CN112431841A - Bolt with locking effect - Google Patents
Bolt with locking effect Download PDFInfo
- Publication number
- CN112431841A CN112431841A CN202011171165.7A CN202011171165A CN112431841A CN 112431841 A CN112431841 A CN 112431841A CN 202011171165 A CN202011171165 A CN 202011171165A CN 112431841 A CN112431841 A CN 112431841A
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- China
- Prior art keywords
- groove
- screw
- nut
- pin
- screw 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 241000587161 Gomphocarpus Species 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a bolt with an anti-loosening effect, and relates to the technical field of fasteners. The screw comprises a screw body and a screw cap, the screw comprises a screw rod part and a screw cap part, the screw is arranged on the screw rod part and is in threaded connection with the screw rod part, one end of the screw rod part, far away from the screw cap part, is provided with a through groove, the through groove is of a strip groove structure, the fastener comprises a lantern ring, and one end of the lantern ring is rotationally connected with one end of the screw through a connecting piece. According to the invention, the through groove is formed in the screw rod part of the screw, the fastener is arranged at one end of the nut, the fastener moves in parallel along the screw rod part through the first positioning block and the second positioning block, meanwhile, the position of the fastener can be limited through interference fit of the pin and the through groove, the expansion of the screw rod part between the lantern ring and the reinforcing sleeve can be caused through force application on the pin, the position of the limited nut and the position of the fastener can be tightly fixed, and the problem that the existing nut is easy to loosen and fall off due to too large and frequent vibration is solved.
Description
Technical Field
The invention belongs to the technical field of fasteners, and particularly relates to a bolt with an anti-loosening effect.
Background
The bolt to great and more frequent position use, the condition that the nut slowly rotated can appear in long-time use to can appear the nut and easily become flexible and the problem that easily drops, thereby influence the fastening nature and the security of fixed position, current locking measure can use the mode of wedge gasket or the mode of welded nut or set up the mode that the hole alternates the steel wire on the screw rod and carry out locking.
The use of wedge-shaped washers still results in insufficient anti-loosening effect.
The problem that efficiency of construction reduces then can appear in the mode of using welded nut simultaneously, and the welding department possesses the thread groove and can appear difficult welding, the welding fastening nature is not enough and the not enough problem of corrosion protection ability.
The mode that sets up the hole and alternate the steel wire on the screw rod of use possesses two kinds of methods, the first kind is to set up the hole on the screw rod portion in advance, however the position of hole is fixed, the problem that suitability is not enough can appear, can appear being difficult for interlude the steel wire under the condition that the nut covers the hole the problem, and when the distance is great between hole and the nut, the condition that becomes flexible still can appear, only possess anti-drop effect and do not possess locking effect, the second method is at screw rod portion trompil at the scene after the bolt installation, the problem that efficiency of construction is not enough can appear this moment, the problem that the nut shifted can appear in the vibration that produces when the scene trompil simultaneously.
Disclosure of Invention
The invention aims to provide a bolt with an anti-loosening effect, wherein a through groove is formed in a screw rod part of a bolt, a fastening piece is arranged at one end of a nut, the fastening piece moves in parallel along the screw rod part through a first positioning block and a second positioning block, the position of the fastening piece can be limited through interference fit of a pin and the through groove, the expansion of the screw rod part between a sleeve ring and a reinforcing sleeve can be caused through force application of the pin, the position of the limiting nut and the position of the fastening piece can be tightly limited, and the problem that the existing nut is easy to loosen and fall off due to too large and frequent vibration is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a bolt with an anti-loosening effect, which comprises a bolt, a nut, a fastener and a pin, wherein the bolt comprises a screw rod part and a nut part, and the nut is arranged on the screw rod part and is in threaded connection with the screw rod part;
one end of the screw rod part, which is far away from the screw cap part, is provided with a through groove, and the through groove is of a strip-shaped groove structure;
the fastener comprises a lantern ring, one end of the lantern ring is rotatably connected with one end of the nut through a connecting piece, and the lantern ring is arranged on the outer side of the screw rod part and is in sliding connection with the screw rod part;
a group of first positioning blocks which are symmetrically arranged are fixed in the lantern ring, the two first positioning blocks are both positioned in the through groove and are in sliding fit with the through groove, a group of transverse edges which are symmetrically arranged are fixed at one end, away from the connecting piece, of the lantern ring, and through holes are formed in the transverse edges;
the screw rod part is fixed on the screw rod part through the pin and the through groove.
Further, the connecting piece includes the swivel, the swivel is fixed at nut one end and is set up with the nut is concentric, the runner has been seted up to lantern ring one end, the swivel is located the runner and just with runner clearance fit, the cross section of swivel is the same with the cross section of runner.
Furthermore, a reinforcing sleeve is fixed to one end, far away from the lantern ring, of the transverse edge, the reinforcing sleeve is sleeved on the outer side of the screw rod portion, the inner diameter of the reinforcing sleeve is the same as the outer diameter of the screw rod portion, a set of symmetrically-arranged second positioning blocks are fixed to the inner side of the reinforcing sleeve, and the second positioning blocks are located inside the through groove and in clearance fit with the through groove.
Further, violently along the bottom surface for the arcwall face structure, violently along the bottom surface and the contact of screw rod portion surface, violently along the top surface for straight face structure.
Furthermore, an end socket is fixed to one end of the pin, and a knocking end is fixed to one end of the end socket.
Furthermore, the opposite sides of one end, far away from the end head, of each pin are provided with inclined grooves, and one end of each pin is formed into a trapezoidal nail head through one group of inclined grooves.
Furthermore, the screw rod portion is equipped with two gaskets in the position between nut and the nut portion, the gasket is two wedge circle structures of mutually supporting.
Further, the outer surfaces of the nut, the fastener, the screw and the pin are all coated with corrosion-resistant coating.
The invention has the following beneficial effects:
according to the invention, the through groove is formed in the screw rod part of the screw, the fastener is arranged at one end of the nut, the fastener moves in parallel along the screw rod part through the first positioning block and the second positioning block, meanwhile, the position of the fastener can be limited through interference fit of the pin and the through groove, the position of the limited nut and the position of the fastener can be tightly fixed through expansion of the screw rod part between the lantern ring and the reinforcing sleeve caused by force application to the pin, so that the nut can be prevented from loosening and separating, the problem that the nut is easy to loosen and fall off due to too large and frequent vibration is avoided, and the fastening performance and safety of a fixed position are ensured.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a bolt with anti-loosening effect according to the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is a schematic view of a screw;
FIG. 5 is a schematic view of a nut and fastener arrangement;
FIG. 6 is a schematic view of the pin construction;
in the drawings, the components represented by the respective reference numerals are listed below:
1-screw, 2-nut, 3-fastener, 4-pin, 5-connector, 6-gasket, 101-screw part, 102-screw part, 103-through groove, 301-lantern ring, 302-first locating block, 303-transverse edge, 304-through hole, 305-rotary groove, 306-reinforcing sleeve, 307-second locating block, 401-end, 402-knocking end, 403-inclined groove and 501-rotary ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention is a bolt with anti-loosening effect, including a bolt 1, a nut 2, a fastening member 3 and a pin 4, wherein the bolt 1 includes a screw portion 101 and a nut portion 102, and the nut 2 is disposed on the screw portion 101 and is in threaded connection with the screw portion 101;
a through groove 103 is formed in one end, away from the screw cap part 102, of the screw rod part 101, and the through groove 103 is of a strip-shaped groove structure;
the fastener 3 comprises a lantern ring 301, one end of the lantern ring 301 is rotatably connected with one end of the nut 2 through a connecting piece 5, and the lantern ring 301 is arranged on the outer side of the screw rod part 101 and is in sliding connection with the screw rod part 101;
a group of first positioning blocks 302 which are symmetrically arranged is fixed in the lantern ring 301, the two first positioning blocks 302 are both positioned in the through groove 103 and are in sliding fit with the through groove 103, a group of transverse edges 303 which are symmetrically arranged is fixed at one end of the lantern ring 301, which is far away from the connecting piece 5, and through holes 304 are formed in the transverse edges 303;
one end of the pin 4 sequentially penetrates through a through hole 304 on one transverse edge 303, the through groove 103 and a through hole 304 on the other transverse edge 303, the pin 4 is in clearance fit with the through hole 304, the pin 4 is in interference fit with the through groove 103, and the fastener 3 is fixed on the screw rod part 101 through the pin 4 and the through groove 103.
