CN213520379U - Spiral locking type connecting joint - Google Patents
Spiral locking type connecting joint Download PDFInfo
- Publication number
- CN213520379U CN213520379U CN202022765228.3U CN202022765228U CN213520379U CN 213520379 U CN213520379 U CN 213520379U CN 202022765228 U CN202022765228 U CN 202022765228U CN 213520379 U CN213520379 U CN 213520379U
- Authority
- CN
- China
- Prior art keywords
- shuttle
- screw
- nut
- shaped
- shaped pressing
- 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.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a connecting piece of power line and equipment especially relates to a spiral lock formula attach fitting. The main wire passes through the shuttle-shaped pressing piece through the spiral locking outer sleeve nut, is connected with the spiral connecting end, is contracted with the spiral connecting end through the rotation of the pressing nut, is compressed by the deformation contraction groove at the top of the shuttle-shaped pressing piece to complete the locking of the wire, and is connected with equipment through the hole at the tail part of the spiral connecting end. The utility model discloses sound construction, it is with low costs, the simple installation, the copper aluminium transition problem that can effectively solve electric power wire and equipment connection, its waterproof performance is good, area of contact is big, connects the fastening.
Description
Technical Field
The utility model relates to a connecting piece of power line and equipment especially relates to a spiral lock formula attach fitting.
Background
At present china's electric power distribution and when transformer cable is connected with equipment (like drop out fuse, isolator, mutual-inductor, cubical switchboard), use an equipment fastener extensively, the front end is the copper, and the rear end is aluminum plate, and aluminum plate is splint, and both sides have the recess about the splint, and two sides have the screw, and during the wiring, insert the rear end aluminum plate recess with the wire, screw up both ends screw clamp wire, accomplish being connected of wire and fastener, above-mentioned connected mode's shortcoming is: the line footpath span of splint is big, and in copper and the transition of aluminum plate, the welding process of adoption is unstable, causes to generate heat not hard up, and along with the live time is long, and later stage calorific capacity is big, causes the heavy current to burn out the fastener body easily.
Another kind adopts binding post, and the rear end is the pipe, and the front end is the flat board, inserts the rear end pipe with the wire during connection, through hydraulic means crimping pipe, accomplishes being connected of wire and pipe, and construction process is complicated, needs professional crimping tool, and the expense is time-consuming, and installation cost is high, and unable used repeatedly causes to generate heat, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is that: in order to provide a screw-lock type connection joint and a method for locking to prevent disengagement with better effect, the specific purpose is seen in a plurality of substantial technical effects of the specific implementation parts.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a spiral locking type connecting joint is characterized in that the connecting joint comprises a spiral locking outer sleeve nut, a shuttle-shaped pressing piece and a spiral connecting end head;
the screw lock outer nut comprises a screw lock outer nut tapered portion 11 and a screw lock outer nut connection portion 12 connected to the screw lock outer nut tapered portion 11;
the shuttle-shaped pressing piece comprises a left conical part 21 of the shuttle-shaped pressing piece and a right conical part 22 of the shuttle-shaped pressing piece;
when the shuttle-shaped pressing piece is installed, the shuttle-shaped pressing piece is positioned between the spiral locking outer sleeve nut and the spiral connecting end head to provide outward extrusion force.
The utility model discloses a further technical scheme lies in, the shuttle-shaped compresses tightly the piece and is bent by elastic construction piece 23 and constitutes for it can provide tensile force outwards.
The utility model discloses a further technical scheme lies in, shuttle compress tightly the shuttle-shaped body that the piece is the middle part through-hole, two heads respectively are equipped with 4 back taper shrinkage joints about it, the cavity diameter of shuttle-shaped screwed connection end endotheca is greater than connecting wire's diameter, the shuttle compresses tightly the piece and locates in the inside shuttle-shaped cavity of spiral locking overcoat nut and screwed connection end, through the screw thread shrink of spiral locking overcoat nut and screwed connection end, make the shuttle compress tightly a back taper shrinkage joint deformation shrink.
The utility model has the further technical proposal that the spiral locking outer sleeve nut is provided with a conical through hole and a conical cavity along the axial inner wall, the diameter of the conical through hole is larger than the outer diameter of the connecting wire, the conical through hole is communicated with the conical cavity, the conical cavity is communicated and connected with the connecting hole of the shuttle-shaped pressing piece, and the inner wall of the connecting part 12 of the spiral locking outer sleeve nut is provided with threads; the tapered through hole and the tapered cavity are located in the tapered portion 11 of the screw locking outer sleeve nut.
The utility model discloses a further technical scheme lies in, connecting cylinder 14 is being connected on the 12 right sides of spiral locking overcoat nut coupling part, and 14 inner walls of connecting cylinder are adhered to there is inside rubber layer 13, can be waterproof after spiral locking overcoat nut, shuttle-shaped compress tightly piece, the spiral connection end is installed.
The utility model discloses a further technical scheme lies in, connecting cylinder 14 and the integrative preparation of spiral locking overcoat nut coupling part 12.
A method for preventing a spiral locking type connecting joint from being disengaged during locking is characterized in that by using the connecting joint, a shuttle-shaped pressing piece is arranged in a shuttle-shaped cavity inside a spiral locking outer sleeve nut and a spiral connecting end, the shuttle-shaped pressing piece is a shuttle-shaped body with a through hole in the middle, the left end and the right end of the shuttle-shaped pressing piece are respectively provided with 4 inverted cone-shaped contraction joints, the hollow diameter of an inner sleeve of the shuttle-shaped spiral connecting end is larger than the diameter of a connecting lead, and the inverted cone-shaped contraction joints of the shuttle-shaped pressing piece are deformed and contracted through the thread contraction of the spiral locking outer sleeve nut and the spiral connecting end; while compressing the inner wire, an outward extrusion force is provided, avoiding thread disengagement.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: the main wire passes through the shuttle-shaped pressing piece through the spiral locking outer sleeve nut, is connected with the spiral connecting end, is contracted with the spiral connecting end through the rotation of the pressing nut, is compressed by the deformation contraction groove at the top of the shuttle-shaped pressing piece to complete the locking of the wire, and is connected with equipment through the hole at the tail part of the spiral connecting end. The utility model discloses sound construction, it is with low costs, the simple installation, the copper aluminium transition problem that can effectively solve electric power wire and equipment connection, its waterproof performance is good, area of contact is big, connects the fastening.
Drawings
For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:
FIG. 1 is one of the screw lock outer nut implementations;
FIG. 2 is one of the shuttle-shaped hold-down element implementations;
FIG. 3 is one of the screw connection tip implementations;
wherein: 11. a screw-locking outer nut tapered portion; 12. a screw-locking outer-sleeve nut connection portion; 21. a left tapered portion of the shuttle-shaped pressing member; 22. a right tapered portion of the shuttle-shaped compression member; 23. an elastic structural sheet; 31. the spiral connecting end body; 32. screw-connecting the end-of-head threaded portion; 33. the spiral connects the interior recess of end.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The first embodiment is as follows: combining fig. 1 with fig. 2 and fig. 3; a spiral locking type connecting joint is characterized in that the connecting joint comprises a spiral locking outer sleeve nut, a shuttle-shaped pressing piece and a spiral connecting end head;
the screw lock outer nut comprises a screw lock outer nut tapered portion 11 and a screw lock outer nut connection portion 12 connected to the screw lock outer nut tapered portion 11;
the shuttle-shaped pressing piece comprises a left conical part 21 of the shuttle-shaped pressing piece and a right conical part 22 of the shuttle-shaped pressing piece;
when the shuttle-shaped pressing piece is installed, the shuttle-shaped pressing piece is positioned between the spiral locking outer sleeve nut and the spiral connecting end head to provide outward extrusion force.
