CN107706864B - A kind of locking ejector half strain clamp - Google Patents
A kind of locking ejector half strain clamp Download PDFInfo
- Publication number
- CN107706864B CN107706864B CN201710672756.4A CN201710672756A CN107706864B CN 107706864 B CN107706864 B CN 107706864B CN 201710672756 A CN201710672756 A CN 201710672756A CN 107706864 B CN107706864 B CN 107706864B
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- hole
- stick
- locking
- tapered plugging
- conduction stick
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- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of locking ejector half strain clamps, it is desirable to provide not only installation, detachable maintaining are convenient for one kind；And strain clamp stable structure, it can effectively solve and to influence the service life of strain clamp because loosening between upper drainage part and wire jumper drainage part, locking ejector half strain clamp the problem of reduction power supply reliability.It includes that wire clip body and drainage body, the wire clip body are connected with conducting wire, and drainage body includes: upper conduction stick, and the top of upper conduction stick is connected with wire clip body, and the lower end surface of upper conduction stick is equipped with tapered plugging hole；Wire jumper conduction stick, the top of wire jumper conduction stick are equipped with the tapered plugging stick matched with tapered plugging hole, and tapered plugging stick is plugged in tapered plugging hole, and the lateral surface of tapered plugging stick abuts against on the medial surface in tapered plugging hole；And anti-loosening connection structure, anti-loosening connection structure is for connecting conduction stick and wire jumper conduction stick.
Description
Technical field
The present invention relates to a kind of strain clamps, and in particular to a kind of locking ejector half strain clamp.
Background technique
Current strain clamp includes wire clip body and drainage body.Wire clip body is connected with conducting wire, and drainage body generally includes
The upper drainage part being connected with wire clip body and the wire jumper being connected with wire jumper drain part, between upper drainage part and wire jumper drainage part
It is connected by nut or bolt.It drains and is connected between the upper drainage part of body and wire jumper drainage part by nut or bolt, this company
Although binding structure facilitates maintenance, replacement, but in power circuit long-term use process, nut or bolted upper drainage part and
It is easy to produce loosening between wire jumper drainage part, and after generating loosening between upper drainage part and wire jumper drainage part, it can make
The resistance drained between part and wire jumper drainage part increases, after causing drainage body heating up；Drain body it is heating up after, and can be into
One step improves the resistance between drainage body and wire clip body and increases, and generates vicious circle, and seriously affect strain clamp uses the longevity
Life, or even there is strain clamp fracture, reduce power supply reliability.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, and providing one kind, not only installation, detachable maintaining are convenient；
And strain clamp stable structure, it can effectively solve because being loosened between upper drainage part and wire jumper drainage part, and influence strain insulator
The locking ejector half strain clamp of the problem of service life of wire clamp, reduction power supply reliability.
The technical scheme is that
A kind of locking ejector half strain clamp, including wire clip body and drainage body, the wire clip body is connected with conducting wire, described
Draining body includes: upper conduction stick, and the top of upper conduction stick is connected with wire clip body, and the lower end surface of upper conduction stick is equipped with tapered plugging
The internal diameter in hole, tapered plugging hole is gradually reduced inside by the port in tapered plugging hole；Wire jumper conduction stick, the top of wire jumper conduction stick
Equipped with the tapered plugging stick matched with tapered plugging hole, tapered plugging stick is plugged in tapered plugging hole, tapered plugging stick
Lateral surface abuts against on the medial surface in tapered plugging hole；And anti-loosening connection structure, anti-loosening connection structure is for connecting
Conduction stick and wire jumper conduction stick.Anti-loosening connection structure include the annular locking slot being arranged on the medial surface in tapered plugging hole,
The upper of wire jumper conduction stick is set and the axially directed hole coaxial with wire jumper conduction stick, the cunning that is slidably arranged in axially directed hole
Dynamic guide rod, the pretightning force pressing sleeve being slidably located on sliding guide, on several lateral surfaces that wire jumper conduction stick is set and and axis
To the radially-directed hole that pilot hole is connected, the one-to-one radial latch segment being slidably arranged in radially-directed hole, setting
The locking level pilot hole that is connected on the lateral surface of wire jumper conduction stick and with axially directed hole is slidably arranged in locking level guiding
Locking level in hole and the lock hole being arranged on sliding guide lateral surface, the upper end in the axially directed hole up extend and with
The upper surface of tapered plugging stick is connected, and the upper end of the sliding guide is located in pretightning force pressing sleeve, the upper end of pretightning force pressing sleeve
Closing, pretightning force pressing sleeve is interior and is located between the upper end of sliding guide and the upper end of pretightning force pressing sleeve equipped with preload compressed spring,
The upper end of pretightning force pressing sleeve is resisted against on the end face in tapered plugging hole；The internal diameter of the annular locking slot is by tapered plugging hole
Port is gradually increased on direction inside；It is connected between the radial direction latch segment and sliding guide by connecting rod, the one of connecting rod
End is hinged and connected with sliding guide, and the other end is hinged and connected with radial latch segment, and the one side of radial latch segment abuts against annular
On the bottom surface of locking slot；The locking level pilot hole is located at the lower section of upper conduction stick, and locking level pilot hole is along wire jumper conduction stick
It radially extends, one end of locking level is protruded into lock hole.
The locking ejector half strain clamp of this programme is not only installed, detachable maintaining is convenient；And strain clamp stable structure, it can
It effectively solves because being loosened between upper drainage part and wire jumper drainage part, and influences the service life of strain clamp, reduce power supply
The problem of reliability.
Preferably, the side for abutting against the radial latch segment on the bottom surface of annular locking slot is the bottom with annular locking slot
The arc locking face of face cooperation.
Preferably, the medial surface of locking level pilot hole is equipped with annular inner limited block and the outer limited block of annular, it is annular in
Limited block close to axially directed hole, the outer limited block of annular close to wire jumper conduction stick lateral surface, on the lateral surface of the locking level
Equipped with locking level limited block, and locking level limited block is located between annular inner limited block and the outer limited block of annular, in locking level limit
It is arranged with reset spring, one end of reset spring is against on the outer limited block of annular, and the other end of reset spring is against locking level limit
On the block of position, locking level limited block is against on annular inner limited block.
Preferably, axially directed hole includes lower pilot hole and connects the upper of lower pilot hole and the upper surface of tapered plugging stick
Pilot hole, the internal diameter of upper pilot hole are greater than the internal diameter of lower pilot hole, and the sliding guide is slidably arranged in lower pilot hole, described
Radially-directed hole is connected with upper pilot hole.
Preferably, the medial surface of lower pilot hole is equipped with the axially extending limiting slot along wire jumper conduction stick, the cunning
Dynamic guide rod is equipped with the sliding block cooperated with limiting slot, and sliding block protrudes into limiting slot.
Preferably, being connected by welding between the top and wire clip body of upper conduction stick.
The beneficial effects of the present invention are: not only installation, detachable maintaining are convenient；And strain clamp stable structure, it can be effective
It solves because being loosened between upper drainage part and wire jumper drainage part, and influences the service life of strain clamp, it is reliable to reduce power supply
The problem of property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of locking ejector half strain clamp of the invention.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the partial enlarged view in Fig. 1 at B.
In figure:
Wire clip body 1；
Upper conduction stick 2, tapered plugging hole 2.1；
Wire jumper conduction stick 3, tapered plugging stick 3.1；
Anti-loosening connection structure 4, annular locking slot 4.0, axially directed hole 4.1, upper pilot hole 4.1a, lower pilot hole
4.1b, sliding guide 4.2, pretightning force pressing sleeve 4.3, locking level 4.4 pre-tighten compressed spring 4.5, connecting rod 4.6, radially-directed hole
4.7, radial latch segment 4.8, lock hole 4.9, locking level pilot hole 4.10, reset spring 4.12, the outer limited block 4.13 of annular, lock
Fixed pole limited block 4.14, annular inner limited block 4.15；
Wire jumper 5.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of locking ejector half strain clamp, including wire clip body 1 and drainage body.Wire clip body and conducting wire phase
Even.Draining body includes upper conduction stick 2, wire jumper conduction stick 3 and anti-loosening connection structure 4.The lower part of wire jumper conduction stick and wire jumper 5
It is connected.
It is connected by welding between the top and wire clip body of upper conduction stick.The lower end surface of upper conduction stick is equipped with tapered plugging
The internal diameter in hole 2.1, tapered plugging hole is gradually reduced inside by the port in tapered plugging hole.
The top of wire jumper conduction stick is equipped with the tapered plugging stick 3.1 matched with tapered plugging hole.Wire jumper conduction stick and cone
Shape grafting stick is coaxial.The taper of the lateral surface of tapered plugging stick is identical as the taper of the medial surface in tapered plugging hole.Tapered plugging
Stick is plugged in tapered plugging hole, and the lateral surface of tapered plugging stick abuts against on the medial surface in tapered plugging hole.
Anti-loosening connection structure is for connecting conduction stick and wire jumper conduction stick.
As shown in Figure 1, Figure 2, Figure 3 shows, anti-loosening connection structure includes the annular being arranged on the medial surface in tapered plugging hole
Locking slot 4.0 is arranged in the upper of wire jumper conduction stick and the axially directed hole 4.1 coaxial with wire jumper conduction stick, is slidably arranged in axis
Sliding guide 4.2 into pilot hole, the pretightning force pressing sleeve 4.3 being slidably located on sliding guide, several settings are drawn in wire jumper
It flows the radially-directed hole 4.7 being connected on the lateral surface of stick and with axially directed hole, be slidably arranged in radial guiding correspondingly
Radial latch segment 4.8 into hole, the locking level for being arranged on the lateral surface of wire jumper conduction stick and being connected with axially directed hole
Pilot hole 4.10, the locking level 4.4 being slidably arranged in locking level pilot hole and the locking being arranged on sliding guide lateral surface
Hole 4.9.
The upper end in axially directed hole up extends and is connected with the upper surface of tapered plugging stick.Under axially directed hole includes
The pilot hole 4.1b and upper pilot hole 4.1a for connecting lower pilot hole and the upper surface of tapered plugging stick.The internal diameter of upper pilot hole is greater than
The internal diameter of lower pilot hole.The medial surface of lower pilot hole is equipped with the axially extending limiting slot along wire jumper conduction stick.Sliding guide
It is slidably arranged in lower pilot hole.Sliding guide is equipped with the sliding block cooperated with limiting slot, and sliding block protrudes into limiting slot.Radial guiding
The upper pilot hole of Xiang Kongyu is connected.
The lower ending opening of pretightning force pressing sleeve.The upper end closed of pretightning force pressing sleeve.The upper end of sliding guide is by pretightning force pressing sleeve
Lower ending opening protrude into pretightning force pressing sleeve.The upper end of sliding guide is located in pretightning force pressing sleeve.In pretightning force pressing sleeve and it is located at
It is equipped between the upper end of sliding guide and the upper end of pretightning force pressing sleeve and pre-tightens compressed spring 4.5.The upper end of pretightning force pressing sleeve is located at
The outside in axially directed hole, the upper end of pretightning force pressing sleeve are resisted against on the end face in tapered plugging hole.
The internal diameter of annular locking slot is gradually increased on the direction inside of the port by tapered plugging hole, specifically, ring
The internal diameter of the bottom surface of shape locking slot is gradually increased on the direction inside of the port by tapered plugging hole.
It is connected between radial latch segment and sliding guide by connecting rod 4.6.One end of connecting rod and the hinged phase of sliding guide
Even, the other end is hinged and connected with radial latch segment.The one side of radial latch segment abuts against on the bottom surface of annular locking slot, and tight
The side of the radial latch segment on the bottom surface of annular locking slot is leaned against as the arc locking face with the bottom surface of annular locking slot.
As shown in Figure 1, Figure 3, locking level pilot hole is located at the lower section of upper conduction stick.Locking level pilot hole is along wire jumper conduction stick
Radially extend.The medial surface of locking level pilot hole is equipped with annular inner limited block 4.15 and the outer limited block 4.13 of annular.Annular
Inner limited block is close to axially directed hole, lateral surface of the outer limited block of annular close to wire jumper conduction stick.
The lateral surface of locking level is equipped with locking level limited block 4.14, and locking level limited block be located at annular inner limited block with
Between the outer limited block of annular.Reset spring 4.12 is arranged in locking level limit, reset spring is located at locking level limited block and annular
Between outer limited block.One end of reset spring is against on the outer limited block of annular, and the other end of reset spring is against locking level limit
On block.Locking level limited block is against on annular inner limited block.Lock hole is radially extended along sliding guide.It stretches one end of locking level
Enter in lock hole.
The locking ejector half strain clamp of the present embodiment it is specifically used as follows:
First, locking level is pulled out and is separated with lock hole；
By radial latch segment toward radially-directed hole internal pressure, radial latch segment is completely forced into radially-directed hole；In radial direction
For latch segment toward during the internal pressure of radially-directed hole, connecting rod will push sliding guide up to move, to make lock hole and locking
Bar is staggered, and the inner end of locking level will be on the lateral surface that be against sliding guide under the action of reset spring；
Second, the tapered plugging stick of wire jumper conduction stick is inserted into tapered plugging hole, and make the lateral surface of tapered plugging stick
On the medial surface for abutting against tapered plugging hole；During tapered plugging stick is inserted into tapered plugging hole, pretightning force pressing sleeve
Upper end will first be resisted against on the end face in tapered plugging hole, then, make sliding guide down under the action of pre-tightening compressed spring
Mobile, during sliding guide moves down, radial latch segment will be driven by connecting rod, and radially pilot hole ejects outward；When
When the lateral surface of tapered plugging stick is abutted against on the medial surface in tapered plugging hole, the arc locking face of radial latch segment abuts against ring
On the bottom surface of shape locking slot, while lock hole and locking level, to just, the inner end of locking level is stretched automatically under the action of reset spring
Enter in lock hole, locking sliding guide (i.e. fixed sliding guide).
The pretightning force pressing sleeve of the present embodiment and the structure for pre-tightening compressed spring not only can provide pretightning force for sliding guide,
Abut against radial latch segment on the bottom surface of annular locking slot；And it can guarantee that the lateral surface of tapered plugging stick can abut against
On the medial surface in tapered plugging hole, gap at this time is avoided between tapered plugging stick and tapered plugging hole.
On the bottom surface that the arc locking face of radial latch segment abuts against annular locking slot, and locking level is inserted into lock hole
Interior, after locking sliding guide, the tapered plugging stick of wire jumper conduction stick reliably will be fixed on taper and inserted by anti-loosening connection structure
Connect in hole, guarantee drainage body stable structure, not only installation, conveniently, but also can avoid wire jumper conduction stick tapered plugging stick with
The tapered plugging hole of upper conduction stick loosens, and then effectively solves because loosening between upper drainage part and wire jumper drainage part,
And the problem of influencing the service life of strain clamp, reducing power supply reliability.
On the other hand, locking level is pulled out and is separated with lock hole, so that it may by wire jumper conduction stick by being torn open on upper conduction stick
It unloads, detachable maintaining is convenient.
Claims (5)
1. a kind of locking ejector half strain clamp, including wire clip body and drainage body, the wire clip body are connected with conducting wire, feature
It is that the drainage body includes:
The top of upper conduction stick, upper conduction stick is connected with wire clip body, and the lower end surface of upper conduction stick is equipped with tapered plugging hole, taper
The internal diameter of spliced eye is gradually reduced inside by the port in tapered plugging hole；
Wire jumper conduction stick, the top of wire jumper conduction stick are equipped with the tapered plugging stick matched with tapered plugging hole, tapered plugging stick
It is plugged in tapered plugging hole, the lateral surface of tapered plugging stick abuts against on the medial surface in tapered plugging hole；And
Anti-loosening connection structure, anti-loosening connection structure is for connecting conduction stick and wire jumper conduction stick；
The anti-loosening connection structure includes the annular locking slot being arranged on the medial surface in tapered plugging hole, is arranged and draws in wire jumper
Upper and coaxial with the wire jumper conduction stick axially directed hole for flowing stick, the sliding guide being slidably arranged in axially directed hole, sliding
It is connected on the pretightning force pressing sleeve that is set on sliding guide, several lateral surfaces that wire jumper conduction stick is set and with axially directed hole
Logical radially-directed hole, is arranged in wire jumper conduction stick the radial latch segment being slidably arranged in radially-directed hole correspondingly
Lateral surface on and the locking level pilot hole being connected with axially directed hole, the locking level being slidably arranged in locking level pilot hole
And the lock hole on sliding guide lateral surface is set,
The upper end in the axially directed hole up extends and is connected with the upper surface of tapered plugging stick, the sliding guide it is upper
End is located in pretightning force pressing sleeve, the upper end closed of pretightning force pressing sleeve, in pretightning force pressing sleeve and is located at the upper end of sliding guide and pre-
It is equipped between the upper end of clamp force pressing sleeve and pre-tightens compressed spring, the upper end of pretightning force pressing sleeve is resisted against on the end face in tapered plugging hole；
The internal diameter of the annular locking slot is gradually increased on the direction inside of the port by tapered plugging hole；
It is connected between the radial direction latch segment and sliding guide by connecting rod, one end and the sliding guide of connecting rod are hinged and connected,
The other end is hinged and connected with radial latch segment, and the one side of radial latch segment abuts against on the bottom surface of annular locking slot；
The locking level pilot hole is located at the lower section of upper conduction stick, and locking level pilot hole is radially extended along wire jumper conduction stick, lock
One end of fixed pole is protruded into lock hole；
It is connected by welding between the top and wire clip body of the upper conduction stick.
2. a kind of locking ejector half strain clamp according to claim 1, characterized in that abut against the bottom surface of annular locking slot
On the side of radial latch segment be arc locking face with the bottom surface of annular locking slot.
3. a kind of locking ejector half strain clamp according to claim 1 or 2, characterized in that the locking level pilot hole
Medial surface is equipped with annular inner limited block and the outer limited block of annular, and annular inner limited block is close to axially directed hole, the outer limit of annular
For block close to the lateral surface of wire jumper conduction stick, the lateral surface of the locking level is equipped with locking level limited block, and locking level limited block
Between annular inner limited block and the outer limited block of annular, it is arranged with reset spring in locking level limit, one end of reset spring is supported
Outside annular on limited block, the other end of reset spring is against on locking level limited block, and locking level limited block is against limit in annular
On the block of position.
4. a kind of locking ejector half strain clamp according to claim 1 or 2, characterized in that the axially directed hole includes
Lower pilot hole and the upper pilot hole for connecting lower pilot hole and the upper surface of tapered plugging stick, the internal diameter of upper pilot hole are greater than lower guiding
The internal diameter in hole, the sliding guide are slidably arranged in lower pilot hole, and the radially-directed hole is connected with upper pilot hole.
5. a kind of locking ejector half strain clamp according to claim 4, characterized in that on the medial surface of the lower pilot hole
Equipped with the axially extending limiting slot along wire jumper conduction stick, the sliding guide is equipped with the sliding block cooperated with limiting slot, sliding block
It protrudes into limiting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672756.4A CN107706864B (en) | 2017-08-08 | 2017-08-08 | A kind of locking ejector half strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672756.4A CN107706864B (en) | 2017-08-08 | 2017-08-08 | A kind of locking ejector half strain clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706864A CN107706864A (en) | 2018-02-16 |
| CN107706864B true CN107706864B (en) | 2019-08-20 |
Family
ID=61170847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710672756.4A Active CN107706864B (en) | 2017-08-08 | 2017-08-08 | A kind of locking ejector half strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706864B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427384A (en) * | 2012-05-24 | 2013-12-04 | 河南科信电缆有限公司 | Tension-resistance wire clamp |
| CN205453041U (en) * | 2015-11-20 | 2016-08-10 | 浙江浙电经济技术研究院 | Tapered drainage strain clamp |
| CN205882630U (en) * | 2016-07-11 | 2017-01-11 | 黄志燕 | Toper wedge type strain clamp for wire jumper |
| CN207134771U (en) * | 2017-08-08 | 2018-03-23 | 国网浙江省电力公司丽水供电公司 | Locking ejector half strain clamp |
-
2017
- 2017-08-08 CN CN201710672756.4A patent/CN107706864B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107706864A (en) | 2018-02-16 |
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