As shown in fig. 3, the connecting member 5 includes a swivel 501, the swivel 501 is fixed at one end of the nut 2 and concentrically disposed with the nut 2, a swivel groove 305 is formed at one end of the collar 301, the swivel 501 is located in the swivel groove 305 and is in clearance fit with the swivel groove 305, and a cross section of the swivel 501 is the same as a cross section of the swivel groove 305.
As shown in fig. 1-3 and 5, a reinforcing sleeve 306 is fixed at one end of the transverse edge 303 far from the collar 301, the reinforcing sleeve 306 is sleeved outside the screw rod portion 101, the inner diameter of the reinforcing sleeve 306 is the same as the outer diameter of the screw rod portion 101, a set of symmetrically arranged second positioning blocks 307 is fixed inside the reinforcing sleeve 306, and the two second positioning blocks 307 are both located inside the through groove 103 and are in clearance fit with the through groove 103.
As shown in FIGS. 3 and 5, the bottom surface of the transverse edge 303 is an arc-shaped surface structure, the bottom surface of the transverse edge 303 is in contact with the outer surface of the screw part 101, and the top surface of the transverse edge 303 is a flat surface structure.
As shown in fig. 3 and 6, a head 401 is fixed to one end of the pin 4, and a striking end 402 is fixed to one end of the head 401.
As shown in fig. 6, the opposite sides of the end of the pin 4 away from the tip 401 are both provided with inclined grooves 403, and one end of the pin 4 is formed into a trapezoidal nail head by one group of inclined grooves 403.
As shown in fig. 1-3, two gaskets 6 are disposed at a position of the screw portion 101 between the nut 2 and the nut portion 102, and the gaskets 6 are two wedge-shaped ring structures that are engaged with each other.
Wherein, the outer surfaces of the nut 2, the fastener 3, the screw 1 and the pin 4 are all coated with corrosion-resistant coating.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a bolt with locking effect, includes screw (1) and nut (2), screw (1) includes screw portion (101) and nut portion (102), nut (2) set up on screw portion (101) and with screw portion (101) threaded connection, its characterized in that: the device also comprises a fastener (3) and a pin (4);
a through groove (103) is formed in one end, away from the nut part (102), of the screw part (101), and the through groove (103) is of a strip-shaped groove structure;
the fastening piece (3) comprises a lantern ring (301), one end of the lantern ring (301) is rotatably connected with one end of the nut (2) through a connecting piece (5), and the lantern ring (301) is arranged on the outer side of the screw rod part (101) and is in sliding connection with the screw rod part (101);
a group of first positioning blocks (302) which are symmetrically arranged is fixed in the lantern ring (301), the two first positioning blocks (302) are both positioned in the through groove (103) and are in sliding fit with the through groove (103), a group of transverse edges (303) which are symmetrically arranged is fixed at one end, away from the connecting piece (5), of the lantern ring (301), and through holes (304) are formed in the transverse edges (303);
one end of the pin (4) sequentially penetrates through a through hole (304) in the transverse edge (303), the through groove (103) and a through hole (304) in the other transverse edge (303), the pin (4) is in clearance fit with the through hole (304), the pin (4) is in interference fit with the through groove (103), and the fastener (3) is fixed on the screw rod part (101) through the pin (4) and the through groove (103).
2. The bolt with the anti-loosening effect according to claim 1, wherein the connecting piece (5) comprises a rotating ring (501), the rotating ring (501) is fixed at one end of the nut (2) and is concentrically arranged with the nut (2), a rotating groove (305) is formed in one end of the sleeve ring (301), the rotating ring (501) is located in the rotating groove (305) and is in clearance fit with the rotating groove (305), and the cross section of the rotating ring (501) is the same as that of the rotating groove (305).
3. The bolt with the anti-loosening effect according to claim 1, wherein a reinforcing sleeve (306) is fixed to one end, away from the collar (301), of each of the two transverse edges (303), the reinforcing sleeve (306) is sleeved outside the screw rod portion (101), the inner diameter of the reinforcing sleeve (306) is the same as the outer diameter of the screw rod portion (101), a set of symmetrically arranged second positioning blocks (307) is fixed to the inner side of the reinforcing sleeve (306), and the two second positioning blocks (307) are located inside the through groove (103) and are in clearance fit with the through groove (103).
4. A bolt with anti-loosening effect according to claim 1, wherein the bottom surface of the transverse edge (303) is of an arc-shaped surface structure, the bottom surface of the transverse edge (303) is in contact with the outer surface of the screw part (101), and the top surface of the transverse edge (303) is of a straight surface structure.
5. Bolt with anti-loosening effect according to claim 1, characterized in that a head (401) is fixed to one end of the pin (4), and a striking end (402) is fixed to one end of the head (401).
6. A bolt with anti-loosening effect according to claim 5, characterized in that the opposite sides of the end of the pin (4) far away from the head (401) are provided with inclined grooves (403), and one group of the inclined grooves (403) forms one end of the pin (4) into a trapezoidal nail head.
7. A bolt with anti-loosening effect according to claim 1, wherein the position of the screw part (101) between the nut (2) and the nut part (102) is provided with two gaskets (6), and the gaskets (6) are in two matched wedge ring structures.
8. The bolt with the anti-loosening effect according to claim 1, wherein the outer surfaces of the nut (2), the fastener (3), the screw (1) and the pin (4) are all coated with corrosion-resistant paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171165.7A CN112431841B (en) | 2020-10-28 | 2020-10-28 | Bolt with locking effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171165.7A CN112431841B (en) | 2020-10-28 | 2020-10-28 | Bolt with locking effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112431841A true CN112431841A (en) | 2021-03-02 |
| CN112431841B CN112431841B (en) | 2022-04-05 |
Family
ID=74696337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011171165.7A Active CN112431841B (en) | 2020-10-28 | 2020-10-28 | Bolt with locking effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112431841B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10230753A1 (en) * | 2002-07-09 | 2004-01-22 | Brückl Gesellschaft für Befestigungstechnik mbH | Internally threaded wall plug has tip of conical nut clamped in top of its bore which expands slits in plug as screw is inserted |
| US20130280007A1 (en) * | 2012-04-23 | 2013-10-24 | I-Fu CHEN | Locking and unlocking nut structure |
| CN104482023A (en) * | 2014-12-07 | 2015-04-01 | 泉州市永茂电子科技有限公司 | Screw rod, expansion rod and anti-loosening bolt available for strong-shock environments or mining machinery |
| JP2015078744A (en) * | 2013-10-17 | 2015-04-23 | ジャパンライフ株式会社 | Lock ring |
| CN110273908A (en) * | 2019-06-17 | 2019-09-24 | 张国炜 | A kind of concentric reducing bolt |
| CN209510884U (en) * | 2018-10-10 | 2019-10-18 | 余竺高 | A kind of anti-drop screw firmware |
| CN211288412U (en) * | 2019-11-18 | 2020-08-18 | 深圳市恒天下塑胶五金有限公司 | Paster bolt with self-locking function |
-
2020
- 2020-10-28 CN CN202011171165.7A patent/CN112431841B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10230753A1 (en) * | 2002-07-09 | 2004-01-22 | Brückl Gesellschaft für Befestigungstechnik mbH | Internally threaded wall plug has tip of conical nut clamped in top of its bore which expands slits in plug as screw is inserted |
| US20130280007A1 (en) * | 2012-04-23 | 2013-10-24 | I-Fu CHEN | Locking and unlocking nut structure |
| JP2015078744A (en) * | 2013-10-17 | 2015-04-23 | ジャパンライフ株式会社 | Lock ring |
| CN104482023A (en) * | 2014-12-07 | 2015-04-01 | 泉州市永茂电子科技有限公司 | Screw rod, expansion rod and anti-loosening bolt available for strong-shock environments or mining machinery |
| CN209510884U (en) * | 2018-10-10 | 2019-10-18 | 余竺高 | A kind of anti-drop screw firmware |
| CN110273908A (en) * | 2019-06-17 | 2019-09-24 | 张国炜 | A kind of concentric reducing bolt |
| CN211288412U (en) * | 2019-11-18 | 2020-08-18 | 深圳市恒天下塑胶五金有限公司 | Paster bolt with self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112431841B (en) | 2022-04-05 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 214400 No.318, Binjiang West Road, Lingang New Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Jiangyang Fasteners Co.,Ltd. Address before: 214400 No.318, Binjiang West Road, Lingang New Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangyin Jiangyang Standard Fastener Manufacturing Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |