CN208256428U - A kind of connecting terminal, casing and transformer - Google Patents
A kind of connecting terminal, casing and transformer Download PDFInfo
- Publication number
- CN208256428U CN208256428U CN201820744716.6U CN201820744716U CN208256428U CN 208256428 U CN208256428 U CN 208256428U CN 201820744716 U CN201820744716 U CN 201820744716U CN 208256428 U CN208256428 U CN 208256428U
- Authority
- CN
- China
- Prior art keywords
- locking nut
- section
- connecting terminal
- threaded connection
- threading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of connecting terminal, casing and transformers.Connecting terminal includes the body of rod, one end of the body of rod is terminals, terminals include threaded connection section, the side away from the body of rod of threaded connection section has tapered hollow to thread section, tapered hollow threading section is equipped at least one and splits slot, connecting terminal further includes locking nut, the middle part of locking nut has threading hole, the hole wall of threading hole includes taper hold-down segment, in the locking nut spinning when in threaded connection section, taper hold-down segment can radial compression tapered hollow threading section and by it conducting wire compress, connecting terminal further includes that need to be mounted on the clamp nut of locking nut axial compression in threaded connection section.Locking nut radial compression tapered hollow threading section compresses conducting wire, eliminates welding sequence；Clamp nut axial compression locking nut, increases the frictional force of locking nut thread Yu body of rod thread, a possibility that locking nut loosens is greatly reduced, to enhance the bonding strength of conducting wire.
Description
Technical field
The utility model relates to a kind of connecting terminal, casing and transformers.
Background technique
In high pressure transmission & distribution electrical domain, the connection of high-voltage electricity is completed by conducting rod, the primary structure of conducting rod
It is made of metal material with good conductivity.Usual conducting rod is installed on transformer top, and conducting rod both ends are respectively welded
Connector, for transformer lead-out wires of coil are connect with outside line.But tin must be warded off by welding later conducting rod, in conducting rod
Also inevitably there are extra tin layers in the bottom of thread, to increase thread size, fasten to the installation of later conducting rod
Bring new trouble, there are one can not be ignored the problem of be because coil lead or leader cable are all red copper materials, such as
The Tab phenolphthaleinum electric pole brass material relatively inexpensive using price, when implementing oxygen welding process, the conductor welding quality of unlike material is also obtained
Guarantee less than reliable, therefore this defines the red copper material that this connector must be more expensive using price again.Meanwhile conducting rod with
Two people's coordinating operations are needed when lead is subjected to, and have the danger of burn while inconvenient.
In order to solve the above-mentioned technical problem, occur exempting to weld conducting rod in the prior art, as patent announcement number is
A kind of conducting rod, including connector and fastening cap are disclosed in the utility model patent specification of CN2174786Y, it is described
One end of connector is equipped with the perforation installed for lead, and the connector on the punching edge edge is equipped at least two deformation slots, even
The outer peripheral surface of junctor setting deformation slot is equipped at least one conical surface matched with fastening cap, and the middle part of fastening cap is equipped with for drawing
The through-hole that line passes through has with the internal screw thread being threadedly engaged on connector in through-hole and matches with the conical surface of connector
Inner conical surface.The connecting rod can be under the compressing of fastening cap inner conical surface and lead is fixed by contraction distortion, has omitted traditional
Welding sequence.But the trend that the deformation conical surface of the connector in the conducting rod restores due to there is elasticity, fastening cap is in tensioner
It is possible to occur loosening and the phenomenon that poor contact occur under the action of power, influences the normal use of equipment.
Utility model content
The purpose of this utility model is to provide a kind of connecting terminals, it is intended to solve tight in conducting rod in the prior art
Gu the problem of cap easily loosens；The purpose of this utility model, which also resides in, provides a kind of casing for installing above-mentioned connecting terminal and transformation
Device.
To achieve the above object, the technical solution of the connecting terminal of the utility model is:
A kind of connecting terminal includes the body of rod, and one end of the body of rod is terminals, and the terminals include threaded connection section, screw thread
The side away from the body of rod of linkage section has tapered hollow to thread section, and tapered hollow threading section is equipped at least one and splits slot, wiring
Terminal further includes locking nut, and the middle part of locking nut has threading hole, and the hole wall of threading hole includes taper hold-down segment, in the lock
Tight nut spinning when in threaded connection section, taper hold-down segment can radial compression tapered hollow threading section and by the conducting wire in it
It compresses, connecting terminal further includes that need to be mounted on the clamp nut of locking nut axial compression in threaded connection section.
The beneficial effect is that: locking nut radial compression tapered hollow threading section compresses conducting wire, eliminates Welder
Sequence；Clamp nut axial compression locking nut, increases the frictional force of locking nut thread Yu body of rod thread, greatly reduces lock
A possibility that tight nut loosening, to enhance the bonding strength of conducting wire.
Specifically, the slot of splitting is two or more.It is more than two split slot facilitate tapered hollow threading section deformation will lead
Line compresses.
It is further, described that split slot axially extending along the body of rod.
The technical solution of the casing of the utility model is:
A kind of casing includes insulating cylinder and connecting terminal, and the connecting terminal includes the conduction being mounted in insulating cylinder
Bar, one end of the conducting rod are terminals, and the terminals include threaded connection section, threaded connection section away from conducting rod
Side has tapered hollow to thread section, and tapered hollow threading section is equipped at least one and splits slot, and connecting terminal further includes locking nut,
The middle part of locking nut has threading hole, and the hole wall of threading hole includes taper hold-down segment, connects in the locking nut spinning in screw thread
When connecing in section, taper hold-down segment can radial compression tapered hollow threading section and the conducting wire in it is compressed, connecting terminal also wraps
Including need to be mounted on the clamp nut of locking nut axial compression in threaded connection section.
The beneficial effect is that: locking nut radial compression tapered hollow threading section compresses conducting wire, eliminates Welder
Sequence；Clamp nut axial compression locking nut, increases the frictional force of locking nut thread Yu conducting rod thread, greatly reduces
A possibility that locking nut loosens, to enhance the bonding strength of conducting wire and conducting rod.
Specifically, the slot of splitting is two or more.It is more than two split slot facilitate tapered hollow threading section deformation will lead
Line compresses.
It is further, described that split slot axially extending along conducting rod.
The technical solution of the transformer of the utility model is:
A kind of transformer includes tank body of oil tank and the casing for being mounted on tank body of oil tank upper end, and described sleeve pipe includes insulating cylinder
And connecting terminal, the connecting terminal include the conducting rod being mounted in insulating cylinder, one end of the conducting rod is terminals,
The terminals include threaded connection section, and the side away from conducting rod of threaded connection section has tapered hollow to thread section, in taper
Sky threading section is equipped at least one and splits slot, and connecting terminal further includes locking nut, and the middle part of locking nut has threading hole, wears
The hole wall of string holes includes taper hold-down segment, and in the locking nut spinning when in threaded connection section, taper hold-down segment can be radial
It squeezes tapered hollow threading section and compresses the conducting wire in it, connecting terminal further includes that need to be mounted in threaded connection section lock
The clamp nut of nut axial compression.
The beneficial effect is that: locking nut radial compression tapered hollow threading section compresses conducting wire, eliminates Welder
Sequence；Clamp nut axial compression locking nut, increases the frictional force of locking nut thread Yu conducting rod thread, greatly reduces
A possibility that locking nut loosens, to enhance the bonding strength of conducting wire and conducting rod.
Specifically, the slot of splitting is two or more.It is more than two split slot facilitate tapered hollow threading section deformation will lead
Line compresses.
It is further, described that split slot axially extending along conducting rod.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the connecting terminal of the transformer embodiments of the utility model；
Fig. 2 is the structural schematic diagram of the conducting rod in Fig. 1；
Fig. 3 is the structural schematic diagram of the locking nut in Fig. 1；
In attached drawing: 1, conducting rod；11, cone；12, slot is split；13, fastener；2, clamp nut；3, locking nut；4, draw
Line.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the transformer of the utility model including tank body of oil tank and is mounted on the set of tank body of oil tank upper end
Pipe, casing includes insulating cylinder and connecting terminal.As shown in Figure 1 to Figure 3, connecting terminal includes conducting rod 1 and locking nut
3.One end of conducting rod 1 is terminals, and terminals include threaded connection section.Threaded connection section is interior away from one end of conducting rod 1
Portion has the string holes for accommodating lead 4, and one end that string holes is arranged in conducting rod 1 has the cone 11 extended along 1 axis direction of conducting rod,
The section of cone 11 is isosceles trapezoid, and the cone 11 in the present embodiment is one, it is to be understood that along 1 axis side of conducting rod
To extension cone 11 number be two, three, four etc. it is multiple be also that can be implemented for those skilled in the art.Cone
Be provided on body 11 it is multiple along 1 axis direction of conducting rod extend split slot 12.In other embodiments, splitting slot may be one
A, axis where splitting slot can also form certain angle with conductive rod axis.
The threaded one end that cone 11 is arranged in locking nut 3 and conducting rod 1 cooperates, and the middle part of locking nut 3 has threading hole,
Lead 4 is passed through out of threading hole and is installed in the string holes of conducting rod 1.Have in the threading hole of locking nut 3 suitable with cone 11
The inner conical surface matched, the threading hole in axial direction beyond inner conical surface are columnar hole, are had on the hole wall of columnar hole suitable with threaded connection section
The internal screw thread matched.Locking nut 3 has smooth crown structure away from one end of setting internal screw thread.For the ease of using tool to revolve
Locking nut 3 is twisted, the outer peripheral surface of locking nut 3 is six square nut structure types, certainly, locking nut 3 in other embodiments
Outer peripheral surface can also be from all directions, four directions or be processed into the nut structure form of plane two-by-two.
Connecting terminal further include using when be screwed in the clamp nut 2 of threaded connection section on conducting rod 1, for the ease of making
Clamp nut 2 is screwed with tool, the clamp nut 2 in the present embodiment is outer diameter hex nut identical with 3 outer diameter of locking nut.
For the ease of using tool to install connecting terminal, conducting rod 1 is fixedly connected with fastener in the upside of clamp nut 2
13, the outer peripheral surface of the fastener 13 in the present embodiment is six square nut structure types, certainly, locking nut in other embodiments
3 outer peripheral surface can also be all directions, four directions or the nut structure form for being processed into plane two-by-two.
The transformer of the utility model is in use, when carrying out lead 4 and 1 connection operation of conducting rod, by transformer lead 4
It is inserted into after the threading hole on locking nut 3 in the string holes of conducting rod 1, locking nut 3 is made to rotate to the cone for being provided with deformation slot
It on body 11, interacts by the inner conical surface of locking nut 3 and the conical surface of cone 11, the compressing deformation of cone 11, which clamps, is inserted into line
The lead 4 in hole rotatably compresses nut 2 and locks locking nut 3.
In the embodiment of the casing of the utility model, including connecting terminal, connecting terminal and above-mentioned transformer embodiments
The structure of connecting terminal is identical, repeats no more.
The embodiment of the connecting terminal of the utility model, in the connecting terminal and above-mentioned transformer embodiments in the present embodiment
Connecting terminal structure it is identical, repeat no more.
Claims (9)
1. one end of a kind of connecting terminal, including the body of rod, the body of rod is terminals, the terminals include threaded connection section, screw thread
The side away from the body of rod of linkage section has tapered hollow to thread section, and tapered hollow threading section is equipped at least one and splits slot, wiring
Terminal further includes locking nut, and the middle part of locking nut has threading hole, and the hole wall of threading hole includes taper hold-down segment, in the lock
Tight nut spinning when in threaded connection section, taper hold-down segment can radial compression tapered hollow threading section and by the conducting wire in it
It compresses, it is characterised in that: connecting terminal further includes the compression spiral shell that need to be mounted in threaded connection section by locking nut axial compression
It is female.
2. connecting terminal according to claim 1, it is characterised in that: the slot of splitting is two or more.
3. connecting terminal according to claim 2, it is characterised in that: described to split slot axially extending along the body of rod.
4. a kind of casing, including insulating cylinder and connecting terminal, the connecting terminal includes the conducting rod being mounted in insulating cylinder,
One end of the conducting rod is terminals, and the terminals include threaded connection section, threaded connection section away from the one of conducting rod
Side has tapered hollow to thread section, and tapered hollow threading section is equipped at least one and splits slot, and connecting terminal further includes locking nut, lock
The middle part of tight nut has threading hole, and the hole wall of threading hole includes taper hold-down segment, is being threadedly coupled in the locking nut spinning
When in section, taper hold-down segment can radial compression tapered hollow threading section and by it conducting wire compress, it is characterised in that: wiring
Terminal further includes that need to be mounted on the clamp nut of locking nut axial compression in threaded connection section.
5. casing according to claim 4, it is characterised in that: the slot of splitting is two or more.
6. casing according to claim 5, it is characterised in that: described to split slot axially extending along conducting rod.
7. a kind of transformer, including tank body of oil tank and it is mounted on the casing of tank body of oil tank upper end, described sleeve pipe includes insulating cylinder
And connecting terminal, the connecting terminal include the conducting rod being mounted in insulating cylinder, one end of the conducting rod is terminals,
The terminals include threaded connection section, and the side away from conducting rod of threaded connection section has tapered hollow to thread section, in taper
Sky threading section is equipped at least one and splits slot, and connecting terminal further includes locking nut, and the middle part of locking nut has threading hole, wears
The hole wall of string holes includes taper hold-down segment, and in the locking nut spinning when in threaded connection section, taper hold-down segment can be radial
It squeezes tapered hollow threading section and compresses the conducting wire in it, it is characterised in that: connecting terminal further includes that need to be mounted on screw thread company
It connects the clamp nut of locking nut axial compression in section.
8. transformer according to claim 7, it is characterised in that: the slot of splitting is two or more.
9. transformer according to claim 8, it is characterised in that: described to split slot axially extending along conducting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744716.6U CN208256428U (en) | 2018-05-18 | 2018-05-18 | A kind of connecting terminal, casing and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744716.6U CN208256428U (en) | 2018-05-18 | 2018-05-18 | A kind of connecting terminal, casing and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256428U true CN208256428U (en) | 2018-12-18 |
Family
ID=66480645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820744716.6U Expired - Fee Related CN208256428U (en) | 2018-05-18 | 2018-05-18 | A kind of connecting terminal, casing and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713485A (en) * | 2018-12-19 | 2019-05-03 | 国网上海市电力公司 | A kind of fuse hot plugging connector assembly |
-
2018
- 2018-05-18 CN CN201820744716.6U patent/CN208256428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713485A (en) * | 2018-12-19 | 2019-05-03 | 国网上海市电力公司 | A kind of fuse hot plugging connector assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |