CN217761937U

CN217761937U - Rotating mechanism

Info

Publication number: CN217761937U
Application number: CN202222130389.4U
Authority: CN
Inventors: 黄锡初
Original assignee: Foshan Shunde Longjiang Weigao Furniture Manufacturing Co ltd
Current assignee: Foshan Shunde Longjiang Weigao Furniture Manufacturing Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-08
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a rotary mechanism, this mechanism includes the reset tube, the drive tube, pipe box and spring, the lateral wall of reset tube vertically is equipped with the slotted hole, it is intraductal that the reset tube activity is located to the drive tube activity, its outer wall is equipped with and exposes the drive shaft of activity from top to bottom outside the slotted hole and along the slotted hole, the pipe box activity is cup jointed in the reset tube periphery and is connected the drive shaft through its slope bottom surface contact, the spring is located the reset tube of drive tube below and is upwards elasticity prop up the drive tube, go upward the slope bottom surface high point that the card goes into the pipe box and make drive tube and reset tube automatic re-setting with the drive shaft. The utility model discloses simple structure, the dependable performance.

Description

Rotating mechanism

Technical Field

The utility model relates to a rotary mechanism's institutional advancement.

Background

Many mechanical devices are provided with rotating mechanisms, but most rotating mechanisms do not have an automatic reset function, or have an automatic reset function but have poor reliability due to complex structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotary mechanism with automatic re-setting function and simple structure are reliable.

The utility model adopts the technical scheme as follows:

a rotary mechanism comprising:

a reset tube; the side wall of the reset tube is longitudinally provided with a long through hole;

a drive tube; the driving tube is movably arranged in the reset tube, and the outer wall of the driving tube is provided with a driving shaft which is exposed out of the long through hole and moves up and down along the long through hole;

pipe sleeve; the pipe sleeve is movably sleeved on the periphery of the reset pipe and is in contact connection with the driving shaft through the inclined bottom surface of the pipe sleeve, so that the driving shaft can slide along the circumferential direction of the inclined bottom surface of the driving shaft to drive the driving pipe and the reset pipe to rotate;

a spring; the spring is arranged in the reset tube below the driving tube and elastically supports the driving tube upwards so as to drive the driving shaft to go upwards and be clamped into the inclined bottom surface high point of the pipe sleeve to enable the driving tube and the reset tube to automatically reset.

Preferably, the driving shaft is provided with a driving wheel capable of rolling along the circumferential direction of the inclined bottom surface of the pipe sleeve.

Preferably, the driving wheel is a ball bearing and movably sleeved on the driving shaft through a central hole of the ball bearing.

Preferably, the outer wall of the driving pipe is provided with a reinforcing rod connected with the driving shaft.

According to the preferable scheme, the outer wall of the driving pipe is provided with a boss which movably penetrates out of the long through hole, the middle of the reinforcing rod is attached to the outer end face of the boss and fixed to the boss through a first screw, the top end of the reinforcing rod is fixed to the outer end face of the driving shaft through a second screw, and the bottom end of the reinforcing rod is clamped and fixed in a clamping groove formed in the outer end face of the boss through a clamping head formed in the bottom end of the reinforcing rod, so that the driving shaft and the boss are fixedly connected into a whole.

As the preferred scheme, the bearing groove is formed in the inner top of the pipe sleeve, and a bearing used for rotatably connecting the pipe sleeve to the reset pipe is arranged in the bearing groove.

As the preferred scheme, the outer wall of the pipe sleeve is provided with an axial external spline, the high point of the inclined bottom surface is provided with a concave arc groove, and the low point of the inclined bottom surface is provided with a convex arc rib.

As a preferred scheme, the top end of the spring is inserted into the driving tube and supports the spring supporting piece arranged at the inner top wall of the driving tube and the bottom end of the spring supporting piece arranged at the bottom of the reset tube; the top opening of the long through hole is closed, and the bottom opening of the long through hole is communicated with the bottom end of the reset tube.

Preferably, the spring support is an end cover and is welded and fixed at the bottom end of the reset tube, so that the reset tube and the bottom opening of the long through hole are sealed.

Preferably, the spring support member is provided with a central through hole.

The utility model discloses a combination of a reset tube, a drive tube, a pipe box and a spring has realized the rotation from the reset function promptly. The utility model has the advantages of simple and reliable performance and wide applicability.

Drawings

Fig. 1 is a longitudinal sectional view of the overall structure of an embodiment of the present invention;

fig. 2 is a partial schematic structural diagram of an embodiment of the present invention;

fig. 3 is a second partial schematic structural diagram of the embodiment of the present invention;

fig. 4 is an exploded view of fig. 3.

Detailed Description

The present invention will be described with reference to the accompanying drawings and specific embodiments.

Referring to FIGS. 1-4:

the utility model provides a rotary mechanism, includes reset tube 1, and the lateral wall of this reset tube 1 vertically is equipped with the long through-hole 1.1 that the apical foramen is sealed, end opening link up this reset tube 1 bottom.

The mechanism further comprises a drive tube 2; the driving tube 2 is movably arranged in the reset tube 1, the outer wall of the driving tube is provided with a driving shaft 2.1 which is exposed out of the long through hole 1.1 and moves up and down along the long through hole 1.1, the driving shaft 2.1 is provided with a driving wheel 8, and the driving wheel 8 is a ball bearing and is movably sleeved on the driving shaft 2.1 through the center hole thereof.

The mechanism also comprises a pipe sleeve 3; the pipe sleeve 3 is movably sleeved on the periphery of the reset pipe 1 through a bearing 9 arranged in a bearing groove at the inner top part of the pipe sleeve and is in contact connection with the driving shaft 2.1 through the inclined bottom surface of the pipe sleeve, so that the driving shaft 2.1 can slide along the circumferential direction of the inclined bottom surface of the pipe sleeve, and the driving wheel 8 can roll along the circumferential direction of the inclined bottom surface of the pipe sleeve to drive the driving pipe 2 and the reset pipe 1 to rotate; the outer wall of the pipe sleeve 3 is provided with an axial external spline 3.1, the high point of the inclined bottom surface is provided with a concave arc groove 3.2 for the driving wheel 8 to reset and fall into, and the low point of the inclined bottom surface is provided with a convex arc rib 3.3 which is convenient for the driving wheel 8 to roll circumferentially.

The mechanism also comprises a spring 4, wherein the spring 4 is arranged in the reset tube 1 below the driving tube 2, the top end of the spring 4 extends into the driving tube 2 and supports the inner top wall of the driving tube 2, and the bottom end supports a spring supporting piece 10 arranged at the bottom of the reset tube 1, the spring supporting piece 10 is an end cover and is welded and fixed at the bottom end of the reset tube 1, so that the reset tube 1 and the bottom opening of the long through hole 1.1 are sealed, the driving tube 2 is sealed in the reset tube 1, and the driving shaft 2.1 is sealed in the long through hole 1.1; the spring 4 elastically supports the driving pipe 2 upwards to drive the driving wheel 8 on the driving shaft 2.1 to upwards clamp the concave ring groove 3.2, so that the driving pipe 2 and the reset pipe 1 automatically reset.

The mechanism further comprises a reinforcing rod 5, a boss 2.2 which movably penetrates out of the long through hole 1.1 is arranged on the outer wall of the driving pipe 2 below the driving shaft 2.1, the middle of the reinforcing rod 5 is attached to the outer end face of the boss 2.2 and fixed to the boss 2.2 through a first screw 6, the top of the reinforcing rod is fixed to the outer end face of the driving shaft 2.1 through a second screw 7, and the bottom of the reinforcing rod is clamped and fixed in a clamping groove 2.21 formed in the outer end face of the boss 2.2 through a clamping head 5.1 formed in the bottom end of the reinforcing rod, so that the driving shaft 2.1 and the boss 2.2 are fixedly connected into a whole, the structural strength of the driving shaft 2.1 is improved, and meanwhile, the driving wheel 8 is stably limited on the driving shaft 2.1.

The mechanism also comprises a telescopic cylinder 11, wherein the telescopic cylinder 11 is provided with a lifting shaft 11.1 which is exposed out of one end of a cylinder body, a reset tube 1 is fixedly sleeved on an exposed part of the lifting shaft 11.1, and the lifting shaft 11.1 is exposed after penetrating through a hollow pipeline formed by the reset tube 1, a driving tube 2, a spring 4 and a central through hole arranged on a spring supporting piece 10.

When the telescopic tube is used, the telescopic cylinder 11 can be fixedly connected to the rotating body, the tube sleeve 3 is connected to the non-rotating body, the rotating body is driven to rotate through external force, the telescopic cylinder 11 rotates along with the rotating body, the telescopic cylinder 11 drives the reset tube 1 and the driving tube 2 to rotate, and the driving wheel 8 on the driving tube 2 can roll to any angle along the inclined bottom surface of the tube sleeve 3. After the external force is released, the tension of the spring 4 can drive the driving wheel 8 to automatically return to the concave ring groove 3.2, so that the driving pipe 2, the reset pipe 2, the telescopic cylinder 11 and the rotating object are driven to automatically reset. In addition, the telescopic shaft 11.1 can also be used for driving the rotating body to lift.

Claims

1. A rotary mechanism characterized by comprising:

a reset tube (1); the side wall of the reset tube (1) is longitudinally provided with a long through hole (1.1);

a drive tube (2); the driving tube (2) is movably arranged in the reset tube (1), and the outer wall of the driving tube is provided with a driving shaft (2.1) which is exposed out of the long through hole (1.1) and moves up and down along the long through hole (1.1);

a pipe sleeve (3); the pipe sleeve (3) is movably sleeved on the periphery of the reset pipe (1) and is in contact connection with the driving shaft (2.1) through the inclined bottom surface of the pipe sleeve, so that the driving shaft (2.1) can slide along the circumferential direction of the inclined bottom surface of the pipe sleeve to drive the driving pipe (2) and the reset pipe (1) to rotate;

a spring (4); the spring (4) is arranged in the reset tube (1) below the driving tube (2) and elastically supports the driving tube (2) upwards so as to drive the driving shaft (2.1) to go upwards and be clamped into the inclined bottom surface high point of the tube sleeve (3) to enable the driving tube (2) and the reset tube (1) to automatically reset.

2. A rotary mechanism according to claim 1, wherein: the driving shaft (2.1) is provided with a driving wheel (8) which can roll along the circumferential direction of the inclined bottom surface of the pipe sleeve (3).

3. A rotary mechanism according to claim 2, wherein: the driving wheel (8) is a ball bearing and is movably sleeved on the driving shaft (2.1) through a central hole thereof.

4. A rotary mechanism according to claim 1, wherein: the outer wall of the driving pipe (2) is provided with a reinforcing rod (5) connected with the driving shaft (2.1).

5. A rotary mechanism according to claim 4, wherein: the outer wall of the driving pipe (2) is provided with a boss (2.2) which movably penetrates out of the long through hole (1.1), the middle of the reinforcing rod (5) is attached to the outer end face of the boss (2.2) and fixed to the boss (2.2) through a first screw (6), the top end of the reinforcing rod is fixed to the outer end face of the driving shaft (2.1) through a second screw (7), and the bottom end of the reinforcing rod is clamped and fixed in a clamping groove (2.21) formed in the outer end face of the boss (2.2) through a clamping head (5.1) formed in the bottom end of the reinforcing rod, so that the driving shaft (2.1) and the boss (2.2) are fixedly connected into a whole.

6. A rotary mechanism according to claim 1, wherein: the inner top of the pipe sleeve (3) is provided with a bearing groove, and a bearing (9) for rotatably connecting the pipe sleeve (3) to the reset pipe (1) is arranged in the bearing groove.

7. A rotary mechanism according to claim 6, wherein: the outer wall of the pipe sleeve (3) is provided with an axial external spline (3.1), the high point of the inclined bottom surface is provided with a concave arc groove (3.2), and the low point of the inclined bottom surface is provided with a convex arc rib (3.3).

8. A rotary mechanism according to claim 1, wherein: the top end of the spring (4) extends into the driving pipe (2) and supports the inner top wall of the driving pipe (2), and the bottom end supports the spring supporting piece (10) arranged at the bottom of the reset pipe (1); the top opening of the long through hole (1.1) is closed, and the bottom opening of the long through hole is communicated with the bottom end of the reset tube (1).

9. A rotary mechanism according to claim 8, wherein: the spring support piece (10) is an end cover and is welded and fixed at the bottom end of the reset tube (1), so that the bottom openings of the reset tube (1) and the long through hole (1.1) are sealed.

10. A rotary mechanism according to claim 9, wherein: the spring supporting piece (10) is provided with a central through hole.