CN214350510U - Spot welding fixture for thermal relay - Google Patents
Spot welding fixture for thermal relay Download PDFInfo
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- CN214350510U CN214350510U CN202022954646.7U CN202022954646U CN214350510U CN 214350510 U CN214350510 U CN 214350510U CN 202022954646 U CN202022954646 U CN 202022954646U CN 214350510 U CN214350510 U CN 214350510U
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- spot welding
- thermal relay
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Abstract
The utility model relates to a spot welding fixture for a thermal relay, which comprises a first positioning piece, a second positioning piece and a welding fixture, wherein one side of the surface of the first positioning piece is provided with a groove, and the groove comprises a first groove and a second groove which are layered up and down; the second positioning piece comprises a first positioning block and a second positioning block, and the front end of the second groove is set into a first space for placing a button spring by the second positioning block; the third positioning piece is arranged in the first groove, a second space in which the sheet spring can be inserted is formed by the third positioning piece and the first groove, and an opening matched with the contact piece is formed in the front end of the third positioning piece; the contact blade arranged at the opening of the third positioning piece is driven to cling to the upper surface of the leaf spring inserted into the second space; the fifth positioning piece is provided with a mounting surface for mounting the connecting plate, the four parts of the auxiliary contact are mutually fixed through mutual matching of the positioning pieces, the parts are formed through spot welding at one time, the positioning is accurate, the consistency of sizes of welding pieces is good, the working time is saved, the production efficiency is improved, and meanwhile, the resetting performance of products is improved.
Description
Technical Field
The utility model relates to a low voltage apparatus technical field, concretely relates to spot welding anchor clamps for thermal relay.
Background
95 auxiliary contact of thermal relay JR36 series is generally by leaf spring, the contact blade, four part spot welding of button spring and connection board form, but because leaf spring and button spring are stainless steel material thin part, general thickness is 0.2mm, consequently need utilize energy storage formula welding machine, carry out cubic spot welding shaping to four parts, earlier with leaf spring and contact blade spot welding, again with button spring and connection board spot welding, at last with both after spot welding carry out spot welding and connect, constitute complete auxiliary contact, when carrying out spot welding, each part all does not have accurate positioning fixture to fix a position, consequently, seriously influence spot welding efficiency and product quality uniformity.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a spot welding anchor clamps for thermal relay.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a spot welding jig for a thermal relay, comprising:
the width of the first groove is larger than that of the second groove, and the distance between the first groove and the second groove is matched with the thickness of a spot welding position of the connecting plate;
the second positioning piece comprises a first positioning block arranged in the first groove and a second positioning block arranged in the second groove, and the front end of the second groove is set into a first space capable of accommodating the button spring by the second positioning block;
the third positioning piece is arranged in the first groove, a second space in which the sheet spring can be inserted is formed by the third positioning piece and the first groove, and an opening matched with the contact piece is formed in the front end of the third positioning piece;
the fourth positioning piece has elasticity and drives the contact blade arranged at the opening of the third positioning piece to be closely attached to the upper surface of the sheet spring inserted in the second space;
and the fifth positioning piece is arranged on one side of the groove and is provided with a mounting surface for mounting the connecting plate, and when the connecting plate is mounted on the mounting surface, the spot welding position of the connecting plate is positioned between the button spring and the leaf spring which are inserted in the first space and the second space.
And a yielding groove for the silver contact of the leaf spring to slide is formed between the first groove and the second groove.
The bottom of the first groove is provided with a plurality of arc-shaped grooves.
The fifth positioning piece comprises a step formed at the front end of the fifth positioning piece and a groove arranged on the inner side of the fifth positioning piece.
The step surface is equipped with the hole of stepping down.
The groove is provided with a chamfer.
The first positioning piece, the second positioning piece, the third positioning piece and the fourth positioning piece are fixed through bolts.
The first positioning piece and the fifth positioning piece are fixed through bolts.
The rear end of the fifth positioning piece is provided with a limiting block, and the front end of the first positioning piece is correspondingly provided with a limiting groove matched with the first positioning piece.
The utility model has the advantages that: mutual fixing of four parts of the auxiliary contact is realized through mutual matching of the positioning pieces, the parts are formed through spot welding at one time, positioning is accurate, the consistency of sizes of welding pieces is good, working hours are saved, production efficiency is improved, and meanwhile the resetting performance of products is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is an explosion diagram of the present invention.
Fig. 5 is a schematic structural view of the auxiliary contact.
Fig. 6 is a rear perspective view of a fifth positioning member according to the present invention.
Fig. 7 is a front perspective view of a fifth positioning member according to the present invention.
Fig. 8 is a schematic perspective view of the first positioning member of the present invention.
Fig. 9 is a front view of the first positioning member of the present invention.
Fig. 10 is a schematic structural view of a second positioning element according to the present invention.
Fig. 11 is a schematic structural view of a third positioning element according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in the figure, the utility model provides a spot welding anchor clamps for thermal relay, it includes:
the first positioning piece 1 is provided with a groove with at least one end penetrating through on one side of the surface, the groove comprises a first groove 14 and a second groove 12 which are arranged in an upper-lower layered mode, the width of the first groove is larger than that of the second groove, and the distance between the first groove and the second groove is matched with the thickness of a spot welding position of the connecting plate.
The first positioning piece is a quadrangular base and is divided into a left side and a right side by a central line, wherein one side is provided with a groove, the front end of the other side is fixedly connected with a fifth positioning piece, the groove is divided into an upper groove and a lower groove, the first groove is positioned at the upper side and has a width larger than that of the second groove, the second groove is positioned at the lower side, so that a supporting surface is formed above the second groove, the thickness of the supporting surface is matched with that of the spot welding position of the connecting plate, when the leaf spring and the button spring are respectively arranged in the first groove and the second groove, a certain gap exists between the first groove and the second groove, the gap just meets the thickness of the spot welding position of the connecting plate 7, the first groove and the second groove can be stacked together, meanwhile, a abdicating groove 15 for the silver contact of the leaf spring to slide is formed between the first groove and the second groove, namely, the first groove and the second groove are communicated through the abdicating groove, and the arrangement of the abdicating groove mainly meets the requirement that the sheet spring is inserted into the first groove.
The bottom of the first groove is provided with a plurality of arc-shaped grooves 16, and the friction force between the bottom of the first groove and the sheet spring 9 is reduced by utilizing a plurality of arc-shaped grooves which are arranged in parallel with the groove, so that the sheet spring can be inserted conveniently;
the second positioning part 2 comprises a first positioning block 21 arranged in the first groove and a second positioning block 22 arranged in the second groove, the front end of the second groove is arranged into a first space capable of containing the button spring by the second positioning block, the first positioning block and the second positioning block are integrally formed, the length in the first groove is limited by the first positioning block, so that the rear end of the sheet spring is just the position to be subjected to spot welding when the sheet spring is inserted to the bottom, and similarly, the length of the first space 10 is limited by the second positioning block, so that the button spring is conveniently placed in the first space to meet the requirement of spot welding, and meanwhile, the first space is arranged to ensure that the button spring 8 is prevented from popping up when being loaded into the space, so that the fixing effect is better achieved;
the third positioning piece 3 is arranged in the first groove and forms a second space 11 with the first groove, the second space can be inserted with a leaf spring, the front end of the third positioning piece is provided with an opening matched with the contact blade 6, two sides of the third positioning piece are provided with sliders 31 which are arranged in the first groove, the distance between the third positioning piece and the third positioning piece is matched with the width of the leaf spring, the leaf spring inserted into the second space cannot shake, the spot welding effect is influenced, in addition, in order to facilitate the installation and fixation of the contact blade, the front end of the third positioning piece is provided with an opening, the width of the opening is matched with the width of the contact blade, so that the position of the contact blade is limited, and in addition, the rear end of the opening 32 is provided with a baffle 33 for limiting the insertion distance of the contact blade;
the fourth positioning piece 4 is elastic, drives the contact blade arranged at the opening of the third positioning piece to be tightly attached to the upper surface of the sheet spring inserted in the second space, one end of the fourth positioning piece is fixedly arranged at the rear end of the third positioning piece, the other end of the fourth positioning piece is provided with an arc pressure head, and the contact blade can be tightly pressed on the upper surface of the sheet spring by utilizing the elasticity of the material of the fourth positioning piece 4 to complete positioning;
and a fifth positioning member 5 disposed at one side of the recess and having a mounting surface for mounting the link plate, and when the link plate is mounted to the mounting surface, a spot welding portion of the link plate is located between the leaf spring and the button spring inserted in the first space and the second space.
The fifth positioning piece comprises a step 53 formed at the front end of the fifth positioning piece and a groove arranged on the inner side of the fifth positioning piece, the connecting plate is positioned by the step and the groove, and whether the connecting plate is accurately positioned or not is ensured to be confirmed by an assembling person through the step and the groove respectively.
The step surface is provided with relief holes 52 to better facilitate placement of the tie plate on the step.
The grooves are chamfered to facilitate insertion of portions of the tie plate into the grooves 54.
The rear end of the fifth positioning piece is provided with a limiting block 51, the front end of the first positioning piece is correspondingly provided with a limiting groove matched with the first positioning piece, when the fifth positioning piece is installed, the position is better limited, and the positioning precision of the clamp is ensured.
The first positioning piece, the second positioning piece, the third positioning piece and the fourth positioning piece are fixed through bolts.
The first positioning piece and the fifth positioning piece are fixed through bolts.
Each part is formed by one-time spot welding, the positioning is accurate, the consistency of the sizes of the welding parts is good, the working hours are saved, the production efficiency is improved, and the resetting performance of the product is improved.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (9)
1. The utility model provides a spot welding anchor clamps for thermal relay which characterized in that, it includes:
the width of the first groove is larger than that of the second groove, and the distance between the first groove and the second groove is matched with the thickness of a spot welding position of the connecting plate;
the second positioning piece comprises a first positioning block arranged in the first groove and a second positioning block arranged in the second groove, and the front end of the second groove is set into a first space capable of accommodating the button spring by the second positioning block;
the third positioning piece is arranged in the first groove, a second space in which the sheet spring can be inserted is formed by the third positioning piece and the first groove, and an opening matched with the contact piece is formed in the front end of the third positioning piece;
the fourth positioning piece has elasticity and drives the contact blade arranged at the opening of the third positioning piece to be closely attached to the upper surface of the sheet spring inserted in the second space;
and the fifth positioning piece is arranged on one side of the groove and is provided with a mounting surface for mounting the connecting plate, and when the connecting plate is mounted on the mounting surface, the spot welding position of the connecting plate is positioned between the button spring and the leaf spring which are inserted in the first space and the second space.
2. The spot welding jig for a thermal relay according to claim 1, characterized in that: and a yielding groove for the silver contact of the leaf spring to slide is formed between the first groove and the second groove.
3. The spot welding jig for a thermal relay according to claim 1, characterized in that: the bottom of the first groove is provided with a plurality of arc-shaped grooves.
4. The spot welding jig for a thermal relay according to claim 1, characterized in that: the fifth positioning piece comprises a step formed at the front end of the fifth positioning piece and a groove arranged on the inner side of the fifth positioning piece.
5. The spot welding jig for a thermal relay according to claim 4, characterized in that: the step surface is equipped with the hole of stepping down.
6. The spot welding jig for a thermal relay according to claim 4, characterized in that: the groove is provided with a chamfer.
7. The spot welding jig for a thermal relay according to claim 1, characterized in that: the first positioning piece, the second positioning piece, the third positioning piece and the fourth positioning piece are fixed through bolts.
8. The spot welding jig for a thermal relay according to claim 1, characterized in that: the first positioning piece and the fifth positioning piece are fixed through bolts.
9. The spot welding jig for a thermal relay according to claim 1, characterized in that: the rear end of the fifth positioning piece is provided with a limiting block, and the front end of the first positioning piece is correspondingly provided with a limiting groove matched with the first positioning piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954646.7U CN214350510U (en) | 2020-12-11 | 2020-12-11 | Spot welding fixture for thermal relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954646.7U CN214350510U (en) | 2020-12-11 | 2020-12-11 | Spot welding fixture for thermal relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214350510U true CN214350510U (en) | 2021-10-08 |
Family
ID=77983175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022954646.7U Active CN214350510U (en) | 2020-12-11 | 2020-12-11 | Spot welding fixture for thermal relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214350510U (en) |
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2020
- 2020-12-11 CN CN202022954646.7U patent/CN214350510U/en active Active
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