CN102800504B - Hand shank component of switch device, and switch device - Google Patents

Abstract

A handle assembly for a switch device, comprising a handle (10) and a base (20), the base is fixed with a first limiting part (122), and the handle is provided with a second limiting part (112 ), the second limiting part is set on the circumferential position of the handle. When the switch device is in a state position, an end surface of the second limiting portion can abut against an end surface of the first limiting portion in the circumferential direction, constituting a circumferential locking position of the handle. An unlocking part (116) is fixed on the second limiting part, and the unlocking part can drive the second limiting part to move from the locked position to an axial or radial direction along the axial or radial direction with the handle or the base. In the unlocked position, the end faces of the first limiting portion and the second limiting portion abutting against each other are out of contact in the above-mentioned axial or radial direction, so as to allow the handle to rotate. The present invention also provides a switch device, which can avoid shifting gears due to misoperation of the handle when shifting gears.

Description

Handle assembly of switchgear and its switchgear

technical field

The invention relates to a handle assembly of a switch device, in particular to a handle assembly capable of preventing misuse, and also relates to a switch device with the handle assembly capable of preventing misoperation.

Background technique

In the switchgear, the commonly used switch controlled by turning the handle generally has closing (ON), opening (OFF) and test (TEST) gears, and the gears can be switched by turning the handle. However, in some cases, misoperation may occur due to unexpected gear shifting. For example, the closing gear is adjacent to the opening gear, and the test gear is set on the side of the opening gear. When the handle is turned from the closing gear to the opening gear, the handle may be damaged due to special circumstances such as excessive force. Accidentally turn to the position of the test gear, causing misoperation.

Contents of the invention

The purpose of the present invention is to provide a handle assembly for a switchgear, which can prevent the handle from being switched to a wrong gear due to misoperation when switching gears.

Another object of the present invention is to provide a switch device with a handle assembly, which can prevent the handle from being switched to a wrong gear due to misoperation when the gear is switched.

The invention provides a handle assembly of a switch device, which includes a handle and a base, the handle is used for switching the state of the switch device, and the handle can be installed on the base. The base is fixed with a first limiting part, the handle is provided with a second limiting part, and the second limiting part is arranged on the circumferential position of the handle and can move in the axial or radial direction of the handle. When the switch device is in a state position, an end surface of the second limiting portion can abut against an end surface of the first limiting portion in the circumferential direction, constituting a circumferential locking position of the handle. An unlocking part is fixed on the second limiting part, and the unlocking part can drive the second limiting part to move from a locking position to an axial or radial unlocking position along the axial or radial direction of the handle, so that the first limiting part The end faces of the bit portion and the second limiting portion abut against each other are out of contact in the axial or radial direction. The handle assembly can avoid gear shifting errors due to excessive force of the operator when the handle is shifted.

In an exemplary embodiment of the handle assembly, a reset member is also included. One end of the reset member is arranged on the handle, and the other end is arranged on the second limiting part, so as to make the second limiting part move from the unlocked position to reset. The reset part can automatically reset the second limiting part to the locking position, and the operation is more convenient.

In an exemplary embodiment of the handle assembly, the first limiting part has a top end in the axial direction, and the second limiting part has a bottom end in the axial direction. In the unlocked position, the bottom end of the second limiting part is above the top end of the first limiting part, so that the end surfaces of the first limiting part and the second limiting part abutting against each other are out of contact in the axial direction. Such a structure can make the structure of the handle assembly simpler.

In a schematic embodiment of the handle assembly, the first limiting part is fixed inside the base, and there is a sliding groove in the handle, the second limiting part can be set in the sliding groove, and the handle has an opening , the unlocking part can protrude to the outside of the handle through the opening. This structure is simpler and easier to implement.

