CN218266720U - Anti-loose combined nut - Google Patents
Anti-loose combined nut Download PDFInfo
- Publication number
- CN218266720U CN218266720U CN202222366558.4U CN202222366558U CN218266720U CN 218266720 U CN218266720 U CN 218266720U CN 202222366558 U CN202222366558 U CN 202222366558U CN 218266720 U CN218266720 U CN 218266720U
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- nut
- pin
- arc
- jackscrew
- shaped groove
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Abstract
The utility model discloses a locking combination nut relates to nut technical field. The utility model comprises a first nut, a second nut, a jackscrew and two pin rods, wherein the first nut is provided with two through pin holes matched with the pin rods; the second nut is provided with two blind pin holes matched with the pin rods; the pin rod penetrates through a through pin hole in the first nut and then is inserted into a blind pin hole in the second nut for positioning, and a cylindrical shifting rod is fixed at the lower end of the first nut; an arc-shaped groove is formed in the upper end of the second nut; the width of the arc-shaped groove is the same as the diameter of the cylindrical deflector rod; and the outer wall of the second nut is provided with a threaded hole in threaded connection with the jackscrew. The utility model discloses a combination of first nut, second nut, jackscrew and pin rod has user state and locking state dual mode, and simple quick convenience is disassembled in the installation, converts the locking state adjustment into by the installation state and makes things convenient for fast, and fixes a position after the jackscrew screw in and the relative position guarantee of second nut lasts locking state.
Description
Technical Field
The utility model belongs to the technical field of the nut, especially, relate to a locking combination nut.
Background
The nut is a common connecting piece widely applied to industries such as machinery and the like. However, under vibration conditions, ordinary nuts often loosen themselves, resulting in connection failure. In order to solve the problem of looseness of the threaded connecting piece, people adopt various methods, such as pin penetration, additional rotation stopping lock plates and the like. These solutions can solve the anti-loosening problem, but are not very convenient in terms of removal and reuse. To this end, the present document provides a locknut combination.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking combination nut has user state and locking state two kinds of modes through the combination of first nut, second nut, jackscrew and pin rod, and the installation is disassembled simply fast conveniently, converts the locking state adjustment by the installation state into fast conveniently, and fixes a position the relative position guarantee of first nut and second nut after the jackscrew screw in and last locking state.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a locking combined nut, which comprises a first nut, a second nut, a jackscrew and two pin rods, wherein the first nut is provided with two through pin holes matched with the pin rods; the second nut is provided with two blind pin holes matched with the pin rod; the pin rod penetrates through a through pin hole in the first nut and then is inserted into a blind pin hole in the second nut for positioning, and a cylindrical shifting rod is fixed at the lower end of the first nut; an arc-shaped groove is formed in the upper end of the second nut; the width of the arc-shaped groove is the same as the diameter of the cylindrical deflector rod; the outer wall of the second nut is provided with a threaded hole in threaded connection with the jackscrew, and the threaded hole is communicated with the arc-shaped groove; the distance from the axis of one end of the arc-shaped groove to the axis of the other end of the arc-shaped groove to the axis of the second nut is gradually increased; and when the first nut and the second nut are jointed by two pin rods, the first nut thread is matched with the second nut thread.
As an optimal technical scheme of the utility model, two run through the pinhole about the axis axial symmetry of first nut sets up.
The utility model discloses following beneficial effect has:
the utility model discloses a combination of first nut, second nut, jackscrew and pin rod has user state and locking state dual mode, and simple quick convenience is disassembled in the installation, converts the locking state adjustment into by the installation state and makes things convenient for fast, and fixes a position after the jackscrew screw in and the relative position guarantee of second nut lasts locking state.
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 are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the locking combination nut of the present invention in a combined use state.
Fig. 2 is an axial schematic view of fig. 1.
Fig. 3 is a structural schematic diagram of the locking and anti-loose state of the first nut, the second nut and the jackscrew.
Fig. 4 is an axial schematic view of fig. 3.
Fig. 5 is a schematic structural view of the first nut.
Fig. 6 is a schematic structural view of the second nut.
In the drawings, the components represented by the respective reference numerals are listed below:
1-first nut, 2-second nut, 3-jackscrew, 4-pin rod, 11-through pin hole, 12-cylindrical deflector rod, 21-blind pin hole, 22-arc groove and 23-threaded hole.
