CN110821939A - Anti-loosening screw rod - Google Patents
Anti-loosening screw rod Download PDFInfo
- Publication number
- CN110821939A CN110821939A CN201911176607.4A CN201911176607A CN110821939A CN 110821939 A CN110821939 A CN 110821939A CN 201911176607 A CN201911176607 A CN 201911176607A CN 110821939 A CN110821939 A CN 110821939A
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- Prior art keywords
- hexagonal
- screw
- hexagonal nut
- screw rod
- thread
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- 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.)
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- 230000002265 prevention Effects 0.000 claims 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
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000000034 method 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
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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
- 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
- F16B39/08—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a looseness-proof screw rod. Locking screw rod that moves includes: a hexagonal screw; the hexagonal nut is sleeved outside the hexagonal screw in a threaded manner and penetrates through the hexagonal nut; the hexagonal nut sleeve is sleeved on the outer side of the hexagonal nut; the plurality of fixing screws penetrate through the hexagonal nut sleeve and are in threaded connection with the hexagonal screw; the first thread is arranged on the outer side of the hexagonal screw; and the second threads are respectively arranged on the outer sides of the fixing screw rods. The anti-loosening screw rod provided by the invention has the advantages of convenience in use, simplicity in operation and capability of preventing the nut and the screw rod from loosening.
Description
Technical Field
The invention relates to the technical field of screws, in particular to an anti-loosening screw.
Background
The screw rod is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, and is divided into an outer hexagonal screw rod, a large flat screw rod, an inner hexagonal screw and the like.
The traditional screw rod is mostly used in cooperation with a nut or a thread groove (hole), and after the traditional screw rod fixing piece is installed, the screw rod and the nut are easy to fall off due to the vibration environment where the fixing piece is located, so that the fixing piece is loosened.
Therefore, it is necessary to provide a screw with a locking function to solve the above problems.
Disclosure of Invention
The invention solves the technical problem of providing the anti-loosening screw which is convenient to use, simple to operate and capable of preventing the nut and the screw from loosening.
In order to solve the technical problem, the invention provides a loosening prevention screw rod, which comprises: a hexagonal screw; the hexagonal nut is sleeved outside the hexagonal screw in a threaded manner and penetrates through the hexagonal nut; the hexagonal nut sleeve is sleeved on the outer side of the hexagonal nut; the plurality of fixing screws penetrate through the hexagonal nut sleeve and are in threaded connection with the hexagonal screw; the first thread is arranged on the outer side of the hexagonal screw; and the second threads are respectively arranged on the outer sides of the fixing screw rods.
Preferably, the hexagonal nut is arranged in a regular hexagon, a regular hexagon groove is formed in one side of the hexagonal nut sleeve, and the hexagonal nut is located in the regular hexagon groove.
Preferably, a plurality of positioning holes are formed in the inner wall of one side of the regular hexagonal groove, and the fixing screw penetrates through the corresponding positioning holes.
Preferably, a plurality of first thread grooves are formed in the hexagonal screw, and the fixing screw extends into the corresponding first thread groove and is in threaded connection with the inner wall of the corresponding first thread groove.
Preferably, the hexagonal nut includes regular hexagon ring piece and fixed mounting at regular hexagon ring piece fixed connection's ring piece, the third screw thread has been seted up in the outside of ring piece, the circular slot has been seted up to the hexagonal nut cover, the fourth screw thread has been seted up on the inner wall of circular slot, the hexagonal nut cover is established the outside of circular piece, just the hexagonal nut cover passes through third screw thread and fourth screw thread threaded connection with the circular piece.
Preferably, a plurality of the fixing screws penetrate through the hexagonal nut sleeve and are in threaded connection with the hexagonal screw.
Preferably, a first positioning rotating groove is formed in the fixing screw rod, a second positioning rotating groove is formed in the fixing screw rod, and the first positioning rotating groove and the second positioning rotating groove are both arranged in a regular hexagon.
Compared with the related art, the anti-loosening screw rod provided by the invention has the following beneficial effects:
the invention provides a loosening-preventing screw, which is characterized in that a hexagonal nut is arranged in a regular hexagon, a regular hexagon groove is formed in one side of a hexagonal nut sleeve, the hexagonal nut is positioned in the regular hexagon groove, and the hexagonal nut can be prevented from rotating while the hexagonal nut sleeve is not rotated by sleeving the hexagonal nut sleeve on the hexagonal nut; the hexagonal screw is provided with a plurality of first thread grooves, the fixing screw extends into the corresponding first thread groove and is in threaded connection with the inner wall of the corresponding first thread groove, the fixing screw is connected with the hexagonal screw and is connected with the hexagonal nut through the hexagonal nut sleeve, so that the hexagonal screw and the hexagonal nut can be kept relatively static, the hexagonal nut and the hexagonal screw can be effectively prevented from rotating oppositely to be loosened, when the hexagonal nut on the hexagonal screw rotates towards the loosening direction, the rotating force is transmitted to the hexagonal nut sleeve and then transmitted to the fixing screw on the nut sleeve through the hexagonal nut sleeve, when only one fixing screw is provided, because the fixing screw is opposite to the thread on the hexagonal nut, the loosening of the hexagonal nut on the hexagonal screw is inhibited, and the hexagonal nut cannot be loosened, and in the same way, when more than two fixing screws are provided, the rotation of the hexagonal nut on the hexagonal screw is restrained, so that the hexagonal nut cannot be loosened.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a loosening prevention screw provided by the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the anti-loosening screw rod provided by the present invention;
fig. 3 is a schematic view of a third embodiment of the anti-loosening screw rod provided by the invention.
Reference numbers in the figures: 1. the hexagonal screw rod, 2, hexagonal nut, 3, hexagonal nut cover, 4, clamping screw, 5, first screw thread, 6, second screw thread.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1, in a first embodiment of the present invention, a locking screw includes: a hexagonal screw 1; the hexagonal nut 2 is sleeved on the outer side of the hexagonal screw 1 in a threaded manner, and the hexagonal screw 1 penetrates through the hexagonal nut 2; the hexagonal nut sleeve 3 is sleeved on the outer side of the hexagonal nut 2; the fixing screws 4 penetrate through the hexagonal nut sleeve 3, and the fixing screws 4 are in threaded connection with the hexagonal screw 1; the first threads 5 are arranged on the outer side of the hexagonal screw 1; and the second threads 6 are respectively arranged on the outer sides of the fixing screws 4.
The hexagonal nut 2 is arranged in a regular hexagon, a regular hexagon groove is formed in one side of the hexagonal nut sleeve 3, and the hexagonal nut 2 is located in the regular hexagon groove.
A plurality of positioning holes are formed in the inner wall of one side of the regular hexagonal groove, and the fixing screw rod 4 penetrates through the corresponding positioning holes.
A plurality of first thread grooves are formed in the hexagonal screw 1, and the fixing screw 4 extends into the corresponding first thread grooves and is in threaded connection with the inner walls of the corresponding first thread grooves.
The working principle of the anti-loosening screw rod provided by the invention is as follows:
firstly, the hexagonal screw 1 is installed in the hole of the fixing piece, and then the hexagonal nut 2 is screwed into the hexagonal screw 1 and is screwed tightly. Then the hexagonal nut sleeve 3 is sleeved on the hexagonal nut 2. And finally, screwing the fixing screw rod 4 into the hexagonal nut sleeve 3, and screwing the fixing screw rod 4 tightly to fix the hexagonal nut sleeve 3 with the hexagonal screw rod 1 and the hexagonal nut 2, wherein the hexagonal nut sleeve 3 is not contacted with the surface of the fixing piece. When the hexagonal nut 2 on the hexagonal screw 1 rotates toward the loosening direction, the rotating force is transmitted to the hexagonal nut sleeve 3, and then transmitted to the fixing screw 4 on the hexagonal nut sleeve through the hexagonal nut sleeve 3, when only one fixing screw 4 is provided, because the fixing screw 4 is opposite to the thread on the hexagonal nut 2, the hexagonal nut 2 on the hexagonal screw 1 is loosened and restrained, so that the hexagonal nut cannot be loosened, and in the same way, when more than two fixing screws 4 are provided, the hexagonal nut 2 on the hexagonal screw 1 is restrained from rotating, so that the hexagonal nut cannot be loosened, and therefore the screw can be prevented from being loosened. When the foot of the hexagonal screw 1 only has one fixing hole, the second thread 6 on the fixing screw 4 is opposite to the first thread 5 on the hexagonal screw 1. When 1 diameter of hexagonal screw is big enough with intensity, when the fixed orifices of 1 foot of hexagonal screw has a plurality ofly, more firm with fixed, be difficult to the pine take off more. When fixing screw 4 has two, another fixing screw 4 is the reverse thread, when fixing screw 4 has three, two fixing screw 4 are the positive thread, and a fixing screw 4 is the reverse thread, and when fixing screw 4 has four, two fixing screw 4 are the positive thread, and two fixing screw 4 are the reverse thread, so on. The hexagonal nut sleeve 3 has the advantages of being not in contact with the surface of the fixing piece: the fixing member cannot transmit force to the fixing screw rod 4 through the hexagonal nut sleeve 3, resulting in looseness of the fixing screw rod. According to the anti-loosening screw rod shown in figure 1, the hexagonal nut sleeves 3 in different sizes can be matched according to different thicknesses of the fixing parts, certain deviation can exist in the length of the hexagonal nut sleeves 3, namely, the hexagonal nut sleeves 3 can cover the hexagonal nut 2 with the thickness more than one half, and the anti-loosening screw rod is convenient to use. All parts of the anti-loosening screw can indicate the thread direction.
Compared with the related art, the anti-loosening screw rod provided by the invention has the following beneficial effects:
the invention provides a loosening-preventing screw, wherein a hexagonal nut 2 is arranged in a regular hexagon, a regular hexagon groove is formed in one side of a hexagonal nut sleeve 3, the hexagonal nut 2 is positioned in the regular hexagon groove, and the hexagonal nut 2 can be prevented from rotating while the hexagonal nut sleeve 3 does not rotate by sleeving the hexagonal nut sleeve 3 on the hexagonal nut 2; the hexagonal screw 1 is provided with a plurality of first thread grooves, the fixing screws 4 extend into the corresponding first thread grooves and are in threaded connection with the inner walls of the corresponding first thread grooves, the fixing screws 4 are connected with the hexagonal screw 1 and are connected with the hexagonal nut 2 through the hexagonal nut sleeve 3, so that the hexagonal screw 1 and the hexagonal nut 2 can be kept relatively static, the hexagonal nut 2 and the hexagonal screw 1 can be effectively prevented from being loosened due to opposite rotation, when the hexagonal nut 2 on the hexagonal screw 1 rotates in the loosening direction, the rotating force is transmitted to the hexagonal nut sleeve 3 and then transmitted to the fixing screw 4 on the nut sleeve through the hexagonal nut sleeve 3, when only one fixing screw 4 is provided, as the fixing screw 4 is opposite to the thread on the hexagonal nut 2, the loosening of the hexagonal nut 2 on the hexagonal screw 1 is restrained, so that it cannot be loosened, and similarly, when there are more than two fixing screws 4, the rotation of the hexagonal nut 2 on the hexagonal screw 1 is restrained so that it cannot be loosened.
Second embodiment:
based on the anti-loosening screw provided by the first embodiment of the application, the second embodiment of the application provides another anti-loosening screw. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 2, the anti-loosening screw includes: a hexagonal screw 1; the hexagonal nut 2 is sleeved on the outer side of the hexagonal screw 1 in a threaded manner, and the hexagonal screw 1 penetrates through the hexagonal nut 2; the hexagonal nut sleeve 3 is sleeved on the outer side of the hexagonal nut 2; the fixing screws 4 penetrate through the hexagonal nut sleeve 3, and the fixing screws 4 are in threaded connection with the hexagonal screw 1; the first threads 5 are arranged on the outer side of the hexagonal screw 1; and the second threads 6 are respectively arranged on the outer sides of the fixing screws 4.
The fixing screw rod 1 is provided with a first positioning rotating groove 7, the fixing screw rod 4 is provided with a second positioning rotating groove 8, and the first positioning rotating groove 7 and the second positioning rotating groove 8 are both arranged in a regular hexagon.
Firstly, the hexagonal screw 1 is installed in the hole of the fixing piece, and then the hexagonal nut 2 is screwed into the hexagonal screw 1 and is screwed tightly. Then, the regular hexagon ring block part of the hexagonal nut 2 is fixed by a spanner, and then the hexagonal nut sleeve 3 is screwed into the ring block of the hexagonal nut 2 and is screwed tightly. The circular ring block part of the hexagonal nut 2 is opposite to the thread direction of the hexagonal screw 1. Finally, the fixing screw 4 is screwed into the hexagonal nut sleeve 3 and is screwed tightly, so that the hexagonal nut sleeve 3 is fixed with the hexagonal screw 1 and the hexagonal screw 1, when the hexagonal nut 2 on the hexagonal screw 1 rotates in the loosening direction, the rotating force is transmitted to the hexagonal nut sleeve 3 and then transmitted to the fixing screw 4 on the nut sleeve through the hexagonal nut sleeve 3, when only one fixing screw 4 is arranged, because the fixing screw 4 is opposite to the thread on the hexagonal nut 2, the loosening of the hexagonal nut 2 on the hexagonal screw 1 is restrained, and the hexagonal nut 2 cannot be loosened. When the foot of the hexagonal screw 1 only has one fixing hole, the second thread 6 on the fixing screw 4 is opposite to the first thread 5 on the hexagonal screw 1. When 1 diameter of hexagonal screw is big enough with intensity, when the fixed orifices of 1 foot of hexagonal screw has a plurality ofly, more firm with fixed, be difficult to the pine take off more. When the number of the fixing screws 4 is two, the other fixing screw 4 is a reverse thread, when the number of the fixing screws 4 is three, the two fixing screws 4 are a forward thread, the one fixing screw 4 is a reverse thread, when the number of the fixing screws 4 is four, the two fixing screws 4 are a forward thread, the two fixing screws 4 are a reverse thread, and so on, all the components of the anti-loosening screw can be marked by the thread direction.
The third embodiment:
based on the anti-loosening screws provided by the first embodiment and the second embodiment of the application, the third embodiment of the application provides another anti-loosening screw. The third embodiment is only a preferable mode of the first and second embodiments, and the implementation of the third embodiment does not affect the individual implementations of the first and second embodiments.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 3, the anti-loosening screw further includes a first positioning rotation groove 7 formed in the fixing screw 1 and a second positioning rotation groove 8 formed in the fixing screw 4, and both the first positioning rotation groove 7 and the second positioning rotation groove 8 are regular hexagons.
Because the rotating parts of the hexagonal screw 1 and the fixed screw 4 are arranged in a regular hexagon and the regular hexagonal grooves are arranged on the rotating parts of the hexagonal screw 1 and the fixed screw 4, when the hexagonal screw 1 and the fixed screw 4 are damaged by a wrench, the hexagonal screw 1 and the fixed screw 4 can be rotated through the first positioning rotating groove 7 and the second positioning rotating groove 8,
the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A loosening prevention screw, comprising:
a hexagonal screw;
the hexagonal nut is sleeved outside the hexagonal screw in a threaded manner and penetrates through the hexagonal nut;
the hexagonal nut sleeve is sleeved on the outer side of the hexagonal nut;
the plurality of fixing screws penetrate through the hexagonal nut sleeve and are in threaded connection with the hexagonal screw;
the first thread is arranged on the outer side of the hexagonal screw;
and the second threads are respectively arranged on the outer sides of the fixing screw rods.
2. The anti-loosening screw rod according to claim 1, wherein the hexagonal nut is arranged in a regular hexagon, a regular hexagon groove is formed in one side of the hexagonal nut sleeve, and the hexagonal nut is located in the regular hexagon groove.
3. The anti-loosening screw rod as claimed in claim 2, wherein a plurality of positioning holes are formed in an inner wall of one side of the regular hexagonal groove, and the fixing screw rod penetrates through the corresponding positioning holes.
4. The anti-loosening screw rod as claimed in claim 3, wherein the hexagonal screw rod is provided with a plurality of first thread grooves, and the fixing screw rod extends into the corresponding first thread grooves and is in threaded connection with the inner walls of the corresponding first thread grooves.
5. The anti-loosening screw rod according to claim 1, wherein the hexagonal nut comprises a regular hexagonal ring block and a ring block fixedly installed on the regular hexagonal ring block, a third thread is formed on the outer side of the ring block, a circular groove is formed in the hexagonal nut sleeve, a fourth thread is formed on the inner wall of the circular groove, the hexagonal nut sleeve is sleeved on the outer side of the circular block, and the hexagonal nut sleeve and the circular block are in threaded connection through the third thread and the fourth thread.
6. The anti-loosening screw rod as claimed in claim 5, wherein a plurality of the fixing screw rods are inserted through the hexagonal nut sleeve and are threadedly coupled with the hexagonal screw rod.
7. The anti-loosening screw rod according to claim 1, wherein the fixing screw rod is provided with a first positioning rotating groove, the fixing screw rod is provided with a second positioning rotating groove, and the first positioning rotating groove and the second positioning rotating groove are both arranged in a regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176607.4A CN110821939A (en) | 2019-11-26 | 2019-11-26 | Anti-loosening screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176607.4A CN110821939A (en) | 2019-11-26 | 2019-11-26 | Anti-loosening screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110821939A true CN110821939A (en) | 2020-02-21 |
Family
ID=69559764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911176607.4A Pending CN110821939A (en) | 2019-11-26 | 2019-11-26 | Anti-loosening screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211891A (en) * | 2020-10-13 | 2021-01-12 | 陈永华 | Locking inseparable locking bolt that moves of reverse screw thread |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512314A (en) * | 1938-04-09 | 1939-08-31 | Messerschmitt Boelkow Blohm | Improvements in and relating to nut locking devices |
| SU1539406A1 (en) * | 1988-08-05 | 1990-01-30 | Мытищинский Машиностроительный Завод | Device for locking a round nut |
| CN2385132Y (en) * | 1999-07-23 | 2000-06-28 | 徐国发 | Disassembling-proof mechanism for nut |
| US6264284B1 (en) * | 1997-01-24 | 2001-07-24 | Wheelsure Limited | Wheel nut assembly |
| CN201714810U (en) * | 2010-08-16 | 2011-01-19 | 二重集团（德阳）重型装备股份有限公司 | Threaded connection check protection device |
-
2019
- 2019-11-26 CN CN201911176607.4A patent/CN110821939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512314A (en) * | 1938-04-09 | 1939-08-31 | Messerschmitt Boelkow Blohm | Improvements in and relating to nut locking devices |
| SU1539406A1 (en) * | 1988-08-05 | 1990-01-30 | Мытищинский Машиностроительный Завод | Device for locking a round nut |
| US6264284B1 (en) * | 1997-01-24 | 2001-07-24 | Wheelsure Limited | Wheel nut assembly |
| CN2385132Y (en) * | 1999-07-23 | 2000-06-28 | 徐国发 | Disassembling-proof mechanism for nut |
| CN201714810U (en) * | 2010-08-16 | 2011-01-19 | 二重集团（德阳）重型装备股份有限公司 | Threaded connection check protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211891A (en) * | 2020-10-13 | 2021-01-12 | 陈永华 | Locking inseparable locking bolt that moves of reverse screw thread |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |
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| RJ01 | Rejection of invention patent application after publication |