CN212360964U

CN212360964U - Parallel arrangement's manual-automatic switching mechanism

Info

Publication number: CN212360964U
Application number: CN202020987341.3U
Authority: CN
Inventors: 黄臶
Original assignee: Tianjin Beifang Valve Actuator Co ltd
Current assignee: Tianjin Beifang Valve Actuator Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-15
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a parallel arrangement's manual-automatic switching mechanism, include: the manual shaft is sequentially sleeved with a spring and a clutch from bottom to top, and the spring is used for providing restoring force for the clutch; the clutch is used for realizing connection and separation of the manual shaft and the electric shaft; the switching shaft is parallel to the manual shaft, a cam and a torsion spring are sequentially arranged on the switching shaft from top to bottom, the cam is fixed on the switching shaft and is opposite to the clutch, and the torsion spring is used for providing restoring force for the cam; the switching body is arranged between the clutch and the cam, the cam rotates to push the switching body to act, and the switching body is used for realizing connection and separation of the clutch and the electric shaft. Parallel arrangement's manual-automatic switching mechanism's switching axle is parallel with the axis of manual axis, switching operation and manual operation can accomplish in same plane, easy operation is convenient.

Description

Parallel arrangement's manual-automatic switching mechanism

Technical Field

The utility model belongs to the technical field of the valve actuator technique and specifically relates to a parallel arrangement's manual-automatic switching mechanism is related to.

Background

The valve is a device for controlling fluid flow, and along with the development of technology and the demand of automation, install automatic switch executor additional on manual valve's basis and become manual automatic dual-purpose form valve to under automatic mode inefficacy or maintenance state, can be with automatic mode conversion manual mode to open and close the operation to the valve, in order not to influence normal production operation.

In the existing actuating mechanism of the switching device, the axes of the manual operation shaft and the switching shaft are vertical generally, and the switching operation is inconvenient due to structural limitation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple operation's parallel arrangement's manual-automatic switching mechanism.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a parallel arranged manual-automatic switching mechanism comprising:

the manual shaft is sequentially sleeved with a spring and a clutch from bottom to top, and the spring is used for providing restoring force for the clutch;

the clutch is used for realizing connection and separation of the manual shaft and the electric shaft;

the switching shaft is parallel to the manual shaft, a cam and a torsion spring are sequentially arranged on the switching shaft from top to bottom, the cam is fixed on the switching shaft and is opposite to the clutch, and the torsion spring is used for providing restoring force for the cam;

the switching body is arranged between the clutch and the cam, the cam rotates to push the switching body to act, and the switching body is used for realizing connection and separation of the clutch and the electric shaft.

Further, the clutch comprises a lantern ring and a pushing part, the pushing part is arranged on the periphery of the lantern ring, and the upper end of the spring is pushed against the lower surface of the pushing part; the top of the lantern ring is equipped with the screens breach that is used for with electronic axle joint, and the internal surface of the lantern ring is equipped with the keyway of vertical setting, be equipped with the card key of mutually supporting with the keyway on the lateral wall of manual axis.

Furthermore, a rotating shaft which is perpendicular to the manual shaft is arranged between the manual shaft and the switching shaft, the rotating shaft is rotatably arranged, and the switching body is fixed on the rotating shaft.

Further, the switching body is a bar-shaped body with a mushroom-shaped cross section and comprises a mushroom head and a connecting handle, one side of the mushroom head abuts against the upper surface of the pushing part, and the connecting handle is fixedly sleeved on the rotating shaft.

Further, the bulge of the cam is opposite to the other side of the mushroom head.

Furthermore, a snap ring is fixedly arranged at the lower part of the manual shaft, and the lower end of the spring is abutted against the snap ring.

Further, a handle is fixedly arranged at the lower end of the switching shaft.

Further, the handle is located right below the manual shaft and covers the manual shaft.

Furthermore, the lower end top of manual axis is equipped with interior hexagonal hole.

Compared with the prior art, parallel arrangement's manual-automatic switching mechanism have following advantage:

parallel arrangement's manual-automatic switching mechanism include manual axle, electronic axle and switching axle, the manual axle passes through clutch and electronic hub connection, switching axle is parallel with the manual axle, switches epaxial cam that is equipped with, is equipped with the switching body between cam and the clutch. When the switching shaft is rotated to rotate the cam, the cam pushes the switching body to act, the clutch slides downwards along the manual shaft under the action of the switching body, the clutch is separated from the electric shaft, and manual operation is performed at the moment; when the external force is removed, the cam returns to the initial state along with the rotation of the switching shaft under the action of the torsion spring, namely, the action of force is not generated on the switching body, the clutch also returns to the initial state under the action of the elastic force of the spring, namely, the clutch is connected with the electric shaft, and then, the electric operation is carried out. The application switching axle is parallel with the axis of manual axis among the manual and automatic switching mechanism, switching operation and manual operation can accomplish in same plane, easy operation is convenient.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a parallel manual-automatic switching mechanism according to an embodiment of the present invention;

fig. 2 is a perspective view of the manual-automatic switching mechanism arranged in parallel according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cam according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a manual shaft according to an embodiment of the present invention.

Description of reference numerals:

1-a manual shaft; 2-a spring; 3-a clutch; 4-electric axis; 5-a switch; 6-a cam; 7-torsion spring; 8-switching shaft; 9-a rotating shaft; 10-a snap ring; 11-a projection; 12-a collar; 13-a pushing part; 14-a detent notch; 15-key groove; 16-a card key; 17-a handle.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Fig. 1 is a schematic view of a parallel manual-automatic switching mechanism according to an embodiment of the present invention; fig. 2 is a perspective view of the manual-automatic switching mechanism arranged in parallel according to the embodiment of the present invention.

As shown in fig. 1-2, a manual-automatic switching mechanism arranged in parallel comprises:

the clutch comprises a manual shaft 1, wherein a spring 2 and a clutch 3 are sequentially sleeved on the manual shaft 1 from bottom to top, and the spring 2 is used for providing restoring force for the clutch 3;

the electric shaft 4 is positioned right above the manual shaft 1, and the clutch 3 is used for realizing connection and separation of the manual shaft 1 and the electric shaft 4;

the switching shaft 8 is parallel to the manual shaft 1, a cam 6 and a torsion spring 7 are sequentially arranged on the switching shaft 8 from top to bottom, the cam 6 is fixed on the switching shaft 8, the cam 6 is over against the clutch 3, and the torsion spring 7 is used for providing restoring force for the cam 6;

and the switching body 5 is arranged between the clutch 3 and the cam 6, the cam 6 rotates to push the switching body 5 to act, and the switching body 5 is used for realizing the connection and the disconnection of the clutch 3 and the electric shaft 4.

Parallel arrangement's manual-automatic switching mechanism include manual axle 1, electronic axle 4 and switching axle 8, manual axle 1 is connected with electronic axle 4 through clutch 3, and switching axle 8 is parallel with manual axle 1, is equipped with cam 6 on the switching axle 8, is equipped with between cam 6 and the clutch 3 and switches body 5. When the switching shaft 8 is rotated to rotate the cam 6, the cam 6 pushes the switching body 5 to act, the clutch 3 slides downwards along the manual shaft under the action of the switching body 5, the clutch 3 is separated from the electric shaft 4, and manual operation is performed at the moment; when the external force is removed, under the action of the torsion spring 7, the cam 6 rotates along with the switching shaft 8 to return to the initial state, namely, the action of force is not generated on the switching body, the clutch 3 also returns to the initial state under the action of the elastic force of the spring 2, namely, the clutch 3 is connected with the electric shaft 4, and then, the electric operation is carried out again. The application switching axle is parallel with the axis of manual axis among the manual and automatic switching mechanism, switching operation and manual operation can accomplish in same plane, easy operation is convenient.

Illustratively, the clutch 3 comprises a collar 12 and an abutting part 13, the abutting part 13 is arranged on the periphery of the collar 12, and the upper end of the spring 2 abuts against the lower surface of the abutting part 13; the top of lantern ring 12 is equipped with the screens breach 14 that is used for with electronic axle 4 joint, and the internal surface of lantern ring 12 is equipped with vertically the keyway 15 that sets up, be equipped with on the lateral wall of manual axle 1 with keyway 15 mutually supporting card key 16, the structure chart of manual axle is shown in fig. 4. Because the setting of card key 16 and keyway 15, make manual shaft 1 and clutch 3 as a whole all the time, be connected with electronic axle 4 when clutch 3, manual shaft 1 also rotates as an organic whole with electronic axle 4 simultaneously, when clutch 3 glides along manual shaft 1, keyway 15 moves along card key 16, guarantee that clutch 3 can not take place to rotate when moving up and down along manual shaft 1, do not dock with electronic axle when preventing clutch 3 from restoring the normal position.

Specifically, a rotating shaft 9 perpendicular to the manual shaft 1 is arranged between the manual shaft 1 and the switching shaft 8, the rotating shaft 9 is rotatably arranged, and the switching body 5 is fixed on the rotating shaft 9.

More specifically, the switching body 5 is a bar-shaped body with a mushroom-shaped cross section, and includes a mushroom head and a connecting handle, one side of the mushroom head abuts against the upper surface of the abutting portion 13, and the connecting handle is fixedly sleeved on the rotating shaft 9.

More specifically, the projection 11 of the cam 6 faces the other side of the mushroom head.

Specifically, the connection mode of the torsion spring 7 is a connection mode commonly used in the prior art, and in this embodiment, the upper end of the torsion spring 7 is fixed to the cam 6, and the lower end of the torsion spring 7 is fixed to the housing of the mechanism, so that when the cam 6 rotates, the upper end of the torsion spring 7 moves along with the cam 6, and the lower end of the torsion spring 7 is fixed, so that the torsion spring 7 generates restoring force to the cam 6.

Illustratively, a snap ring 10 is fixedly arranged at the lower part of the manual shaft 1, and the lower end of the spring 2 abuts against the snap ring 10.

Illustratively, a handle 17 is fixedly arranged at the lower end of the switching shaft 8.

Specifically, the handle 17 is located right below the manual shaft 1 and covers the manual shaft 1. The handle 17 covers the manual shaft 1, so that when the manual shaft 1 rotates along with the electric shaft 4, the manual shaft 1 can be prevented from rotating to hurt an operator by mistake,

illustratively, the lower end top of manual axis 1 is equipped with interior hexagonal hole. When manual operation is needed, an inner hexagonal wrench is inserted into the inner hexagonal hole in the manual shaft 1.

The specific operation is as follows:

the moving switching shaft 8 drives the cam 6 to push the switching body 5 to rotate, and the switching body 5 pushes the clutch 3 to axially move along the manual shaft 1, so that the clutch is separated from the electric shaft 4 and enters a manual working state.

When the switching shaft 8 is loosened, the cam 6 rotates under the action of the torsion spring 7, the switching body 5 loses balance force, and the clutch 3 moves under the action of the spring 2 to be meshed with the electric shaft and returns to the electric position.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a manual-automatic switching mechanism of parallel arrangement which characterized in that: the method comprises the following steps:

the clutch comprises a manual shaft (1), wherein a spring (2) and a clutch (3) are sequentially sleeved on the manual shaft (1) from bottom to top, and the spring (2) is used for providing restoring force for the clutch (3);

the electric shaft (4) is positioned right above the manual shaft (1), and the clutch (3) is used for realizing the connection and the separation of the manual shaft (1) and the electric shaft (4);

the switching shaft (8) is arranged in parallel to the manual shaft (1), a cam (6) and a torsion spring (7) are sequentially arranged on the switching shaft (8) from top to bottom, the cam (6) is fixed on the switching shaft (8), the cam (6) is over against the clutch (3), and the torsion spring (7) is used for providing restoring force for the cam (6);

the switching body (5) is arranged between the clutch (3) and the cam (6), the cam (6) rotates to push the switching body (5) to act, and the switching body (5) is used for realizing connection and separation of the clutch (3) and the electric shaft (4).

2. The parallel arrangement manual-automatic switching mechanism of claim 1, wherein: the clutch (3) comprises a lantern ring (12) and a pushing part (13), the pushing part (13) is arranged on the periphery of the lantern ring (12), and the upper end of the spring (2) is pushed against the lower surface of the pushing part (13); the top of lantern ring (12) is equipped with screens breach (14) that are used for with electronic axle (4) joint, and the internal surface of lantern ring (12) is equipped with vertically key way (15) that set up, be equipped with on the lateral wall of manual shaft (1) with key way (15) mutually supporting card key (16).

3. The parallel arrangement manual-automatic switching mechanism of claim 2, wherein: a rotating shaft (9) which is perpendicular to the manual shaft (1) is arranged between the manual shaft (1) and the switching shaft (8), the rotating shaft (9) is rotatably arranged, and the switching body (5) is fixed on the rotating shaft (9).

4. The parallel arrangement manual-automatic switching mechanism of claim 3, wherein: the switching body (5) is a strip-shaped body with a mushroom-shaped section and comprises a mushroom head and a connecting handle, one side of the mushroom head is abutted to the upper surface of the abutting part (13), and the connecting handle is fixedly sleeved on the rotating shaft (9).

5. The parallel arrangement manual-automatic switching mechanism of claim 4, wherein: the bulge (11) of the cam (6) is opposite to the other side of the mushroom head.

6. The parallel arrangement manual-automatic switching mechanism of claim 1, wherein: the lower part of the manual shaft (1) is fixedly provided with a clamping ring (10), and the lower end of the spring (2) is abutted against the clamping ring (10).

7. The parallel arrangement manual-automatic switching mechanism of claim 1, wherein: the lower end of the switching shaft (8) is fixedly provided with a handle (17).

8. The parallel arrangement manual-automatic switching mechanism of claim 7, wherein: the handle (17) is positioned right below the manual shaft (1) and covers the manual shaft (1).

9. The parallel arrangement manual-automatic switching mechanism of claim 1, wherein: and the lower end of the manual shaft (1) is provided with an inner hexagonal hole.