CN220320071U - Safety self-locking fastening device - Google Patents
Safety self-locking fastening device Download PDFInfo
- Publication number
- CN220320071U CN220320071U CN202322049873.9U CN202322049873U CN220320071U CN 220320071 U CN220320071 U CN 220320071U CN 202322049873 U CN202322049873 U CN 202322049873U CN 220320071 U CN220320071 U CN 220320071U
- Authority
- CN
- China
- Prior art keywords
- locking
- bottom plate
- self
- sleeve
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000926 separation method Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a safe self-locking type fastening device in the technical field related to fastening devices, which comprises a connecting stud and an upper connecting rod, wherein an upper clamping sleeve is integrally arranged at the upper end of the connecting stud, a first matching groove is formed in the upper clamping sleeve, a limiting bottom plate is arranged at the lower end of the upper connecting rod, a second matching groove is formed in the upper position of the limiting bottom plate, and the first matching groove is consistent with the second matching groove in size specification. According to the utility model, through the connection of the locking sleeve and the connecting screw column, the fixed connection between the upper clamping sleeve and the upper connecting rod can be realized, the matched ratchet II arranged on the upper plane of the supporting base is matched with the matched ratchet I arranged on the bottom surface of the locking bottom plate, the self-locking of the connection between the locking sleeve and the connecting screw column can be realized, the self-locking bayonet arranged in the inner cavity of the upper clamping sleeve is matched with the limiting bottom plate at the lower end of the upper connecting rod, the secondary self-locking can be realized, and the stability of the connection is further ensured.
Description
Technical Field
The utility model belongs to the technical field of fastening devices, and particularly relates to a safe self-locking fastening device.
Background
The fastening device is a device for connecting and fixing two or more parts together, a bolt and nut of a common fastening device, a locking snap ring and the like, the bolt fastening device with an anti-loosening self-locking structure is provided in a patent CN201721003549.1, the provided positive locking nut is in threaded connection with the screw through a threaded surface and then is in friction locking with the anti-locking nut through a frosting surface, in addition, fixed glue can be injected through a dispensing hole, the tightness of the bolt is effectively improved, and the loosening of the bolt is avoided. Although the double-nut structure is utilized to have good self-locking effect, the bolt thread locking application range is limited, and the use requirement of the rod piece connection cannot be met.
The present utility model has been made in view of this.
Disclosure of Invention
The utility model aims to solve the technical problems and overcome the defects of the prior art, and provides a safe self-locking type fastening device, which adopts the following basic conception:
the utility model provides a safe auto-lock formula fastener, includes connecting stud and last connecting rod, the upper end integral type of connecting stud is provided with the joint cover, go up and offered the cooperation groove first on the joint cover, the lower extreme of going up the connecting rod is provided with spacing bottom plate, the cooperation groove second has been offered to the top position of spacing bottom plate, the cooperation groove first with the dimension specification of cooperation groove second is unanimous, the cooperation groove first with connect the plug in the cooperation groove second, the connecting stud with be provided with the auto-lock bayonet in the inboard cavity of transition position of last joint cover, through the auto-lock bayonet with go up the connecting rod lower extreme spacing bottom plate cooperation carries out the auto-lock spacing.
As a further scheme of the utility model: the lower extreme integral type of connecting stud is provided with the support base, be provided with the cooperation ratchet two on the upper plane of support base, the supporting lock sleeve that is provided with on the connecting stud, be provided with the internal thread in the lock sleeve, the lock sleeve with the connecting stud passes through threaded connection, utilizes the lock sleeve will go up the connecting rod with the connecting stud is connected fixedly.
As still further aspects of the utility model: the lower extreme integral type of lock sleeve is provided with the locking bottom plate, be provided with the cooperation ratchet on the bottom surface of locking bottom plate, the cooperation ratchet with the cooperation ratchet is two cooperates, can realize the lock sleeve with fasten the auto-lock between the connecting stud.
As still further aspects of the utility model: the upper end of the upper clamping sleeve is provided with separation grooves, two separation grooves are symmetrically arranged, the lower ends of the separation grooves are communicated with the first matching groove, and the separation grooves are arranged so as to facilitate the upper connecting rod to be inserted into the cavity of the upper clamping sleeve.
As still further aspects of the utility model: the limiting bottom plate is of an inverted cone table structure, is convenient to insert and install, and can be matched with the self-locking bayonet to realize self-locking.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
According to the utility model, through the connection of the locking sleeve and the connecting stud, the fixed connection between the upper clamping sleeve and the upper connecting rod can be realized, and the self-locking of the connection between the locking sleeve and the connecting stud can be realized by the cooperation of the second matched ratchet arranged on the upper plane of the supporting base and the first matched ratchet arranged on the bottom surface of the locking bottom plate.
The inner cavity of the upper clamping sleeve is provided with the self-locking bayonet which is matched with the limiting bottom plate at the lower end of the upper connecting rod, so that secondary self-locking can be realized, and the stability of connection is further ensured.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a locking collar of the present utility model;
FIG. 3 is a schematic diagram showing the connection of the upper connecting rod and the upper clamping sleeve of the present utility model;
FIG. 4 is an enlarged view of a portion of the utility model at A;
in the figure: 1. a support base; 2. a connecting stud; 3. an upper clamping sleeve; 4. a dividing groove; 5. a first matching groove; 6. a second matching groove; 7. an upper connecting rod; 8. a limiting bottom plate; 9. a locking sleeve; 10. locking the bottom plate; 11. the first ratchet is matched; 12. a connecting plug; 13. self-locking bayonet; 14. and the second ratchet is matched.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
As shown in fig. 1 to 4, a safe self-locking fastening device comprises a connecting stud 2 and an upper connecting rod 7, wherein an upper clamping sleeve 3 is integrally arranged at the upper end of the connecting stud 2, a first matching groove 5 is formed in the upper clamping sleeve 3, a limiting bottom plate 8 is arranged at the lower end of the upper connecting rod 7, a second matching groove 6 is formed in the upper position of the limiting bottom plate 8, the first matching groove 5 and the second matching groove 6 are consistent in size specification, a connecting plug 12 is installed in the first matching groove 5 and the second matching groove 6 in an inserting mode, a self-locking clamping pin 13 is arranged in a cavity at the inner side of the transition position of the connecting stud 2 and the upper clamping sleeve 3, and the self-locking clamping pin 13 is matched with the limiting bottom plate 8 at the lower end of the upper connecting rod 7 to perform self-locking limiting.
The lower end of the connecting stud 2 is integrally provided with a supporting base 1, the upper plane of the supporting base 1 is provided with a matched ratchet II 14, the connecting stud 2 is provided with a locking sleeve 9 in a matched mode, internal threads are arranged in the locking sleeve 9, the locking sleeve 9 is in threaded connection with the connecting stud 2, and the upper connecting rod 7 is connected and fixed with the connecting stud 2 through the locking sleeve 9.
The lower extreme of lock sleeve 9 is provided with locking bottom plate 10 in an organic whole, is provided with cooperation ratchet one 11 on the bottom surface of locking bottom plate 10, and cooperation ratchet one 11 cooperates with cooperation ratchet two 14, can realize the fastening auto-lock between lock sleeve 9 and the connecting stud 2.
The upper end of last joint cover 3 has seted up the separating groove, separating groove symmetry is provided with two, and the lower extreme of dividing groove 4 is linked together with cooperation groove one 5, and the setting of dividing groove 4 is convenient for insert last connecting rod 7 in the cavity of last joint cover 3.
The limiting bottom plate 8 is of a reverse taper table structure, is convenient to insert and install, and can be matched with the self-locking bayonet 13 to realize self-locking.
The working principle of the utility model is as follows: the lower extreme grafting of going up connecting rod 7 is installed in last joint cover 3, the separating groove has been seted up on the last joint cover 3, in-process of pegging graft, can strut the upper end of going up joint cover 3, the insertionment of connecting rod 7 is convenient for, the spacing bottom plate 8 of going up connecting rod 7 lower extreme is the back taper bench structure, further reduce the degree of difficulty of pegging graft, downward grafting makes spacing bottom plate 8 pass auto-lock bayonet 13, cooperation groove one 5 coincides with cooperation groove two 6, insert connecting plug 12 in cooperation groove one 5 and cooperation groove two 6, fix a position, later establish locking sleeve 9 downwards, carry out threaded fixed connection with connecting stud 2, when screwing in to the bottom, cooperation ratchet one 11 cooperates with cooperation ratchet two 14, can guarantee the fixed connection of going up joint cover 3 and last connecting rod 7, this novel structural design is reasonable, installation convenient to use, through the connection of locking sleeve 9 and connecting stud 2, can realize the fixed connection between last joint cover 3 and the last connecting rod 7, support base 1 upper plane on the bottom plate two sets up the cooperation ratchet bottom plate 14 and locking sleeve 10, can realize the self-lock sleeve with the setting up end of the self-lock stud 2, and the self-lock can realize the self-lock between the self-lock sleeve is connected with the bottom plate 3, and the self-lock sleeve is realized, and the self-lock sleeve is connected with the bottom plate 3 is connected to the self-lock sleeve.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.
Claims (5)
1. The utility model provides a safe auto-lock formula fastener, includes connecting stud (2) and last connecting rod (7), its characterized in that, connecting stud (2) upper end integral type is provided with joint cover (3), go up joint cover (3) and seted up cooperation groove one (5), the lower extreme of going up connecting rod (7) is provided with spacing bottom plate (8), cooperation groove two (6) have been seted up in the top position of spacing bottom plate (8), cooperation groove one (5) with the size specification of cooperation groove two (6) is unanimous, cooperation groove one (5) with install connecting plug (12) in cooperation groove two (6), connecting stud (2) with be provided with auto-lock bayonet (13) in the inboard cavity of transition position of last joint cover (3).
2. The safe self-locking fastening device according to claim 1, wherein a supporting base (1) is integrally arranged at the lower end of the connecting stud (2), a matched ratchet II (14) is arranged on the upper plane of the supporting base (1), a locking sleeve (9) is arranged on the connecting stud (2) in a matched mode, internal threads are arranged in the locking sleeve (9), and the locking sleeve (9) is in threaded connection with the connecting stud (2).
3. A safety self-locking fastening device according to claim 2, characterized in that the lower end of the locking sleeve (9) is integrally provided with a locking bottom plate (10), and the bottom surface of the locking bottom plate (10) is provided with a matching ratchet (11).
4. A safety self-locking fastening device according to claim 3, wherein the upper end of the upper clamping sleeve (3) is provided with two separation grooves, the two separation grooves are symmetrically arranged, and the lower end of the separation groove (4) is communicated with the first matching groove (5).
5. A safety self-locking fastening apparatus as claimed in claim 4, wherein the limit base plate (8) is of inverted cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322049873.9U CN220320071U (en) | 2023-08-01 | 2023-08-01 | Safety self-locking fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322049873.9U CN220320071U (en) | 2023-08-01 | 2023-08-01 | Safety self-locking fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320071U true CN220320071U (en) | 2024-01-09 |
Family
ID=89423632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322049873.9U Active CN220320071U (en) | 2023-08-01 | 2023-08-01 | Safety self-locking fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320071U (en) |
-
2023
- 2023-08-01 CN CN202322049873.9U patent/CN220320071U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220320071U (en) | Safety self-locking fastening device | |
| CN203879896U (en) | Simple quickly assembled nut | |
| CN106089910A (en) | The anti-loosening bolt of double locking | |
| CN2432378Y (en) | Loosing-proof maintenance-free fixed bolt | |
| CN106523507B (en) | A kind of anti-loosening device of bolt | |
| CN215409712U (en) | Novel anti-falling bolt | |
| CN216407444U (en) | Single nut locking structure | |
| CN209977031U (en) | Non-standard bolt | |
| CN208870892U (en) | A kind of section furniture plate connector | |
| CN206874174U (en) | The door and window corner brace that automatically resets is hooked outside a kind of | |
| CN220937336U (en) | Furniture adjusting foot structure with locking function | |
| CN212479818U (en) | Aluminum alloy lock joint | |
| CN112398256A (en) | Motor end cover support easy to assemble | |
| CN214890788U (en) | A quick installing support for lamp decoration | |
| CN213511597U (en) | Novel stud assembly | |
| CN220344099U (en) | Unable adjustment base with limit structure | |
| CN217081046U (en) | Double-end stud structure | |
| CN219139596U (en) | Semi-hollow long inner hexagon bolt | |
| CN219587925U (en) | Connecting piece and installation suit comprising same | |
| CN220980072U (en) | Lock bolt external member | |
| CN207814186U (en) | A kind of fastening nut | |
| CN219905372U (en) | Fan variable pitch bearing oil collecting bottle with bottle cap self-locking structure | |
| CN216343324U (en) | Self-locking screw fastener | |
| CN221257370U (en) | Screw with anti-loosening function | |
| CN214465344U (en) | Novel bolt connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |