CN218063043U - Anti-reverse screw nut - Google Patents

Abstract

The utility model discloses a screw nut of anti-reversion, belong to the screw nut field, a screw nut of anti-reversion, including the screw, one side of screw is equipped with the mounting panel, the one end chisel that the mounting panel is close to the screw has the thread groove, the outer pot head of screw is equipped with the nut, the top fixedly connected with packing ring of nut, the bottom chisel of nut has first breach, the bottom chisel of screw has the second breach, the inside joint of first breach and second breach has the chock, the inside chisel of chock has the open slot, the inside sliding connection of open slot has two symmetrical fixture blocks, fixedly connected with spring between fixture block and the fixture block, can realize when using screw nut, the accessible aligns first breach and the second breach that screw and nut chisel, and fill in the chock, the inside that the chock brought the fixture block into the draw-in groove, carry on spacingly through to the chock, can effectually avoid the nut to take place the reversal, facilitate the use.

Description

Anti-reverse screw nut

Technical Field

The utility model relates to a screw nut field, more specifically says, relates to a screw nut who prevents reversion.

Background

The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and the fastener is a mechanical basic part which is most widely applied.

However, in the process of using most screw nuts, nuts which are used as fasteners on large-scale engineering machinery are often easy to reverse due to severe shaking brought by equipment in the operation process, so that the use is affected, and therefore, a technology capable of improving the structure of the screw nut is urgently needed to perfect the equipment.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a screw nut who prevents reversion can realize when using screw nut, and the accessible aligns screw and nut cut first breach and second breach to fill in the chock, the chock is brought into the inside that the fixture block removed the draw-in groove, and is spacing through carrying on the chock, can effectually avoid the nut to take place the reversal, facilitates the use.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

The utility model provides a prevent screw nut of reversion, includes the screw, one side of screw is equipped with the mounting panel, the one end excavation that the mounting panel is close to the screw has the thread groove, the outer end cover of screw is equipped with the nut, the top fixedly connected with packing ring of nut, the bottom excavation of nut has first breach, the bottom excavation of screw has the second breach, the inside joint of first breach and second breach has the chock, the inside excavation of chock has the open slot, the inside sliding connection of open slot has two symmetrical fixture blocks, fixedly connected with spring between fixture block and the fixture block, the one end excavation that the nut corresponds the fixture block has the draw-in groove, the one end that the screw corresponds the fixture block also excavates has the draw-in groove, can realize when using screw nut, the accessible aligns first breach and the second breach that screw and nut excavated to fill in the chock, the inside that the fixture block removed the draw-in groove is brought into to the chock, and spacing through carrying out the chock, can effectually avoid the nut to take place the reversal, facilitates the use.

Further, the washer is wound around the outside of the screw, the inner diameter of the washer is larger than the outer diameter of the screw, and by winding the washer around the outside of the screw, and the inner diameter of the washer is larger than the outer diameter of the screw, the fastening force between the nut and the screw can be increased, and at the same time, the first notch and the second notch can be aligned.

Further, a complete breach is constituteed to first breach and second breach, and the chock all is equipped with the dull polish layer with the department of contact each other of first breach, second breach, through constituteing a complete breach with first breach and second breach, can be so that the chock removes in the complete breach, avoids the nut reversal, through setting up the dull polish layer, has increased the frictional force between chock and first breach, the second breach.

Further, the mutual contact department of fixture block and draw-in groove is equipped with polishing layer, the fixture block constitutes the block structure with the draw-in groove, through setting up polishing layer, can make the fixture block remove in the draw-in groove in the same direction as smooth, through the block structure that fixture block and draw-in groove constitute, can carry on spacingly to the chock, avoids the chock to shift out in first breach and the second breach.

Further, the material of spring is the musical instrument steel wire, the surface coating of spring has anti rust coating, establishes into the musical instrument steel wire through the material with the spring, can make the spring have higher elasticity limit and intensity limit, and through the surface coating at the spring have anti rust coating, avoid the spring to use for a long time and rust and influence the result of use.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme can realize when using screw nut, and the accessible aligns first breach and the second breach that screw and nut dug to fill in the chock, the chock is brought into the inside that the fixture block removed the draw-in groove, and is spacing through carrying on the chock to the chock, can effectually avoid the nut to take place to invert facilitates the use.

(2) The outside at the screw is twined to the packing ring, and the internal diameter of packing ring is greater than the external diameter of screw, through twining the outside at the screw with the packing ring, and the internal diameter of packing ring is greater than the external diameter of screw, can increase the fastening force between nut and the screw, can make first breach and second breach align simultaneously.

(3) A complete breach is constituteed to first breach and second breach, and the chock all is equipped with the dull polish layer with the mutual department of contact of first breach, second breach, through constituteing a complete breach with first breach and second breach, can be so that the chock removes in the complete breach, avoids the nut reversal, through setting up the dull polish layer, has increased the frictional force between chock and first breach, the second breach.

(4) The mutual contact department of fixture block and draw-in groove is equipped with polishing layer, and the fixture block constitutes the block structure with the draw-in groove, through setting up polishing layer, can make the fixture block remove in the draw-in groove in the same direction as smooth, through the block structure that fixture block and draw-in groove constitute, can carry on spacingly to the chock, avoids the chock to shift out in first breach and the second breach.

(5) The material of spring is the musical instrument steel wire, and the surface coating of spring has anti rust coating, establishes into the musical instrument steel wire through the material with the spring, can make the spring have higher elasticity limit and intensity limit, and through the surface coating at the spring have anti rust coating, avoids the spring to use for a long time and rusts and influence the result of use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1 according to the present invention.

The numbering in the figures illustrates:

1. a screw; 2. mounting a plate; 3. a thread groove; 4. a nut; 5. a gasket; 6. a first notch; 7. a second notch; 8. a chock; 9. an open slot; 10. a clamping block; 11. a spring; 12. a clamping groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example (b):

please refer to fig. 1-3, an anti-reverse screw nut, including a screw 1, a mounting plate 2 is disposed on one side of the screw 1, a thread groove 3 is chiseled at one end of the mounting plate 2 close to the screw 1, a nut 4 is sleeved at an outer end of the screw 1, a washer 5 is fixedly connected to a top end of the nut 4, a first notch 6 is chiseled at a bottom end of the nut 4, a second notch 7 is chiseled at a bottom end of the screw 1, a plug 8 is clamped in the first notch 6 and the second notch 7, an open slot 9 is chiseled in the plug 8, the internal sliding of the open slot 9 is connected with two symmetrical blocks 10, a spring 11 is fixedly connected between the blocks 10 and the blocks 10, a clamping groove 12 is chiseled at one end of the nut 4 corresponding to the block 10, a clamping groove 12 is chiseled at one end of the screw 1 corresponding to the block 10, when the screw nut is used, the first notch 6 and the second notch 7 chiseled by the screw 1 and the nut 4 are aligned, the block 8 is inserted, the block 8 is moved into the clamping groove 12, and the nut is limited by the plug 8, thereby effectively preventing the nut from being conveniently used.

Referring to fig. 1 and 3, the washer 5 is wound on the outside of the screw 1, the inner diameter of the washer 5 is larger than the outer diameter of the screw 1, the washer 5 is wound on the outside of the screw 1, and the inner diameter of the washer 5 is larger than the outer diameter of the screw 1, so that the fastening force between the nut 4 and the screw 1 can be increased, and meanwhile, the first notch 6 and the second notch 7 can be aligned, the first notch 6 and the second notch 7 form a complete notch, and the contact positions of the chock 8, the first notch 6 and the second notch 7 are both provided with a frosting layer, so that the chock 8 can be moved into the complete notch by forming the complete notch by the first notch 6 and the second notch 7, thereby avoiding the nut 4 from being reversed, and the friction force between the chock 8 and the first notch 6 and the second notch 7 is increased by providing the frosting layer.

Please refer to fig. 1-2, the polishing layer is disposed at the contact position between the clamping block 10 and the clamping groove 12, the clamping block 10 and the clamping groove 12 form a clamping structure, the polishing layer is disposed to enable the clamping block 10 to move smoothly in the clamping groove 12, the clamping structure formed by the clamping block 10 and the clamping groove 12 is used to limit the plugging block 8, the plugging block 8 is prevented from moving out of the first notch 6 and the second notch 7, the spring 11 is made of piano steel wire, the surface of the spring 11 is coated with the rust-proof coating, the material of the spring 11 is set as piano steel wire, the spring 11 has high elastic limit and strength limit, the rust-proof coating is coated on the surface of the spring 11, and the spring 11 is prevented from rusting for long term use and affecting the use effect.

The utility model discloses in, technical staff in the relevance is when using the device, move screw 1 in mounting panel 2 through the helicitic texture that constitutes with mounting panel 2, afterwards, cup joint nut 4 in screw 1's outside, the top fixedly connected with packing ring 5 of nut 4, can increase the fastening force between nut 4 and the screw 1, rotate nut 4 simultaneously, can make first breach 6 and second breach 7 align, when first breach 6 and second breach 7 align, hold between the fingers fixture block 10 and move first breach 6 and second breach 7 inside with chock block 8, then, loosen fixture block 10, fixture block 10 enters the inside of draw-in groove 12 through the elastic construction bullet that constitutes with spring 11, be convenient for carry on spacingly to chock block 8, can effectually avoid nut 4 to take place the reversal, compare with prior art, the utility model discloses can realize when using screw nut, the accessible is with the first breach 6 and the second breach 7 that nut 4 dug with screw 1 and nut 4 to align, and with chock block 8, fixture block 10 moves the inside of plugging in 12, through conveniently taking in chock block 8, through the draw-in groove 8, can avoid the nut 4 to take place effectually, take place the use, the nut 4.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a screw nut of anti-reversion, includes screw (1), its characterized in that: one side of screw (1) is equipped with mounting panel (2), the one end that mounting panel (2) are close to screw (1) is excavated there is thread groove (3), the outer pot head of screw (1) is equipped with nut (4), the top fixedly connected with packing ring (5) of nut (4), the bottom of nut (4) is excavated there is first breach (6), the bottom of screw (1) is excavated there is second breach (7), the inside joint of first breach (6) and second breach (7) has chock (8), the inside of chock (8) is excavated there is open slot (9), the inside sliding connection of open slot (9) has two symmetrical fixture block (10), fixedly connected with spring (11) between fixture block (10) and fixture block (10), the one end that nut (4) correspond fixture block (10) is excavated there is draw-in groove (12), the one end that screw (1) corresponds fixture block (10) also has been excavated draw-in groove (12).

2. An anti-reverse screw nut as claimed in claim 1, wherein: the washer (5) is wound on the outer portion of the screw (1), and the inner diameter of the washer (5) is larger than the outer diameter of the screw (1).

3. An anti-reverse screw nut as claimed in claim 1, wherein: first breach (6) and second breach (7) constitute a complete breach, and chock (8) and first breach (6), the mutual contact department of second breach (7) all are equipped with the dull polish layer.

4. An anti-reverse screw nut as claimed in claim 1, wherein: the polishing layer is arranged at the contact position of the clamping block (10) and the clamping groove (12), and the clamping block (10) and the clamping groove (12) form a clamping structure.

5. An anti-reverse screw nut as claimed in claim 1, wherein: the material of spring (11) is the musical instrument steel wire, the surface coating of spring (11) has anti rust coating.

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