CN212479877U - Anti-loosening mechanism of connecting bolt - Google Patents
Anti-loosening mechanism of connecting bolt Download PDFInfo
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- CN212479877U CN212479877U CN202021174150.1U CN202021174150U CN212479877U CN 212479877 U CN212479877 U CN 212479877U CN 202021174150 U CN202021174150 U CN 202021174150U CN 212479877 U CN212479877 U CN 212479877U
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- loosening
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- connecting bolt
- cap nut
- locking
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Abstract
The utility model discloses a connecting bolt's locking mechanism. The anti-loosening mechanism comprises an anti-loosening plate and two anti-loosening cylinders, wherein the anti-loosening plate is provided with two mounting holes penetrating through the anti-loosening plate, and the two mounting holes correspond to the two cap nuts one to one; the two ends of the two anti-loosening cylinders are open, the two anti-loosening cylinders are fixed on the anti-loosening plate, the two anti-loosening cylinders and the two mounting holes are arranged in a one-to-one correspondence mode, the anti-loosening plate is placed on the shoulders of the two cap nuts through the two mounting holes, and the upper ends of the cap nuts are clamped in the corresponding anti-loosening cylinders. According to bolted connection's the characteristics of arranging, take every 2 bolt locking strategies in pairs, every adopts a locking mechanism to bolted connection, and every locking mechanism includes 1 anti-loosening plate and two anti-loosening cylinders, and through the anti-loosening plate, every gland nut can provide locking counter-force for another gland nut, reaches reliable locking effect.
Description
Technical Field
The utility model relates to a bolt locking technical field, concretely relates to connecting bolt's locking mechanism.
Background
The pressure vessel is the core equipment of the nuclear power station, and plays roles of reactor support, radioactivity containment and the like. The number of the supporting pieces of the pressure container is 4, each supporting piece is connected through 8 double-end studs, one end of each stud is screwed into the basic embedded plate of the cavity, and the outer leakage end of each stud is provided with a cap nut with a hexagonal head at the top, as shown in figure 4. The cap nut is prone to problems with loosening.
Chinese patent CN201920329575.6 discloses a bolt anti-loosening device, which is characterized in that: the anti-loosening device at least comprises a bolt rod, a nut, a locking cover and a split pin; the bolt rod is connected with the nut through a screw, and the anti-loosening cover is inserted into a nut slot of the nut through two symmetrical small claws, so that a hexagonal hole at the small hexagonal part of the bolt rod is exposed; the cotter pin is inserted into the hexagonal hole. The bolt anti-loosening device is reliable and convenient to observe and disassemble. Although the problem that the bolt loosens has been solved to a certain extent in this application, its spare part is more, and processing is dismantled the installation and is all very troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, easy dismounting's connecting bolt's locking mechanism to the not enough of above-mentioned prior art.
The utility model discloses a locking mechanism of connecting bolt, the equal spiral of upper end of connecting bolt installs the gland nut, the lower extreme outer wall of gland nut is cylindrical, and the upper end outer wall is polygon prism form, the diameter of the lower extreme of gland nut is greater than the diameter of upper end, and forms a shoulder in its juncture, and each pair of install a locking mechanism on the gland nut of connecting bolt, locking mechanism includes an anti-loosening plate and two anti-loosening cylinders, be equipped with two mounting holes that run through it on the anti-loosening plate, two the mounting hole with two the gland nut one-to-one; two the both ends of anti-loosening cylinder are all uncovered, two anti-loosening cylinder is fixed on the anti-loosening plate, two anti-loosening cylinder and two mounting hole one-to-one set up, the anti-loosening plate is by two the mounting hole is placed two gland nut's shoulder, gland nut's upper end card is established and is corresponded in the anti-loosening cylinder.
Furthermore, the cap nut, the anti-loosening plate and the anti-loosening barrel are made of the same metal material.
Further, the anti-loosening cylinder is welded on the anti-loosening plate.
Further, the upper end of the cap nut is hexagonal prism-shaped, and the size and the shape of the inner wall of the anti-loosening cylinder are the same as those of the upper end of the cap nut.
Further, the anti-loosening plate is rectangular, and four corners of the anti-loosening plate are rounded.
The utility model discloses a locking mechanism use of connecting bolt is as follows: the method comprises the following steps that a bolt is screwed on a support piece in sequence, after a cover nut is installed, an anti-loosening cylinder is assembled on the cover nut, an anti-loosening plate is installed in a trial mode, after the anti-loosening cylinder and the anti-loosening plate are installed in a trial mode, the anti-loosening cylinder and the anti-loosening plate are scribed and positioned, the matching position of the anti-loosening cylinder and the matching position of the anti-loosening plate are determined, the anti-loosening cylinder and the anti-loosening plate are taken down, the anti-loosening cylinder and the anti-loosening plate are fixed in a workshop according to the scribed matching positions, and the anti-loosening mechanism is assembled; the assembled anti-loosening mechanism is arranged on the cap nut, the anti-loosening plate is placed on the shoulder of the cap nut, the inner wall of the anti-loosening cylinder is just closely attached to the outer wall of the upper end of the cap nut, and the cap nut is prevented from rotating and loosening under the external force.
The utility model discloses a connecting bolt's locking mechanism has following beneficial effect:
(1) according to the arrangement characteristics of bolt connection, a pair-wise anti-loosening strategy of every 2 bolts is adopted, each pair of bolt connection adopts one anti-loosening mechanism, each anti-loosening mechanism comprises 1 anti-loosening plate and two anti-loosening cylinders, and each cap nut can provide anti-loosening counterforce for the other cap nut through the anti-loosening plates, so that a reliable anti-loosening effect is achieved;
(2) the anti-loosening mechanism is made of the same metal material as the cap nut, so that electrochemical reaction between the anti-loosening mechanism and the cap nut is avoided, and corrosion of the cap nut and the anti-loosening mechanism is accelerated;
(3) the anti-loosening mechanism is convenient to process, easy to install and convenient to construct, and can realize installation and disassembly operation in a short time;
(4) the anti-loosening plate is rectangular, and four corners of the anti-loosening plate are designed with rounded corners, so that mechanical damage in operation is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural view of a locking mechanism of a connecting bolt according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating an installation and use of a locking mechanism of a connecting bolt according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cap nut according to an embodiment of the present invention;
fig. 4 is a schematic view of a current supporting structure.
1. A cap nut; 11. a shoulder portion; 2. a locking mechanism; 21. an anti-loosening plate; 211. mounting holes; 22. an anti-loosening cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
As shown in fig. 1-3, a locking mechanism for a connecting bolt, a cap nut 1 is spirally mounted on the upper end of the connecting bolt, the outer wall of the lower end of the cap nut 1 is cylindrical, the outer wall of the upper end is polygonal prism-shaped, the diameter of the lower end of the cap nut 1 is larger than that of the upper end, and a shoulder 11 is formed at the junction of the cap nut 1, and the locking mechanism is characterized in that: the cover nuts 1 of each pair of connecting bolts are provided with a locking mechanism 2, the locking mechanism 2 comprises a locking plate 21 and two locking cylinders 22, the locking plate 21 is provided with two mounting holes 211 penetrating through the locking plate, and the two mounting holes 211 correspond to the two cover nuts 1 one by one; the both ends of two anti-loosening cylinders 22 are all uncovered, and two anti-loosening cylinders 22 are fixed on anti-loosening plate 21, and two anti-loosening cylinders 22 set up with two mounting holes 211 one-to-one, and anti-loosening plate 21 is placed at the shoulder 11 of two gland nuts 1 by two mounting holes 211, and the upper end card of gland nut 1 is established in the anti-loosening cylinder 22 that corresponds.
The utility model discloses a locking mechanism use of connecting bolt is as follows: screwing a bolt on a support in sequence, assembling an anti-loosening cylinder 22 on the cap nut 1 after the cap nut 1 is installed, trial assembling an anti-loosening plate 21, marking and positioning the anti-loosening cylinder 22 and the anti-loosening plate 21 after the anti-loosening cylinder 22 and the anti-loosening plate 21 are trial assembled, determining the matching position of the anti-loosening cylinder 22 and the anti-loosening plate 21, taking down the anti-loosening cylinder 22 and the anti-loosening plate 21, fixing the anti-loosening cylinder 22 and the anti-loosening plate 21 in a workshop according to the marked matching position, and completing the assembly of the anti-loosening mechanism 2; the assembled anti-loose mechanism 2 is arranged on the cap nut 1, the anti-loose plate 21 is placed on the shoulder 11 of the cap nut 1, and the inner wall of the anti-loose cylinder 22 is just closely attached to the outer wall of the upper end of the cap nut 1, so that the cap nut 1 is prevented from being rotated and loosened under the external force.
According to the arrangement characteristics of bolt connection, a pair-wise anti-loosening strategy of every 2 bolts is adopted, each pair of bolt connection adopts one anti-loosening mechanism 2, each anti-loosening mechanism 2 comprises 1 anti-loosening plate 21 and two anti-loosening cylinders 22, and each cap nut 1 can provide anti-loosening counter force for the other cap nut 1 through the anti-loosening plates 21, so that a reliable anti-loosening effect is achieved;
the cover nut 1, the anti-loosening plate 21 and the anti-loosening cylinder 22 are made of various materials, and are not limited herein, from the aspects of mechanism firmness and processing requirements, the cover nut 1, the anti-loosening plate 21 and the anti-loosening cylinder 22 can be made of the same or similar metal materials, the anti-loosening mechanism 2 is processed by the same metal material as the cover nut 1, electrochemical reaction between the anti-loosening mechanism 2 and the cover nut 1 is avoided, and corrosion of the cover nut 1 and the anti-loosening mechanism 2 is accelerated.
The locking cylinder 22 is fixed to the locking plate 21 in various ways, for example: the anti-loosening cylinder 22 may be welded to the anti-loosening plate 21.
The upper end of the cap nut 1 may be hexagonal prism-shaped, and the inner wall of the anti-loosening cylinder 22 has the same size and shape as the upper end of the cap nut 1.
The anti-loosening plate 21 is rectangular, and four corners of the anti-loosening plate 21 are rounded, so that mechanical damage in operation is avoided.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It should be noted that, in this document, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings or the orientation or position relationship which is usually arranged when the product of this application is used, and are only used for convenience of describing and simplifying the application, but do not indicate or imply that the device to be referred must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, cannot be construed as limiting the application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a locking mechanism of connecting bolt, the equal spiral of connecting bolt's upper end installs cap nut (1), the lower extreme outer wall of cap nut (1) is cylindrical, and the upper end outer wall is polygon prism form, the diameter of the lower extreme of cap nut (1) is greater than the diameter of upper end, and forms a shoulder (11) its characterized in that at its juncture: a locking mechanism (2) is mounted on each pair of the cover nuts (1) of the connecting bolt, each locking mechanism (2) comprises a locking plate (21) and two locking cylinders (22), two mounting holes (211) penetrating through the locking plate (21) are formed in the locking plate (21), and the two mounting holes (211) correspond to the two cover nuts (1) one by one; two the both ends of anti-loosening cylinder (22) are all uncovered, two anti-loosening cylinder (22) are fixed on anti-loosening plate (21), two anti-loosening cylinder (22) and two mounting holes (211) one-to-one set up, anti-loosening plate (21) are by two mounting holes (211) are placed two shoulder (11) of gland nut (1), the upper end card of gland nut (1) is established and is corresponded in anti-loosening cylinder (22).
2. A check mechanism for a connecting bolt as defined in claim 1, wherein: the cap nut (1), the anti-loosening plate (21) and the anti-loosening barrel (22) are made of the same metal material.
3. A locking mechanism for a connecting bolt as claimed in claim 2, wherein: the anti-loosening cylinder (22) is welded on the anti-loosening plate (21).
4. A check mechanism for a connecting bolt as defined in claim 1, wherein: the upper end of the cap nut (1) is hexagonal prism-shaped, and the size and the shape of the inner wall of the anti-loosening cylinder (22) are the same as those of the upper end of the cap nut (1).
5. A check mechanism for a connecting bolt as defined in claim 1, wherein: the anti-loosening plate (21) is rectangular, and four corners of the anti-loosening plate (21) are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174150.1U CN212479877U (en) | 2020-06-23 | 2020-06-23 | Anti-loosening mechanism of connecting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174150.1U CN212479877U (en) | 2020-06-23 | 2020-06-23 | Anti-loosening mechanism of connecting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479877U true CN212479877U (en) | 2021-02-05 |
Family
ID=74413405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021174150.1U Active CN212479877U (en) | 2020-06-23 | 2020-06-23 | Anti-loosening mechanism of connecting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479877U (en) |
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2020
- 2020-06-23 CN CN202021174150.1U patent/CN212479877U/en active Active
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