CN213145058U - Anti-loosening screw fastener - Google Patents
Anti-loosening screw fastener Download PDFInfo
- Publication number
- CN213145058U CN213145058U CN202021554015.XU CN202021554015U CN213145058U CN 213145058 U CN213145058 U CN 213145058U CN 202021554015 U CN202021554015 U CN 202021554015U CN 213145058 U CN213145058 U CN 213145058U
- Authority
- CN
- China
- Prior art keywords
- cavity
- rod
- bolt head
- side wall
- locking
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a belong to fastener technical field, specifically be an anti-loosening screw fastener, including the bolt head, the fixed screw rod that is provided with of lower extreme of bolt head, the cavity has been seted up to the inside of screw rod, the inside of screw rod vertically is provided with the dead lever, the fixed plate that is provided with of lower extreme of dead lever, the upper end of dead lever runs through the lateral wall of the last lateral wall of cavity and bolt head and extends to the outside and fixedly be provided with first connecting block, the fixed plate with the lateral wall contact of cavity is connected, the lower lateral wall of fixed plate rotates through first pivot and is provided with the connecting rod of symmetry, two the lower extreme of connecting rod all rotates through the second pivot and is provided with the kelly, effectively consolidates the screw fastener, prevents to use the back for a long time.
Description
Technical Field
The utility model relates to a fastener technical field specifically is an anti-loosening screw fastener.
Background
The screw is the connecting piece commonly used, mainly is used for fastening two or more than two objects, when the time is longer or have frequent vibrations the condition under, can make the screw produce not hard up, and lead to the object pine of fastening to take off, light then lead to various losses, heavy then threatens safety, in order to avoid the pine to take off the hidden danger, need a large amount of manpower, material resources to carry out periodic inspection, this has just increased use cost greatly, consequently relates to a locking screw fastener that moves.
The in-process of screw fastener in the past using, the fastening effect is relatively poor, and after long-time use, screw fastener can produce not hard up, causes the safe in utilization problem easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking screw fastener that moves to current screw fastener who proposes in solving above-mentioned background art uses the back for a long time, and fastening effect is relatively poor, causes unexpected problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: a locking screw fastener comprises a bolt head, wherein a screw rod is fixedly arranged at the lower end of the bolt head, a cavity is formed in the screw rod, a fixing rod is longitudinally arranged in the screw rod, a fixing plate is fixedly arranged at the lower end of the fixing rod, the upper end of the fixing rod penetrates through the upper side wall of the cavity and the side wall of the bolt head to extend to the outside and is fixedly provided with a first connecting block, the fixing plate is in contact connection with the side wall of the cavity, symmetrical connecting rods are rotatably arranged on the lower side wall of the fixing plate through a first shaft pin, clamping rods are rotatably arranged at the lower ends of the two connecting rods through a second shaft pin, symmetrical first through holes are formed in the two ends of the cavity, the deviated ends of the two clamping rods are slidably connected with the two through holes, symmetrical second through holes are formed in the upper ends of the two first through holes, and reinforcing rods are slidably arranged in the two second through, two the adjacent one end of anchor strut all extends to the inside of cavity and fixed contact piece, two the pole wall of anchor strut is all fixed the cover and has been cup jointed first spring, two the adjacent one end of first spring all with the lateral wall fixed connection of contact piece, two the one end that first spring deviates from all with the lateral wall fixed connection of cavity, the pole wall of dead lever is fixed and is provided with the wedge, the lower extreme and two of wedge the lateral wall contact connection of contact piece, the both ends of bolt head are seted up flutedly, two the inside of recess is all fixed and is provided with locking mechanism.
Preferably, locking mechanism includes locking pole, two the inside of locking pole all vertically set up the recess, two the upper end of locking pole is all fixed and is provided with the second connecting block, two the pole wall of locking pole is all fixed the second spring that has cup jointed, two the upper end of second spring all with the lower lateral wall fixed connection of second connecting block, two the lower extreme of second spring all with the lateral wall fixed connection of recess.
Preferably, both ends of the wedge-shaped block are slidably connected with the side wall of the cavity.
Preferably, the screw is made of stainless steel.
Preferably, the bolt head is in a regular hexagonal shape.
Compared with the prior art, the beneficial effects of the utility model are that:
1) through the common cooperation of fixed plate, connecting rod, kelly, anchor strut, first spring and contact piece, consolidate the screw rod, effectively prevent that the screw rod from appearing not hard up after using for a long time.
2) Through the common cooperation of locking pole, second connecting block and second spring, consolidate the bolt head, prevent that the not hard up condition from appearing in the bolt head.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the bolt comprises a bolt head 1, a screw rod 2, a fixing rod 3, a fixing plate 4, a first connecting block 5, a clamping rod 6, a reinforcing rod 7, a first spring 8, a wedge-shaped block 9, a locking rod 10, a second connecting block 11, a second spring 12, a connecting rod 13 and a contact block 14.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a locking screw fastener comprises a bolt head 1, a screw rod 2 is fixedly arranged at the lower end of the bolt head 1, a cavity is formed in the screw rod 2, a fixing rod 3 is longitudinally arranged in the screw rod 2, a fixing plate 4 is fixedly arranged at the lower end of the fixing rod 3, the upper end of the fixing rod 3 penetrates through the upper side wall of the cavity and the side wall of the bolt head 1 to extend to the outside and is fixedly provided with a first connecting block 5, the fixing plate 4 is in contact connection with the side wall of the cavity, symmetrical connecting rods 13 are rotatably arranged on the lower side wall of the fixing plate 4 through a first shaft pin, clamping rods 6 are rotatably arranged at the lower ends of the two connecting rods 13 through a second shaft pin, symmetrical first through holes are formed in two ends of the cavity, the deviated ends of the two clamping rods 6 are slidably connected between the two through holes, symmetrical second through holes are formed in the upper ends of the two first through holes, the adjacent ends of the two reinforcing rods 7 extend into the cavity and are fixedly provided with contact blocks 14, first springs 8 are fixedly sleeved on the rod walls of the two reinforcing rods 7, the adjacent ends of the two first springs 8 are fixedly connected with the side walls of the contact blocks 14, the ends, deviating from the two first springs 8, of the two first springs are fixedly connected with the side walls of the cavity, wedge blocks 9 are fixedly arranged on the rod walls of the fixing rods 3, the lower ends of the wedge blocks 9 are in contact connection with the side walls of the two contact blocks 14, grooves are formed in the two ends of the bolt head 1, and anti-loosening mechanisms are fixedly arranged in the two grooves;
the anti-loosening mechanism comprises anti-loosening rods 10, the two anti-loosening rods 10 are longitudinally arranged in the grooves, the upper ends of the two anti-loosening rods 10 are fixedly provided with second connecting blocks 11, the rod walls of the two anti-loosening rods 10 are fixedly sleeved with second springs 12, the upper ends of the two second springs 12 are fixedly connected with the lower side walls of the second connecting blocks 11, the lower ends of the two second springs 12 are fixedly connected with the side walls of the grooves, the fastening piece is effectively reinforced, the fastening piece is prevented from loosening after long-time use, and the fastening effect is poor;
two ends of the wedge-shaped block 9 are connected with the side wall of the cavity in a sliding way;
the screw rod 2 is made of stainless steel;
the bolt head 1 is in a regular hexagonal shape.
The working principle is as follows: during the use, rotate bolt head 1 with the spanner, bolt head 1 drives lower extreme fixed connection's screw rod 2 and rotates, after the fastener is fixed, strike first connecting block 5, lateral wall fixed connection's dead lever 3 under first connecting block 5 drives, dead lever 3 drives lateral wall fixed connection's wedge 9 downstream, wedge 9 extrudees the contact patch 14 of both ends contact connection, two contact patches 14 drive lateral wall fixed connection's stiffener 7 motion, make two stiffener 7 remove the outside of screw rod 2, dead lever 3 drives lower extreme fixed connection's fixed plate 4 and removes, fixed plate 4 promotes the connecting rod 13 that the lateral wall rotates the connection and removes, connecting rod 13 drives the motion of lateral wall rotation connection's kelly 6 down, make kelly 6 remove the outside of screw rod 2, consolidate screw rod 2.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
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 (5)
1. The anti-loosening screw fastener comprises a bolt head (1) and is characterized in that a screw rod (2) is fixedly arranged at the lower end of the bolt head (1), a cavity is formed in the screw rod (2), a fixing rod (3) is longitudinally arranged in the screw rod (2), a fixing plate (4) is fixedly arranged at the lower end of the fixing rod (3), the upper end of the fixing rod (3) penetrates through the upper side wall of the cavity and the side wall of the bolt head (1) to extend to the outside and is fixedly provided with a first connecting block (5), the fixing plate (4) is in contact connection with the side wall of the cavity, symmetrical connecting rods (13) are rotatably arranged on the lower side wall of the fixing plate (4) through a first shaft pin, clamping rods (6) are rotatably arranged at the lower ends of the two connecting rods (13) through a second shaft pin, and symmetrical first through holes are formed in the two ends of, one end of each of the two clamping rods (6) deviating from is in sliding connection with the two through holes, the upper ends of the two first through holes are provided with symmetrical second through holes, reinforcing rods (7) are arranged inside the two second through holes in a sliding manner, one ends of the two reinforcing rods (7) adjacent to each other extend into the cavity and are fixedly provided with contact blocks (14), the rod walls of the two reinforcing rods (7) are fixedly sleeved with first springs (8), one ends of the two first springs (8) adjacent to each other are fixedly connected with the side walls of the contact blocks (14), one ends of the two first springs (8) deviating from are fixedly connected with the side walls of the cavity, the rod wall of the fixing rod (3) is fixedly provided with wedge blocks (9), the lower ends of the wedge blocks (9) are in contact connection with the side walls of the two contact blocks (14), and two ends of the bolt head (1) are provided with grooves, and two anti-loosening mechanisms are fixedly arranged in the grooves.
2. A locking screw fastener as defined in claim 1, wherein: locking mechanism includes locking pole (10), two locking pole (10) all vertically is provided with the inside of recess, two the upper end of locking pole (10) is all fixed and is provided with second connecting block (11), two the pole wall of locking pole (10) is all fixed the cup jointed second spring (12), two the upper end of second spring (12) all with the lower side wall fixed connection of second connecting block (11), two the lower extreme of second spring (12) all with the lateral wall fixed connection of recess.
3. A locking screw fastener as defined in claim 1, wherein: and two ends of the wedge-shaped block (9) are in sliding connection with the side wall of the cavity.
4. A locking screw fastener as defined in claim 1, wherein: the screw rod (2) is made of stainless steel.
5. A locking screw fastener as defined in claim 1, wherein: the bolt head (1) is in a regular hexagonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554015.XU CN213145058U (en) | 2020-07-31 | 2020-07-31 | Anti-loosening screw fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554015.XU CN213145058U (en) | 2020-07-31 | 2020-07-31 | Anti-loosening screw fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145058U true CN213145058U (en) | 2021-05-07 |
Family
ID=75735110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021554015.XU Active CN213145058U (en) | 2020-07-31 | 2020-07-31 | Anti-loosening screw fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145058U (en) |
-
2020
- 2020-07-31 CN CN202021554015.XU patent/CN213145058U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213145058U (en) | Anti-loosening screw fastener | |
| CN214993948U (en) | Adjustable rock matter side slope stock reinforcing apparatus | |
| CN213039627U (en) | Screw fastener with replaceable head | |
| CN209908229U (en) | Door lock rod piece for strong fixed anti-theft box | |
| CN213329068U (en) | Soil and water conservation side slope nursing structure | |
| CN213326275U (en) | Elevator counterweight frame structure | |
| CN213330441U (en) | Intelligent lock with high stability | |
| CN206547256U (en) | A kind of Multifuncional-spade of agricultural | |
| CN212120350U (en) | Dust collector is used in boron carbide production | |
| CN212562756U (en) | Rail for municipal works | |
| CN217150440U (en) | Strong connection structure for bucket tooth of stability | |
| CN217205894U (en) | Multi-bolt anti-theft door lock | |
| CN211379075U (en) | Fruit tree is planted with transplanting device | |
| CN217420795U (en) | Bidirectional locking hand wheel device of grain blocking door | |
| CN214144736U (en) | Building construction template reinforcing and opposite-pulling device | |
| CN202578212U (en) | Pentagon lock body component for refrigerator | |
| CN217481737U (en) | Sealed anti-loose rust-proof retaining nut | |
| CN211474020U (en) | Foundation pile drilling and digging sleeve for constructional engineering | |
| CN217132619U (en) | Soil sampling device based on highway engineering detection | |
| CN217620112U (en) | Tool for positioning truss ribs | |
| CN213145062U (en) | M24 high strength fastening bolt in assembled steel construction building | |
| CN213290615U (en) | Case is smashed to timber for furniture production | |
| CN213114983U (en) | Steel frame fixed knot constructs for building engineering | |
| CN214825740U (en) | Nylon cable tie convenient to unbind | |
| CN207510619U (en) | A kind of novel locked Quick Release bucket axostylus axostyle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231227 Address after: 315502 No. 9 Longjin Road, High tech Development Zone, Fenghua District, Ningbo City, Zhejiang Province (self declared) Patentee after: Ningbo Hebo Fasteners Co.,Ltd. Address before: 215437 donghanshang precision hardware (Taicang) Co., Ltd., village committee of Yuewang Yuexing village, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: Osaka precision hardware (Taicang) Co.,Ltd. |
|
| TR01 | Transfer of patent right |