CN214036452U - Fixed-torque nut assembly - Google Patents
Fixed-torque nut assembly Download PDFInfo
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- CN214036452U CN214036452U CN202023121504.9U CN202023121504U CN214036452U CN 214036452 U CN214036452 U CN 214036452U CN 202023121504 U CN202023121504 U CN 202023121504U CN 214036452 U CN214036452 U CN 214036452U
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Abstract
The utility model discloses a decide moment of torsion nut assembly relates to and decides the moment of torsion nut field. The utility model comprises a threaded rod, a connecting part and a rotating part, wherein the connecting part is fixedly connected with the top of the threaded rod, and the rotating part is positioned at the top of the connecting part; the connecting part is in a flat cylinder shape, placing groove positions are arranged on two sides of the connecting part, and movable clamping pieces are fixedly sleeved in the placing groove positions; the movable clamping piece comprises a placing block, a spring, a movable block and a wedge-shaped block, wherein a movable groove is formed in one side surface of the placing block, the spring and the movable block are movably sleeved inside the movable groove, one end of the spring is abutted to the movable block, the other end of the spring is abutted to the inner wall of the movable groove, and two inner side walls at the periphery of the movable groove are formed into a limiting block. The utility model discloses a rotate to rotate the top that drives rotation portion at connecting portion and rotate, after torsion reached the setting value, support the piece to the inclined plane extrusion and promote the wedge shrink to the activity trench in, reach and loosen the purpose to simple structure, the die sinking degree of difficulty is less.
Description
Technical Field
The utility model belongs to the technical field of decide the moment of torsion nut, especially, relate to a decide moment of torsion nut component.
Background
Decide the moment of torsion nut subassembly and can effectively prevent that locking force is too big and destroy the structure, the ratchet nut subassembly just is one kind of deciding the moment of torsion nut subassembly, the principle is in the middle of with interior rotating member nestification in outer rotating member, design ratchet pawl structure between the two, outer rotating member drives interior rotating member and rotates together during forward rotation, reach the purpose of locking, and when torsion reaches the setting value, the ratchet pawl can be partd by force and make outer rotating member no longer drive interior rotating member and rotate, outer rotating member drives interior rotating member and rotates together during reverse rotation, reach and loosen the purpose.
The ratchet and pawl structure between the inner rotating piece and the outer rotating piece of the ratchet nut assembly is small in size and high in precision, a cutting groove needs to be formed in the outer rotating piece to provide the possibility of deformation of the ratchet and pawl, the structure is complex, the die opening difficulty is high, and the use requirement is not met.
In order to solve the problem, the utility model provides a decide moment of torsion nut assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a decide moment of torsion nut assembly, it is comparatively complicated to solve some current decide moment of torsion nut assembly structures, the big problem of the die sinking degree of difficulty.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a constant torque nut component, which comprises a threaded rod, a connecting part and a rotating part, wherein the connecting part is fixedly connected with the top of the threaded rod, and the rotating part is positioned at the top of the connecting part;
the connecting part is in a flat cylinder shape, placing groove positions are formed in two sides of the connecting part, and movable clamping pieces are fixedly sleeved in the placing groove positions;
the movable clamping piece comprises a placing block, a spring, a movable block and a wedge-shaped block, wherein a movable groove is formed in the surface of one side of the placing block, the spring and the movable block are movably sleeved inside the movable groove, one end of the spring abuts against the movable block, the other end of the spring abuts against the inner wall of the movable groove, two inner side walls at the peripheral edge of the movable groove are formed with limiting blocks, the wedge-shaped block is formed on one side of the movable block, and the wedge-shaped block penetrates through an opening formed by the two limiting blocks and extends to the outside of the movable groove;
circular trench has been seted up to the bottom of rotation portion, the interior roof fixedly connected with pivot of circular trench, the pivot is rotated and is connected the upper surface at connecting portion, the inside week lateral wall shaping of circular trench has two to support the piece, just support piece and wedge looks adaptation.
Preferably, a side of activity trench sets up to the inclined plane, another side sets up to the plane vertical with connecting portion upper surface, supports the piece and can promote the wedge after the inclined plane of wedge contacts, makes the wedge drive the threaded rod and rotates and with the threaded rod screw in, after torsion reaches the setting value, supports the piece and extrudees the inclined plane and promote the wedge and shrink to the activity trench in, and then makes the rotation portion no longer drive connecting portion and rotate, the contra-rotation changes the handle, support the piece and the plane of wedge and contact each other, can drive the threaded rod and rotate.
Preferably, the upper surface shaping of rotation portion has the fixed block, one side activity of fixed block articulates there is the commentaries on classics handle, it is the hemicyclic annular to change the handle, and the setting of changeing the handle can make things convenient for the operator to rotate rotation portion.
Preferably, the outer diameter of the rotating handle is equal to the diameter of the rotating part, and the inner diameter of the rotating handle is equal to the diameter of the fixed block, so that the rotating handle can be flatly placed on the upper surface of the rotating part, and further, the rotating handle can be accommodated.
Preferably, a protruding block is formed on one side of the rotating handle, the protruding block exceeds the edge of the rotating portion and is in a suspended state, and the rotating portion is rotated by poking the protruding block.
Preferably, the connecting portion are located inside the circular groove, and the abutting block is close to the peripheral side face of the connecting portion, so that the contact surface between the abutting block and the wedge-shaped block can be increased, and the stress effect is better.
Preferably, the two groups of movable clamping pieces are distributed on two sides of the rotating part in a circular array, and after a set torsion value is reached, the rotating handle is rotated to drive the abutting blocks to sequentially extrude the two inclined planes.
The utility model discloses following beneficial effect has:
1. the utility model discloses a rotate to rotate the top that drives rotation portion at connecting portion to support and can promote the wedge after the inclined plane of wedge contacts, make the wedge drive the threaded rod and rotate and with threaded rod screw in, after torsion reaches the setting value, support the piece to the inclined plane extrusion and promote the wedge shrink to the activity trench in, and then make rotation portion no longer drive connecting portion and rotate, reach and loosen the purpose, and simple structure is reasonable, and the die sinking degree of difficulty is less.
2. The utility model discloses be provided with and change the handle, change and be the hemicycle, can will change through stirring the lug and mention, the setting of changeing the handle can make things convenient for the operator to rotate the rotation portion, changes the upper surface that can keep flat in the rotation portion, and then the convenience is accomodate changeing.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the connecting portion of the present invention;
fig. 3 is a schematic bottom structure view of the rotating part of the present invention;
fig. 4 is a schematic view of the movable fastener of the present invention;
FIG. 5 is a schematic view of the bottom connection structure of the connection portion and the rotation portion of the present invention;
fig. 6 is a schematic structural view of the rotating handle of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1. a threaded rod; 2. a connecting portion; 21. placing a slot position; 3. a rotating part; 31. a circular slot position; 32. a rotating shaft; 33. a resisting block; 34. a fixed block; 35. turning a handle; 351. a bump; 4. a movable fastener; 41. placing the blocks; 411. a movable slot position; 412. a limiting block; 42. a spring; 43. a movable block; 44. a wedge block; 441. a bevel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention relates to a constant torque nut assembly, which includes a threaded rod 1, a connecting portion 2 and a rotating portion 3, wherein the connecting portion 2 is fixedly connected to the top of the threaded rod 1, and the rotating portion 3 is located at the top of the connecting portion 2;
the connecting part 2 is in a flat cylindrical shape, the two sides of the connecting part 2 are both provided with a placing groove 21, and the inside of the placing groove 21 is fixedly sleeved with a movable clamping piece 4;
the movable clamping piece 4 comprises a placing block 41, a spring 42, a movable block 43 and a wedge-shaped block 44, wherein a movable slot 411 is formed in the surface of one side of the placing block 41, the spring 42 and the movable block 43 are movably sleeved inside the movable slot 411, one end of the spring 42 abuts against the movable block 43, the other end of the spring abuts against the inner wall of the movable slot 411, two inner side walls at the periphery of the movable slot 411 are formed with limiting blocks 412, the wedge-shaped block 44 is formed on one side of the movable block 43, and the wedge-shaped block 44 penetrates through an opening formed by the two limiting blocks 412 and extends to the outside of the movable slot 411;
Wherein, a side of the movable slot 411 is set as an inclined plane 441, the other side is set as a plane vertical to the upper surface of the connecting part 2, the supporting block 33 can push the wedge block 44 after contacting with the inclined plane 441 of the wedge block 44, so that the wedge block 44 drives the threaded rod 1 to rotate and screws the threaded rod 1 into the threaded hole, when the torque force reaches a set value, the supporting block 33 extrudes the inclined plane 441 and pushes the wedge block 44 to contract into the movable slot 411, and further the rotating part 3 does not drive the connecting part 2 to rotate, the rotating handle 35 rotates in the reverse direction, the supporting block 33 contacts with the plane of the wedge block 44, and the threaded rod 1 can be driven to rotate in the reverse direction.
Wherein, the upper surface shaping of rotation portion 3 has fixed block 34, and one side activity of fixed block 34 articulates there is the commentaries on classics handle 35, changes the handle 35 and is the hemicyclic form, changes the setting of handle 35 and can make things convenient for the operator to rotate rotation portion 3.
The outer diameter of the rotating handle 35 is equal to the diameter of the rotating part 3, and the inner diameter of the rotating handle 35 is equal to the diameter of the fixed block 34, so that the rotating handle 35 can be flatly placed on the upper surface of the rotating part 3, and the rotating handle 35 can be accommodated.
Wherein, the one side shaping of rotating handle 35 has lug 351, and lug 351 surpasss the edge of rotating part 3 and is unsettled state, rotates rotating part 3 through stirring lug 351.
Wherein, connecting portion 2 is located inside circular trench 31, and supports the piece 33 and press close to the week side of connecting portion 2, and then can increase and support the contact surface of piece 33 and wedge 44, and the atress effect is better.
Wherein, two groups of movable fasteners 4 are distributed on two sides of the rotating part 3 in a circular array, and after a set torque value is reached, the rotating handle 35 is rotated to drive the abutting block 33 to sequentially extrude the two inclined surfaces 441.
As shown in fig. 1-6, the present embodiment is a method of using a constant torque nut assembly: insert threaded rod 1 in the screw of waiting to lock the structure, rotate handle 35 through rotating and drive rotation portion 3 and rotate at the top of connecting portion 2, and support piece 33 and can promote wedge 44 after the inclined plane 441 of wedge 44 contacts, make wedge 44 drive threaded rod 1 and rotate and screw in threaded rod 1 in the screw, after torsion reaches the setting value, support piece 33 extrudees inclined plane 441 and promotes wedge 44 and contract to activity trench 411, and then make rotation portion 3 no longer drive connecting portion 2 and rotate, reach and loosen the mesh, reverse rotation rotates handle 35, support piece 33 and the plane of wedge 44 and contact each other, can drive threaded rod 1 and rotate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A fixed torque nut assembly comprises a threaded rod (1), a connecting part (2) and a rotating part (3), and is characterized in that the connecting part (2) is fixedly connected to the top of the threaded rod (1), and the rotating part (3) is located at the top of the connecting part (2);
the connecting part (2) is in a flat cylinder shape, placing groove positions (21) are formed in the two sides of the connecting part (2), and movable clamping pieces (4) are fixedly sleeved in the placing groove positions (21);
the movable clamping piece (4) comprises a placing block (41), a spring (42), a movable block (43) and a wedge-shaped block (44), wherein a movable groove (411) is formed in the surface of one side of the placing block (41), the spring (42) and the movable block (43) are movably sleeved in the movable groove (411), one end of the spring (42) abuts against the movable block (43), the other end of the spring abuts against the inner wall of the movable groove (411), two inner side walls at the periphery of the movable groove (411) are formed into limiting blocks (412), the wedge-shaped block (44) is formed on one side of the movable block (43), and the wedge-shaped block (44) penetrates through an opening formed by the two limiting blocks (412) and extends to the outside of the movable groove (411);
circular trench (31) have been seted up to the bottom of rotation portion (3), interior roof fixedly connected with pivot (32) of circular trench (31), pivot (32) rotate the upper surface of connecting in connecting portion (2), the inside week lateral wall shaping of circular trench (31) has two to support piece (33), just support piece (33) and wedge (44) looks adaptation.
2. A constant torque nut assembly according to claim 1, characterized in that one side of the slot (411) is provided as a ramp (441) and the other side is provided as a plane perpendicular to the upper surface of the connecting portion (2).
3. The constant-torque nut assembly according to claim 1, wherein a fixed block (34) is formed on the upper surface of the rotating portion (3), a rotating handle (35) is movably hinged to one side of the fixed block (34), and the rotating handle (35) is semi-annular.
4. A constant torque nut assembly according to claim 3, characterized in that the outer diameter of said rotating grip (35) is equal to the diameter of the rotating portion (3), and the inner diameter of said rotating grip (35) is equal to the diameter of the fixed block (34).
5. A constant torque nut assembly according to claim 4, characterized in that a protrusion (351) is formed on one side of the rotating handle (35), and the protrusion (351) is protruded beyond the edge of the rotating part (3) and is in a suspended state.
6. A constant torque nut assembly according to claim 1, characterized in that the connecting portion (2) is located inside the circular slot (31) and the abutment block (33) is proximate to the peripheral side of the connecting portion (2).
7. A constant-torque nut assembly according to claim 1, characterized in that said two groups of movable jaws (4) are distributed in a circular array on both sides of the rotating portion (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121504.9U CN214036452U (en) | 2020-12-22 | 2020-12-22 | Fixed-torque nut assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121504.9U CN214036452U (en) | 2020-12-22 | 2020-12-22 | Fixed-torque nut assembly |
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| Publication Number | Publication Date |
|---|---|
| CN214036452U true CN214036452U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023121504.9U Active CN214036452U (en) | 2020-12-22 | 2020-12-22 | Fixed-torque nut assembly |
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| Country | Link |
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| CN (1) | CN214036452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114255915A (en) * | 2021-11-25 | 2022-03-29 | 安徽华通电缆集团有限公司 | Corrosion-resistant cable |
| CN116838897A (en) * | 2023-06-25 | 2023-10-03 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
-
2020
- 2020-12-22 CN CN202023121504.9U patent/CN214036452U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114255915A (en) * | 2021-11-25 | 2022-03-29 | 安徽华通电缆集团有限公司 | Corrosion-resistant cable |
| CN116838897A (en) * | 2023-06-25 | 2023-10-03 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
| CN116838897B (en) * | 2023-06-25 | 2024-02-23 | 中铁二十五局集团第一工程有限公司 | Displacement laser measuring device for civil engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220707 Address after: 322000 floor 5, building 1, No. 102, Kaiyuan North Street, Niansanli street, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Zhejiang tengyou Technology Co.,Ltd. Address before: 322204 No.2 Qinggong Road, Huangzhai Town, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Pujiang Wuxin Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |