CN220151712U

CN220151712U - Assembled nut

Info

Publication number: CN220151712U
Application number: CN202321553581.2U
Authority: CN
Inventors: 夏晓雨; 马林
Original assignee: Suzhou Yuyao Precision Hardware Co ltd
Current assignee: Suzhou Yuyao Precision Hardware Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-08
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to the technical field of fasteners, and particularly discloses an assembled nut which comprises a first nut and a second nut which are respectively provided with internal threads, wherein the first nut and the second nut are connected through a plurality of groups of connecting pieces; the connecting piece includes the connecting rod, the connecting rod is inside first nut through perpendicular groove sliding connection, be provided with spacing unit between connecting rod and the first nut, spacing unit includes the backing plate of fixed connection on the connecting rod, perpendicular tank bottom portion is provided with the baffle ring, bottom plate and the intermittent type butt of baffle ring. When first nut and second nut are not connected with the bolt, bottom plate and stop ring intermittent type butt, connecting rod and stop ring sliding connection, the backing plate can not pass and stop the ring to can play and stop the effect, avoid the connecting rod to drop from first nut, avoid causing unnecessary loss, improve the practicality of this nut, satisfy the work needs, be fit for extensively using widely.

Description

Assembled nut

Technical Field

The utility model relates to the technical field of fasteners, in particular to an assembled nut.

Background

The common fastener comprises a bolt and nut assembly, a stud and nut assembly, a screw, a stud and the like, wherein the nut is a polygonal column body provided with a central threaded hole, an inner thread is arranged on the inner annular wall of the central threaded hole and is matched and screwed with an outer thread on the stud, the stud is a screw rod with a bolt head, and the screw rod is provided with the outer thread for fastening and connecting two or more fasteners with through holes.

The tightening of nuts and bolts is generally relatively stable. However, if the fastened piece is in vibration for a long time, the vibration frequency difference exists between the connecting pieces, so that certain displacement can be generated between the connecting pieces in the connecting structure, and the connection between the nut and the screw column becomes loose or even falls off, therefore, nylon locknuts are widely used in the current application.

In the prior art, as in the Chinese patent application with the application number of 202211457658.6 and the application publication number of CN115653990A, the name is a combined type mutual clamping locknut, and the above patent discloses a combined type mutual clamping locknut which is divided into a lower nut and an upper nut, wherein the lower nut comprises a lower nut body and a ring-gap retainer ring, a clamping notch is arranged on the ring-gap retainer ring, and a back stop spring piece is formed at the right end at the clamping notch; the outer side wall of the ring-lacking retainer ring is a truncated cone-shaped outer inclined side wall; the upper nut comprises an upper nut body and a locking collar, and retaining grooves and pressing convex inclined planes which are alternately arranged are distributed on the inner annular wall of the locking collar.

The locking collar in the above-mentioned patent holds up the ring and makes its internal diameter slightly less than the screw rod external diameter, and the backstop spring piece supports the card simultaneously in the backstop groove, can't become flexible all the time, improves the stability of nut when using, and the last nut in the above-mentioned patent is in the separation state with lower nut, and the two is not connected when not needing to use, appears losing the condition easily, has certain not enoughly.

Disclosure of Invention

The present utility model is directed to an assembled nut to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the assembled nut comprises a first nut and a second nut which are respectively provided with internal threads, wherein the first nut and the second nut are connected through a plurality of groups of connecting pieces; the connecting piece comprises a connecting rod, the connecting rod is slidably connected inside a first nut through a vertical groove, a limiting unit is arranged between the connecting rod and the first nut, the limiting unit comprises a base plate fixedly connected to the connecting rod, a blocking ring is arranged at the bottom of the vertical groove, and the base plate is in intermittent abutting connection with the blocking ring; one end of the connecting rod, which is far away from the first nut, is rotationally connected with the second nut.

Further, a fastening spring is arranged in the vertical groove, and the fastening spring is arranged between the base plate and the vertical groove.

Further, a limiting groove is formed in the second nut, a limiting ring is arranged on the bottom of the connecting rod, and the connecting rod is connected with the second nut in a rotating mode through cooperation between the limiting ring and the limiting groove.

Further, the connecting pieces are provided with 6 groups, and the connecting pieces are distributed in a circumferential array by taking the center of the first nut as the axis.

Further, a locking component is further arranged between the first nut and the second nut.

Further, the locking assembly comprises two first mounting rings arranged on the first nuts and second mounting rings arranged on the second nuts, a plurality of groups of tooth sockets are formed in the first mounting rings, and clamping teeth are arranged on the second mounting rings and are respectively matched with the corresponding tooth sockets in a clamping mode.

Compared with the prior art, the utility model has the beneficial effects that: the assembled nut is matched with the first nut, the second nut, the connecting rod, the base plate and the blocking ring, when the first nut is connected with the second nut and the bolt is mutually close to the second nut, and the connecting rod slides in the vertical groove of the first nut at the moment; when first nut and second nut are not connected with the bolt, backing plate and stop ring intermittent type butt, connecting rod and stop ring sliding connection, the backing plate can not pass and stop the ring, thereby can play and stop the effect, avoid the connecting rod to drop from first nut, the one end that first nut was kept away from to the connecting rod simultaneously rotates with the second nut to be connected, consequently, the connecting rod can not move and drop on the second nut, avoid first nut or second nut that first nut and second nut separation drop to lead to lose, avoid causing unnecessary loss, improve the practicality of this nut, satisfy the work needs, be fit for extensively using widely.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an overall top view structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 taken along line A-A;

FIG. 4 is a schematic view of a partial structure of a connector according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a locking assembly according to an embodiment of the present utility model;

fig. 6 is a schematic view of a closed state structure of an anti-loosening assembly according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a first nut; 2. a second nut; 3. a connecting piece; 31. a connecting rod; 32. a vertical groove; 33. a limiting ring; 34. a limit groove; 35. a blocking ring; 36. a backing plate; 37. a fastening spring; 5. tooth slots; 6. and (5) clamping teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: an assembled nut comprises a first nut 1 and a second nut 2 which are respectively provided with internal threads, wherein the first nut 1 and the second nut 2 are connected through a plurality of groups of connecting pieces 3; the connecting piece 3 comprises a connecting rod 31, the connecting rod 31 is slidably connected inside the first nut 1 through a vertical groove 32, a limiting unit is arranged between the connecting rod 31 and the first nut 1 and comprises a base plate 36 fixedly connected to the connecting rod 31, a blocking ring 35 is arranged at the bottom of the vertical groove 32, and the base plate 36 is intermittently abutted to the blocking ring 35; the end of the connecting rod 31 remote from the first nut 1 is in rotational connection with the second nut 2.

Specifically, this assembled nut specifically includes first nut 1 and second nut 2 that are provided with the internal thread respectively, and wherein when using with the bolt cooperation, first nut 1 then is in the state that is close to each other with second nut 2, and first nut 1 and the internal thread of second nut 2 inboard all can be natural with the external screw thread threaded connection on the bolt to can not appear moving dry and astringent, stability when can improving bolt and nut cooperation and use, satisfy the work needs. Wherein be connected through multiunit connecting piece 3 between first nut 1 and the second nut 2, can be connected first nut 1 and second nut 2, avoid first nut 1 and second nut 2 separation to drop, lead to first nut 1 or second nut 2 to lose, avoid causing unnecessary loss, improve the practicality of this nut, satisfy the work needs, be fit for extensively using widely. More specifically, the connecting piece 3 includes the connecting rod 31, and the connecting rod 31 is inside the first nut 1 through vertical groove 32 sliding connection, improves the stability when connecting rod 31 slides, and when first nut 1 and second nut 2 are close to each other, then connecting rod 31 can slide in vertical groove 32 inside this moment, and is effectual. Wherein be provided with spacing unit between connecting rod 31 and the first nut 1, through setting up spacing unit, avoid connecting rod 31 first nut 1 to come off to make first nut 1 and second nut 2 can not separate. The limiting unit comprises a base plate 36 fixedly connected to the connecting rod 31, a blocking ring 35 is arranged at the bottom of the vertical groove 32, and the blocking ring 35 is fixedly connected with the first nut. The backing plate and stop ring 35 intermittent type butt, wherein connecting rod 31 and stop ring 35 sliding connection, backing plate 36 can not pass stop ring 35 to can play the effect of stopping, avoid connecting rod 31 to drop from first nut 1, effectual. Wherein the one end that first nut 1 was kept away from to connecting rod 31 rotates with second nut 2 to be connected, consequently connecting rod 31 can not move second nut 2 and come off, consequently first nut 1 can not appear the condition that drops after being connected through connecting piece 3 with second nut 2, avoids appearing losing the condition, satisfies the work needs.

In the embodiment provided by the utility model, the fastening spring 37 is arranged in the vertical groove 32, and the fastening spring 37 is arranged between the base plate 36 and the vertical groove 32, wherein the fastening spring 37 can drive the connecting rod 31 to keep a preset state, so that when the nut is not connected with a bolt, the condition that the first nut 1 and the second nut 2 shake severely is avoided, and the working requirement is met.

More specifically, through setting up at fastening spring 37, when first nut 1 and second nut 2 are connected with the bolt, the effort of fastening spring 37 orders about first nut 1 upwards, second nut 2 is decurrent for the inboard screw thread of first nut 1 and second nut 2 and the screw thread butt on the bolt are more, increase frictional force, thereby can play the condition emergence that reduces this nut and appear not hard up, improve the tightness when this nut uses, more be fit for this nut and use widely.

In the embodiment provided by the utility model, the second nut 2 is provided with the limit groove 34, wherein the cross section of the limit groove 34 is a T-shaped groove, the bottom of the connecting rod 31 is provided with the limit ring 33, and particularly, under the condition of matching between the connecting rod 31 and the limit ring 33, the cross section of the connecting rod 31 is in a T-shaped shape, so that when in use, the connecting rod 31 is rotationally connected with the second nut 2 through the matching between the limit ring 33 and the limit groove 34, the stability of the connecting rod 31 during rotation can be improved, and the effect is good.

In the embodiment provided by the utility model, the connecting pieces 3 are provided with 6 groups, and the connecting pieces are distributed in a circumferential array by taking the center of the first nut 1 as the axis, and the nuts are commonly known as 6-angle nuts, so that the stability of the first nut 1 and the second nut 2 can be further improved when the connecting piece is used. More specifically, the connection element 3 can be designed according to the working environment.

In the embodiment provided by the utility model, the anti-loosening assembly is further arranged between the first nut 1 and the second nut 2, so that the stability of the first nut 1 and the second nut 2 when being connected with the bolt can be further improved.

In the embodiment provided by the utility model, the anti-loosening assembly comprises two first mounting rings and second mounting rings, wherein the first mounting rings and the second mounting rings are arranged on the first nuts 1, a plurality of groups of tooth grooves 5 are formed in the first mounting rings, the second mounting rings are provided with clamping teeth 6, each clamping tooth 6 is respectively in clamping fit with the corresponding tooth groove 5, before the first nuts 1 and the second nuts 2 are required to be connected with bolts, the first nuts 1 and the second nuts 2 are driven to be mutually close to each other, each clamping tooth 6 is respectively in clamping fit with the corresponding tooth groove 5, then the bolts are driven to be in threaded connection with the first nuts 1 and the second nuts 2, and the tooth grooves 5 and the clamping teeth 6 are wedge-shaped, so that the first nuts 1 and the second nuts 2 cannot rotate when rotating reversely, and are only tightly connected with the bolts when rotating positively, and the effect is obvious. When the bolt is driven to be detached from the first nut 1 and the second nut 2 by external force, the first nut 1 is separated from the second nut 2, and then the latch 6 is automatically separated from the tooth slot 5, so that the bolt is convenient to install and use again, and the effect is good.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Assembled nut, including first nut (1) and second nut (2) that are provided with the internal thread respectively, its characterized in that:

the first nut (1) is connected with the second nut (2) through a plurality of groups of connecting pieces (3); the connecting piece (3) comprises a connecting rod (31),

the connecting rod (31) is slidably connected inside the first nut (1) through the vertical groove (32), and a limiting unit is arranged between the connecting rod (31) and the first nut (1);

the limiting unit comprises a base plate (36) fixedly connected to the connecting rod (31), a blocking ring (35) is arranged at the bottom of the vertical groove (32), and the base plate (36) is intermittently abutted with the blocking ring (35);

one end of the connecting rod (31) far away from the first nut (1) is rotationally connected with the second nut (2).

2. A modular nut as claimed in claim 1, wherein: a fastening spring (37) is arranged in the vertical groove (32), and the fastening spring (37) is arranged between the base plate (36) and the vertical groove (32).

3. A modular nut as claimed in claim 1, wherein: the second nut (2) is provided with a limiting groove (34), the bottom of the connecting rod (31) is provided with a limiting ring (33), and the connecting rod (31) is rotationally connected with the second nut (2) through the cooperation between the limiting ring (33) and the limiting groove (34).

4. A modular nut as claimed in claim 3, wherein: the connecting pieces (3) are provided with 6 groups, and are distributed in a circumferential array by taking the center of the circle of the first nut (1) as the axis.

5. A modular nut as claimed in claim 1, wherein: and a locking component is further arranged between the first nut (1) and the second nut (2).

6. A modular nut as defined in claim 5, further comprising: the anti-loosening assembly comprises two first mounting rings arranged on the first nut (1) and second mounting rings arranged on the second nut (2), a plurality of groups of tooth grooves (5) are formed in the first mounting rings, clamping teeth (6) are arranged on the second mounting rings, and each clamping tooth (6) is respectively matched with the corresponding tooth groove (5) in a clamping mode.