The technical scheme of the invention has the following substantial technical effects and the realization process: a method for preventing a spiral locking type connecting joint from being disengaged during locking is characterized in that by using the connecting joint, a shuttle-shaped pressing piece is arranged in a shuttle-shaped cavity inside a spiral locking outer sleeve nut and a spiral connecting end, the shuttle-shaped pressing piece is a shuttle-shaped body with a through hole in the middle, the left end and the right end of the shuttle-shaped pressing piece are respectively provided with 4 inverted cone-shaped contraction joints, the hollow diameter of an inner sleeve of the shuttle-shaped spiral connecting end is larger than the diameter of a connecting lead, and the inverted cone-shaped contraction joints of the shuttle-shaped pressing piece are deformed and contracted through the thread contraction of the spiral locking outer sleeve nut and the spiral connecting end; while compressing the inner wire, an outward extrusion force is provided, avoiding thread disengagement.
The main wire passes through the shuttle-shaped pressing piece through the spiral locking outer sleeve nut, is connected with the spiral connecting end, is contracted with the spiral connecting end through the rotation of the pressing nut, is compressed by the deformation contraction groove at the top of the shuttle-shaped pressing piece to complete the locking of the wire, and is connected with equipment through the hole at the tail part of the spiral connecting end. The utility model discloses sound construction, it is with low costs, the simple installation, the copper aluminium transition problem that can effectively solve electric power wire and equipment connection, its waterproof performance is good, area of contact is big, connects the fastening.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
It should be noted that the modules of this patent belong to the integration of the modules of the prior art, and do not relate to new modules.
Example two: as a further development, either in parallel or alternatively independently, the shuttle-shaped pressing element is formed by a bending of the elastic structure 23, so that it can provide an outward tension.
Example three: as a further improvement scheme or a parallel scheme or an optional independent scheme, the shuttle-shaped pressing piece is a shuttle-shaped body with a through hole in the middle, the left end and the right end of the shuttle-shaped pressing piece are respectively provided with 4 inverted cone-shaped contraction joints, the hollow diameter of the inner sleeve of the shuttle-shaped spiral connecting end is larger than the diameter of the connecting lead, the shuttle-shaped pressing piece is arranged in the shuttle-shaped cavity between the spiral locking outer sleeve nut and the spiral connecting end, and the inverted cone-shaped contraction joints of the shuttle-shaped pressing piece are deformed and contracted through the thread contraction between the spiral locking outer sleeve nut and the spiral connecting end.
Example four: as a further improvement scheme or a parallel scheme or a selectable independent scheme, the spiral locking outer sleeve nut is provided with a conical through hole and a conical cavity along the axial inner wall, the diameter of the conical through hole is larger than the outer diameter of the connecting lead, the conical through hole is communicated with the conical cavity, the conical cavity is communicated and connected with the connecting hole of the shuttle-shaped pressing piece, and the inner wall of the connecting part 12 of the spiral locking outer sleeve nut is provided with threads; the tapered through hole and the tapered cavity are located in the tapered portion 11 of the screw locking outer sleeve nut.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.
Claims (6)
1. A spiral locking type connecting joint is characterized in that the connecting joint comprises a spiral locking outer sleeve nut, a shuttle-shaped pressing piece and a spiral connecting end head;
the screw lock outer nut comprises a screw lock outer nut tapered portion (11) and a screw lock outer nut connecting portion (12) connected to the screw lock outer nut tapered portion (11);
the shuttle-shaped pressing piece comprises a left conical part (21) of the shuttle-shaped pressing piece and a right conical part (22) of the shuttle-shaped pressing piece;
when the shuttle-shaped pressing piece is installed, the shuttle-shaped pressing piece is positioned between the spiral locking outer sleeve nut and the spiral connecting end head to provide outward extrusion force.
2. A screw-lock joint according to claim 1, wherein the shuttle-shaped compression member is formed by bending of a resilient structural piece (23) so that it can provide outward tension.
3. The screw-type tight-lock joint according to claim 1, wherein the shuttle-shaped pressing member is a shuttle-shaped body with a through hole in the middle, the left and right ends of the shuttle-shaped pressing member are respectively provided with 4 inverted cone-shaped contraction joints, the hollow diameter of the inner sleeve of the shuttle-shaped screw-connecting end is larger than the diameter of the connecting wire, the shuttle-shaped pressing member is arranged in the inner shuttle-shaped cavity of the screw-locking outer sleeve nut and the screw-connecting end, and the inverted cone-shaped contraction joints of the shuttle-shaped pressing member are deformed and contracted by the thread contraction of the screw-locking outer sleeve nut and the screw-connecting end.
4. The screw lock type coupling joint according to claim 1, wherein the screw lock type coupling nut is provided with a tapered through hole and a tapered cavity along an axial inner wall thereof, the tapered through hole having a diameter larger than an outer diameter of the coupling wire, the tapered through hole and the tapered cavity communicating with each other, the tapered cavity communicating with the coupling hole of the shuttle-shaped pressing member, the inner wall of the coupling portion (12) of the screw lock type coupling nut being provided with a screw thread; the conical through hole and the conical cavity are positioned in the conical part (11) of the screw locking outer sleeve nut.
5. A screw-lock type joint according to claim 1, wherein the right side of the screw lock housing nut attachment portion (12) is attached to a connector barrel (14), and an inner rubber layer (13) is attached to the inner wall of the connector barrel (14) to provide water resistance when the screw lock housing nut, the shuttle-shaped compression member, and the screw connection end are installed.
6. A screw-lock connector as claimed in claim 5, wherein the connector barrel (14) and the screw lock housing nut attachment portion (12) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765228.3U CN213520379U (en) | 2020-11-26 | 2020-11-26 | Spiral locking type connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765228.3U CN213520379U (en) | 2020-11-26 | 2020-11-26 | Spiral locking type connecting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213520379U true CN213520379U (en) | 2021-06-22 |
Family
ID=76425548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022765228.3U Active CN213520379U (en) | 2020-11-26 | 2020-11-26 | Spiral locking type connecting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213520379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467420A (en) * | 2020-11-26 | 2021-03-09 | 陕西泰瑞通电气有限公司 | Screw locking type connecting joint and method for preventing disengagement during locking |
-
2020
- 2020-11-26 CN CN202022765228.3U patent/CN213520379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467420A (en) * | 2020-11-26 | 2021-03-09 | 陕西泰瑞通电气有限公司 | Screw locking type connecting joint and method for preventing disengagement during locking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213520379U (en) | Spiral locking type connecting joint | |
| CN214204852U (en) | Connector for bus duct | |
| CN112467420A (en) | Screw locking type connecting joint and method for preventing disengagement during locking | |
| CN201549740U (en) | Distribution transformer proclaim bushing pile head and cable connection converting device | |
| CN2379956Y (en) | Transition wire clip | |
| CN216362183U (en) | Connector cable assembly suitable for extremely harsh environment | |
| CN214672883U (en) | Energy storage battery module structure | |
| CN210607681U (en) | Annormal wire clip | |
| CN213521234U (en) | Anti-disengaging structure for inner cone plug terminal | |
| CN213692411U (en) | Closely contact rust-resistant electric power binding clip | |
| CN210607878U (en) | Pressing type locking connector | |
| CN210224311U (en) | Wiring device of electronic and electrical equipment | |
| CN209561646U (en) | A kind of torque screw bolt-type device clamp and equipment termination | |
| CN202797330U (en) | Electric power wiring terminal | |
| CN217158664U (en) | Heavy-current copper-aluminum bar | |
| CN211579068U (en) | Anti-loosening moment locking connecting device | |
| CN210576506U (en) | Novel copper aluminium transition binding post | |
| CN210957700U (en) | Bus duct convenient to it is fixed | |
| CN211578988U (en) | Electric power connection fitting | |
| CN215600571U (en) | Toper equipment fastener | |
| CN218498389U (en) | Wiring terminal | |
| CN110752493B (en) | Quick wiring conversion device of welding machine cabinet | |
| CN205562626U (en) | Novel binding post's ammeter | |
| CN207320342U (en) | A kind of high current conductor jointer | |
| CN218040011U (en) | Wiring terminal capable of eliminating stress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |