CN219953902U - Anti-drop's double-end screw - Google Patents
Anti-drop's double-end screw Download PDFInfo
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- CN219953902U CN219953902U CN202321612788.2U CN202321612788U CN219953902U CN 219953902 U CN219953902 U CN 219953902U CN 202321612788 U CN202321612788 U CN 202321612788U CN 219953902 U CN219953902 U CN 219953902U
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- double
- screw
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- block
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- 238000009434 installation Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of double-headed screws, and discloses an anti-falling double-headed screw, which comprises a fixed shell, wherein a guide cylinder is fixedly connected to the middle part of the inner side wall of the fixed shell, a fixed plate is fixedly connected to the middle part of the inner side wall of the guide cylinder, springs which are opposite left and right are fixedly connected to the middle part of the fixed plate, guide grooves which are opposite left and right are formed in the inner side wall of the guide cylinder, and guide blocks are slidably connected to the guide grooves. According to the utility model, through the matching of the sliding block, the connecting block, the guide cylinder, the sliding groove, the fixing plate, the guide groove, the spring and the guide block, the internal adjusting effect on the double-headed screw is realized, the length of the double-headed screw can be adjusted to a certain extent corresponding to the interfaces of different sizes during installation, the situation that the double-headed screw is bent and twisted due to forced installation is avoided, and meanwhile, the double-headed screw can be reset after the installation is finished, so that the deviation is prevented, and the applicability and convenience of the double-headed screw are further improved.
Description
Technical Field
The utility model relates to the technical field of double-headed screws, in particular to an anti-falling double-headed screw.
Background
The double-headed screw, also called a double-headed stud or a double-headed bolt, is generally in a structure with two threads and a middle polished rod, is mainly used for the fixed connection of special machinery, the two ends of the double-headed screw are provided with threads, and the middle screw is thick or thin, and is generally used for mining machinery, bridges, automobiles, motorcycles, boiler steel structures, hanging towers, large-span steel structures, large-scale buildings and the like.
At present, ordinary double-end screw on the market can help the user to be connected fixedly between two structures, but its simple structure because most fixed knot as an organic whole constructs, can not adjust, probably can take place the circumstances of distortion because of the installation difficulty when the installation for its convenience of use reduces, and at present double-end screw at the in-process of using, probably can lead to the screw to become flexible because of reasons such as vibrations, influences the stability of screw connection, thereby leads to connecting failure, has certain potential safety hazard.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an anti-falling double-ended screw.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an anti-drop's double-end screw, includes fixed casing, fixed casing inside wall middle part fixedly connected with guide cylinder, guide cylinder inside wall middle part fixedly connected with fixed plate, relative spring about fixed plate middle part fixedly connected with, guide cylinder inside wall is provided with the guide way of controlling relatively, guide way sliding connection has the guide block, guide block one side fixedly connected with spring, guide block opposite side fixedly connected with connecting block, connecting block one side block is connected with hexagonal nut.
As a further description of the above technical solution:
the hexagonal nut outside fixedly connected with front and back relative slider, slider sliding connection has the spout.
As a further description of the above technical solution:
the spout is located fixed casing inside wall, hexagon nut inboard block is connected with the connecting cap.
As a further description of the above technical solution:
the screw connecting device is characterized in that one side of the connecting cap is fixedly connected with a screw body, and uniformly distributed communicating grooves are formed in one side of the screw body.
As a further description of the above technical solution:
the screw body inside wall one end is provided with the thread groove, thread groove threaded connection has the screw thread piece.
As a further description of the above technical solution:
the thread blocks are arranged in a frustum shape.
As a further description of the above technical solution:
the hexagonal nut is matched with grooves at two ends of the inner side wall of the fixed shell, and the middle part of the fixed shell is provided with a screw body which is opposite left and right.
The utility model has the following beneficial effects:
1. according to the utility model, through the matching of the sliding block, the connecting block, the guide cylinder, the sliding groove, the fixing plate, the guide groove, the spring and the guide block, the internal adjusting effect on the double-headed screw is realized, the length of the double-headed screw can be adjusted to a certain extent corresponding to the interfaces of different sizes during installation, the situation that the double-headed screw is bent and twisted due to forced installation is avoided, and meanwhile, the double-headed screw can be reset after the installation is finished, so that the deviation is prevented, and the applicability and convenience of the double-headed screw are further improved.
2. According to the utility model, through the cooperation among the communicating grooves, the thread blocks and the thread grooves, the anti-falling effect of the double-headed screw during installation is realized, the effect of stable connection is achieved, the stability during use is further improved, the screw loosening caused by vibration is avoided, and the potential safety hazard is reduced.
Drawings
Fig. 1 is a perspective view of an anti-falling double-ended screw according to the present utility model;
FIG. 2 is a cross-sectional view of an anti-drop double-ended screw according to the present utility model;
FIG. 3 is a schematic diagram illustrating the connection of a double-ended screw with anti-falling function according to the present utility model;
FIG. 4 is a cross-sectional view showing the internal structure of a double-ended screw according to the present utility model;
FIG. 5 is a cross-sectional view showing the internal structure of a fixing housing of an anti-falling double-ended screw according to the present utility model;
fig. 6 is a sectional view showing the internal structure of a guide cylinder of a double-ended screw for preventing falling off according to the present utility model.
Legend description:
1. a fixed housing; 2. a screw body; 3. a communicating groove; 4. a screw block; 5. a thread groove; 6. a connecting cap; 7. a hexagonal nut; 8. a slide block; 9. a connecting block; 10. a guide cylinder; 11. a chute; 12. a fixing plate; 13. a guide groove; 14. a spring; 15. and a guide block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides an anti-drop's double-end screw, including fixed casing 1, fixed casing 1 inside wall middle part fixedly connected with guide cylinder 10, fixed casing 1 plays fixed support effect to guide cylinder 10, guide cylinder 10 inside wall middle part fixedly connected with fixed plate 12, guide cylinder 10 plays fixed support effect to fixed plate 12, fixed plate 12 middle part fixedly connected with is controlled relative spring 14, be in order to make spring 14 more stable, guide cylinder 10 inside wall is provided with controls relative guide slot 13, guide slot 13 and guide block 15 are corresponding the setting, guide slot 13 sliding connection has guide block 15, can make guide block 15 slide through guide slot 13, guide block 15 one side fixedly connected with spring 14, further promote spring 14's stability, prevent that it from taking place the skew, guide block 15 opposite side fixedly connected with connecting block 9, guide block 15 plays fixed support effect to connecting block 9, connecting block 9 one side block joint is connected with hexagonal nut 7, make overall structure more stable through connecting block 9 and hexagonal nut 7 block.
The relative slider 8 around hexagonal nut 7 outside fixedly connected with, hexagonal nut 7 plays fixed support effect to slider 8, slider 8 sliding connection has spout 11, slider 8 sets up for corresponding with spout 11, spout 11 is located fixed casing 1 inside wall, hexagonal nut 7 inboard block is connected with connecting cap 6, be in order to make screw body 2 more stable, prevent to appear not hard up in the installation, connecting cap 6 one side fixedly connected with screw body 2, connecting cap 6 plays fixed support effect to screw body 2, screw body 2 one side is provided with evenly distributed's UNICOM's groove 3, screw body 2 inside wall one end is provided with thread groove 5, thread groove 5 sets up for corresponding with thread piece 4, thread groove 5 threaded connection has thread piece 4, thread piece 4 is the frustum form setting, hexagonal nut 7 agrees with the recess at fixed casing 1 inside wall both ends mutually for overall structure is more stable, fixed casing 1 middle part is provided with controls relative screw body 2, put into the hole inslot portion of required installation with screw body 2 and can install.
Working principle: when installing, can drive the guide block 15 through connecting block 9 through pulling screw body 2 and remove, simultaneously spring 14 atress shrink, aim at the mounting hole with the double-end screw after, loosen screw body 2, drive screw body 2 through spring 14 self elasticity and reset, avoid the condition of skew, put into the hole inslot of required installation with screw body 2, through twisting hexagonal nut 7, drive screw body 2 to inside rotation, when rotating the bottom, continue to twist hexagonal nut 7, thread block 4 rotates through thread groove 5 this moment, when thread block 4 rotates to screw body 2 inside completely, make screw body 2 bottom take place deformation, make screw body 2 card die inside, reach stable installation, effectively avoid the not hard up condition of double-end screw because of vibrations appear, further reduce the potential safety hazard.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides an anti-drop's double-end screw, includes fixed casing (1), its characterized in that: fixed casing (1) inside wall middle part fixedly connected with guide cylinder (10), guide cylinder (10) inside wall middle part fixedly connected with fixed plate (12), relative spring (14) about fixed plate (12) middle part fixedly connected with, guide cylinder (10) inside wall is provided with controls relative guide way (13), guide way (13) sliding connection has guide block (15), guide block (15) one side fixedly connected with spring (14), guide block (15) opposite side fixedly connected with connecting block (9), connecting block (9) one side block is connected with hexagon nut (7).
2. The anti-drop double-ended screw according to claim 1, wherein: the hexagonal nut (7) outside fixedly connected with front and back relative slider (8), slider (8) sliding connection has spout (11).
3. The anti-drop double-ended screw according to claim 2, wherein: the chute (11) is positioned on the inner side wall of the fixed shell (1), and the inner side of the hexagonal nut (7) is connected with the connecting cap (6) in a clamping way.
4. A drop-resistant double-ended screw as claimed in claim 3, wherein: the screw connecting device is characterized in that one side of the connecting cap (6) is fixedly connected with the screw body (2), and uniformly distributed communicating grooves (3) are formed in one side of the screw body (2).
5. The anti-drop double-ended screw according to claim 4, wherein: screw body (2) inside wall one end is provided with screw thread groove (5), screw thread groove (5) threaded connection has screw thread piece (4).
6. The anti-drop double-ended screw according to claim 5, wherein: the thread blocks (4) are arranged in a frustum shape.
7. The anti-drop double-ended screw according to claim 1, wherein: the hexagonal nut (7) is matched with grooves at two ends of the inner side wall of the fixed shell (1), and a screw body (2) opposite to each other in the left-right direction is arranged in the middle of the fixed shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612788.2U CN219953902U (en) | 2023-06-25 | 2023-06-25 | Anti-drop's double-end screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612788.2U CN219953902U (en) | 2023-06-25 | 2023-06-25 | Anti-drop's double-end screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953902U true CN219953902U (en) | 2023-11-03 |
Family
ID=88546066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321612788.2U Active CN219953902U (en) | 2023-06-25 | 2023-06-25 | Anti-drop's double-end screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953902U (en) |
-
2023
- 2023-06-25 CN CN202321612788.2U patent/CN219953902U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |