CN217713282U - Combined type stud bolt - Google Patents
Combined type stud bolt Download PDFInfo
- Publication number
- CN217713282U CN217713282U CN202221211868.2U CN202221211868U CN217713282U CN 217713282 U CN217713282 U CN 217713282U CN 202221211868 U CN202221211868 U CN 202221211868U CN 217713282 U CN217713282 U CN 217713282U
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- screw
- pars contractilis
- double
- stud
- screw bolt
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Abstract
The utility model discloses a combination formula stud in bolt technical field, which comprises a body, both ends all are provided with the double-screw bolt about the body, every double-screw bolt outer end all is provided with screw thread portion, every double-screw bolt inner all is provided with the smooth portion, the body middle part is provided with the pars contractilis, both ends all are provided with the connection piece about the pars contractilis, all be provided with a plurality of perforation on every connection piece, all be provided with the screw rod in every perforation, both ends all are provided with fixation nut about every screw rod, the double-screw bolt top is provided with the oil filler point, adjust the length at body both ends through the pars contractilis, can adjust according to the on-the-spot demand, convenient and practical, and use through fixed cover and connector cooperation, and convenient to detach, can make connector and fixed cover locking through the internal thread, the spacing fixed pars contractilis convenient for, prescribe contractilis injectd through a plurality of screw rods and fixation nut, and strengthen the joint strength of pars contractilis, the pars contractilis length is indefinite when avoiding using, influence the use, improve its functionality.
Description
Technical Field
The utility model relates to a bolt technical field specifically is combination formula stud.
Background
Studs, also known as studs or studs. The double-head bolt is used for connecting a fixed link function of machinery, both ends of the double-head bolt are provided with threads, and a screw rod in the middle of the double-head bolt is thick and thin. The method is generally used for mining machinery, bridges, automobiles, motorcycles, boiler steel structures, tower cranes, large-span steel structures, large-scale buildings and the like.
Among the prior art, common combination formula stud does not possess flexible function, when its installation, can not adjust the suitable length of bolt according to the on-the-spot demand, can't adapt to multiple in service behavior, leads to its functional reduction. Accordingly, one skilled in the art has provided a sectional stud bolt to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination formula stud to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
modular stud, which comprises a body, both ends all are provided with the double-screw bolt about the body, every the double-screw bolt outer end all is provided with screw thread portion, every the double-screw bolt inner all is provided with smooth portion, the body middle part is provided with pars contractilis, both ends all are provided with the connection piece about the pars contractilis, every all be provided with a plurality of perforation on the connection piece, every all be provided with the screw rod in the perforation, every both ends all are provided with fixation nut about the screw rod, the double-screw bolt top is provided with the oil filler point, be provided with the recess on the oil filler point, be provided with the jam on the recess, two the equal annular of screw thread portion outer end wall is provided with a plurality of oil outlets.
As a further aspect of the present invention: both ends all are provided with the connector about the pars contractilis, every the connector outer end all is provided with fixed cover, fixed cover and connection piece are the integrated into one piece structure, during the use, adjust the length at body both ends through the pars contractilis, can adjust according to the on-the-spot demand, convenient and practical, and use through fixed cover and connector cooperation, convenient to detach improves its functionality.
As the utility model discloses further scheme again: every all be provided with the internal thread in the fixed cover, during the use, can make connector and fixed cover locking through the internal thread, the spacing fixed pars contractilis of being convenient for.
As a further aspect of the present invention: it is a plurality of the screw rod all runs through the perforation and pegs graft on the connecting piece to through the spacing fixed of a plurality of fixation nut, during the use, inject the pars contractilis length through a plurality of screw rods and fixation nut, and strengthen the joint strength of pars contractilis, avoid the body installation back, the pars contractilis length is indefinite, influences the use.
As a further aspect of the present invention: every all be provided with lock nut on the double-screw bolt, every the lock nut outside all is provided with the elastic gasket, and during the use, rotate lock nut, make its cooperation screw thread portion lock it to hug closely through elastic gasket and lock nut, effectively strengthen the body rather than the dynamics of being connected, play locking effect.
As a further aspect of the present invention: a plurality of the oil outlet all is arranged in screw thread portion thread gap, the oil filler point runs through the body, and is a plurality of the oil outlet all communicates with the oil filler point, when the body installation back, can pour into lubricating oil through the oil filler point to emerge by the oil filler point in screw thread portion thread gap from, play the lubrication action, can avoid screw thread portion to rust, further improved its rust-resistant behavior, and be convenient for follow-up dismantlement with it.
