CN203438955U - Bonding terminal fixing structure - Google Patents
Bonding terminal fixing structure Download PDFInfo
- Publication number
- CN203438955U CN203438955U CN201320452054.2U CN201320452054U CN203438955U CN 203438955 U CN203438955 U CN 203438955U CN 201320452054 U CN201320452054 U CN 201320452054U CN 203438955 U CN203438955 U CN 203438955U
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- terminal
- nut
- projection welding
- bonding
- welding bolt
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Abstract
The utility model discloses a bonding terminal fixing structure, which comprises a projection welding bolt and a nut matched with the projection welding bolt, wherein the projection welding bolt comprises a threaded segment and a terminal sleeving segment; the threaded segment is positioned on the top of the projection welding bolt; the terminal sleeving segment is positioned below the threaded segment; the diameter of the terminal sleeving segment is larger than that of the threaded segment; the circumferential surface of the terminal sleeving segment is provided with an anti-rotation clamping structure; the inner top of the nut is provided with inner threads adapting to the threaded segment; the inner bottom of the nut is provided with a cover cavity capable of accommodating the terminal sleeving segment. According to the bonding terminal fixing structure, the anti-rotation clamping structure on the projection welding bolt and an inner ring of a bonding terminal form peripheral positioning, so that a matching structure is simple and reliable, the aim of preventing the terminal from rotating is fulfilled, and a plurality of bonding terminals can be positioned at the same fixing point.
Description
Technical field
The utility model relates to a kind of car electrics wiring construction, and in particular, it relates to a kind of bonding terminal fixing structure.
Background technology
Vehicle complete vehicle current consumer circuit all adopts single wire system, by minus earth, put and the connection of auto body, realize the loop of car load current consumer, due to the develop rapidly of modern automobile pioneering technology, electronic apparatus parts constantly increase, the working condition of bonding dots is directly connected to the quality of car load and the safety of car load, and therefore, the properity of automobile bond point and reliability need to constantly promote.Existing bonding terminal connection mode makes bolt and nut cooperation that bonding terminal is compressed, when fastening bonding terminal, to note preventing terminal screwing synchronously around the bolt rotation being through in terminal along with nut, in order to avoid pull apart the wire harness after terminal, cause bonding to connect to open circuit and the problem such as bad earth.Having at present the anti-shifting method of a kind of bonding terminal is to process a boss in terminal ring plane, on the end face of project-welding nut, process an aperture simultaneously, bonding terminal fixedly time the boss on terminal insert in the aperture of project-welding nut, while screwing bolt like this, bonding terminal can keep relative fixing with project-welding nut, but this method is only suitable for one or a small amount of bonding terminal and fixes, being difficult to realize the shared place's attachment point of a plurality of bonding terminals fixes, even because can process a plurality of apertures on project-welding nut, but the thickness that a plurality of bonding terminals stack up is very large, must the very high aperture that could insert project-welding nut from the boss on project-welding nut terminal farthest, and this is obviously unrealistic.Publication number is that the utility model of CN202783015U discloses a kind of auto body bonding device on March 13rd, 2013, comprise nut and the bolt coordinating with nut, nut is connected on vehicle body steel plate, on bolt, be equipped with at least one bonding terminal, on nut, be also provided with the position limiting structure that each bonding terminal circumferentially can be located.The utlity model has and can fix a plurality of bonding terminals and bonding terminal simultaneously and the advantage such as can not rotate.But this utility model complicated structure, and stop collar upper groove width must be able to hold the tail width of next terminal, and this has just determined that the groove number that can open on the limited girth of stop collar is limited, otherwise is difficult to guarantee the width of groove.
utility model content
In order to overcome existing bonding terminal anti-rotation structure, hinder the defect that more bonding terminals share an attachment point, the utility model provides a kind of bonding terminal fixing structure that can allow more bonding terminals to share an attachment point in to the effective anti-rotation of bonding terminal.
