CN205004466U - Wire holder - Google Patents
Wire holder Download PDFInfo
- Publication number
- CN205004466U CN205004466U CN201520813121.8U CN201520813121U CN205004466U CN 205004466 U CN205004466 U CN 205004466U CN 201520813121 U CN201520813121 U CN 201520813121U CN 205004466 U CN205004466 U CN 205004466U
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- CN
- China
- Prior art keywords
- junction block
- post
- insulated wire
- binding post
- plectrum
- 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 discloses a wire holder, it includes wire holder main part and binding post, the both sides of wire holder main part are equipped with the first terminal mouth and second terminal mouth respectively, binding post inserts removablely and locates in the terminal mouth, wherein, still be equipped with conductive element, insulating line ball post and spring in the wire holder main part, conductive element runs through the first terminal mouth with second terminal mouth, insulating line ball post will under the effect of spring force binding post presses conductive element is last. The utility model discloses a wire holder adopts the spring force to realize binding post's the connection that compresses tightly, has ensured that the binding post atress is stable, and non -deformable can realize dismantling repeatedly.
Description
Technical field
The utility model relates to electric component, is specifically related to a kind of junction block.
Background technology
Junction block is a kind of very common electric component, such as, be used in various electrical equipment or electrical appliance kit, realizes the docking etc. of wire.For air conditioner, the junction block used in currently available technology is made up of four parts, that is, insulation wire holder main body, conduction steel disc, Cruciform slot panhead screw and binding post.In use, wire is connected with binding post, when inserting respectively behind corresponding terminals rim of the mouth with the binding post input that wire connects or output, tightening screw with screwdriver, just can realize the docking of wire.
Although this junction block of prior art is relatively simple for structure, line and disconnect process need repeatedly to tighten or knockout screw, operate more loaded down with trivial details; In addition, for narrow and small electrical appliance kit space, use the operation of screwdriver to have inconvenience more; Meanwhile, the size due to the power of tightening screw is difficult to accurately determine, often excessive or too small, can cause when pretightning force is excessive binding post be out of shape (being such as crushed), easily cause Joint failure again, and connect when pretightning force is too small unreliable, easily get loose, cause potential safety hazard.
Utility model content
In view of the above present situation of prior art, main purpose of the present utility model is to provide a kind of junction block, and it can ensure binding post stability under loading, and easy to use.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of junction block, it comprises junction block main body and binding post, the both sides of described junction block main body are respectively equipped with first end rim of the mouth and the second terminal mouth, described binding post is detachably inserted in described terminal mouth, wherein, also be provided with conducting element, insulated wire pressuring post and spring in described junction block main body, described conducting element runs through described first end rim of the mouth and described second terminal mouth, and described binding post is pressed on described conducting element by described insulated wire pressuring post under spring force.
Preferably, the anti-disengagement structure of male-female engagement is provided with between the contact-making surface of described conducting element and described binding post.
Preferably, described conducting element is elastic conducting strip, and the two ends of described elastic conducting strip have revers turn part, and described revers turn part is supported on the bottom surface of described first end rim of the mouth and the second terminal mouth.
Preferably, the upper surface of described elastic conducting strip is waveform, and the lower surface of described binding post is the waveform of coupling.
Preferably, the back side of described elastic conducting strip is waveform or triangular waveform.
Preferably, described spring is be set in the cylindrical compression spring on described insulated wire pressuring post.
Preferably, the bottom of described insulated wire pressuring post is provided with flange, and be provided with step surface in the hole for housing insulation line ball post in described junction block main body, described cylindrical compression spring is between described flange and described step surface.
Preferably, described junction block also comprises plectrum, and described plectrum is slidably arranged in the plectrum groove of described junction block body top, and described insulated wire pressuring post is provided with the axially loaded face for coordinating with described plectrum.
Preferably, the front end of described plectrum and described axially loaded face one of be at least provided with lozenges.
Preferably, the top of described insulated wire pressuring post is provided with otch or ring-shaped groove, and the upper side of described otch or the upper side of described ring-shaped groove form described axially loaded face.
Preferably, described junction block main body penetrates into the bottom of described junction block main body for the hole of housing insulation line ball post, the bottom in described hole is provided with shutoff element.
The compression that junction block of the present utility model adopts spring force to realize binding post connects, and ensure that binding post stability under loading, not yielding, can realize repeatedly dismantling.Junction block of the present utility model, preferably by the anti-disengagement structure arranging male-female engagement, can realize connecting reliably.Junction block of the present utility model is preferably by arranging plectrum, and the unlatching that can realize insulated wire pressuring post, with closed, is easy to operate quick.Junction block of the present utility model is applicable to various occasion, and be particularly useful for the place that structure space is limited, the scope of application is wide.
