CN216666215U

CN216666215U - Damping rotating shaft with self-locking function

Info

Publication number: CN216666215U
Application number: CN202122907758.1U
Authority: CN
Inventors: 朱奎霖; 黄友蕊
Original assignee: Shanghai Puyuan Intelligent Technology Co ltd
Current assignee: Shanghai Puyuan Intelligent Technology Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-03
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a damping rotating shaft with a self-locking function, which comprises an outer sleeve part, an inner sleeve part, a lead and a rotary damper, wherein one end of the outer sleeve part is a U-shaped connecting end, two first annular tooth sockets symmetrically penetrate through the outer walls of the two sides of the U-shaped connecting end, one end of the inner sleeve part is a connecting ring, the connecting ring is positioned on the inner side of the U-shaped connecting end, and two second annular tooth sockets are symmetrically arranged on the outer walls of the two sides of the connecting ring; according to the utility model, through the arrangement of the first locking mechanism and the second locking mechanism, when the external member and the internal member are used, the included angle between the external member and the internal member can be adjusted only by simultaneously pressing the two pressing sheets to ensure that the first toothed ring and the second toothed ring are both disengaged from the corresponding first annular tooth grooves, and after the adjustment is finished, the pressing sheets are loosened to ensure that the first toothed ring and the second toothed ring are again engaged with the corresponding first annular tooth grooves under the action of the first spring and the second spring, so that the angle between the external member and the internal member can be locked.

Description

Damping rotating shaft with self-locking function

Technical Field

The utility model relates to a damping rotating shaft, in particular to a damping rotating shaft with a self-locking function.

Background

At present, the damping rotating shaft is adopted to rotate and connect on a controller support of mechanical equipment or support arms of various displays, so that the placing angle is convenient to adjust.

However, most of existing damping rotating shafts realize damping feeling through the rotary damper and provide support for the rotating shafts, when the damping rotating shafts are connected with heavy objects, the damping rotating shafts often rotate under the driving of the heavy objects, the damping rotating shafts cannot be positioned at a required angle, wires of equipment are directly exposed outside the rotating shafts and cannot pass through the rotating shafts, and therefore the appearance is poor and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The present invention provides a damping spindle with a self-locking function to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a damping pivot with self-locking function, includes overcoat piece, internal member, wire and rotary damper, overcoat piece one end is U type link, and the both sides outer wall symmetry of U type link runs through and is provided with two first annular tooth's socket, the one end of internal member is the go-between, the go-between is located the inboard of U type link, two second annular tooth's sockets have been seted up to the both sides outer wall symmetry of go-between, the inner wall of go-between runs through and is provided with first threading groove, be provided with first locking mechanical system and second locking mechanical system in U type link and the go-between, rotary damper is located first locking mechanical system, the decoration shell of the equal fixedly connected with looks adaptation of outer wall of overcoat piece, internal member.

As a further scheme of the utility model: first locking mechanical system includes first briquetting, spacing ring, first ring gear, first spring, pivot seat, the outer wall fixed connection of spacing ring and U type link, first briquetting penetrates in U type link by the spacing ring, the bottom and the pivot seat of first ring gear are located same second annular tooth's socket, the pivot seat cooperatees with second annular tooth's socket, first ring gear cooperatees with adjacent first annular tooth's socket and second annular tooth's socket simultaneously, first spring is located between first ring gear and the pivot seat, first briquetting and spacing ring sliding connection, the bottom of first briquetting offsets with the top of first ring gear, rotary damper and pivot seat and spacing ring looks adaptation.

As a further scheme of the utility model: the second locking mechanism comprises a second pressing block, a second toothed ring, a second spring and a wire passing ring, the second pressing block is connected with the U-shaped connecting end in a sliding mode, the second pressing block is located on the inner side of the decorative shell, the top of the second pressing block is abutted to the bottom of the second toothed ring, the top end of the second toothed ring and the wire passing ring are located in the same second annular tooth groove, the wire passing ring is matched with the second annular tooth groove, the second toothed ring is simultaneously matched with the adjacent first annular tooth groove and the second annular tooth groove, and the second spring is located between the second toothed ring and the wire passing ring.

As a further scheme of the utility model: the rotary damper comprises a shaft body, the limiting ring is sleeved at the top end of the shaft body, the outer wall of the shaft body is rotatably connected with a rotating sleeve, the rotating shaft seat is sleeved outside the rotating sleeve, the bottom end of the shaft body is in threaded connection with a nut, an elastic ring piece is movably sleeved on the outer wall of the shaft body, and the elastic ring piece is located between the rotating sleeve and the nut.

As a further scheme of the utility model: the outer walls of the first pressing block and the second pressing block are connected with pressing sheets through buckles.

As a still further scheme of the utility model: the outer wall of the second pressing block is provided with a threading hole in a penetrating mode, a second threading groove is symmetrically formed in the relative outer wall of the thread passing ring and the rotating shaft seat, one end of the second threading groove faces towards the first threading groove, one end of a wire penetrates into the second pressing block through the threading hole after entering from one end of the outer sleeve piece, then penetrates through the second pressing block, the second toothed ring and the thread passing ring, enters the first threading groove from the second threading groove and penetrates out from one end of the inner sleeve piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the first locking mechanism and the second locking mechanism, when the external member and the internal member are used, the included angle between the external member and the internal member can be adjusted only by simultaneously pressing the two pressing sheets to ensure that the first toothed ring and the second toothed ring are both disengaged from the corresponding first annular tooth grooves, and after the adjustment is finished, the pressing sheets are loosened to ensure that the first toothed ring and the second toothed ring are again engaged with the corresponding first annular tooth grooves under the action of the first spring and the second spring, so that the angle between the external member and the internal member can be locked, the operation is simple, and the use is convenient.

2. According to the utility model, through the arrangement of the first threading groove, the second threading groove and the threading hole, the lead can pass through the outer sleeve piece and the inner sleeve piece, so that the lead is prevented from being exposed outside the damping rotating shaft, good protection can be provided for the lead, and meanwhile, the attractiveness is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a damping rotating shaft with a self-locking function.

Fig. 2 is a schematic structural diagram of a first annular tooth groove in a damping rotating shaft with a self-locking function.

Fig. 3 is an exploded view of a damping rotating shaft with a self-locking function.

Fig. 4 is a partial sectional view of a damping rotating shaft having a self-locking function.

Fig. 5 is a schematic structural diagram of a rotary damper in a damping rotating shaft with a self-locking function.

The outer sleeve member 1, the inner sleeve member 2, the decorative shell 3, the lead 4, the first annular tooth groove 5, the second annular tooth groove 6, the first threading groove 7, the first pressing block 8, the limiting ring 9, the first toothed ring 10, the first spring 11, the rotating shaft seat 12, the second pressing block 13, the second toothed ring 14, the second spring 15, the threading ring 16, the threading hole 17, the second threading groove 18, the pressing sheet 19, the rotary damper 20, the shaft body 21, the rotary sleeve 22, the elastic ring sheet 23 and the nut 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a damping rotating shaft with a self-locking function includes an outer sleeve member 1, an inner sleeve member 2, a lead 4, and a rotary damper 20, where one end of the outer sleeve member 1 is a U-shaped connecting end, two first annular tooth sockets 5 are symmetrically arranged on outer walls of two sides of the U-shaped connecting end in a penetrating manner, one end of the inner sleeve member 2 is a connecting ring, the connecting ring is located inside the U-shaped connecting end, two second annular tooth sockets 6 are symmetrically arranged on outer walls of two sides of the connecting ring, a first threading slot 7 is arranged on an inner wall of the connecting ring in a penetrating manner, a first locking mechanism and a second locking mechanism are arranged in the U-shaped connecting end and the connecting ring, the rotary damper 20 is located in the first locking mechanism, and outer walls of the outer sleeve member 1 and the inner sleeve member 2 are fixedly connected with a decorative shell 3 that is adapted to each other.

The first locking mechanism comprises a first pressing block 8, a limiting ring 9, a first toothed ring 10, a first spring 11 and a rotating shaft seat 12, the limiting ring 9 is fixedly connected with the outer wall of the U-shaped connecting end, the first pressing block 8 penetrates into the U-shaped connecting end through the limiting ring 9, the bottom end of the first toothed ring 10 and the rotating shaft seat 12 are located in the same second annular toothed groove 6, the rotating shaft seat 12 is matched with the second annular toothed groove 6, the first toothed ring 10 is simultaneously matched with the adjacent first annular toothed groove 5 and the second annular toothed groove 6, the first spring 11 is located between the first toothed ring 10 and the rotating shaft seat 12, the first pressing block 8 is in sliding connection with the limiting ring 9, the bottom of the first pressing block 8 is abutted to the top of the first toothed ring 10, and the rotary damper 20 is matched with the rotating shaft seat 12 and the limiting ring 9.

During the use, press first briquetting 8, make first ring gear 10 break away from with first annular tooth's socket 5, only cooperate with second annular tooth's socket 6, can rotate U type link on the go-between to realize the rotation of overcoat spare 1 and interior external member 2, after adjusting the contained angle between overcoat spare 1 and the interior external member 2 to required angle, loosen first briquetting 8, make first ring gear 10 cooperate with first annular tooth's socket 5 again under the effect of first spring 11, can lock with interior external member 2 to overcoat spare 1.

The second locking mechanism comprises a second pressing block 13, a second toothed ring 14, a second spring 15 and a wire passing ring 16, the second pressing block 13 is connected with the U-shaped connecting end in a sliding mode, the second pressing block 13 is located on the inner side of the decorative shell 3, the top of the second pressing block 13 is abutted to the bottom of the second toothed ring 14, the top end of the second toothed ring 14 and the wire passing ring 16 are located in the same second annular tooth groove 6, the wire passing ring 16 is matched with the second annular tooth groove 6, the second toothed ring 14 is simultaneously matched with the adjacent first annular tooth groove 5 and the second annular tooth groove 6, and the second spring 15 is located between the second toothed ring 14 and the wire passing ring 16.

During the use, after pressing first briquetting, press second briquetting 13 again, make second ring gear 14 break away from with first annular tooth's socket 5, only cooperate with second annular tooth's socket 6, can rotate U type link on the go-between to realize the rotation of overcoat spare 1 and interior external member 2, after adjusting the contained angle between overcoat spare 1 and the interior external member 2 to required angle, loosen second briquetting 13, make second ring gear 14 cooperate with first annular tooth's socket 5 again under the effect of second spring 15, can lock overcoat spare 1 and interior external member 2.

The rotary damper 20 comprises a shaft body 21, wherein the limiting ring 9 is sleeved at the top end of the shaft body 21, the top end of the shaft body 21 is a non-cylindrical body, the limiting ring 9 cannot rotate at the top end of the shaft body 21, the outer wall of the shaft body 21 is rotatably connected with a rotating sleeve 22, the rotating sleeve 22 is sleeved on the rotating base 12, the outer contour of the rotating sleeve 22 is not circular, so that the rotating sleeve 22 is prevented from rotating in the rotating base 12, a nut 24 is connected to the bottom end of the shaft body 21 through threads, an elastic ring piece 23 is movably sleeved on the outer wall of the shaft body 21, and the elastic ring piece 23 is positioned between the rotating sleeve 22 and the nut 24.

Before the installation, the pressing force of the elastic ring piece 23 on the rotary sleeve 22 can be adjusted by rotating the nut 24 on the shaft body 21, so that the damping magnitude of the rotary damper 20 can be adjusted.

The outer walls of the first pressing block 8 and the second pressing block 13 are connected with pressing sheets 19 through buckles.

Through the setting of preforming 19, not only can play the decorative effect, be convenient for operate first briquetting 8 and second briquetting 13 simultaneously.

The outer wall of second briquetting 13 runs through and is provided with through wires hole 17, the relative outer wall symmetry of crossing wire ring 16, pivot seat 12 has seted up second threading groove 18, the one end of second threading groove 18 is towards first threading groove 7, the one end of wire 4 gets into the back by the one end of overcoat spare 1 and penetrates in second briquetting 13 through wire hole 17, passes second briquetting 13, second ring gear 14 again, crosses behind the wire ring 16 and is worn out by the one end of endotheca spare 2 in getting into first threading groove 7 and by the one end of second threading groove 18 department.

Through adopting above-mentioned setting, can make wire 4 pass between outer sleeve member 1 and internal member 2 to avoid wire 4 to expose in the outside of damping pivot, can provide good protection to wire 4, improved the aesthetic property simultaneously greatly.

The working principle of the utility model is as follows:

according to the utility model, through the arrangement of the first locking mechanism and the second locking mechanism, when the angle locking device is used, the included angle between the external member 1 and the internal member 2 can be adjusted only by simultaneously pressing the two pressing sheets 19 to ensure that the first toothed ring 10 and the second toothed ring 14 are both disengaged from the corresponding first annular tooth socket 5, and after the adjustment is finished, the pressing sheets 19 are loosened to ensure that the first toothed ring 10 and the second toothed ring 14 are again engaged with the corresponding first annular tooth socket 5 under the action of the first spring 11 and the second spring 15, so that the angle between the external member 1 and the internal member 2 can be locked, the operation is simple, and the use is convenient.

According to the utility model, the first threading groove 7, the second threading groove 18 and the threading hole 17 are arranged, so that the lead 4 can pass through the space between the outer sleeve member 1 and the inner sleeve member 2, the lead 4 is prevented from being exposed outside the damping rotating shaft, good protection can be provided for the lead 4, and meanwhile, the attractiveness is greatly improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a damping pivot with self-locking function which characterized in that: including overcoat spare (1), internal member (2), wire (4) and rotary damper (20), overcoat spare (1) one end is U type link, and the both sides outer wall symmetry of U type link runs through and is provided with two first annular tooth's socket (5), the one end of internal member (2) is the go-between, the go-between is located the inboard of U type link, two second annular tooth's socket (6) have been seted up to the both sides outer wall symmetry of go-between, the inner wall of go-between runs through and is provided with first threading groove (7), be provided with first locking mechanical system and second locking mechanical system in U type link and the go-between, rotary damper (20) are located first locking mechanical system, the decoration shell (3) of the equal fixedly connected with looks adaptation of outer wall of overcoat spare (1), internal member (2).

2. The damping rotating shaft with the self-locking function according to claim 1, wherein: the first locking mechanism comprises a first pressing block (8), a limiting ring (9), a first toothed ring (10), a first spring (11) and a rotating shaft seat (12), the limiting ring (9) is fixedly connected with the outer wall of the U-shaped connecting end, the first pressing block (8) penetrates into the U-shaped connecting end through the limiting ring (9), the bottom end of the first toothed ring (10) and the rotating shaft seat (12) are located in the same second annular toothed groove (6), the rotating shaft seat (12) is matched with the second annular toothed groove (6), the first toothed ring (10) is simultaneously matched with the adjacent first annular toothed groove (5) and the second annular toothed groove (6), the first spring (11) is located between the first toothed ring (10) and the rotating shaft seat (12), the first pressing block (8) is in sliding connection with the limiting ring (9), the bottom of the first pressing block (8) is abutted to the top of the first toothed ring (10), the rotary damper (20) is matched with the rotary shaft seat (12) and the limiting ring (9).

3. The damping rotating shaft with the self-locking function according to claim 2, characterized in that: the second locking mechanism comprises a second pressing block (13), a second toothed ring (14), a second spring (15) and a wire passing ring (16), the second pressing block (13) is connected with the U-shaped connecting end in a sliding mode, the second pressing block (13) is located on the inner side of the decorative shell (3), the top of the second pressing block (13) abuts against the bottom of the second toothed ring (14), the top end of the second toothed ring (14) and the wire passing ring (16) are located in the same second annular tooth socket (6), the wire passing ring (16) is matched with the second annular tooth socket (6), the second toothed ring (14) is simultaneously matched with the adjacent first annular tooth socket (5) and the second annular tooth socket (6), and the second spring (15) is located between the second toothed ring (14) and the wire passing ring (16).

4. The damping rotating shaft with the self-locking function according to claim 2, characterized in that: rotatory attenuator (20) include axis body (21), spacing ring (9) cover is established in the top department of axis body (21), the outer wall of axis body (21) rotates and is connected with and changes cover (22), the outside of changeing cover (22) is established in pivot seat (12) cover, the bottom threaded connection of axis body (21) has nut (24), the outer wall activity of axis body (21) is cup jointed elastic ring piece (23), elastic ring piece (23) are located and are changeed between cover (22) and nut (24).

5. The damping rotating shaft with the self-locking function according to claim 3, characterized in that: the outer walls of the first pressing block (8) and the second pressing block (13) are connected with pressing sheets (19) through buckles.

6. The damping rotating shaft with the self-locking function according to claim 3, characterized in that: the outer wall of second briquetting (13) runs through and is provided with through wires hole (17), second through wires groove (18) have been seted up to the relative outer wall symmetry of crossing wire ring (16), pivot seat (12), the one end of second through wires groove (18) is towards first through wires groove (7), the one end of wire (4) is passed through in wire hole (17) penetrates second briquetting (13) after getting into by the one end of overcoat spare (1), again passes second briquetting (13), second ring gear (14), crosses wire ring (16) after by second through wires groove (18) department get into in first through wires groove (7) and wear out by the one end of endotheca (2).