The technical solution of the utility model is: a kind of bonding terminal fixing structure, comprise projection welding bolt and the nut mating with projection welding bolt, projection welding bolt comprises thread segment and terminal socket section, thread segment is positioned at projection welding bolt top, terminal socket section is positioned at thread segment below, and terminal socket section diameter is greater than thread segment diameter, and the side face of terminal socket section is provided with anti-rotation interface arrangment, nut inner top is provided with the negative thread with thread segment adaptation, and nut inner bottom part is provided with the cover chamber that can hold terminal socket section.Projection welding bolt has thread segment and terminal socket section, can be connected with nut thread like this, can connect expediently again the ring of bonding terminal, and during fixed terminal, thread segment and nut inner thread screw, and the cover cavity outer wall end face of nut bottom just can compress terminal.The utility model is directly being worn on the projection welding bolt even coordinating and is being processed anti-rotation interface arrangment with bonding terminal, correspondingly, bonding terminal inner ring also processes the bayonet socket mating with described anti-rotation interface arrangment, like this, the ring of bonding terminal can coordinate realization circumferentially to locate with the direct of described anti-rotation interface arrangment by bayonet socket, the ring part integral thickness of bonding terminal is consistent, need not process axial raised part, therefore simple and direct with coordinating of projection welding bolt, even if a plurality of bonding terminal is posted on projection welding bolt one by one mutually, fixes and also have no problem together.
As preferably, described anti-rotation interface arrangment comprises some spline tooths, and spline tooth is distributed on the side face of terminal socket section.The spline tooth being periphery on terminal socket section side face can provide a plurality of card contact, and any one all can make bonding terminal circumferentially locate during with the bayonet fittings of bonding terminal inner ring, like this, and the fixing towards there being multiple choices of bonding terminal.When a plurality of bonding terminals are socketed in terminal socket section, the adjacent bonding terminal angle that can stagger coordinates from different spline tooth, to avoid the thicker connecting groove of terminal tails to interfere each other, thereby guarantee to be connected on each bonding terminal ring on same projection welding bolt fully, entirely laminating, guarantee good contact.
As an alternative, described anti-rotation interface arrangment is six prismatic surfaces or square column face.Six prismatic surfaces or square column face and corresponding hexagon or square terminal inner ring also can play anti-rotation effect while coordinating.
As preferably, projection welding bolt also comprises panel beating face laminating dish, and panel beating face laminating dish is positioned at terminal socket section below, and the panel beating face laminating face of trying to get to the heart of a matter is provided with projection welding point, and panel beating face laminating dish diameter is greater than a terminal socket section diameter.The panel beating face laminating face of trying to get to the heart of a matter is welded on vehicle body sheet metal, and panel beating face laminating dish end face can provide smooth contact surface for bonding terminal, and is not subject to the impact of panel beating face sinuousness, thereby guarantees current consumer circuit stable operation.
As preferably, the bottom surface central authorities of panel beating face laminating dish are installed with panel beating location lug.Panel beating location lug inserts in the knock hole of vehicle body sheet metal, guarantees the positional precision of projection welding bolt and the accuracy of the welding posture on vehicle body sheet metal face.
As preferably, nut is the two sectional type structure that top handle is large, comprises epimere and hypomere, and hypomere external diameter is greater than epimere external diameter, and the negative thread of nut and cover chamber lay respectively in epimere and hypomere.Different with cover chamber diameter from the nut inner thread of thread segment and terminal socket section coupling respectively, thereby the epimere at place is different with hypomere also corresponding external diameter respectively negative thread and cover chamber, epimere and hypomere is had and equate or close wall thickness, raising stock utilization.
As preferably, nut top sealing.In coating process before general assembly operation, projection welding bolt need to cover processing, to avoid, coating paint is dry and hard to be remained on projection welding bolt, and surface treatment liquid etch projection welding bolt, coordinating while causing the assembling of final circuit between terminal and projection welding bolt and nut, fastening and conducting effect are all affected.Nut top sealing in this bonding terminal fixing structure, in coating process, this nut just can install on projection welding bolt, and overlap a packing seal at projection welding bolt, nut screws back nut bottom port packing seal is pressed on to panel beating face laminating dish end face, and nut and panel beating face laminating dish form seal chamber like this, and the projection welding bolt of nut inside is partly formed to closed shield, without adopting again other to cover measure, can reduce a few thing amount.Therefore, this bonding terminal fixing structure can be after the operation that is welded completes, and before coating process starts, just installs, and keeps existing in postorder all process steps.
The beneficial effects of the utility model are:
Simple in structure, easy to operate, reliability is higher.The utility model forms circumferential location by the anti-rotation interface arrangment on projection welding bolt and bonding terminal inner ring, and fit structure is simple and reliable, has both reached terminal anti-rotation object, can realize again the location of a plurality of bonding terminals on same attachment point.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of projection welding bolt in the utility model;
Fig. 3 is a kind of birds-eye view of projection welding bolt in the utility model;
A kind of structural representation that Fig. 4 is the bonding terminal that is used in conjunction with the utility model;
Fig. 5 is a kind of structural representation of nut in the utility model;
Fig. 6 is the another kind of structural representation of projection welding bolt in the utility model.
In figure, 1-projection welding bolt, 2-nut, 3-panel beating face laminating dish, 4-thread segment, 5-terminal socket section, 6-spline tooth, 7-panel beating location lug, 8-covers chamber, 9-epimere, 10-hypomere, 11-projection welding point, 12-bonding terminal, 13-bayonet socket.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiment, the utility model is described in further detail.
embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of bonding terminal fixing structure, comprise projection welding bolt 1 and the nut 2 mating with projection welding bolt 1, projection welding bolt 1 comprises thread segment 4 and terminal socket section 5, thread segment 4 is positioned at projection welding bolt 1 top, terminal socket section 5 is positioned at thread segment 4 belows, terminal socket section 5 diameters are greater than thread segment 4 diameters, the side face of terminal socket section 5 is provided with anti-rotation interface arrangment, nut 2 inner tops are provided with the negative thread with thread segment 4 adaptations, and nut 2 inner bottom parts are provided with the cover chamber 8 that can hold terminal socket section 5.Described anti-rotation interface arrangment comprises 12 spline tooths 6, and spline tooth 6 is distributed on the side face of terminal socket section 5.Spline tooth 6 use flats dies are processed to form.The inner ring of the bonding terminal 12 being used in conjunction with the utility model is provided with the bayonet socket 13 with spline tooth 6 adaptations, as shown in Figure 5.Projection welding bolt 1 also comprises circular panel beating face laminating dish 3, panel beating face laminating dish 3 is positioned at terminal socket section 5 belows, the laminating of panel beating face is coiled 3 bottom surfaces and is provided with 3 projection welding points 11, the laminating of panel beating face is coiled 3 diameters and is greater than terminal socket section 5 diameters, and the bottom surface central authorities of panel beating face laminating dish 3 are installed with cylindrical panel beating location lug 7.Nut 2 is the two sectional type structure that top handle is large, comprise epimere 9 and hypomere 10, hypomere 10 external diameters are greater than epimere 9 external diameters, between epimere 9 and hypomere 10, pass through chamfered transition, epimere 9, hypomere 10 and the inclined-plane structure that is formed in one, the negative thread of nut 2 and cover chamber 8 lay respectively in epimere 9 and hypomere 10.Nut 2 top seals.
Fixedly during bonding terminal 12, now nut 2 is screwed off, the ring of bonding terminal 12 is entangled to projection welding bolt 1 from thread segment 4 tops and be displaced downwardly to terminal socket section 5 always, make bayonet socket 13 aim at arbitrary spline tooth 6 and form clamping, because terminal socket section 5 has certain length, therefore a plurality of bonding terminals 12 can be superposeed one by one and share same projection welding bolt 1, the number installed of bonding terminal 12 depends on the length of terminal socket section 5.When being installed, a plurality of bonding terminal 12 to note adjacent bonding terminal 12 certain angle that need stagger each other, in order to avoid bonding terminal 12 tail wiring grooves interfere with each other.
embodiment 2:
embodiment 3:
described anti-rotation interface arrangment is six prismatic surfaces, and as shown in Figure 6, correspondingly, the bonding terminal inner ring being used in conjunction with this bonding terminal fixing structure is also hexagon.All the other are with embodiment 1.
embodiment 4:
described anti-rotation interface arrangment is square column face, and correspondingly, the bonding terminal inner ring being used in conjunction with this bonding terminal fixing structure is also square.All the other are with embodiment 1.
Claims (7)
1. a bonding terminal fixing structure, it is characterized in that comprising projection welding bolt (1) and the nut (2) mating with projection welding bolt (1), projection welding bolt (1) comprises thread segment (4) and terminal socket section (5), thread segment (4) is positioned at projection welding bolt (1) top, terminal socket section (5) is positioned at thread segment (4) below, terminal socket section (5) diameter is greater than thread segment (4) diameter, the side face of terminal socket section (5) is provided with anti-rotation interface arrangment, nut (2) inner top is provided with the negative thread adaptive with thread segment (4), nut (2) inner bottom part is provided with the cover chamber (8) that can hold terminal socket section (5).
2. bonding terminal fixing structure according to claim 1, is characterized in that described anti-rotation interface arrangment comprises some spline tooths (6), and spline tooth (6) is distributed on the side face of terminal socket section (5).
3. bonding terminal fixing structure according to claim 1, is characterized in that described anti-rotation interface arrangment is six prismatic surfaces or square column face.
4. bonding terminal fixing structure according to claim 1, it is characterized in that projection welding bolt (1) also comprises panel beating face laminating dish (3), panel beating face laminating dish (3) is positioned at terminal socket section (5) below, panel beating face laminating dish (3) bottom surface is provided with projection welding point, and panel beating face laminating dish (3) diameter is greater than terminal socket section (5) diameter.
5. according to the bonding terminal fixing structure described in claim 1 or 2 or 3 or 4, it is characterized in that the bottom surface central authorities of panel beating face laminating dish (3) are installed with panel beating location lug (7).
6. according to the bonding terminal fixing structure described in claim 1 or 2 or 3 or 4, it is characterized in that nut (2) is for the large two sectional type structure of top handle, comprise epimere (9) and hypomere (10), hypomere (10) external diameter is greater than epimere (9) external diameter, and the negative thread of nut (2) and cover chamber (8) lay respectively in epimere (9) and hypomere (10).
7. according to the bonding terminal fixing structure described in claim 1 or 2 or 3 or 4, it is characterized in that nut (2) top seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452054.2U CN203438955U (en) | 2013-07-26 | 2013-07-26 | Bonding terminal fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452054.2U CN203438955U (en) | 2013-07-26 | 2013-07-26 | Bonding terminal fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438955U true CN203438955U (en) | 2014-02-19 |
Family
ID=50090025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320452054.2U Expired - Fee Related CN203438955U (en) | 2013-07-26 | 2013-07-26 | Bonding terminal fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080828A (en) * | 2017-12-12 | 2018-05-29 | 江苏大德重工股份有限公司 | Self-pressing type bonding mechanism |
| CN109037980A (en) * | 2018-07-18 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of common locking cap of multiple spot bonding terminal |
| CN110492316A (en) * | 2019-09-12 | 2019-11-22 | 四川华丰企业集团有限公司 | A kind of antivibration Modular reinforced type power lightning protection connector assembly |
-
2013
- 2013-07-26 CN CN201320452054.2U patent/CN203438955U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080828A (en) * | 2017-12-12 | 2018-05-29 | 江苏大德重工股份有限公司 | Self-pressing type bonding mechanism |
| CN109037980A (en) * | 2018-07-18 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of common locking cap of multiple spot bonding terminal |
| CN109037980B (en) * | 2018-07-18 | 2019-07-05 | 安徽江淮汽车集团股份有限公司 | A kind of common locking cap of multiple spot bonding terminal |
| CN110492316A (en) * | 2019-09-12 | 2019-11-22 | 四川华丰企业集团有限公司 | A kind of antivibration Modular reinforced type power lightning protection connector assembly |
| CN110492316B (en) * | 2019-09-12 | 2022-02-08 | 四川华丰科技股份有限公司 | Anti vibration modularization reinforcement type power lightning protection connector subassembly |
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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: 20140219 Termination date: 20140726 |
|
| EXPY | Termination of patent right or utility model |