Accompanying drawing explanation
Be described according to the preferred implementation of junction block of the present utility model hereinafter with reference to accompanying drawing.In figure:
Fig. 1 is the main cross-sectional schematic of junction block of the present utility model;
Fig. 2 is the left cross-sectional schematic of the junction block of Fig. 1;
Fig. 3 is the decomposition view of the junction block of Fig. 1;
Fig. 4 is the appearance schematic diagram of the elastic conducting strip in the junction block of Fig. 1;
Fig. 5 is the appearance schematic diagram of the plectrum in the junction block of Fig. 1;
Fig. 6 is the appearance schematic diagram of the insulated wire pressuring post in the junction block of Fig. 1; And
Fig. 7 is the partial enlarged view at Fig. 3 circle position, shows the structure of terminal mouth.
Embodiment
For the present situation of prior art, the utility model provides a kind of junction block, and its preferred structure as Figure 1-3.This junction block comprises junction block main body 1 and binding post 2, the both sides of described junction block main body 1 are respectively equipped with first end rim of the mouth 3 and the second terminal mouth 4, such as, first end rim of the mouth and the second terminal mouth are arranged in pairs, in the illustrated embodiment in which, be provided with four rims of the mouth, opposite end, described binding post 2 is detachably inserted in each described terminal mouth.Wherein, conducting element 5, insulated wire pressuring post 6 and spring 7 is also provided with in described junction block main body 1, described conducting element 5 runs through described first end rim of the mouth 3 and described second terminal mouth 4 (see Fig. 2), and described binding post 2 is pressed on described conducting element 5 by described insulated wire pressuring post 6 under spring force.
Like this, the compression connection of the line terminals 2 that achieved a butt joint by the spring force of spring 7, the conduction that just can realize the binding post from the binding post of side to opposite side connects, thus when wire is connected with the binding post of both sides respectively, the wire of both sides just can achieve a butt joint.The line unloading process of junction block of the present utility model no longer needs repeatedly to tighten or knockout screw, uses simple, and binding post stability under loading (power be subject to is determined by spring rate, has nothing to do with operator), repeatedly dismantle and also can not deform.
Such as, conducting element 5 can be formed in junction block main body 1 in the mode of insert injection moulding.Alternatively, the passage for being communicated with between first end rim of the mouth and the second terminal mouth, describedly fixedly mounts within it to conducting element 5.
Preferably, the anti-disengagement structure of male-female engagement is provided with between described conducting element 5 and the contact-making surface of described binding post 2.Such as, the contact-making surface of the two can arrange pit and bulge-structure respectively, or groove and convex ridge structure, thus when both be forced into together time, aforementioned structure can resist horizontal pulling force, plays the effect of anti-disengagement.This set greatly strengthen the reliability of connection.
Preferably, described conducting element 5 is elastic conducting strip, preferably conducts electricity steel disc, and the two ends of described elastic conducting strip have revers turn part (specifically can see Fig. 4), and described revers turn part is supported on the bottom surface of described first end rim of the mouth and the second terminal mouth.Wherein, the structure of revers turn part makes elastic conducting strip self form the bridge architecture of two ends freely-supported, impart the elastic deformability that elastic conducting strip is certain, thus when binding post is pressed on this elastic conducting strip by insulated wire pressuring post, suitably can there is strain in this elastic conducting strip.Meanwhile, the structure of revers turn part is also convenient to fix this elastic conducting strip self.Such as, the width of revers turn part is greater than the width (for example, see Fig. 4) of elastic conducting strip main body, thus the body width of first end rim of the mouth and the second terminal mouth is also greater than, the narrow groove (as shown in Figure 7) of horizontal expansion is provided with in the bottom of first end rim of the mouth and the second terminal mouth, the both sides of the edge of revers turn part embed in described narrow groove, thus fix relative to junction block main body.
Preferably, as shown in Figure 2, the upper surface of described elastic conducting strip is waveform, and the lower surface of described binding post is the waveform of coupling.The corrugated structure of this coupling can play the effect of anti-disengagement better.
Further preferably, the back side of described elastic conducting strip is also waveform or is triangular waveform.The waveform at the back side or triangular waveform and the waveform of upper surface follow identical setback path (such as consistent wavelength, phase place consistent), thus entirety presents corrugated main body.
Preferably, described spring 7 is for being set in the cylindrical compression spring on described insulated wire pressuring post 6.Certainly, the spring leaf etc. being arranged on insulated wire pressuring post 6 top is also feasible, as long as its elastic force provided meets the requirements.
As preferred structure, the bottom of described insulated wire pressuring post 6 is provided with flange (Fig. 1-2 is visible), for being provided with step surface (Fig. 1-2 is visible) in the hole of housing insulation line ball post 6 in described junction block main body 1, described cylindrical compression spring is between described flange and described step surface.When adopting this set, those skilled in the art can understand, insulated wire pressuring post 6 needs to assemble from bottom, is also, hole for housing insulation line ball post 6 penetrates into the bottom of junction block main body 1, and insulated wire pressuring post 6 puts in place together with spring 7 is assembled from bottom.Conducting element 5 should not adopt the mode of insert injection moulding to arrange in such cases, and after having assembled insulated wire pressuring post 6, can only carry out installation more fixing, such as, adopt aforesaid elastic conducting strip.After insulated wire pressuring post 6 has been assembled, the installing hole bottom junction block main body 1 then can utilize shutoff element (such as, flat head screw 8) to carry out shutoff.
Flat head screw 8 (such as illustrated crosshead flat head screw) is such as insulated plastic materials and parts, and after it completes shutoff, top can directly contact with elastic conducting strip, plays supporting position-limiting action.And when binding post 2 is crimped on elastic conducting strip by insulated wire pressuring post 6, the supporting of flat head screw 8 below elastic conducting strip also contributes to preventing the excessive strain of elastic conducting strip, thus ensure crimping reliability.
Preferably, after flat head screw 8 completes shutoff and supporting position-limiting action, the revers turn part of elastic conducting strip can come close to or in contact with the periphery of flat head screw 8, thus realizes the assist location to elastic conducting strip, prevents its play along its length.
Alternatively, aforementioned shutoff element also can adopt other insulation system, to realize above-mentioned shutoff and supporting position-limiting action.
Preferably, for convenience of the dismounting of binding post 2, described junction block also comprises plectrum 9, and described plectrum 9 is slidably arranged in the plectrum groove 11 at described junction block main body 1 top, and described insulated wire pressuring post 6 is provided with the axially loaded face for coordinating with described plectrum 9.When insulated wire pressuring post 6 axially loaded face support by plectrum 9 time, insulated wire pressuring post 6 is positioned at a high position, spring 7 is further compressed, between the bottom surface of insulated wire pressuring post 6 and conducting element 5, keeps gap, thus binding post 2 can easily in insertion end rim of the mouth or therefrom extract.When to stir plectrum 9 slidably and make the axially loaded face of insulated wire pressuring post 6 and plectrum 9 disengage, towards conducting element 5 move under spring force by moment for insulated wire pressuring post 6, if now binding post 2 has plugged and has put in place, then be pressed against on conducting element 5 by insulated wire pressuring post 6, thus realize connecting fast.
Such as shown in Figure 5, the main part of plectrum 9 preferably takes the shape of the letter U, thus can balancedly support aforementioned axial stress surface in the both sides of insulated wire pressuring post 6.Preferably also being provided with at the bottom place of its U-shaped the structure raised up, with as stirring force application part, thus can stirring by instrument, simplify wiring process, improve wiring efficiency.Such as, operator manually outwards stirs plectrum, the supporting role between plectrum and insulated wire pressuring post can be made to throw off, complete the compression of pair of wire connection terminals.
In addition, preferably, described in the size of structure on the Width of plectrum that raise up be less than the width of plectrum main part, thus when seeing at end face, plectrum 9 entirety is in inverted T-shaped; Accordingly, plectrum groove 11 is T-slot, such as shown in figs. 1 and 3.
Preferably, for convenience of the mounting or dismounting again of binding post 2, the front end of described plectrum 9 and the axially loaded face of described insulated wire pressuring post 6 one of be at least provided with lozenges.Such as, as shown in Figure 5, lozenges is arranged on the front end place of plectrum 9, thus when insulated wire pressuring post 6 is in low level (namely compressing the position of binding post), inwardly stir plectrum 9, the lozenges of its front end is little by little contacted with axially loaded face, and little by little by insulated wire pressuring post 6 upwards lifting, until its axially loaded face completely support by plectrum 9, insulated wire pressuring post 6 is in a high position again.Now just can remove binding post and insert new binding post as required.
Preferably, the top of described insulated wire pressuring post 6 is provided with otch (as shown in figs. 1 and 6), and the upper side of described otch forms described axially loaded face.Such as, described otch is arranged on the both sides of insulated wire pressuring post 6 symmetrically, and entity width remaining after arranging otch is slightly less than the inside dimension of the U-shaped structure of plectrum 9, thus plectrum 9 can across in the otch of both sides.
Alternatively, the top of described insulated wire pressuring post 6 can also arrange ring-shaped groove, the diameter at ring-shaped groove place is slightly less than the inside dimension of the U-shaped structure of plectrum 9, thus plectrum 9 can across in this ring-shaped groove, and the upper side of this ring-shaped groove then forms described axially loaded face.
As required, junction block of the present utility model only can comprise a pair first end rim of the mouth and the second terminal mouth, also can comprise the above first end rim of the mouth of two couple of being arranged side by side and the second terminal mouth.Correspondingly, insulated wire pressuring post, spring, binding post, plectrum and flat head screw etc. be also a pair or two to more than.
Compared with traditional junction block, the compression that junction block of the present utility model adopts spring force to realize binding post connects, and ensure that binding post stability under loading, not yielding, connects reliable, can realize repeatedly dismantling.Moving by stirring inside and outside plectrum, driving insulated wire pressuring post to move up and down, the unlatching of insulated wire pressuring post can be realized with closed, more convenient.
Junction block of the present utility model is applicable to various occasion, and the scope of application is wide.In particular, junction block of the present utility model is also particularly suitable for the limited place of structure space.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each preferred version freely can combine, superpose.
Be to be understood that, above-mentioned execution mode is only exemplary, and it is nonrestrictive, when not departing from general principle of the present utility model, the various obvious or equivalent amendment that those skilled in the art can make for above-mentioned details or replacement, all will be contained in right of the present utility model.
Claims (11)
1. a junction block, it comprises junction block main body and binding post, the both sides of described junction block main body are respectively equipped with first end rim of the mouth and the second terminal mouth, described binding post is detachably inserted in described terminal mouth, it is characterized in that, also be provided with conducting element, insulated wire pressuring post and spring in described junction block main body, described conducting element runs through described first end rim of the mouth and described second terminal mouth, and described binding post is pressed on described conducting element by described insulated wire pressuring post under spring force.
2. junction block according to claim 1, is characterized in that, is provided with the anti-disengagement structure of male-female engagement between the contact-making surface of described conducting element and described binding post.
3. junction block according to claim 1, is characterized in that, described conducting element is elastic conducting strip, and the two ends of described elastic conducting strip have revers turn part, and described revers turn part is supported on the bottom surface of described first end rim of the mouth and the second terminal mouth.
4. junction block according to claim 3, is characterized in that, the upper surface of described elastic conducting strip is waveform, and the lower surface of described binding post is the waveform of coupling.
5. junction block according to claim 4, is characterized in that, the back side of described elastic conducting strip is waveform or triangular waveform.
6. according to the junction block one of claim 1-5 Suo Shu, it is characterized in that, described spring is be set in the cylindrical compression spring on described insulated wire pressuring post.
7. junction block according to claim 6, it is characterized in that, the bottom of described insulated wire pressuring post is provided with flange, and be provided with step surface in the hole for housing insulation line ball post in described junction block main body, described cylindrical compression spring is between described flange and described step surface.
8. according to claim 1-5, one of 7 described junction blocks, it is characterized in that, described junction block also comprises plectrum, and described plectrum is slidably arranged in the plectrum groove of described junction block body top, and described insulated wire pressuring post is provided with the axially loaded face for coordinating with described plectrum.
9. junction block according to claim 8, is characterized in that, the front end of described plectrum and described axially loaded face one of be at least provided with lozenges.
10. junction block according to claim 8, is characterized in that, the top of described insulated wire pressuring post is provided with otch or ring-shaped groove, and the upper side of described otch or the upper side of described ring-shaped groove form described axially loaded face.
11. according to claim 1-5,7,9, one of 10 described junction blocks, it is characterized in that, described junction block main body penetrates into the bottom of described junction block main body for the hole of housing insulation line ball post, the bottom in described hole is provided with shutoff element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813121.8U CN205004466U (en) | 2015-10-19 | 2015-10-19 | Wire holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813121.8U CN205004466U (en) | 2015-10-19 | 2015-10-19 | Wire holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004466U true CN205004466U (en) | 2016-01-27 |
Family
ID=55161338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520813121.8U Expired - Fee Related CN205004466U (en) | 2015-10-19 | 2015-10-19 | Wire holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226408A (en) * | 2015-10-19 | 2016-01-06 | 珠海格力电器股份有限公司 | Junction block |
| CN110398632A (en) * | 2019-08-23 | 2019-11-01 | 上海知白智能科技有限公司 | A kind of resistance measurement fixture and resistance measurement method |
-
2015
- 2015-10-19 CN CN201520813121.8U patent/CN205004466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226408A (en) * | 2015-10-19 | 2016-01-06 | 珠海格力电器股份有限公司 | Junction block |
| CN110398632A (en) * | 2019-08-23 | 2019-11-01 | 上海知白智能科技有限公司 | A kind of resistance measurement fixture and resistance measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20211019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |