CN219529531U - Split self-locking nut and mechanical equipment - Google Patents
Split self-locking nut and mechanical equipment Download PDFInfo
- Publication number
- CN219529531U CN219529531U CN202320216618.6U CN202320216618U CN219529531U CN 219529531 U CN219529531 U CN 219529531U CN 202320216618 U CN202320216618 U CN 202320216618U CN 219529531 U CN219529531 U CN 219529531U
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- arc
- threaded
- nut
- ring nut
- locking nut
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Abstract
The utility model provides a split self-locking nut and mechanical equipment. The split self-locking nut is provided with at least two arc-shaped threaded pieces, the arc-shaped threaded pieces can be connected end to form an annular nut, the arc-shaped threaded pieces can be connected in a detachable mode through detachable fixing pieces, the annular nut formed by the arc-shaped threaded pieces is used in a hydraulic oil cylinder device and other devices of mechanical equipment, when the annular nut moves on a screw rod, if impurities exist between threads of the screw rod and threads of the annular nut to cause the annular nut to be clamped firmly, the detachable fixing pieces can be disconnected with the arc-shaped threaded pieces, the annular nut can be detached from the screw rod quickly, impurities among the threads can be removed cleanly, the normal use efficiency of the nut can be effectively improved, and the working efficiency and the service life of the mechanical equipment can be guaranteed; meanwhile, the detachable fixing piece can drive the end parts of the adjacent arc-shaped threaded pieces to be close to each other, so that the ring nut is fully meshed with the screw rod, and the working stability of the ring nut on the screw rod is effectively improved.
Description
Technical Field
The utility model relates to the technical field of screw fastening devices, in particular to a split self-locking nut and mechanical equipment.
Background
In equipment with screw thread self-locking, such as a hydraulic oil cylinder device of mechanical equipment, the nut rotates along the screw rod to realize self-locking, so that the normal operation of the mechanical equipment is ensured.
However, the impurities in the working environment of the mechanical equipment are more, the impurities such as greasy dirt or scraps easily enter the screw threads between the nut and the screw rod, the situation that the nut is clamped firmly due to the impurities existing between the screw threads often occurs, the impurities are cleaned to recover the normal use of the nut, and the working efficiency and the service life of the mechanical equipment are seriously affected.
Disclosure of Invention
The utility model solves the problem of improving the convenience of impurity cleaning when the nut is clamped firmly due to impurities existing between the threads of the nut, so as to improve the normal use efficiency of the recovered nut, ensure the working efficiency of mechanical equipment and prolong the service life.
In order to solve the above problems, the present utility model provides a split self-locking nut, comprising:
the arc-shaped threaded pieces are at least two and are used for being connected end to end in sequence to form a ring nut;
and the detachable fixing pieces are used for driving the end parts of the adjacent arc-shaped threaded pieces to be close to or away from each other so as to increase or decrease the inner diameter of the ring nut.
Compared with the prior art, the split self-locking nut has the beneficial effects that: the device comprises at least two arc threaded pieces, wherein the arc threaded pieces can be connected end to form an annular nut, the arc threaded pieces can be connected in a detachable mode through detachable fixing pieces, the annular nut formed by the arc threaded pieces is used in a hydraulic oil cylinder device and other devices of mechanical equipment, when the annular nut moves on a screw rod, if impurities exist between threads of the screw rod and the threads of the annular nut to cause the annular nut to be clamped firmly, the detachable fixing pieces can be disconnected with the arc threaded pieces, so that the arc threaded pieces are separated, the annular nut is quickly detached from the screw rod, impurities between the threads are conveniently removed in a cleaning mode, the normal use efficiency of the nut is effectively improved, adverse effects of the impurities on normal use of the mechanical equipment are avoided, and therefore the working efficiency and the service life of the mechanical equipment are guaranteed; meanwhile, when the detachable fixing piece is detachably connected with the two arc threaded pieces, the end parts of the arc threaded pieces can be driven to be close to or deviate from each other, so that the inner diameter of the ring nut can be increased or reduced, when the ring nut is sleeved on the screw rod, the end parts of the adjacent arc threaded pieces can be driven to be close to each other by the detachable fixing piece, so that the inner diameter of the ring nut is reduced, threads on the inner wall of the ring nut are fully meshed with threads of the screw rod, the stability of the ring nut in work on the screw rod is effectively improved, and when the ring nut is required to be moved quickly or impurities are removed, the end parts of the adjacent arc threaded pieces can be driven to deviate from each other by the detachable fixing piece, so that the inner diameter of the ring nut is increased.
Optionally, the detachable fixing piece comprises a fastening screw, one end of the arc-shaped threaded piece is provided with a threaded mounting hole, the other end of the arc-shaped threaded piece is provided with a threaded fixing hole, in the ring nut, the threaded mounting holes of two adjacent arc-shaped threaded pieces correspond to the threaded fixing holes, and the fastening screw is used for penetrating through the threaded mounting holes and is installed in the threaded fixing holes and is parallel to a tangent line of the ring nut.
Optionally, the two ends of the arc threaded piece are respectively provided with a first limiting part and a second limiting part, and in the ring nut, the first limiting part of one arc threaded piece is used for being detachably connected with the second limiting part of the adjacent arc threaded piece.
Optionally, the first limiting portion includes at least one mounting groove, and the second limiting portion includes at least one mounting block, and the mounting block is used for being correspondingly placed in the mounting groove.
Alternatively, the mounting block may have a polygonal cross-sectional shape in a cross-section parallel to the axial end face of the ring nut, and may have one of a circular shape and a polygonal cross-sectional shape in a cross-section perpendicular to the axial end face of the ring nut.
Optionally, the first limiting portion includes a first thread, and the second limiting portion includes a second thread, and the first thread is configured to engage with the second thread.
Optionally, the thread line of first screw thread sets up along first direction, and a plurality of the thread line sets up along the second direction interval, first direction with contained angle between the second direction is greater than 0 degrees, first direction with the second direction all with the terminal surface of arc screw member is parallel.
Optionally, the split self-locking nut further comprises a fastening screw, a thread groove is formed at the end part of the arc-shaped threaded piece, in the ring nut, two adjacent arc-shaped threaded pieces are correspondingly formed into fastening screw holes, and the fastening screw is arranged in the fastening screw holes and moves towards or away from the fastening screw holes so as to drive the adjacent arc-shaped threaded pieces to be close to or away from each other.
Optionally, at least one fastening hole is formed in the outer wall of the arc-shaped threaded piece along the arc direction, so that at least two fastening holes distributed at intervals along the circumferential direction are formed in the outer wall of the ring nut, and the fastening holes are used for penetrating into fastening rods so as to drive the ring nut to rotate along the circumferential direction.
On the other hand, the utility model also provides mechanical equipment, which comprises the split self-locking nut.
Compared with the prior art, the mechanical equipment has the same beneficial effects as the split self-locking nut, and the description is omitted here.
Drawings
FIG. 1 is a schematic view of a split self-locking nut according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a split self-locking nut according to another embodiment of the present utility model;
FIG. 3 is a schematic view of a split self-locking nut according to another embodiment of the present utility model;
fig. 4 is a schematic structural view of an arcuate screw member according to another embodiment of the present utility model.
Reference numerals illustrate:
1-an arc-shaped screw; 11-a threaded mounting hole; 12-a threaded fixing hole; 2-a detachable fixing member; 13-a first limit part; 14-a second limiting part; 15-tightening screw holes; 16-fastening holes.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the coordinate system XYZ provided herein, the forward direction of the X axis represents the right direction, the reverse direction of the X axis represents the left direction, the forward direction of the Y axis represents the rear direction, the reverse direction of the Y axis represents the front direction, the forward direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
In one aspect, a real-time embodiment of the present utility model provides a split self-locking nut, including: the arc-shaped threaded piece 1 is provided with at least two arc-shaped threaded pieces 1 and is used for forming a ring nut in a sequential end-to-end connection mode; and the detachable fixing piece 2, wherein in the ring nut, two adjacent arc-shaped threaded pieces 1 are detachably connected through the detachable fixing piece 2, and the detachable fixing piece 2 is used for driving the end parts of the adjacent arc-shaped threaded pieces 1 to be close to or away from each other so as to increase or reduce the inner diameter of the ring nut.
In this embodiment, as shown in fig. 1 and fig. 2, at least two arc threaded pieces 1 are provided, the arc threaded pieces 1 can be connected end to form a ring nut, and the arc threaded pieces 1 can be detachably connected through a detachable fixing piece 2, so that when the ring nut composed of the arc threaded pieces 1 is used in a hydraulic cylinder device and other devices of a mechanical device, and the ring nut moves on a screw rod, if impurities exist between threads of the screw rod and threads of the ring nut to cause the clamping of the ring nut, the connection between the detachable fixing piece 2 and the arc threaded pieces 1 can be released, so that a plurality of arc threaded pieces 1 are separated, the ring nut is quickly detached from the screw rod, impurities between the threads are conveniently removed in a cleaning manner, the normal use efficiency of the nut is effectively improved, the normal use of the mechanical device is avoided, the adverse effect of the impurities is further ensured, and the working efficiency and the service life of the mechanical device are improved.
Meanwhile, when the detachable fixing piece 2 is detachably connected with the two arc threaded pieces 1, the end parts of the arc threaded pieces 1 can be driven to be close to or away from each other, so that the inner diameter of the ring nut can be increased or reduced, when the ring nut is sleeved on the screw rod, the end parts of the adjacent arc threaded pieces 1 can be driven to be close to each other by the detachable fixing piece 2, so that the inner diameter of the ring nut is reduced, threads on the inner wall of the ring nut are fully meshed with the threads of the screw rod, the stability of the ring nut in work on the screw rod is effectively improved, and when the ring nut needs to be rapidly moved or impurities are removed, the end parts of the adjacent arc threaded pieces 1 can be driven to be away from each other by the detachable fixing piece 2, so that the inner diameter of the ring nut is increased.
Optionally, the detachable fixing member 2 includes a fastening screw, one end of the arc-shaped screw member 1 is provided with a screw mounting hole 11, the other end of the arc-shaped screw member 1 is provided with a screw fixing hole 12, in the ring nut, the screw mounting holes 11 of two adjacent arc-shaped screw members 1 correspond to the screw fixing holes 12, and the fastening screw is used to pass through the screw mounting holes 11 and is installed in the screw fixing holes 12 and is parallel to a tangent line of the ring nut.
In this embodiment, as shown in fig. 1 and 2, a fastening screw is provided as the detachable fixing member 2, and a threaded mounting hole 11 and a threaded fixing hole 12 are respectively provided at two ends of the arc threaded member 1, when the arc threaded member 1 is spliced into a ring nut, the adjacent threaded mounting holes 11 and the threaded fixing holes 12 are corresponding, the fastening screw can pass through the threaded mounting holes 11 and be mounted in the threaded fixing holes 12, thereby realizing detachable connection between the arc threaded members 1, and after the fastening screw is mounted, the length direction of the fastening screw is parallel to the tangent line of the ring nut, thereby ensuring structural stability in the moving process of the ring nut, and when the arc threaded members 1 need to approach or depart from each other, the mutual approach or departure between the arc threaded members 1 can be realized by only adjusting the length of the part of the fastening screw in the threaded fixing holes 12.
In the present embodiment, a boss is provided on the inner wall of the screw mounting hole 11, and after the fastening screw is mounted, the boss abuts against the nut of the fastening screw.
Unlike the above embodiment, the two ends of the arc-shaped threaded member 1 are respectively provided with a first limiting portion 13 and a second limiting portion 14, and in the ring nut, the first limiting portion 13 of one arc-shaped threaded member 1 is used for detachably connecting with the second limiting portion 14 of the adjacent other arc-shaped threaded member 1.
As shown in fig. 3 and 4, in this embodiment, the first limiting portion 13 and the second limiting portion 14 are respectively disposed at two ends of the arc threaded member 1, and the first limiting portion 13 may be detachably connected with the second limiting portion 14, so that when the two arc threaded members 1 are connected end to end, the first limiting portion 13 may be connected with the second limiting portion 14, thereby being matched with the detachable fixing member 2, realizing stable connection between the arc threaded members 1, and ensuring the stability of use of the ring nut.
Optionally, the first limiting portion 13 includes at least one mounting groove, and the second limiting portion 14 includes at least one mounting block for being correspondingly placed in the mounting groove.
In this embodiment, as shown in fig. 3 and 4, the first limiting portion 13 is formed by at least one mounting groove, and the second limiting portion 14 is formed by at least one mounting block, and the mounting block can be placed in the mounting groove, so that when two arc threaded members 1 are connected with each other, the mounting block is placed in the mounting groove, and the connection stability of the arc threaded members 1 is improved, and meanwhile, the positioning function is also achieved, the accuracy of the connection between the arc threaded members 1 is ensured, and the structural accuracy of the ring nut is ensured.
Alternatively, the mounting block has a polygonal cross-sectional shape in a cross-section parallel to the axial end face of the ring nut, and has one of a circular shape and a polygonal cross-sectional shape in a cross-section perpendicular to the axial end face of the ring nut.
In this embodiment, as shown in fig. 3 and 4, the axial end face of the ring nut is XY plane, and the section perpendicular to the axial end face of the ring nut is YZ plane.
In this embodiment, as shown in fig. 3 and 4, the installation block may be set to be rectangular, and the inner space of the installation groove may be set to be rectangular, so that the installation block is placed in the installation groove. Of course, in other embodiments of the present utility model, the mounting block may be provided in other shapes such as triangular prism, triangular pyramid, or cylinder, and the shape of the inner space of the mounting groove is matched with the shape of the mounting block accordingly.
Optionally, the first limiting portion 13 includes a first thread and the second limiting portion 14 includes a second thread, the first thread being for engagement with the second thread.
In this embodiment, the first thread may be set as the first limiting portion 13, the second thread may be set as the second limiting portion 14, and the first thread may be engaged with the second thread, so that when the arc-shaped threaded members 1 are connected to each other, an engaged thread structure is formed at the connection portion, so that stability when the first limiting portion 13 is connected to the second limiting portion 14 is effectively improved, and further structural stability of the ring nut is improved.
Optionally, the thread lines of the first threads are arranged along a first direction, the plurality of thread lines are arranged at intervals along a second direction, an included angle between the first direction and the second direction is greater than 0 degree, and the first direction and the second direction are parallel to the end face of the arc-shaped threaded piece 1.
In this embodiment, the included angle between the first direction and the second direction is 90 degrees, and the end face of the arcuate screw member 1 is a YZ plane.
The first limiting portion 13 has an end face parallel to the end face of the arcuate screw member 1, and the first thread is provided on the end face of the first limiting portion 13.
In this embodiment, the threads are arranged along the first direction, and the plurality of threads are arranged at intervals along the second direction, so that the end of the arc-shaped threaded piece 1 is fully paved with the threads to form the first threads and the second threads, and the contact area and the structural stability of the end of the arc-shaped threaded piece 1 are improved.
Optionally, the split self-locking nut further comprises a fastening screw, the end parts of the arc threaded pieces 1 are provided with thread grooves, in the ring nut, the thread grooves of two adjacent arc threaded pieces 1 correspondingly form fastening screw holes 15, and the fastening screw is arranged in the fastening screw holes 15 and moves towards or away from the fastening screw holes 15 so as to drive the adjacent arc threaded pieces 1 to be close to or away from each other.
In this embodiment, as shown in fig. 1 to 4, a thread groove is further formed at the end of the arc threaded member 1, when the end of the two arc threaded members 1 are connected with each other, a fastening thread hole 15 is formed between the two arc threaded members 1 by the two thread grooves, and a fastening screw can be inserted into the fastening thread hole 15, so that when the inner diameter of the ring nut needs to be adjusted, only forward and reverse rotation of the fastening screw is needed, and the diameter of the fastening screw is smaller, and the fastening screw can be suitable for accurate adjustment of the inner diameter of the ring nut, thereby further improving the meshing precision of the ring nut and the screw rod.
Optionally, at least one fastening hole 16 is formed on the outer wall of the arc-shaped screw member 1 along the arc direction, so as to form at least two fastening holes 16 arranged at intervals along the circumferential direction on the outer wall of the ring nut, and the fastening holes 16 are used for penetrating fastening rods so as to drive the ring nut to rotate along the circumferential direction.
In this embodiment, as shown in fig. 1 to 4, at least one fastening hole 16 is formed on the outer wall of the arcuate screw member 1 along the arcuate direction, so that after the ring nut is formed, at least two fastening holes 16 are formed on the outer wall of the ring nut along the circumferential direction, and the fastening holes 16 can penetrate into fastening rods, and the arm of force for rotating the ring nut is extended by the fastening rods, thereby enabling the ring nut to be rapidly rotated at a plurality of angles and effectively improving the convenience of adjusting the ring nut.
In another aspect, an embodiment of the present utility model provides a mechanical device, including the split self-locking nut described above.
As shown in fig. 1 to 4, the technical effects of the mechanical device in the present embodiment are similar to those of the split self-locking nut described above, and will not be described again.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. A split self-locking nut, comprising:
the arc-shaped threaded piece (1), wherein the arc-shaped threaded piece (1) is provided with at least two and is used for forming a ring nut in a sequential end-to-end connection mode;
and the detachable fixing pieces (2) are arranged in the ring nut, two adjacent arc threaded pieces (1) are used for being detachably connected through the detachable fixing pieces (2), and the detachable fixing pieces (2) are used for driving the end parts of the adjacent arc threaded pieces (1) to be close to or away from each other so as to increase or reduce the inner diameter of the ring nut.
2. Split self-locking nut according to claim 1, characterized in that the detachable fixing member (2) comprises a fastening screw, one end of the arc-shaped threaded member (1) is provided with a threaded mounting hole (11), the other end of the arc-shaped threaded member (1) is provided with a threaded fixing hole (12), in the ring nut, the threaded mounting holes (11) of two adjacent arc-shaped threaded members (1) correspond to the threaded fixing holes (12), and the fastening screw is used for penetrating through the threaded mounting holes (11) and being mounted in the threaded fixing holes (12) and is parallel to a tangent line of the ring nut.
3. Split self-locking nut according to claim 1, characterized in that the two ends of the arcuate threaded members (1) are provided with a first limit portion (13) and a second limit portion (14), respectively, and in the ring nut, the first limit portion (13) of one arcuate threaded member (1) is adapted to be detachably connected with the second limit portion (14) of the adjacent other arcuate threaded member (1).
4. A split self-locking nut according to claim 3, characterized in that the first limit portion (13) comprises at least one mounting groove and the second limit portion (14) comprises at least one mounting block for corresponding placement in the mounting groove.
5. The split self-locking nut according to claim 4, wherein the mounting block has a polygonal cross-sectional shape in a cross-section parallel to an axial end face of the ring nut, and wherein the mounting block has one of a circular shape and a polygonal cross-sectional shape in a cross-section perpendicular to the axial end face of the ring nut.
6. A split self-locking nut according to claim 3, characterized in that the first limit part (13) comprises a first thread and the second limit part (14) comprises a second thread, the first thread being intended to engage with the second thread.
7. The split self-locking nut according to claim 6, wherein the thread lines of the first thread are arranged along a first direction, a plurality of the thread lines are arranged at intervals along a second direction, an included angle between the first direction and the second direction is larger than 0 degrees, and the first direction and the second direction are parallel to the end face of the arc-shaped threaded piece (1).
8. Split self-locking nut according to any one of claims 1 to 7, further comprising a tightening screw, the ends of the arcuate screws (1) being provided with screw grooves, in which screw grooves of adjacent two of the arcuate screws (1) are correspondingly formed into tightening screw holes (15), the tightening screw being arranged in a tightening screw hole (15) and being moved towards or away from the tightening screw hole (15) for driving adjacent arcuate screws (1) towards or away from each other.
9. Split self-locking nut according to any one of claims 1 to 7, characterized in that at least one fastening hole (16) is provided in the outer wall of the arcuate screw member (1) in the arcuate direction to form at least two of said fastening holes (16) arranged at intervals in the circumferential direction on the outer wall of the ring nut, said fastening holes (16) being internally adapted to penetrate fastening rods to drive the ring nut in rotation in the circumferential direction.
10. A mechanical device comprising a split self-locking nut according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216618.6U CN219529531U (en) | 2023-02-08 | 2023-02-08 | Split self-locking nut and mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216618.6U CN219529531U (en) | 2023-02-08 | 2023-02-08 | Split self-locking nut and mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529531U true CN219529531U (en) | 2023-08-15 |
Family
ID=87631746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320216618.6U Active CN219529531U (en) | 2023-02-08 | 2023-02-08 | Split self-locking nut and mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529531U (en) |
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2023
- 2023-02-08 CN CN202320216618.6U patent/CN219529531U/en active Active
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