CN107943201B - Mechanism and method for controlling movement of swinging equipment - Google Patents

Abstract

The invention provides a mechanism and a method for controlling movement of swinging equipment, and belongs to the field of control. The utility model provides a mechanism of control swing equipment motion, includes the swing equipment that installs, opens and closes the switch of swing equipment, the switch with swing equipment links to each other, opens the stay wire of switch and stay wire opening device, stay wire one end with stay wire opening device links to each other, the other end with the switch links to each other, stay wire opening device is pulled when the stay wire is opened the switch swing equipment can move, the switch is closed the time swing equipment lock is dead. The method for controlling the movement of the swinging equipment provided by the invention is to control the swinging of the swinging equipment by using the stay wire opening device and the stay wire. The invention realizes the precision and timeliness of control and the permanence of control by using mechanical control, and the mechanical mechanism of the invention can reduce the manufacturing cost and the use cost of control.

Description

A mechanism and method for controlling the movement of swinging equipment

technical field

The invention relates to the field of control, in particular to a mechanism and method for controlling the motion of a swing device.

Background technique

At present, electrical control or intelligent control is involved in many fields, but electrical control or intelligent control has control delay and is prone to program failure, and the cost of using electrical control or intelligent control is high, while mechanical control has timeliness and precision. Moreover, the manufacturing cost and the use cost are low, and the electrical control or intelligent control depends on energy power, most of which depend on the power supply. When the power supply is exhausted, the control function will fail.

Therefore, the present application aims to provide a mechanism and method for controlling the movement of a swing device.

Contents of the invention

The purpose of the present invention is to provide a mechanism and method for controlling the motion of the swinging device, realize real-time and precise control, reduce the manufacturing cost and use cost of the control mechanism, and the control function is not limited by energy.

The technical scheme provided by the invention is as follows:

The invention provides a mechanism for controlling the movement of a swing device, comprising:

Installed swing equipment;

turning on and off a switch of the oscillating device, the switch being connected to the oscillating device;

A pull wire for opening the switch and a pull wire opening device;

One end of the pull wire is connected to the pull wire opening device, and the other end is connected to the switch;

The swing device can move when the pull wire opening device pulls the pull wire to open the switch, and the swing device is locked when the switch is closed.

Preferably, the swing device is an armrest, and the switch is a deadlock switch.

Preferably, the deadlock switch includes:

A limit claw installed at the end of the handrail;

Support plate installed at the fixed connection;

a locking shaft capable of snapping into and out of said stop pawl;

A resetting device with one end connected to the support plate and the other end connected to the locking shaft, the resetting device has elasticity.

Preferably, the deadlock switch includes:

A rotating shaft connected to the handrail, with a specific groove in the middle of the rotating shaft;

a fixed sleeve set on the rotating shaft, and the fixed sleeve is fixedly installed at the joint;

a mounting piece connected between the fixed sleeve and the rotating shaft;

The mounting part has a pin that can move up and down, and when the pin moves upwards, it can be stuck between the fixed sleeve and the rotating shaft;

The mounting part further includes a spring, one end of the spring is fixedly connected to the mounting part, and the other end is fixedly connected to the pin.

Preferably, the swing device is a swing arm, the swing arm is driven to swing by the drive device, and the drive device is turned on and off by a drive switch.

Preferably, the pull wire opening device includes:

fixed handles;

A brake handle installed on the handle, the brake handle can be pinched;

The brake handle is connected with the pull wire, and pinching the brake handle can pull the pull wire to open the switch.

Preferably, the pull wire opening device includes:

fixed handles;

a rotating mechanism mounted on the handle;

The rotating mechanism is connected with the pull wire, and turning the rotating mechanism can pull the pull wire to turn on the switch.

A method of controlling the motion of a swing device, comprising the steps of:

S1, pinch the brake handle, pull the pull wire to turn on the switch, and the swing device can move;

S2, the brake handle is released, the switch is reset, and the swing device is locked.

A method of controlling the motion of a swing device, comprising the steps of:

S1, turning the rotating mechanism to pull the pull wire to turn on the switch, so that the swing device can move;

S2, reversely rotate the rotating mechanism and reset the switch, and lock the swinging device.

A mechanism and method for controlling the motion of a swing device provided by the present invention can bring at least one of the following beneficial effects:

1. The present invention utilizes the mechanical structure to realize the motion control of the swing mechanism, which can realize real-time and precise control;

2. The number of mechanical structures of the present invention is small, the manufacturing and material costs are low, and the cost of the control mechanism can be effectively reduced;

3. The control of the present invention depends entirely on the mechanical structure, and does not require other power sources, and cannot be uncontrollable due to energy failure;

4. The pull wire of the present invention can directly pass through other mechanical structures, reducing the occupied space.

Description of drawings

The preferred implementation mode will be described below in a clear and understandable manner with reference to the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods of a mechanism and method for controlling the movement of a swing device will be further explained:

Fig. 1 is a schematic diagram of a structural front view of a mechanism for controlling the movement of a swing device;

Fig. 2 is a structural rear view schematic diagram of a mechanism for controlling the movement of the swing device;

Fig. 3 is a schematic side view of the structure of a mechanism for controlling the movement of the swing device;

Fig. 4 is a schematic diagram of a mechanism for controlling the movement of the swinging device when the armrest swings to the middle position and locks;

Fig. 5 is a schematic diagram of another lock switch of a mechanism for controlling the movement of the swing device;

Fig. 6 is a schematic diagram of another lock switch of a mechanism for controlling the movement of the swing device;

Fig. 7 is a schematic diagram of the mechanism of another pull wire opening device of a mechanism for controlling the movement of the swing device;

Description of reference numerals: 1, frame; 2, handrail; 3, swing arm; 4a, pull wire; 4b, pull wire; 42a, handle; 43a, brake handle; 42b, handle; 43b, brake handle; 42c, handle; 45c , rotating mechanism; 5, driving device; 6, driving switch; 7, locking switch; 701, locking shaft; 702, reset device; 703, support plate; 704, limit claw; 705, rotating shaft; Cover; 707, pin; 708, spring; 709, mounting piece.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

A mechanism for controlling the movement of swinging equipment, including installed swinging equipment, pull wires, pull wire opening devices and switches. movement, the swing device locks when the switch is closed. Specifically in the embodiment of the present application, as shown in FIGS. 1-7 , the swing device refers to the swing arm 3 or the armrest 2 .

Specifically in Embodiment 1 of the present invention, as shown in Figures 1 to 4, a mechanism for controlling the movement of a swinging device, the swinging device is a handrail 2, the switch is a deadlock switch 7, and the pull wire opening device includes a brake handle 43a and a handle 42a, the mechanism for controlling the movement of the swing device also includes a pull wire 4a.

In this embodiment, the handrail 2 is rotatably mounted on the frame 1, the handle 42a is mounted on the top of the handrail 2, the brake handle 43a is connected to the handle 42a, one end of the pull wire 4a is connected to the brake handle 43a, and the other end is connected to the handle 43a. Lock switch 7 on.

Pinch the brake handle 43a, the brake handle 43a pulls the lock switch 7 through the stay wire 4a, unlocks the lock of the armrest 2, the armrest 2 can rotate, releases the brake handle 43a, the lock switch 7 resets, and the armrest 2 is fixed and locked.

In the second embodiment, as shown in Figures 1 to 4, on the basis of the first embodiment, a lock switch 7 of a mechanism for controlling the movement of the swing device specifically includes a lock shaft 701, a reset device 702, a support plate 703 and limit pawl 704.

The limit claw 704 is fixed on the bottom of the handrail 2, and the locking shaft 701 can be stuck in the limit claw 704, and can also be separated from the limit claw 704. The support plate 703 is installed on the frame 1, and the reset device 702 is elastic. One end is fixedly connected to the support plate 703, and the other end is connected to the deadlock shaft 701. The deadlock shaft 701 can be reset under the elastic force of the reset device 702, and one end of the pull wire 4a is fixed on the deadlock shaft 701.

As shown in Figures 1 to 4, when the armrest 2 is in a vertical state, the locking shaft 701 snaps into the limit claw 704, the armrest 2 is fixed and locked, and the locking shaft 701 is pulled down by pinching the brake handle 43a and pulling the pull wire 4a. Until the claw 704 is disengaged, the armrest 2 can rotate freely.

As shown in Figure 2, when the armrest 2 is turned to a certain angle position, the brake handle 43a is released, and the locking shaft 701 is reset under the elastic force of the reset device 702, and the locking shaft 701 supports the armrest 2 on the side of the limit claw 704 to fix the lock. die.

Pinch the brake handle 43a again to pull the pull wire 4a to pull down the locking shaft 701, and the limit claw 704 loses resistance and the armrest 2 can swing freely again. Return the armrest 2 to the vertical state, release the brake handle 43a and lock the shaft 701 into the limit claw 704 under the elastic force of the reset device 702, and the armrest 2 is fixed and locked.

In the third embodiment, as shown in FIGS. 5-6 , on the basis of the first embodiment, the deadlock switch 7 specifically includes a rotating shaft 705 , a fixed sleeve 706 , a pin 707 , a spring 708 and a mounting piece 709 . The pin 707 and the spring 708 are installed in the fixing part 709, one end of the spring 708 is connected with the fixing part 709, and the other end is connected with the pin 707, and a hole 710 is arranged on the pin 707, and the hole 710 is used to be fixedly connected with the stay wire 42a, and the rotating shaft 705 is connected with the handrail 2 is connected and there is a groove in the middle of the rotating shaft 705 for matching with the pin 707, and the fixing sleeve 706 is sleeved on the rotating shaft 705 and is fixedly installed on the frame 1.

As shown in Figure 6, when the handrail 2 is in the vertical state, the pin 707 is stuck between the fixed sleeve 706 and the rotating shaft 705, pinch the brake handle 42a and pull the pull wire 4a to pull the pin 707 downwards to separate from the fixed sleeve 706 and the rotating shaft 705, Handrail 2 can rotate freely, when handrail 2 is rotated to vertical position again, unclamp brake handle 42a, pin 707 returns between fixed sleeve 706 and rotating shaft 705 under the effect of spring 708, and handrail 2 is fixedly locked. The armrest 2 does not have a locking function in other positions than vertical, because the pin 707 is blocked by the rotating shaft 706 and cannot be stuck between the fixed sleeve and the rotating shaft 705 .

In Embodiment 4, as shown in Figures 1 to 2, a mechanism for controlling the movement of the swinging device, the swinging device is a swing arm 3, a pull wire opening device brake handle 43b and a handle 42b, and also includes a driving device 5 and a driving switch 6 , pull wire 4b, the swing arm 3 is installed on the frame 1, one end of the drive device 5 is connected to the middle of the swing arm 3 and the other end is fixedly installed on the frame 1, the drive switch 6 is located at the end of the drive device 5 and can control the drive device 5 The opening and closing of the handle 42b is installed on the top of the handrail 2, and the brake handle 43b is connected with the handle 42b. One end of the pull wire 4b is connected to the brake handle 43b, and the other end is connected to the drive switch 6.

It should be understood that, in the figure, the handle 42b is fixed on the top of the armrest 2 for the sake of aesthetics, but the handle 42b can also be directly fixed on the top of the swing arm 3 or other positions.

In this embodiment, pinch the brake handle 43b and pull the pull wire 4b to turn on the drive switch 6, the drive device 5 can drive the swing arm 3 to swing, release the brake handle 43b, the drive switch 6 is closed, the drive device 5 stops moving, and the swing arm 3 Fixed deadlock.

In the fifth embodiment, as shown in Figure 7, a mechanism for controlling the movement of the swinging device, the pull wire opening device is a handle 42c and a rotating mechanism 45c, one end of the pull wire 4a is connected to the rotating mechanism 45c, and the other end is connected to the switch . In this embodiment, the pull wire 4a can be pulled to turn on the switch by turning the rotating mechanism 45c by hand, allowing the swing device to move freely.

The pull wire opening device (handle 42c and rotating mechanism 45c) in Embodiment 4 can replace the pull wire opening device (brake handle 43a and handle 42a or brake handle 43b and handle 42b) in Embodiments 1 to 3, and its technical effect It is the same, both can pull the pull wire to open the switch.

In all the above-mentioned embodiments, the pull wire is pulled to open the switch by the pull wire opening device, and then the corresponding swinging device can swing freely, and the switch of the pull wire opening device is turned off, and the swinging device is locked and can no longer swing freely. The mechanical structure realizes the motion control of the swing mechanism, which can realize real-time and precise control.

