CN113483007A - Automatic locking screw - Google Patents
Automatic locking screw Download PDFInfo
- Publication number
- CN113483007A CN113483007A CN202110919511.3A CN202110919511A CN113483007A CN 113483007 A CN113483007 A CN 113483007A CN 202110919511 A CN202110919511 A CN 202110919511A CN 113483007 A CN113483007 A CN 113483007A
- Authority
- CN
- China
- Prior art keywords
- locking
- cap
- groove
- slot
- screw
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an automatic locking screw, and relates to the technical field of fasteners; the locking cap is arranged in a circular truncated cone-shaped structure, the locking cap is arranged in a locking groove formed in the nut, and the outer ring wall of the locking cap is arranged in contact with the groove wall of the locking groove; the locking stud is fixed at the bottom of the locking cap and is rotatably inserted into a locking slot formed in the upper end of the screw rod, the locking slot is communicated with the locking slot, a locking internal thread is arranged on the inner annular wall of the upper end of the locking slot, a locking external thread is arranged on the outer annular wall of the upper end of the locking stud, and the locking external thread is in screwed connection with the locking internal thread; the locking frustum is fixed at the bottom of the locking stud and arranged in the locking slot, the upper part of the locking frustum is in an inverted cone structure, and the lower part of the locking frustum is in a cylindrical structure; the screw can be in close contact with the connecting part, so that the screw is more stable in the using process, the phenomenon of looseness of the screw is avoided, and the using quality is improved.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to an automatic locking screw.
Background
The screw is a tool for fastening the machine parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, and consists of a nut and a screw rod with a tip which are connected with each other, wherein the screw rod part is provided with external threads, the threads of the screw rod can automatically tap into a threaded bottom hole on a workpiece under the action of pressure in the rotating process of the screw rod, and the self-locking of the screw rod in the axial direction is realized by utilizing the external threads on the screw rod part; in the daily use process of the traditional screw, two connecting objects can be tightly connected together, but when the screw is used on tight fittings of aviation, automobiles and the like, the common screw is easy to loose, so that potential safety hazards are brought to the use of mechanical connecting pieces.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides an automatic locking screw which is simple in structure, reasonable in design and convenient to use, can enable the screw to be in close contact with a connecting part, enables the screw to be more stable in the using process, avoids the phenomenon of loosening of the screw and improves the using quality.
In order to achieve the purpose, the invention adopts the technical scheme that: the screw rod is fixed at the bottom of the nut and is provided with an external thread;
it also includes:
the locking cap is arranged in a circular truncated cone-shaped structure, the locking cap is arranged in a locking groove formed in the nut, and the outer ring wall of the locking cap is in contact with the groove wall of the locking groove;
the locking stud is fixed at the bottom of the locking cap and is rotatably inserted into a locking slot formed in the upper end of the screw rod, the locking slot is communicated with the locking slot, the slot diameter of the locking slot is smaller than that of the locking slot, a locking internal thread is arranged on the inner annular wall at the upper end of the locking slot, a locking external thread is arranged on the outer annular wall at the upper end of the locking stud, and the locking external thread and the locking internal thread are in screwed connection;
the locking frustum is fixed at the bottom of the locking stud and arranged in the locking slot, the upper part of the locking frustum is arranged in a reverse conical structure, and the lower part of the locking frustum is arranged in a cylindrical structure;
the two moving lugs are respectively arranged in the corresponding moving grooves in a sliding manner, the two moving grooves are symmetrically arranged on the lower sides of the left side and the right side of the screw rod, and the moving grooves are communicated with the locking slots;
the two moving bosses are respectively arranged in the corresponding moving grooves, the moving bosses are arranged on the outer sides of the moving lugs, and the moving bosses are fixedly connected with the moving lugs;
the two movable push posts are respectively arranged in the corresponding movable grooves, the movable push posts are arranged on the inner sides of the movable convex blocks, the outer ends of the movable push posts are fixedly connected with the movable convex blocks, and the inner ends of the movable push posts are wedge structures;
the four sliding blocks are respectively fixed on the upper side and the lower side of the moving lug in a pairwise symmetry manner, the sliding blocks are arranged in corresponding sliding grooves in a sliding manner, and the four sliding grooves are respectively arranged on the upper side and the lower side of the moving groove;
the springs are four and are respectively arranged in the corresponding sliding grooves, one end of each spring is fixedly connected with the inner side wall of each sliding groove, and the other end of each spring is fixedly connected with the corresponding sliding block.
Preferably, the bottom of the locking frustum is provided with a slot, an inserting column is fixed on the inner bottom surface of the locking slot, the locking frustum is sleeved on the inserting column through the slot, and the inserting column guides the locking frustum.
Preferably, a clamping groove is formed in the nut, the clamping groove is communicated with the locking groove, an annular guide groove is formed in the nut at the bottom of the clamping groove in a communicated manner, the clamping cover is arranged in the clamping groove, an annular guide ring is fixed at the bottom of the clamping cover, and the annular guide ring is rotatably inserted in the annular guide groove; the locking cap is arranged in the nut through the clamping cover, so that the locking cap is prevented from being separated from the nut.
Preferably, the clamping cover is provided with a plurality of upper positioning grooves in equiangular distribution, the upper positioning grooves are arranged on the inner periphery of the annular guide groove, the locking cap is provided with a plurality of lower positioning grooves in equiangular distribution, the positioning columns are sequentially screwed and arranged in the upper positioning grooves and the lower positioning grooves from top to bottom through threads, the clamping cover is arranged on the locking cap through the positioning columns, and the locking cap is in a fixed state in the nut.
Preferably, the clamping cover is fixedly provided with a handle, and the handle is convenient for operating the clamping cover.
The working principle of the invention is as follows: when the device is used, the screw rod is screwed into the connecting part through the external thread, the locking cap is arranged in the locking groove in the nut cap, the locking stud is arranged in the locking groove in the screw rod, the locking stud is screwed with the locking groove through the thread, during the process that the locking stud is screwed and downwards inserted, drive the locking frustum and rotate the downstream, the upper portion awl limit of locking frustum promotes the slide wedge end that removes the post, make and remove the lug and outwards remove in the inside shifting chute of screw rod, make and remove the boss and remove to the outside, conflict with adapting unit and set up until the protruding end that removes the boss, the bottom of locking cap and the upper end contact of screw rod this moment, the upper portion awl limit of locking frustum compresses tightly the slide wedge end that removes the post, make the protruding end that removes the boss and adapting unit's conflict end in steady state, make the soon of screw rod connect more tightly.
After adopting the structure, the invention has the beneficial effects that:
1. the locking stud is tightly arranged in the locking slot through the thread screwing matching of the locking external thread and the locking internal thread;
2. the locking stud is screwed downwards, so that the locking cone presses the movable push column, the movable lug boss moves outwards, the connecting part is pressed, and the screw is tightly contacted with the connecting part in the screwing process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is an enlarged view of the portion C in fig. 3.
Description of reference numerals:
the locking device comprises a nut 1, a locking groove 1-1, a clamping groove 1-2, an annular guide groove 1-3, a screw rod 2, a locking slot 2-1, a locking internal thread 2-2, a moving groove 2-3, a sliding groove 2-4, a locking cap 3, a lower positioning groove 3-1, a locking stud 4, a locking external thread 5, a locking frustum 6, a slot 6-1, a moving lug 7, a moving boss 8, a moving push column 9, a sliding block 10, a spring 11, an inserting column 12, a clamping cover 13, an upper positioning groove 13-1, an annular guide ring 14, a positioning column 15 and a handle 16.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the screw cap comprises a screw cap 1 and a screw rod 2, wherein the screw rod 2 is fixed at the bottom of the screw cap 1, and an external thread is arranged on the screw rod 2;
it also includes:
the locking cap 3 is arranged in a circular truncated cone-shaped structure, the locking cap 3 is arranged in a locking groove 1-1 formed in the nut 1, and the outer ring wall of the locking cap 3 is arranged in contact with the groove wall of the locking groove 1-1;
the locking stud 4 is welded and fixed at the bottom of the locking cap 3, the locking stud 4 is rotatably inserted into a locking slot 2-1 formed in the upper end of the screw rod 2, the locking slot 2-1 is communicated with the locking slot 1-1, the groove diameter of the locking slot 2-1 is smaller than that of the locking slot 1-1, a locking internal thread 2-2 is formed on the inner annular wall of the upper end of the locking slot 2-1, a locking external thread 5 is formed on the outer annular wall of the upper end of the locking stud 4, and the locking external thread 5 is in screwed connection with the locking internal thread 2-2;
the locking cone 6 is welded and fixed at the bottom of the locking stud 4, the locking cone 6 is arranged in the locking slot 2-1, the upper part of the locking cone 6 is in an inverted cone structure, and the lower part of the locking cone 6 is in a cylindrical structure;
the two moving lugs 7 are respectively arranged in the corresponding moving grooves 2-3 in a sliding manner, the two moving grooves 2-3 are symmetrically arranged at the lower sides of the left side and the right side of the screw rod 2, and the moving grooves 2-3 are communicated with the locking slots 2-1;
two movable bosses 8 are arranged in the corresponding movable grooves 2-3 respectively, the movable bosses 8 are arranged on the outer sides of the movable lugs 7, and the movable bosses 8 and the movable lugs 7 are fixed by screws;
two movable push posts 9 are arranged in the corresponding movable grooves 2-3 respectively, the movable push posts 9 are arranged on the inner sides of the movable lugs 7, the outer ends of the movable push posts 9 and the movable lugs 7 are fixed by screws, and the inner ends of the movable push posts 9 are of wedge structures;
the number of the sliding blocks 10 is four, the four sliding blocks 10 are respectively fixed on the upper side and the lower side of the moving lug 7 pairwise symmetrically by screws, the sliding blocks 10 are arranged in the corresponding sliding grooves 2-4 in a sliding mode, and the four sliding grooves 2-4 are respectively arranged on the upper side and the lower side of the moving groove 2-3;
the four springs 11 are respectively arranged in the corresponding sliding grooves 2-4, one end of each spring 11 is fixed with the inner side wall of each sliding groove 2-4 through a screw, and the other end of each spring 11 is fixed with the sliding block 10 through a screw.
Preferably, the bottom of the locking frustum 6 is provided with a slot 6-1, an inserting column 12 is fixed on the inner bottom surface of the locking slot 2-1 by a screw, and the inserting column 12 guides the locking frustum 6.
As a preferred scheme, furthermore, a clamping groove 1-2 is formed in the nut 1, the clamping groove 1-2 is communicated with the locking groove 1-1, an annular guide groove 1-3 is formed in the nut 1 at the bottom of the clamping groove 1-2 in a through manner, a clamping cover 13 is arranged in the clamping groove 1-2, an annular guide ring 14 is fixed at the bottom of the clamping cover 13 by screws, and the annular guide ring 14 is rotatably inserted in the annular guide groove 1-3; the clamping cap 13 tightly seats the locking cap 3 in the nut 1.
Preferably, the chucking cover 13 is provided with a plurality of upper positioning grooves 13-1 at equal angles on the circumference, the upper positioning grooves 13-1 are arranged on the inner periphery of the annular guide groove 1-3, the locking cap 3 is provided with a plurality of lower positioning grooves 3-1 at equal angles on the circumference, the positioning posts 15 are screwed and arranged in the upper positioning grooves 13-1 and the lower positioning grooves 3-1 sequentially through threads from top to bottom, and the chucking cover 13 is arranged on the locking cap 3 through the positioning posts 15.
Preferably, a handle 16 is fixed on the clamping cover 13 by screws, and the handle 16 facilitates the operation of the clamping cover 13.
The working principle of the specific embodiment is as follows: when the device is used, the screw rod 2 is screwed in the connecting part through external threads, the locking cap 3 is arranged in the locking groove 1-1 in the nut 1, the locking stud 4 is arranged in the locking slot 2-1 in the screw rod 2, the locking stud 4 is screwed with the locking slot 2-1 through threads, the locking stud 4 drives the locking frustum 6 to rotate and move downwards in the process of screwing and inserting downwards, the tapered edge at the upper part of the locking frustum 6 pushes the tapered wedge end of the movable push column 9, the movable lug 7 moves outwards in the movable groove 2-3 in the screw rod 2, the movable lug 8 moves outwards until the protruding end of the movable lug 8 is abutted against the connecting part, the bottom of the locking cap 3 at the moment is contacted with the upper end of the screw rod 2, the tapered edge at the upper part of the locking frustum 6 compresses the tapered wedge end of the movable push column 9, the protruding end of the movable lug boss 8 and the abutting end of the connecting part are in a stable state, so that the screw rod 2 is screwed more tightly; the clamping cover 13 is arranged in the clamping groove 1-2, the annular guide ring 14 is arranged in the annular guide groove 1-3, and the positioning column 15 is inserted in the upper positioning groove 13-1 and the lower positioning groove 3-1, so that the clamping cover 13 is tightly connected with the locking cap 3, and the stability of the screw rod 2 is enhanced.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the locking stud 4 is tightly arranged in the locking slot 2-1 through the thread screwing matching of the locking external thread 5 and the locking internal thread 2-2;
2. the locking stud 4 is screwed downwards, so that the locking cone 6 compresses the movable push column 9, the movable boss 8 moves outwards and presses the connecting part, and the screw 2 is tightly contacted with the connecting part in the screwing process;
3. by covering the locking cap 3 with the clamping cover 13, the locking cap 3 is compressed, and the stability of the locking stud 4 is reinforced.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. An automatic locking screw comprises a screw cap (1) and a screw rod (2), wherein the screw rod (2) is fixed at the bottom of the screw cap (1), and an external thread is arranged on the screw rod (2);
it is characterized in that it also comprises:
the locking cap (3) is arranged in a round table-shaped structure, the locking cap (3) is arranged in a locking groove (1-1) formed in the nut (1), and the outer ring wall of the locking cap (3) is in contact with the groove wall of the locking groove (1-1);
the locking stud (4) is fixed at the bottom of the locking cap (3), the locking stud (4) is rotatably inserted into a locking slot (2-1) formed in the upper end of the screw rod (2), the locking slot (2-1) is communicated with the locking slot (1-1), the slot diameter of the locking slot (2-1) is smaller than that of the locking slot (1-1), a locking internal thread (2-2) is arranged on the inner annular wall of the upper end of the locking slot (2-1), a locking external thread (5) is arranged on the outer annular wall of the upper end of the locking stud (4), and the locking external thread (5) and the locking internal thread (2-2) are rotatably connected;
the locking cone platform (6) is fixed at the bottom of the locking stud (4), the locking cone platform (6) is arranged in the locking slot (2-1), the upper part of the locking cone platform (6) is arranged in an inverted cone structure, and the lower part of the locking cone platform (6) is arranged in a cylindrical structure;
the two moving lugs (7) are respectively arranged in the corresponding moving grooves (2-3) in a sliding manner, the two moving grooves (2-3) are symmetrically arranged at the lower sides of the left side and the right side of the screw rod (2), and the moving grooves (2-3) are communicated with the locking slots (2-1);
the two moving bosses (8) are respectively arranged in the corresponding moving grooves (2-3), the moving bosses (8) are arranged on the outer sides of the moving lugs (7), and the moving bosses (8) are fixedly connected with the moving lugs (7);
two movable push posts (9) are arranged in the corresponding movable grooves (2-3), the movable push posts (9) are arranged on the inner sides of the movable bumps (7), the outer ends of the movable push posts (9) are fixedly connected with the movable bumps (7), and the inner ends of the movable push posts (9) are of wedge structures;
the number of the sliding blocks (10) is four, the four sliding blocks (10) are respectively fixed on the upper side and the lower side of the moving lug (7) in a pairwise symmetry manner, the sliding blocks (10) are arranged in the corresponding sliding grooves (2-4) in a sliding manner, and the four sliding grooves (2-4) are respectively arranged on the upper side and the lower side of the moving groove (2-3);
the four springs (11) are respectively arranged in the corresponding sliding grooves (2-4), one end of each spring (11) is fixedly connected with the inner side wall of each sliding groove (2-4), and the other end of each spring (11) is fixedly connected with the corresponding sliding block (10).
2. An auto-locking screw as claimed in claim 1, wherein: the locking device is characterized in that a slot (6-1) is formed in the bottom of the locking frustum (6), an inserting column (12) is fixed on the inner bottom surface of the locking slot (2-1), the locking frustum (6) is sleeved on the inserting column (12) through the slot (6-1), and the inserting column (12) guides the locking frustum (6).
3. An auto-locking screw as claimed in claim 1, wherein: the nut (1) is internally provided with a clamping groove (1-2), the clamping groove (1-2) is communicated with the locking groove (1-1), the nut (1) positioned at the bottom of the clamping groove (1-2) is provided with an annular guide groove (1-3) in a through mode, a clamping cover (13) is arranged in the clamping groove (1-2), the bottom of the clamping cover (13) is fixed with an annular guide ring (14), and the annular guide ring (14) is rotatably inserted in the annular guide groove (1-3); the locking cap (3) is arranged in the nut (1) through the clamping cover (13), so that the locking cap (3) is prevented from being separated from the nut (1).
4. An auto-locking screw as claimed in claim 3, wherein: the locking cap is characterized in that a plurality of upper positioning grooves (13-1) are formed in the upper circumference of the clamping cap (13) in an equiangular distribution mode, the upper positioning grooves (13-1) are arranged on the inner periphery of the annular guide groove (1-3), a plurality of lower positioning grooves (3-1) are formed in the locking cap (3) in an equiangular distribution mode, positioning columns (15) are sequentially screwed and arranged in the upper positioning grooves (13-1) and the lower positioning grooves (3-1) from top to bottom in a threaded mode, the clamping cap (13) is arranged on the locking cap (3) through the positioning columns (15), and the locking cap (3) is located in a fixed state in the nut (1).
5. An auto-locking screw as claimed in claim 3, wherein: a handle (16) is fixed on the clamping cover (13), and the handle (16) is convenient for operating the clamping cover (13).
6. The working principle of an automatic locking screw according to claim 1, characterized in that: when the device is used, a screw rod (2) is screwed in a connecting part through external threads, a locking cap (3) is arranged in a locking groove (1-1) in a screw cap (1), a locking stud (4) is arranged in a locking slot (2-1) in the screw rod (2), the locking stud (4) is screwed with the locking slot (2-1) through threads, the locking stud (4) drives a locking frustum (6) to rotate and move downwards in the process of screwing and downwards inserting, the upper conical edge of the locking frustum (6) pushes the inclined wedge end of a movable push column (9), a movable lug (7) moves outwards in the movable groove (2-3) in the screw rod (2), the movable lug (8) moves outwards until the protruding end of the movable lug (8) is abutted against the connecting part, the bottom of the locking cap (3) at the moment is contacted with the upper end of the screw rod (2), the upper portion awl limit of locking frustum (6) compresses tightly the slide wedge end that removes support pillar (9), makes the protruding end of removing boss (8) and adapting unit's conflict end in firm state, makes the connecing soon of screw rod (2) fasten more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919511.3A CN113483007B (en) | 2021-08-11 | Automatic locking screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919511.3A CN113483007B (en) | 2021-08-11 | Automatic locking screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113483007A true CN113483007A (en) | 2021-10-08 |
| CN113483007B CN113483007B (en) | 2024-07-09 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893491A (en) * | 2022-05-14 | 2022-08-12 | 福安奥展实业有限公司 | Anti-drop and anti-theft nut |
Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2063164A1 (en) * | 1992-03-17 | 1993-09-18 | Leo L. Krywitsky | Threaded and non-threaded fastener improvements |
| US20120315106A1 (en) * | 2010-12-08 | 2012-12-13 | United States Government, As Represented By The Secretary Of The Navy | Fastener for strut channel |
| JP2013177934A (en) * | 2012-02-28 | 2013-09-09 | Sakata Seisakusho:Kk | Bolt fixing method, fixed body, and bolt fixing mold |
| US20140086703A1 (en) * | 2012-09-26 | 2014-03-27 | Friedrich Thommes | Self-Retaining Fastener |
| CN204099381U (en) * | 2014-10-08 | 2015-01-14 | 浙江明泰标准件有限公司 | A kind of adjustable chek bolt |
| CN204344620U (en) * | 2014-12-23 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Theftproof self-locking type tapping screw |
| CN204985269U (en) * | 2015-04-02 | 2016-01-20 | 温州市鑫泰紧固件有限公司 | Anticreep bolt for high -speed railway |
| CN206738347U (en) * | 2017-03-25 | 2017-12-12 | 温州市胜隆标准件制造有限公司 | A kind of anti-theft bolt |
| CN207777378U (en) * | 2017-12-19 | 2018-08-28 | 重庆汉美实业有限公司 | A kind of steady bolt |
| JP2018136018A (en) * | 2017-02-21 | 2018-08-30 | 良三 太田 | Structure for preventing looseness of headed bolt |
| CN108533603A (en) * | 2018-06-26 | 2018-09-14 | 周焱春 | A kind of self-locking screw |
| CN207921099U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of anti-theft bolt |
| CN108799307A (en) * | 2018-07-04 | 2018-11-13 | 尹苑苑 | A kind of detachable expansion bolt |
| CN208702883U (en) * | 2018-07-24 | 2019-04-05 | 浙江天力机车部件有限公司 | A kind of automobile exhaust pipe fastening bolt |
| CN209843918U (en) * | 2019-06-05 | 2019-12-24 | 深圳金泰格机电股份有限公司 | Tuning screw with self-locking device |
| CN110792680A (en) * | 2019-09-24 | 2020-02-14 | 江苏永昊高强度螺栓有限公司 | Bolt assembly |
| CN210318118U (en) * | 2019-08-01 | 2020-04-14 | 天津市可耐扣紧固件有限公司 | Locking leak protection screw sealing member for electric automobile |
| CN210440389U (en) * | 2019-07-23 | 2020-05-01 | 温州广全标准件制造有限公司 | Automobile rust-proof bolt |
| CN211144602U (en) * | 2019-11-29 | 2020-07-31 | 浙江强能胜动力股份有限公司 | Anti-drop's engine oil drain bolt |
| CN111536136A (en) * | 2020-05-05 | 2020-08-14 | 浦江县恒川信息科技有限公司 | Anti-loosening fastening assembly |
| CN212177619U (en) * | 2020-05-13 | 2020-12-18 | 苏州法思特精密五金有限公司 | Novel anti-theft bolt |
| CN212389641U (en) * | 2020-05-07 | 2021-01-22 | 东莞市固拓五金科技有限公司 | Magnetic suction reset type anti-loosening screw |
| CN212509170U (en) * | 2020-06-12 | 2021-02-09 | 杭州恒盛紧固件有限公司 | Screw fastener for theft prevention |
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
| CN213145033U (en) * | 2020-09-15 | 2021-05-07 | 太仓斯普宁精密机械有限公司 | Nail nipping screw |
| CN213419637U (en) * | 2020-10-31 | 2021-06-11 | 厦门磊峰五金弹簧有限公司 | Screw with anti-loosening function |
| CN213511611U (en) * | 2020-11-05 | 2021-06-22 | 浙江强力螺栓股份有限公司 | Novel hexagon bolt |
| CN213628387U (en) * | 2020-09-03 | 2021-07-06 | 常州市碧源车辆配件有限公司 | Fastener structure for automatically wrapping nut by gasket |
| CN213839223U (en) * | 2020-11-23 | 2021-07-30 | 海盐嘉海五金有限公司 | Part connecting anti-loose bolt for engineering machinery |
| CN213839238U (en) * | 2020-10-21 | 2021-07-30 | 上海振高汽车科技有限公司 | Bolt with anti-corrosion function |
| CN215409703U (en) * | 2021-08-11 | 2022-01-04 | 常州宜轩五金有限公司 | Automatic locking screw |
Patent Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2063164A1 (en) * | 1992-03-17 | 1993-09-18 | Leo L. Krywitsky | Threaded and non-threaded fastener improvements |
| US20120315106A1 (en) * | 2010-12-08 | 2012-12-13 | United States Government, As Represented By The Secretary Of The Navy | Fastener for strut channel |
| JP2013177934A (en) * | 2012-02-28 | 2013-09-09 | Sakata Seisakusho:Kk | Bolt fixing method, fixed body, and bolt fixing mold |
| US20140086703A1 (en) * | 2012-09-26 | 2014-03-27 | Friedrich Thommes | Self-Retaining Fastener |
| CN204099381U (en) * | 2014-10-08 | 2015-01-14 | 浙江明泰标准件有限公司 | A kind of adjustable chek bolt |
| CN204344620U (en) * | 2014-12-23 | 2015-05-20 | 温州市胜隆标准件制造有限公司 | Theftproof self-locking type tapping screw |
| CN204985269U (en) * | 2015-04-02 | 2016-01-20 | 温州市鑫泰紧固件有限公司 | Anticreep bolt for high -speed railway |
| JP2018136018A (en) * | 2017-02-21 | 2018-08-30 | 良三 太田 | Structure for preventing looseness of headed bolt |
| CN206738347U (en) * | 2017-03-25 | 2017-12-12 | 温州市胜隆标准件制造有限公司 | A kind of anti-theft bolt |
| CN207777378U (en) * | 2017-12-19 | 2018-08-28 | 重庆汉美实业有限公司 | A kind of steady bolt |
| CN207921099U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of anti-theft bolt |
| CN108533603A (en) * | 2018-06-26 | 2018-09-14 | 周焱春 | A kind of self-locking screw |
| CN108799307A (en) * | 2018-07-04 | 2018-11-13 | 尹苑苑 | A kind of detachable expansion bolt |
| CN208702883U (en) * | 2018-07-24 | 2019-04-05 | 浙江天力机车部件有限公司 | A kind of automobile exhaust pipe fastening bolt |
| CN209843918U (en) * | 2019-06-05 | 2019-12-24 | 深圳金泰格机电股份有限公司 | Tuning screw with self-locking device |
| CN210440389U (en) * | 2019-07-23 | 2020-05-01 | 温州广全标准件制造有限公司 | Automobile rust-proof bolt |
| CN210318118U (en) * | 2019-08-01 | 2020-04-14 | 天津市可耐扣紧固件有限公司 | Locking leak protection screw sealing member for electric automobile |
| CN110792680A (en) * | 2019-09-24 | 2020-02-14 | 江苏永昊高强度螺栓有限公司 | Bolt assembly |
| CN211144602U (en) * | 2019-11-29 | 2020-07-31 | 浙江强能胜动力股份有限公司 | Anti-drop's engine oil drain bolt |
| CN111536136A (en) * | 2020-05-05 | 2020-08-14 | 浦江县恒川信息科技有限公司 | Anti-loosening fastening assembly |
| CN212389641U (en) * | 2020-05-07 | 2021-01-22 | 东莞市固拓五金科技有限公司 | Magnetic suction reset type anti-loosening screw |
| CN212177619U (en) * | 2020-05-13 | 2020-12-18 | 苏州法思特精密五金有限公司 | Novel anti-theft bolt |
| CN212509170U (en) * | 2020-06-12 | 2021-02-09 | 杭州恒盛紧固件有限公司 | Screw fastener for theft prevention |
| CN213628387U (en) * | 2020-09-03 | 2021-07-06 | 常州市碧源车辆配件有限公司 | Fastener structure for automatically wrapping nut by gasket |
| CN213145033U (en) * | 2020-09-15 | 2021-05-07 | 太仓斯普宁精密机械有限公司 | Nail nipping screw |
| CN213839238U (en) * | 2020-10-21 | 2021-07-30 | 上海振高汽车科技有限公司 | Bolt with anti-corrosion function |
| CN213419637U (en) * | 2020-10-31 | 2021-06-11 | 厦门磊峰五金弹簧有限公司 | Screw with anti-loosening function |
| CN213511611U (en) * | 2020-11-05 | 2021-06-22 | 浙江强力螺栓股份有限公司 | Novel hexagon bolt |
| CN213839223U (en) * | 2020-11-23 | 2021-07-30 | 海盐嘉海五金有限公司 | Part connecting anti-loose bolt for engineering machinery |
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
| CN215409703U (en) * | 2021-08-11 | 2022-01-04 | 常州宜轩五金有限公司 | Automatic locking screw |
Non-Patent Citations (1)
| Title |
|---|
| 方波;: "一种带V字形垫片螺钉的拾取与锁紧装置的研制", 机械工程师, no. 10, 10 October 2018 (2018-10-10) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893491A (en) * | 2022-05-14 | 2022-08-12 | 福安奥展实业有限公司 | Anti-drop and anti-theft nut |
| CN114893491B (en) * | 2022-05-14 | 2024-04-19 | 福安奥展实业有限公司 | Anti-drop anti-theft nut |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202479628U (en) | Gear shaping tooling for positioning by utilizing reducing holes of workpiece | |
| CN112958854B (en) | Combined clamp for machining automobile gearbox gear | |
| CN215409703U (en) | Automatic locking screw | |
| CN205765046U (en) | A kind of crankshaft milling key groove clamp | |
| CN113483007A (en) | Automatic locking screw | |
| CN202411906U (en) | Fast clamping mechanism | |
| CN211249225U (en) | Adjustable pressure testing device for aviation part machining | |
| CN209823070U (en) | Terminal crimping device for automobile wire harness | |
| CN103302610A (en) | Quick manual clamp for external-thread workpiece and using method thereof | |
| CN208991898U (en) | Bevel gear fixture | |
| CN208214843U (en) | A kind of portable hook pressure plate | |
| US3379446A (en) | Collet chuck | |
| CN210360211U (en) | Easy-to-withdraw threaded connection device based on slope mechanical effect | |
| CN104802129B (en) | A kind of ammunition pressure ring is cut and is revolved method for dismounting | |
| CN210024536U (en) | Machining center anchor clamps | |
| CN103009117A (en) | Internal clamping fixture | |
| CN108907603B (en) | Nuclear power pipeline branch pipe opening welding die | |
| CN201755871U (en) | Silicon bar cutting machine special fixture capable of turning around | |
| CN111633580A (en) | Satellite travel switch pressing tool capable of being released quickly | |
| CN220783059U (en) | Special numerical control machining clamp for optical communication module shell | |
| CN214274163U (en) | Nut buckle suitable for different threads | |
| CN216464057U (en) | G-shaped clamp capable of clamping rapidly | |
| CN216504728U (en) | Can prevent following equipment anchor clamps of screwing of changeing | |
| CN217412492U (en) | Turning clamp for hot post-turning of synchronizer gear ring conical surface | |
| CN203751731U (en) | Clamp special for stainless steel cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |