CN220585522U

CN220585522U - Double-spliced bushing with grounding and insulation

Info

Publication number: CN220585522U
Application number: CN202322317810.7U
Authority: CN
Inventors: 黄俊杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-12
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of bushings, in particular to a double-spliced bushing with grounding and insulation, which comprises a first bushing and a second bushing, wherein one ends of the first bushing and the second bushing are fixedly connected through assembly screws, and the first bushing and the second bushing are used for being sleeved on two sides of the outer part of one end of a metal conduit with threads; the one end integrated into one piece that the assembly screw was kept away from to first bush has the lug, one side integrated into one piece that the second bush is close to the lug has the buckle, the trompil groove has been offered in the middle part penetration of buckle, the lug is articulated with the trompil groove. Compared with the traditional installation mode, the utility model can achieve the purposes of saving time and labor and saving cost.

Description

Double-spliced bushing with grounding and insulation

Technical Field

The utility model relates to the technical field of bushings, in particular to a double-spliced bushing with grounding and insulation.

Background

The grounding insulating bush is generally arranged at the tail end of the metal wire passing pipe, plays roles of grounding, shielding signal interference and insulation, sometimes the grounding insulating bush is needed to be assembled or disassembled and maintained later after the grounding insulating bush is neglected or engineering is completed, at the moment, the wires or cables are already installed, the double-spliced bush needs to be penetrated through the wires or cables, and then the double-spliced bush is fixed at the tail end of the wire passing pipe;

one end of the first bushing and one end of the second bushing are fixedly hinged and rotated through additional parts such as pins or screws, the process is complex, and the additional part cost and the assembly cost are additionally increased; the insulating throat cover is fixedly arranged on the bushing through the buckle, and belongs to the detachable type, if external force is mistakenly contacted with the insulating throat cover or the insulating throat cover is at high temperature for a long time, the insulating throat cover can possibly separate from the bushing, and the end face of the bushing loses the insulating effect.

Disclosure of Invention

The present utility model aims to provide a double-spliced bushing with grounding and insulation to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a double-split bushing with grounding and insulation comprising

The first bushing and the second bushing are fixedly connected with one end of the first bushing and one end of the second bushing through assembly screws, and the first bushing and the second bushing are used for being sleeved on two sides of the outer part of one end of the threaded metal conduit; the first bushing is provided with a lug at one end far away from the assembly screw, the second bushing is provided with a buckle at one side close to the lug, the middle part of the buckle is provided with an open slot in a penetrating way, and the lug is hinged with the open slot;

an insulating throat sleeve is arranged on one side of the first bushing and the second bushing far away from the threaded metal conduit, two ends of the insulating throat sleeve are clamped and fixed, the middle part of one end of the first bushing away from the second bushing is fixedly provided with a pressing plate through a mounting screw, and the bottom end of the pressing plate is in threaded connection with a grounding screw.

Preferably, the outer sides of the two ends of the two insulating laryngeal cuffs are respectively provided with a connecting groove, and the connecting grooves at the two ends of the two insulating laryngeal cuffs are clamped;

preferably, the two sides of the outer wall of the two insulating laryngeal cuffs are integrally formed with reinforcing ribs, and tongue grooves are formed at the two ends of the inner wall of one side of the first bushing and the second bushing, which is far away from the threaded metal conduit;

preferably, the second bushing is provided with a latch integrally formed at the inner wall of one side of the second bushing, which is close to the threaded metal conduit, and the latch is in crafty connection with a thread groove at the outer side of the threaded metal conduit;

preferably, a conductive sheet is arranged between the first bushing and the second bushing and positioned outside the assembly screw, and the conductive sheet is movably sleeved with the assembly screw;

preferably, a through groove is penetrated and formed in one side, close to the pressing plate, of the first bushing, a fastening screw is connected to the inner thread of the through groove, and the end head of the fastening screw is arranged on the outer side surface of the threaded metal conduit;

preferably, the inner sides of the buckles are provided with arc-shaped inner grooves at two ends close to the open pore groove;

preferably, the insulating laryngeal cuff is fixed to the end faces of the first bush and the second bush by means of heat fusion or ultrasonic waves.

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

this take ground connection and insulating two piece together formula bush can play labour saving and time saving and cost saving's purpose with first bush and second bush through articulated mode, and wherein insulating laryngeal cuff is fixed on the bush terminal surface through the mode of joint, and is very firm mounting mode formula, can avoid unexpected and bush to break away from.

Drawings

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic top view of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the overall side view of the present utility model;

FIG. 4 is a schematic view of an insulating laryngeal cuff mounting structure of the present utility model;

FIG. 5 is a schematic view of a latch mounting structure according to the present utility model;

FIG. 6 is a schematic view of a stiffener mounting structure according to the present utility model;

FIG. 7 is a schematic view of a bump mounting structure according to the present utility model;

fig. 8 is a schematic diagram of a tongue-and-groove mounting structure of the present utility model.

In the figure: 1. a threaded metal conduit; 2. a first bushing; 3. a second bushing; 4. assembling a screw; 5. a bump; 6. a buckle; 7. a hole opening groove; 8. an insulating laryngeal cuff; 9. installing a screw; 10. a pressing plate; 11. a grounding screw; 12. a connection groove; 13. reinforcing ribs; 14. tongue grooves; 15. latch teeth; 16. a conductive sheet; 17. penetrating a groove; 18. and (5) fastening a screw.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples and are not intended to limit the scope of protection of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that there may be three relationships, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

In the present application, the expressions "greater than", "less than", "exceeding", etc. are understood to exclude this number; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "plurality of" is two or more (including two), and similarly, the expression "multitool" is also to be understood as such, for example, "plural sets", "plural times", etc., unless otherwise specifically defined.

In the description of the embodiments of the present application, spatially relative terms such as "center knife" longitudinal "," transverse "," length "," width "," thickness "," up "," down "," front "," rear "," left "," right "," vertical "," horizontal "," vertical "," top "," bottom "," inner "," outer "," clockwise "," counter-clockwise "," axial "," radial "," circumferential ", etc., are used, and the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the specific embodiments or figures, merely for convenience of description of the specific embodiments of the present application or for ease of understanding of the reader, and do not indicate or imply that the device or component in question must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.

As shown in fig. 1-8, the present utility model provides a technical solution:

the double-spliced bushing with the grounding and the insulation comprises a first bushing 2 and a second bushing 3, wherein one ends of the first bushing 2 and the second bushing 3 are fixedly connected through assembly screws 4, and the first bushing 2 and the second bushing 3 are used for being sleeved on two sides of the outer part of one end of a threaded metal conduit 1. One end integrated into one piece that assembly screw 4 was kept away from to first bush 2 has lug 5, and one side integrated into one piece that second bush 3 is close to lug 5 has buckle 6, and trompil groove 7 has been seted up in the middle part penetration of buckle 6, and lug 5 is articulated with trompil groove 7. Specifically, the one end integrated into one piece of first bush 2 has lug 5, and the one end integrated into one piece of second bush 3 has buckle 6, and buckle 6 middle part sets up trompil groove 7, during the installation, stretches the lug 5 of first bush 2 one end into the trompil inslot 7 at the one end buckle 6 middle part of second bush 3 to form a hinge structure, just so when the installation, need not extra part. It can be appreciated that compared with the traditional installation mode, one ends of the two bushings are fixedly hinged and rotated through additional parts such as pins or screws, the process is complicated, the additional part cost and the assembly cost are increased, and the device can achieve the purposes of saving time and labor and saving cost in a hinged mode. As shown in fig. 4 and 5, the side of the first bushing 2 and the second bushing 3 far away from the threaded metal conduit 1 is provided with an insulating throat sleeve 8, two ends of the two insulating throat sleeves 8 are fixedly clamped, a pressing plate 10 is fixedly installed in the middle of one end of the first bushing 2 far away from the second bushing 3 through a mounting screw 9, the bottom end of the pressing plate 10 is in threaded connection with a grounding screw 11, connecting grooves 12 are formed in the outer sides of the two ends of the two insulating throat sleeves 8, the connecting grooves 12 at the two ends of the two insulating throat sleeves 8 are clamped, reinforcing ribs 13 are uniformly formed on two sides of the outer wall of the two insulating throat sleeves 8, tongue grooves 14 are formed in the two ends of the inner wall of the side of the first bushing 2 and the second bushing 3 far away from the threaded metal conduit 1, and the insulating throat sleeve 8 is fixed on the end faces of the first bushing 2 and the second bushing 3 in a hot melting or ultrasonic mode. The device can achieve the purposes of saving time and labor and saving cost by hinging the first bushing and the second bushing. The insulating laryngeal mask is fixed on the end face of the bushing in a clamping manner, is very firm in installation manner, and can avoid unexpected detachment from the bushing.

Wherein, the clamp plate 10 and the grounding screw 11 on the first bushing 2 are grounding components, the clamp plate 10 is fixedly arranged on the outer side of the first bushing 2 through the mounting screw 9, and the grounding screw 11 on the clamp plate 10 can lock a grounding wire, so that better grounding performance is achieved for the threaded metal conduit 1 and the first bushing 2 and the second bushing 3.

Specifically, two insulating laryngeal casings 8 are respectively installed on the first lining 2 and the second lining 3, the reinforcing ribs 13 on two sides of the outer wall of the two insulating laryngeal casings 8 are pressed out by means of hot melting or ultrasonic waves to form a tongue piece which is larger than the section of the reinforcing ribs 13, and the tongue piece can be clamped on one side, far away from the reinforcing ribs 13, of the tongue groove 14, so that the tongue piece can fix the insulating laryngeal casings 8 with the first lining 2 and the second lining 3 into a whole, when the insulating laryngeal casings 8 are respectively installed on one side of the first lining 2 and one side of the second lining 3, and after the first lining 2 and the second lining 3 are assembled and fixed, the connecting grooves 12 on two ends of the two insulating laryngeal casings 8 are matched to form a closed and continuous insulating inner circle, and a broken insulating inner circle does not exist between the insulating laryngeal casings 8.

It can be understood that, compared with the traditional installation mode, the device is fixed on the bushing through the clamping type, and is detachable, however, the external force is in error contact with the laryngeal sleeve or can lead the laryngeal sleeve to be separated from the bushing under long-term high temperature, so that the end face of the bushing loses the insulation effect, and the device fixes the insulating laryngeal sleeve 8 on the end face of the bushing through the hot melting or ultrasonic mode, so that the device is not detachable and can avoid unexpected separation from the bushing.

As shown in fig. 5, 7 and 8, the inner wall of the side of the second bushing 3, which is close to the threaded metal conduit 1, is integrally formed with a latch 15, the latch 15 is in crafty connection with a thread groove on the outer side of the threaded metal conduit 1, one side of the first bushing 2, which is close to the pressing plate 10, is penetrated and provided with a through groove 17, the inside thread of the through groove 17 is connected with a fastening screw 18, and the end head of the fastening screw 18 is arranged on the outer side surface of the threaded metal conduit 1.

Specifically, the fastening screw 18 on the first bushing 2 is extruded onto the threaded groove on the outer side of the threaded metal conduit 1, so that the first bushing 2 and the second bushing 3 are tightly attached to the threaded metal conduit 1, and in addition, the latch 15 on the inner wall of the second bushing 3 can be tightly fixed with the threads on the outer wall of the threaded metal conduit 1 to form a back-off, so that the first bushing 2 and the second bushing 3 are fixedly attached to the threaded metal conduit 1, and the two fixing attachment can also provide conductivity between the threaded metal conduit 1 and the first bushing 2 and the second bushing 3.

As shown in fig. 3, a conductive sheet 16 is arranged between the first bushing 2 and the second bushing 3 and positioned outside the assembly screw 4, and the conductive sheet 16 is movably sleeved with the assembly screw 4;

specifically, during installation, one end of the conductive sheet 16 is installed between the first bushing 2 and the assembly screw 4, and the other end of the conductive sheet 16 is installed between the first bushing 2 and the second bushing 3, and after the assembly screw 4 is locked, the conductive sheet 16 is in close contact with the first bushing 2 and the second bushing 3.

It will be appreciated that the addition of a conductive sheet 16 between the first bushing 2 and the second bushing 3, secured at one end thereof by the assembly screw 4, further enhances the electrical conductivity between the first bushing 2 and the second bushing 3, thereby enhancing the overall bushing grounding.

As shown in fig. 8, the inner sides of the buckles 6 are provided with arc-shaped inner grooves near the two ends of the open-pore groove 7.

Specifically, arc-shaped inner grooves are formed in the inner side of the buckle 6 and close to the two ends of the open pore groove 7, the protruding block 5 is sleeved into the open pore groove 7 and can be guided in a sliding mode along the arc-shaped inner grooves, a certain guiding effect can be achieved, and the hinge is more convenient.

In some comprehensive embodiments, one end of the first bushing 2 is integrally formed with a bump 5, one end of the second bushing 3 is integrally formed with a buckle 6, the middle part of the buckle 6 is provided with an open slot 7, when in installation, the bump 5 at one end of the first bushing 2 is extended into the open slot 7 in the middle part of the buckle 6 at one end of the second bushing 3, thereby forming a hinged structure, thus no extra part is needed when in installation, a pressing plate 10 and a grounding screw 11 on the first bushing 2 are grounding components, the pressing plate 10 is fixedly arranged on the outer side of the first bushing 2 through the installation screw 9, the grounding screw 11 on the pressing plate 10 can lock a grounding wire, thereby playing better grounding performance for the threaded metal conduit 1 and the first bushing 2 and the second bushing 3, two insulating laryngeal sleeves 8 are respectively arranged on the first bushing 2 and the second bushing 3, the reinforcing ribs 13 on the two sides of the outer wall of the two insulating laryngeal casings 8 are pressed out into a tongue piece with a section larger than that of the reinforcing ribs 13 in a hot melting or ultrasonic mode, and the tongue piece is clamped on one side of the tongue groove 14 far away from the reinforcing ribs 13, so that the tongue piece can fix the insulating laryngeal casings 8 and the first bushing 2 and the second bushing 3 into a whole, when the insulating laryngeal casings 8 are respectively arranged on one side of the first bushing 2 and one side of the second bushing 3, and after the first bushing 2 and the second bushing 3 are assembled and fixed, the connecting grooves 12 on the two ends of the two insulating laryngeal casings 8 are matched to form a closed and continuous insulating inner circle, the insulating inner circle with no break exists between the insulating laryngeal casings 8, the fastening screw 18 on the first bushing 2 is extruded on the threaded groove on the outer side of the threaded metal conduit 1, so that the first bushing 2 and the second bushing 3 are tightly adhered together with the threaded metal conduit 1, in addition, the latch 15 on the inner wall of the second bushing 3 can be tightly fixed with the screw thread on the outer wall of the threaded metal conduit 1 to form a back-off, so that the first bushing 2 and the second bushing 3 are fixedly attached with the threaded metal conduit 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Double-spliced bushing with grounding and insulation, and is characterized in that: comprising

The first bushing and the second bushing are fixedly connected with one end of the first bushing and one end of the second bushing through assembly screws, and the first bushing and the second bushing are used for being sleeved on two sides of the outer part of one end of the threaded metal conduit;

the first bushing is provided with a lug at one end far away from the assembly screw, the second bushing is provided with a buckle at one side close to the lug, the middle part of the buckle is provided with an open slot in a penetrating way, and the lug is hinged with the open slot;

2. The dual split bushing with ground and insulation of claim 1, wherein: the outer sides of the two ends of the insulating laryngeal glove are respectively provided with a connecting groove, and the connecting grooves at the two ends of the insulating laryngeal glove are connected in a clamping manner.

3. The dual split bushing with ground and insulation of claim 1, wherein: the two outer wall both sides of insulating laryngeal glove integrated into one piece has the strengthening rib, tongue grooves have all been seted up at one side inner wall both ends that first bush and second bush kept away from threaded metal conduit.

4. The dual split bushing with ground and insulation of claim 1, wherein: and the second bushing is integrally formed with a latch at the inner wall of one side of the second bushing, which is close to the threaded metal conduit, and the latch is in crafty connection with a thread groove at the outer side of the threaded metal conduit.

5. The dual split bushing with ground and insulation of claim 1, wherein: the first bushing and the second bushing are positioned between the outer parts of the assembly screws, and the conductive sheet is movably sleeved with the assembly screws.

6. The dual split bushing with ground and insulation of claim 1, wherein: the side of the first bushing, which is close to the pressing plate, is penetrated and provided with a through groove, the inside thread of the through groove is connected with a fastening screw, and the end head of the fastening screw is arranged on the outer side surface of the threaded metal conduit.

7. The dual split bushing with ground and insulation of claim 1, wherein: and arc-shaped inner grooves are formed in the inner sides of the buckles and close to the two ends of the open-pore grooves.

8. The dual split bushing with ground and insulation of claim 1, wherein: the insulating laryngeal mask is fixed on the end faces of the first bushing and the second bushing in a hot melting or ultrasonic mode.