The invention also provides a handle assembly of the switch device, which includes a handle and a base, the handle is used for switching the state of the switch device, and the handle can be installed on the base. The handle is fixed with a first limiting part, and the base is provided with a second limiting part. The second limiting part is arranged at a circumferential position of the base and can move in the axial or radial direction of the base. When the switch device is in a state position, an end surface of the second limiting portion can abut against an end surface of the first limiting portion in the circumferential direction, constituting a circumferential locking position of the handle. An unlocking part is fixed on the second limiting part, and the unlocking part can drive the second limiting part to move from a locking position to an axial or radial unlocking position along the axial or radial direction of the base, so that the first The abutting end surfaces of the limiting portion and the second limiting portion are out of contact in the axial or radial direction. The handle assembly can avoid gear shifting errors due to excessive force of the operator when the handle is shifted.

In an exemplary embodiment of the handle assembly, a reset member is further included. One end of the reset member is arranged on the base, and the other end is arranged on the second limiting part, so as to make the second limiting part unlock from the Position reset. The reset part can automatically reset the second limiting part to the locking position, and the operation is more convenient.

In an exemplary embodiment of the handle assembly, the first limiting part has a bottom end in the axial direction, and the second limiting part has a top end in the axial direction. In the unlocked position, the top end of the second limiting part is below the bottom end of the first limiting part, so that the end surfaces of the first limiting part and the second limiting part abutting against each other are out of contact in the axial direction. Such a structure can make the structure of the handle assembly simpler.

In a schematic embodiment of the handle assembly, the first limiting part is fixed inside the handle, and there is a sliding groove in the base, the second limiting part can be arranged in the sliding groove, and there is a sliding groove on the base. The opening, through which the unlocking part can protrude to the outside of the base. This structure is simpler and easier to implement.

The present invention also provides a switch device, which includes a drive shaft and the handle assembly of the present invention, wherein the drive shaft is connected to the handle and can rotate with the handle to switch the working state of the switch device. It can avoid gear switching errors due to excessive force of the operator when the handle is switching gears.

The use of the handle assembly of the present invention can avoid gear shifting errors caused by excessive force of the operator when the handle is shifted.

Hereinafter, preferred embodiments will be described in a clear and understandable manner with reference to the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods of the handle assembly of the switch device and the switch device thereof will be further described.

Description of drawings

The following drawings only illustrate and explain the present invention schematically, and do not limit the scope of the present invention.

Fig. 1 is an exploded perspective view of an exemplary embodiment of a handle assembly.

Fig. 2 is a schematic diagram of different working states of the handle assembly shown in Fig. 1 after assembly.

Figure 3 is a partial schematic view of another exemplary embodiment of a handle assembly.

Fig. 4 is an exploded perspective view of an exemplary embodiment of a handle assembly and a switch device.

Fig. 5 is a partial schematic view of another exemplary embodiment of the handle assembly.

Label description

10 handles

12 openings

20 base

122, 212 first limit part

112, 222 second limit part

122a, 222a top

112b, 212b bottom

113, 123 radial end face

116, 216 unlocking department

30 reset pieces

40 boards

42 chute

46 shaft holes

50 panels

60 drive shaft

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings, in which the same reference numerals represent components with the same or similar structures but the same functions. The components in the drawings are only used to illustrate and exemplify the content related to the present invention, but not their real scale and/or actual structure.

In this article, "axial", "radial", "circumferential", "above", "below" and so on are only used to indicate the positional relationship between related parts, rather than to limit the absolute position in the geometric sense, and they include any engineering margin of error.

FIG. 1 is an exploded perspective view of an exemplary embodiment of a handle assembly of a switchgear. As shown in FIG. 1 , the handle assembly of the switch device includes a handle 10 and a base 20 , the handle 10 can be installed on the base 20 and can be rotated on the base 20 to switch the working state of the switch device.

