CN117212323A - Lock nut and locking application method thereof - Google Patents
Lock nut and locking application method thereof Download PDFInfo
- Publication number
- CN117212323A CN117212323A CN202311424227.4A CN202311424227A CN117212323A CN 117212323 A CN117212323 A CN 117212323A CN 202311424227 A CN202311424227 A CN 202311424227A CN 117212323 A CN117212323 A CN 117212323A
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- hexagonal sleeve
- floating
- trapezoid
- groove body
- lock nut
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The application discloses a lock nut and a locking application method thereof, wherein the lock nut comprises a lower hexagonal sleeve, and a first internal thread is arranged on an inner ring of the lower hexagonal sleeve; the inner ring of the upper hexagonal sleeve is provided with a trapezoid internal thread; the trapezoid blocks are fixedly connected to the top surface of the lower hexagonal sleeve at intervals along the circumferential direction, trapezoid external threads are arranged on the peripheral wall, the first internal threads extend to the inner side wall of each trapezoid block, and the trapezoid blocks further comprise a plurality of floating units which are arranged on the top surface of the lower hexagonal sleeve at intervals along the circumferential direction; the clamping grooves are circumferentially arranged on the peripheral wall of the upper hexagonal sleeve at intervals, each floating unit can be in plug-in fit with the corresponding clamping groove, in daily use, through the technical scheme, the lower hexagonal sleeve and the upper hexagonal sleeve are rotated simultaneously, so that the first internal thread is in threaded fit with the external screw, the bottom surface of the lower hexagonal sleeve is abutted to the mounting surface of external equipment, and then the upper hexagonal sleeve is independently rotated, so that the first internal thread is inwards pressed against the external screw, and each floating unit is inserted into the corresponding clamping groove to complete locking.
Description
Technical Field
The application relates to a lock nut and a locking application method thereof.
Background
The nut is a mechanical part having an internal thread and used in cooperation with the screw to transmit motion or power. In the assembly of the parts, bolts and nuts are usually adopted to match, so that the two parts are fixedly assembled together. The locking of nut is an important research topic of threaded connection always in the long-term use process of spare part, and the technical scheme that proposes in prior art has:
the Chinese patent of the application with the publication number of CN113685420B discloses a locking nut, which comprises a first hexagonal pipe, a second hexagonal pipe, a first internal thread, a sliding groove, a through hole, a third hexagonal pipe, a circular ring, a first straight rod, a limiting needle, a first arc plate, a second internal thread, a spring and a sealing ring, so that the nut bears two opposite axial acting forces simultaneously to fix the nut, and the nut is not easy to loosen, but the structure has the following problems:
1. the second arc-shaped plate is weak in structure, is easy to bend and deform, cannot provide enough supporting force for the second internal thread, and affects the locking effect of the nut and the bolt;
2. the locking effect is still not good only by enabling the nut to bear two axial opposite acting forces at the same time.
Disclosure of Invention
The application aims to solve one of the technical problems existing in the prior art.
The application provides a lock nut, comprising:
the inner ring of the lower hexagonal sleeve is provided with a first internal thread;
the inner ring of the upper hexagonal sleeve is provided with a trapezoid internal thread;
the trapezoid blocks are fixedly connected to the top surface of the lower hexagonal sleeve at intervals along the circumferential direction, trapezoid external threads are arranged on the peripheral wall, and the first internal threads extend to the inner side walls of the trapezoid blocks.
Further comprises:
the floating units are arranged on the top surface of the lower hexagonal sleeve at intervals along the circumferential direction;
the clamping grooves are arranged on the peripheral wall of the upper hexagonal sleeve at intervals along the circumferential direction;
wherein, each floating unit can be inserted and matched with the corresponding clamping groove.
The floating unit includes:
the floating groove is arranged on the top surface of the lower hexagonal sleeve;
a floating insert floatably inserted in the floating groove;
an elastic member disposed at the bottom of the floating plug;
wherein, the top of floating plug block can be inserted and matched with corresponding clamping groove.
The elastic piece is a spring.
The floating unit further includes:
the through holes are arranged at the bottom ends of the floating grooves, and two ends of the through holes are communicated;
a restricting insertion rod floatably inserted in the through hole;
wherein, the upper end of restriction inserted bar passes the elastic component and is fixed with floating plug.
Further comprises:
and a guide slope provided at the top end of the outer peripheral wall of the floating plug.
The draw-in groove includes:
the main groove body is arranged on the bottom surface of the upper hexagonal sleeve;
wherein, the cell body is rectangular long strip, communicates hexagonal cover outer wall and inner wall.
The card slot further includes:
the auxiliary groove body is arranged on the bottom surface of the upper hexagonal sleeve and is communicated with one side of the main groove body;
the depth of the auxiliary groove body is smaller than that of the main groove body, and the lower end of the side surface of the main groove body, connected with the auxiliary groove body, extends obliquely to the auxiliary groove body.
The card slot further includes:
the stop bar is fixedly connected to one side of the auxiliary groove body adjacent to the main groove body;
one side of the stop bar facing the main groove body is smoothly connected with the corresponding side wall of the main groove body.
Simultaneously discloses a locking using method of the locking nut, which comprises the following steps:
s1, the upper hexagonal sleeve is matched with trapezoid external threads on each trapezoid block through trapezoid internal threads, and is preliminarily connected with the lower hexagonal sleeve;
s2, installing the lower hexagonal sleeve on an external screw rod through threads until the bottom surface of the lower hexagonal sleeve is abutted with the installation surface of external equipment;
s3, adopting two wrenches, wherein one wrench is matched with the lower hexagonal sleeve, and the other wrench is matched with the upper hexagonal sleeve;
s4, rotating the upper hexagonal sleeve through a corresponding wrench, and clamping each floating unit into the auxiliary groove body;
s5, the inner diameter between the trapezoid blocks is reduced, the first internal thread compresses the external thread of the external bolt, and the relative positions of the upper hexagonal sleeve and the lower hexagonal sleeve are fixed;
s6, locking the locking nut is completed.
The beneficial effects of the application are as follows:
1. the first internal thread is radially pressed through the arrangement of the lower hexagonal sleeve, the upper hexagonal sleeve, the first internal thread, the trapezoidal internal thread, the plurality of trapezoidal blocks and the trapezoidal external thread, and the nut is firm in structure, not easy to damage and ensures the locking effect of the nut;
2. through the arrangement of the floating groove, the floating insert, the elastic piece, the through hole and the limiting insert rod, after the lower hexagonal sleeve and the upper hexagonal sleeve are screwed by matching of the trapezoidal internal threads and the trapezoidal external threads, the lower hexagonal sleeve and the upper hexagonal sleeve are fixed, and meanwhile radial pressure is applied to the whole lock nut, so that the locking effect of the lock nut is further improved;
3. through the setting of main cell body, auxiliary tank body and shelves strip, block the floating unit, ensure can not loosen between hexagonal cover and the lower hexagonal cover.
Drawings
FIG. 1 is a perspective view of a lock nut according to an embodiment of the present application;
FIG. 2 is a top view of a cage nut according to an embodiment of the present application;
FIG. 3 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 2.
Reference numerals
The novel anti-theft lock comprises a 1-lower hexagonal sleeve, a 2-upper hexagonal sleeve, a 3-first internal thread, a 4-trapezoidal internal thread, a 5-trapezoidal block, a 6-trapezoidal external thread, a 7-floating unit, a 71-floating groove, a 72-floating plug block, a 73-elastic piece, a 74-through hole, a 75-limiting plug rod, a 76-guiding inclined plane, an 8-clamping groove, a 81-main groove body, an 82-auxiliary groove body and a 83-blocking strip.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The server provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, an embodiment of the present application provides a lock nut including a lower hexagonal sleeve 1, an inner ring of which is provided with a first internal thread 3; the inner ring of the upper hexagonal sleeve 2 is provided with a trapezoid internal thread 4; the trapezoid blocks 5 are fixedly connected to the top surface of the lower hexagonal sleeve 1 at intervals along the circumferential direction, trapezoid external threads 6 are arranged on the peripheral wall, and the first internal threads 3 extend to the inner side walls of the trapezoid blocks 5.
Further, the device also comprises a plurality of floating units 7 which are arranged on the top surface of the lower hexagonal sleeve 1 at intervals along the circumferential direction; the clamping grooves 8 are arranged on the peripheral wall of the upper hexagonal sleeve 2 at intervals along the circumferential direction; wherein each floating unit 7 can be in plug-in fit with a corresponding clamping groove 8.
Further, the floating unit 7 includes a floating groove 71 provided on the top surface of the lower hexagonal socket 1; a floating plug 72 floatably inserted in the floating groove 71; and the elastic piece 73 is arranged at the bottom of the floating plug 72, and the top end of the floating plug 72 can be in plug-in fit with the corresponding clamping groove 8.
Preferably, the elastic member 73 is a spring.
Further, the floating unit 7 further includes a through hole 74 provided at the bottom end of the floating groove 71, both ends being penetrated; and a restricting plug 75 floatably inserted in the through hole 74, the upper end of the restricting plug 75 passing through the elastic member 73 and being fixedly connected with the floating plug 72.
Further, a guide slope 76 is provided at the top end of the outer peripheral wall of the floating plug 72.
In this embodiment of the present application, because the above-mentioned structure is adopted, during installation, first, the upper hexagonal sleeve 2 is installed on each trapezoid block 5 through the cooperation of the trapezoid internal thread 4 and the trapezoid external thread 6, then, the first internal thread 3 is aligned to the external screw, the wrench or the socket head cap is used to rotate the upper hexagonal sleeve 2 and the lower hexagonal sleeve 1 at the same time, until the bottom surface of the lower hexagonal sleeve 1 abuts against the installation surface of the external device, then, the original wrench or socket head cap is removed, another pair of wrenches is selected, one wrench cooperates with the lower hexagonal sleeve 1, the other wrench cooperates with the upper hexagonal sleeve 2, under the condition that the lower hexagonal sleeve 1 is fixed, the space between the upper hexagonal sleeve 2 and the lower hexagonal sleeve 1 is reduced, at this time, each trapezoid block 5 is pressed against the external screw outer wall under the cooperation of the trapezoid internal thread 4 and the trapezoid external thread 6, the first internal thread 3 is tightly pressed against the external screw, in this process, the upper end of each floating insert 72 enters into the corresponding clamping groove 8, the lower hexagonal sleeve 2 is not pressed against the corresponding hexagon socket head cap 2, the corresponding floating insert is further pressed against the external screw thread 72, the corresponding threaded hole is not pressed against the lower thread 75, and the corresponding threaded hole is not tightly pressed against the lower thread is further, and the corresponding threaded hole is not pressed against the external screw thread of the external screw, and the corresponding threaded hole is further pressed against the lower thread 2, and the corresponding threaded hole is further pressed against the external thread is further pressed against the external screw, and has the external thread 3, and has a compression hole is pressed.
Example 2:
as shown in fig. 1, in this embodiment, in addition to including the structural features of the foregoing embodiment, the clamping groove 8 further includes a main groove 81 disposed on the bottom surface of the upper hexagonal sleeve 2, and the groove is rectangular and elongated, and communicates with the outer wall and the inner wall of the upper hexagonal sleeve 2.
Further, the clamping groove 8 further comprises an auxiliary groove 82 which is arranged on the bottom surface of the upper hexagonal sleeve 2 and communicated with one side of the main groove 81, the depth of the auxiliary groove 82 is smaller than that of the main groove 81, and the lower end of the side surface of the main groove 81, connected with the auxiliary groove 82, extends obliquely to the auxiliary groove 82.
Further, the clamping groove 8 further comprises a stop bar 83 fixedly connected to one side of the auxiliary groove 82 adjacent to the main groove 81, and the stop bar 83 is smoothly connected to the corresponding side wall of the main groove 81 towards one side of the main groove 81.
Simultaneously discloses a locking using method of the locking nut, which comprises the following steps:
s1, matching an upper hexagonal sleeve 2 with trapezoid external threads 6 on each trapezoid block 5 through trapezoid internal threads 4, and preliminarily connecting the upper hexagonal sleeve with a lower hexagonal sleeve 1;
s2, installing the lower hexagonal sleeve 1 on an external screw rod through threads until the bottom surface of the lower hexagonal sleeve is abutted with the installation surface of external equipment;
s3, adopting two wrenches, wherein one wrench is matched with the lower hexagonal sleeve 1, and the other wrench is matched with the upper hexagonal sleeve 2;
s4, rotating the upper hexagonal sleeve 2 through a corresponding wrench, and clamping each floating unit 7 into the auxiliary groove 82;
s5, the inner diameter between the trapezoid blocks 5 is reduced, the first internal thread 3 presses the external thread of the external bolt, and the relative positions of the upper hexagonal sleeve 2 and the lower hexagonal sleeve 1 are fixed;
s6, locking the locking nut is completed.
In this embodiment of the present application, since the above-mentioned structure and method are adopted, when the upper hexagonal sleeve 2 is rotated alone, the main groove 81 corresponds to the corresponding floating insert 72 first, the upper end of the floating insert 72 is inserted into the corresponding main groove 81 under the action of the spring, the guide slope 76 at the top end of the floating insert 72 cooperates with the inclined inner wall of the main groove 81 adjacent to the sub groove 82 as the upper hexagonal sleeve 2 continues to rotate, the insert rod simultaneously descends to abut against the mounting surface of the external device, the upper hexagonal sleeve 2 continues to rotate, the distance between the insert rod and the lower hexagonal sleeve 1 is reduced during rotation until the top end of the floating insert 72 corresponds to the sub groove 82, the corresponding spring releases elastic potential energy, the floating insert 72 is inserted into the sub groove 82, and the insert rod slightly ascends to reduce the deformation amount of the mounting surface of the external device, but at this time, the lower end of the insert rod still partially embeds into the mounting surface of the external device.
It should be noted that, in this document, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (10)
1. A lock nut, comprising:
the inner ring of the lower hexagonal sleeve (1) is provided with a first internal thread (3);
an upper hexagonal sleeve (2) is provided with a trapezoid internal thread (4) at the inner ring;
the trapezoid block (5) is fixedly connected to the top surface of the lower hexagonal sleeve (1) along the circumferential interval, trapezoid external threads (6) are arranged on the peripheral wall, the first internal threads (3) extend to the inner side walls of the trapezoid blocks (5), and the first internal threads (3) extend to the inner side walls of the trapezoid blocks (5).
2. A lock nut as claimed in claim 1, further comprising:
the floating units (7) are arranged on the top surface of the lower hexagonal sleeve (1) at intervals along the circumferential direction;
the clamping grooves (8) are arranged on the peripheral wall of the upper hexagonal sleeve (2) at intervals along the circumferential direction;
wherein each floating unit (7) can be in plug-in fit with a corresponding clamping groove (8).
3. A lock nut as claimed in claim 2, characterized in that said floating unit (7) comprises:
a floating groove (71) which is arranged on the top surface of the lower hexagonal sleeve (1);
a floating plug (72) floatably inserted in the floating groove (71);
an elastic member (73) provided at the bottom of the floating plug (72);
wherein, the top end of the floating plug block (72) can be in plug-in fit with a corresponding clamping groove (8).
4. A lock nut as claimed in claim 3, wherein:
the elastic piece (73) is a spring.
5. A lock nut according to claim 3, characterized in that the floating unit (7) further comprises:
a through hole (74) provided at the bottom end of the floating groove (71) and having both ends penetrating;
a restricting plug-in lever (75) which is inserted in the through hole (74) in a floating manner;
wherein the upper end of the limiting inserted rod (75) passes through the elastic piece (73) to be fixedly connected with the floating inserted block (72).
6. A lock nut as claimed in claim 3, further comprising:
and a guide slope (76) provided on the top end of the outer peripheral wall of the floating plug (72).
7. A lock nut as claimed in claim 2, characterized in that the clamping groove (8) comprises:
the main groove body (81) is arranged on the bottom surface of the upper hexagonal sleeve (2);
wherein the groove body is rectangular and long, and is communicated with the outer wall and the inner wall of the upper hexagonal sleeve (2).
8. A lock nut as claimed in claim 7, characterized in that said clamping groove (8) further comprises:
the auxiliary groove body (82) is arranged on the bottom surface of the upper hexagonal sleeve (2) and is communicated with one side of the main groove body (81);
the depth of the auxiliary groove body (82) is smaller than that of the main groove body (81), and the lower end of the side surface of the main groove body (81) connected with the auxiliary groove body (82) extends obliquely to the auxiliary groove body (82).
9. A lock nut as claimed in claim 8, characterized in that said clamping groove (8) further comprises:
a stop bar (83) fixedly connected to one side of the auxiliary groove body (82) adjacent to the main groove body (81);
wherein, the side of the baffle strip (83) facing the main groove body (81) is smoothly connected with the corresponding side wall of the main groove body (81).
10. A method of locking a lock nut as defined in claim 9, comprising the steps of:
s1, matching the upper hexagonal sleeve (2) with trapezoid external threads (6) on each trapezoid block (5) through trapezoid internal threads (4), and preliminarily connecting the upper hexagonal sleeve with the lower hexagonal sleeve (1);
s2, installing the lower hexagonal sleeve (1) on an external screw rod through threads until the bottom surface of the lower hexagonal sleeve is abutted with the installation surface of external equipment;
s3, adopting two wrenches, wherein one wrench is matched with the lower hexagonal sleeve (1) and the other wrench is matched with the upper hexagonal sleeve (2);
s4, rotating the upper hexagonal sleeve (2) through a corresponding wrench, and clamping each floating unit (7) into the auxiliary groove body (82);
s5, the inner diameter between the trapezoid blocks (5) is reduced, the first internal thread (3) compresses the external thread of the external bolt, and the relative positions of the upper hexagonal sleeve (2) and the lower hexagonal sleeve (1) are fixed;
s6, locking the locking nut is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311424227.4A CN117212323A (en) | 2023-10-30 | 2023-10-30 | Lock nut and locking application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311424227.4A CN117212323A (en) | 2023-10-30 | 2023-10-30 | Lock nut and locking application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117212323A true CN117212323A (en) | 2023-12-12 |
Family
ID=89049545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311424227.4A Pending CN117212323A (en) | 2023-10-30 | 2023-10-30 | Lock nut and locking application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117212323A (en) |
-
2023
- 2023-10-30 CN CN202311424227.4A patent/CN117212323A/en active Pending
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