CN211343674U

CN211343674U - Nylon locking nut

Info

Publication number: CN211343674U
Application number: CN201922206320.3U
Authority: CN
Inventors: 方瑞道; 吴逢文; 苏一萍; 陈淑丽; 陈鳌
Original assignee: Wenzhou Ruitai Fastener Co ltd
Current assignee: Wenzhou Ruitai Fastener Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-25
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a nylon lock nut, including nut body and nylon packing ring, the standing groove that supplies nylon packing ring card to go into is seted up to the one end of nut body, the one end that the nut body is close to the nylon packing ring is provided with spacing subassembly, spacing subassembly is including setting up in the spacing ring of nut body one end, the spacing ring is hugged closely with nylon packing ring one side, the edge of one side of spacing ring towards the nut body is connected with the go-between, the spread groove has been seted up to one side of nut body orientation spacing ring, the mutually opposite sides of nut body lateral wall all is provided with the spacing groove along circumference, the limiting groove is provided with the limiting plate, one side of limiting plate orientation spacing groove is connected with the spacing post that penetrates in the spread groove, the mutually opposite. When the nylon packing ring damage needs to be changed, pull out the limiting plate from the spacing inslot, take out the go-between again in following the spread groove, can take out and change the nylon packing ring from the standing groove, easy operation, labour saving and time saving.

Description

Nylon locking nut

Technical Field

The utility model belongs to the technical field of the technique of fastener and specifically relates to a nylon lock nut is related to.

Background

The nylon lock nut is applied in a large range due to the fact that the nylon lock nut has a self-locking function and a simple structure, and the basic structure of the nylon lock nut is as follows: the novel nylon socket comprises an outer hexagon and a nylon gasket, wherein a threaded hole is formed in the outer hexagon, a thin-wall sleeve structure is arranged on the upper end face of the outer hexagon, the nylon gasket is arranged in an inner hole of the thin-wall sleeve, the upper end opening of the thin-wall sleeve compresses the nylon gasket on the upper end face of the outer hexagon through inward flanging, and the diameter of the inner hole of the nylon gasket is smaller than the inner diameter of the threaded hole.

At present, the patent with publication number CN204664107U discloses a nylon lock nut, and it includes hexagon nut body and loop configuration, and the loop configuration sets up in the upper end of hexagon nut body, and hexagon nut body and loop configuration are the integrated into one piece structure, and threaded hole is seted up to the inside of hexagon nut body, and whole hexagon nut body and loop configuration are run through to the screw hole, and the inside of loop configuration is equipped with the annular groove, and the embedded nylon packing ring that is equipped with of annular groove. When the nut is screwed into the bolt, after the locking force is increased, the nylon is embedded into the part of the bolt, and the locked nylon washer fills up the gaps of the bolts at the two ends, so that the locking effect is achieved.

The above prior art solutions have the following drawbacks: after the nut is used for many times, the nylon washer is easy to wear, so that the locking effect is influenced, but the nylon washer is difficult to replace, and the replacement is time-consuming and labor-consuming, so that the improvement is needed.

Disclosure of Invention

To the not enough of prior art existence, one of the purposes of the utility model is to provide a nylon lock nut.

The above object of the present invention is achieved by the following technical solutions:

a nylon lock nut comprises a nut body and a nylon washer, wherein one end of the nut body is provided with a placing groove for the nylon washer to be clamped in, one end of the nut body close to the nylon washer is provided with a limiting component for preventing the nylon washer from separating from the placing groove, the limiting component comprises a limiting ring arranged at one end of the nut body, the limiting ring is tightly attached to one side of the nylon washer, the edge of one side of the limiting ring, which faces the nut body, is connected with a connecting ring, one side of the nut body, which faces the limiting ring, is provided with a connecting groove for the connecting ring to be clamped in, the two opposite sides of the side wall of the nut body are provided with limit grooves along the circumferential direction, limit plates are arranged in the limit grooves, one side of the limiting plate facing the limiting groove is connected with a limiting column penetrating into the connecting groove, and limiting holes for clamping the limiting column are formed in the two opposite sides of the outer wall of the connecting ring.

Through adopting above-mentioned technical scheme, when the nylon packing ring damage need be changed, pull out the limiting plate from the spacing inslot, take out the go-between again in following the spread groove, can take out and change the nylon packing ring from the standing groove, easy operation, labour saving and time saving.

The present invention may be further configured in a preferred embodiment as: the limiting ring is characterized in that a fixing groove is formed in the inner wall of one side, close to the limiting ring, of the limiting groove along the length direction of the limiting ring, a fixing plate used for sealing the limiting groove is connected in the fixing groove in a sliding mode, and the side wall of the fixing plate abuts against the inner wall of the fixing groove tightly.

Through adopting above-mentioned technical scheme, after installing the limiting plate, pull out the fixed plate from the fixed slot and keep apart the limiting plate with the external world to prevent that the limiting plate from breaking away from the spacing groove.

The present invention may be further configured in a preferred embodiment as: and one end of the outer wall of the fixing plate, which is far away from the limiting ring, is connected with a fixing strip along the length direction of the fixing plate.

Through adopting above-mentioned technical scheme, installer holds the fixed strip with the hand and can the fixed plate that slides fast to improve the installation effectiveness.

The present invention may be further configured in a preferred embodiment as: the limiting groove is connected with a fixing column on the inner wall of one side far away from the limiting ring, a fixing hole for the fixing column to be clamped in is formed in the fixing strip, and the fixing column is in interference fit with the inner wall of the fixing hole.

Through adopting above-mentioned technical scheme, go into the fixed column card in the fixed orifices to fix the fixed strip on spacing inslot wall, prevent that the fixed plate from unexpected sliding.

The present invention may be further configured in a preferred embodiment as: and at least two fastening lugs are arranged on one side of the limiting ring facing the connecting groove at intervals along the circumferential direction.

Through adopting above-mentioned technical scheme, after the spacing ring is installed, the fastening lug can push up tight nylon packing ring, avoids nylon packing ring to rotate for the nut body, improves the locking effect.

The present invention may be further configured in a preferred embodiment as: the lower end edge of the outer side of the connecting ring is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer can give the effect of a direction of go-between to make in the go-between can the quick card go-between, improve the installation effectiveness.

The present invention may be further configured in a preferred embodiment as: one side of the limiting ring, which deviates from the nut body, is provided with a reinforcing strip along the circumferential direction.

Through adopting above-mentioned technical scheme, the cross-sectional area that the stiffener can increase the spacing ring to improve the intensity of spacing ring, prevent that the spacing ring from producing deformation.

To sum up, the utility model discloses a following at least one useful technological effect:

the limiting assembly enables the nylon gasket to be taken out of the placing groove and replaced, the operation is simple, and time and labor are saved;

the fixed plate can prevent that the limiting plate from breaking away from the spacing groove.

Drawings

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

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged schematic view of the area B in FIG. 2;

fig. 4 is an exploded structure diagram of the present embodiment.

Reference numerals: 1. a nut body; 11. a placement groove; 12. connecting grooves; 13. a limiting groove; 14. fixing grooves; 2. a nylon washer; 3. a limiting component; 31. a limiting ring; 311. fastening the lug; 32. a connecting ring; 321. a limiting hole; 322. chamfering; 33. a limiting plate; 34. a limiting column; 4. a fixing plate; 5. a fixing strip; 51. a fixing hole; 6. fixing a column; 7. a reinforcing strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a nylon lock nut, including nut body 1 and the nylon packing ring 2 that is the hexagonal form, the standing groove 11 that supplies nylon packing ring 2 card to go into is seted up to nut body 1's one end, and nut body 1 is provided with the spacing subassembly 3 that is used for preventing nylon packing ring 2 to break away from standing groove 11 near nylon packing ring 2's one end, can take out and change nylon packing ring 2 from standing groove 11 through spacing subassembly 3, easy operation, labour saving and time saving.

Referring to fig. 2, fig. 3, spacing subassembly 3 is including installing the spacing ring 31 that is close to the one end of nylon packing ring 2 in nut body 1, spacing ring 31 is hugged closely with nylon packing ring 2 one side, the external diameter of spacing ring 31 is greater than the external diameter of nylon packing ring 2, edge integrated into one piece of one side of spacing ring 31 towards nut body 1 has the go-between 32, nut body 1 offers the spread groove 12 that supplies the go-between 32 card to go into along circumference towards one side of spacing ring 31, the lower extreme edge in the go-between 32 outside sets up to chamfer 322, chamfer 322 can make go-between 32 can fast card go into in the spread groove 12, improve the installation.

Referring to fig. 2, the spacing ring 31 is towards one side of the connecting groove 12 and is four hemispherical fastening lugs 311 along the circumferential interval fixedly connected with, after the spacing ring 31 is installed, the fastening lugs 311 can push up the nylon washer 2, the nylon washer 2 is prevented from rotating relative to the nut body 1, and the locking effect is improved. One side that spacing ring 31 deviates from the fastening picture piece is along circumference fixedly connected with cross-section semicircular reinforcing bar 7, and reinforcing bar 7 can prevent that spacing ring 31 from producing deformation, improves the stability of being connected of nylon packing ring 2 and nut body 1.

