CN209781427U - Anti-loosening screw - Google Patents
Anti-loosening screw Download PDFInfo
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- CN209781427U CN209781427U CN201920579037.2U CN201920579037U CN209781427U CN 209781427 U CN209781427 U CN 209781427U CN 201920579037 U CN201920579037 U CN 201920579037U CN 209781427 U CN209781427 U CN 209781427U
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- screw
- mounting hole
- double
- contact pin
- hole
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- 239000000463 material Substances 0.000 claims description 28
- 238000010009 beating Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 18
- 239000002023 wood Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a check screw. The technical key points are as follows: the utility model provides a locking screw, include the screw head and be located the double-screw bolt of screw head lower surface, the mounting hole has been seted up along the axis direction of double-screw bolt to the upper surface of screw head, the mounting hole extends to the position that is close to the double-screw bolt lower extreme, the bottom surface week side of mounting hole is provided with the guiding hole that extends to the double-screw bolt lower extreme terminal surface and is close to the double-screw bolt outer wall, it has the dead lever to peg graft in the mounting hole, the dead lever is close to the one side of mounting hole bottom and is provided with the elasticity contact pin that is used for. The utility model has the advantages of better preventing that the screw from producing not hard up.
Description
Technical Field
The utility model relates to a screw technical field, more specifically say, it relates to a locking screw.
background
The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object.
The screws of the prior art generally comprise a screw head and a cylindrical stud provided with a thread on the outer wall, the stud being located on the lower surface of the screw head, which can be used to fix some object to another object. In daily life, some objects are locked on some wood materials by screws for permanent fixation, but the existing screws do not have the anti-loosening function, and the screws are loosened when the wood materials vibrate, so that the fastening effect of the screws is influenced, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
To the technical problem that has now, an object of the utility model is to provide a locking screw, it has the better screw that prevents to produce not hard up advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
The utility model provides a locking screw, includes the screw head and is located the double-screw bolt of screw head lower surface, the mounting hole has been seted up along the axis direction of double-screw bolt to the upper surface of screw head, the mounting hole extends to the position that is close to the double-screw bolt lower extreme, the bottom surface week side of mounting hole is provided with the guiding hole that extends to the double-screw bolt lower extreme terminal surface and is close to the double-screw bolt outer wall, it has the dead lever to peg graft in the mounting hole, the dead lever is provided with the elasticity contact pin that is used for inserting in wooden material near the one side of mounting hole bottom, works as when the dead.
through adopting above-mentioned technical scheme, when rotatory screw locks the object on some wooden materials, set up the mounting hole through the upper surface at the screw head towards the lower extreme direction of double-screw bolt, and set up the guiding hole that extends to the position that the terminal surface is close to the double-screw bolt outer wall under the double-screw bolt in the bottom week side of mounting hole, can insert the dead lever in the mounting hole behind screw locking object, when slowly inserting the dead lever in the mounting hole, because elastic contact pin has certain deformability, so when the dead lever gets into the mounting hole completely, elastic contact pin on the dead lever can wear out the double-screw bolt and insert on wooden material along the guiding hole, make dead lever and elastic contact pin have one with screw locking after again with the screw effect on wooden material, thereby better reaching prevents the not hard up effect of screw.
The utility model discloses further set up to: the side of the bottom surface of the guide hole ring mounting hole is equidistantly provided with a plurality of elastic contact pins, and the number of the elastic contact pins is the same as that of the mounting holes.
Through adopting above-mentioned technical scheme, through the cooperation of a plurality of guiding hole and the elastic contact pin that the equidistance set up, can improve the effect of dead lever and elastic contact pin with the screw on wooden material, further improve the locking effect of screw.
The utility model discloses further set up to: the mounting hole inner wall is provided with the locating piece along length direction, the outer wall of dead lever is provided with the constant head tank with locating piece complex.
