CN215342445U

CN215342445U - Electromagnetic switch convenient to equipment

Info

Publication number: CN215342445U
Application number: CN202121409090.1U
Authority: CN
Inventors: 张庆林; 高玉龙
Original assignee: Beijing Chongdian Electric Ltd corp
Current assignee: Beijing Chongdian Electric Ltd corp
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-28
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of electromagnetic switches, in particular to an electromagnetic switch convenient to assemble. The application solves the problem that the electromagnetic switch is not easy to assemble and form.

Description

Electromagnetic switch convenient to equipment

Technical Field

The utility model relates to the technical field of electromagnetic switches, in particular to an electromagnetic switch convenient to assemble.

Background

Electromagnetic switches are widely used in various industries, particularly in industrial contactors.

The existing electromagnetic switch comprises a coil, an iron core and a shell, wherein an opening is formed in the side face of the shell, the coil is placed into the shell from the opening, the coil is fixed in the shell by using glue, and the iron core penetrates into the coil.

The technical scheme has the following defects: when the coil is installed, the coil is not easy to be accurately installed at a preset position, and if glue is used when the coil is not accurately installed, the position of the coil cannot be adjusted, so that waste products are generated.

SUMMERY OF THE UTILITY MODEL

In order to make the electromagnetic switch easy to assemble and form, the application provides an electromagnetic switch convenient to assemble.

The application provides an electromagnetic switch convenient to equipment adopts following technical scheme: the utility model provides an electromagnetic switch convenient to equipment, includes shell, coil and iron core, the shell is rectangle form frame construction, the inside rigid coupling of shell is equipped with and is used for the cover to establish the sleeve pipe of coil, the iron core slides and wears to establish in the sleeve pipe, the shell includes the detachable bottom plate.

By adopting the technical scheme, the coil is fixedly arranged in the shell in a penetrating way by the sleeve on the shell, and compared with the mode of fixing the coil by using glue, the technical scheme is convenient for quick positioning and fixing of the coil; the detachable bottom plate on the shell is convenient for the coil to be sleeved on the sleeve.

Optionally, the iron core includes cylindric iron core body and connecting rod that coaxial coupling is in the same place, the iron core body runs through the shell, the iron core body free end is located the shell outside.

Through adopting above-mentioned technical scheme, produce electromagnetic attraction after the coil circular telegram, make the iron core body activity then the switch of control circuit.

Optionally, the diameter of the iron core body is larger than that of the connecting rod, a compression spring is sleeved on the connecting rod, one end of the compression spring abuts against the iron core body, and the other end of the compression spring abuts against the inner wall of the shell.

By adopting the technical scheme, after the coil in the power-on state is powered off, the compression spring pushes the iron core to reset.

Optionally, the free end of the connecting rod penetrates through the bottom plate and is located outside the shell, a nut is installed on the free end of the connecting rod in a matched mode, and the nut is abutted to the bottom plate.

Through adopting above-mentioned technical scheme, the nut butt is on the bottom plate outer wall, carries on spacingly to the iron core, and balanced compression spring makes the iron core be in the cover intraductal all the time to the effort of iron core.

Optionally, the connecting rod is embedded into the iron core body along an axial direction thereof through a circular groove formed in the iron core body.

Through adopting above-mentioned technical scheme, the iron core body stretches out the adjustable length of shell to be applicable to different service condition.

Optionally, a positioning jackscrew penetrates through the iron core body, and one end of the positioning jackscrew abuts against the connecting rod.

Through adopting above-mentioned technical scheme, when iron core body adjusted preset the position, the location jackscrew fastens iron core body on the connecting rod.

Optionally, a protrusion is fixedly connected to the bottom plate, and a groove matched with the protrusion is formed in a contact portion of the shell and the bottom plate.

Through adopting above-mentioned technical scheme, the recess cooperation on lug and the bottom plate main part on the shell realizes the bottom plate and can dismantle on the shell main part and be connected.

Optionally, the housing is provided with a plug buckle for fixing the housing, and the plug buckle can be inserted into the mounting panel.

By adopting the technical scheme, the shell is pre-fixed by the inserting buckle, and the inserting buckle limits the shell in the vertical direction.

Optionally, a sliding insert is disposed on the housing, and the sliding insert includes an elastic insert for inserting into the mounting panel.

Through adopting above-mentioned technical scheme, the installation panel is vertically inserted to the elasticity inserted sheet, carries on spacingly to the shell in the horizontal direction.

Optionally, a sliding block is fixedly connected to the sliding plug-in component, and a strip-shaped through groove matched with the sliding block is vertically formed in the shell.

Through adopting above-mentioned technical scheme, the slider on the slip plug-in components cooperates with logical groove on the shell, makes the slip plug-in components vertical slip on the shell, and the elasticity inserted sheet of being convenient for inserts or breaks away from the installation panel.

In summary, the present application includes at least one of the following beneficial technical effects: (Effect integration)

1. The casing is fixedly connected in the shell, and the detachable bottom plate is arranged, so that the coil can be quickly positioned and fixed conveniently;

2. the iron core can automatically reset when not under the action of magnetic force and cannot be separated from the sleeve by sleeving the compression spring on the connecting rod and installing the nut on the free end of the connecting rod;

3. through the sliding connection who sets up iron core body and connecting rod, make the iron core body stretch out the adjustable length of shell to be applicable to different service conditions.

Drawings

Fig. 1 is a schematic structural view of an electromagnetic switch that is convenient to assemble in the embodiment of the present application.

Fig. 2 is a cross-sectional view taken along a-a in fig. 1.

Fig. 3 is a schematic view of the structure of the sliding insert of fig. 1.

Description of reference numerals:

1. mounting a box; 11. a top plate; 12. a first side plate; 13. a second side plate; 14. a base plate; 141. a boss; 2. a sleeve; 3. a coil; 4. an iron core; 41. an iron core body; 42. a connecting rod; 43. positioning a jackscrew; 44. a compression spring; 5. a nut; 6. inserting and buckling; 61. connecting blocks; 62. an insertion block; 7. a sliding plug-in; 71. inserting sheets; 72. a slide block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses electromagnetic switch convenient to equipment, as shown in fig. 1, including mounting box 1, coil 3 and iron core 4, coil 3 sets up in mounting box 1, and iron core 4 is coaxial to run through coil 3. After the coil 3 is electrified, electromagnetic attraction is generated, and the movable iron core 4 pushes or pulls the switch contact to be closed, so that a controlled circuit is switched on.

As shown in fig. 1, the mounting box 1 includes a top plate 11, a first side plate 12, a second side plate 13 and a bottom plate 14, wherein the first side plate 12 and the second side plate 13 are parallel to each other and are vertically fixed on the top plate 11; the bottom plate 14 is disposed on an end surface of each of the first side plate 12 and the second side plate 13 away from the top plate 11 and is parallel to the top plate 11, and the top plate 11, the first side plate 12, the second side plate 13, and the bottom plate 14 constitute a frame structure, and the inside of the frame structure is used for accommodating the coil 3. The edge of the bottom plate 14 is provided with a convex block, the end faces of the first side plate 12 and the second side plate 13 far away from the top plate 11 are provided with grooves, and the convex block on the bottom plate 14 is matched with the grooves on the first side plate 12 and the second side plate 13 to realize the detachable connection of the bottom plate 14 and the first side plate 12 and the second side plate 13. The bottom plate 14 is taken down from the first side plate 12 and the second side plate 13, so that the coil 3 can be conveniently installed in the installation box 1 subsequently.

In order to fix the coil 3 in the mounting box 1, as shown in fig. 2, a sleeve 2 is fixedly connected to the mounting box 1, the sleeve 2 is vertically and fixedly connected to the top plate 11 and located inside the mounting box 1, and the coil 3 can be sleeved on the sleeve 2. The bottom plate 14 is buckled, and the coil 3 is fixed in the mounting box 1.

As shown in fig. 2, the core 4 is movable relative to the sleeve 2, the core 4 includes a cylindrical core body 4 and a connecting rod 42 coaxially arranged, and the diameter of the core body 4 is larger than that of the connecting rod 42. The connecting rod 42 is inserted into the iron core body 4, a circular groove for accommodating the connecting rod 42 is formed in the iron core body 4, and the iron core body 4 moves linearly relative to the connecting rod 42; a positioning jackscrew 43 penetrates through the iron core body 4, and one end of the positioning jackscrew 43 is abutted against the connecting rod 42. The positioning jackscrew 43 is unscrewed, the position of the iron core body 4 on the connecting rod 42 is adjusted, and the extension length of the iron core body 4 is changed, so that the iron core is suitable for different working conditions.

As shown in fig. 2, the top plate 11 is provided with a through hole at a position corresponding to the sleeve 2, through which the iron core body 4 passes through the top plate 11; a cylindrical boss 141 is fixedly connected to the center of the bottom plate 14, and the connecting rod 42 can extend out of the casing 2 to the outside of the mounting box 1 through the boss 141 and the circular hole formed in the bottom plate 14. When the bottom plate 14 is snapped back, the protrusions 141 can be inserted into the sleeves 2, so that the bottom plate 14 is snapped on the first side plate 12 and the second side plate 13 more firmly.

As shown in fig. 2, the connecting rod 42 is sleeved with a compression spring 44, one end of the compression spring 44 abuts against the iron core body 4, and the other end abuts against the boss 141. The coil 3 is energized to move the iron core 4 toward the bottom plate 14, and when the coil 3 is de-energized, the compression spring 44 resets the iron core 4.

As shown in fig. 2, a nut 5 is screwed on the free end of the connecting rod 42, the compression spring 44 pushes the iron core 4 to move towards the top plate 11, and the nut 5 is lapped on the outer wall of the bottom plate 14 to limit the iron core 4, so that the iron core 4 cannot move continuously.

In order to facilitate the fixing and dismounting of the electromagnetic switch, as shown in fig. 1, the first side plate 12 and the second side plate 13 are respectively provided with a plurality of inserting buckles 6 on the end surfaces close to the bottom plate 14, each inserting buckle 6 is composed of a connecting block 61 and an inserting block 62 which are perpendicular to each other and fixedly connected together, the connecting block 61 is fixedly connected on the first side plate 12 or the second side plate 13, and the inserting blocks 62 are distributed in the same direction and are parallel to the bottom plate 14. The mounting box 1 is horizontally moved, and the inserting blocks 62 are matched with a horizontal groove formed in the mounting panel to fix the mounting box 1 on the mounting panel.

Further, as shown in fig. 3, a rectangular plate-shaped sliding plug-in 7 arranged vertically is arranged on the mounting box 1, and an elastic insertion sheet 71 used for being vertically inserted onto the mounting panel is fixedly connected to the lower part of the sliding plug-in 7; the side end faces of the sliding plug-in unit 7 are respectively and fixedly connected with a sliding block 72, the edge of the plate faces of the first side plate 12 and the second side plate 13 are respectively provided with a strip-shaped through groove which is matched with the sliding block 72 and is vertically arranged, and the sliding block 72 is matched with the strip-shaped through groove, so that the sliding plug-in unit 7 can vertically move on the first side plate 12 and the second side plate 13. By moving the slide insert 7 downward, the tab 71 will be inserted into the mounting panel. The plug-in buckle 6 and the sliding plug-in 7 jointly act to fix the electromagnetic switch on the installation panel.

The using process of the utility model is as follows:

firstly, the electromagnetic switch is assembled, the bottom plate 14 is taken down, the coil 3 is sleeved on the sleeve 2, and the bottom plate 14 is buckled back. The iron core 4 is sleeved with a compression spring 44, the iron core 4 is moved to pass through the sleeve 2, the free end of the connecting rod 42 passes through the boss 141 and the bottom plate 14 to reach the outside of the mounting box 1, and the nut 5 is mounted on the free end of the connecting rod 42.

After the electromagnetic switch is assembled, the electromagnetic switch is horizontally moved, and the plug buckle 6 is inserted into the installation panel. The slide insert 7 is pulled down and the tab 71 is inserted vertically into the mounting panel.

When the electromagnetic switch needs to be detached from the mounting panel, the sliding plug-in 7 is pulled upwards, the inserting piece 71 is separated from the mounting panel, the electromagnetic switch is horizontally moved, the inserting buckle 6 is separated from the mounting panel, and therefore the electromagnetic switch is detached from the mounting panel.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. An electromagnetic switch convenient to assemble, includes shell, coil (3) and iron core (4), its characterized in that: the shell is rectangular frame structure, the inside rigid coupling of shell is equipped with and is used for the cover to establish sleeve pipe (2) of coil (3), iron core (4) slide and wear to establish in sleeve pipe (2), the shell includes detachable bottom plate (14).

2. The electromagnetic switch of claim 1, wherein: the iron core (4) comprises a cylindrical iron core body (41) and a connecting rod (42) which are coaxially connected together, the iron core body (41) penetrates through the shell, and the free end of the iron core body (41) is located outside the shell.

3. The electromagnetic switch of claim 2, wherein: the diameter of iron core body (41) is greater than the diameter of connecting rod (42), the cover is equipped with compression spring (44) on connecting rod (42), compression spring (44) one end butt is in on iron core body (41), the other end butt is in on the shell inner wall.

4. The electromagnetic switch of claim 3, wherein: the connecting rod (42) free end runs through bottom plate (14) are located the shell is outside, cooperation is installed on connecting rod (42) free end nut (5), nut (5) with bottom plate (14) butt.

5. The electromagnetic switch of claim 4, wherein: the connecting rod (42) is embedded into the iron core body (41) along the axial direction of the connecting rod through a circular groove formed in the iron core body (41).

6. The electromagnetic switch of claim 5, wherein: a positioning jackscrew (43) penetrates through the iron core body (41), and one end of the positioning jackscrew (43) is abutted to the connecting rod (42).

7. The electromagnetic switch of claim 1, wherein: the bottom plate (14) is fixedly connected with a convex block, and a groove matched with the convex block is formed in the contact part of the shell and the bottom plate (14).

8. The electromagnetic switch of claim 1, wherein: the shell is provided with a plug buckle (6) used for fixing the shell, and the plug buckle (6) can be inserted into the mounting panel.

9. The electromagnetic switch of claim 8, wherein: the shell is provided with a sliding insert (7), and the sliding insert (7) comprises an elastic insert sheet (71) inserted on the mounting panel.

10. The electromagnetic switch of claim 9, wherein: the sliding plug-in (7) is fixedly connected with a sliding block (72), and the shell is vertically provided with a strip-shaped through groove matched with the sliding block (72).