CN207134771U - Locking ejector half strain clamp - Google Patents
Locking ejector half strain clamp Download PDFInfo
- Publication number
- CN207134771U CN207134771U CN201720986214.XU CN201720986214U CN207134771U CN 207134771 U CN207134771 U CN 207134771U CN 201720986214 U CN201720986214 U CN 201720986214U CN 207134771 U CN207134771 U CN 207134771U
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- Prior art keywords
- hole
- conduction stick
- tapered plugging
- limited block
- annular
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- 210000004907 gland Anatomy 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of locking ejector half strain clamp, it is desirable to provide a kind of not only installation, detachable maintaining are convenient；And strain clamp Stability Analysis of Structures, can effectively solve the locking ejector half strain clamp for the problem of because being loosened between upper drainage part and wire jumper drainage part, and influenceing the service life of strain clamp, reduction power supply reliability.It includes wire clip body and drainage body, the wire clip body are connected with wire, and drainage body includes：Upper conduction stick, the top of upper conduction stick are connected with wire clip body, and the lower surface of upper conduction stick is provided with tapered plugging hole；Wire jumper conduction stick, the top of wire jumper conduction stick are provided with the tapered plugging rod being engaged with tapered plugging hole, and tapered plugging rod is plugged in tapered plugging hole, and the lateral surface of tapered plugging rod is abutted against on the medial surface in tapered plugging hole；And anti-loosening attachment structure, anti-loosening attachment structure are used to connect conduction stick and wire jumper conduction stick.
Description
Technical field
It the utility model is related to a kind of strain clamp, and in particular to a kind of locking ejector half strain clamp.
Background technology
Current strain clamp includes wire clip body and drainage body.Wire clip body is connected with wire, and drainage body generally includes
The upper drainage part being connected with wire clip body and the wire jumper drainage part being connected with wire jumper, upper drainage part and wire jumper are drained between part
It is connected by nut or bolt.Drain and be connected between the upper drainage part of body and wire jumper drainage part by nut or bolt, this company
Although the convenient maintenance of binding structure, changing, during power circuit long-term use, nut or bolted upper drainage part with
Loosening is easily produced between wire jumper drainage part, and after loosening is produced between upper drainage part and wire jumper drainage part, it can cause
The resistance drained between part and wire jumper drainage part increases, after causing drainage body heating up；After drainage body is heating up, it can enter again
The resistance that one step is improved between drainage body and wire clip body increases, and produces vicious circle, and have a strong impact on strain clamp uses the longevity
Life, or even there is strain clamp fracture, reduce power supply reliability.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of not only installation, detachable maintaining
It is convenient；And strain clamp Stability Analysis of Structures, can effectively solve because being loosened between upper drainage part and wire jumper drainage part, and influence
The service life of strain clamp, reduce power supply reliability the problem of locking ejector half strain clamp.
The technical solution of the utility model is：
A kind of locking ejector half strain clamp, including wire clip body and drainage body, the wire clip body is connected with wire, described
Drainage body includes：Upper conduction stick, the top of upper conduction stick are connected with wire clip body, and the lower surface of upper conduction stick is provided with tapered plugging
Hole, the internal diameter in tapered plugging hole are gradually reduced inside by the port in tapered plugging hole；Wire jumper conduction stick, the top of wire jumper conduction stick
Provided with the tapered plugging rod being engaged with tapered plugging hole, tapered plugging rod is plugged in tapered plugging hole, tapered plugging rod
Lateral surface is abutted against on the medial surface in tapered plugging hole；And anti-loosening attachment structure, anti-loosening attachment structure are used to connect
Conduction stick and wire jumper conduction stick.Anti-loosening attachment structure include being arranged on annular locking slot on the medial surface in tapered plugging hole,
The cunning for be arranged on the upper of wire jumper conduction stick and the axially directed hole coaxial with wire jumper conduction stick, being slidably arranged in axially directed hole
Dynamic guide rod, the pretightning force gland being slidably located on sliding guide, some it is arranged on the lateral surface of wire jumper conduction stick and and axle
The radially-directed hole that is connected to pilot hole, the one-to-one radial direction latch segment being slidably arranged in radially-directed hole, set
The securing rod pilot hole that is connected on the lateral surface of wire jumper conduction stick and with axially directed hole, it is slidably arranged in securing rod guiding
Securing rod 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 rod is connected, and the upper end of the sliding guide is located in pretightning force gland, the upper end of pretightning force gland
Close, pretension compression spring be provided with pretightning force gland and between the upper end of sliding guide and the upper end of pretightning force gland,
The upper end of pretightning force gland 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 gradually increases 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 direction latch segment, and the one side of radial direction latch segment abuts against annular
On the bottom surface of locking slot；The securing rod pilot hole is located at the lower section of upper conduction stick, and securing rod pilot hole is along wire jumper conduction stick
Radially extend, one end of securing rod is stretched into lock hole.
The locking ejector half strain clamp of this programme is not only installed, detachable maintaining is convenient；And strain clamp Stability Analysis of Structures, can
Effectively solve because being loosened between upper drainage part and wire jumper drainage part, and influence the service life of strain clamp, reduce power supply
The problem of reliability.
Preferably, the side for abutting against the radial direction latch segment on the bottom surface of annular locking slot is the bottom with annular locking slot
The arc locking face that face coordinates.
Preferably, the medial surface of securing rod pilot hole is provided 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 securing rod
Provided with securing rod limited block, and securing rod limited block is located between annular inner limited block and the outer limited block of annular, in securing rod limit
Back-moving spring is arranged with, one end of back-moving spring is against on the outer limited block of annular, and the other end of back-moving spring is against securing rod limit
On the block of position, securing rod limited block is against on annular inner limited block.
Preferably, axially directed hole includes the upper of lower pilot hole and the lower pilot hole of connection and the upper surface of tapered plugging rod
Pilot hole, the internal diameter of upper pilot hole are more 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 provided with the axially extending stopper slot along wire jumper conduction stick, the cunning
Dynamic guide rod is provided with the sliding block coordinated with stopper slot, and sliding block is stretched into stopper slot.
Preferably, by being weldingly connected between the top of upper conduction stick and wire clip body.
The beneficial effects of the utility model are：Not only installation, detachable maintaining are convenient；And strain clamp Stability Analysis of Structures, can
Effectively solve because being loosened between upper drainage part and wire jumper drainage part, and influence the service life of strain clamp, reduce power supply
The problem of reliability.
Brief description of the drawings
Fig. 1 is a kind of structural representation of locking ejector half strain clamp of the present utility model.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is the partial enlarged drawing at B in Fig. 1.
In figure：
Wire clip body 1；
Upper conduction stick 2, tapered plugging hole 2.1；
Wire jumper conduction stick 3, tapered plugging rod 3.1；
Anti-loosening attachment 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 gland 4.3, securing rod 4.4, pretension compression spring 4.5, connecting rod 4.6, radially-directed hole
4.7, radial direction latch segment 4.8, lock hole 4.9, securing rod pilot hole 4.10, back-moving 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.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
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 wire phase
Even.Drainage body includes upper conduction stick 2, wire jumper conduction stick 3 and anti-loosening attachment structure 4.The bottom of wire jumper conduction stick and wire jumper 5
It is connected.
By being weldingly connected between the top of upper conduction stick and wire clip body.The lower surface of upper conduction stick is provided with tapered plugging
Hole 2.1, the internal diameter in tapered plugging hole are gradually reduced inside by the port in tapered plugging hole.
The top of wire jumper conduction stick is provided with the tapered plugging rod 3.1 being engaged with tapered plugging hole.Wire jumper conduction stick and cone
Shape grafting rod is coaxial.The taper of the lateral surface of tapered plugging rod is identical with the taper of the medial surface in tapered plugging hole.Tapered plugging
Rod is plugged in tapered plugging hole, and the lateral surface of tapered plugging rod is abutted against on the medial surface in tapered plugging hole.
Anti-loosening attachment structure is used to connect conduction stick and wire jumper conduction stick.
As shown in Figure 1, Figure 2, Figure 3 shows, anti-loosening attachment structure includes the annular being arranged on the medial surface in tapered plugging hole
Locking slot 4.0, it is arranged on the upper of wire jumper conduction stick and the axially directed hole 4.1 coaxial with wire jumper conduction stick, is slidably arranged in axle
Sliding guide 4.2 into pilot hole, pretightning force gland 4.3, some wire jumpers that are arranged on being slidably located on sliding guide draw
Flow the radially-directed hole 4.7 being connected on the lateral surface of rod and with axially directed hole, be slidably arranged in radial guiding correspondingly
Radial direction latch segment 4.8 into hole, the securing rod for being arranged on the lateral surface of wire jumper conduction stick and being connected with axially directed hole
Pilot hole 4.10, the securing rod 4.4 being slidably arranged in securing rod 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 rod.Under axially directed hole includes
Pilot hole 4.1b and the lower pilot hole of connection and the upper pilot hole 4.1a of the upper surface of tapered plugging rod.The internal diameter of upper pilot hole is more than
The internal diameter of lower pilot hole.The medial surface of lower pilot hole is provided with the axially extending stopper slot along wire jumper conduction stick.Sliding guide
It is slidably arranged in lower pilot hole.Sliding guide is provided with the sliding block coordinated with stopper slot, and sliding block is stretched into stopper slot.Radial guiding
The upper pilot holes of Xiang Kongyu are connected.
The lower ending opening of pretightning force gland.The upper end closed of pretightning force gland.The upper end of sliding guide is by pretightning force gland
Lower ending opening stretch into pretightning force gland.The upper end of sliding guide is located in pretightning force gland.In pretightning force gland and it is located at
Pretension compression spring 4.5 is provided between the upper end of sliding guide and the upper end of pretightning force gland.The upper end of pretightning force gland is located at
The outside in axially directed hole, the upper end of pretightning force gland are resisted against on the end face in tapered plugging hole.
The internal diameter of annular locking slot gradually increases on the direction inside of the port by tapered plugging hole, specifically, ring
The internal diameter of the bottom surface of shape locking slot gradually increases on the direction inside of the port by tapered plugging hole.
It is connected between radial direction latch segment and sliding guide by connecting rod 4.6.One end of connecting rod is hinged phase with sliding guide
Even, the other end is hinged and connected with radial direction latch segment.The one side of radial direction latch segment is abutted against on the bottom surface of annular locking slot, and tightly
The side for leaning against the radial direction latch segment on the bottom surface of annular locking slot is the arc locking face with the bottom surface of annular locking slot.
As shown in Figure 1, Figure 3, securing rod pilot hole is located at the lower section of upper conduction stick.Securing rod pilot hole is along wire jumper conduction stick
Radially extend.The medial surface of securing rod pilot hole is provided 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 securing rod is provided with securing rod limited block 4.14, and securing rod limited block be located at annular inner limited block with
Between the outer limited block of annular.Back-moving spring 4.12 is arranged with securing rod limit, back-moving spring is located at securing rod limited block and annular
Between outer limited block.One end of back-moving spring is against on the outer limited block of annular, and it is spacing that the other end of back-moving spring is against securing rod
On block.Securing rod limited block is against on annular inner limited block.Lock hole radially extends along sliding guide.Stretch one end of securing rod
Enter in lock hole.
The locking ejector half strain clamp of the present embodiment it is specifically used as follows：
First, securing rod is pulled out and separated with lock hole；
By radial direction latch segment toward radially-directed hole internal pressure, radial direction latch segment is completely forced into radially-directed hole；Radially
Latch segment is toward during the internal pressure of radially-directed hole, and connecting rod will promote sliding guide up to move, so that lock hole and locking
Bar staggers, and the inner of securing rod will be against on the lateral surface of sliding guide in the presence of back-moving spring；
Second, the tapered plugging rod of wire jumper conduction stick is inserted in tapered plugging hole, and make the lateral surface of tapered plugging rod
On the medial surface for abutting against tapered plugging hole；During tapered plugging rod is toward insertion in tapered plugging hole, pretightning force gland
Upper end will first be resisted against on the end face in tapered plugging hole, then, sliding guide is made in the presence of pretension compression spring down
Mobile, during sliding guide moves down, radial direction latch segment will be driven by connecting rod, and radially pilot hole ejects outward；When
When the lateral surface of tapered plugging rod is abutted against on the medial surface in tapered plugging hole, the arc locking face of radial direction latch segment abuts against ring
On the bottom surface of shape locking slot, while lock hole is aligned with securing rod, and the inner of securing rod is stretched automatically in the presence of back-moving spring
Enter in lock hole, lock sliding guide（I.e. fixed sliding guide）.
The pretightning force gland of the present embodiment and the structure of pretension compression spring not only can provide pretightning force for sliding guide,
Radial direction latch segment is set to abut against on the bottom surface of annular locking slot；And it can ensure that the lateral surface of tapered plugging rod can abut against
On the medial surface in tapered plugging hole, now gap is avoided between tapered plugging rod and tapered plugging hole.
When the arc locking face of radial direction latch segment is abutted against on the bottom surface of annular locking slot, and securing rod insertion lock hole
Interior, after locking sliding guide, the tapered plugging rod of wire jumper conduction stick reliably will be fixed on taper and inserted by anti-loosening attachment structure
Connect in hole, ensure drainage body Stability Analysis of Structures, it is not only installed, conveniently, and can avoid the tapered plugging rod of wire jumper conduction stick with
The tapered plugging hole of upper conduction stick loosens, and then effectively solves because being loosened between upper drainage part and wire jumper drainage part,
And influence the service life of strain clamp, reduce power supply reliability the problem of.
On the other hand, securing rod is pulled out and separated with lock hole, it is possible to by wire jumper conduction stick by being torn open on upper conduction stick
Unload, its detachable maintaining is convenient.
Claims (6)
1. a kind of locking ejector half strain clamp, including wire clip body and drainage body, the wire clip body are connected with wire, its feature
It is that the drainage body includes：
Upper conduction stick, the top of upper conduction stick are connected with wire clip body, and the lower surface of upper conduction stick is provided 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 provided with the tapered plugging rod being engaged with tapered plugging hole, tapered plugging rod
It is plugged in tapered plugging hole, the lateral surface of tapered plugging rod is abutted against on the medial surface in tapered plugging hole；And
Anti-loosening attachment structure, anti-loosening attachment structure are used to connect conduction stick and wire jumper conduction stick.
2. locking ejector half strain clamp according to claim 1, it is characterized in that, the anti-loosening attachment structure includes setting
Annular locking slot on the medial surface in tapered plugging hole, it is arranged on the upper of wire jumper conduction stick and the axle coaxial with wire jumper conduction stick
If to pilot hole, the sliding guide being slidably arranged in axially directed hole, the pretightning force gland being slidably located on sliding guide,
The dry radially-directed hole for being arranged on the lateral surface of wire jumper conduction stick and being connected with axially directed hole, one-to-one slide set
The radial direction latch segment in radially-directed hole is put, is arranged on the lateral surface of wire jumper conduction stick and is connected with axially directed hole
Securing rod pilot hole, the securing rod being slidably arranged in securing rod pilot hole and the locking being arranged on sliding guide lateral surface
Hole,
The upper end in the axially directed hole up extends and is connected with the upper surface of tapered plugging rod, the sliding guide it is upper
Hold in pretightning force gland, the upper end closed of pretightning force gland, in pretightning force gland and positioned at the upper end of sliding guide and in advance
Pretension compression spring is provided between the upper end of clamp force gland, the upper end of pretightning force gland is resisted against on the end face in tapered plugging hole；
The internal diameter of the annular locking slot gradually increases 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 direction latch segment, and the one side of radial direction latch segment is abutted against on the bottom surface of annular locking slot；
The securing rod pilot hole is located at the lower section of upper conduction stick, and securing rod pilot hole radially extends along wire jumper conduction stick, lock
One end of fixed pole is stretched into lock hole.
3. locking ejector half strain clamp according to claim 2, it is characterized in that, on the bottom surface for abutting against annular locking slot
The side of radial direction latch segment is the arc locking face with the bottom surface of annular locking slot.
4. locking ejector half strain clamp according to claim 2, it is characterized in that, on the medial surface of the securing rod pilot hole
Provided with annular inner limited block and the outer limited block of annular, annular inner limited block is close to axially directed hole, and the outer limited block of annular is close to jump
The lateral surface of line conduction stick, the lateral surface of the securing rod is provided with securing rod limited block, and securing rod limited block is positioned at annular
Between inner limited block and the outer limited block of annular, back-moving spring is arranged with securing rod limit, one end of back-moving spring is against outside annular
On limited block, the other end of back-moving spring is against on securing rod limited block, and securing rod limited block is against on annular inner limited block.
5. locking ejector half strain clamp according to claim 2, it is characterized in that, the axially directed hole includes lower pilot hole
And the lower pilot hole of connection and the upper pilot hole of the upper surface of tapered plugging rod, the internal diameter of upper pilot hole are more than the interior of lower pilot hole
Footpath, the sliding guide are slidably arranged in lower pilot hole, and the radially-directed hole is connected with upper pilot hole.
6. locking ejector half strain clamp according to claim 5, it is characterized in that, the medial surface of the lower pilot hole is provided with
Along the axially extending stopper slot of wire jumper conduction stick, the sliding guide is provided with the sliding block coordinated with stopper slot, and sliding block stretches into
In stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986214.XU CN207134771U (en) | 2017-08-08 | 2017-08-08 | Locking ejector half strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986214.XU CN207134771U (en) | 2017-08-08 | 2017-08-08 | Locking ejector half strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134771U true CN207134771U (en) | 2018-03-23 |
Family
ID=61640475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720986214.XU Active CN207134771U (en) | 2017-08-08 | 2017-08-08 | Locking ejector half strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207134771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706864A (en) * | 2017-08-08 | 2018-02-16 | 国网浙江省电力公司丽水供电公司 | A kind of locking ejector half strain clamp |
-
2017
- 2017-08-08 CN CN201720986214.XU patent/CN207134771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706864A (en) * | 2017-08-08 | 2018-02-16 | 国网浙江省电力公司丽水供电公司 | A kind of locking ejector half strain clamp |
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