Through adopting above-mentioned technical scheme, through setting up the cooperation between locating piece and the constant head tank, when inserting the dead lever in the mounting hole, can play the effect of location, the elastic contact pin on the dead lever of being convenient for can insert the guiding hole of mounting hole bottom fast in, and when beating the elastic contact pin of dead lever on with the dead lever and inserting wooden material along the guiding hole in, can prevent that the dead lever from taking place to rotate in the mounting hole for elastic contact pin takes place the offset.
The utility model discloses further set up to: the cross-section of the guide hole in the vertical direction is in inclined linear arrangement, and the outer diameter of the guide hole is slightly larger than that of the elastic contact pin.
through adopting above-mentioned technical scheme, be the guiding hole that the straight line that inclines set up through the cross-section at vertical direction, and the external diameter of guiding hole slightly is greater than the external diameter of elastic contact pin for when inserting the elastic contact pin in the guiding hole, the guiding hole can be worn out along the outer wall of guiding hole to the elastic contact pin.
The utility model discloses further set up to: the front end of the elastic contact pin inserted into the guide hole is in a needle point shape, and the outer wall of the front end of the elastic contact pin is provided with a barb.
Through adopting above-mentioned technical scheme, set up to the pinpoint form through the front end with elastic contact pin, can be convenient for elastic contact pin insert wooden material when wearing out the guiding hole sooner, and can improve elastic contact pin and wooden material's frictional force through setting up the barb, further improve the locking effect of screw.
The utility model discloses further set up to: the junction of the mounting hole and the upper surface of the screw head is provided with an inverted angle.
Through adopting above-mentioned technical scheme, have the guide effect through setting up the chamfer, can be convenient for get into the mounting hole along chamfer position fast when inserting the dead lever into the mounting hole.
The utility model discloses further set up to: and a knocking block is arranged on one end face of the fixed rod, which is far away from the bottom of the mounting hole, and when the fixed rod completely enters the mounting hole, the lower surface of the knocking block is attached to the upper surface of the screw head.
Through adopting above-mentioned technical scheme, because when inserting wooden material with the elasticity contact pin on the dead lever along the guiding hole, need carry out certain beating to the dead lever, can be convenient for carry out the application of force to the dead lever and beat through setting up the beating piece for the dead lever atress is more even.
The utility model discloses further set up to: and anti-skid grains are arranged on the upper surface of the beating block.
Through adopting above-mentioned technical scheme, can improve the frictional force of beating the piece upper surface through set up anti-skidding line at the upper surface of beating the piece for it is more stable when beating the piece with the hammer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) Through the arrangement of the mounting holes, the fixing rods inserted in the mounting holes, and the matching of the elastic contact pins fixed on the fixing rods and the guide holes, when the screws are locked on the wooden material, the screw fixing device has the effect of fixing the screws on the wooden material through the elastic contact pins and the fixing rods, so that the effect of preventing the screws from loosening is better achieved;
(2) The effect of screwing the screw on the wood material can be improved by arranging the plurality of guide holes and the elastic contact pins which are matched with each other, so that the effect of further preventing the screw from loosening is achieved;
(3) The front end through inserting the elasticity contact pin guiding hole sets up to the pinpoint form, and is provided with the barb on the front end outer wall of elasticity contact pin and can improve elasticity contact pin and wooden material's frictional force, improves elasticity and wooden material's joint strength to make the screw have better locking effect.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of the fixing rod of the present embodiment before installation;
FIG. 3 is a sectional view of the present embodiment;
Fig. 4 is an enlarged view of a in fig. 2.
Reference numerals: 1. a screw head; 2. a knock block; 3. a stud; 4. elastic pin insertion; 5. positioning blocks; 6. fixing the rod; 7. mounting holes; 8. positioning a groove; 9. a guide hole; 10. and (6) barb.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
In the embodiment, as shown in fig. 1, 2 and 3, the anti-loosening screw includes a hexagonal screw head 1 and a stud 3 fixed on the lower surface of the screw head 1 and fixed on some wood materials in a threaded connection manner, a mounting hole 7 is formed in the upper surface of the screw head 1 along the axis direction of the stud 3, the mounting hole 7 extends to a position close to the lower end of the stud 3, a guide hole 9 extending to the lower end surface of the stud 3 and close to the outer wall of the stud 3 is formed in the periphery of the bottom surface of the mounting hole 7, a fixing rod 6 capable of being inserted into the mounting hole 7 is arranged in the mounting hole 7, and an elastic contact pin 4 inserted into the wood materials is vertically arranged on one surface of the fixing rod 6 close to the bottom of the; wherein, elastic pin 4 can be made by the steel wire, has certain deformability, and guiding hole 9 plays the effect of leading elastic pin 4, and when dead lever 6 got into mounting hole 7 completely, elastic pin 4 can take place certain buckling and wear out guiding hole 9 along the inside of guiding hole 9, insert in the outside wooden material of double-screw bolt 3 at last.
as shown in fig. 2 and 3, the cross section of the guide hole 9 in the vertical direction is inclined and linearly arranged, and the outer diameter of the guide hole 9 is slightly larger than that of the elastic pin 4, so that the elastic pin 4 can move along the guide hole 9; the week side equidistance of guiding hole 9 ring mounting hole 7 bottom surface is provided with threely, can remove and wear out the elastic pin 4 of guiding hole 9 in guiding hole 9 set up quantity the same with guiding hole 9 quantity, and three elastic pin 4 through the equidistance setting can improve the joint strength with the screw on wooden material to the improvement prevents the not hard up effect of screw.
as shown in fig. 3 and 4, the front end of the elastic pin 4 inserted into the guide hole 9 is in a needle point shape, so that the elastic pin 4 can be better inserted into the wood material and the guide hole 9, and the barb 10 is arranged on the outer wall of the front end of the elastic pin 4, so that the contact area between the elastic pin 4 and the wood material can be increased, and the effect of improving the connection strength between the elastic pin 4 and the wood material can be achieved.
As shown in fig. 2, a positioning block 5 for limiting the position of the fixing rod 6 inserted into the mounting hole 7 is arranged on the inner wall of the mounting hole 7 along the length direction, and a positioning groove 8 matched with the positioning block 5 is arranged on the outer wall of the fixing, so that the elastic contact pin 4 can be quickly aligned with the guide tube; wherein, the junction of the mounting hole 7 and the upper surface of the screw head 1 is provided with an inverted angle for guiding, which is convenient for the fixing rod 6 to be inserted into the mounting hole 7 along the inverted angle position.
As shown in fig. 2, a knocking block 2 which is convenient for knocking the fixing rod 6 is arranged on one end face of the fixing rod 6 far away from the bottom of the mounting hole 7, the knocking block 2 and the fixing rod 6 are integrally arranged, so that the stress of the fixing rod 6 is more uniform, when the fixing rod 6 completely enters the mounting hole 7, the lower end face of the knocking block 2 can be attached to the upper surface of the screw head 1, the integrity of the knocking block 2 and a screw is improved, anti-skid grains are arranged on the upper surface of the knocking block 2, and when the knocking block 2 is knocked by a hammer, the occurrence of the sliding condition of the hammer and the knocking block 2 is reduced.
The utility model discloses a working process and beneficial effect as follows:
When the screw is locked on a wooden material through a tool, the positioning groove 8 on the fixed rod 6 is matched with the positioning block 5 and then inserted into the mounting hole 7, after the head of the elastic contact pin 4 is aligned with the guide hole 9, because the elastic contact pin 4 has certain deformation capacity, when the knocking block 2 is knocked slowly to enable the fixed rod 6 to move towards the bottom of the mounting hole 7, the elastic contact pin 4 on the fixed rod 6 can move towards the lower end face of the stud 3 under the guide of the guide hole 9, when the fixed rod 6 completely enters the mounting hole 7, the needle-point-shaped head of the elastic contact pin 4 can penetrate out of the guide hole 9 and be inserted into the wooden material on the outer wall of the stud 3, so that the effect of tightly locking the screw on the wooden material after the screw is locked is achieved, the number of the elastic contact pins 4 is three, and the connection strength between the elastic contact pins 4 and the wooden material can be increased through the barbs, thereby the screw has better locking effect.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. the utility model provides a locking screw, includes screw head (1) and double-screw bolt (3) that are located screw head (1) lower surface, its characterized in that: mounting hole (7) have been seted up along the axis direction of double-screw bolt (3) to the upper surface of screw head (1), mounting hole (7) extend to the position that is close to double-screw bolt (3) lower extreme, the bottom surface week of mounting hole (7) is provided with and extends to double-screw bolt (3) lower extreme terminal surface and be close to guiding hole (9) of double-screw bolt (3) outer wall, it has dead lever (6) to peg graft in mounting hole (7), dead lever (6) are provided with elasticity contact pin (4) that are used for inserting in wooden material near the one side of mounting hole (7) bottom, work as when dead lever (6) get into mounting hole (7) completely, guiding hole (9) are worn out in elasticity contact pin (4).
2. A check screw as defined in claim 1, wherein: the bottom surface of the guide hole (9) and the ring mounting hole (7) are equidistantly provided with a plurality of elastic pins (4) which are the same as the mounting holes (7) in number.
3. A check screw as defined in claim 1, wherein: the inner wall of the mounting hole (7) is provided with a positioning block (5) along the length direction, and the outer wall of the fixing rod (6) is provided with a positioning groove (8) matched with the positioning block (5).
4. A check screw as defined in claim 1, wherein: the cross section of the guide hole (9) in the vertical direction is in inclined linear arrangement, and the outer diameter of the guide hole (9) is slightly larger than that of the elastic contact pin (4).
5. A check screw as defined in claim 1, wherein: the front end of the elastic contact pin (4) inserted into the guide hole (9) is in a needle point shape, and the outer wall of the front end of the elastic contact pin (4) is provided with a barb (10).
6. a check screw as defined in claim 1, wherein: the joint of the mounting hole (7) and the upper surface of the screw head (1) is provided with a chamfer angle.
7. A check screw as defined in claim 1, wherein: and a knocking block (2) is arranged on one end face, far away from the bottom of the mounting hole (7), of the fixing rod (6), and when the fixing rod (6) completely enters the mounting hole (7), the lower surface of the knocking block (2) is attached to the upper surface of the screw head (1).
8. A check screw as defined in claim 7, wherein: and anti-skid grains are arranged on the upper surface of the beating block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579037.2U CN209781427U (en) | 2019-04-25 | 2019-04-25 | Anti-loosening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579037.2U CN209781427U (en) | 2019-04-25 | 2019-04-25 | Anti-loosening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781427U true CN209781427U (en) | 2019-12-13 |
Family
ID=68803974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579037.2U Active CN209781427U (en) | 2019-04-25 | 2019-04-25 | Anti-loosening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439189A (en) * | 2021-12-31 | 2022-05-06 | 苏州金螳螂软装艺术有限公司 | Environment-friendly artistic color line installation method and structure |
-
2019
- 2019-04-25 CN CN201920579037.2U patent/CN209781427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439189A (en) * | 2021-12-31 | 2022-05-06 | 苏州金螳螂软装艺术有限公司 | Environment-friendly artistic color line installation method and structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 2, No. 889 Xinmin Avenue, Tong'an District, Xiamen City, Fujian Province, 361100 Patentee after: Xiamen Heding Precision Manufacturing Co.,Ltd. Country or region after: China Address before: No. 107 Zouma Renli, Xilin Village, Xinmin Town, Tong'an District, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen heding industry and Trade Co.,Ltd. Country or region before: China |