阅读说明：本技术 一种便捷式继电保护连片 (Portable relay protection is even piece ) 是由 李亚洲 余恒 余斐 胡正建 李国平 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种便捷式继电保护连片,包括上固定连片、上限位片组、下固定连片、下限位片组、活动连片、旋钮、连接杆、弹性件；上限位片组安装在上固定连片第二端的内侧；上固定连片的第一端和下固定连片的第一端均与屏柜面板连接；本发明通过旋钮的旋转调整活动连片的位置,通过旋钮、连接杆、弹性件的配合作用,当向下按压旋钮时候可以将活动连片从上固定连片与下固定连片之间的开口处推入,再旋转活动连片,再松手即可将固定连片的两端分别卡入上限位片组、下限位片组内,本申请的操作只需要轻微的旋转和按压旋钮即可实现,避免采用现有技术中松紧螺帽的繁琐和耗时；亦避免采用螺帽固定可能出现的松动导致的接触不良。(The invention discloses a portable relay protection connecting piece which comprises an upper fixed connecting piece, an upper limiting piece group, a lower fixed connecting piece, a lower limiting piece group, a movable connecting piece, a knob, a connecting rod and an elastic piece, wherein the upper limiting piece group is connected with the upper limiting piece group; the upper limiting sheet group is arranged on the inner side of the second end of the upper fixed connecting sheet; the first end of the upper fixing connecting piece and the first end of the lower fixing connecting piece are both connected with the panel of the screen cabinet; according to the invention, the position of the movable connecting piece is adjusted through the rotation of the knob, through the matching effect of the knob, the connecting rod and the elastic piece, when the knob is pressed downwards, the movable connecting piece can be pushed in from the opening between the upper fixed connecting piece and the lower fixed connecting piece, then the movable connecting piece is rotated, and then the two ends of the fixed connecting piece can be respectively clamped into the upper limiting piece group and the lower limiting piece group by loosening hands, so that the operation of the invention can be realized only by slightly rotating and pressing the knob, and the complexity and time consumption of loosening a nut in the prior art are avoided; and poor contact caused by loosening possibly caused by adopting the nut for fixing is also avoided.)

1. The utility model provides a portable relay protection even piece which characterized in that includes:

fixing the connecting piece;

an upper limiting sheet group; the upper limiting sheet group is arranged on the inner side of the second end of the upper fixed connecting sheet;

a lower fixing connecting piece; the upper fixing connecting piece and the lower fixing connecting piece are both formed into an L shape, and the first end of the upper fixing connecting piece and the first end of the lower fixing connecting piece are both connected with the panel of the screen cabinet; an opening for transversely pushing the movable connecting piece is formed between the second end of the upper fixed connecting piece and the second end of the lower fixed connecting piece;

a lower limiting sheet group; the lower limiting sheet group is arranged on the inner side of the second end of the lower fixed connecting sheet;

a movable connecting piece; the middle part of the inner surface of the movable connecting piece is connected with the first end of the connecting rod;

a knob; the knob is fixed on the middle part of the outer surface of the movable connecting piece;

a connecting rod;

an elastic member; the second end of the connecting rod is connected with the panel of the screen cabinet through an elastic piece;

when the connecting piece is put in, the movable connecting piece is transversely rotated and pushed in from the opening between the upper fixed connecting piece and the lower fixed connecting piece, after rotation, under the action of the resilience force of the elastic piece, the first end of the movable connecting piece is clamped into the upper limiting piece group, and the second end of the movable connecting piece is clamped into the lower limiting piece group.

2. The portable relay protection link of claim 1, wherein the resilient member is a spring.

3. The portable relay protection connecting piece according to claim 2, wherein a second thread section is arranged at a position on the connecting rod close to the second end, the second limit nut is in threaded connection with the second thread section, a limit block is arranged at the end of the second end of the connecting rod, a first through hole is formed in the panel of the screen cabinet, the diameter of the limit block is larger than that of the first through hole, the second end of the connecting rod penetrates through the first through hole, the limit block is arranged on the inner surface of the panel of the screen cabinet, and the spring is arranged between the outer surface of the panel of the screen cabinet and one end surface of the second limit nut.

4. The portable relay protection connecting piece as claimed in claim 2, wherein a first threaded section is provided at a first end of the connecting rod, a second through hole is provided at a center of the movable connecting piece, a screw hole is provided at a center of the knob, a first limit nut is threaded to the first threaded section, the first end of the connecting rod is screwed into the screw hole after passing through the second through hole, and the movable connecting piece is clamped and installed between the knob and the first limit nut.

5. The portable relay protection connecting piece as claimed in claim 1, wherein the upper and lower limiting piece sets each include two limiting pieces, a slot is formed between the two limiting pieces, and two ends of the movable connecting piece are respectively inserted into the two slots when the connecting piece is put into use.

6. The portable relay protection link of claim 1, wherein an indication line is disposed on a surface of the knob.

7. The portable relay protection connecting piece as claimed in claim 1, wherein the first end of the upper fixing connecting piece and the first end of the lower fixing connecting piece are both connected to the panel of the cabinet through an insulating sleeve.

Technical Field

The invention relates to the technical field of protection connecting piece operation of a protection device, in particular to a portable relay protection connecting piece.

Background

The relay protection connecting piece is a bridge and a link of the relay protection device in connection with external wiring, is related to the function of relay protection and whether an action outlet can normally play a role, and is one of important guarantees of safe and stable operation of a power system. Two sections of metal parts of a protection connecting piece (shown in attached figures 1 and 2) commonly used on a relay protection device in the prior art are exposed, the relay protection device in the prior art comprises a rotating column 11, an installation column 12, a tightening nut 121, an installation seat 122, a connecting piece 13 and an installation bayonet 131, the first end of the connecting piece 13 is rotatably installed on the rotating column 11, the installation bayonet 131 is arranged at the second end of the connecting piece 13, during connection, the second end of the connecting piece 13 is clamped between the tightening nut 121 and the installation seat 122 through the installation bayonet 131 and then connected through the tightening nut 121; the device has the risk of mistakenly touching adjacent connected pieces or getting an electric shock when the protection connected pieces are thrown and withdrawn and the like, the throwing and withdrawing operation of the connected pieces 13 is more complicated and time-consuming through the elastic nuts 121, and the loose of the elastic nuts possibly causes bad contact of the connected pieces when the protection device operates, so that the action of the protection device is influenced.

Therefore, a portable relay protection link needs to be developed to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and designs a portable relay protection connecting piece.

The invention realizes the purpose through the following technical scheme:

a portable relay protection link, comprising:

fixing the connecting piece;

an upper limiting sheet group; the upper limiting sheet group is arranged on the inner side of the second end of the upper fixed connecting sheet;

a lower fixing connecting piece; the upper fixing connecting piece and the lower fixing connecting piece are both formed into an L shape, and the first end of the upper fixing connecting piece and the first end of the lower fixing connecting piece are both connected with the panel of the screen cabinet; an opening for transversely pushing the movable connecting piece is formed between the second end of the upper fixed connecting piece and the second end of the lower fixed connecting piece;

a lower limiting sheet group; the lower limiting sheet group is arranged on the inner side of the second end of the lower fixed connecting sheet;

a movable connecting piece; the middle part of the inner surface of the movable connecting piece is connected with the first end of the connecting rod;

a knob; the knob is fixed on the middle part of the outer surface of the movable connecting piece;

a connecting rod;

an elastic member; the second end of the connecting rod is connected with the panel of the screen cabinet through an elastic piece;

when the connecting piece is put in, the movable connecting piece is transversely rotated and pushed in from the opening between the upper fixed connecting piece and the lower fixed connecting piece, after rotation, under the action of the resilience force of the elastic piece, the first end of the movable connecting piece is clamped into the upper limiting piece group, and the second end of the movable connecting piece is clamped into the lower limiting piece group.

The invention has the beneficial effects that:

the position of the movable connecting piece is adjusted through rotation of the knob, the movable connecting piece can be pushed in from an opening between the upper fixed connecting piece and the lower fixed connecting piece when the knob is pressed downwards through the matching effect of the knob, the connecting rod and the elastic piece, then the movable connecting piece is rotated, and then hands are loosened to clamp the two ends of the fixed connecting piece into the upper limiting piece group and the lower limiting piece group respectively; and poor contact caused by loosening possibly caused by adopting the nut for fixing is also avoided.

Drawings

FIG. 1 is a first schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of a prior art structure;

FIG. 3 is a schematic view of the unconnected state of the movable connecting piece in the present application;

FIG. 4 is a schematic view of the connection state of the movable connecting piece in the present application;

FIG. 5 is a schematic structural view of a connecting rod of the present application;

FIG. 6 is a schematic view of the connection structure of the upper fixed connecting piece, the lower fixed connecting piece and the movable connecting piece;

FIG. 7 is a schematic view of a knob according to the present application;

reference numbers in the figures: 11. rotating the column; 12. mounting a column; 121. loosening and tightening the screw cap; 122. a mounting seat; 13. connecting the slices; 131. installing a bayonet; 21. a cabinet panel; 22. fixing the connecting piece; 23. a lower fixing connecting piece; 24. an upper limiting sheet group; 25. a lower limiting sheet group; 26. a movable connecting piece; 27. a knob; 271. an indicator line; 28. a connecting rod; 281. a first thread segment; 282. a second thread segment; 283. a limiting block; 284. a first limit nut; 285. a second limit nut; 29. a spring; 210. an insulating sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements 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," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the invention refers to the accompanying drawings.

As shown in fig. 3, a portable relay protection connecting piece includes:

an upper fixing link 22;

an upper set of restraining tabs 24; the upper limit sheet group 24 is arranged at the inner side of the second end of the upper fixed connecting sheet 22;

a lower fixing link 23; the upper fixing connecting piece 22 and the lower fixing connecting piece 23 are both formed into an L shape, and the first end of the upper fixing connecting piece 22 and the first end of the lower fixing connecting piece 23 are both connected with the panel 21 of the screen cabinet; an opening for transversely pushing the movable connecting piece 26 is formed between the second end of the upper fixed connecting piece 22 and the second end of the lower fixed connecting piece 23;

a lower limiting sheet set 25; the lower limiting sheet group 25 is arranged on the inner side of the second end of the lower fixing connecting sheet 23;

a movable connecting piece 26; the middle part of the inner surface of the movable connecting piece 26 is connected with the first end of the connecting rod 28;

a knob 27; the knob 27 is fixed on the middle part of the outer surface of the movable connecting piece 26;

a connecting rod 28;

an elastic member; the second end of the connecting rod 28 is connected with the panel 21 of the screen cabinet through an elastic piece;

when the connecting piece is put in, the movable connecting piece 26 is transversely rotated and pushed in from the opening between the upper fixed connecting piece 22 and the lower fixed connecting piece 23, after rotation, under the effect of the resilience force of the elastic piece, the first end of the movable connecting piece 26 is clamped into the upper limiting piece group 24, and the second end of the movable connecting piece 26 is clamped into the lower limiting piece group 25.

As shown in fig. 3, the elastic member is a spring 29.

As shown in fig. 5, a second threaded section 282 is disposed at a position, close to the second end, of the connecting rod 28, the second limit nut 285 is in threaded connection with the second threaded section 282, a limit block 283 is disposed at an end portion of the second end of the connecting rod 28, a first through hole is disposed on the panel 21 of the screen cabinet, a diameter of the limit block 283 is larger than that of the first through hole, the second end of the connecting rod 28 passes through the first through hole, the limit block 283 is disposed on an inner surface of the panel 21 of the screen cabinet, and the spring 29 is disposed between an outer surface of the panel 21 of the screen cabinet and an end surface of the second limit nut 285.

As shown in fig. 5, a first threaded section 281 is disposed at a first end of the connecting rod 28, a second through hole is disposed at a center of the movable connecting piece 26, a screw hole is disposed at a center of the knob 27, a first limit nut 284 is in threaded connection with the first threaded section 281, the first end of the connecting rod 28 passes through the second through hole and then is screwed into the screw hole, and the movable connecting piece 26 is clamped and mounted between the knob 27 and the first limit nut 284.

As shown in fig. 6, the upper limiting sheet set 24 and the lower limiting sheet set 25 both include two limiting sheets, a slot is formed between the two limiting sheets, and two ends of the movable connecting sheet 26 are respectively clamped into the two slots when the connecting sheet is put into the slot.

As shown in fig. 7, an indication line 271 is provided on the surface of the knob 27.

As shown in fig. 3, the first end of the upper fixing piece 22 and the first end of the lower fixing piece 23 are connected to the cabinet panel 21 through the insulating sleeve 210.

It should be noted that: the contact parts of the upper fixed connecting sheet 22 and the lower fixed connecting sheet 23 and the movable connecting sheet 26 are exposed metal parts, and the rest parts of the upper fixed connecting sheet 22, the lower fixed connecting sheet 23 and the movable connecting sheet 26 are wrapped by insulating sleeves 210 or insulating sleeves.

The function realization of portable relay protection even piece:

and (3) continuous sheet feeding operation: when the connecting piece needs to be put in, the direction of the knob 27 is adjusted (for example, an indication line 271 on the surface of the knob 27 is vertical in an initial position), the movable connecting piece 26 is changed from a vertical direction to a horizontal direction, the movable connecting piece 26 is aligned with an opening between the second end of the upper fixed connecting piece 22 and the second end of the lower fixed connecting piece 23, at the moment, the knob 27 is pressed inwards, the spring 29 is compressed, after the movable connecting piece 26 passes through the upper limiting piece group 24 and the lower limiting piece group 25 inwards, the direction of the movable connecting piece 26 is changed from the horizontal direction to the vertical direction through the knob 27, then the pressing of the knob 27 is released slowly, the movable connecting piece 26 rebounds under the action of the spring 29 until the upper end of the movable connecting piece 26 is clamped into the clamping groove of the upper limiting piece group 24 and the lower end of the movable connecting piece 26 is clamped into the clamping groove of the lower limiting piece group 25, at the moment, the spring 29 applies outward acting force to the movable connecting piece 26, and the upper fixed connecting piece 22 and the lower fixed connecting piece 22 are ensured by the elastic potential energy of the spring 29, The metal parts of the lower fixed connecting piece 23 are reliably contacted, and the connecting piece throwing function is realized. Fig. 5 is a schematic view showing a final continuous piece throwing state.

And (3) continuous sheet withdrawing operation: the above steps are only required to be operated reversely. Fig. 4 is a schematic diagram showing the final ejection state of the connected piece.

Detailed description of the various components:

panel of screen cabinet 21: the metal material is used as a base of the fixed connecting piece and the movable connecting piece 26, the front and the back surfaces of the metal material are covered with insulating coatings, the metal material cannot conduct electricity under normal conditions, and the insulating sleeve 210 is arranged on the first through hole;

the insulating sleeve 210: the plastic material is used for insulating and isolating the contact parts of the upper fixing connecting sheet 22, the lower fixing connecting sheet 23 and the connecting rod 28 and the panel 21 of the screen cabinet;

upper fixing connecting piece 22 and lower fixing connecting piece 23: the panel is made of metal, the rear end of the panel 21 of the screen cabinet is electrically connected with a protection circuit, and the front end of the panel 21 of the screen cabinet is reliably contacted with the movable connecting piece 26 to conduct the protection circuit;

upper limit sheet set 24 and lower limit sheet set 25: the width of the clamping groove is larger than that of the movable connecting piece 26;

movable connecting piece 26: the metal material, its surface has insulating bush 210 or insulating bush to wrap up except with the contact area of upper fixed connection piece 22, lower fixed connection piece 23;

the knob 27 is: the plastic material, the movable connecting piece 26, the surface of the cylindrical shell adopts the design of a frosted structure and the like which can increase the friction force;

screw rod: the transmission rod is made of metal or plastic and is a movable connecting piece 26;

spring 29: the amount and direction of deformation of the metal material vary in synchronization with the magnitude and direction of the force applied to the knob 27. In the state of the connecting piece being put into, the compression amount of the spring 29 is increased, and the elastic potential energy of the spring drives the connecting rod 28 to reliably press the movable connecting piece 26 on the contact surface of the upper and lower fixed connecting pieces 23. In the link retreating state, the spring 29 is compressed less, and the movable link 26 is ejected out of the upper and lower fixed links 23 through the connecting rod 28, thereby realizing reliable isolation.

The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.