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 skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the present invention relates to a locking combination nut, which comprises a first nut 1, a second nut 2, a jackscrew 3 and two pin rods 4, wherein the first nut 1 is provided with two through pin holes 11 matched with the pin rods 4; the second nut 2 is provided with two blind pin holes 21 matched with the pin rods 4; the pin rod 4 penetrates through a through pin hole 11 on the first nut 1 and then is inserted into a blind pin hole 21 on the second nut 2 for positioning, and a cylindrical shift lever 12 is fixed at the lower end of the first nut 1; the upper end of the second nut 2 is provided with an arc-shaped groove 22; the width of the arc-shaped slot 22 is the same as the diameter of the cylindrical deflector rod 12; the outer wall of the second nut 2 is provided with a threaded hole 23 in threaded connection with the jackscrew 3, and the threaded hole 23 is communicated with the arc-shaped groove 22; the distance from the axis of one end of the arc-shaped groove 22 to the axis of the other end of the arc-shaped groove is gradually increased from the axis of the second nut 2; when the first nut 1 and the second nut 2 are jointed and pinned through the two pin rods 4, the thread of the first nut 1 is matched with the thread of the second nut 2. The two through-pin holes 11 are arranged axisymmetrically with respect to the axis of the first nut 1.
The state combination shown in fig. 1-2 is a state to be installed and used, and the cylindrical deflector rod 12 of the first nut 1 is positioned at one end of the arc-shaped groove 22 close to the axis of the first nut 1.
3-4, the state combination is a locking and anti-loose combination, the cylindrical shift lever 12 of the first nut 1 is positioned at one end of the arc-shaped groove 22 far away from the axis of the first nut 1, the jackscrew 3 is screwed into the second nut 2, the tip of the jackscrew 3 is propped against the cylindrical shift lever 12, and the cylindrical shift lever 12 is stably positioned at one end of the arc-shaped groove 22 far away from the axis of the first nut 1.
One specific application of this embodiment is:
the first nut 1, the second nut 2, the jackscrew 3 and the two pins 4 are assembled into a state shown in fig. 1-2 for standby. The assembling bolt in the state shown by 1-2 is mounted on the bolt and pre-tightened. Two pin poles 4 are pulled down after the pretension is accomplished, use the inboard second nut 2 of spanner centre gripping, use another spanner card in first nut 1 outside, one end that is close to first nut 1 axis along arc 22 to arc 22 one end direction rotation of keeping away from first nut 1 axis, skew second nut 2's axis under the direction traction effect of cylinder driving lever 12 is gradually at 1 axis of pivoted in-process first nut, deformation takes place for the thread of first nut 1, original thread connection has been destroyed, the relative frictional force of first nut 1 and bolt increases, locking ability is improved. When the cylindrical shifting rod 12 of the first nut 1 is positioned at one end, far away from the axis of the first nut 1, of the arc-shaped groove 22, the jackscrew 3 is screwed in, the tip end of the jackscrew 3 is propped against the cylindrical shifting rod 12, the cylindrical shifting rod 12 is stably positioned at one end, far away from the axis of the first nut 1, of the arc-shaped groove 22, and the anti-loosening capacity is kept. And the whole installation and disassembly are simple, quick and convenient.
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 forms 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 (2)
1. The utility model provides a locking combination nut which characterized in that:
comprises a first nut (1), a second nut (2), a jackscrew (3) and two pin rods (4),
the first nut (1) is provided with two through pin holes (11) matched with the pin rod (4);
the second nut (2) is provided with two blind pin holes (21) matched with the pin rod (4); the pin rod (4) penetrates through a through pin hole (11) on the first nut (1) and then is inserted into a blind pin hole (21) on the second nut (2) for positioning,
a cylindrical deflector rod (12) is fixed at the lower end of the first nut (1);
an arc-shaped groove (22) is formed in the upper end of the second nut (2); the width of the arc-shaped groove (22) is the same as the diameter of the cylindrical deflector rod (12); a threaded hole (23) in threaded connection with the jackscrew (3) is formed in the outer wall of the second nut (2), and the threaded hole (23) is communicated with the arc-shaped groove (22);
the distance from the axis of one end of the arc-shaped groove (22) to the axis of the other end of the arc-shaped groove to the axis of the second nut (2) is gradually increased;
the first nut (1) and the second nut (2) are attached to each other and matched with each other through the first nut (1) thread and the second nut (2) thread when the two pin rods (4) are in pin joint.
2. A lock-preventing combination nut as claimed in claim 1, characterized in that two of said through-pin holes (11) are arranged axisymmetrically with respect to the axis of said first nut (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222366558.4U CN218266720U (en) | 2022-09-06 | 2022-09-06 | Anti-loose combined nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222366558.4U CN218266720U (en) | 2022-09-06 | 2022-09-06 | Anti-loose combined nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266720U true CN218266720U (en) | 2023-01-10 |
Family
ID=84712196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222366558.4U Active CN218266720U (en) | 2022-09-06 | 2022-09-06 | Anti-loose combined nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266720U (en) |
-
2022
- 2022-09-06 CN CN202222366558.4U patent/CN218266720U/en active Active
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