CN213093138U

CN213093138U - Contactor for PLC that possesses dampproofing and waterproofing function

Info

Publication number: CN213093138U
Application number: CN202022317345.3U
Authority: CN
Inventors: 郭峻玮; 刘子俊; 姚雯; 刘玉聃; 林靖和; 张翔; 左春扬; 马彦新; 李东昊; 董俊春; 吴缠富; 吴浩东
Original assignee: Lanzhou Institute of Technology
Current assignee: Lanzhou Institute of Technology
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-04-30
Anticipated expiration: 2030-10-16

Abstract

The utility model provides a contactor for PLC that possesses dampproofing and waterproofing function, include: a device body, a transparent protective cover and a Glan head; the upper side and the lower side of the front side of the device body are respectively provided with a protective groove, and the device body and the protective grooves are of an integrated structure; the wiring holes are respectively positioned in front of the upper side and the lower side of the device body, and the wiring holes and the device body are of an integrated structure; the fixing holes are respectively positioned at the upper side and the lower side of the front side of the device body, and the fixing holes and the device body are of an integrated structure; the transparent protective cover is arranged in the protective groove and is clamped with the protective groove; the gland head is respectively arranged on the upper side of the transparent protective cover above the device and the lower side of the transparent protective cover below the device, and the gland head is screwed with the transparent protective cover. Through the improvement on structure, have safety protection, easy dismounting and spacing advantage of locking to the problem among the prior art and not enough have been solved effectively.

Description

Contactor for PLC that possesses dampproofing and waterproofing function

Technical Field

The utility model relates to a contactor technical field, more specifically the theory especially relates to a contactor for PLC who possesses dampproofing and waterproofing function.

Background

The contactor is often used in power distribution operation, and the contactor is an electrical device which utilizes a coil to flow current to generate a magnetic field to close a contact so as to control a load.

However, the conventional contactor still has the problems that the protection function is incomplete, moist air and dust easily enter the device, short circuits occur to the device and a circuit, danger occurs, the installation mode is complex, and inconvenience in use can be caused.

In view of the above, the present invention provides a PLC contactor having waterproof and moistureproof functions, which is improved in view of the conventional problems, and aims to solve the problems and improve the practical value by the above technique.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contactor for PLC who possesses dampproofing and waterproofing function to solve present common contactor that proposes in the above-mentioned background art and still have safeguard function imperfect, moist air and dust enter into the inside of device easily, cause device and circuit to take place the short circuit, appear dangerously, its mounting means is also comparatively complicated simultaneously, still can appear awkward problem and not enough.

In order to achieve the above object, the utility model provides a contactor for PLC who possesses dampproofing and waterproofing function is reached by following concrete technical means:

a contactor for PLC who possesses dampproofing and waterproofing function includes: the device comprises a device body, a protective groove, a wiring hole, a fixing hole, a transparent protective cover, a gland head, a limiting rod, a fixing screw, a compression spring, a mounting groove, a mounting plate and a reinforcing plate; the upper side and the lower side of the front side of the device body are respectively provided with a protective groove, and the device body and the protective grooves are of an integrated structure; the wiring holes are respectively positioned in front of the upper side and the lower side of the device body, and the wiring holes and the device body are of an integrated structure; the fixing holes are respectively positioned at the upper side and the lower side of the front side of the device body, and the fixing holes and the device body are of an integrated structure; the transparent protective cover is arranged in the protective groove and is clamped with the protective groove; the gland head is respectively arranged on the upper side of the transparent protective cover positioned above the device and the lower side of the transparent protective cover positioned below the device, and the gland head and the transparent protective cover are screwed; the limiting rod is positioned at the rear side of the transparent protective cover, and the limiting rod and the transparent protective cover are of an integrated structure; the front end of the fixing screw is arranged in the fixing hole, and the fixing screw is screwed with the fixing hole; the compression spring is arranged on the outer side of the fixing screw, and the compression spring is sleeved with the fixing screw; the mounting grooves are respectively positioned at the rear of the upper side and the lower side of the device body, and the mounting grooves and the device body are of an integrated structure; the mounting plate is arranged inside the mounting groove and is in sliding connection with the mounting groove in a clearance fit manner; the reinforcing plate is arranged below the mounting groove above the device, and the reinforcing plate is in sliding connection with the mounting groove in a clearance fit mode.

As this technical scheme's further optimization, the utility model relates to a contactor for PLC that possesses dampproofing and waterproofing function wiring hole, fixed orifices and glan head all are the mode of horizontal arrangement and are provided with everywhere.

As this technical scheme's further optimization, the utility model relates to a contactor for PLC that possesses dampproofing and waterproofing function the gag lever post is equipped with the round bar-shaped structure of a shoulder hole for inside, and the mode that the gag lever post is horizontal arrangement is provided with everywhere to the gag lever post passes through clearance fit's mode sliding connection with fixed orifices and set screw respectively.

As a further optimization of this technical scheme, the utility model relates to a contactor for PLC that possesses dampproofing and waterproofing function the mounting groove is rectangular slot-like structure, and the degree of depth that is located device top mounting groove is for being located 2 times of device below mounting groove degree of depth.

As a further optimization of this technical scheme, the utility model relates to a contactor for PLC that possesses dampproofing and waterproofing function the mounting panel is the platelike structure of several fonts for overlooking, and the left and right sides of mounting panel is equipped with a circular shape through-hole respectively.

As this technical scheme's further optimization, the utility model relates to a contactor for PLC that possesses dampproofing and waterproofing function the gusset plate is rectangular platelike structure, and just regards as right angled triangle at the left end of gusset plate to the width of gusset plate equals with the degree of depth that is located device below mounting groove.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a contactor for PLC who possesses dampproofing and waterproofing function sets up the transparent protection casing of installing the glan head through the upper and lower both sides at the ware body to set up sealed the pad in the rear end of gag lever post, can stop dust and moisture and enter into the inside of device, cause the damage to the device, thereby make the device play safety protection's effect.

2. The utility model relates to a contactor for PLC who possesses dampproofing and waterproofing function sets up the mounting groove through the upper and lower both sides at the ware body, utilizes the cooperation of its and mounting panel, can be convenient installs and dismantles the device to make the device play easy dismounting's effect.

3. The utility model relates to a contactor for PLC who possesses dampproofing and waterproofing function sets up the gusset plate through the inside at the mounting groove, can carry on spacingly to the ware body to prevent that it from receiving external force to take place to drop, thereby make the device play the effect of spacing locking.

4. The utility model discloses a structurally improve to above-mentioned device, have the advantage of safety protection, easy dismounting and spacing locking to effectual problem and the not enough among the prior art of having solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic view of the front upper structure of the present invention;

FIG. 2 is a schematic view of the front lower structure of the present invention;

FIG. 3 is a right side schematic view of the present invention;

fig. 4 is a schematic view of the sectional structure of the fixing screw of the present invention.

In the figure: the device comprises a device body 1, a protective groove 2, a wiring hole 3, a fixing hole 4, a transparent protective cover 5, a Glan head 6, a limiting rod 7, a fixing screw 8, a compression spring 9, a mounting groove 10, a mounting plate 11 and a reinforcing plate 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 to 4, the present invention provides a specific technical implementation of a PLC contactor with waterproof and moistureproof functions:

a contactor for PLC who possesses dampproofing and waterproofing function includes: the device comprises a device body 1, a protective groove 2, a wiring hole 3, a fixing hole 4, a transparent protective cover 5, a Glan head 6, a limiting rod 7, a fixing screw 8, a compression spring 9, a mounting groove 10, a mounting plate 11 and a reinforcing plate 12; the upper and lower sides of the front side of the device body 1 are respectively provided with a protective groove 2, and the device body 1 and the protective grooves 2 are of an integrated structure; the wiring holes 3 are respectively positioned in front of the upper side and the lower side of the device body 1, and the wiring holes 3 and the device body 1 are of an integrated structure; the fixing holes 4 are respectively positioned at the upper and lower sides of the front side of the device body 1, and the fixing holes 4 and the device body 1 are of an integrated structure; the transparent protective cover 5 is arranged inside the protective groove 2, and the transparent protective cover 5 is clamped with the protective groove 2; the gland heads 6 are respectively arranged on the upper side of the transparent protective cover 5 positioned above the device and the lower side of the transparent protective cover 5 positioned below the device, and the gland heads 6 are screwed with the transparent protective cover 5; the limiting rod 7 is positioned at the rear side of the transparent protective cover 5, and the limiting rod 7 and the transparent protective cover 5 are of an integrated structure; the front end of the fixing screw 8 is arranged in the fixing hole 4, and the fixing screw 8 is screwed with the fixing hole 4; the compression spring 9 is arranged on the outer side of the fixing screw 8, and the compression spring 9 is sleeved with the fixing screw 8; the mounting groove 10 is respectively positioned at the rear of the upper side and the lower side of the device body 1, and the mounting groove 10 and the device body 1 are of an integrated structure; the mounting plate 11 is arranged inside the mounting groove 10, and the mounting plate 11 is in sliding connection with the mounting groove 10 in a clearance fit manner; the reinforcing plate 12 is disposed below the installation groove 10 above the device, and the reinforcing plate 12 is slidably coupled to the installation groove 10 by a clearance fit.

Specifically, the wiring holes 3, the fixing holes 4, and the glan heads 6 are all arranged in four positions in a horizontal arrangement manner, and as shown in fig. 1, the positions of the wiring holes 3, the fixing holes 4, and the glan heads 6 correspond to one another.

Specifically, the limiting rod 7 is a round rod-shaped structure with a stepped hole inside, the limiting rod 7 is arranged in four positions in a horizontal arrangement mode, the limiting rod 7 is in sliding connection with the fixing hole 4 and the fixing screw 8 in a clearance fit mode, and meanwhile a sealing gasket is arranged at the rear end of the limiting rod 7.

Specifically, the mounting groove 10 has a rectangular groove-like structure, and the depth of the mounting groove 10 located above the device is 2 times the depth of the mounting groove 10 located below the device.

Specifically, the mounting plate 11 has a plate-like structure in a shape of a Chinese character ji in a plan view, and the left and right sides of the mounting plate 11 are respectively provided with a circular through hole.

Specifically, the reinforcing plate 12 is a rectangular plate-shaped structure, the left end of the reinforcing plate 12 is viewed as a right triangle, and the width of the reinforcing plate 12 is equal to the depth of the installation groove 10 below the device.

The method comprises the following specific implementation steps:

firstly, mounting plates 11 are arranged in a distribution box, then a mounting groove 10 above a device body 1 is arranged at the outer side of the mounting plate 11 above, then the mounting groove 10 below the device body 1 is aligned with the mounting plate 11 below, the device body 1 moves downwards to enable the device body 1 to be fixed between the two mounting plates 11, finally a reinforcing plate 12 is inserted into the lower part of the mounting groove 10 above the device body 1 to limit the position of the device, and the installation of the device can be completed, when a circuit is required to be connected, firstly, fixing screws 8 at corresponding positions are loosened, then, the circuit is inserted into a wiring hole 3 through a gland head 6 at corresponding positions, and finally, the fixing screws 8 and the gland head 6 are screwed, so that the device is sealed through the gland head 6, a transparent protective cover 5 and a sealing gasket at the rear end of a limiting rod 7, dust and water vapor can be effectively prevented from entering the inside of the device, and the device has a strong protective effect while having a convenient use function, greatly improving the practical value thereof.

In summary, the following steps: according to the contactor for the PLC with the waterproof and moistureproof functions, the transparent protective covers provided with the Glan heads are arranged on the upper side and the lower side of the contactor body, and the sealing gaskets are arranged at the rear ends of the limiting rods, so that dust and moisture can be prevented from entering the device and damaging the device, and the device can play a role in safety protection; the mounting grooves are arranged on the upper side and the lower side of the device body, and the device can be conveniently mounted and dismounted by utilizing the matching of the mounting grooves and the mounting plate, so that the device has the function of convenient dismounting; through set up the gusset plate in the inside of mounting groove, can carry on spacingly to the ware body to prevent that it from receiving external force to take place to drop, thereby make the device play spacing locking's effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A contactor for PLC who possesses dampproofing and waterproofing function includes: the device comprises a device body (1), a protective groove (2), a wiring hole (3), a fixing hole (4), a transparent protective cover (5), a gland head (6), a limiting rod (7), a fixing screw (8), a compression spring (9), a mounting groove (10), a mounting plate (11) and a reinforcing plate (12); the method is characterized in that: the upper side and the lower side of the front side of the device body (1) are respectively provided with a protective groove (2), and the device body (1) and the protective grooves (2) are of an integrated structure; the wiring holes (3) are respectively positioned in front of the upper side and the lower side of the device body (1), and the wiring holes (3) and the device body (1) are of an integrated structure; the fixing holes (4) are respectively positioned at the upper side and the lower side of the front side of the device body (1), and the fixing holes (4) and the device body (1) are of an integrated structure; the transparent protective cover (5) is arranged inside the protective groove (2), and the transparent protective cover (5) is clamped with the protective groove (2); the gland head (6) is respectively arranged on the upper side of the transparent protective cover (5) positioned above the device and the lower side of the transparent protective cover (5) positioned below the device, and the gland head (6) is screwed with the transparent protective cover (5); the limiting rod (7) is positioned at the rear side of the transparent protective cover (5), and the limiting rod (7) and the transparent protective cover (5) are of an integrated structure; the front end of the fixing screw (8) is arranged in the fixing hole (4), and the fixing screw (8) is screwed with the fixing hole (4); the compression spring (9) is arranged on the outer side of the fixing screw (8), and the compression spring (9) is sleeved with the fixing screw (8); the mounting groove (10) is respectively positioned at the rear of the upper side and the lower side of the device body (1), and the mounting groove (10) and the device body (1) are of an integrated structure; the mounting plate (11) is arranged inside the mounting groove (10), and the mounting plate (11) is in sliding connection with the mounting groove (10) in a clearance fit manner; the reinforcing plate (12) is arranged below the device in the mounting groove (10) above the device, and the reinforcing plate (12) is in sliding connection with the mounting groove (10) in a clearance fit mode.

2. The PLC contactor according to claim 1, wherein the PLC contactor has a waterproof and moisture-proof function, and further comprises: the wiring holes (3), the fixing holes (4) and the Glan heads (6) are arranged in four positions in a horizontal arrangement mode.

3. The PLC contactor according to claim 1, wherein the PLC contactor has a waterproof and moisture-proof function, and further comprises: the limiting rod (7) is of a round rod-shaped structure, a stepped hole is formed in the limiting rod (7), four positions of the limiting rod (7) are arranged in a horizontal arrangement mode, and the limiting rod (7) is in sliding connection with the fixing hole (4) and the fixing screw (8) in a clearance fit mode respectively.

4. The PLC contactor according to claim 1, wherein the PLC contactor has a waterproof and moisture-proof function, and further comprises: the mounting groove (10) is of a rectangular groove-shaped structure, and the depth of the mounting groove (10) above the device is 2 times that of the mounting groove (10) below the device.

5. The PLC contactor according to claim 1, wherein the PLC contactor has a waterproof and moisture-proof function, and further comprises: the mounting plate (11) is of a plate-shaped structure which is shaped like a Chinese character 'ji' in plan view, and the left side and the right side of the mounting plate (11) are respectively provided with a circular through hole.

6. The PLC contactor according to claim 1, wherein the PLC contactor has a waterproof and moisture-proof function, and further comprises: the reinforcing plate (12) is of a rectangular plate-shaped structure, the left end of the reinforcing plate (12) is in a right-angled triangle shape, and the width of the reinforcing plate (12) is equal to the depth of the installation groove (10) below the device.