CN210919761U - Check bolt nut component - Google Patents
Check bolt nut component Download PDFInfo
- Publication number
- CN210919761U CN210919761U CN201921778409.0U CN201921778409U CN210919761U CN 210919761 U CN210919761 U CN 210919761U CN 201921778409 U CN201921778409 U CN 201921778409U CN 210919761 U CN210919761 U CN 210919761U
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- nut
- bolt
- internal thread
- rod
- hole
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Abstract
The utility model discloses a check bolt nut component, which comprises a bolt head, a bolt rod, a basic nut, a locking nut and a threaded rod, wherein the bolt head is in threaded fit connection with a third external thread of the threaded rod through a first internal thread, the bolt rod is provided with a first external thread, the bolt rod is provided with a second through hole, the inner walls at two sides of the second through hole are respectively provided with a chute, the second through hole is in sliding connection with a fixed block at the outer walls at two sides of a slide block through the chutes, the basic nut is provided with a second internal thread matched with the first external thread, the basic nut is provided with an annular groove, the inner wall of the annular groove is provided with a third internal thread, one end of the screw rod of the locking nut is provided with a fourth internal thread matched with the first external thread, the outer surface of the screw rod of the locking nut is provided with a second, the utility model discloses locking effect is better, simple structure, and convenient dismantlement and change.
Description
Technical Field
The utility model belongs to the fastener field particularly, relates to a check bolt nut subassembly.
Background
The bolt is in the middle of daily life and industrial production manufacturing, an indispensable mechanical part, need use with the nut cooperation, some machinery can produce the vibration in the operation process, can cause the not hard up of bolt and nut fastener even drop in the past for a long time, in case the phenomenon that the nut drops from the bolt appears, will influence mechanical normal work, there is certain potential safety hazard, and when current bolt and nut fastener fastens the part, the locking force of nut and part contact position department is great, cause the damage of part easily, cause the inconvenience when the bolt damages and need change, the fastener range of application of bolt and nut is wider, for example mechanical product, power equipment, vehicle and hydraulic engineering etc., bolt and nut are born the important task in the industry.
A lockbolt nut assembly is therefore provided to address the above existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a check bolt nut component to solve the technical problem who proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a check bolt and nut assembly comprises a bolt head, a bolt rod, an annular washer, a basic nut, a locking nut and a threaded rod, wherein a regular hexagon annular groove is formed in a regular hexagon end face of the bolt head, a first through hole is formed in the regular hexagon annular groove and provided with a first internal thread, the bolt head is in threaded fit and rotary connection with a third external thread on the outer surface of the threaded rod through the first internal thread, a bolt rod is fixed on the other regular hexagon end face of the bolt head, a first external thread is arranged on the surface of the bolt rod, a second through hole is arranged at a position, close to the top, of the bolt rod, sliding grooves are formed in the inner walls of two sides of the second through hole, the second through hole is in sliding connection with fixed blocks on the outer walls of two sides of a sliding block through the sliding grooves, the bolt rod is in threaded connection with the basic nut, and a second internal thread matched with the first, the top of the basic nut is provided with an annular groove, the inner wall of the annular groove is provided with a third internal thread, the basic nut is connected with a locking nut through the third internal thread, one end of a screw rod of the locking nut is provided with a fourth internal thread matched with the first external thread, and the outer surface of the screw rod of the locking nut is provided with a second external thread matched with the third internal thread.
As an optimal technical scheme of the utility model, it has the annular packing ring still to spiral connection on the shank of bolt, the annular packing ring comprises the rubber material.
As a preferred technical scheme of the utility model, the second internal thread equals with fourth internal thread diameter, the fourth internal thread runs through lock nut's screw rod, the length of bolt rod is greater than basic nut and lock nut's total length.
As a preferred technical scheme of the utility model, the through-hole through connection that regular hexagon annular groove's through-hole and shank of bolt both sides were seted up
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a basic nut that sets up carries out one-level locking to the part, lock nut through setting up carries out second grade locking to the part, can fasten the nut through the slider design, two kinds of locking modes combine together, make the locking effect of bolt and nut fastener better, the nut is difficult for coming off from the bolt, do not influence mechanical normal work, certain potential safety hazard has been eliminated, annular packing ring through setting up the rubber material, when fastening the part, can be better protect the part, avoid it to receive the damage, annular groove design through regular hexagon, the problem of the difficult dismantlement of part damage change has been solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic view of the basic nut structure of the present invention;
fig. 4 is a schematic view of the bolt structure of the present invention;
FIG. 5 is a schematic view of the structure of the chute of the present invention;
fig. 6 is a schematic view of the structure of the fixing block of the present invention;
fig. 7 is a top view of the bolt head of the present invention;
in the figure: 1. a bolt; 2. a bolt shank; 3. an annular gasket; 4. a base nut; 5. locking the nut; 6. a threaded rod; 7. a regular hexagonal annular groove; 8. a first through hole; 9. a first internal thread; 10. a first external thread; 11. a second through hole; 12. a chute; 13. a fixed block; 14. a slider; 15. a second internal thread; 16. an annular groove; 17. a third internal thread; 18. a fourth internal thread; 19. a second external thread; 20. a third external thread.
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.
Referring to fig. 1-7, the present invention provides a locking bolt and nut assembly, the assembly includes a bolt head 1, a bolt bar 2, a ring washer 3, a basic nut 4, a locking nut 5 and a threaded rod 6, a regular hexagon end surface of the bolt head 1 is provided with a regular hexagon annular groove 7, a first through hole 8 is formed in the regular hexagon annular groove 7, the first through hole 8 is provided with a first internal thread 9, the bolt head 1 is in threaded fit and rotation connection with a third external thread 20 on the outer surface of the threaded rod 6 through the first internal thread 9, the bolt bar 2 is fixed on the other regular hexagon end surface of the bolt head 1, the surface of the bolt bar 2 is provided with a first external thread 10, a second through hole 11 is formed on the position of the bolt bar 2 near the top, the inner walls on both sides of the second through hole 11 are provided with chutes 12, the second through hole 11 is in sliding connection with fixing blocks 13 on the outer walls on both sides of a slider 14 through chutes, the bolt rod 2 is in threaded connection with a basic nut 4, a second internal thread 15 matched with the first external thread 10 is arranged on the inner wall of one end of the basic nut 4, an annular groove 16 is formed in the top of the basic nut 4, a third internal thread 17 is arranged on the inner wall of the annular groove 16, the basic nut 4 is connected with a locking nut 5 through the third internal thread 17, a fourth internal thread 18 matched with the first external thread 10 is formed in one end of a screw rod of the locking nut 5, and a second external thread 19 matched with the third internal thread 17 is arranged on the outer surface of the screw rod of the locking nut 5.
The bolt rod 2 is further in threaded connection with an annular gasket 3, and the annular gasket 3 is made of rubber.
The heads of the bolt head 1 and the locking nut 5 are both regular hexagons.
The second internal thread 15 and the fourth internal thread 18 are equal in diameter, the fourth internal thread 18 penetrates through the screw rod of the lock nut 5, and the length of the bolt rod 2 is greater than the total length of the basic nut 4 and the lock nut 5.
And a first through hole 8 of the regular hexagonal annular groove 7 is communicated with second through holes 11 formed in two sides of the bolt rod 2.
When the tool is in work, firstly, the head of the bolt 1 is screwed into a through hole on a part by hand, the head of the bolt 1 is attached to the part, then the basic nut 4 is screwed into the bolt 1 through the second internal thread 15 until the annular gasket 3 is attached to the part, the lock nut 5 is in threaded connection with the first external thread 10 through the fourth internal thread 18, the lock nut 5 is in threaded connection with the third internal thread 17 through the second external thread 19 to lock the part in a secondary mode, at the moment, the basic nut 3 and the lock nut 4 can be simultaneously screwed by a spanner, at the moment, the threaded rod 6 is in threaded connection with the first internal thread 9 through the third external thread 20 by a tool, when the threaded rod 6 abuts against the sliding block 14, the sliding block 14 slides towards two sides through the second through hole 11 and the sliding groove 12, when the sliding block 12 abuts against the fixed block 13, the sliding block is fixed, when the bolt 1 is damaged, the special dismounting, certain potential safety hazard has been eliminated, set up rubber material's ring packing ring, when fastening the part, can be better protect the part, avoid it to receive the damage, the utility model discloses a basic nut that sets up carries out one-level lock to the part, carry out second grade lock to the part through the lock nut who sets up, can fasten the nut through the slider design, two kinds of locking methods combine together, make the locking effect of bolt and nut fastener better, the nut is difficult for coming off from the bolt, do not influence mechanical normal work, certain potential safety hazard has been eliminated, ring packing ring through setting up rubber material, when fastening the part, can be better protect the part, avoid it to receive the damage, through regular hexagon's annular groove design, the problem of the difficult dismantlement of part change has been solved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (4)
1. A check bolt and nut assembly is characterized by comprising a bolt head (1), a bolt rod (2), an annular washer (3), a basic nut (4), a locking nut (5) and a threaded rod (6), wherein a regular hexagonal annular groove (7) is formed in one regular hexagonal end face of the bolt head (1), a first through hole (8) is formed in the regular hexagonal annular groove (7), a first internal thread (9) is formed in the first through hole (8), the bolt head (1) is in threaded fit and rotary connection with a third external thread (20) on the outer surface of the threaded rod (6) through the first internal thread (9), the bolt rod (2) is fixed on the other regular hexagonal end face of the bolt head (1), a first external thread (10) is formed on the surface of the bolt rod (2), a second through hole (11) is formed in the position, close to the top, of the bolt rod (2), the inner walls of two sides of the second through hole (11) are respectively provided with a sliding chute (12), the second through hole (11) is connected with a fixed block (13) of the outer wall of two sides of the sliding block (14) in a sliding way through the sliding chutes (12), the bolt rod (2) is in threaded connection with a basic nut (4), a second internal thread (15) matched with the first external thread (10) is arranged on the inner wall of one end of the basic nut (4), the top of the basic nut (4) is provided with an annular groove (16), the inner wall of the annular groove (16) is provided with a third internal thread (17), the basic nut (4) is connected with the locking nut (5) through a third internal thread (17), a fourth internal thread (18) matched with the first external thread (10) is arranged at one end of the screw rod of the locking nut (5), and a second external thread (19) matched with the third internal thread (17) is arranged on the outer surface of the screw rod of the locking nut (5).
2. A lockbolt nut assembly as defined in claim 1, wherein: the bolt rod (2) is further in threaded connection with an annular gasket (3), and the annular gasket (3) is made of rubber materials.
3. A lockbolt nut assembly as defined in claim 1, wherein: the second internal thread (15) and a fourth internal thread (18) are equal in diameter, the fourth internal thread (18) penetrates through a screw rod of the locking nut (5), and the length of the bolt rod (2) is larger than the total length of the basic nut (4) and the locking nut (5).
4. A lockbolt nut assembly as defined in claim 1, wherein: and a first through hole (8) of the regular hexagonal annular groove (7) is communicated with second through holes (11) formed in two sides of the bolt rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778409.0U CN210919761U (en) | 2019-10-22 | 2019-10-22 | Check bolt nut component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778409.0U CN210919761U (en) | 2019-10-22 | 2019-10-22 | Check bolt nut component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919761U true CN210919761U (en) | 2020-07-03 |
Family
ID=71364461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921778409.0U Expired - Fee Related CN210919761U (en) | 2019-10-22 | 2019-10-22 | Check bolt nut component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835119A (en) * | 2020-07-13 | 2020-10-27 | 山东齐鲁电机制造有限公司 | Inner end cover and outer end cover fixing structure for steam turbine generator and mounting method thereof |
| CN111894145A (en) * | 2020-09-04 | 2020-11-06 | 山东建筑大学 | Double-section high-strength bolt anti-loosening connecting node for space grid structure and construction and installation method thereof |
| CN113898647A (en) * | 2021-09-29 | 2022-01-07 | 邹城兖矿泰德工贸有限公司 | Strong connecting rod |
-
2019
- 2019-10-22 CN CN201921778409.0U patent/CN210919761U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835119A (en) * | 2020-07-13 | 2020-10-27 | 山东齐鲁电机制造有限公司 | Inner end cover and outer end cover fixing structure for steam turbine generator and mounting method thereof |
| CN111835119B (en) * | 2020-07-13 | 2023-03-31 | 山东齐鲁电机制造有限公司 | Method for installing fixing structure of inner end cover and outer end cover for steam turbine generator |
| CN111894145A (en) * | 2020-09-04 | 2020-11-06 | 山东建筑大学 | Double-section high-strength bolt anti-loosening connecting node for space grid structure and construction and installation method thereof |
| CN113898647A (en) * | 2021-09-29 | 2022-01-07 | 邹城兖矿泰德工贸有限公司 | Strong connecting rod |
| CN113898647B (en) * | 2021-09-29 | 2023-09-26 | 山东兖能泰德重工有限公司 | Strong connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |