic sheet;

the positioning piece is parallel to the cantilever elastic piece, a clamping groove used for accommodating the conducting piece is formed on the side wall of the base, the positioning piece and the cantilever elastic piece together, and one end of the conducting piece extends into the clamping groove.

Further, the positioning part is a protrusion or a groove.

Furthermore, the positions of the positioning part and the positioning sheet are the same in the length direction of the cantilever elastic sheet.

Further, the base comprises two first side portions parallel to each other and a bottom portion, and the two first side portions, the bottom portion, the positioning piece and the cantilever spring piece jointly form the clamping groove.

Furthermore, an avoiding groove is formed in the bottom, and the cantilever elastic sheet is arranged in the avoiding groove and connected with the side wall of the avoiding groove.

Furthermore, the number of the positioning pieces is two, the two positioning pieces are respectively connected with the two first side parts one by one, and a gap for the cantilever elastic piece to move up and down is formed between the two positioning pieces.

Further, the base further comprises two second side portions which are parallel to each other, the two first side portions and the two second side portions are sequentially and alternately connected, and one end of the conducting strip abuts against one of the second side portions.

Further, the cantilever spring plate is vertically connected with one of the second side parts.

Further, the electric conduction plate fixing device further comprises a binding post used for being in contact with the electric conduction plate, and a fastener used for fixing the binding post and the electric conduction plate.

The cantilever spring plate and the positioning plate are sequentially arranged along the length direction of the base, and one conductive plate is correspondingly fixed at each cantilever spring plate.

The relay fixing structure provided by the invention has the beneficial effects that: compared with the prior art, the relay fixing structure comprises the base, the cantilever elastic sheet and the positioning sheet, wherein a clamping groove is formed between the positioning sheet and the cantilever elastic sheet and used for accommodating the conducting sheet of the relay, and the cantilever elastic sheet is connected with the cantilever of the base, so that the cantilever elastic sheet has elasticity and can be abutted against the conducting sheet in the clamping groove.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective structural view of a relay fixing structure provided in an embodiment of the present invention;

fig. 2 is a sectional view of a relay fixing structure provided in an embodiment of the present invention;

FIG. 3 is a perspective view of a base and a positioning plate according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a base and a positioning plate according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

010-a conductive sheet; 011-wiring plane; 1-a base; 11-a first side; 121-front lateral part; 122-posterior lateral section; 13-bottom; 130-avoidance slot; 2-cantilever spring plate; 21-a positioning section; 3-a positioning sheet; 4-a binding post; 5-fastening piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4 together, a relay fixing structure according to the present invention will now be described. The relay fixing structure comprises a base 1, a cantilever spring plate 2 and a positioning plate 3.

Cantilever shell fragment

2 and 1 cantilever connection of base, spacer 3 and cantilever shell fragment 2 are parallel to each other, and the lateral wall of base 1, spacer 3 and cantilever shell fragment 2 are formed with jointly and press from both sides the groove, press from both sides the groove and are used for holding the conducting strip 010 of relay, and one side that presss from both sides the groove has the opening, and during the assembly, conducting strip 010 stretches into from this opening and presss from both sides the groove, and cantilever shell fragment 2 can support conducting strip 010 tightly in spacer 3. The width and thickness of the clamping groove are respectively matched with the width and thickness of the conducting strip 010, so that the conducting strip 010 is prevented from shaking in the thickness direction and the width direction. The cantilever spring 2 is provided with a positioning portion 21 engaged with the conductive plate 010, and the positioning portion 21 functions to prevent the conductive plate 010 from shaking in a length direction thereof. So, conducting strip 010 is fixed in base 1 and spacer 3 completely through the shell fragment, and easy dismounting has shortened the assemble duration moreover, reduces thermal contact resistance. In addition, the conducting strip 010 has a wiring surface 011, and the conducting strip 010 is in surface contact with the cable, so that the contact area is large, and the thermal contact resistance is further reduced.

Compared with the prior art, the relay fixing structure provided by the invention comprises a base 1, a cantilever elastic sheet 2 and a positioning sheet 3, wherein a clamping groove is formed between the positioning sheet 3 and the cantilever elastic sheet 2 and used for accommodating a conducting sheet 010 of the relay, and the cantilever elastic sheet 2 is in cantilever connection with the base 1, so that the cantilever elastic sheet 2 has elasticity and can abut the conducting sheet 010 in the clamping groove, in addition, the cantilever elastic sheet 2 is also provided with a positioning part 21 matched with the conducting sheet 010 to prevent the conducting sheet 010 from sliding in the clamping groove, so that the conducting sheet 010 of the relay is fixed on the base 1 and the positioning sheet 3, the screw fixation is not needed, the assembly time is shortened, and the contact thermal resistance is not increased.

Referring to fig. 2 and 4, as an embodiment of the relay fixing structure provided by the present invention, the positioning portion 21 is a protrusion or a groove. In one embodiment, the positioning portion 21 is a protrusion, a positioning hole is correspondingly formed on the conductive sheet 010, and the positioning portion 21 extends into the positioning hole to prevent the conductive sheet 010 from sliding in the clamping groove. The protrusions may be cylindrical, square, etc., tapered, etc., and the shape thereof is not limited herein. Preferably, the top of the protrusion is in an inclined plane shape, which has a guiding function and facilitates the assembly and disassembly of the conductive strip 010. In another embodiment, the positioning portion 21 is a groove, and the conductive sheet 010 is correspondingly provided with a positioning post.

Referring to fig. 1 and 4, as an embodiment of the relay fixing structure provided by the present invention, the positions of the positioning portion 21 and the positioning piece 3 are the same in the length direction of the cantilever spring 2. Since the conductive sheet 010 has a position where the positioning portion 21 abuts, the structure thereof is most stable, and the positioning portion 21 is provided at the position, the stability of the relay fixing structure can be further enhanced. In another embodiment, the projection area of the positioning portion 21 on the cantilever spring 2 is all located in the projection area of the positioning plate 3 on the cantilever spring 2, which also can increase the stability of the relay fixing structure.

Referring to fig. 3, as a specific embodiment of the relay fixing structure provided by the present invention, the base 1 includes two first side portions 11 parallel to each other and a bottom portion 13, a surface of the two first side portions 11 and a surface of the bottom portion 13 form a side wall of the base 1 together, and the two first side portions 11, the bottom portion 13, the positioning piece 3 and the cantilever spring 2 form the clamping groove together. The arrangement of the bottom 13 increases the bearing area of the conductive sheet 010, and prevents the cantilever spring plate 2 from being irreversibly deformed or even broken due to overlarge stress. Optionally, the first side 11 and the bottom 13 are connected vertically.

In one embodiment, the base 1, the cantilever spring 2 and the positioning plate 3 are integrally formed. Specifically, in the production process, base 1,

cantilever shell fragment

2, 3 accessible of spacer injection moulding integrated into one piece, but the assembly is accomplished to relay's conducting strip 010 disect insertion in pressing from both sides the groove, need not other parts of erection joint in this assembling process, has greatly simplified installation procedure.

Referring to fig. 3, as an embodiment of the relay fixing structure provided by the present invention, an avoiding groove 130 is formed in the bottom 13, and the cantilever spring 2 is disposed in the avoiding groove 130 and connected to a sidewall of the avoiding groove 130. In this embodiment, the gap between the bottom 13 and the cantilever spring 2 is U-shaped, so that the free end of the cantilever spring 2 can move up and down. The plane of the cantilever elastic sheet 2 and the plane of the bottom 13 are the same plane, so that the processing and the manufacturing are convenient, and the connection strength of the cantilever elastic sheet 2 and the bottom 13 can be ensured to a certain extent.

Referring to fig. 1 and 3, as an embodiment of the relay fixing structure provided by the present invention, two positioning pieces 3 are respectively connected to the two first side portions 11 one by one, and a gap for the cantilever spring piece 2 to move up and down is formed between the two positioning pieces 3. When the conductive piece 010 is inserted into the clamping groove, since the cantilever spring 2 is provided with the positioning portion 21, the cantilever spring 2 slightly deforms to enter the clamping groove, and finally the positioning portion 21 is matched with the positioning structure on the conductive piece 010. Therefore, in the assembling process, the cantilever elastic sheet 2 can slightly deform under the influence of the positioning part 21, and the gap between the two positioning pieces 3 can facilitate the deformation of the cantilever elastic sheet 2, so that the assembling is facilitated.

In another embodiment, the number of the positioning plate 3 is one, one end of the positioning plate 3 is connected to one of the first side portions 11, and the other end of the positioning plate 3 is connected to the other first side portion 11, so that the positioning plate 3 spans the two first side portions 11.

Referring to fig. 3, as a specific embodiment of the relay fixing structure provided in the present invention, the base 1 further includes two second side portions parallel to each other, the two first side portions 11 and the two second side portions are alternately connected in sequence, and one end of the conductive sheet 010 abuts against one of the second side portions. The two first sides 11 and the two second sides are connected to form a support frame, so that the bottom 13 has a certain distance from the bottom side of the support frame, and the cantilever spring 2 has a certain movement space. Moreover, one end of the conductive sheet 010 abuts against the second side portion, and the second side portion has a positioning function on the conductive sheet 010. In this embodiment, the second side portion abutting against the conductive sheet 010 is the front side portion 121.

Referring to fig. 4, as a specific embodiment of the relay fixing structure provided by the present invention, the cantilever spring 2 is vertically connected to one of the second sides, so that the flexibility of the cantilever spring 2 is enhanced. In this embodiment, the avoiding groove 130 extends to the surface of the second side portion, so that the cantilever spring 2 is directly connected to the second side portion, and the second side portion directly connected to the cantilever spring 2 is the rear side portion 122.

Referring to fig. 1 and 2, as an embodiment of the relay fixing structure provided in the present invention, the relay fixing structure further includes a terminal 4 for contacting the conductive plate 010, and a fastener 5 for fixing the terminal 4 and the conductive plate 010. The terminal 4 contacts the conductive strip 010, so that the conductive strip 010 is conducted with the terminal 4. More specifically, the external cable or tab is electrically connected through the terminal 4 and the wiring face 011 of the conductive strip 010 to achieve the electrical connection of the cable and the relay. The fastener 5 penetrates through one side of the binding post 4 to be abutted against the conducting strip 010, and further has a fixing effect on the conducting strip 010.

Referring to fig. 1, as an embodiment of the relay fixing structure provided by the present invention, the relay fixing structure is used to fix a plurality of conductive sheets 010, the number of the cantilever spring pieces 2 and the number of the positioning pieces 3 are plural, the cantilever spring pieces 2 and the positioning pieces 3 are sequentially arranged along the length direction of the base 1, and one conductive sheet 010 is correspondingly fixed at each cantilever spring piece 2. A plurality of relays can be fixed on the base 1, a plurality of cantilever elastic pieces 2 are correspondingly arranged, the base 1 can be selected to be in a long strip shape, the cantilever elastic pieces 2 are arranged along the length direction of the base 1, and the relays are also arranged along the length direction of the base 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Relay fixed knot constructs, its characterized in that includes:

a base;

2. The relay fixing structure according to claim 1, wherein: the positioning part is a protrusion or a groove.

3. The relay fixing structure according to claim 2, wherein: in the length direction of the cantilever elastic sheet, the positions of the positioning part and the positioning sheet are the same.

4. The relay fixing structure according to claim 1, wherein: the base comprises two first side portions and a bottom portion, the first side portions are parallel to each other, the side walls of the base are formed by the surfaces of the two first side portions and the surface of the bottom portion, and the clamping grooves are formed by the two first side portions, the bottom portion, the positioning piece and the cantilever elastic piece.

5. The relay fixing structure according to claim 4, wherein: the bottom is provided with an avoiding groove, and the cantilever elastic sheet is arranged in the avoiding groove and connected with the side wall of the avoiding groove.

6. The relay fixing structure according to claim 4, wherein: the number of the positioning pieces is two, the positioning pieces are respectively connected with the two first side parts one by one, and a gap for the cantilever elastic piece to move up and down is formed between the two positioning pieces.

7. The relay fixing structure according to claim 4, wherein: the base further comprises two second side portions which are parallel to each other, the two first side portions and the two second side portions are sequentially and alternately connected, and one end of the conducting strip abuts against one of the second side portions.

8. The relay fixing structure according to claim 7, wherein: the cantilever spring plate is vertically connected with one of the second side parts.

9. The relay fixing structure according to any one of claims 1 to 8, wherein: the electric connector also comprises a binding post which is used for contacting the conducting strip and a fastener which is used for fixing the binding post and the conducting strip.

10. The relay fixing structure as claimed in any one of claims 1 to 8, for fixing a plurality of the conductive sheets, wherein: the number of the cantilever spring pieces and the positioning pieces is multiple, the cantilever spring pieces and the positioning pieces are sequentially arranged along the length direction of the base, and one conducting piece is correspondingly fixed at each cantilever spring piece.