CN217603136U - Screw with high surface strength - Google Patents
Screw with high surface strength Download PDFInfo
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- CN217603136U CN217603136U CN202221432360.5U CN202221432360U CN217603136U CN 217603136 U CN217603136 U CN 217603136U CN 202221432360 U CN202221432360 U CN 202221432360U CN 217603136 U CN217603136 U CN 217603136U
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- force application
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- nut
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Abstract
The utility model discloses a high surface strength's screw relates to the technical field of screw, has solved the screw and has easily come off not hard up problem, including the application of force post, installation cavity and lower depression bar, the fixed nut that is equipped with of one end of application of force post, the fixed surface of application of force post is equipped with the screw thread, and the installation cavity is seted up in the junction of application of force post and nut, and inside is equipped with the extrusion piece, and the both sides of extrusion piece just are located the through-hole has all been seted up on the application of force post, and the inside slip of through-hole is equipped with the stopper, and one side of stopper is equipped with the inclined plane, the utility model discloses an add installation cavity, through-hole and stopper, can realize that the screw thread on the application of force post is twisted and locate the screw hole back, the stopper stretch out with the interior spacing groove of screw hole tip between the joint, realize spacing in vertical direction the application of force post, avoid the visual column to rock in vertical direction, can avoid the screw thread on the application of force post and the screw hole between not hard up to break away from, increased the stability of mounting screw, increased the security of use.
Description
Technical Field
The utility model relates to a technical field of screw specifically is a high surface strength's screw.
Background
The screw is a connecting piece for connecting and fixing objects or structures, so that the connection and installation of the screw are firmer, the screw is widely used in various industries, a high-strength screw for anti-sliding connection capable of preventing a nut and a screw rod from falling and loosening in use is needed, but the screw rod and an installation screw hole are easy to separate in use and loose in use, and the connection and fixing effect between the objects is poor.
To this end, we propose a screw with high surface strength.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce the not hard up screw of high surface strength who drops of oncomelania to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a screw with high surface strength comprises a force application column, an installation cavity and a lower pressure rod, wherein a nut is fixedly arranged at one end of the force application column, threads are fixedly arranged on the surface of the force application column, the installation cavity is arranged at the joint of the force application column and the nut, an extrusion block is arranged inside the installation cavity, through holes are formed in two sides of the extrusion block and are located on the force application column, a limiting block is arranged on the through holes in a sliding mode, an inclined plane is arranged on one side of the limiting block, a guide groove is formed in one side of the inclined plane, a sliding block fixedly connected with the end portion of the extrusion block slides inside the guide groove, the lower pressure rod is fixedly connected with one side of the upper portion of the extrusion block, the other end of the lower pressure rod penetrates through the nut and extends towards the outer portion of the installation cavity, a first spring is arranged on one side below the extrusion block, the installation cavity, the through holes and the limiting block are additionally arranged, after the threads on the force application column are screwed in a threaded hole, the limiting block extends out of the inner limiting groove of the end portion of the threaded hole, the limiting block, the force application column is clamped mode, the force application column is prevented from shaking in the vertical direction, the threaded hole on the force application column, the threaded hole of the force application column and the threaded hole of the screw, stability of the force application column is increased, and the screw is increased, and the safety of the screw is increased, and the screw.
Preferably, the center of one side of the nut, which is far away from the force application column, is provided with a cross-shaped groove, so that a worker can conveniently use a cross-shaped cutter to screw the nut.
Preferably, the cross-shaped pressing plate is fixedly arranged at one end, far away from the extrusion block, of the lower pressing rod, the cross-shaped pressing plate is arranged inside the cross-shaped groove in a sliding mode, and therefore the lower pressing rod can be pressed down conveniently when a worker uses the cross-shaped cutter to screw the lower pressing rod.
Preferably, a plurality of second springs are arranged below the cross-shaped pressing plate, the second springs are respectively arranged below the end part of the cross-shaped pressing plate, the resilience force of the pressing rod is increased, and the resetting convenience of the extrusion block is realized.
Preferably, the extrusion block is an isosceles trapezoid, wherein the waist of the isosceles trapezoid is in contact with the inclined plane, and the bober neon extrusion block is in contact with the inclined plane of the limit block.
Preferably, the side of nut all is fixed and is equipped with anti-skidding stupefied, can increase the frictional force between staff's finger and the nut.
Preferably, the fixed abrasionproof pad that is equipped with in below of nut, the surface of abrasionproof pad is equipped with the non-slip raised, avoids causing the friction between the tip of nut and the work piece, increases simultaneously adding the pressure between nut and the work piece, increases the stability of screw installation.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a optimize current screw, through addding installation cavity, through-hole and stopper, can realize that the screw on the application of force post is twisted and is located the screw hole back, the stopper stretch out with the interior spacing groove of screw hole tip between the joint, realize spacing on vertical direction to the application of force post, avoid the rocking of visual post in vertical side, can avoid not hard up between the screw on the application of force post and the screw hole to break away from, increased the stability of mounting screw, increased the security of using.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the connection between the middle stopper and the extrusion block of the present invention;
fig. 4 is the structure schematic diagram of the separation between the middle stopper and the extrusion block of the utility model.
In the figure: 1-a force application column; 2-a screw cap; 3-thread; 4-mounting a cavity; 5-extruding the block; 6-through holes; 7-a limiting block; 8-inclined plane; 9-a guide groove; 10-a slide block; 11-a lower pressure lever; 12-a first spring; 13-a cross groove; 14-a cross press plate; 15-a second spring; 16-anti-slip convex ridges; 17-wear pad.
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 work belong to the protection scope of the present invention.
Example 1
Please refer to fig. 2 and 4, a screw with high surface strength in the figures includes a force application column 1, a mounting cavity 4 and a lower pressing rod 11, a nut 2 is fixed at one end of the force application column 1, a thread 3 is fixed on the surface of the force application column 1, the mounting cavity 4 is arranged at the joint of the force application column 1 and the nut 2, and an extrusion block 5 is arranged inside the mounting cavity, through holes 6 are arranged on both sides of the extrusion block 5 and located on the force application column 1, a limiting block 7 is arranged inside the through holes 6 in a sliding manner, an inclined plane 8 is arranged on one side of the limiting block 7, a guide groove 9 is arranged on one side of the inclined plane 8, a sliding block 10 fixedly connected with the end of the extrusion block 5 is arranged inside the guide groove 9 in a sliding manner, the extrusion block 5 is an isosceles trapezoid, wherein the waist of the isosceles trapezoid contacts with the inclined plane 8, the lower pressing rod 11 is fixedly connected with one side above the extrusion block 5, the other end of the lower pressing rod extends to the outside of the mounting cavity 4 through the nut 2, and a first spring 12 is arranged on one side below the extrusion block 5.
Referring to fig. 2, a cross-shaped groove 13 is formed in the center of one side of the nut 2 away from the force application column 1.
When fixing an object to a screw: firstly, inserting a force application column 1 into the interior of a threaded hole to be installed, meanwhile, arranging an inner limiting groove at the end part of the threaded hole, then rotating a screw cap 2 at the end part of the force application column 1 to realize the threaded connection between a thread 3 on the surface of the force application column 1 and the threaded hole, pressing a lower pressing rod 11 in the rotating process, and pushing an extrusion block 5 to move downwards by the descending of the lower pressing rod 11, so that sliding blocks 10 at two sides of the extrusion block 5 can slide in a guide groove 9 at the end surface of a limiting block 7, pulling the limiting block 7 from the outer side of a through hole 6 to the interior of an installation cavity 4 to enter the through hole 6 in the sliding process, and when the force application column 1 is completely screwed into the interior of the threaded hole, at the moment, the screw cap 2 reaches the end part of the threaded hole, the staff loosens the pushing down to depression bar 11, the first spring 12 release elastic potential energy of compressed this moment, promote extrusion piece 5 upward movement, the in-process of extrusion piece 5 upward movement will drive slider 10 and slide in the guide way 9 on stopper 7 inclined plane 8, realize promoting to stopper 7 to both sides, release through-hole 6 with stopper 7, enter into the screw hole tip and seted up in the spacing groove, realize playing spacing effect to the application of force post in the vertical direction, avoid application of force post 1 to take place to send upward movement shaking the in-process, application of force post 1 is under unable rebound's effect, can realize the stability of installation between the screw thread 3 on the application of force post 1 and the screw hole, avoid droing between the two, the security of using has been increased.
Example 2
Referring to fig. 2, in this embodiment, as further described in embodiment 1, a force application column 1, an installation cavity 4 and a lower pressing rod 11 are shown in the figure, a nut 2 is fixedly disposed at one end of the force application column 1, threads 3 are fixedly disposed on the surface of the force application column 1, the installation cavity 4 is disposed at the joint of the force application column 1 and the nut 2, an extrusion block 5 is disposed inside the installation cavity, through holes 6 are disposed on both sides of the extrusion block 5 and located on the force application column 1, a limiting block 7 is slidably disposed inside the through holes 6, an inclined surface 8 is disposed on one side of the limiting block 7, a guide groove 9 is disposed on one side of the inclined surface 8, a slider 10 fixedly connected to the end of the extrusion block 5 is slidably disposed inside the guide groove 9, the extrusion block 5 is an isosceles trapezoid, wherein an isosceles trapezoid waist of the isosceles trapezoid contacts with the inclined surface 8, the lower pressing rod 11 is fixedly connected to one side above the extrusion block 5, the other end of the lower pressing rod extends through the nut 2 to the outside of the installation cavity 4, and a first spring 12 is disposed on one side below the extrusion block 5;
referring to fig. 2, a cross-shaped pressing plate 14 is fixedly arranged at one end of the lower pressing rod 11 away from the extrusion block 5, and the cross-shaped pressing plate 14 is slidably arranged inside the cross-shaped groove 13;
referring to fig. 4, a plurality of second springs 15 are disposed below the cross press plate 14, and the second springs 15 are disposed below the end portions of the cross press plate 14, respectively.
In this embodiment, when pressing depression bar 11 down, the inside of seting up cross recess 13 at the top of nut 2 is equipped with cross clamp plate 14, use the cross cutter to twist nut 2 when establishing at the staff, insert the inside of cross recess 13 with the cross cutter, can realize pressing down cross clamp plate 14, the in-process of pressing can realize pushing down depression bar 11, the realization is twisted and is carried out synchronous pushing down to depression bar 11 when establishing nut 2, the convenience of use has been increased, be equipped with second spring 15 in cross clamp plate 14's below simultaneously, cross clamp plate 14 lift can be assisted to second spring 15, realize depression bar 11 bounce of auto-return under the effect of not atress.
Example 3
Referring to fig. 1, in the present embodiment, for further explanation of other embodiments, a force application column 1, an installation cavity 4 and a lower pressing rod 11 are shown in the figure, a nut 2 is fixedly disposed at one end of the force application column 1, threads 3 are fixedly disposed on a surface of the force application column 1, the installation cavity 4 is disposed at a joint of the force application column 1 and the nut 2, an extrusion block 5 is disposed inside the installation cavity, through holes 6 are disposed on both sides of the extrusion block 5 and located on the force application column 1, a limiting block 7 is slidably disposed inside the through holes 6, an inclined surface 8 is disposed on one side of the limiting block 7, a guide groove 9 is disposed on one side of the inclined surface 8, a slider 10 fixedly connected to an end of the extrusion block 5 is slidably disposed inside the guide groove 9, the extrusion block 5 is an isosceles trapezoid, wherein an isosceles trapezoid waist of the isosceles trapezoid contacts with the inclined surface 8, the lower pressing rod 11 is fixedly connected to one side above the extrusion block 5, the other end of the lower pressing rod extends through the nut 2 to the outside of the installation cavity 4, and a first spring 12 is disposed on one side below the extrusion block 5.
Referring to fig. 1, the side of the nut 2 is fixed with anti-slip ribs 16;
referring to fig. 2, an anti-wear pad 17 is fixed below the nut 2, and anti-slip protrusions are disposed on the surface of the anti-wear pad 17.
In this embodiment, be equipped with protruding stupefied 16 of antiskid on nut 2's lateral wall, increase the in-process that the staff took and increase the frictional force between nut 2 and the finger, increase the stability of taking, be equipped with abrasionproof pad 17 in nut 2's below one side simultaneously, reduce the friction to workpiece surface, increase the extrusion force between nut 2 and the work piece simultaneously, increase the stability of installation.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high surface strength screw, comprising:
the device comprises a force application column (1), wherein a screw cap (2) is fixedly arranged at one end of the force application column (1), and a thread (3) is fixedly arranged on the surface of the force application column (1);
the installation cavity (4) is arranged at the joint of the force application column (1) and the nut (2), an extrusion block (5) is arranged in the installation cavity, through holes (6) are formed in two sides of the extrusion block (5) and positioned on the force application column (1), a limiting block (7) is arranged in the through holes (6) in a sliding mode, an inclined plane (8) is arranged on one side of the limiting block (7), a guide groove (9) is formed in one side of the inclined plane (8), and a sliding block (10) fixedly connected with the end portion of the extrusion block (5) slides in the guide groove (9);
the lower pressing rod (11) is fixedly connected with one side of the upper portion of the extrusion block (5), the other end of the lower pressing rod penetrates through the nut (2) and extends towards the outer portion of the installation cavity (4), and a first spring (12) is arranged on one side of the lower portion of the extrusion block (5).
2. A high surface strength screw as defined in claim 1, wherein: the center of one side of the nut (2) far away from the force application column (1) is provided with a cross-shaped groove (13).
3. A high surface strength screw as defined in claim 2, wherein: one end of the lower pressing rod (11) far away from the extrusion block (5) is fixedly provided with a cross pressing plate (14), and the cross pressing plate (14) is arranged inside the cross groove (13) in a sliding mode.
4. A high surface strength screw as claimed in claim 3, wherein: a plurality of second springs (15) are arranged below the cross-shaped pressing plate (14), and the second springs (15) are respectively arranged below the end part of the cross-shaped pressing plate (14).
5. A high surface strength screw as defined in claim 1, wherein: the extrusion block (5) is in the shape of an isosceles trapezoid, wherein the waist of the isosceles trapezoid is in contact with the inclined plane (8).
6. A high surface strength screw as defined in claim 1, wherein: the side of the screw cap (2) is fixedly provided with anti-skid convex ribs (16).
7. A high surface strength screw as defined in claim 1, wherein: an anti-abrasion pad (17) is fixedly arranged below the screw cap (2), and anti-skid protrusions are arranged on the surface of the anti-abrasion pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221432360.5U CN217603136U (en) | 2022-06-09 | 2022-06-09 | Screw with high surface strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221432360.5U CN217603136U (en) | 2022-06-09 | 2022-06-09 | Screw with high surface strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217603136U true CN217603136U (en) | 2022-10-18 |
Family
ID=83587834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221432360.5U Active CN217603136U (en) | 2022-06-09 | 2022-06-09 | Screw with high surface strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217603136U (en) |
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2022
- 2022-06-09 CN CN202221432360.5U patent/CN217603136U/en active Active
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