CN217822582U

CN217822582U - Shield and relay

Info

Publication number: CN217822582U
Application number: CN202221759086.2U
Authority: CN
Inventors: 叶扬; 林铸鑫; 李伟; 王彬鸣; 卢晨磊; 岳喜雷; 林敏敏
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-15
Anticipated expiration: 2032-07-08

Abstract

The utility model belongs to the technical field of low-voltage apparatus, a guard shield and relay is disclosed. The protective cover is suitable for a relay, the relay comprises a base, a main wiring terminal group and an auxiliary wiring terminal group, and the protective cover comprises a main cover plate and an auxiliary cover plate which are integrally formed. The main cover plate is used for protecting the main wiring terminal group, the auxiliary cover plate is used for protecting the auxiliary wiring terminal group, and the integrally formed main cover plate and the auxiliary cover plate are connected with the base through a detachable connection mode. The protective cover adopts an integrated structure, is convenient to assemble and has lower cost.

Description

Shield and relay

Technical Field

The utility model relates to a low-voltage apparatus technical field especially relates to a guard shield and relay.

Background

The relay is used as an overload protection element of the motor, and is widely applied to production due to the advantages of small volume, simple structure, low cost and the like. In order to protect the internal structure of the relay and to prevent personnel from contacting the live structure inside the relay, a shield is generally arranged outside the relay.

The front shell protection and the terminal protection of current large-scale electronic type overload relay comprise two parts of guard shield and terminal guard shield, and its defect and not enough that exist are:

1. two parts are used for protection, so that the part cost and the assembly cost are high;

2. because of the relationship of assembly clearance, the surface has certain gap, causes the product to be unsightly.

Therefore, a need exists for a shield to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model provides a guard shield adopts the integral type structure, and the assembly of being convenient for, the cost is lower.

To achieve the purpose, the utility model adopts the following technical proposal:

a shield is suitable for a relay, the relay comprises a base, a main wiring terminal group and an auxiliary wiring terminal group, the shield comprises a main cover plate and an auxiliary cover plate which are integrally formed,

the main cover plate is used for protecting the main wiring terminal group, the auxiliary cover plate is used for protecting the auxiliary wiring terminal group, and the integrally formed main cover plate and the auxiliary cover plate are connected with the base in a detachable connection mode.

Optionally, the main cover plate and the auxiliary cover plate are both provided with a plurality of buckles, the base is provided with a plurality of clamping grooves matched with the buckles, and the buckles correspond to the clamping grooves.

Optionally, the buckle is arranged perpendicular to the main cover plate; and/or

The buckle and the auxiliary cover plate are arranged vertically.

Optionally, the base further comprises a first baffle, the first baffle is connected with the auxiliary cover plate and perpendicular to the auxiliary cover plate, a first notch is formed in the base, and the first baffle is used for plugging the first notch.

Optionally, a plurality of first reinforcing ribs are arranged on the baffle.

Optionally, a setting current adjusting window is arranged on the main cover plate.

Optionally, a plurality of main wiring terminal holes are formed in the main cover plate.

Optionally, a reset button adjusting window is arranged on the main cover plate.

Optionally, an indicator light viewing window is arranged on the main cover plate.

According to another aspect of the present invention, the present invention further provides a relay, including the above-mentioned shield.

The utility model has the advantages that:

the utility model provides a protective cover, including integrated into one piece's main apron and supplementary apron. The main cover plate is used for protecting a main wiring terminal group on the relay, and the auxiliary cover plate is used for protecting an auxiliary wiring terminal group on the relay. By arranging the main cover plate and the auxiliary cover plate as an integrally formed structure, on one hand, compared with a structure adopting two separated shields, the number of parts is reduced, and the assembly process and the production cost are simplified while the main wiring terminal group and the auxiliary wiring terminal group on the relay are ensured to be protected; on the other hand, no gap exists between the main cover plate and the auxiliary cover plate, so that the insulation protection performance and the attractiveness of the shield are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a shield at a first viewing angle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a shield at a second viewing angle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shield at a third viewing angle according to an embodiment of the present invention;

fig. 4 is an exploded view of a relay at a first viewing angle provided by an embodiment of the present invention;

fig. 5 is an exploded view of a relay at a second viewing angle according to an embodiment of the present invention.

In the figure:

100. a base; 110. a card slot; 200. a main wiring terminal group; 300. an auxiliary wiring terminal group; 400. a shield; 410. a main cover plate; 411. setting a current regulation window; 412. a main wiring terminal hole; 413. a reset button adjusts the window; 414. an indicator light viewing window; 420. an auxiliary cover plate; 430. buckling; 440. a first baffle plate; 441. a first reinforcing rib; 450. a second baffle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The utility model provides a guard shield 400 adopts the integral type structure, the assembly of being convenient for, and the cost is lower.

Specifically, as shown in fig. 1 to 5, the shield 400 is adapted to a relay including a base 100, a main terminal group 200, and an auxiliary terminal group 300, the main terminal group 200 and the auxiliary terminal group 300 being provided on the base 100. The shield 400 comprises a main cover plate 410 and an auxiliary cover plate 420, wherein the main cover plate 410 and the auxiliary cover plate 420 are of an integrally formed structure, the number of parts is reduced, the mounting efficiency of the shield 400 is improved, and the cost is lower. The main cover plate 410 is used for protecting the main wiring terminal group 200, and meanwhile, workers are prevented from contacting the main wiring terminal group 200, and the safety performance of the relay is improved. The auxiliary cover plate 420 is used to protect the auxiliary terminal set 300, and simultaneously, the worker is prevented from contacting the auxiliary terminal set 300, thereby improving the safety performance of the relay. In the present embodiment, the integrally formed main cover 410 and the auxiliary cover 420 are detachably connected to the base 100, so that the main connection terminal group 200 and the auxiliary connection terminal group 300 are located in the accommodating space defined by the main cover 410, the auxiliary cover 420 and the base 100. Through setting up main apron 410 and assisting apron 420 and be connected with base 100 can dismantle, be convenient for main apron 410 and the installation and the dismantlement of assisting apron 420, be favorable to maintaining the electrical components in the base 100.

Further, with continued reference to fig. 1, the main cover plate 410 is provided with a setting current adjustment window 411. Based on the protection characteristic, the setting current of the relay is usually set to be equal to the rated current of the motor, but if the motor drags an impact load, or the starting time is long, or the dragged equipment does not allow the stop, the setting current can be adjusted to be 1.1-1.5 times of the rated current of the motor. By arranging the setting current adjusting window 411 on the cover plate, the setting current of the relay can be adjusted through the setting current adjusting window 411 without opening the main cover plate 410, and the adjusting process of the setting current is simplified.

Further, with continued reference to fig. 1, the main cover 410 is provided with a plurality of main terminal holes 412. The main wiring terminal group 200 includes a plurality of main wiring terminals, and the number of main wiring terminals is set according to actual needs, and in this embodiment, includes 4 main wiring terminals in one main wiring terminal group 200, and therefore, main wiring terminal hole 412 is equipped with four, and every main wiring terminal hole 412 corresponds with a main wiring terminal, and the outside pencil of being convenient for passes main wiring terminal hole 412 and is connected with main wiring terminal is electric. In other embodiments, the number of the main terminal holes 412 and the main terminals may be other, such as 3, 5, or 6, but it is ensured that the main terminal holes 412 and the main terminals are arranged in a one-to-one correspondence.

Further, with continued reference to fig. 1, a reset button adjustment window 413 is provided on the main cover 410. After the relay performs overload protection, the normally closed contact of the relay can be restored to the closed state only by pressing a reset button by hands. Through setting up reset button adjustment window 413, make the staff can pass reset button adjustment window 413 and press reset button, convenient operation.

Further, with continued reference to FIG. 1, an indicator light viewing window 414 is provided on the main panel 410. Through setting up relay pilot lamp, can make the staff judge the relay through the bright of relay pilot lamp and be in action state or at the reset state. By arranging the indicator light viewing window 414 on the main cover plate 410, a worker can observe the working state of the indicator light through the indicator light viewing window 414 conveniently.

Preferably, as shown in fig. 1 to 5, a plurality of fasteners 430 are disposed on the main cover plate 410 and the auxiliary cover plate 420, the base 100 is provided with the slots 110, the fasteners 430 are disposed in one-to-one correspondence with the slots 110, and the fasteners 430 can be engaged with the slots 110 to mount the shield 400. In the present embodiment, 6 snaps 430 are provided, wherein 4 snaps 430 are spaced apart along the circumference of the main cover plate 410, and 2 snaps 430 are spaced apart along the length of the auxiliary cover plate 420. In other embodiments, the number of the fasteners 430 may be other, and may be set according to actual needs. More preferably, the latch 430 has a certain elastic deformation capability, so as to facilitate the mounting and dismounting of the latch 430 and the slot 110.

Further, in one embodiment, the latch 430 is disposed perpendicular to the main cover 410, which can reduce the size of the shield 400, and also reduce the gap between the edge of the shield 400 and the base 100, thereby improving the insulation protection performance and the aesthetic appearance of the relay. In another embodiment, the latch 430 may be disposed perpendicular to the auxiliary cover plate 420. In other embodiments, the fasteners 430 may be further disposed perpendicular to the main cover plate 410 and the auxiliary cover plate 420, and may be disposed according to actual requirements.

Further, with continued reference to fig. 1 and 4, the shroud 400 further includes a first baffle 440, the first baffle 440 is connected to the secondary deck 420, and the first baffle 440 is disposed perpendicular to the secondary deck 420. A first notch matched with the first cover plate is formed in the base 100, and the first baffle 440 is used for blocking the first notch. Through setting up first breach of first baffle 440 shutoff, be convenient for realize the hermetically-sealed of base 100, improve the insulating barrier propterty and the pleasing to the eye degree of relay.

Preferably, in order to improve the strength of the first baffle 440, as shown in fig. 3 and 5, a plurality of first reinforcing ribs 441 may be disposed on the first baffle 440, and the plurality of first reinforcing ribs 441 may be disposed at intervals along the length direction of the first baffle 440. The shape of the first reinforcing rib 441 can be set according to actual needs, such as a straight line type, a broken line type, or a wave type.

Further, with continued reference to fig. 3 and 5, the shroud 400 further includes a second baffle 450, the second baffle 450 being coupled to the main cover plate 410, and the second baffle 450 being disposed perpendicular to the main cover plate 410. A second notch matched with the second cover plate is arranged on the base 100, and the second baffle 450 is used for blocking the second notch. Through setting up second baffle 450 shutoff second breach, be convenient for realize the hermetically-sealed of base 100, improve the insulating barrier propterty and the pleasing to the eye degree of relay.

Preferably, in order to improve the strength of the second barrier 450, a plurality of second reinforcing ribs may be provided on the second barrier 450, and the plurality of second reinforcing ribs may be provided at intervals along the length direction of the second barrier 450. The shape of the second reinforcing rib can also be set according to actual requirements, such as a straight line type, a broken line type or a wave type.

Preferably, with continued reference to fig. 1, the main cover plate 410 and the auxiliary cover plate 420 may have a stepped structure. Because the auxiliary connecting terminal group is generally located below the main connecting terminal, the main cover plate 410 and the auxiliary cover plate 420 are arranged to be of a stepped structure, so that the size of the protective cover 400 can be reduced while the protective performance of the main cover plate 410 and the auxiliary cover plate 420 is ensured, and the structural compactness of the relay is improved.

Preferably, the main cover plate 410, the auxiliary cover plate 420, the first baffle 440, the second baffle 450, and the catch 430 may be integrally formed by injection molding. The injection molding process is simple, mass production is facilitated, and the cost is low.

The present invention also provides a relay, as shown in fig. 4 and 5, comprising the above-mentioned shield 400. The relay has the advantages of compact structure, less parts, convenience in assembly and low cost.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A shield adapted for a relay comprising a base (100), a main terminal set (200) and an auxiliary terminal set (300), characterized in that the shield (400) comprises a main cover plate (410) and an auxiliary cover plate (420) which are integrally formed,

the main cover plate (410) is used for protecting the main wiring terminal group (200), the auxiliary cover plate (420) is used for protecting the auxiliary wiring terminal group (300), and the integrally formed main cover plate (410) and the auxiliary cover plate (420) are connected with the base (100) in a detachable connection mode.

2. The shield of claim 1, wherein the main cover plate (410) and the auxiliary cover plate (420) are respectively provided with a plurality of fasteners (430), the base (100) is provided with a plurality of clamping grooves (110) matched with the fasteners (430), and the fasteners (430) are correspondingly clamped with the clamping grooves (110).

3. The shroud of claim 2, wherein the catch (430) is disposed perpendicular to the main cover plate (410); and/or

The buckle (430) is perpendicular to the auxiliary cover plate (420).

4. The shroud of claim 1, further comprising a first baffle (440), wherein the first baffle (440) is connected to the secondary cover plate (420), the first baffle (440) is perpendicular to the secondary cover plate (420), the base (100) is provided with a first gap, and the first baffle (440) is used for blocking the first gap.

5. The shroud according to claim 4, characterised in that the baffle is provided with a plurality of first stiffening ribs (441).

6. A shield according to any one of claims 1-4, characterised in that the main cover plate (410) is provided with a setting current adjustment window (411).

7. The shroud according to any one of claims 1 to 4, characterized in that the main cover plate (410) is provided with a plurality of main terminal holes (412).

8. A shield according to any one of claims 1 to 4, wherein the main cover plate (410) is provided with a reset button adjustment window (413).

9. A cover according to any of claims 1 to 4, wherein the main lid (410) is provided with an indicator light viewing window (414).

10. A relay, characterized in that it comprises a shield (400) according to any one of claims 1-9.