A first limiter 122 is fixed on the base 20, a second limiter 112 is arranged on the handle 10, and the second limiter 112 is fixed on the circumference of the handle 10, that is, the second limiter 112 can only It rotates together with the handle 10 in the circumferential direction, but cannot rotate relative to the handle 10 in the circumferential direction. The first limiting portion 122 has a top end 122a in the axial direction, and the second limiting portion 112 has a bottom end 112b in the axial direction. And the first limiting part 122 has an end face 123, and the second limiting part 112 has an end face 113, and the end face 123 and the end face 113 can contact in the circumferential direction, for example, when the switch device is in a state position, as shown in Figure 2 , at the circumferential position of the handle 10, the end face 113 (see FIG. 1) of the second stopper 112 can abut against the end face 123 (see FIG. 1) of the first stopper 122, and the first stopper The portion 122 can prevent the second limiting portion 112 from rotating in the direction of the arrow in FIG. 2 , that is, it can prevent the handle 10 from rotating in the direction of the arrow in FIG.

Referring to FIG. 1 and FIG. 2 , an unlocking portion 116 is fixed on the second limiting portion 112 , and the operator can lift the unlocking portion 116 upward along the axial direction of the handle 10 to drive the second limiting portion 112 along the axial direction of the handle 10 . , move from the locking position until the two end faces 123 and 113 of the first limiting portion 122 and the second limiting portion 112 are out of contact in the axial direction of the handle 10, thereby realizing the first limiting portion 122 and the second limiting portion 112. Unlocking between the second limiting parts 112 .

As shown in FIG. 2 , when the switch device is in the opening state, the handle 10 is in the opening position shown in the figure (the position indicated by “OFF” in FIG. 2 ). At this time, the second limit portion 112 of the handle 10 is against the first limit portion 122 of the base 20, so that when the handle 10 moves from the closing position shown by the base 20 (shown by “ON” in FIG. position) when turning to the opening position, due to the blocking of the first limiting part 122 to the second limiting part 112, the handle 10 will not accidentally cross the opening position due to excessive force of the operator and enter the test position (Fig. 2 The position indicated by "T" in the middle) ensures the reliability of operation.

When the handle 10 of the switch device needs to be rotated from the opening position to the test position, the operator lifts up the unlocking part 116 until the bottom end 112b of the second limiting part 112 is above the top 122a of the first limiting part 122, so that The second limiting portion 112 breaks away from the blocking of the first limiting portion 122, as shown in FIG. The direction indicated by the arrow in Figure 3 turns from the opening position to the test position.

According to different design structures, the unlocking part 116 in Fig. 1 and Fig. 2 can also drive the second limiting part 112 to move along the radial direction of the handle 10, starting from the locked position until the first limiting part 122 and the second limiting part 122 The two end surfaces 123 and 113 of the bit portion 112 abutting against each other are out of contact in the radial direction of the handle 10 . Meanwhile, according to different design structures, the first limiting portion 122 and the second limiting portion 112 may not be limited to the structures shown in FIG. 1 and FIG. 2 .

The first limiting part 122 in Fig. 1, Fig. 2 and Fig. 3 is fixed inside the base 20, the second limiting part 112 is arranged inside the handle 10, and the handle 10 has an opening 12, and the unlocking part can pass through the opening 12 Extending to the outside of the handle 10, such a design can make the structure simpler. According to different design requirements, the first limiting part 122 and the second limiting part 112 can also be arranged outside the base 20 and the handle 10, basically The seat 20 and the handle 10 can also adopt other structural forms correspondingly.

Fig. 4 schematically shows another embodiment of the handle assembly and a part of the switch device. As shown in Figure 4, the handle assembly includes a handle 10 and a base 20, the handle 10 can be installed on the base 20, a first stopper 122 is fixed on the base 20, and a second stopper 122 is fixed on the handle 10 part 112 , and an unlocking part 116 is fixed on the second limiting part 112 . A reset member 30 may also be arranged in the handle assembly, one end of the reset member 30 is arranged on the handle 10 , and the other end is arranged on the second limiting portion 112 . Wherein, in the embodiment shown in FIG. 4 , the restoring member is a helical compression spring. When the unlocking part 116 is operated by an external force to drive the second limiting part 112 to move from the locking position to the unlocking position in the axial direction (please refer to the movement of the second limiting part from the locking position to the unlocking position in Figure 2 and Figure 3 process), the helical compression spring is deformed due to being squeezed by the second limiting part 112, thereby storing a reset force in the axial direction, and this restoring force can make the second limiting part 112 move from the above-mentioned The unlocked position returns to the locked position. For example, when the control handle 10 turns from the testing position to the opening position, the reset force stored in the reset member 30 can cause the second limiting portion 112 to move axially from the unlocked position to reset to the locked position.

In addition, FIG. 4 also shows another embodiment, that is, the first limiting portion 122 is fixed inside the base 20, that is, the handle assembly may also include a support plate 40, and the support plate 40 is arranged in the handle 10. The second The second limiting part 112 can be fitted in a sliding groove 42 (not marked in FIG. 4 ) in the circumferential direction of the support plate 40, so as to facilitate the synchronous rotation of the second limiting part 112 and the handle 10, and also allow the second limiting part The part 112 slides axially in the sliding slot 42 , and the handle 10 also has an opening 12 through which the unlocking part 116 can protrude to the outside of the handle 10 . Those skilled in the art can understand that the chute 42 can also be arranged on other components in the handle 10, as long as the chute 42 can limit the second limiting portion 112 to rotate synchronously with the handle 10, and also allow the second limiting portion 112 to rotate in the above-mentioned Slide in the chute 42 along the axial direction.

Figure 4 also partially shows the structure of the switch device, as shown in the figure, the handle 10 is connected to the drive shaft 60 of the switch device, the base 20 is fixed on the panel 50, and when the handle 10 rotates, the drive shaft 60 connected to it Rotate thereupon, and the mark on the panel 50 can show its status position. In a schematic structure shown in FIG. 4 , the drive shaft 60 can pass through a shaft hole 46 of the support plate 40 , so that the handle 10 drives the drive shaft 60 to rotate.

Although the first limiting part 122 in Fig. 1, Fig. 2, Fig. 3, and Fig. 4 is arranged on the base 20, and the second limiting part 112 is arranged on the handle 10, but according to different design requirements, the first limiting part The part can also be set on the handle 10, and the second limit part can be set on the base 20, please refer to FIG. structure will not be repeated here. 5 shows a partial schematic view of another exemplary embodiment of the handle assembly, wherein the first limiting portion 212 is fixed at a circumferential position inside the handle 10 and can rotate together with the handle 10, and the second limiting portion 222 Set on the base 20 , the unlocking part 216 is fixed on the second limiting part 222 . In this embodiment, the locking relationship between the first limiting portion 212 and the second limiting portion 222 is similar to the structure shown in FIG. 2 . When the handle 10 of the switch device needs to be rotated from the opening position to the test position (see FIG. 2), the operator can press the unlocking part 216 downward until the top 222a of the second limiting part 222 moves to the first limiting part When the bottom end 212b of 212 is below, the end surfaces of the first limiting portion 212 and the second limiting portion 222 abutting against each other can be disengaged in the axial direction. At this point, the operator can operate the handle 10 to turn it from the opening position to the testing position. Of course, according to different design requirements, the unlocking part 216 can also drive the second limiting part 222 to move in the radial direction of the handle 10, starting from the locked position until the first limiting part 212 and the second limiting part 222 abut against each other. The two end faces of the lever are out of contact in the radial direction of the handle 10 .

The handle assembly of the present invention can avoid gear shifting errors caused by excessive force of the operator when the handle is shifted.

In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

It should be understood that although this description is described according to specific implementations, not every implementation includes only an independent technical solution. This description of the description is only for clarity, and those skilled in the art should take the description as a whole , the technical solutions in the various embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible embodiments of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent embodiment or All changes should be included within the protection scope of the present invention.

Claims (9)

1. the Handleset of switching device, comprising:

One for switching the handle (10) of described switching device duty;

A pedestal (20), described handle (10) is arranged on described pedestal (20);

One is installed in the first limiting section (122) on described pedestal (20);

One is arranged on the second limiting section (112) on described handle (10), described second limiting section (112) is fixing in the circumference of described handle (10), but in the axis of described handle (10) or radial direction motion; When described switching device is in a state position, an end face of described second limiting section (112) is resisted against on an end face of described first limiting section (122) in the circumferential direction, forms the lock position that of described handle (10) is circumferential;

Separate lock section (116) for one, described solution lock section (116) is installed on described second limiting section (112), described solution lock section (116) drives described second limiting section (112) to move to a described axial or radial unlocked position along described axis or radial direction from described lock position, and the described end face that described first limiting section (122) and described second limiting section (112) are abut against each other is described axial or disengage in the radial direction.

2. Handleset according to claim 1, wherein also comprise a return unit (30), one end of described return unit (30) is arranged on described handle (10), the other end is arranged on described second limiting section (112), resets from described unlocked position in order to make described second limiting section (112).

3. Handleset according to claim 1, wherein, described first limiting section (122) axially has a top (122a) described, described second limiting section (112) axially has a bottom (112b) described, when described second limiting section (112) is in described axial unlocked position, the bottom (112b) of described second limiting section (112) is in top, the top (122a) of described first limiting section (122), the described end face that described first limiting section (122) and described second limiting section (112) are abut against each other disengages on described axial direction.

4. Handleset according to claim 1, wherein,

It is inner that described first limiting section (122) is installed in described pedestal (20);

Have a chute (42) in described handle (10), described second limiting section (112) is arranged in described chute (42); Described handle (10) has an opening (12), described solution lock section (116) extend out to described handle (10) outside by described opening (12).

5. the Handleset of switching device, comprising:

One for switching the handle (10) of described switching device duty;

A pedestal (20), described handle (10) is arranged on described pedestal (20);

One is installed in the first limiting section (212) on described handle (10);

One is arranged on the second limiting section (222) on described pedestal (20), described second limiting section (222) is fixing in the circumference of described pedestal (20), but in the axis of described pedestal (20) or radial direction motion; When described switching device is in a state position, an end face of described second limiting section (222) is resisted against on an end face of described first limiting section (212) in the circumferential direction, forms the lock position that of described handle (10) is circumferential;

Separate lock section (216) for one, described solution lock section (216) is installed on described second limiting section (222), described solution lock section (216) drives described second limiting section (222) to move to a described axial or radial unlocked position along described axis or radial direction from described lock position, and the described end face that described first limiting section (212) and described second limiting section (222) are abut against each other is described axial or disengage in the radial direction.

6. Handleset according to claim 5, wherein also comprise a return unit (30), one end of described return unit (30) is arranged on described pedestal (20), the other end is arranged on described second limiting section (222), resets from described unlocked position in order to make described second limiting section (222).

7. Handleset according to claim 5, wherein, described first limiting section (212) axially has a bottom (212b) described, described second limiting section (222) axially has a top (222a) described, when described second limiting section (112) is in described axial unlocked position, the top (222a) of described second limiting section (222) is in below, the bottom (212b) of described first limiting section (212), the described end face that described first limiting section (212) and described second limiting section (222) are abut against each other disengages on described axial direction.

8. Handleset according to claim 5, wherein,

It is inner that described first limiting section (212) is installed in described handle (10);

Have a chute (42) in described pedestal (20), described second limiting section (222) is arranged in described chute (42); Described pedestal (20) has an opening (12), described solution lock section (216) extend out to described pedestal (20) outside by described opening (12).

9. switching device, comprising:

A driving shaft (60), and

A Handleset as claimed in any of claims 1 to 8 in one of claims, wherein said driving shaft (60) is connected with described handle (10), and rotates with handle (10), with the duty of converting switch device.