The invention has few mechanical structures, low manufacturing and material costs, and can effectively reduce the cost of the control mechanism. The pull wire of the present invention can directly pass through other mechanical structures, reducing occupied space.

A method for controlling the movement of a swing device, as long as the pull wire is pulled by a pull wire opening device, the switch of the swing device is opened by the pull wire, the swing device can move freely, and the pull wire opening device is released, the switch is closed, and the swing device is locked.

Specifically in the first to third embodiments of the present invention, pinch the brake handle 43a by hand, pull the wire 4a to open the lock switch 7 of the armrest 2, and the armrest 2 can swing freely, release the brake handle 43a, and the lock switch 7 is closed. Handrail 2 is fixedly locked. Hold the brake handle 43b by hand, pull the wire 4b to open the drive switch 6 of the swing arm 3, the swing arm 3 can move under the action of the drive device 5, release the brake handle 43b, the drive switch 6 is closed, and the swing arm 3 is fixed and locked .

Specifically in Embodiment 4 of the present invention, turn the rotating mechanism 45c by hand, pull the pull wire to open the switch of the swinging device, and the swinging device can swing freely, turn the rotating mechanism 45c in the opposite direction, the switch is closed, and the swinging device is fixed and locked.

The control method of the present invention is very simple and convenient, and the control is accurate and timely.

It should be noted that the above embodiments can be freely combined as required. The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (6)

1. A mechanism for controlling movement of a swinging device, comprising:

a mounted swinging device;

a switch for switching on and off the swinging equipment, wherein the switch is connected with the swinging equipment;

a pull wire opening device for opening the switch;

one end of the pull wire is connected with the pull wire opening device, and the other end of the pull wire is connected with the switch; the pull wire opening device is used for pulling the pull wire to open the switch, the swinging equipment can move, and the swinging equipment is locked when the switch is closed;

the swinging equipment is an armrest, and the switch is a locking switch;

the dead lock switch includes:

a limiting claw arranged at the tail end of the handrail;

the support plate is arranged at the fixed connection part;

the locking shaft can be clamped in and separated from the limiting claw;

a reset device with one end connected with the supporting plate and the other end connected with the locking shaft, wherein the reset device has elasticity;

the fixed connection part is a frame, and the handrail is rotatably arranged on the frame.

2. A mechanism for controlling movement of a swing apparatus according to claim 1, wherein said lock-out switch comprises:

the rotating shaft is connected with the armrests, and a groove is formed in the middle of the rotating shaft;

the fixed sleeve is sleeved on the rotating shaft and fixedly arranged on the frame;

the mounting piece is connected between the fixed sleeve and the rotating shaft;

the mounting piece is internally provided with a pin which can move up and down, and the pin can be clamped between the fixed sleeve and the rotating shaft when moving upwards;

the mounting piece is internally provided with a spring, one end of the spring is fixedly connected with the mounting piece, and the other end of the spring is fixedly connected with the pin.

3. A mechanism for controlling movement of a swing apparatus according to any one of claims 1 to 2, wherein the wire opening device comprises:

a fixedly mounted handle;

a brake handle mounted on the handle, the brake handle being capable of being pinched;

the brake handle is connected with the pull wire, and the brake handle is pinched to pull the pull wire to open the switch.

4. A mechanism for controlling movement of a swing apparatus according to any one of claims 1 to 2, wherein the wire opening device comprises:

a fixedly mounted handle;

a rotating mechanism mounted on the handle;

the rotating mechanism is connected with the stay wire, and the switch can be started by rotating the rotating mechanism to pull the stay wire.

5. A method of controlling movement of a swinging device, characterized in that the control is effected by a mechanism for controlling movement of a swinging device as claimed in claim 3, comprising the steps of:

s1, pinching the brake handle to pull the stay wire to open the switch, wherein the swinging equipment can move;

s2, loosening the brake handle, resetting the switch and locking the swinging equipment.

6. A method of controlling movement of a swinging device, characterized in that the control is effected by a mechanism for controlling movement of a swinging device as claimed in claim 4, comprising the steps of:

s1, rotating the rotating mechanism to pull the stay wire to open the switch, and enabling the swinging equipment to move;

s2, reversely rotating the rotating mechanism, resetting the switch and locking the swinging equipment.

Images