CN210949514U

CN210949514U - Rotating shaft with angle self-locking function

Info

Publication number: CN210949514U
Application number: CN201922010742.3U
Authority: CN
Inventors: 廖巧华
Original assignee: Shenzhen Smooth Technology Co ltd
Current assignee: Shenzhen Smooth Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-07
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a pivot with angle self-locking function, include: hollow adapter sleeve, connecting axle, lock dish and adjusting screw. The second end tip of adapter sleeve is equipped with the fixing base, and the interior terminal surface of fixing base is equipped with the bellying coaxial with the adapter sleeve, and the bellying inserts in the adapter sleeve. The lock disc is elastically connected to the end face of the protruding portion and slides along the axial direction of the connecting sleeve. Be equipped with the through-hole coaxial with the bellying in the fixing base, adjusting screw's first end inserts in the through-hole to with the inner wall threaded connection of through-hole, adjusting screw's second end protrusion fixing base's outer terminal surface. The end face of the lock disc facing the connecting shaft is provided with a first gear ring, and the end face of the connecting shaft facing the lock disc is provided with a second gear ring. The utility model has the advantages that: overall structure is simple, and the user can pin the pivot after rotating the angle of needs, prevents that the pivot from continuing to rotate under the exogenic action to convenience of customers uses.

Description

Rotating shaft with angle self-locking function

Technical Field

The utility model relates to a technical field of pivot, in particular to pivot with angle self-locking function.

Background

The rotating shaft is widely applied as a connecting part of products, for example, electronic products such as a flip phone and a notebook computer have the rotating shaft to realize the rotation of the display screen. The existing rotating shaft does not have a locking mechanism and a self-locking function, and after a user rotates the rotating shaft to a required angle, the rotating shaft is prevented from continuously rotating through the damping action of the rotating shaft. However, the prevention of the continuous rotation of the rotating shaft by the damping action is limited to the case that the rotating shaft is subjected to external vibration or shaking force is small, and when the rotating shaft is subjected to external vibration or shaking force is large, the continuous rotation cannot be prevented by the self-damping action.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide a pivot with angle self-locking function, which aims to solve the problem that the existing pivot does not have a locking mechanism, and the user can not stop continuing the rotation by self damping action if the pivot receives the outside vibration or shaking the power when the angle is large after rotating the pivot to the required angle.

In order to achieve the above object, the utility model provides a pivot with angle self-locking function, include: hollow adapter sleeve, connecting axle, lock dish and adjusting screw. The outer wall of the connecting sleeve is connected with the first main body outside, the first end of the connecting shaft is rotatably arranged in the first end of the connecting sleeve, and the end part of the second end of the connecting shaft is connected with the second main body outside. The second end tip of adapter sleeve is equipped with the fixing base, and the interior terminal surface of fixing base is equipped with the bellying coaxial with the adapter sleeve, and the bellying inserts in the adapter sleeve. The lock disc is elastically connected to the end face of the protruding portion and slides along the axial direction of the connecting sleeve. Be equipped with the through-hole coaxial with the bellying in the fixing base, adjusting screw's first end inserts in the through-hole to with the inner wall threaded connection of through-hole, adjusting screw's second end protrusion fixing base's outer terminal surface. The end face of the lock disc facing the connecting shaft is provided with a first gear ring, and the end face of the connecting shaft facing the lock disc is provided with a second gear ring.

Preferably, the first end face of the connecting shaft is fixed with a rotary table through a screw, the first end face of the connecting sleeve is provided with a sliding groove, and the rotary table slides in the sliding groove. The outer wall of the first end of the connecting shaft is sleeved with a fixing ring, and the fixing ring is abutted against the rotary table and is fixedly connected with the connecting sleeve through a screw.

Preferably, the fixed seat is fixed at the second end of the connecting sleeve by a screw.

Preferably, a plurality of springs are arranged between the lock disc and the end face of the boss, first ends of the springs are fixed on the lock disc, and second ends of the springs are fixed on the end face of the boss.

Preferably, the inner wall of the connecting sleeve is provided with a guide groove along the axial direction thereof, and the peripheral side wall of the lock disc is provided with a guide bar which slides in the guide groove.

Preferably, the second end of the adjusting screw is provided with an adjusting wheel.

Preferably, the lock disc is provided with a push rod, and the push rod is partially inserted into the through hole.

Compared with the prior art, the beneficial effects of the utility model reside in that: overall structure is simple, and the user can pin the pivot after rotating the angle of needs, prevents that the pivot from continuing to rotate under the exogenic action to convenience of customers uses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of an embodiment of a rotating shaft with an angle self-locking function according to the present invention;

fig. 2 is a schematic perspective view of a lock plate according to an embodiment of the present invention;

the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The utility model provides a pivot with angle self-locking function.

Referring to fig. 1-2, fig. 1 is a schematic cross-sectional structure diagram of an embodiment of a rotating shaft with an angle self-locking function of the present invention, and fig. 2 is a schematic three-dimensional structure diagram of an embodiment of a lock disk of the present invention.

As shown in fig. 1, in the embodiment of the present invention, the rotating shaft with angle self-locking function includes: hollow adapter sleeve 100, connecting axle 200, lock dish 300 and adjusting screw 400.

The outer wall of the connecting sleeve 100 is connected with the first body outside, the first end of the connecting shaft 200 is rotatably arranged in the first end of the connecting sleeve 100, and the second end of the connecting shaft 200 is connected with the second body outside.

