CN212136704U

CN212136704U - Spring piece type wiring terminal and distribution electrical appliance thereof

Info

Publication number: CN212136704U
Application number: CN202021209805.4U
Authority: CN
Inventors: 宿彦荣; 盛勇兵; 张彦阳; 史克少; 任昌宾
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-11
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a spring plate type wiring terminal and a power distribution appliance thereof, wherein the spring plate type wiring terminal comprises a terminal body, a wiring elastic sheet and an insulating piece, the terminal body is provided with an installation cavity suitable for installing the wiring elastic sheet and a current conducting plate, and a wiring hole and a disassembling tool hole which are arranged on the terminal body and are communicated with the installation cavity; the wiring elastic sheet is provided with an elastic sheet main body and an elastic arm connected with the elastic sheet main body, and the elastic arm and the disassembling tool hole are oppositely arranged; the insulating part is arranged between the opening of the elastic arm and the opening of the disassembling tool hole, and the insulating part is driven by the disassembling tool inserted into the disassembling tool hole to drive the elastic arm to elastically deform, so that when the wire is disassembled under the electrified condition, the insulating part can ensure that the disassembling tool can not directly contact the electrified elastic arm, and the safety performance is improved.

Description

Spring piece type wiring terminal and distribution electrical appliance thereof

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to shell fragment formula binding post and distribution apparatus thereof.

Background

The circuit breaker is a switch device which not only has the function of manual switching, but also can automatically carry out voltage loss, undervoltage, overload and short-circuit protection.

The circuit breakers in the market at present are classified into a handle type circuit breaker and an insertion type circuit breaker, as shown in fig. 7-9, the insertion type circuit breaker includes a base 01 and a wiring terminal 02 disposed at a front end of the base, the wiring terminal 02 includes a terminal body 021, and a wiring spring 03 and a conductive plate 04 disposed in a mounting cavity 022 of the terminal body 021, the wiring spring 03 has a spring main body 031, and an elastic arm 032 connected to the spring main body 031, an active end of the elastic arm 032 abuts against the conductive plate 04, a wiring hole 023 and a screwdriver hole 024 which can be communicated with the mounting cavity 022 and are disposed opposite to the elastic arm 032 are disposed at a front end surface of the terminal body 021, when wiring, a screwdriver is inserted into the screwdriver hole 024 first to abut against the elastic arm 032 to be separated from the conductive plate 04, a wire is inserted into a wire clamping space between the elastic arm 032 and the conductive plate 04 from the wiring hole 023, the elastic arm 032 recovers deformation, thereby clamping the wire and the conductive plate 04; when the wire is removed, the screwdriver is inserted into the screwdriver hole 024, the elastic arm 032 is pushed against to open the elastic arm 032, then the wire is pulled out, and finally the screwdriver is loosened to restore the elastic arm 032 to the initial position. The above solution has the drawback that when the wire is removed under power, there is a certain safety risk for the maintenance personnel, since the screwdriver will come into contact with the charged flexible arm 032.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the shell fragment formula binding post among the prior art when taking out stitches under the electrified condition, have the defect of certain safety risk to a shell fragment formula binding post that security performance is high is provided, and the distribution electrical apparatus who has this shell fragment formula binding post.

Therefore, the utility model provides a spring plate type wiring terminal, which comprises a terminal body, a wiring spring plate and an insulating piece, wherein the terminal body is provided with an installation cavity suitable for installing the wiring spring plate and a conductive plate, and a wiring hole and a disassembling tool hole which are arranged on the terminal body and communicated with the installation cavity; the wiring elastic sheet is provided with an elastic sheet main body and an elastic arm connected with the elastic sheet main body, and the elastic arm and the disassembling tool hole are oppositely arranged; the insulating part is arranged between the elastic arm and the opening of the disassembling tool hole, and the insulating part is driven by a disassembling tool inserted into the disassembling tool hole so as to drive the elastic arm to elastically deform.

The insulating member is rotatably mounted on the terminal body.

The insulating part is provided with a rotating arm, and the rotating arm is rotatably connected with the mounting cavity.

The rotary connection comprises a rotating shaft arranged in the installation cavity and one of the rotating arms, and a through hole which is arranged in the installation cavity and the other rotating arm and can be in adaptive connection with the rotating shaft.

The elastic arm is provided with a fulcrum, and the insulating part rotates by taking the fulcrum as a circle center after being subjected to external force; the insulating part is clamped with the elastic arm.

The insulating part is fixedly arranged on the elastic arm.

The insulating part is provided with a main body part arranged on the outer side surface of the elastic arm and side plate parts respectively arranged on the main body part, inverted tooth parts extending towards opposite side plate parts are formed at the end parts, far away from the main body part, of the side plate parts, and slots which can be in adaptive connection with the elastic arm are formed by the inverted tooth parts and the main body part oppositely.

The insulating part is connected with the elastic arm in a positioning mode through a positioning structure, and the positioning structure comprises a positioning hole formed in the elastic arm and a positioning block which is arranged on the inner side face of the insulating part and can be connected with the positioning hole in an adaptive mode.

The insulating part is a rubber sheath or a plastic sleeve sleeved on the elastic arm.

The insulating part is an insulating layer arranged on the outer side surface of the elastic arm.

And a convex block or a groove is formed on one surface of the insulating piece facing the opening of the disassembling tool hole.

The utility model also provides a distribution electrical apparatus, include as above shell fragment formula binding post. The utility model discloses technical scheme has following advantage:

1. the utility model provides a shell fragment formula binding post, insulating part are located between the opening in elastic arm and extracting tool hole, and the insulating part receives the extracting tool drive that inserts the extracting tool hole to drive elastic arm elastic deformation, when taking out stitches under the electrified circumstances like this, the insulating part enables that extracting tool can not the electrified elastic arm of direct contact, thereby has improved the security performance.

2. The utility model provides a shell fragment formula binding post rotates to be connected including the pivot of locating one of installation cavity and rotor arm to and locate another perforation that can be connected with the pivot adaptation of installation cavity and rotor arm, it is more firm that the aforesaid is rotated and is connected messenger's insulating part and this body coupling of terminal, prevents that the insulating part from sliding down from the elastic arm, and the insulating part adopts the pivoted mode to have simple structure's advantage.

3. The elastic sheet type connecting terminal provided by the utility model has the advantages that the elastic arm is provided with a fulcrum, and the insulating part rotates by taking the fulcrum as a circle center after being subjected to external force; the insulating part blocks with the elastic arm mutually, and above-mentioned structure makes insulating part and elastic arm be connected more firmly, prevents that the insulating part from landing from the elastic arm, in addition, because the insulating part direct rotation is installed on the elastic arm, the structure is simpler.

3. The utility model provides a shell fragment formula binding post, insulating part have the main part of locating the elastic arm lateral surface to and the side plate portion of main part both sides are located to the branch, the tip shaping that the main part was kept away from to the side plate portion has towards the pawl portion that subtend side plate portion extends, pawl portion and main part relative formation can with elastic arm adaptation connection's slot, above-mentioned pawl portion and slot enable between insulating part and the elastic arm be connected more firmly, prevent that the insulating part from dropping from the elastic arm.

4. The utility model provides a shell fragment formula binding post, insulating part pass through location structure and elastic arm location connection, and location structure is including locating the locating hole on the elastic arm to and locate the locating piece that can be connected with the locating hole adaptation of main part medial surface, above-mentioned location structure enables to be connected more firmly between insulating part and the elastic arm, difficult separation, and simple structure.

5. The utility model provides a shell fragment formula binding post, insulating part have lug or recess towards the shaping of extracting tool hole open-ended, and lug or recess can let extracting tool have the effect face of stress on the insulating part, prevent that extracting tool from skidding convenient to use when contacting with the insulating part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a first embodiment of the spring plate type terminal of the present invention;

FIG. 2 is a perspective view of the wiring spring plate;

FIG. 3 is a perspective view of the first insulator;

fig. 4 is a perspective view of a second embodiment of the tab terminal;

FIG. 5 is an exploded view of the insulator and the terminal spring;

FIG. 6 is a perspective view of the insulator;

fig. 7 is a schematic view of a prior art plug-in circuit breaker;

fig. 8 is a perspective view of the terminal block of fig. 7;

fig. 9 is a perspective view of the wire connecting spring plate in fig. 8.

Description of reference numerals: 01. a base; 02. a wiring terminal; 021. a terminal body; 022. a mounting cavity; 023. A wiring hole; 024. a screwdriver hole; 03. a wiring elastic sheet; 031. a spring plate main body; 032. a resilient arm; 04. A conductive plate;

1. a terminal body; 11. a mounting cavity; 12. a wiring hole; 13. disassembling the tool hole; 14. a rotating shaft; 2. a wiring elastic sheet; 21. a spring plate main body; 22. a resilient arm; 23. positioning holes; 3. a conductive plate; 4. an insulating member; 41. A rotating arm; 42. perforating; 43. a main body portion; 44. a side plate portion; 45. a tooth chamfering part; 46. and (5) positioning the blocks.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides a power distribution apparatus, which comprises a spring plate type wiring terminal, wherein the spring plate type wiring terminal comprises a terminal body 1, a wiring spring plate 2 and an insulating piece 4 as shown in fig. 1-3.

The terminal body 1 is provided with an installation cavity 11 suitable for installing the wiring elastic sheet 2 and the conductive plate 3, a wiring hole 12 and a disassembling tool hole 13 which are arranged on one side end face of the terminal body 1 and communicated with the installation cavity 11, and a rotating shaft 14 is arranged in the installation cavity 11.

The wiring elastic sheet 2 is provided with an elastic sheet main body 21 and an elastic arm 22 connected with the elastic sheet main body 21, and the elastic arm 22 is respectively arranged opposite to the wiring hole 12 and the disassembling tool hole 13.

Insulator 4 is located elastic arm 22 with between the opening of extracting tool hole 13, insulator 4 receives and inserts the extracting tool drive of extracting tool hole 13, in order to drive elastic arm 22 elastic deformation, insulator 4 orientation extracting tool hole 13 open-ended one side shaping has a plurality of lugs or a plurality of recess, insulator 4 rotationally install in on the terminal body 1, insulator 4 has rotor arm 41, rotor arm 41 with installation cavity 11 forms and rotates and is connected, be equipped with on the rotor arm 41 with the perforation 42 of pivot 14 looks adaptation connection.

In an alternative embodiment, the shaft 14 is provided on the rotating arm 41, and the through hole 42 is provided on the mounting cavity 11.

In an alternative embodiment, the elastic arm 22 has a fulcrum (not shown), and the insulating member 4 rotates around the fulcrum when an external force is applied; the insulator 4 engages with the spring arm 22.

Example 2

The embodiment provides a power distribution apparatus, which comprises a spring plate type wiring terminal, wherein the spring plate type wiring terminal comprises a terminal body 1, a wiring spring plate 2 and an insulating piece, as shown in fig. 4-6.

The terminal body 1 is provided with an installation cavity 11 suitable for installing the wiring elastic sheet 2 and the conductive plate 3, and a wiring hole 12 and a disassembling tool hole 13 which are arranged on one side end face of the terminal body 1 and communicated with the installation cavity 11.

The wiring elastic sheet 2, as shown in fig. 5, has an elastic sheet main body 21 and an elastic arm 22 connected to the elastic sheet main body 21, the elastic arm 22 is disposed opposite to the wiring hole 12 and the disassembling tool hole 13, respectively, and a positioning hole 23 is formed in the elastic arm 22.

The insulator 4, as shown in fig. 5 and 6, is provided between the elastic arm 22 and the opening of the removal tool hole 13, the insulator is driven by the removal tool inserted into the removal tool hole 13, so as to drive the elastic arm 22 to elastically deform, a plurality of bumps or a plurality of grooves are formed on one surface of the insulating piece 4 facing the opening of the disassembling tool hole 13, the insulating piece 4 is fixed on the elastic arm 22, the insulating piece 4 is provided with a main body part 43 arranged on the outer side surface of the elastic arm 22, and a side plate part 44 provided on the main body part 43, wherein the end part of the side plate part 44 far away from the main body part 43 is formed with a pawl part 45 extending towards the opposite side plate part 44, the inverted tooth portion 45 and the main body portion 43 form a slot opposite to each other for being fittingly connected with the elastic arm 22, and a positioning block 46 which is matched and connected with the positioning hole 23 is arranged on the inner side surface of the main body part 43.

As an alternative embodiment, the insulating element 5 is a rubber or plastic sheath that is placed over the elastic arms 22.

In an alternative embodiment, the insulating member 5 is an insulating layer provided on the outer surface of the elastic arm 22.

The utility model provides a shell fragment formula binding post, insulating part locate between the opening of elastic arm 22 and extracting tool hole 13, the insulating part receives the extracting tool drive of inserting extracting tool hole 13 to drive elastic arm 22 elastic deformation, when taking out stitches under the electrified circumstances like this, the insulating part enables that extracting tool can not the electrified elastic arm 22 of direct contact, thereby has improved the security performance.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A shell fragment formula binding post which characterized in that includes:

the terminal comprises a terminal body (1) and a terminal body, wherein the terminal body is provided with an installation cavity (11) suitable for installing a wiring elastic sheet (2) and a conductive plate (3), and a wiring hole (12) and a disassembling tool hole (13) which are arranged on the terminal body (1) and communicated with the installation cavity (11);

the wiring elastic sheet (2) is provided with an elastic sheet main body (21) and an elastic arm (22) connected with the elastic sheet main body (21), and the elastic arm (22) is arranged opposite to the disassembling tool hole (13);

the insulating piece (4) is arranged between the elastic arm (22) and the opening of the disassembling tool hole (13), and the insulating piece (4) is driven by a disassembling tool inserted into the disassembling tool hole (13) to drive the elastic arm (22) to elastically deform.

2. A blade terminal according to claim 1, wherein the insulator (4) is rotatably mounted on the terminal body (1).

3. A blade terminal according to claim 2, wherein the insulator (4) has a pivot arm (41), the pivot arm (41) being in pivoting connection with the mounting cavity (11).

4. The blade type connection terminal according to claim 3, wherein the rotary connection comprises a rotary shaft (14) provided in one of the mounting cavity (11) and the rotary arm (41), and a through hole (42) provided in the other of the mounting cavity (11) and the rotary arm (41) and adapted to be connected with the rotary shaft (14).

5. The flip chip type connection terminal according to claim 2, wherein the resilient arm (22) has a fulcrum, and the insulator (4) rotates around the fulcrum when an external force is applied; the insulating part (4) is clamped with the elastic arm (22).

6. A blade terminal according to claim 1, wherein the insulator (4) is fixed to the spring arm (22).

7. The flip type terminal according to claim 6, wherein the insulator (4) has a main body portion (43) provided on an outer side surface of the spring arm (22), and side plate portions (44) respectively provided on the main body portion (43), an end portion of the side plate portion (44) away from the main body portion (43) is formed with an inverted tooth portion (45) extending toward an opposite side plate portion (44), and the inverted tooth portion (45) is opposed to the main body portion (43) to form a slot adapted to the spring arm (22).

8. The flip chip type connection terminal according to claim 6 or 7, wherein the insulating member (4) is connected to the elastic arm (22) by a positioning structure, the positioning structure comprises a positioning hole (23) formed in the elastic arm (22), and a positioning block (46) formed on an inner side surface of the insulating member (4) and adapted to be connected to the positioning hole (23).

9. A blade terminal according to claim 6, wherein the insulator (4) is a rubber or plastic sheath fitted over the spring arm (22).

10. A blade terminal according to claim 6, wherein the insulating member (4) is an insulating layer provided on the outer side of the spring arm (22).

11. A blade terminal according to any one of claims 1, 2, 3, 4, 5, 6, 7, 9 and 10, wherein a projection or a recess is formed on a surface of the insulator (4) opening toward the removal tool hole (13).

12. An electrical distribution apparatus comprising a blade terminal according to any one of claims 1 to 11.