CN219498148U

CN219498148U - Communication double-cavity isolator cavity

Info

Publication number: CN219498148U
Application number: CN202320401513.8U
Authority: CN
Inventors: 邓戬; 刘义
Original assignee: Zhuzhou Lixin Communication Technology Co ltd
Current assignee: Zhuzhou Lixin Communication Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-08
Anticipated expiration: 2033-03-03

Abstract

The utility model belongs to the technical field of isolator cavities, and discloses a communication double-cavity isolator cavity which comprises a base and a positioning assembly, wherein two fixing blocks are symmetrically fixed on the upper end surface of the base, and slots are formed in one side, opposite to the two fixing blocks, of the base; the accommodating cylinder can be connected to the upper end face of the base, the accommodating cylinder comprises a lower cylinder body and an upper cylinder body which are spliced, the accommodating cylinder is arranged between two fixed blocks, the bottom end of the outer wall of the accommodating cylinder is connected with an inserting block which can be inserted into a slot, and the positioning component is used for limiting the position of the accommodating cylinder after the inserting block is inserted into the slot. The accommodating cylinder is in portable connection with the base, and can be quickly taken out for maintenance of the double-cavity communication isolator under the condition of not dismantling the base, wherein when the accommodating cylinder is fixed on the base, the accommodating cylinder can be rotated, and the insert block can be rotated into the slot formed in the insert fixing block, so that the position of the accommodating cylinder can be primarily limited.

Description

Communication double-cavity isolator cavity

Technical Field

The utility model belongs to the technical field of isolator cavities, and particularly relates to a communication double-cavity isolator cavity.

Background

The double-cavity communication isolator is an important component in an industrial control system, and is an isolator which adopts a linear optocoupler isolation principle to convert and output an input signal. The input, output and working power supply are mutually isolated, and the dual-cavity communication isolator is suitable for being matched with equipment and meters needing to be electrically isolated, can realize the duplex function of transmitting and receiving signals by the same circuit, and can protect elements in the circuit from being damaged by useless signals.

The outside protection cavity of current isolator adopts integral type structure more to adopt screw or welded mode to fix the protection cavity on the base, be convenient for take out fast of inside double-chamber communication isolator and maintain, and after the cavity damages, the cavity of integral type can only wholly abandon the change, comparatively waste resource.

Disclosure of Invention

The utility model aims to provide a communication double-cavity isolator cavity to solve the problems that the external protection cavity of the prior isolator proposed in the background art is mostly of an integrated structure, and the cavity is fixed on a base by adopting a screw or welding mode, so that the isolator is inconvenient to take out and maintain quickly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a communication dual-cavity isolator cavity comprising:

the base is characterized in that two fixing blocks are symmetrically fixed on the upper end face of the base, and slots are formed in one side, opposite to the two fixing blocks, of the base;

the accommodating cylinder can be connected to the upper end face of the base and comprises a lower cylinder body and an upper cylinder body which are spliced, the accommodating cylinder is positioned between the two fixed blocks, and the bottom end of the outer wall of the accommodating cylinder is connected with an inserting block which can be inserted into the slot;

and the positioning assembly is used for limiting the position of the containing cylinder after the insertion block is inserted into the slot.

Preferably, the positioning assembly is symmetrically provided with two groups, and each group of positioning assembly comprises:

the device comprises a first fixing plate fixed on the outer wall of a lower cylinder and a second fixing plate fixed on the bottom end of the outer wall of an upper cylinder, wherein the second fixing plate is positioned right above the first fixing plate, and the first fixing plate and the second fixing plate are provided with perforations;

a movable rod penetrating the perforation;

the locating groove is arranged on the upper end face of the base, and the bottom end of the movable rod can be embedded into the locating groove.

Preferably, a connecting plate is fixed between the first fixing plate and the second fixing plate outside the movable rod, and a spring is sleeved between the first fixing plate and the connecting plate outside the movable rod.

Preferably, the top of lower barrel is fixed with the butt joint strip, the butt joint groove has been seted up to the bottom of last barrel, the outer wall lower extreme of last barrel closes soon and is connected with the fastening screw that runs through the butt joint strip.

Preferably, the width of the slot is tapered from its front outer end to its inner end.

Preferably, a mounting hole is formed in the position, close to the edge, of the upper end face of the base.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The accommodating cylinder is connected with the base in a portable manner, and can be quickly taken out to maintain the double-cavity communication isolator under the condition of not dismantling the base, wherein when the accommodating cylinder is fixed on the base, the accommodating cylinder can be rotated, the inserting block can be rotated into the inserting slot formed in the inserting fixed block, the position of the accommodating cylinder can be preliminarily limited, in addition, the accommodating cylinder is assembled by two parts, and the part where the accommodating cylinder is located can be replaced after being partially damaged, so that resources are saved.

(2) According to the utility model, the positioning assembly is additionally arranged, when the accommodating cylinder is fixed on the base, the movable rod can be pulled up firstly, the spring is in a compressed state at the moment, then the accommodating cylinder is rotated, the pulled-up movable rod is released after the inserting block is embedded into the slot, the bottom end of the movable rod can be driven to be embedded into the positioning slot in the process of restoring the spring to the original state, the accommodating cylinder can be effectively limited, the inserting block is prevented from sliding out of the slot, and the stability of the accommodating cylinder is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a containment drum of the present utility model;

FIG. 3 is a top view of the base of the present utility model;

FIG. 4 is a top view of a second securing plate according to the present utility model;

FIG. 5 is a side view of a mounting block of the present utility model;

fig. 6 is an enlarged view of a portion a in fig. 2;

in the figure: 1. a base; 2. a receiving cylinder; 201. a lower cylinder; 202. an upper cylinder; 3. a fixed block; 4. inserting blocks; 5. a first fixing plate; 6. a second fixing plate; 7. a movable rod; 8. a connecting plate; 9. a spring; 10. butt joint strips; 11. a mounting hole; 12. a positioning groove; 13. perforating; 14. a slot; 15. and a butt joint groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3 and fig. 5, the present utility model provides the following technical solutions: a communication dual-cavity isolator cavity comprising:

the base 1, the upper end surface of the base 1 is close to the position of the edge and provided with a mounting hole 11, the base 1 can be stably fixed by utilizing the mounting hole 11, the upper end surface of the base 1 is symmetrically fixed with two fixed blocks 3, and one side opposite to the two fixed blocks 3 is provided with a slot 14;

the accommodating cylinder 2 can be connected to the upper end face of the base 1, the accommodating cylinder 2 comprises a lower cylinder 201 and an upper cylinder 202 which are spliced, the accommodating cylinder 2 is positioned between the two fixed blocks 3, the bottom end of the outer wall of the accommodating cylinder 2 is connected with an inserting block 4 which can be inserted into the inserting groove 14, and the width of the inserting groove 14 is gradually reduced from the outer port of the front side to the inner end of the inserting groove;

through the technical scheme:

when the accommodating cylinder 2 is fixed on the base 1, the accommodating cylinder 2 can be rotated, the insert block 4 can be rotated into the slot 14 formed in the inserting fixed block 3, and the position of the accommodating cylinder 2 can be primarily limited, wherein the change of the width of the slot 14 ensures that the higher the inner end of the slot 14 is, the higher the stability of the insert block 4 is.

Referring to fig. 2 and 6, a butt joint strip 10 is fixed at the top end of the lower cylinder 201, a butt joint groove 15 is provided at the bottom end of the upper cylinder 202, and a fastening screw penetrating through the butt joint strip 10 is screwed at the lower end of the outer wall of the upper cylinder 202;

when the dual-cavity communication isolator is placed, the dual-cavity communication isolator can be placed in the lower cylinder 201, then the upper cylinder 202 is arranged, when the upper cylinder 202 is arranged, the butt joint strip 10 can be aligned to the butt joint groove 15 for insertion, so that the butt joint accuracy of the upper cylinder 202 and the lower cylinder 201 can be effectively ensured, dislocation is not easy to occur, and the rapid screwing of a subsequent fastening screw is facilitated.

In addition, the accommodating cylinder 2 is assembled by two parts, and the part can be replaced after being partially damaged, so that resources are saved.

Referring to fig. 1 and 3-4, the isolator housing further includes a positioning assembly for defining the position of the receiving cylinder 2 after the insert 4 is inserted into the slot 14.

Wherein, locating component symmetry is equipped with two sets of, and every locating component of group all includes:

the first fixing plate 5 fixed on the outer wall of the lower cylinder 201 and the second fixing plate 6 fixed on the bottom end of the outer wall of the upper cylinder 202, the second fixing plate 6 is positioned right above the first fixing plate 5, and the first fixing plate 5 and the second fixing plate 6 are provided with perforations 13;

the pull ring is fixed at the top end of the movable rod 7, the movable rod 7 is pulled up by the pull ring, so that the hand can apply force conveniently, a connecting plate 8 is fixed outside the movable rod 7 and between the first fixed plate 5 and the second fixed plate 6, and a spring 9 is sleeved outside the movable rod 7 and between the first fixed plate 5 and the connecting plate 8;

the positioning groove 12 is arranged on the upper end surface of the base 1, and the bottom end of the movable rod 7 can be embedded into the positioning groove 12 in the natural state of the spring 9.

Through the technical scheme:

when the accommodating cylinder 2 is fixed on the base 1, the movable rod 7 can be pulled up by the pull ring, the spring 9 is in a compressed state at the moment, then the accommodating cylinder 2 is rotated, the pulled-up movable rod 7 is loosened after the insert block 4 is embedded into the slot 14, the bottom end of the movable rod 7 can be driven to be embedded into the positioning groove 12 in the process of restoring the original state of the spring 9, the accommodating cylinder 2 can be effectively limited, and the insert block 4 is prevented from sliding out of the slot 14.

When the accommodating cylinder 2 needs to be detached from the base 1, the movable rod 7 can be pulled up by using the pull ring, the bottom end of the movable rod 7 is separated from the positioning groove 12, then the accommodating cylinder 2 is rotated, the insert block 4 is rotated out of the slot 14, and the accommodating cylinder is convenient and does not need to screw more bolts.

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

Claims

1. A communication dual-cavity isolator cavity comprising:

the base (1), the up end of the base (1) is symmetrically fixed with two fixed blocks (3), the opposite sides of the two fixed blocks (3) are provided with slots (14);

the accommodating cylinder (2) can be connected to the upper end face of the base (1), the accommodating cylinder (2) comprises a lower cylinder body (201) and an upper cylinder body (202) which are spliced, the accommodating cylinder (2) is positioned between two fixed blocks (3), and the bottom end of the outer wall of the accommodating cylinder (2) is connected with an inserting block (4) which can be inserted into the inserting groove (14);

and the positioning assembly is used for limiting the position of the containing cylinder (2) after the inserting block (4) is inserted into the inserting groove (14).

2. A communication dual-chamber isolator cavity as in claim 1, wherein: the locating component symmetry is equipped with two sets of, every group locating component all includes:

the device comprises a first fixing plate (5) fixed on the outer wall of a lower cylinder (201) and a second fixing plate (6) fixed on the bottom end of the outer wall of an upper cylinder (202), wherein the second fixing plate (6) is positioned right above the first fixing plate (5), and the first fixing plate (5) and the second fixing plate (6) are provided with perforations (13);

a movable rod (7) penetrating the through hole (13);

the positioning groove (12) is formed in the upper end face of the base (1), and the bottom end of the movable rod (7) can be embedded into the positioning groove (12).

3. A communication dual-chamber isolator as claimed in claim 2, wherein: the movable rod (7) is arranged outside and positioned between the first fixed plate (5) and the second fixed plate (6), a connecting plate (8) is fixed, and a spring (9) is sleeved outside the movable rod (7) and positioned between the first fixed plate (5) and the connecting plate (8).

4. A communication dual-chamber isolator cavity as in claim 3, wherein: the top of lower barrel (201) is fixed with butt joint strip (10), butt joint groove (15) have been seted up to the bottom of last barrel (202), the outer wall lower extreme of last barrel (202) closes soon and is connected with the fastening screw that runs through butt joint strip (10).

5. The communication dual-chamber isolator cavity of claim 4, wherein: the width of the slot (14) gradually decreases from the front side outer port to the inner end.

6. A communication dual-chamber isolator as in claim 5, wherein: the upper end face of the base (1) is provided with a mounting hole (11) near the edge.