Referring to fig. 3 and 4, the limiting groove 13 has been all seted up to the both sides of mutually backing on the side wall of the nut body 1, and the diapire of limiting groove 13 is worn to be equipped with the cross-section and is the circular shape spacing post 34, and in spacing post 34 one end penetrated the spread groove 12, the spacing hole 321 that supplies spacing post 34 card to go into was seted up to the both sides of mutually backing on the outer wall of go-between 32, and the one end fixedly connected with that the go-between 32 was kept away from to spacing post. The connection ring 32 can be taken out from the connection groove 12 by pulling the limit plate 33 out of the limit groove 13.

Referring to fig. 2 and 3, a fixing groove 14 is formed in the inner wall of one side, close to the limit ring 31, of the limit groove 13 along the length direction, a fixing plate 4 used for sealing the limit groove 13 is connected in the fixing groove 14 in a sliding mode, the side wall of the fixing plate 4 abuts against the inner wall of the fixing groove 14, and a fixing strip 5 is integrally formed in one end, far away from the limit ring 31, of the outer wall of the fixing plate 4 along the length direction. The inner wall of one side of the limiting groove 13 far away from the limiting ring 31 is connected with a fixing column 6, the fixing strip 5 is provided with a fixing hole 51 for the fixing column 6 to be clamped in, and the fixing column 6 is in interference fit with the inner wall of the fixing hole 51.

The implementation principle of the embodiment is as follows: when the nylon gasket 2 needs to be replaced, the fixing strip 5 is pushed upwards firstly, so that the fixing plate 4 is pushed into the fixing groove 14; then, the limit plate 33 is pulled out of the limit groove 13, so that the limit post 34 is moved out of the limit hole 321 of the connection ring 32; finally, take out go-between 32 from spread groove 12 in, can make spacing ring 31 and nut body 1 separation, can take out and change nylon packing ring 2 from standing groove 11, the installation is with the same reason, and nylon packing ring 2 changes conveniently, labour saving and time saving.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a nylon lock nut, includes nut body (1) and nylon packing ring (2), standing groove (11) that confession nylon packing ring (2) card was gone into are seted up to the one end of nut body (1), its characterized in that: the nut body (1) is provided with a limiting component (3) used for preventing the nylon gasket (2) from being separated from the placing groove (11) at one end close to the nylon gasket (2), the limiting component (3) comprises a limiting ring (31) arranged at one end of the nut body (1), the limiting ring (31) is tightly attached to one side of the nylon gasket (2), a connecting ring (32) is connected to the edge of one side, facing the nut body (1), of the limiting ring (31), a connecting groove (12) for the connecting ring (32) to be clamped into is formed in one side, facing the limiting ring (31), of the nut body (1), the limiting grooves (13) are formed in the two opposite sides of the side wall of the nut body (1) along the circumferential direction, limiting plates (33) are arranged in the limiting grooves (13), and one side, facing the limiting grooves (13), of the limiting plates (33) is connected with limiting columns (34), the two opposite sides of the outer wall of the connecting ring (32) are provided with limiting holes (321) for the limiting columns (34) to be clamped in.

2. The nylon lock nut of claim 1, wherein: the inner wall of one side of the limiting groove (13) close to the limiting ring (31) is provided with a fixing groove (14) along the length direction, the fixing groove (14) is connected with a fixing plate (4) used for sealing the limiting groove (13) in a sliding mode, and the side wall of the fixing plate (4) abuts against the inner wall of the fixing groove (14).

3. The nylon lock nut of claim 2, wherein: one end of the outer wall of the fixing plate (4), which is far away from the limiting ring (31), is connected with a fixing strip (5) along the length direction of the fixing plate.

4. The nylon lock nut of claim 3, wherein: the fixing device is characterized in that a fixing column (6) is connected to the inner wall of one side, away from the limiting ring (31), of the limiting groove (13), a fixing hole (51) for the fixing column (6) to be clamped in is formed in the fixing strip (5), and the fixing column (6) is in interference fit with the inner wall of the fixing hole (51).

5. The nylon lock nut of claim 1, wherein: at least two fastening lugs (311) are arranged on one side of the limiting ring (31) facing the connecting groove (12) at intervals along the circumferential direction.

6. The nylon lock nut of claim 1, wherein: the lower end edge of the outer side of the connecting ring (32) is provided with a chamfer (322).

7. The nylon lock nut of claim 1, wherein: and one side of the limiting ring (31) departing from the nut body (1) is provided with a reinforcing strip (7) along the circumferential direction.