As a further aspect of the present invention: the outer surface of the body is provided with the anti-rust layer, so that the body has anti-rust performance through the anti-rust layer during use, and the problem that the body is rusted and difficult to detach after long-term use is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, adjust the length at body both ends through the pars contractilis, can adjust according to the on-the-spot demand, convenient and practical to use with the connector cooperation through fixed cover, and convenient to detach, can make connector and fixed cover locking through the internal thread, the spacing fixed pars contractilis of being convenient for is injectd the pars contractilis length through a plurality of screw rods and fixation nut, and strengthens the joint strength of pars contractilis, avoids the body installation back, and the pars contractilis length is indefinite, influences the use, improves its functionality.
2. The utility model discloses in, make the body have rust-resistant property through the antirust coat, rust after avoiding long-term the use and be difficult to dismantle, after the body installation, can pour into lubricating oil through the oil filler point to emerge by the oil outlet in the screw thread portion thread gap, play the lubrication action, can avoid screw thread portion to rust, further improved its rust-resistant property, improved its practicality.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the body of the present invention;
fig. 3 is a schematic structural view of the middle telescopic part of the present invention.
In the figure: 1. a body; 2. a stud; 21. a threaded portion; 22. a smooth portion; 3. a telescopic part; 31. connecting sheets; 32. perforating; 33. a screw; 34. fixing a nut; 35. a connector; 36. fixing a sleeve; 361. an internal thread; 4. an oil filler hole; 41. a groove; 42. blocking; 43. an oil outlet; 5. locking the nut; 51. an elastic 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 efforts all belong to the protection scope of the present invention.
Please refer to fig. 1-3, in the embodiment of the present invention, the combined stud bolt, including the body 1, both ends all are provided with the double-screw bolt 2 about the body 1, 2 outer ends of every double-screw bolt all are provided with screw thread portion 21, 2 inner of every double-screw bolt all are provided with smooth portion 22, 1 middle part of body is provided with pars contractilis 3, both ends all are provided with connection piece 31 about pars contractilis 3, all be provided with a plurality of perforation 32 on every connection piece 31, all be provided with screw rod 33 in every perforation 32, both ends all are provided with fixation nut 34 about every screw rod 33, 2 tops of double-screw bolt are provided with oil filler point 4, be provided with recess 41 on the oil filler point 4, be provided with on the recess 41 and block up 42, two equal annular of screw thread portion 21 outer end wall are provided with a plurality of oil filler points 43, during the use, block up 42 and install in recess 41, make the shutoff of oil filler point 4, can avoid the inside long-pending dirt of oil filler point 4, influence the use, and improve the practicality thereof.
The upper end and the lower end of the telescopic part 3 are respectively provided with a connector 35, the outer end of each connector 35 is provided with a fixed sleeve 36, the fixed sleeves 36 and the connecting pieces 31 are of an integrally formed structure, when the telescopic part 3 is used, the length of the two ends of the body 1 is adjusted through the telescopic part 3, the telescopic part can be adjusted according to the field requirement, the telescopic part is convenient and practical to use, and the fixed sleeves 36 and the connectors 35 are matched for use, so that the telescopic part is convenient to disassemble, and the functionality of the telescopic part is improved; an internal thread 361 is arranged in each fixed sleeve 36, and when the telescopic device is used, the connector 35 can be locked with the fixed sleeves 36 through the internal thread 361, so that the telescopic parts 3 can be conveniently limited and fixed; the plurality of screw rods 33 penetrate through the through holes 32 and are inserted into the connecting piece 31 and are limited and fixed through the plurality of fixing nuts 34, when the telescopic part is used, the length of the telescopic part 3 is limited through the plurality of screw rods 33 and the fixing nuts 34, the connecting strength of the telescopic part 3 is enhanced, and the influence on the use caused by the indefinite length of the telescopic part 3 after the body 1 is installed is avoided; each stud 2 is provided with a locking nut 5, the outer side of each locking nut 5 is provided with an elastic gasket 51, when the locking nut 5 is used, the locking nut 5 is rotated to be matched with the thread part 21 to lock the locking nut, and the elastic gasket 51 is tightly attached to the locking nut 5, so that the connecting force of the body 1 and the locking nut is effectively enhanced, and the anti-loose effect is achieved; the plurality of oil outlet holes 43 are all positioned in the thread gap of the thread part 21, the oil injection hole 4 penetrates through the body 1, and the plurality of oil outlet holes 43 are all communicated with the oil injection hole 4, so that lubricating oil can be injected through the oil injection hole 4 after the body 1 is installed, and the lubricating oil can emerge from the thread gap of the thread part 21 through the oil outlet holes 43, so that a lubricating effect is achieved, the thread part 21 can be prevented from rusting, the antirust performance of the thread part is further improved, and the thread part can be conveniently detached in the follow-up process; the outer surface of the body 1 is provided with an antirust layer, so that the body 1 has antirust performance through the antirust layer during use, and is prevented from rusting and being difficult to detach after long-term use.
The utility model discloses a theory of operation is: during the use, adjust the length at body 1 both ends through pars contractilis 3, can adjust according to the on-the-spot demand, convenient and practical, and use through fixed cover 36 and connector 35 cooperation, convenient to detach, improve its functionality, can make connector 35 and fixed cover 36 lock through internal thread 361, be convenient for spacing fixed pars contractilis 3, inject pars contractilis 3 length through a plurality of screw rods 33 and fixation nut 34, and strengthen the joint strength of pars contractilis 3, avoid body 1 installation back, pars contractilis 3 length is indefinite, influence the use, make body 1 have rust-resistant property through the antirust coat, avoid long-term use back to be difficult to dismantle, after body 1 installation, can pour into lubricating oil through oil filler point 4, and emerge by oil outlet 43 from screw thread gap of screw thread portion 21, play the lubrication action, screw thread portion 21 can be avoided, further improve its rust-resistant property, install jam 42 in recess 41, make oil filler point 4 shutoff, can avoid the inside laying dust of oil filler point 4, influence the use, improve its practicality, lock nut 5 rotates, make its cooperation 21 lock it with it, and through elasticity screw portion 51 and strengthen the body 5 and effective connection effect with it, 1, it is connected to it.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. Modular stud, including body (1), its characterized in that: body (1) upper and lower both ends all are provided with double-screw bolt (2), every double-screw bolt (2) outer end all is provided with screw thread portion (21), every double-screw bolt (2) inner all is provided with smooth portion (22), body (1) middle part is provided with pars contractilis (3), both ends all are provided with connection piece (31) about pars contractilis (3), every all be provided with a plurality of perforation (32) on connection piece (31), every all be provided with screw rod (33) in perforation (32), every both ends all are provided with fixation nut (34) about screw rod (33), double-screw bolt (2) top is provided with oil filler point (4), be provided with recess (41) on oil filler point (4), be provided with on recess (41) and block up (42), two the equal annular of screw thread portion (21) outer end wall is provided with a plurality of oil outlet (43).
2. The modular stud of claim 1, wherein: both ends all are provided with connector (35), every about flexible portion (3) connector (35) outer end all is provided with fixed cover (36), fixed cover (36) and connection piece (31) are the integrated into one piece structure.
3. The modular stud of claim 2, wherein: each fixed sleeve (36) is internally provided with an internal thread (361).
4. The modular stud of claim 1, wherein: the plurality of screw rods (33) penetrate through the through holes (32) and are inserted into the connecting piece (31) in an inserting mode, and the screw rods are limited and fixed through the plurality of fixing nuts (34).
5. The modular stud of claim 1, wherein: each stud (2) is provided with a locking nut (5), and the outer side of each locking nut (5) is provided with an elastic gasket (51).
6. The modular stud of claim 1, wherein: the oil outlet holes (43) are all located in thread gaps of the thread portions (21), the oil filling hole (4) penetrates through the body (1), and the oil outlet holes (43) are all communicated with the oil filling hole (4).
7. The modular stud of claim 1, wherein: the outer surface of the body (1) is provided with an anti-rust layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221211868.2U CN217713282U (en) | 2022-05-20 | 2022-05-20 | Combined type stud bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221211868.2U CN217713282U (en) | 2022-05-20 | 2022-05-20 | Combined type stud bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713282U true CN217713282U (en) | 2022-11-01 |
Family
ID=83791878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221211868.2U Active CN217713282U (en) | 2022-05-20 | 2022-05-20 | Combined type stud bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713282U (en) |
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2022
- 2022-05-20 CN CN202221211868.2U patent/CN217713282U/en active Active
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