Electromagnetic solenoid adopting elastic sheet for transition conduction
By adding a spring-loaded transition conductive structure to the electromagnetic solenoid, the problem of increased costs due to mold coating in existing technologies is solved, achieving a highly reliable and low-cost electrical connection, avoiding the risks of poor soldering and missing soldering, and improving the service life of the electromagnetic solenoid.
Patent Information
- Application Number
- CN202520058294.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing electromagnetic solenoids require plastic encapsulation through molds during the production process to achieve electrical connection with external equipment, which increases production steps and costs.
The electromagnetic solenoid uses a spring-loaded conductive spring. By adding an extra spring, the spring and the terminal block are pressed into contact and welded together, and the fixing bracket is directly snapped onto the electrical connection surface of the external equipment, reducing the plastic coating process and materials.
It achieves highly reliable electrical connections, avoids the risks of poor soldering and missing soldering, reduces production costs, and improves the service life and connection stability of electromagnetic solenoids.
Smart Images
Figure CN223743385U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical connection technical field, concretely relates to a kind of electromagnetic solenoid using elastic sheet transition conduction. BACKGROUND
[0002] With the rapid development of electromagnetic solenoid application field, electromagnetic solenoid connection reliability, convenience and low cost are more and more concerned.
[0003] In the production process of existing electromagnetic solenoid, since only terminal is provided, in order to realize electrical connection with external equipment, it needs to be overmolded on electromagnetic solenoid by mold, and external equipment also needs to be equipped with corresponding plug to realize mutual connection, which not only increases production process, but also increases production cost. UTILITARY MODEL CONTENTS
[0004] The utility model discloses to solve the deficiency of prior art, the purpose is to provide a kind of electromagnetic solenoid using elastic sheet transition conduction, using this scheme, by the setting of additional elastic sheet, can reduce overmolding link and overmolding material, when connecting external equipment, fixed support can be directly buckled on the electrical connection surface of external equipment.
[0005] The utility model discloses the following technical scheme realizes:
[0006] A kind of electromagnetic solenoid using elastic sheet transition conduction, comprising:
[0007] Framework and coil wound on the framework;
[0008] Elastic sheet, the elastic sheet is fixed to one end of the framework, and the elastic sheet is partially connected with terminal on the framework;The elastic sheet top has elastic arm, the elastic arm includes two elastic plates distributed and connected in upper and lower, two the elastic plate between angle of clamping, and angle of clamping can be changed under the action of elastic force;Second contact is carried on the free end of the elastic plate in upper, and the free end of this elastic plate is inclined to be arranged in the direction gradually away from the framework;
[0009] Fixed support, the fixed support is fixed to one end of the framework, and the fixed support has through slot, and the terminal and the elastic sheet are all located in the through slot;
[0010] The elastic arm partially extends the through slot.
[0011] In the prior art electromagnetic solenoid, only a terminal is provided, and in order to realize electrical connection with external equipment, the electromagnetic solenoid needs to be overmolded by a mold, which increases the production process and production cost. The utility model provides an electromagnetic solenoid with a spring piece for transition conduction, which can reduce the overmolding process and overmolding material, and when connecting with external equipment, the fixing bracket can be directly buckled on the electrical connection surface of the external equipment.
[0012] In the specific scheme, a skeleton is provided, and a wire winding groove is arranged in the middle of the skeleton for flat winding of a coil; the terminal and the spring piece are fixed in the same end platform of the skeleton and are arranged adjacently; the terminal is used for welding with the lead wire of the coil, i.e. the enameled wire, and the spring piece is connected with the terminal and is used as a transfer connecting piece for electrical connection with external equipment; one end of the skeleton is provided with a fixing structure, and the fixing bracket is fixedly connected to the fixing structure; at this time, the terminal and the spring piece are located in the through slot of the fixing bracket to protect the terminal and the spring piece; the elastic arm is made of a metal material with elasticity, and the elastic arm includes two connected elastic plates, one end of the lower elastic plate is connected to the horizontal support plate segment through an arc-shaped plate, the other end of the lower elastic plate is connected to the upper elastic plate through another arc-shaped plate, and the elastic arm is similar to an S shape; the upper elastic plate is arranged obliquely and is provided with a second contact point; the elastic arm partially protrudes from the opening of the through slot, so that the fixing bracket can be directly buckled on the electrical connection surface of the external equipment, and the fixing of the two can be realized through an additional fixing piece; after fixing, the elastic force of the elastic arm can always ensure that the second contact point abuts against the external equipment to realize reliable connection. Through the above scheme, i.e. the additional arrangement of the spring piece, overmolding by a mold is not needed, the reliability is high, the client can reduce the plug, and the cost is reduced.
[0013] In a further scheme, since virtual welding and missing welding are the most important reasons for causing the open circuit failure of the electromagnetic solenoid, in order to avoid the serious consequences caused by the open circuit failure of the electromagnetic solenoid to the automobile and other machinery, the spring piece is provided with a first contact point and a welding surface, the spring piece is locally pressed and contacted with the terminal through the first contact point, and is locally welded and connected with the terminal through the welding surface. In the scheme, when the terminal and the spring piece are inserted into the skeleton, the first contact point of the spring piece is pressed against the terminal, and the two are connected in conduction through the pressed contact, which has the characteristics of good stability, convenient process, and low cost. In addition, the terminal and the spring piece are connected in conduction through welding, which can avoid the risk of virtual welding and missing welding in the process without increasing the cost. In long-term use, the terminal can ensure that there is no risk of electrical open circuit, thereby ensuring the reliability and service life of the electromagnetic solenoid.
[0014] Further, the lower part of the elastic sheet includes a vertical plate segment, and the welding surface and the first contact are located on the same side of the vertical plate segment, and the first contact is located below the welding surface. That is, the welding surface is arranged above the first contact, which facilitates the welding operation space.
[0015] Further, the elastic sheet is sequentially provided with a vertical plate segment, a horizontal support plate segment and an elastic arm from bottom to top, the upper end of the vertical plate segment is connected with the horizontal support plate segment and extends towards the direction of the terminal lug. In this embodiment, the elastic sheet includes the vertical plate segment, the horizontal support plate segment and the elastic arm from bottom to top, the horizontal support plate segment is used for connecting the vertical plate segment below and the elastic arm above respectively, and the vertical plate segment extends towards the direction of the terminal lug, so that the vertical plate segment is closer to the terminal lug, and the first contact and the welding surface on the vertical plate segment can be connected with the terminal lug.
[0016] Further, the through slot further has a support surface for supporting the horizontal support plate segment. The support surface is arranged away from the insertion slot of the bottom, and the vertical plate segment extends towards the direction of the terminal lug, so that the vertical plate segment can avoid the support surface and is inserted into the insertion slot when the elastic sheet is inserted into the through slot as a whole, and the horizontal support plate segment above is directly seated on the support surface, so that the elastic sheet is stably placed and deformation of the elastic sheet caused by the large elastic force of the elastic arm when the elastic sheet is connected with external equipment is avoided.
[0017] Further, the terminal lug and the elastic sheet are both two, and the two terminal lugs and the two elastic sheets are symmetrically arranged on the framework.
[0018] Further, as a specific structure of the terminal lug, the side walls of the two terminal lugs away from each other extend outwardly from bottom to top and sequentially have extrusion contact segments and welding segments, the first contact is used for extrusion contact with the extrusion contact segment, and the welding surface is used for welding with the welding segment.
[0019] Further, the terminal lug is made of soft metal material, and the welding segment can be bent towards the side of the terminal lug. In this embodiment, the material of the terminal lug is deformable, such as brass or other metal. When the elastic sheet is inserted, the welding segment is bent away from the elastic sheet, so that a space for the elastic sheet to move downward is left. In this process, the first contact gradually applies extrusion force to the extrusion contact segment, so that reliable contact is achieved. When the elastic sheet is moved to the position, the welding segment is reset in the reverse direction, so that the welding surface close to the elastic sheet is welded and connected.
[0020] Further, in order to realize reliable connection of the enameled wire, the two side walls of the lug away from each other are provided with curved cantilever sections, the curved cantilever sections are located above the welding sections, and the two curved cantilever sections are bent towards each other. In the scheme, the two curved cantilever sections are bent towards each other, and the two lead-out wires of the coil are welded to the inner sides of the two curved cantilever sections respectively. After welding, the two curved cantilever sections are deformed towards each other due to the deformability of the curved cantilever sections, so that the two lead-out wires are clamped and fixed, thereby improving the reliability of the connection.
[0021] Further, in order to realize quick connection of the lug and the elastic sheet, the bottom of the lug and the elastic sheet are provided with an insertion strip section, one end of the framework is provided with an insertion slot for inserting the insertion strip section, and the two sides of the insertion strip section are zigzag-shaped, and the insertion slot can be deformed under the insertion of the insertion strip section. Preferably, the insertion slot is made of a material with good flexibility, such as plastic. When the insertion strip section is inserted into the insertion slot, the insertion slot is slightly expanded and deformed to form extrusion. The two sides of the insertion strip section are zigzag-shaped, and the zigzag teeth are preferably inverted teeth. In this way, the insertion strip section is easy to insert, and a certain reliable connection is formed to prevent it from sliding out freely and achieve the anti-slip effect.
[0022] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0023] 1. The utility model provides a electromagnetic solenoid adopts elastic sheet transition conduction, adopts this scheme, through additional increase elastic sheet's setting, can reduce plastic wrapping link and plastic wrapping material, when connecting external equipment, can directly set the fixed support on the electrical connection surface of external equipment.
[0024] 2. The utility model provides a electromagnetic solenoid adopts elastic sheet transition conduction, adopts this scheme, can through extrusion contact conduction and welding connection conduction combined compound mode to guarantee that the lug avoids the open circuit failure caused by virtual welding, missing welding. DRAWINGS
[0025] The drawings described herein are used to provide further understanding of the embodiments of the utility model and form part of the present application, and do not constitute limitation to the embodiments of the utility model. In the drawings:
[0026] Figure 1 It is the explosion map of the electromagnetic solenoid provided by the utility model;
[0027] Figure 2 It is the structure schematic view of the framework provided by the utility model;
[0028] Figure 3 It is the structure schematic view of the lug provided by the utility model;
[0029] Figure 4The utility model provides a schematic diagram of the structure of the coil.
[0030] Figure 5 The utility model provides a schematic diagram of the structure of the elastic sheet.
[0031] Figure 6 The utility model provides a schematic diagram of the structure of the fixed support.
[0032] Figure 7 The utility model provides the overall assembly drawing of the electromagnetic solenoid.
[0033] Markings in the drawing and corresponding component names:
[0034] 1 - skeleton, 1a - winding groove, 1b - slot, 2 - terminal sheet, 2a - first insertion strip section, 2b - extrusion contact section, 2c - welding section, 2d - curved cantilever section, 3a - coil, 3b - lead-out wire, 4 - elastic sheet, 4a - second contact, 4b - elastic arm, 4c - horizontal support plate section, 4d - welding surface, 4e - first contact, 4f - second insertion strip section, 5 - fixed support, 5a - support surface. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further explained in detail below by combining with examples and drawings, and the illustrative embodiment of the utility model and its explanation are only used to explain the utility model, and not as the limitation of the utility model.
[0036] Example:
[0037] The embodiment provides a kind of elastic sheet transition conductive electromagnetic solenoid, as shown in Figure, including: Figures 1-7
[0038] Skeleton 1 and coil 3a wound on the skeleton 1;
[0039] Elastic sheet 4, the elastic sheet 4 is fixed to one end of the skeleton 1, and the elastic sheet 4 is partially connected with the terminal sheet 2 on the skeleton 1;The elastic arm 4b is provided on the top of the elastic sheet 4, the elastic arm 4b includes two elastic plates distributed and connected upwards and downwards, the included angle between the two elastic plates is variable under the action of elastic force;Second contact 4a is provided on the free end of the upper elastic plate, and the free end of the elastic plate is inclinedly arranged in the direction gradually away from the skeleton 1;
[0040] Fixed support 5, the fixed support 5 is fixed to one end of the skeleton 1, and the fixed support 5 is provided with through slot, and the terminal sheet 2 and the elastic sheet 4 are located in the through slot;
[0041] The elastic arm 4b partially extends out of the through slot.
[0042] In the prior art electromagnetic solenoid, only the terminal 2 is provided, and in order to realize electrical connection with external equipment, plastic packaging is needed to be performed on the electromagnetic solenoid through a mold, which not only increases the production process, but also increases the production cost, and the electromagnetic solenoid adopting elastic sheet 4 transition conduction is provided, the elastic sheet 4 is additionally provided, the plastic packaging link and the plastic packaging material can be reduced, and when the external equipment is connected, the fixed support 5 can be directly buckled on the electrical connection surface of the external equipment.
[0043] In the specific scheme, the skeleton 1 is provided with a winding groove in the middle part for the coil 3a to be wound flat, the terminal 2 and the elastic sheet 4 are fixed in the same end platform of the skeleton 1 and are arranged adjacent to each other, the terminal 2 is used for welding with the lead wire 3b of the coil 3a, i.e. the enameled wire, the elastic sheet 4 is connected with the terminal 2 and is used as a transfer connecting piece for electrical connection with external equipment, one end of the skeleton 1 is provided with a fixed structure, and the fixed support 5 is fixedly connected to the fixed structure, at this time, the elastic sheet 4 and the terminal 2 are located in the through slot of the fixed support 5, so as to protect the elastic sheet 4 and the terminal 2, the elastic arm 4b is made of a metal material with elasticity, the elastic arm 4b includes two connected elastic plates, one end of the lower elastic plate is connected to the horizontal support plate segment 4c through an arc-shaped plate, the other end of the lower elastic plate is connected to the upper elastic plate through another arc-shaped plate, and the elastic arm 4b is similar to S-shaped, the upper elastic plate is inclined and provided with a second contact 4a, the elastic arm 4b locally extends out of the opening of the through slot, so that the fixed support 5 can be directly buckled on the electrical connection surface of the external equipment, and the two can be fixed through an additional fixing piece, after being fixed, the elastic force of the elastic arm 4b can always ensure that the second contact 4a abuts against the external equipment, and reliable connection is realized. Through the above scheme, i.e. the additional provision of the elastic sheet 4, plastic packaging through a mold is not needed, the reliability is high, the client can reduce the plug, and the cost is reduced.
[0044] In this embodiment, since virtual welding and missed welding are the most important reasons for the failure of electromagnetic solenoid circuit breakage, in order to avoid the electromagnetic solenoid caused by the circuit breakage failure which may cause serious consequences of automobile and other machinery, the first contact 4e and the welding surface 4d are provided on the spring sheet 4, the spring sheet 4 is partially extruded and contacted through the first contact 4e and the lug piece 2, and is partially welded and connected through the welding surface 4d and the lug piece 2. In this scheme, when the lug piece 2 and the spring sheet 4 are inserted into the framework 1, the first contact 4e of the spring sheet 4 extrudes the lug piece 2, and is connected in conduction through extrusion contact. This connection mode has the characteristics of good stability, convenient process, and low cost. In addition, the lug piece 2 and the spring sheet 4 are welded and connected in conduction, which makes the structure of the lug piece 2 avoid the risk of virtual welding and missed welding in the process without increasing the cost. In long-term use, it can ensure that the lug piece 2 will not cause electrical circuit breakage risk, thereby ensuring the reliability and service life of the electromagnetic solenoid.
[0045] In this embodiment, in order to facilitate welding, the lower part of the spring sheet 4 includes a vertical plate section, the welding surface 4d and the first contact 4e are located on the same side of the vertical plate section, and the first contact 4e is located below the welding surface 4d. That is, the welding surface 4d is arranged above the first contact 4e, which facilitates the welding operation space.
[0046] In this embodiment, in order to facilitate the connection of the spring sheet 4 and the lug piece 2 during installation, the spring sheet 4 is sequentially provided with a vertical plate section, a horizontal support plate section 4c and an elastic arm 4b from bottom to top, the upper end of the vertical plate section is connected with the horizontal support plate section 4c and extends towards the lug piece 2. In this scheme, the spring sheet 4 includes a vertical plate section, a horizontal support plate section 4c and an elastic arm 4b from bottom to top. The horizontal support section serves as an intermediate support part for connecting the lower vertical plate section and the upper elastic arm 4b respectively; wherein the vertical plate section extends towards the lug piece 2 as a whole, so that the vertical plate section is closer to the lug piece 2, and the first contact 4e and the welding surface 4d on the vertical plate section can be connected with the lug piece 2.
[0047] In this embodiment, in order to support the spring sheet 4, the through slot further has a support surface 5a, and the support surface 5a is used to support the horizontal support plate section 4c. Wherein, the support surface 5a is arranged staggered with the bottom insertion slot 1b, and the vertical plate section extends towards the lug piece 2 as a whole. In this way, when the spring sheet 4 is inserted into the through slot as a whole, the vertical plate section can avoid the support surface 5a, so as to be inserted into the insertion slot 1b; and the horizontal support section thereon directly sits on the support surface 5a, realizing stable placement of the spring sheet 4, and avoiding deformation of the entire spring sheet 4 caused by the large elastic force of the elastic arm 4b when connected with external equipment.
[0048] In the embodiment, the two connecting pieces 2 and the two elastic pieces 4 are symmetrically arranged on the framework 1.
[0049] In the embodiment, as a specific structure of the connecting piece 2, the two connecting pieces 2 are provided with extrusion contact sections 2b and welding sections 2c successively extending outward from the lower part to the upper part of the side walls of the two connecting pieces 2, and the first contact 4e is used for extrusion contact with the extrusion contact section 2b; and the welding surface 4d is used for welding with the welding section 2c.
[0050] In the embodiment, in order to avoid the elastic piece 4 when the elastic piece 4 is inserted, the connecting piece 2 is made of soft metal material; and the welding section 2c can be bent towards the side of the connecting piece 2. In the scheme, the material of the connecting piece 2 is deformable, such as brass or other metal. When the elastic piece 4 is inserted, the welding section 2c is bent away from the elastic piece 4. In this way, space is left for the elastic piece 4 to move downward. In this process, the first contact 4e gradually applies extrusion force to the extrusion contact section 2b, thereby realizing reliable contact. When the elastic piece 4 is moved to the position, the welding section 2c is reset in the reverse direction, so that the welding surface 4d is close to the elastic piece 4. In this way, the welding connection is realized.
[0051] In the embodiment, in order to realize reliable connection of the enameled wire, the two connecting pieces 2 are further provided with curved cantilever sections 2d on the side walls of the two connecting pieces 2, the curved cantilever sections 2d are located above the welding sections 2c, and the two curved cantilever sections 2d are bent towards each other. In the scheme, the two curved cantilever sections 2d are bent towards each other, and the two lead-out wires 3b of the coil 3a are welded to the inner sides of the two curved cantilever sections 2d, respectively. After welding is completed, the two curved cantilever sections 2d are deformed by being extruded towards each other due to the deformability of the curved cantilever sections 2d, so that the two lead-out wires 3b are clamped and fixed inside, thereby improving the reliability of the connection.
[0052] In the embodiment, in order to realize quick connection of the connecting piece 2 and the elastic piece 4, the bottom of the connecting piece 2 and the bottom of the elastic piece 4 are provided with insertion strip sections, one end of the framework 1 is provided with an insertion slot 1b for insertion of the insertion strip sections, the two sides of the insertion strip section are serrated, and the insertion slot 1b can be deformed under the insertion of the insertion strip section. In the scheme, the insertion slot 1b can be made of plastic or other material with good flexibility. When the insertion strip section is inserted into the insertion slot 1b, the insertion slot 1b can be slightly expanded and deformed to form extrusion. The two sides of the insertion strip section are serrated, and the serrations are preferably inverted teeth. In this way, the insertion strip section is easy to insert, and at the same time, reliable connection is formed to avoid free sliding out and achieve the effect of anti-skid.
[0053] Working principle:
[0054] During the installation process, first, the coil 3a is wound in the winding groove of the skeleton 1, and the fixed support 5 is installed at one end of the skeleton 1; at this time, the two lead-out wires 3b of the coil 3a are located in the through slot of the fixed support 5; then two connecting pieces 2 are inserted into the through slot, so that the connecting pieces 2 are fixed by being inserted into the insertion slot 1b at one end of the skeleton 1; at this time, the welding sections 2c on the two connecting pieces 2 are bent towards one side to avoid the elastic sheet 4 when the elastic sheet 4 is inserted; and the two lead-out wires 3b are welded inside the curved cantilever sections 2d of the two connecting pieces 2, respectively; after the welding is completed, the two curved cantilever sections 2d are pressed and deformed towards each other, so that the two lead-out wires 3b can be clamped and fixed inside;
[0055] Then two elastic sheets 4 are inserted into the through slot, the vertical plate section of the elastic sheet 4 is located at one side of the connecting piece 2, and during the downward insertion process, the first contact point 4e on the vertical plate section gradually applies a pressing force to the pressing contact section 2b, so as to realize reliable contact; after the elastic sheet 4 is inserted into the insertion slot 1b and the horizontal support section is placed on the support surface 5a, the welding section 2c can be reset in the opposite direction, so as to be close to the welding surface 4d of the elastic sheet 4, and then the welding connection can be realized. At this time, the elastic arm 4b partially protrudes from the opening of the through slot, so that the fixed support 5 can be directly buckled on the electrical connection surface of the external device, and the fixation of the two can be realized through an additional fixing member. After the fixation, the elastic force of the elastic arm 4b can always ensure that the second contact point 4a abuts against the external device, so as to realize reliable connection; that is, the additional elastic sheet 4 is provided, the plastic packaging through the mold is not needed, the reliability is high, the client can reduce the plug, and the cost is reduced.
[0056] The above specific embodiments further specifically describe the purpose, technical scheme and advantages of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An electromagnetic solenoid employing a spring transition for conducting electricity, characterized by, It comprises: a skeleton (1) and a coil (3a) wound on the skeleton (1); a spring sheet (4) fixed to one end of the skeleton (1), and the spring sheet (4) is partially connected with the terminal sheet (2) on the skeleton (1); the spring sheet (4) is provided with an elastic arm (4b) on the top, the elastic arm (4b) comprises two elastic plates distributed upward and downward and connected with each other, the two elastic plates have an included angle therebetween, and the included angle is variable under the elastic force; the upper elastic plate is provided with a second contact (4a) on the free end, and the free end of the elastic plate is arranged in a direction gradually away from the skeleton (1); a fixed support (5) fixed to one end of the skeleton (1), and the fixed support (5) is provided with a through slot, and the terminal sheet (2) and the spring sheet (4) are located in the through slot; the elastic arm (4b) partially extends out of the through slot.
2. An electromagnetic solenoid employing a spring transition for conducting electricity as claimed in claim 1, wherein, the spring sheet (4) is provided with a first contact (4e) and a welding surface (4d), the spring sheet (4) is partially in extrusion contact with the terminal sheet (2) through the first contact (4e), and is partially welded and connected with the terminal sheet (2) through the welding surface (4d).
3. An electromagnetic solenoid employing a spring transition for conducting electricity as claimed in claim 2, wherein, the lower part of the spring sheet (4) comprises a vertical plate section, the welding surface (4d) and the first contact (4e) are located on the same side of the vertical plate section, and the first contact (4e) is located below the welding surface (4d).
4. An electromagnetic solenoid employing a spring transition for conducting electricity as claimed in claim 3, wherein, the spring sheet (4) is sequentially provided with a vertical plate section, a horizontal support plate section (4c) and an elastic arm (4b) from bottom to top, the upper end of the vertical plate section is connected with the horizontal support plate section (4c) and extends toward the terminal sheet (2).
5. An electromagnetic solenoid employing a spring transition for conducting electricity as claimed in claim 4, wherein, the through slot is also provided with a support surface (5a) for supporting the horizontal support plate section (4c).
6. An electromagnetic solenoid employing a spring transition for conducting electricity as defined in claim 2, wherein, the terminal sheet (2) and the spring sheet (4) are both two, and the two terminal sheets (2) and the two spring sheets (4) are symmetrically arranged on the skeleton (1).
7. An electromagnetic solenoid employing a spring transition for conducting electricity as defined in claim 6, wherein, the side walls of the two terminal sheets (2) away from each other are sequentially and outwardly extended with an extrusion contact section (2b) and a welding section (2c) from bottom to top, the first contact (4e) is used for extrusion contact with the extrusion contact section (2b); the welding surface (4d) is used for welding with the welding section (2c).
8. An electromagnetic solenoid employing a spring transition for conducting electricity as defined in claim 7, wherein, the terminal sheet (2) is made of soft metal material; the welding section (2c) can be bent toward the side direction of the terminal sheet (2).
9. An electromagnetic solenoid employing a spring transition for conducting electricity as defined in claim 8, wherein, the side walls of the two terminal sheets (2) away from each other are also provided with a curved cantilever section (2d), the curved cantilever section (2d) is located above the welding section (2c), and the two curved cantilever sections (2d) are bent toward each other.
10. An electromagnetic solenoid employing a spring transition for conducting electricity as defined in claim 1, wherein, the bottom of the terminal sheet (2) and the spring sheet (4) is provided with an insertion strip section, one end of the skeleton (1) is provided with an insertion slot (1b) for inserting the insertion strip section, the two sides of the insertion strip section are serrated, and the insertion slot (1b) can be deformed under the insertion of the insertion strip section.