CN106033847B - Cold joint - Google Patents
Cold joint Download PDFInfo
- Publication number
- CN106033847B CN106033847B CN201510115197.8A CN201510115197A CN106033847B CN 106033847 B CN106033847 B CN 106033847B CN 201510115197 A CN201510115197 A CN 201510115197A CN 106033847 B CN106033847 B CN 106033847B
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- Prior art keywords
- main part
- cold junction
- extension
- interconnecting piece
- junction according
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- 230000004308 accommodation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 210000000080 chela (arthropods) Anatomy 0.000 description 5
- 102000002322 Egg Proteins Human genes 0.000 description 3
- 108010000912 Egg Proteins Proteins 0.000 description 3
- 210000003278 egg shell Anatomy 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
- Adornments (AREA)
Abstract
The invention provides a cold joint, which comprises a first main body part and a second main body part which are detachably connected; a cavity with an opening at one end is arranged in the first main body part, and a twisted wire part is arranged on the bottom wall of the first main body part opposite to the opening; the second main body part is provided with a through hole, and the projection of the through hole is positioned on the bottom wall of the first main body part, which is provided with the twisted wire part. The cold joint changes the existing installation mode of using the cold cutting pliers clamp into a screwing installation mode, and the cold joint can be thickened properly because the cold cutting pliers are not used, so that the cold joint meets the safety requirement on one hand, and the problem of breaking the cold joint by clamping can be avoided on the other hand.
Description
Technical field
The present invention relates to the cold junctions being commonly used in assembly field more particularly to a kind of assembly technology.
Background technology
It generally to be used to three employees, employee's wiring when the cold junction installation used in assembly technology at present, one
A employee beats cold junction, there are one employee to cold joint headgear casing or egg shell (because current cold junction is touched than relatively thin
Pressure-resistant performance can be all caused not meet safety requirement to product inner wall)；And current cold junction is often sent out in use
Existing the case where breaking cold junction, also will appear and not have the phenomenon that urgent, leakage copper wire, complains there are certain safety and after sale hidden
Suffer from.In short, there are following disadvantages for cold junction used at present：(1) wall is thin, and safety requirement is not achieved, and needs to coordinate egg
Shell, casing etc. are used together；(cold section of clamp is motionless if cold junction is too thick, can not operate)；(2) it easily clips broken, production line gas
Press unstable, the excessive cold junction that is easy to cause of dynamics clips broken；(3) the cold section of pincers used have certain danger, belong to special hilllock
Position, and pliers has service life limitation；(4) operating procedure is more complicated, beat is slow；(5) the phenomenon that being easy to happen leakage copper wire.Therefore existing
The use scope of some cold junctions is limited, and its use cost and quality cost are higher.
Invention content
For above-mentioned cold junction use cost and the higher problem of quality cost, the object of the present invention is to provide a kind of new
Cold junction, the cold junction is easy for installation, meets safety requirement.
Technical scheme is as follows：
A kind of cold junction, including the first main part and the second main part that are detachably connected；
The cavity for being internally provided with one end open of first main part, in first main part and the opening
Twisted wire portion is provided on opposite bottom wall；
Through-hole is provided on second main part, and the through-hole is along the axial in first main part of the through-hole
On projection being provided on the bottom wall in the twisted wire portion positioned at first main part.
The twisted wire portion is several strand teeth in one of the embodiments, and described one end for twisting tooth is fixed on the bottom
On wall；The shape for twisting tooth is sickle-shaped, crescent, bimonthly thread form, spring shape or Double-spiral.
First main part and second main part are threadedly coupled in one of the embodiments,.
First main part includes receiving portion and interconnecting piece in one of the embodiments, and the cavity is arranged in institute
It states in receiving portion, the interconnecting piece is arranged in the open end of the cavity, the internal diameter of the interconnecting piece and second main part
Outer diameter be adapted；
It is provided with internal thread on the interconnecting piece, is provided on second main part and is matched with the internal thread
External screw thread, first main part connected by the internal thread with the external screw thread with second main part.
Second main part includes the clamping section being connected with each other and interconnecting piece in one of the embodiments, and described
The internal diameter of interconnecting piece is adapted with the outer diameter of first main part；
It is provided with internal thread on the interconnecting piece, is provided on first main part and is matched with the internal thread
External screw thread, first main part connected by the internal thread with the external screw thread with second main part.
It is provided in one of the embodiments, in the internal thread or externally threaded bottom and avoids first main part
With the vacancy screw thread of the second main part derotation.
In one of the embodiments, protrusion is provided on the madial wall of first main part；
It is provided with extension on second main part；When first main part and the second main part screw thread connect
When connecing, the protrusion compresses the extension.
The protrusion and the extension are annular in shape in one of the embodiments,.
The face of the protrusion being in contact with the extension is inclined-plane in one of the embodiments,；The protrusion
The oblique direction away from the twisted wire portion in portion tilts.
The face of the extension being in contact with the protrusion is inclined-plane, the stretching in one of the embodiments,
The inclined-plane in portion is tilted to close to the direction of second main part.
The internal diameter of the through-hole of the extension is along close to the direction of first main part in one of the embodiments,
It is gradually reduced.
The beneficial effects of the invention are as follows：
(1) cold junction of the invention is by by cold junction split settings, by the existing mounting means using cold section of clamp
It is changed to the mounting means of screwing type, due to can suitably be thickeied without using the cold junction of cold section of pincers therefore the present invention, such side
Face meets safety requirement, on the other hand can be to avoid cold junction is clipped broken the problem of；
(2) it after changing mounting means, has been saved in use cost manually, cold section of pincers need not be used, reduce peace
Dress up this；
(3) operating procedure is simplified, efficiency of assembling is improved；
(4) cold junction of the invention avoids the problem of copper wire exposes.
Description of the drawings
Fig. 1 is the overall schematic of one embodiment of the cold junction of the present invention；
Fig. 2 is the schematic top plan view of cold junction shown in FIG. 1.
Specific implementation mode
In order to make the object, technical solution and advantage of the cold junction of the present invention be more clearly understood, below in conjunction with specific attached
Figure and specific embodiment, the present invention will be described in further detail.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Referring to Fig. 1 and Fig. 2, the present invention provides a kind of cold junctions, including the first main part 100 and the second main part 200；
The cavity 101 for being internally provided with one end open of first main part 100, in being opened with described for first main part 100
It is provided with twisted wire portion 103 on the opposite bottom wall 102 of mouth；Through-hole 210, and the through-hole are provided on second main part 200
210 along through-hole 210 axial projection (the positive throwing in the horizontal direction in direction as shown in Figure 1 on the first main part 100
Shadow) being provided on the bottom wall 102 in the twisted wire portion 103 positioned at first main part 100.100 He of wherein the first main part
Second main part 200 is split type, and is detachably connected between the first main part 100 and the second main part 200.This implementation
First main part 100 described in example and second main part 200 are threadedly coupled.
The cold junction of the present invention improves existing cold junction, cold junction is divided into two parts, this two parts
Between using be threadedly coupled by the way of, that is to say, that two parts can be fixed by the way of knob and connect lead, this
Sample does not need cold section of pincers when operating, and thus can suitably thicken the wall thickness of cold junction, the larger cold junction of wall thickness can reach
It to safety requirement, need not be centainly used cooperatively with casing or egg shell, while the larger cold junction of wall thickness is not easy to clip broken.
Twisted wire portion 103 in first main part 100 is for twisted with wiring, by the leakage copper wire of wiring from the when use
It is inserted into the through-hole 210 of two main parts 200, until the leakage copper wire of wiring touches twisted wire portion 103；Then by the first main part
100 and second main part 200 screwed by screw thread, while screwing the leakage copper wire of wiring and twisted wire portion 103 carry out occlusion to
Complete wiring.Current cold junction is to sting the copper wire in close-fitting line using the deformation of its internal copper sheet, but operate in this way
It has been easy to copper wire to spill, cold junction of the invention changes previous insertion and stings the tight mode of connection, wiring and copper wire
Combination with twisted wire portion is tighter with the more occlusions of the number of rotation, and wiring and twisted wire portion are 360 degree around crimpings, are kept away completely
The problem of copper wire exposes is exempted from.
It is analyzed from use cost, cold junction of the invention need not use cold section of pincers, therefore only need zooid's work order
The installation that cold junction solely can be completed, saves cost of labor and equipment cost；The cold junction of the present invention will without realizing simultaneously
The leakage copper wire of two wirings twists together, it is only necessary to pass through through-hole, therefore simplify operating procedure, improve assembly speed
Degree.According to statistics, the assembling speed of cold junction improves 4 times.
Preferably, as a kind of embodiment, referring to Fig. 1, the twisted wire portion 103 is several strand teeth, the strand tooth
One end be fixed on the bottom wall 102, twist tooth the other end be free end；It is described twist tooth shape be sickle-shaped, crescent,
Bimonthly thread form, spring shape or Double-spiral.Best in order to make the occlusion of strand tooth and wiring achieve the effect that, the shape for twisting tooth can be with
Be it is diversified, can be according to actual design strand tooth of different shapes.Referring to Fig. 1, can be arranged in parallel between several strand teeth,
Non-parallel it can also be arranged, preferably all free ends for twisting tooth preferably intersect at a point.
First main part 100 and the second main part 200 are connected through a screw thread.As a kind of embodiment, referring to Fig. 1,
First main part 100 includes receiving portion 110 and interconnecting piece 120, and the cavity 101 is arranged in described accommodation section 110, institute
Interconnecting piece 120 is stated to be arranged in the open end of the cavity 101, the internal diameter of the interconnecting piece 120 and second main part 200
Outer diameter is adapted；Internal thread 121 is provided on the interconnecting piece 120, be provided on second main part 200 with it is described
121 matched external screw thread 201 of internal thread, first main part 100 and second main part 200 pass through the internal thread
121 and the external screw thread 201 connect.The second main part 200 is threadedly attached in the inside of interconnecting piece in the present embodiment.
As another embodiment, second main part 200 includes the clamping section being connected with each other and interconnecting piece, and institute
The internal diameter for stating interconnecting piece is adapted with the outer diameter of first main part 100；It is provided with internal thread on the interconnecting piece, in institute
It states and is provided on the first main part and the matched external screw thread of the internal thread, first main part and second main part
It is connected with the external screw thread by the internal thread.The first main part 100 and the second main part 200 screw connection in the present embodiment
Afterwards, a part for the first main part 100 is located in the second main part.
Preferably, as a kind of preferable embodiment, the first main part 100 can be avoided by being provided in the bottom of screw thread
With the vacancy screw thread of 200 derotation of the second main part.The vacancy screw thread can be while being tightened onto the bottom of thread by the first main body
Portion and the second main part are tightly spun on together, then reversely unscrewed when is invalid, and setting in this way can effectively be kept away
Exempt from the possibility for causing helicitic texture to unscrew helicitic texture under the action of negative direction power when product shakes, further increases peace
The reliability of dress.It is both provided with vacancy screw thread in internal thread and externally threaded bottom in the present embodiment, it can also be only in internal thread
Or vacancy screw thread is set only on external screw thread.
Preferably, as a kind of embodiment, referring to Fig. 1, it is provided on the madial wall of first main part 100
Protrusion 130；It is provided with extension 220 on second main part 200；When first main part 100 and described second
When main part 200 is threadedly coupled, the protrusion 130 compresses the extension 220.In the first main part 100 and the second main body
During portion 200 screws, protrusion 130 can compress extension 220, and this makes it possible to compress in extension 220
Wiring, the wiring wrung in this way and twisted wire portion would not rip or fall off under the pullling of external force.
Protrusion 130 can be annular in shape, or several pawls, likewise, extension 220 can also be annular in shape, it can
Think several pawls.Preferably, the protrusion 130 and the extension 220 are annular in shape, and setting in this way can ensure to protrude
Portion compresses extension completely.
More preferably, the face 131 of the protrusion 130 being in contact with the extension 220 is inclined-plane；The protrusion
130 inclined-plane 131 is tilted to the direction far from the twisted wire portion 103.Setting inclined-plane can preferably compress extension 220.Ginseng
See Fig. 1, the angle between two opposite inclined-planes is less than 90 degree.
Further, the face 221 of the extension 220 being in contact with the protrusion 130 is inclined-plane, the extension
220 inclined-plane 221 is tilted to close to the direction of second main part 200.Angle between two opposite inclined-planes 221 is less than
90 degree.
Preferably, the internal diameter of the through-hole of the extension 220 gradually subtracts along close to the direction of first main part 100
It is small.Setting can be good at clamping wiring in this way, and wiring is avoided to fall off.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be subject to claim.
Claims (11)
1. a kind of cold junction, which is characterized in that including the first main part (100) being detachably connected and the second main part (200)；
The cavity (101) for being internally provided with one end open of first main part (100), in first main part (100)
Be provided with twisted wire portion (103) on the opposite bottom wall (102) of the opening；
Through-hole (210) is provided on second main part (200), and the through-hole (210) is along the axial direction of the through-hole (210)
Projection on first main part (100) is located at the twisted wire portion (103) that is provided with of first main part (100)
On bottom wall (102)；
The twisted wire portion is several strand teeth, and described one end for twisting tooth is fixed on the bottom wall, and the other end for twisting tooth is
Free end.
2. cold junction according to claim 1, which is characterized in that the shape for twisting tooth is sickle-shaped, crescent, bimonthly
Thread form, spring shape or Double-spiral.
3. cold junction according to claim 1, which is characterized in that first main part (100) and second main body
Portion (200) is threadedly coupled.
4. cold junction according to claim 3, which is characterized in that first main part (100) includes receiving portion (110)
With interconnecting piece (120), the cavity (101) is arranged in described accommodation section (110), and the interconnecting piece (120) is arranged described
The open end of cavity (101), the internal diameter of the interconnecting piece (120) are adapted with the outer diameter of second main part (200)；
Internal thread (121) is provided on the interconnecting piece (120), be provided on second main part (200) with it is described
The matched external screw thread of internal thread (201), first main part (100) and second main part (200) pass through described interior
Screw thread (121) and the external screw thread (201) connection.
5. cold junction according to claim 3, which is characterized in that second main part (200) includes being connected with each other
Clamping section and interconnecting piece, and the internal diameter of the interconnecting piece is adapted with the outer diameter of first main part (100)；
It is provided with internal thread on the interconnecting piece, is provided on first main part matched outer with the internal thread
Screw thread, first main part (100) are connected by the internal thread with the external screw thread with second main part (200).
6. cold junction according to claim 4 or 5, which is characterized in that set in the internal thread and/or externally threaded bottom
It is equipped with the vacancy screw thread for avoiding first main part (100) and second main part (200) derotation.
7. cold junction according to claim 1, which is characterized in that set on the madial wall of first main part (100)
It is equipped with protrusion (130)；
It is provided with extension (220) on second main part (200)；When first main part (100) and described second
When main part (200) is threadedly coupled, the protrusion (130) compresses the extension (220).
8. cold junction according to claim 7, which is characterized in that the protrusion (130) and the extension (220) are equal
Annularly.
9. cold junction according to claim 7, which is characterized in that the protrusion (130) with the extension (220)
The face (131) being in contact is inclined-plane；The oblique direction away from the twisted wire portion (103) of the protrusion (130) tilts.
10. cold junction according to claim 7, which is characterized in that the extension (220) with the protrusion
(130) face (221) being in contact is inclined-plane, and the inclined-plane of the extension (220) is to close to the side of second main part (200)
To inclination.
11. cold junction according to claim 7, which is characterized in that the internal diameter of the through-hole of the extension (220) along by
The direction of nearly first main part (100) is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115197.8A CN106033847B (en) | 2015-03-16 | 2015-03-16 | Cold joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115197.8A CN106033847B (en) | 2015-03-16 | 2015-03-16 | Cold joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106033847A CN106033847A (en) | 2016-10-19 |
| CN106033847B true CN106033847B (en) | 2018-09-11 |
Family
ID=57150146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115197.8A Active CN106033847B (en) | 2015-03-16 | 2015-03-16 | Cold joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106033847B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545520B (en) * | 2018-12-25 | 2020-08-18 | 乐变电气有限公司 | Utilize fixed transformer of switching power supply for electric teaching of shell fragment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309622Y (en) * | 1996-12-13 | 1999-03-03 | 高胜利 | Wire connector |
| CN2461167Y (en) * | 2000-12-20 | 2001-11-21 | 高胜利 | Wire connector |
| KR101007632B1 (en) * | 2010-02-10 | 2011-01-12 | 벽산파워 주식회사 | Wire connector equipped electric wire twisting function |
| CA2683594A1 (en) * | 2009-11-02 | 2011-05-02 | Jason Swist | Twist on wire connector |
| CN203553453U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Cable crimping head |
| CN204481140U (en) * | 2015-03-16 | 2015-07-15 | 格力电器（中山）小家电制造有限公司 | Cold joint |
-
2015
- 2015-03-16 CN CN201510115197.8A patent/CN106033847B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309622Y (en) * | 1996-12-13 | 1999-03-03 | 高胜利 | Wire connector |
| CN2461167Y (en) * | 2000-12-20 | 2001-11-21 | 高胜利 | Wire connector |
| CA2683594A1 (en) * | 2009-11-02 | 2011-05-02 | Jason Swist | Twist on wire connector |
| KR101007632B1 (en) * | 2010-02-10 | 2011-01-12 | 벽산파워 주식회사 | Wire connector equipped electric wire twisting function |
| CN203553453U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Cable crimping head |
| CN204481140U (en) * | 2015-03-16 | 2015-07-15 | 格力电器（中山）小家电制造有限公司 | Cold joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106033847A (en) | 2016-10-19 |
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