Specifically, in the present embodiment, a first end face of the connecting shaft 200 is fixed with a rotating disc 210 through a screw, and a first end face of the connecting sleeve 100 is provided with a sliding slot in which the rotating disc 210 slides. The outer wall of the first end of the connecting shaft 200 is sleeved with a fixing ring 220, the fixing ring 220 presses against the rotating disc 210 and is fixedly connected with the connecting sleeve 100 through a screw, and therefore the first end of the connecting shaft 200 is rotatably arranged in the first end of the connecting sleeve 100.

A fixing seat 110 is fixed at the second end of the connecting sleeve 100 through a screw, a protruding part 111 coaxial with the connecting sleeve 100 is arranged on the inner end surface of the fixing seat 110, and the protruding part 111 is inserted into the connecting sleeve 100.

The locking disc 300 is elastically coupled to an end surface of the boss 111 and slides in an axial direction of the coupling sleeve 100.

Specifically, in this embodiment, a plurality of springs 500 are disposed between the lock collar 300 and the end surface of the protruding portion 111, the plurality of springs 500 are uniformly arranged along the circumferential direction of the lock collar 300, a first end of the spring 500 is fixed on the lock collar 300, and a second end of the spring 500 is fixed on the end surface of the protruding portion 111, so as to achieve the elastic connection between the lock collar 300 and the end surface of the protruding portion 111.

As shown in fig. 1-2, the inner wall of the connecting sleeve 100 is provided with a guide groove 120 along the axial direction thereof, the circumferential side wall of the lock disc 300 is provided with a guide bar 310, and the guide bar 310 slides in the guide groove 120, so that the lock disc 300 slides along the axial direction of the connecting sleeve 100, and the rotation of the lock disc 300 is limited.

A through hole coaxial with the boss 111 is formed in the fixing seat 110, a first end of the adjusting screw 400 is inserted into the through hole and is in threaded connection with the inner wall of the through hole, and a second end of the adjusting screw 400 protrudes out of the outer end face of the fixing seat 110.

Specifically, in the present embodiment, to facilitate the rotation of the adjustment screw 400, the second end of the adjustment screw 400 is provided with an adjustment wheel 410.

In order to shorten the overall length of the adjusting screw 400 and reduce the deformation of the adjusting screw 400 along the axial direction, so that the pressing force of the lock disc 300 by the adjusting screw 400 is more uniform, the push rod 320 is arranged on the lock disc 300, and the push rod 320 is partially inserted into the through hole.

The end surface of the lock disc 300 facing the connecting shaft 200 is provided with a first gear ring 330, and the end surface of the upper disc 210 facing the lock disc 300 on the connecting shaft 200 is provided with a second gear ring.

The utility model discloses a theory of operation: when the adjusting screw 400 rotates to not press the push rod 320 on the lock disc 300, the first gear 330 on the lock disc 300 is separated from the second gear on the turntable 210, and the connecting shaft 200 can rotate normally. When the connecting shaft 200 rotates to the angle required by the user, the user can rotate the adjusting screw 400, so that the adjusting screw 400 presses against the push rod 320 on the lock disc 300, and pushes the lock disc 300 to slide to the direction of the rotary disc 210 until the first gear ring 330 on the lock disc 300 is engaged with the second gear ring on the rotary disc 210. At this time, the connecting shaft 200 cannot rotate any more under the restriction of the lock disc 300, thereby realizing the self-locking of the rotating shaft.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a pivot with angle self-locking function which characterized in that includes: a hollow connecting sleeve, a connecting shaft, a lock disc and an adjusting screw rod; the outer wall of the connecting sleeve is connected with an external first main body, a first end of the connecting shaft is rotatably arranged in the first end of the connecting sleeve, and the end part of a second end of the connecting shaft is connected with an external second main body; a fixed seat is arranged at the second end part of the connecting sleeve, a protruding part coaxial with the connecting sleeve is arranged on the inner end surface of the fixed seat, and the protruding part is inserted into the connecting sleeve; the lock disc is elastically connected to the end face of the protruding part and slides along the axial direction of the connecting sleeve; a through hole coaxial with the bulge is formed in the fixed seat, a first end of the adjusting screw rod is inserted into the through hole and is in threaded connection with the inner wall of the through hole, and a second end of the adjusting screw rod protrudes out of the outer end face of the fixed seat; the lock disc faces the end face of the connecting shaft, a first gear ring is arranged on the end face of the lock disc, and a second gear ring is arranged on the end face of the connecting shaft, which faces the lock disc.

2. The rotating shaft with the angle self-locking function according to claim 1, wherein a rotating disc is fixed on the first end surface of the connecting shaft through a screw, a sliding groove is formed in the first end surface of the connecting sleeve, and the rotating disc slides in the sliding groove; the outer wall of the first end of the connecting shaft is sleeved with a fixing ring, and the fixing ring is abutted against the rotary table and is fixedly connected with the connecting sleeve through a screw.

3. The rotating shaft with angle self-locking function according to claim 1, wherein the fixing seat is fixed at the second end of the connecting sleeve by a screw.

4. The rotating shaft with the angle self-locking function according to claim 1, wherein a plurality of springs are arranged between the lock disc and the end surface of the protruding portion, a first end of each spring is fixed on the lock disc, and a second end of each spring is fixed on the end surface of the protruding portion.

5. The rotating shaft with angle self-locking function according to claim 1, wherein the inner wall of the connecting sleeve is provided with a guide groove along the axial direction thereof, and the circumferential side wall of the lock disc is provided with a guide bar which slides in the guide groove.

6. The rotating shaft with the angle self-locking function according to any one of claims 1 to 5, wherein an adjusting wheel is arranged at the second end of the adjusting screw rod.

7. The hinge with angular self-locking function according to claim 6, wherein a push rod is provided on the lock plate, and the push rod is partially inserted into the through hole.