阅读说明：本技术 一种辅助开关端子便接式电磁继电器 (Auxiliary switch terminal conveniently-connected electromagnetic relay ) 是由 唐俊平 于 2021-02-07 设计创作，主要内容包括：本发明涉及继电器技术领域,尤其公开了一种辅助开关端子便接式电磁继电器,包括绝缘壳,设置于绝缘壳内的防护盒及电磁铁,相对电磁铁伸缩设置的推杆单元,设置于推杆单元的衔铁、主触板及辅助触板,用于驱动衔铁复位的第一弹性件,设置于防护盒的主端子及辅助端子；辅助端子具有第一开关端子及第二开关端子,开关端子具有本体部、分别设置于本体部两端的接触部及焊接部；绝缘盒具有容置孔及与容置孔连通的锥形孔；在开关端子的安装过程中,借助锥形孔容设的胶水将开关端子快速地固定在防护盒上,提升开关端子的安装效率；借助穿孔容设的焊锡快速焊接焊接部与导线,保证两者稳固导接在一起,提升开关端子的导接良率。(The invention relates to the technical field of relays, and particularly discloses an auxiliary switch terminal conveniently-connected electromagnetic relay which comprises an insulating shell, a protective box and an electromagnet which are arranged in the insulating shell, a push rod unit which is arranged in a telescopic manner relative to the electromagnet, an armature, a main contact plate and an auxiliary contact plate which are arranged on the push rod unit, a first elastic piece for driving the armature to reset, and a main terminal and an auxiliary terminal which are arranged on the protective box; the auxiliary terminal is provided with a first switch terminal and a second switch terminal, and the switch terminal is provided with a body part, a contact part and a welding part which are respectively arranged at two ends of the body part; the insulating box is provided with a containing hole and a conical hole communicated with the containing hole; in the installation process of the switch terminal, the switch terminal is quickly fixed on the protection box by means of glue contained in the tapered hole, so that the installation efficiency of the switch terminal is improved; the soldering tin accommodated in the through hole is used for quickly welding the welding part and the conducting wire, so that the welding part and the conducting wire are ensured to be stably connected together, and the connection yield of the switch terminal is improved.)

1. An auxiliary switch terminal conveniently-connected electromagnetic relay comprises an insulating shell, a protection box and an electromagnet which are arranged in the insulating shell, a push rod unit which is arranged in a telescopic mode relative to the electromagnet, an armature which is arranged at one end of the push rod unit and matched with the electromagnet, a first elastic piece used for driving the armature to drive the push rod unit to reset, a main contact plate and an auxiliary contact plate which are arranged at the other end of the push rod unit, and a main terminal and an auxiliary terminal which are arranged on the protection box, wherein the main contact plate is used for conducting or disconnecting the main terminal, and the auxiliary contact plate is used for conducting or disconnecting the auxiliary terminal; the method is characterized in that: the auxiliary terminal is provided with a first switch terminal and a second switch terminal, the switch terminal is provided with a body part, contact parts and welding parts, the contact parts and the welding parts are respectively arranged at two ends of the body part, the welding part is provided with a through hole for accommodating an external lead, the through hole is used for accommodating soldering tin for welding the welding part and the lead together, and the auxiliary contact plate is used for contacting and conducting the contact parts of the two switch terminals; the insulating box is provided with a containing hole used for containing the switch terminal and a tapered hole communicated with the containing hole, the aperture of one end, far away from the containing hole, of the tapered hole is larger than that of one end, close to the containing hole, of the tapered hole, and the tapered hole is used for containing glue for bonding and fixing the switch terminal and the protection box.

2. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 1, characterized in that: the body part is provided with a sliding hole and a second elastic piece positioned in the sliding hole, the contact part is accommodated in the sliding hole in a sliding manner, and the second elastic piece is used for driving the contact part to reset; the body part is fixed in the tapered hole through glue, and the contact part is arranged in the accommodating hole in a telescopic mode.

3. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 1, characterized in that: the protection box is made of ceramic materials and is provided with a flat plate body and a protruding part arranged on the flat plate body, the protection box is provided with a protection cavity which is concavely arranged in the protruding part from the flat plate body, and the protection cavity is used for accommodating a main touch plate and a main terminal; the containing hole and the tapered hole are arranged on the flat plate body.

4. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 3, characterized in that: the lug boss is provided with two blind grooves which are formed by concavely arranging two sides of the lug boss far away from each other, permanent magnets are arranged in the blind grooves, and the permanent magnets in the two blind grooves are used for extinguishing electric arcs generated when the main contact plate is contacted with or separated from the main terminal.

5. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 3, characterized in that: the armature unit disposes insulating plate body, and supplementary touch panel sets up in insulating plate body, and insulating plate body is used for keeping apart supplementary touch panel and main touch panel, and main touch panel is located the protection intracavity, and insulating plate body is used for hiding the opening in protection chamber, and supplementary touch panel, bulge do not are located the both sides of plate body.

6. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 5, characterized in that: the auxiliary touch plate is an elastic conducting plate which is provided with a first elastic sheet and a second elastic sheet which are respectively positioned at two sides of the insulating plate body, the contact part protrudes out of the flat plate body, the first elastic sheet is provided with a flat plate body part for abutting against the contact part, and the second elastic sheet is provided with an arc arch for abutting against the flat plate body; the flat body part abuts against the contact part, and simultaneously, the arc-shaped arch synchronously abuts against the flat body.

7. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 5, characterized in that: the push rod unit penetrates through the insulating partition plate, and the insulating partition plate is positioned between the auxiliary contact plate and the electromagnet; the first elastic piece is a spring, the first elastic piece is sleeved outside the push rod unit, and two ends of the first elastic piece respectively abut against the armature and the insulating partition plate.

8. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 1, characterized in that: the electromagnet comprises an insulating framework and a coil unit sleeved on the outer side of the insulating framework, the insulating framework is provided with a guide hole, and the armature is movably accommodated in the guide hole.

9. The auxiliary switch terminal ready-to-connect electromagnetic relay according to claim 1, characterized in that: the insulating casing has the holding chamber that is used for holding and establishes electro-magnet, protection box, push rod unit, armature, first elastic component, main terminal, auxiliary terminal, and the insulating casing can be dismantled and be connected with the open-ended insulating cover that is used for hiding the holding chamber, and the insulating cover has the board of grabbing that convenient to use person held between the fingers, and main terminal stretches out the insulating cover suddenly, and the wire that auxiliary terminal connects stretches out the insulating cover suddenly.

Technical Field

The invention relates to the technical field of relays, and particularly discloses an electromagnetic relay with an auxiliary switch terminal convenient to connect.

Background

The relay is the automatic switch commonly used in the circuit, and the kind of relay is various, and electromagnetic relay is the one commonly used, and in electromagnetic relay's in-service use process, in order to monitor electromagnetic relay's main contact's conducting or off-state, often for electromagnetic relay configuration detection contact, the structure design of detection contact is unreasonable among the prior art, and the installation of detection contact is fixed on the one hand wastes time and energy, and on the other hand detects the contact and is connected insecure with the wire.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the electromagnetic relay with the auxiliary switch terminal convenient to connect, the switch terminal is quickly fixed on the protection box by means of glue contained in the tapered hole, and the installation efficiency of the switch terminal is improved; the soldering tin accommodated in the through hole is used for quickly welding the welding part and the conducting wire, so that the welding part and the conducting wire are ensured to be stably connected together, and the connection yield of the switch terminal is improved.

In order to achieve the above object, the invention provides an electromagnetic relay with an auxiliary switch terminal conveniently connected, which comprises an insulating shell, a protection box and an electromagnet which are arranged in the insulating shell, a push rod unit which is telescopically arranged relative to the electromagnet, an armature which is arranged at one end of the push rod unit and is matched with the electromagnet, a first elastic piece which is used for driving the armature to drive the push rod unit to reset, a main contact plate and an auxiliary contact plate which are arranged at the other end of the push rod unit, and a main terminal and an auxiliary terminal which are arranged on the protection box, wherein the main contact plate is used for connecting or disconnecting the main terminal, and the auxiliary contact plate is used for connecting or disconnecting the auxiliary; the auxiliary terminal is provided with a first switch terminal and a second switch terminal, the switch terminal is provided with a body part, contact parts and welding parts, the contact parts and the welding parts are respectively arranged at two ends of the body part, the welding part is provided with a through hole for accommodating an external lead, the through hole is used for accommodating soldering tin for welding the welding part and the lead together, and the auxiliary contact plate is used for contacting and conducting the contact parts of the two switch terminals; the insulating box is provided with a containing hole used for containing the switch terminal and a tapered hole communicated with the containing hole, the aperture of one end, far away from the containing hole, of the tapered hole is larger than that of one end, close to the containing hole, of the tapered hole, and the tapered hole is used for containing glue for bonding and fixing the switch terminal and the protection box.

The body part is provided with a sliding hole and a second elastic piece positioned in the sliding hole, the contact part is accommodated in the sliding hole in a sliding manner, and the second elastic piece is used for driving the contact part to reset; the body part is fixed in the tapered hole through glue, and the contact part is arranged in the accommodating hole in a telescopic mode.

The protection box is made of ceramic materials and provided with a flat plate body and a protruding part arranged on the flat plate body, the protection box is provided with a protection cavity which is concavely arranged in the protruding part from the flat plate body, and the protection cavity is used for accommodating a main touch plate and a main terminal; the containing hole and the tapered hole are arranged on the flat plate body.

The lug boss is provided with two blind grooves, the two blind grooves are formed by being concavely arranged on two sides, far away from each other, of the lug boss, permanent magnets are arranged in the blind grooves, and the permanent magnets in the two blind grooves are used for extinguishing electric arcs generated when the main contact plate is in contact with or separated from the main terminal.

Wherein, armature unit disposes insulating plate body, and supplementary touch panel sets up in insulating plate body, and insulating plate body is used for keeping apart supplementary touch panel and main touch panel, and main touch panel is located the protection intracavity, and insulating plate body is used for hiding the opening in protection chamber, and supplementary touch panel, bulge do not are located the both sides of plate body.

The auxiliary touch plate is an elastic conductive plate which is provided with a first elastic sheet and a second elastic sheet which are respectively positioned on two sides of the insulating plate body, the contact part protrudes out of the flat plate body, the first elastic sheet is provided with a flat plate body part for abutting against the contact part, and the second elastic sheet is provided with an arc arch for abutting against the flat plate body; the flat body part abuts against the contact part, and simultaneously, the arc-shaped arch synchronously abuts against the flat body.

The push rod unit penetrates through the insulating partition plate, and the insulating partition plate is positioned between the auxiliary contact plate and the electromagnet; the first elastic piece is a spring, the first elastic piece is sleeved outside the push rod unit, and two ends of the first elastic piece respectively abut against the armature and the insulating partition plate.

The electromagnet comprises an insulating framework and a coil unit sleeved on the outer side of the insulating framework, the insulating framework is provided with a guide hole, and the armature is movably accommodated in the guide hole.

The insulating shell is provided with an accommodating cavity for accommodating the electromagnet, the protective box, the push rod unit, the armature, the first elastic piece, the main terminal and the auxiliary terminal, the insulating shell is detachably connected with an insulating cover for covering an opening of the accommodating cavity, the insulating cover is provided with a holding plate convenient for a user to hold, the main terminal protrudes out of the insulating cover, and a wire connected with the auxiliary terminal protrudes out of the insulating cover.

The invention has the beneficial effects that: in the installation process of the switch terminal, the switch terminal is quickly fixed on the protection box by means of glue contained in the tapered hole, so that the installation efficiency of the switch terminal is improved; the soldering tin accommodated in the through hole is used for quickly welding the welding part and the conducting wire, so that the welding part and the conducting wire are ensured to be stably connected together, and the connection yield of the switch terminal is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural diagram of the protection box and the switch terminal of the present invention;

fig. 4 is a schematic perspective view of an auxiliary touch panel according to the present invention.

The reference numerals include:

1-insulating shell 2-protective box 3-electromagnet

4-tappet unit 5-armature 6-first elastic member

7-main touch plate 8-auxiliary touch plate 9-main terminal

11-body 12-contact 13-weld

14-perforation 15-accommodation hole 16-taper hole

17-plate body 18-bulge 19-permanent magnet

21-insulating plate body 22-flat sheet body 23-arc arch

24-insulating spacer 25-insulating cover 26-grip plate

27-fixed lug plate 28-reinforcing cylinder.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 4, the electromagnetic relay with an auxiliary switch terminal conveniently connected according to the present invention includes an insulating housing 1, a protection box 2 and an electromagnet 3 installed in the insulating housing 1, a push rod unit 4 telescopically installed with respect to the electromagnet 3, an armature 5 installed at one end of the push rod unit 4 and cooperating with the electromagnet 3, a first elastic member 6 for driving the armature 5 to drive the push rod unit 4 to reset, a main contact plate 7 and an auxiliary contact plate 8 installed at the other end of the push rod unit 4, a main terminal 9 and an auxiliary terminal installed on the protection box 2, the main contact plate 7 is used for connecting or disconnecting the main terminal 9, the number of the main terminals 9 is two, and two ends of the main contact plate 7 are respectively cooperating with the two main terminals 9.

The auxiliary contact 8 is used for connecting or disconnecting the auxiliary terminal, the auxiliary terminal has a first switch terminal and a second switch terminal, the two switch terminals have the same structure, the switch terminal has a main body 11, a contact portion 12 and a welding portion 13, the contact portion 12 and the welding portion 13 are respectively arranged at two ends of the main body 11, the two ends are far away from each other, the welding portion 13 has a through hole 14 for accommodating an external lead, and the through hole 14 is used for accommodating soldering tin for welding the welding portion 13 and the lead together. In actual use, the lead is first inserted into the through hole 14, the solder is injected into the through hole 14, and the lead and the soldering portion 13 are soldered together by the solidified solder.

The auxiliary contact plate 8 is used for contacting and conducting the contact part 12 of the two switch terminals; the insulating box is provided with a containing hole 15 used for containing the switch terminal and a tapered hole 16 communicated with the containing hole 15, the aperture of one end, far away from the containing hole 15, of the tapered hole 16 is larger than that of one end, close to the containing hole 15, of the tapered hole 16, and the tapered hole 16 is used for containing glue for adhering and fixing the switch terminal and the protection box 2.

Preferably, the tapered hole 16 is a conical hole, during the installation process of the switch terminal, the contact portion 12 of the switch terminal is installed into the accommodating hole 15 through one end of the tapered hole 16 far away from the accommodating hole 15, and the switch terminal is guided and installed into the accommodating hole 15 quickly and accurately by means of the structural design of the tapered hole 16, so that the installation efficiency of the switch terminal is improved.

In the installation process of the switch terminal, the switch terminal is quickly fixed on the protection box 2 by means of glue contained in the tapered hole 16, so that the installation efficiency of the switch terminal is improved; the soldering tin accommodated in the through hole 14 is used for rapidly welding the welding part 13 and the conducting wire, so that the two are stably connected together, and the connection yield of the switch terminal is improved.

The main body 11 has a sliding hole and a second elastic member located in the sliding hole, the contact portion 12 is slidably received in the sliding hole, the second elastic member is used for driving the contact portion 12 to reset, preferably, the second elastic member is a spring, and two ends of the second elastic member respectively abut against the contact portion 12 and the bottom surface of the sliding hole; the body portion 11 is fixed in the tapered hole 16 via glue, and the contact portion 12 is telescopically disposed in the accommodation hole 15.

After the switch terminal is arranged in the tapered hole 16 and the sliding hole, glue is injected into the tapered hole 16, then the glue in the tapered hole 16 is baked by a baking device, the glue is rapidly cured, and the cured glue can fix the switch terminal on the protection box 2.

The protection box 2 is made of ceramic materials, the main terminal 9 is welded on the protection box 2, the protection box 2 is provided with a flat plate body 17 and a protruding portion 18 arranged on the flat plate body 17, the protection box 2 is of an integrated structure, the protruding portion 18 is located in the middle of the flat plate body 17, the protection box 2 is provided with a protection cavity which is concavely arranged in the protruding portion 18 from the flat plate body 17, and the protection cavity is used for accommodating the main contact plate 7 and the main terminal 9.

The containing hole 15 and the tapered hole 16 are arranged on the flat plate body 17. With the help of the structural design of the protection box 2, the main terminal 9 and the auxiliary terminal are isolated from different positions on the protection box 2, and the touch interference between the main terminal and the auxiliary terminal in the use process is avoided.

The lug boss 18 is provided with two blind grooves which are formed by recessing two sides of the lug boss 18 away from each other, permanent magnets 19 are arranged in the blind grooves, and the permanent magnets 19 in the two blind grooves are used for extinguishing electric arcs generated when the main contact plate 7 is contacted with or separated from the main terminal 9. The permanent magnet 19 is used for rapidly extinguishing the electric arc generated when the main contact plate 7 is contacted with or separated from the main terminal 9, reducing the damage of the electric arc to the main contact plate and the main terminal, and prolonging the service life of the main contact plate and the main terminal. The permanent magnet 19 is blocked and abutted by the inner groove side surface of the blind groove, so that the permanent magnet 19 is prevented from contacting the main terminal 9 or the main contact plate 7 and being used badly.

The armature 5 unit is provided with an insulating plate body 21, the auxiliary contact plate 8 is arranged on the insulating plate body 21, the insulating plate body 21 is used for isolating the auxiliary contact plate 8 from the main contact plate 7, and the main contact plate 7 and the auxiliary contact plate 8 are prevented from contacting with each other by means of the insulating plate body 21 and are not used well. Main touch panel 7 is located the protection intracavity, and insulating plate body 21 is used for hiding the opening in protection chamber to encapsulate main touch panel 7, main terminal 9 in the protection intracavity, avoid external component to get into the protection intracavity and disturb normal use between them, supplementary touch panel 8, bellying 18 are located the both sides of dull and stereotyped 17 respectively.

The auxiliary touch plate 8 is an elastic conductive sheet, the elastic conductive sheet is provided with a first elastic sheet and a second elastic sheet which are respectively positioned at two sides of the insulating plate body 21, and the weight of two sides of the push rod unit 4 is approximately balanced by means of the arrangement of the first elastic sheet and the second elastic sheet, so that the situation that the weight of the push rod unit 4 is not uniformly used in the moving process is avoided. The contact part 12 protrudes out of the flat body 17, the first spring plate has a flat body part 22 for abutting against the contact part 12, the second spring plate has an arc-shaped arch 23 for abutting against the flat body 17; the flat body 22 abuts against the contact portion 12 while the arcuate arch 23 simultaneously abuts against the flat body 17.

With the help of the setting of the arc-shaped arch 23 on the flat body portion 22 and the second elastic sheet, the two ends of the auxiliary touch plate 8 simultaneously abut against external members, the auxiliary touch plate 8 is prevented from abutting against the external members only on one side and the stress is unbalanced, the stress balance of the auxiliary touch plate 8 is ensured, and the stability of the use performance of the relay is ensured.

The novel electric power equipment further comprises an insulating partition plate 24 located in the insulating shell 1, the push rod unit 4 penetrates through the insulating partition plate 24, the insulating partition plate 24 is located between the auxiliary contact plate 8 and the electromagnet 3, creepage distances between the electromagnet 3 and the main terminal 9 and between the electromagnet 3 and the auxiliary sheet are increased through the insulating partition plate 24, and the use safety of the main terminal 9 and the auxiliary terminal is guaranteed. The first elastic member 6 is a spring, the first elastic member 6 is sleeved outside the push rod unit 4, and two ends of the first elastic member 6 respectively abut against the armature 5 and the insulating partition plate 24.

The electromagnet 3 comprises an insulating framework and a coil unit sleeved outside the insulating framework, the insulating framework is provided with a guide hole, and the armature 5 is movably accommodated in the guide hole. The guide hole guides the moving direction of the armature 5 piece, so that the armature 5 piece is prevented from being skewed in the moving process, the push rod unit 4 moves along the armature 5 along the right direction, and the terminal is ensured to be accurately connected with or disconnected from the contact plate.

The insulating skeleton has a plurality of rolling plastics spin, and the protruding income of plastics spin is downthehole, and the plastics spin rolls to be contradicted on armature 5, and a plurality of plastics spin set up around armature 5. Through the arrangement of the plastic rolling ball, the sliding friction between the armature iron 5 and the insulating framework is converted into rolling friction, the friction noise between the armature iron and the insulating framework is reduced, the abrasion between the armature iron and the insulating framework is delayed, and the service lives of the armature iron and the insulating framework are prolonged. Meanwhile, the interference of abrasion dust generated by relative sliding of the armature 5 and the insulating framework on the use of the relay is reduced, and the stability of the use performance of the relay is ensured.

Insulating casing 1 has the holding chamber that is used for holding and establishes electro-magnet 3, protection box 2, push rod unit 4, armature 5, first elastic component 6, main terminal 9, auxiliary terminal, insulating casing 1 can be dismantled and is connected with the insulating cover 25 that is used for covering the open-ended of holding chamber, insulating cover 25 has the board 26 of grabbing that convenient to use person held between the fingers, it is used for separating two main terminals 9 to grab board 26, when needs move the relay, the user can hold between the fingers and grab board 26, then easily move the relay. The main terminals 9 protrude through the insulating cover 25 and the wires to which the auxiliary terminals are connected protrude through the insulating cover 25.

One end of the insulating shell 1 far away from the insulating cover 25 is provided with two fixing ear plates 27, the two fixing ear plates 27 are respectively located at two sides of the insulating shell 1 far away from each other, the two fixing ear plates 27 are arranged in a coplanar manner, and external fixing pieces (such as screws and the like) penetrate through the fixing ear plates 27 so as to firmly fix the insulating shell 1 on external components.

The fixing ear plate 27 is provided with a reinforcing cylinder 28 therein, the reinforcing cylinder 28 is substantially a hollow cylinder, the reinforcing cylinder 28 is made of a metal material, for example, the reinforcing cylinder 28 is made of stainless steel, and the strength of the fixing ear plate 27 is improved by the reinforcing cylinder 28, so as to prevent the fixing member from crushing the fixing ear plate 27.

The fixed otic placode 27 injection moulding cladding is in the outside of strengthening a section of thick bamboo 28, strengthens a section of thick bamboo 28 and has spacing blind groove, and spacing blind groove is located the middle part of strengthening a section of thick bamboo 28, and spacing blind groove is established from the outside of strengthening a section of thick bamboo 28 is concave to form, and fixed otic placode 27 has the spacing ring rib that is located spacing blind inslot to strengthen a section of thick bamboo 28 and stabilize and fix in fixed otic placode 27.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.