CN2797726Y - Counterpressure rivet screw nut and its combination - Google Patents
Counterpressure rivet screw nut and its combination Download PDFInfo
- Publication number
- CN2797726Y CN2797726Y CN 200420102955 CN200420102955U CN2797726Y CN 2797726 Y CN2797726 Y CN 2797726Y CN 200420102955 CN200420102955 CN 200420102955 CN 200420102955 U CN200420102955 U CN 200420102955U CN 2797726 Y CN2797726 Y CN 2797726Y
- Authority
- CN
- China
- Prior art keywords
- nut
- pressure insert
- insert nut
- pressed
- screw nut
- 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
Links
Images
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
The utility model provides a counterpressure rivet screw nut and its combination, which solves the problems of easy rust or complicated technology in the prior art. In order to solve the technical problems, the utility model has the technical proposals that the lower surface of a counterpressure rivet screw nut is provided with a pressing end of a screw nut, a front surface of the counterpressure rivet screw nut is a flat surface which is larger and circular, and the pressing end of the screw nut which is closed to the lower surface of the flat surface is also provided with a circle of hobbing gear; the diameter of the hobbing gear is greater than the outer diameter of the pressing end of the screw nut and is smaller than the outer diameter of the flat surface. The utility model also provides the combination of the counterpressure rivet screw nut.
Description
Technical field
The utility model relates to the electric connection technology in electronics, the communications field, specifically refers to a kind ofly to be used between realization equipment and the frame, the back-pressure Insert Nut and the combination thereof that are electrically connected between frame and the component.
Background technique
In communications equipment, in order to guarantee device security, require between equipment and the frame, the reliable electrical connection arranged between frame and the component.Usually adopt in the prior art that cable comes between realization equipment and the frame, being electrically connected between frame and component; in addition; for the reliability that guarantees to be electrically connected, need carry out locally sprayed protection to connection part, this has good electrical conductivity and anti-corrosion capability with regard to the base material that requires to connect.In order to guarantee above-mentioned requirements, having certain limitation aspect selection and the processing technology.
Be example with ground connection below, introduce the common mode of the ground structure of existing communication equipment:
(1), welding earthing screw
Please refer to Fig. 1, its implementation procedure is: earthing screw 102 is welded on the steel plate 101, sprays then so that the screw thread of earthing screw 102 and the plane of root are protected; Then connection cable puts OT terminal 103 earlier, and then loads onto plain cushion 104, bullet pad 105 and hexagon nut 106 successively.In this kind scheme,, make its Environmental Conditions be restricted and the welding procedure more complicated, when connection cable, also need plain cushion, bullet pad and nut in addition, as seen exist part not only many but also loose the shortcoming that is easy to lose because earthing screw 102 outstanding planes are higher.
(2), electrolytic zinc-coated steel sheet sprayed protection
Please refer to Fig. 2, its implementation procedure is: in the reverse side of electrolytic zinc-coated steel sheet 201 corresponding nut 202 that presses, spray then with the front to certain area of self-clinching nut and protect certain area, the internal thread with self-clinching nut also protects simultaneously; During connection cable, put OT terminal 203 earlier, be screwed into screw assemblies 204 again and get final product.This kind scheme shortcoming is: to having relatively high expectations of material, the time is grown slightly and also can get rusty the reliability that influence is electrically connected to a certain extent.In addition, because described self-clinching nut zone is generally less than the area that needs sprayed protection, so also can there be the situation of local corrosion at the place of pressing.
(3), thermal spraying
This kind scheme adopts cold rolled sheet cheaply, adopts a kind of hot-spraying technique to plate one deck conductive layer to guarantee the reliability that is electrically connected and to avoid cold rolled sheet to get rusty before spraying earlier.The similar of thermal spraying is in the structure of Fig. 2, also will in connection cable, put OT terminal earlier in the reverse side corresponding nut that presses, and then is screwed into screw assemblies 204 and gets final product.The shortcoming of this kind scheme is: technology is immature, and owing to need special device, frock and anchor clamps, so overall cost is higher.In addition, because the zone of self-clinching nut is generally less than the area of sprayed protection, so the place (as the cold rolled sheet at self-clinching nut edge) of process sprayed protection often is easy to get rusty.
The model utility content
The utility model provides a kind of back-pressure Insert Nut and combination thereof, to solve the problem of getting rusty easily of existing in the prior art or complex process.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of back-pressure Insert Nut is provided with nut at described back-pressure Insert Nut lower surface and is pressed into end, and the front of described back-pressure Insert Nut is a bigger and ringwise plane, is pressed at the nut near the lower surface on described plane and also is provided with a circle gear hobbing on the end; The diameter of described gear hobbing is pressed into the external diameter of end greater than described nut and less than the external diameter on described plane.
The nut near described gear hobbing lower surface be pressed into also be provided with on the end one the circle groove.
The utility model also provides a kind of back-pressure Insert Nut combination, it includes a back-pressure Insert Nut and a sheet metal, described back-pressure Insert Nut lower surface is provided with nut and is pressed into end, the front of described back-pressure Insert Nut is a bigger and ringwise plane, is pressed at the nut near the lower surface on described plane and also is provided with a circle gear hobbing on the end; The diameter of described gear hobbing is pressed into the external diameter of end greater than described nut and less than the external diameter on described plane; Described sheet metal is provided with the hole that presses, and the internal diameter in the described hole that presses is slightly larger than the external diameter that the back-pressure Insert Nut is pressed into end.
The thickness of described sheet metal is greater than the gear hobbing of back-pressure Insert Nut and the height sum of groove.
Advantage of the present utility model is:
Structural manufacturing process is simple, and cost is low;
Owing to be plane structure, be subjected to the environment limitation little;
Only need protect back-pressure Insert Nut front and internal thread to get final product during spraying;
Can directly select screw assemblies for use aspect assembling, part is few, and assembling is simple.
In addition, back-pressure Insert Nut of the present utility model is also applicable to corrosion resistant plate and electrolytic zinc-coated steel sheet.
Description of drawings
Below the accompanying drawing in the utility model is explained:
Fig. 1 is the structural representation of welding earthing screw in the prior art;
Fig. 2 is the structural representation that adopts on electrolytic zinc-coated steel sheet in the prior art when just pressing;
Fig. 3 a is the schematic perspective view during the facing down of back-pressure Insert Nut in preferred embodiment of the utility model;
Plan view when Fig. 3 b is the facing up of back-pressure Insert Nut among Fig. 3 a;
Fig. 4 is with the schematic representation after reaching before the back-pressure Insert Nut back-pressure riveting among Fig. 3 b is on cold rolled sheet;
The application schematic representation of Fig. 5 back-pressure Insert Nut of the present utility model electric connection structure.
Embodiment
The utility model provides a kind of back-pressure Insert Nut, be mainly used in the reliable electricity that improves the structural member connection and under the situation of reducing cost, prevent sheet material not corrosion of part, in addition, back-pressure Insert Nut of the present utility model operability and maintainable aspect also have clear superiority compared to prior art.
The front of described nut back-pressure Insert Nut of the present utility model is a bigger and ringwise plane, is pressed at the nut near the lower surface on described plane and also is provided with a circle gear hobbing on the end; The diameter of described gear hobbing is pressed into the external diameter of end greater than described nut and less than the external diameter on described plane, is pressed at the nut near described gear hobbing lower surface and also is provided with a circle groove on the end.
Below in conjunction with accompanying drawing the utility model is specified:
Please refer to Fig. 3 a, Fig. 3 b, Fig. 4 and Fig. 5, back-pressure Insert Nut of the present utility model 302 is made by stainless steel, its internal diameter is provided with internal thread, the front is a bigger and ringwise plane 3021, with effective assurance area of contact, the external diameter on described plane 3021 can be back-pressure Insert Nut 302 and is pressed into 1.5-2 times that holds 3024 external diameters; Certainly, the size of the concrete external diameter on plane 3021 OT terminal that can connect is as required determined.Be provided with a circle gear hobbing 3022 and a circle groove 3023 for 3021 times successively on the plane, wherein, gear hobbing 3022 is used to guarantee that back-pressure Insert Nut 302 can reach enough moments of torsion when tightening, and groove 3023 is used to guarantee that back-pressure Insert Nut 302 is in the axial intensity that presses.
Among Fig. 4, the left side is the schematic representation before that presses, the right is the schematic representation after pressing, when pressing, earlier on cold rolling steel plate 301, stamp the hole that presses, wherein, the internal diameter in the hole that presses should be slightly larger than the external diameter that back-pressure Insert Nut 302 is pressed into end 3024, and the thickness of cold rolled sheet is greater than the height sum of gear hobbing 3022 with groove 3023; Then, in the hole, must guarantee gear hobbing 3022 all is pressed into steel plate 301 this moment with the 302 back-pressure rivetings of back-pressure Insert Nut, and the squeezing action when pressing can make the part of steel plate 301 be extruded in the groove 3023 of back-pressure Insert Nut 302.
As shown in Figure 5, when using at the back-pressure Insert Nut 302 in the present embodiment, during spraying, plane 3021 protections in back-pressure Insert Nut 302 fronts are lived, because the area on plane 3021 is bigger, as long as, shown in the dash area among Fig. 5, also need the internal thread of back-pressure Insert Nut 302 is also protected simultaneously so the protection area equals the area on this plane 3021; During connection cable, put OT terminal 303 earlier, be screwed into screw assemblies 304 again and get final product.
As seen, utilize the back-pressure Insert Nut in the utility model to realize that electrical connection has following advantage:
Structural manufacturing process is simple, and cost is low;
Owing to be plane structure, be subjected to the environment limitation little;
Only need protect back-pressure Insert Nut front and internal thread to get final product during spraying;
Can directly select screw assemblies for use aspect assembling, part is few, and assembling is simple.
In addition, back-pressure Insert Nut of the present utility model is also applicable to corrosion resistant plate and electrolytic zinc-coated steel sheet.
Claims (5)
1, a kind of back-pressure Insert Nut, be provided with nut at described back-pressure Insert Nut lower surface and be pressed into end, it is characterized in that the front of described back-pressure Insert Nut is a bigger and ringwise plane, be pressed at nut and also be provided with a circle gear hobbing on the end near the lower surface on described plane; The diameter of described gear hobbing is pressed into the external diameter of end greater than described nut and less than the external diameter on described plane.
2, back-pressure Insert Nut according to claim 1 is characterized in that, is pressed at the nut near described gear hobbing lower surface and also is provided with a circle groove on the end.
3, a kind of back-pressure Insert Nut combination, it includes a back-pressure Insert Nut and a sheet metal, it is characterized in that, described back-pressure Insert Nut lower surface is provided with nut and is pressed into end, the front of described back-pressure Insert Nut is a bigger and ringwise plane, is pressed at the nut near the lower surface on described plane and also is provided with a circle gear hobbing on the end; The diameter of described gear hobbing is pressed into the external diameter of end greater than described nut and less than the external diameter on described plane; Described sheet metal is provided with the hole that presses, and the internal diameter in the described hole that presses is slightly larger than the external diameter that the back-pressure Insert Nut is pressed into end.
4, back-pressure Insert Nut combination as claimed in claim 3 is characterized in that, is pressed at the nut near described gear hobbing lower surface and also is provided with a circle groove on the end.
5, back-pressure Insert Nut combination as claimed in claim 3 is characterized in that the thickness of described sheet metal is greater than the gear hobbing of back-pressure Insert Nut and the height sum of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420102955 CN2797726Y (en) | 2004-12-15 | 2004-12-15 | Counterpressure rivet screw nut and its combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420102955 CN2797726Y (en) | 2004-12-15 | 2004-12-15 | Counterpressure rivet screw nut and its combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797726Y true CN2797726Y (en) | 2006-07-19 |
Family
ID=36868969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420102955 Expired - Fee Related CN2797726Y (en) | 2004-12-15 | 2004-12-15 | Counterpressure rivet screw nut and its combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797726Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493999A (en) * | 2011-12-09 | 2012-06-13 | 贵州精立航太科技有限公司 | Electronic device mounting liner plate and manufacturing method thereof |
| CN103133775A (en) * | 2013-02-27 | 2013-06-05 | 川开电气股份有限公司 | Novel anti-seismic supporting hanger of cable tray |
| CN115507107A (en) * | 2021-06-22 | 2022-12-23 | 宾科精密部件(中国)有限公司 | Sealed pressure riveting nut |
-
2004
- 2004-12-15 CN CN 200420102955 patent/CN2797726Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493999A (en) * | 2011-12-09 | 2012-06-13 | 贵州精立航太科技有限公司 | Electronic device mounting liner plate and manufacturing method thereof |
| CN103133775A (en) * | 2013-02-27 | 2013-06-05 | 川开电气股份有限公司 | Novel anti-seismic supporting hanger of cable tray |
| CN103133775B (en) * | 2013-02-27 | 2016-05-11 | 川开电气股份有限公司 | A kind of Anti-vibration cable crane span structure suspension and support |
| CN115507107A (en) * | 2021-06-22 | 2022-12-23 | 宾科精密部件(中国)有限公司 | Sealed pressure riveting nut |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102011120775B4 (en) | Arrangement with reduced galvanic corrosion | |
| WO2011054586A1 (en) | Method for connecting a battery terminal on a first battery cell having a battery terminal to a second battery cell, battery having connected battery cells and battery system | |
| CN2797726Y (en) | Counterpressure rivet screw nut and its combination | |
| EP1350286A1 (en) | Electrical capped contact stud and method of fastening an electrical contact | |
| EP2698828A1 (en) | Potential connection device | |
| CN2582236Y (en) | Power line wire clamp with two parallel slots | |
| CN209912104U (en) | Binding post and fire alarm | |
| CN202058866U (en) | Gasket capable of penetrating insulating layer on surface of shell | |
| DE102013020453A1 (en) | Screw, screw connection and battery with such a screw connection | |
| CN202585790U (en) | V-shaped wire clamp | |
| CN2766362Y (en) | Device for electrically contacting a sectionally insulated external conductor of a coaxial cable | |
| CN2763605Y (en) | Rivet joint screw for assembling casing | |
| CN2579059Y (en) | Light cable clamp | |
| CN2733063Y (en) | Loose proof structure applied in a screwed joint piece on an element with curved surfaces | |
| CN205663720U (en) | From a liter combination screw | |
| EP1665468A1 (en) | Grounding element and method for grounding | |
| CN201336375Y (en) | Wire connecting device and power distribution equipment | |
| CN201001018Y (en) | Antiarc puncture metal ware | |
| DE29806397U1 (en) | Cable lug | |
| CN114937877B (en) | Micro-sphere electric wiring board and connection method | |
| CN202585789U (en) | G shaped wire clip | |
| CN2786348Y (en) | Dismantlement preventing nut | |
| CN217976898U (en) | Equipotential connecting structure for adjacent sheet metal components in cabinet | |
| CN219477041U (en) | Laminated busbar structure with anti-falling large-torsion copper columns | |
| CN218385834U (en) | Anti-shifting copper binding post |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20100115 |