CN217055854U - Pin and cable clamp - Google Patents
Pin and cable clamp Download PDFInfo
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- CN217055854U CN217055854U CN202123029191.9U CN202123029191U CN217055854U CN 217055854 U CN217055854 U CN 217055854U CN 202123029191 U CN202123029191 U CN 202123029191U CN 217055854 U CN217055854 U CN 217055854U
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- pin
- limiting elastic
- elastic sheet
- supporting block
- supporting
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Abstract
The application discloses a pin and cable clamp, which comprises a pin body, wherein the top of the pin body is provided with a plurality of mutually independent supporting blocks, each supporting block is centrosymmetric around the axis of the pin body, and in a working state, each supporting block is mutually abutted; meanwhile, the pin also comprises a plurality of limiting elastic sheets, each limiting elastic sheet corresponds to the supporting block one by one and is fixedly connected with the supporting block, and the free ends of the limiting elastic sheets extend to the outer side of the pin body in the radial direction; in the working process, the limiting elastic sheet pushes each supporting block to contract towards the axial direction of the nail body under the action of drawing force, and finally the supporting blocks are mutually abutted and supported to form a triangular supporting structure, so that the stability of the limiting elastic sheet is improved; meanwhile, the supporting block of the shell shrinkage structure can effectively increase the yielding amount of the limiting elastic sheet, and further increase the extending amount of the limiting elastic sheet in the radial direction of the pin body, so that the contact area between the pin and an external structure is increased, the pressure on the unit area is reduced, and the stability and the reliability of the pin are improved.
Description
Technical Field
The application relates to the technical field of fastening equipment, in particular to a pin and a cable clamp.
Background
The pin is widely applied as a connecting piece, and the head of the first generation bolt is small in reverse limiting stress surface and can deform and separate after being subjected to acting force; although the second generation bolt head has increased spacing contact surface, but the shell fragment structure that forms the contact is slightly poor because structural mechanics performance can produce after the effort increase and damage backward upset deformation and deviate from, overall, the head structure's of current bolt stability is relatively poor, and the main action point is all on the shell fragment structure behind the atress to cause the effort not to form effective dispersion, produce the concentrated condition of effort.
SUMMERY OF THE UTILITY MODEL
The application provides a main aim at provides a pin and cable fixture to solve the defect of pin poor stability among the prior art.
In order to achieve the purpose, the pin comprises a pin body, wherein a plurality of mutually independent supporting blocks are arranged at one end of the pin body, the supporting blocks are centrosymmetric around the axis of the pin body, and the axes of the supporting blocks and the axis of the pin body are intersected at an angle;
the supporting block is further provided with a limiting elastic sheet, and the free end of the limiting elastic sheet extends out of the nail body in the radial direction of the nail body.
Optionally, a contraction cavity for elastic yielding is arranged between the supporting blocks.
Optionally, each supporting block is further provided with an ejection surface, and in a working state, the ejection surfaces are supported in an abutting manner.
Optionally, transition arcs are arranged between the supporting block and the nail body and between the supporting block and the limiting elastic sheet.
Optionally, a reinforcing rib is further arranged at the connecting part of the supporting block and the limiting elastic sheet.
Optionally, the limiting elastic sheet is connected with the supporting block at an angle of 30-60 degrees away from the insertion direction of the nail body.
Optionally, the free end of the limiting elastic sheet is provided with a thrust surface, and the thrust surface is in a horizontal state in a working state.
Optionally, the nail body, the supporting block, the limiting elastic sheet and the reinforcing rib are of an integrally formed structure.
A cable clamp comprises a base and a cover plate, wherein the cover plate is rotatably connected with the pin at one end of the base; the cover plate is connected with the other end of the base in a buckling mode.
Optionally, the pin is arranged at the fastening connection end of the cover plate and the base in a penetrating manner; the pin is used for limiting and preventing the cover plate from tripping.
Optionally, the cross section of the buckle is of a V-shaped structure.
Compared with the prior art, the invention has the following beneficial effects:
the nail comprises a nail body, wherein the top of the nail body is provided with a plurality of mutually independent supporting blocks, each supporting block is centrosymmetric around the axis of the nail body, and the axes of the supporting blocks and the axis of the nail body are intersected at an angle; the pin also comprises a plurality of limiting elastic sheets, each limiting elastic sheet corresponds to the supporting block one by one and is fixedly connected with the supporting block, and the free ends of the limiting elastic sheets extend to the outer side of the pin body in the radial direction;
when the pin is used, the pin is inserted into the mounting hole, and the free end of the limiting elastic sheet contracts towards one axial side of the pin body and extrudes the supporting blocks to mutually approach together under the action of extrusion force on the inner wall of the mounting hole; after the pin is completely inserted, the limiting elastic sheet is unfolded into the stepped hole, and the lower bottom surface of the pin is abutted against the end surface of the stepped hole, so that the pin is abutted against the stepped hole structure in the mounting hole to realize limiting, and the pin is mounted;
in the working process, if the pin is subjected to a drawing force along the axial direction of the pin, the limiting elastic sheets push the supporting blocks to contract towards the axial direction of the pin body under the action of the drawing force, and finally abut against and support each other at the axial position of the pin body, and meanwhile, the limiting elastic sheets abut against the corners of the step surfaces of the mounting holes after being completely unfolded, as can be seen from the combination of the drawing force and the drawing force, the component force of the acting force applied to the limiting elastic sheets in the axial direction and the radial direction is respectively generated, the component force in the radial direction is mutually counteracted, the axial component force is completely acted on the pin body, and the structural strength of the pin body is the strongest part of the whole pin, so that the drawing force is converted to the pin body through the structural design, and the stability of the pin body is improved;
meanwhile, at the top of the pin, the supporting blocks which are mutually supported form a triangular supporting structure, so that the stability of the limiting elastic sheet is improved, the stability of the stressed structure is ensured, and the stability of the pin is further improved;
meanwhile, in the prior art, the top limiting elastic sheet of the nail body is directly connected with the nail body, and the maximum yielding amount of the limiting elastic sheet is only determined by the structure of the top limiting elastic sheet, so that in the prior art, in order to ensure the smooth installation of the pin, the extending amount of the limiting elastic sheet cannot be too large, and meanwhile, the thickness of the limiting elastic sheet cannot be too large, so that the limiting elastic sheet has enough elasticity, otherwise, the limiting elastic sheet cannot be normally installed due to too large rigidity;
and because the setting of supporting shoe has certain shrinkage in this application between the supporting shoe simultaneously, consequently in the installation, the supporting shoe can partially contract, and its the biggest yield that can effectively increase spacing shell fragment, and then increase spacing shell fragment at the ascending amount of stretching out of the radial direction of nail body to improve the area of contact between pin and the exterior structure, reduce the pressure on the unit area, improve the stability and the reliability of pin.
In addition, because of the increase of the yielding amount, the thickness of the limiting elastic sheet can be effectively improved, the structural rigidity of the limiting elastic sheet can be further improved, and the structural stability of the limiting elastic sheet is improved.
Drawings
FIG. 1 is a schematic view of a pin construction according to the present application;
FIG. 2 is a cross-sectional structural view of a pin according to the present application;
FIG. 3 is a schematic view of the working state of the pin according to the present application;
FIG. 4 is a schematic view of a cable clamp according to the present application;
reference numerals: 1-a nail body, 2-a supporting block, 3-a limiting elastic sheet, 4-a contraction cavity, 5-a pushing surface, 6-a transition arc, 7-a reinforcing rib, 8-a thrust surface, 9-a base, 10-a cover plate and 11-a buckle.
The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, the application discloses a pin, which comprises a pin body 1, wherein a plurality of supporting blocks 2 are arranged at the top of the pin body 1, and the supporting blocks 2 are arranged around the axis of the pin body 1 in a centrosymmetric manner; meanwhile, along the circumferential direction of the nail body 1, a contraction cavity 4 is arranged between the supporting blocks 2, and a contraction cavity 4 is also arranged at the central position of the end face of the nail body 1 at the end provided with the supporting blocks 2, so that the supporting blocks 2 are ensured to contract towards the axial direction of the nail body 1 under the action of external force, the contraction cavities 4 between the supporting blocks 2 isolate the supporting blocks 2, the mutual friction of the side faces of the supporting blocks 2 in the contraction process is avoided, the contraction smoothness can be improved, meanwhile, the supporting blocks 2 are prevented from being abraded, and the service life of the pin is prolonged;
the supporting blocks 2 are provided with only pushing surfaces 5, the pushing surfaces 5 on the supporting blocks 2 are arranged around the axis of the nail body 1, and a certain included angle is formed between the pushing surfaces 5 and the axis of the nail body 1 along the insertion direction of the nail body 1, and the size of the included angle is determined by the shrinkage of the supporting blocks 2;
meanwhile, the number of the supporting blocks 2 is determined on the cross section of each pushing surface 5, namely if two supporting blocks 2 are arranged, the cross section of each pushing surface 5 is of a plane structure, if 3 supporting blocks 2 are arranged, the cross section of each pushing surface is of an L-shaped structure of 120 degrees, if 4 supporting blocks 2 are arranged, the cross section of each pushing surface is of a right-angle structure, and the rest is done in sequence, so that the supporting blocks 2 are mutually attached and supported in the axial direction of the nail body 1, and stable supporting force is provided for the limiting elastic sheet 3;
in the above-mentioned setting, the amount of yielding of each supporting shoe 2 has been improved through ingenious structural design, and then increases the protruding volume of spacing shell fragment 3 in the 1 radial direction of the nail body to improve the area of contact between pin and the exterior structure, reduce the pressure on the unit area, improve the stability and the reliability of pin.
The top of each supporting block 2 is provided with a limiting elastic sheet 3, the limiting elastic sheets 3 are connected with the supporting blocks 2 at an angle, and the included angle between each limiting elastic sheet 3 and each supporting block 2 is 30-60 degrees along the insertion direction departing from the pin, wherein the preferred angle is 45 degrees, so that an umbrella-shaped structure is formed at the top of the pin through the supporting blocks 2 and the limiting elastic sheets 3;
meanwhile, in the radial direction of the nail body 1, the free end of the limiting elastic sheet 3 extends out of the nail body 1, namely, the projection is carried out along the axial direction of the nail body 1, the projection part of the limiting elastic sheet 3 is positioned in the projection of the nail body 1 and is connected with the supporting block 2, and the other end of the limiting elastic sheet is positioned outside the projection of the nail body 1 and is in a free state;
meanwhile, the top end of the free end of the limiting elastic sheet 3 is also provided with a thrust surface 8, the thrust surface 8 is of a plane structure, an acute included angle is formed between the thrust surface 8 and the axis of the nail body 1 along the insertion direction departing from the pin in a natural state, the limiting elastic sheet 3 extends outwards in a working state, and the thrust surface 8 is in a horizontal state and is abutted against an adjusting surface in a connecting hole; the structure can effectively improve the contact area between the limiting elastic sheet 3 and the step surface of the mounting hole, reduce the pressure on the unit area and improve the stability and the reliability of the pin.
The supporting block 2 is connected with the nail body 1 as a whole, the limiting elastic sheet 3 is connected with the supporting block 2 as a whole, a transition arc 6 is arranged at the joint of the supporting block 2 and the nail body 1, and the transition arc 6 is arranged at the joint of the limiting elastic sheet 3 and the supporting block 2, so that the structural weak point with concentrated stress at the corner is avoided, and the structural strength of the whole pin is improved; the joint of the limiting elastic sheet 3 and the supporting block 2 is also provided with a reinforcing rib 7, and the reinforcing rib 7, the supporting block 2 and the limiting elastic sheet 3 are of an integral structure; can further strengthen spacing shell fragment 3's structural strength through above-mentioned setting to improve the structural stability of real individual pin.
Referring to fig. 4, this embodiment is as an optional embodiment of the utility model discloses a cable fixture, cable fixture includes base 9 and apron 10, the one end of base 9 and the one end of apron 10 are provided with the buckle 11 of mutual interlock, and the cross section of buckle 11 is the V-arrangement structure, and the mutual interlock through two buckles 11 realizes that the base 9 links to each other with the fixed of apron 10 one end, the other end of base 9 and the other end of apron 10 all are provided with the connecting hole, wear to be equipped with the pin in the connecting hole, through the pin realizes that the rotation of apron 10 and base 9 is connected, prevents through the pin simultaneously apron 10 with base 9 breaks away from each other.
Meanwhile, a connecting hole is also formed in one end, provided with the buckle 11, of the base 9 and the cover plate 10, and the pin penetrates through the connecting hole, so that the connecting strength between the cover plate 10 and the base 9 is further enhanced.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (10)
1. The pin comprises a pin body (1) and is characterized in that one end of the pin body (1) is provided with a plurality of mutually independent supporting blocks (2), and each supporting block (2) is centrosymmetric around the axis of the pin body (1);
the supporting block (2) is also provided with a limiting elastic sheet (3), and the free end of the limiting elastic sheet (3) extends out of the nail body (1) in the radial direction of the nail body (1); the supporting blocks (2) are mutually abutted;
and a contraction cavity (4) for the support blocks to elastically give way is also arranged between the support blocks (2).
2. A pin according to claim 1, characterised in that each support block (2) is further provided with an abutment surface (5), the abutment surfaces (5) bearing against each other in the operating state.
3. A pin according to claim 1, characterized in that a transition arc (6) is arranged between the support block (2) and the pin body (1) and between the support block (2) and the limiting spring plate (3).
4. A pin according to claim 1 in which the connection between the support block (2) and the retaining clip (3) is provided with a strengthening rib (7).
5. A pin according to claim 1, characterised in that the spacing clip (3) is angularly connected to the support block (2) at an angle of 30 ° to 60 ° away from the direction of insertion of the pin body (1).
6. A pin according to claim 1, characterised in that the free end of the retaining clip (3) is provided with a thrust surface (8), and in that the thrust surface (8) is horizontal in the operating condition.
7. A pin according to any of claims 1 to 6 in which the body (1), the support block (2), the retaining clip (3) and the strengthening rib (7) are of integral construction.
8. A cable clamp comprising a base (9) and a cover plate (10), wherein the cover plate (10) is rotatably connected to one end of the base (9) by means of a pin according to any one of claims 1 to 7; the cover plate (10) is connected with the other end of the base (9) through a buckle (11).
9. A cable clamp according to claim 8, wherein the snap-fit connection ends of the cover plate (10) and the base (9) are provided with the pins;
the pin is used for limiting and preventing the cover plate (10) from tripping.
10. A cable clamp according to claim 8, wherein the cross-section of the catch (11) is of a V-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029191.9U CN217055854U (en) | 2021-12-03 | 2021-12-03 | Pin and cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029191.9U CN217055854U (en) | 2021-12-03 | 2021-12-03 | Pin and cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055854U true CN217055854U (en) | 2022-07-26 |
Family
ID=82477685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123029191.9U Active CN217055854U (en) | 2021-12-03 | 2021-12-03 | Pin and cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055854U (en) |
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2021
- 2021-12-03 CN CN202123029191.9U patent/CN217055854U/en active Active
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| GR01 | Patent grant |