CN210167489U

CN210167489U - Sealed butt joint device for isolator

Info

Publication number: CN210167489U
Application number: CN201920844054.4U
Authority: CN
Inventors: 蒋剑
Original assignee: SUZHOU INDUSTRIAL PARK KAYMAX PRECISION ENGINEERING Co Ltd
Current assignee: SUZHOU INDUSTRIAL PARK KAYMAX PRECISION ENGINEERING Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-20
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a sealed interfacing apparatus of isolator, including the isolator casing, the upper end of isolator casing is equipped with the isolator block, the upper end fixedly connected with interfacing apparatus of isolator casing, be equipped with a plurality of stop gear on the lateral wall of isolator block. The utility model has the advantages of reasonable design, have the benefit that strengthens the junction leakproofness and increased the steadiness of junction.

Description

Sealed butt joint device for isolator

Technical Field

The utility model relates to an isolator technical field especially relates to sealed interfacing apparatus of isolator.

Background

The isolator adopts a linear optical coupling isolation principle to convert and output an input signal. The input, output and working power supply are isolated from each other, the isolator is particularly suitable for being matched with equipment instruments needing electric isolation, is also named as a signal isolator and is an important component in an industrial control system, and the common power supply mode of the isolator comprises independent power supply, loop power supply and output loop power supply.

In the prior art, when the isolator shell is assembled, the sealing effect of the joint of the cap and the shell is general, and the service life of internal elements is easily influenced, so that an isolator sealing butt joint device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an isolator sealing and butting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sealed butting device for the isolators comprises an isolator shell, wherein an isolator cap is arranged at the upper end of the isolator shell, the butting device is fixedly connected to the upper end of the isolator shell, and a plurality of limiting mechanisms are arranged on the side wall of the isolator cap.

Preferably, interfacing apparatus includes the trapezoidal buttcover plate of fixed connection in isolator casing upper end, the sealed banding of fixedly connected with on the lateral wall of trapezoidal buttcover plate, the lower extreme of isolator block is equipped with trapezoidal catching groove, be provided with the embedding chamber along its edge on the lateral wall of trapezoidal catching groove, sealed banding is located the embedding intracavity, sealed banding offsets with the inner wall in embedding chamber.

Preferably, the limiting mechanism comprises a limiting pin which is arranged on the side wall of the isolator cap in a penetrating mode, one end, located in the isolator cap, of the limiting pin penetrates and extends into the embedded cavity, one end, located on the outer side of the isolator cap, of the limiting pin is fixedly connected with the limiting pin cap, two springs are elastically connected between the limiting pin cap and the side wall of the isolator cap, two limiting rods are fixedly connected to the side wall of the isolator cap, and the two limiting rods are located in the two springs respectively.

Preferably, when the sealing edge is located in the embedding cavity, one end of each of the plurality of limiting pins located in the embedding cavity respectively penetrates through the limiting hole on the sealing edge at the corresponding position.

Preferably, when the isolator cap is connected with the isolator shell, the trapezoidal butt plate is complementary to the trapezoidal catching groove in shape.

Preferably, one end of the limit pin, which is positioned in the embedding cavity, is designed to be in a circular arc shape.

The utility model discloses following beneficial effect has:

1. through setting up interfacing apparatus and stop gear and mutually supporting, set up trapezoidal butt joint board in isolator casing upper end, let its trapezoidal catching groove shape complementary with isolator cap lower extreme design, sealed banding on the trapezoidal butt joint board lateral wall enters into the embedding intracavity, greatly increased the leakproofness of junction, carry on spacingly through a plurality of spacer pins to the junction moreover, increased the steadiness of connecting.

Drawings

Fig. 1 is a schematic structural view of an isolator sealing and butting device according to the present invention;

fig. 2 is a schematic structural diagram of an isolator body of the isolator sealing and butting device provided by the present invention;

fig. 3 is a schematic structural diagram of an isolator housing of the isolator sealing and butting device according to the present invention;

fig. 4 is an enlarged view of a structure shown in fig. 3.

In the figure: the device comprises a limiting pin cover 1, a trapezoidal butt plate 2, a trapezoidal catching groove 3, an isolator cover 4, an isolator shell 5, a sealed edge 6, a limiting hole 7, an embedding cavity 8, a limiting rod 9, a spring 10 and a limiting pin 11.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the sealed butt joint device for the isolator comprises an isolator shell 5, an isolator cap 4 is arranged at the upper end of the isolator shell 5, the butt joint device is fixedly connected to the upper end of the isolator shell 5, and a plurality of limiting mechanisms are arranged on the side wall of the isolator cap 4.

Wherein, interfacing apparatus includes trapezoidal buttcover plate 2 of fixed connection in 5 upper ends of isolator casing, fixedly connected with seal edge 6 on trapezoidal buttcover plate 2's the lateral wall, seal edge 6 sets up along trapezoidal buttcover plate 2's lateral wall, can increase the leakproofness in the butt joint, the lower extreme of isolator block 4 is equipped with trapezoidal catching groove 3, be provided with embedding chamber 8 along its edge on trapezoidal catching groove 3's the lateral wall, 8 concrete shapes in embedding chamber are trapezoidal cavity grooves, the notch sets up along trapezoidal catching groove 3's lower extreme, seal edge 6 is located embedding chamber 8, seal edge 6 offsets with embedding chamber 8's inner wall, when seal edge 6 offsets with embedding chamber 8 inner wall, can increase the leakproofness.

Wherein, the limiting mechanism comprises a limiting pin 11 which is arranged on the side wall of the isolator cap 4 in a penetrating way, one end of the limiting pin 11 which is arranged in the isolator cap 4 extends into the embedding cavity 8 in a penetrating way, one end of the limiting pin 11 which is arranged on the outer side of the isolator cap 4 is fixedly connected with a limiting pin cap 1, two springs 10 are elastically connected between the limiting pin cap 1 and the side wall of the isolator cap 4, two limiting rods 9 are fixedly connected on the side wall of the isolator cap 4, the two limiting rods 9 are respectively arranged in the two springs 10, the two limiting rods 9 play a role in limiting and guiding the two springs 10, the two springs 10 are prevented from generating unstable deformation except for the vertical direction, when the trapezoidal butt joint plate 2 is butted with the trapezoidal catching groove 3, the sealing edge 6 enters the embedding cavity 8 which is arranged at the lower end of the trapezoidal catching groove 3, and the plurality of limiting pins 11 can be ejected out of the embedding cavity 8 when, the springs 10 elastically connected to the stopper pin caps 1 are deformed.

Specifically, when the seal edge 6 is located the embedding chamber 8, the one end that a plurality of spacer pins 11 are located the embedding chamber 8 runs through the spacing hole 7 on the seal edge 6 of corresponding position respectively, when a plurality of spacing holes 7 that set up on the seal edge 6 lateral wall move the position that a plurality of spacer pins 11 correspond, a plurality of springs 10 have lost the power of outside top power, because the elasticity of a plurality of springs 10, thereby let spacer pins 11 enter into spacing to seal edge 6 in the spacing hole 7 that is right.

Specifically, when the isolator cap 4 is connected with the isolator shell 5, the trapezoidal butt plate 2 and the trapezoidal catching groove 3 are complementary in shape, and when the isolator cap 4 is butted with the isolator shell 5, the trapezoidal butt plate 2 and the trapezoidal catching groove 3 are complementary to form the side face of the isolator.

Specifically, the one end design that the spacer pin 11 is located in embedding chamber 8 is circular-arc, and when the sealing edge 6 entered into embedding chamber 8 and extruded a plurality of spacer pins 11, circular-arc end can let more smoothly of spacer pin 11 motion.

The utility model discloses in, at first operating personnel aims at isolator block 4 and isolator casing 5, then let trapezoidal butt plate 2 enter into trapezoidal catching groove 3 in, sealed banding 6 enters into the embedding chamber 8 that 3 lower extremes of trapezoidal catching groove set up, with a plurality of spacer pins 11 extrusion embedding chamber 8, when a plurality of spacing holes 7 on the 6 lateral walls of sealed banding move the position that a plurality of spacer pins 11 correspond, a plurality of spacer pins 11 can kick-back toward embedding chamber 8 under the spring action of two springs 10, a plurality of spacer pins 11 enter into each spacing hole 7 in proper order, thereby accomplish the sealing connection between isolator block 4 and the isolator casing 5.

This also applies to circulators.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Sealed interfacing apparatus of isolator, including isolator casing (5), its characterized in that, the upper end of isolator casing (5) is equipped with isolator block (4), the upper end fixedly connected with interfacing apparatus of isolator casing (5), be equipped with a plurality of stop gear on the lateral wall of isolator block (4).

2. The sealed butting device for isolators according to claim 1, wherein the butting device comprises a trapezoidal butt plate (2) fixedly connected to the upper end of an isolator shell (5), a sealed edge sealing edge (6) is fixedly connected to the side wall of the trapezoidal butt plate (2), a trapezoidal buckling groove (3) is formed in the lower end of the isolator cap (4), an embedded cavity (8) is formed in the side wall of the trapezoidal buckling groove (3) along the edge of the trapezoidal buckling groove, the sealed edge sealing edge (6) is located in the embedded cavity (8), and the sealed edge sealing edge (6) abuts against the inner wall of the embedded cavity (8).

3. The sealed butt-joint device of isolator according to claim 2, characterized in that the limiting mechanism comprises a limiting pin (11) penetrating the side wall of the isolator cap (4), one end of the limiting pin (11) located in the isolator cap (4) extends into the embedding cavity (8), one end of the limiting pin (11) located outside the isolator cap (4) is fixedly connected with the limiting pin cap (1), two springs (10) are elastically connected between the limiting pin cap (1) and the side wall of the isolator cap (4), two limiting rods (9) are fixedly connected to the side wall of the isolator cap (4), and the two limiting rods (9) are respectively located in the two springs (10).

4. The device for the sealed butt joint of the isolators according to claim 3, wherein when the sealing edge (6) is located in the embedding cavity (8), one ends of the plurality of limiting pins (11) located in the embedding cavity (8) respectively penetrate through the limiting holes (7) of the sealing edge (6) at the corresponding positions.

5. Isolator seal docking device according to claim 2, characterized in that the trapezoidal docking plate (2) is complementary in shape to the trapezoidal snap groove (3) when the isolator cap (4) is connected to the isolator housing (5).

6. The sealed isolator joint according to claim 3, characterized in that the end of the limit pin (11) inside the embedding cavity (8) is designed in a circular arc shape.