Electromagnetic relay assembly pressing tool

Abstract

The application discloses a pressing tool for assembling an electromagnetic relay, characterized in that the tool comprises a base, the base is provided with a positioning cavity matched with a magnetic circuit of the electromagnetic relay and a pressing mechanism for pressing and fixing a spring leaf matched with the magnetic circuit on the magnetic circuit; the magnetic circuit is positioned and installed in the positioning cavity, the spring leaf is matched and placed on a corresponding assembly position of the magnetic circuit, and the pressing mechanism is used for pressing the spring leaf to realize the pressing and fixing between the spring leaf and the magnetic circuit. The tool has the advantages of simple structure, stable pressing and fixing between the magnetic circuit and the spring leaf before riveting and pressing in the process of assembling the electromagnetic relay, stable positioning of the magnetic circuit through the positioning cavity, stable pressing and installation of the spring leaf on the magnetic circuit through the pressing mechanism, reduced labor cost and improved assembly efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of tooling, in particular to a kind of electromagnetic relay assembly is pressed into tooling. BACKGROUND

[0002] At present, the assembly of magnetic circuit and reed in electromagnetic relay mainly relies on manual assembly, manually holds magnetic circuit and reed to manually combine, and then is placed on riveting and pressing table to rivet and press assembly of both. This riveting assembly operation by manual pressing, high labor cost, assembly efficiency is also relatively low, and the requirement to operator is also relatively high, very skilled operator can realize qualified assembly between two parts, otherwise it is easy to cause the lack of product stability. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an electromagnetic relay assembly pressing tool with simple structure, which can effectively reduce cost and improve assembly efficiency.

[0004] The technical scheme adopted by the present application to solve the above technical problem is:

[0005] An electromagnetic relay assembly pressing tool, comprising a base, wherein the base is provided with a positioning cavity matched with a magnetic circuit of the electromagnetic relay and a pressing mechanism for pressing and fixing a reed matched with the magnetic circuit on the magnetic circuit; the magnetic circuit is positioned in the positioning cavity, the reed is placed in a corresponding assembly position of the magnetic circuit, and the pressing mechanism is arranged on the reed to realize the pressing and fixing between the reed and the magnetic circuit.

[0006] The front upper end of the base is recessed downward to form the positioning cavity. The space of the base is reasonably utilized.

[0007] The pressing mechanism comprises a pressing block, the rear part of the base is recessed forward to provide an installation groove penetrating upward and downward for the pressing block to extend into and be installed, the installation groove is arranged opposite to the rear of the positioning cavity, the pressing block is reversibly installed in the installation groove, the upper end of the pressing block extends out of the installation groove, the upper end of the pressing block is bent forward to form a bent transition part, the front end of the bent transition part is bent downward to form a pressing part, in the pressing state, the pressing block is reversibly turned forward, the pressing part is arranged on the reed to realize the pressing and fixing between the reed and the magnetic circuit, and the base is provided with a locking mechanism for locking the pressing state of the pressing block. The above-mentioned pressing mechanism has simple structure and is convenient to operate and use.

[0008] The mounting groove separates the rear part of the base into left and right mounting base blocks, the rear part of the pressing block is provided with a locking protrusion, the locking mechanism comprises a locking block, the right mounting base block is provided with a locking slot downward, the locking slot is through and communicates with the mounting groove, the locking block is movably arranged in the locking slot, the left side of the locking block is provided with a locking protrusion, the right side of the locking slot is provided with a support baffle, the locking block is located on the left side of the support baffle, and the left side of the support baffle and the right side of the locking block are provided with an elastic support mechanism; in the pressing state, the pressing block is turned over forwardly, the pressing part is arranged on the reed to realize the pressing and fixing between the reed and the magnetic circuit, the elastic support mechanism provides a supporting force, the locking protrusion is inserted into the mounting groove, the left side of the locking block is arranged on the right side of the locking protrusion, and the top of the locking protrusion is arranged on the lower end surface of the locking protrusion to provide a locking support force for the pressing block and realize the locking of the pressing state of the pressing block. The locking mechanism has the advantages of simple structure, convenient operation and stable locking.

[0009] The upper end surface of the locking block is provided with a pulling block upwardly, and the pulling block extends out of the locking slot. The pulling block can drive the locking block to move leftward and rightward in the locking slot, and the operation is convenient.

[0010] A guide rod is arranged in the locking slot from front to back, the locking block is provided with a waist-shaped guide slot penetrating front to back, and the guide rod is arranged in the waist-shaped guide slot.

[0011] The elastic support mechanism is a supporting spring, the right side of the locking block is provided with a positioning blind hole matched with the supporting spring, the left end of the supporting spring is arranged in the positioning blind hole, and the right end of the supporting spring extends out of the positioning blind hole and is arranged on the left side of the support baffle. The elastic support mechanism is a supporting spring, the supporting is stable, the cost is low, and the positioning blind hole provides stable installation and positioning for the supporting spring.

[0012] The right mounting base block is provided with a mounting slot for the support baffle to extend into and be arranged from front to back. The locking block is convenient to assemble.

[0013] The top end surface of the locking protrusion is an arc-shaped end surface; in the locking state, the top of the arc-shaped end surface is arranged on the lower end surface of the locking protrusion. The stable locking and the rapid release of the locking state are ensured.

[0014] The left mounting base is provided with a left mounting hole penetrating left and right, the right mounting base is provided with a right mounting hole penetrating left and right, the lower part of the pressing block is provided with a rotating mounting hole penetrating left and right, the left mounting hole, the right mounting hole and the rotating mounting hole are coaxially arranged, the right end of a rotating mounting shaft is sequentially inserted into the left mounting hole and the rotating mounting hole and then into the right mounting hole to realize the mounting of the pressing block in the mounting groove, and the rotating mounting hole and the rotating mounting shaft are rotatably connected.

[0015] The front end surface of the pressing block and the front inner end surface of the mounting groove are provided with a release spring; in the pressing locking state, the release spring is in the compressed state, when the locking effect of the locking mechanism on the pressing block is released, the upper end of the pressing block is quickly flipped backward through the release spring, and the pressing of the pressing part on the reed is released. The above structure realizes that the pressing block can quickly release the pressing effect on the reed after the locking is released.

[0016] The front end surface of the pressing block and the front inner end surface of the mounting groove are provided with a release positioning groove for mounting the release spring, and the two ends of the release spring are arranged in the two release positioning grooves. The above structure realizes stable mounting of the release spring.

[0017] Compared with the prior art, the present application has the advantages that the structure is simple, the tooling can effectively realize stable pressing and fixing of the magnetic circuit of the electromagnetic relay and the corresponding connected reed before riveting and pressing in the assembly process of the electromagnetic relay, the stable positioning of the magnetic circuit is realized through the positioning cavity, the reed can be stably and tightly mounted on the magnetic circuit through the pressing mechanism, the labor cost is effectively reduced, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application in the released state;

[0019] Figure 2 It is a schematic diagram of the first cross-sectional structure of the present application in the released state;

[0020] Figure 3 It is a schematic diagram of the second cross-sectional structure of the present application in the released state;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the base in the present application;

[0022] Figure 5It is a three-dimensional structure schematic diagram of the base matched with the locking mechanism in the application;

[0023] Figure 6 It is a three-dimensional structure schematic diagram of the base matched with the locking mechanism in the application;

[0024] Figure 7 It is a first cross-sectional structure schematic diagram of the base in the application;

[0025] Figure 8 It is a second cross-sectional structure schematic diagram of the base in the application;

[0026] Figure 9 It is a structure schematic diagram of the pressing block in the application. DETAILED DESCRIPTION

[0027] The application will be described in further detail below with reference to the accompanying drawings.

[0028] As shown in the drawings, a pressing tool for assembling electromagnetic relay, comprising a base 1, the base 1 is provided with a positioning cavity 11 matched with a magnetic circuit A of the electromagnetic relay and a pressing mechanism for realizing the pressing and fixing of a reed B matched with the magnetic circuit A on the magnetic circuit A; the magnetic circuit A is positioned and installed in the positioning cavity 11, the reed B is matched and placed on the corresponding assembling position of the magnetic circuit A, and the pressing and fixing between the reed B and the magnetic circuit A is realized by the pressing mechanism.

[0029] In this embodiment, the front upper end of the base 1 is concave downward to form the positioning cavity 11. The space of the base 1 is reasonably utilized.

[0030] In this embodiment, the pressing mechanism comprises a pressing block 2, the rear part of the base 1 is concave forward to be provided with an upper and lower through installation groove 12 for the pressing block 2 to extend into and install, the installation groove 12 is arranged opposite to the rear of the positioning cavity 11, the pressing block 2 is reversibly installed in the installation groove 12, the upper end of the pressing block 2 extends out of the installation groove 12 upward, the upper end of the pressing block 2 is bent forward to form a bent transition part 21, the front end of the bent transition part 21 is bent downward to form a pressing part 22, in the pressing state, the pressing block 2 is reversely turned forward, the pressing part 22 is arranged on the reed B to realize the pressing and fixing between the reed B and the magnetic circuit A, and the base 1 is provided with a locking mechanism for locking the pressing state of the pressing block 2. The above-mentioned pressing mechanism is simple in structure and convenient to operate and use.

[0031] In this specific embodiment, the mounting groove 12 separates the rear part of the base 1 into the left mounting base block 101 and the right mounting base block 102, the rear part of the pressing block 2 is provided with a locking protrusion 23, the locking mechanism includes a locking block 3, the right mounting base block 102 is provided with a locking slot 13, the locking slot 13 is through and communicates with the mounting groove 12, the locking block 3 is movably arranged in the locking slot 13, the left side of the locking block 3 is provided with a locking protrusion 31, the right side of the locking slot 13 is provided with a support baffle 4, the locking block 3 is located on the left side of the support baffle 4, and the elastic support mechanism is arranged between the left side end surface of the support baffle 4 and the right side end surface of the locking block 3; in the pressing state, the pressing block 2 is flipped forward, the pressing part 22 is arranged on the reed B to realize the pressing and fixing between the reed B and the magnetic circuit A, the elastic support mechanism provides a supporting force, the locking protrusion 31 extends into the mounting groove 12, the left side end surface of the locking block 3 abuts against the right side end surface of the locking protrusion 23, and the top of the locking protrusion 31 abuts against the lower end surface of the locking protrusion 23 to provide a locking support force for the pressing block 2, thereby realizing the locking of the pressing state of the pressing block 2. The above locking mechanism has the advantages of simple structure, convenient operation, stable locking and the like.

[0032] In this specific embodiment, the upper end surface of the locking block 3 is provided with a pulling block 32, and the pulling block 32 extends out of the locking slot 13. The pulling block 32 can drive the locking block 3 to move leftward and rightward in the locking slot 13, and the operation is convenient.

[0033] In this specific embodiment, the locking slot 13 is provided with a guide rod 5 from front to back, the locking block 3 is provided with a waist-shaped guide slot 33 penetrating through front and back, and the guide rod 5 is arranged in the waist-shaped guide slot 33.

[0034] In this specific embodiment, the elastic support mechanism is a support spring 6, the right side end surface of the locking block 3 is provided with a positioning blind hole 34 matched with the support spring 6, the left end of the support spring 6 extends into the positioning blind hole 34, and the right end of the support spring 6 extends out of the positioning blind hole 34 and abuts against the left side end surface of the support baffle 4. The elastic support mechanism selects the support spring 6, the support is stable, the cost is low, and the positioning blind hole 34 provides stable installation and positioning for the support spring 6.

[0035] In this specific embodiment, the right mounting base block 102 is provided with a mounting slot 14 from front to back, and the support baffle 4 extends into the mounting slot 14. The mounting slot 14 facilitates the assembly of the locking block 3.

[0036] In this specific embodiment, the top end surface 311 of the locking protrusion 31 is an arc-shaped end surface; in the locking state, the top of the arc-shaped end surface abuts against the lower end surface of the locking protrusion 23. The arc-shaped end surface ensures stable locking and rapid release of the locking state.

[0037] In this embodiment, the left mounting base 101 is provided with a left mounting hole 15 extending through left and right, the right mounting base 102 is provided with a right mounting hole 16 extending through left and right, the lower part of the compression block 2 is provided with a rotating mounting hole 24 extending through left and right, the left mounting hole 15, the right mounting hole 16 and the rotating mounting hole 24 are coaxially arranged, a rotating mounting shaft 7 extends through the left mounting hole 15 and the rotating mounting hole 24 in sequence and is arranged in the right mounting hole 16 to realize the mounting of the compression block 2 in the mounting groove 12, and the rotating mounting hole 24 and the rotating mounting shaft 7 are rotatably connected.

[0038] In this embodiment, the front end surface of the compression block 2 and the front inner end surface of the mounting groove 12 are provided with a release spring 8; in the compression locking state, the release spring 8 is in the compressed state, when the locking effect of the compression block 2 by the locking mechanism is released, the upper end of the compression block 2 is quickly turned back by the release spring 8, and the compression of the spring piece B by the compression part 22 is released. The above structure realizes that after the locking is released, the compression block 2 can quickly release the compression effect on the spring piece B.

[0039] In this embodiment, the front end surface of the compression block 2 and the front inner end surface of the mounting groove 12 are provided with a release positioning groove 81 for the release spring 8 to extend into the mounting, and the two ends of the release spring 8 are arranged in the two release positioning grooves 81 respectively. The above structure realizes the stable mounting of the release spring 8.

[0040] Specific working principle is: initial state, the compression block 2 is under the support of release spring 8 in the release state of backward overturning, at this time the left side end surface of lock position convex part 31 is supported on the right side end surface of lock position convex block 23, support spring 6 is in the state of being compressed, when needed, first, the magnetic circuit A of electromagnetic relay is placed in the positioning cavity 11 matched with it, the surface used for assembling with reed B on magnetic circuit A faces up, then reed B is placed on magnetic circuit A, the upper end of compression block 2 is turned forward, the compression part 22 is pressed on reed B to realize the compression fixing between reed B and magnetic circuit A, at this time, the release spring 8 is in the state of being compressed, and the locking effect of lock position convex block 23 on lock position convex part 31 disappears, the compressed support spring 6 releases and pushes the lock block 3 to move left, drives lock position convex part 31 into the installation groove 12, makes the top of lock position convex part 31 abut against the lower end surface of lock position convex block 23, the left side end surface of lock block 3 abuts against the right side end surface of lock position convex block 23, realizes the locking of the locking state of compression block 2, at this time, the riveting assembly operation of reed B and magnetic circuit A can be carried out, after riveting assembly is completed, only need to apply a rightward driving force to the driving block 32, drive lock block 3 to move right, make lock position convex part 31 separate from installation groove 12, release the locking effect of abutting against lock position convex block 23, at this time, the release spring 8 is compressed and released, drive the upper end of compression block 2 to turn back quickly, release the compression effect.

Claims

1. A clamping fixture for assembling an electromagnetic relay, characterized in that... The base is provided with a positioning cavity matched with the magnetic circuit of the electromagnetic relay and a pressing mechanism for pressing and fixing the contact spring matched with the magnetic circuit on the magnetic circuit; the magnetic circuit is positioned in the positioning cavity, the contact spring is matched and placed on the corresponding assembly position of the magnetic circuit, and the pressing mechanism is used to press the contact spring to realize the pressing and fixing between the contact spring and the magnetic circuit; The front upper end of the base is concave to form the positioning cavity; The pressing mechanism includes a pressing block, the rear part of the base is concave to form an installation groove through from top to bottom for the pressing block to extend into and install, the installation groove is opposite to the rear of the positioning cavity, the pressing block is reversibly installed in the installation groove, the upper end of the pressing block extends out of the installation groove, the upper end of the pressing block is bent forward to form a bent transition part, the front end of the bent transition part is bent downward to form a pressing part, in the pressing state, the pressing block is reversely turned forward to press the contact spring to realize the pressing and fixing between the contact spring and the magnetic circuit, the base is provided with a locking mechanism for locking the pressing state of the pressing block; The installation groove separates the rear part of the base into left and right installation base blocks, the rear part of the pressing block is provided with a locking block, the right installation base block is concave downward to form a locking groove, the locking groove is through from left to right and communicates with the installation groove, the locking block is movably arranged in the locking groove, the left side of the locking block is provided with a locking convex part, the right side of the locking groove is provided with a support baffle, the locking block is located on the left side of the support baffle, the elastic support mechanism is arranged between the left side of the support baffle and the right side of the locking block; in the pressing state, the pressing block is reversely turned forward, the pressing part is pressed on the contact spring to realize the pressing and fixing between the contact spring and the magnetic circuit, the elastic support mechanism provides support force to make the locking convex part extend into the installation groove, the left side of the locking block abuts against the right side of the locking block, and the top of the locking convex part abuts against the lower end of the locking block to provide locking support force for the pressing block to realize the locking of the pressing state of the pressing block; The upper end of the locking block is provided with a pushing block, and the pushing block extends out of the locking groove; The locking groove is provided with a guide rod from front to back, and the locking block is provided with a waist-shaped guide groove through from front to back, and the guide rod extends through the waist-shaped guide groove.

2. The pressing tool for assembling an electromagnetic relay according to claim 1, wherein The elastic supporting mechanism is a supporting spring, a positioning blind hole matched with the supporting spring is arranged on the right end surface of the locking block, the left end of the supporting spring extends into the positioning blind hole, and the right end of the supporting spring extends out of the positioning blind hole and abuts against the left end surface of the supporting baffle.

3. The pressing tool for assembling an electromagnetic relay according to claim 1, wherein The top end surface of the locking convex part is an arc-shaped end surface; in the locking state, the top of the arc-shaped end surface abuts against the lower end surface of the locking convex block.

4. The pressing tool for assembling an electromagnetic relay according to claim 1, wherein The left mounting base block is provided with a left mounting hole penetrating through left and right sides, the right mounting base block is provided with a right mounting hole penetrating through left and right sides, the lower part of the pressing block is provided with a rotating mounting hole penetrating through left and right sides, the left mounting hole, the right mounting hole and the rotating mounting hole are coaxially arranged, the right end head of a rotating mounting shaft sequentially penetrates through the left mounting hole and the rotating mounting hole and extends into the right mounting hole to realize mounting of the pressing block in the mounting groove, and the rotating mounting hole and the rotating mounting shaft are rotatably connected.

5. The electromagnetic relay assembly pressing tool according to claim 1, wherein The front end surface of the pressing block and the front inner end surface of the mounting groove are provided with a release spring; in the pressing locking state, the release spring is in a compressed state, when the locking action of the locking mechanism on the pressing block is released, the upper end of the pressing block is quickly flipped backward through the release spring, and the pressing part releases the pressing on the reed.

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