阅读说明：本技术 一种操作机构、接触器及控制柜 (Operating device, contactor and switch board ) 是由 荣良章 马荣贵 李辉 胡国伟 王圳杰 于 2020-12-31 设计创作，主要内容包括：本发明提供一种操作机构、接触器及控制柜,属于电气元件技术领域,其中,操作机构包括：基座；支持件,滑动设置在所述基座内；凸轮件,可转动地连接在所述基座内,所述凸轮件具有朝向支持件的凹槽,所述支持件的端部适于伸入至所述凹槽内,所述凹槽的侧壁为适于沿轴向驱动所述支持件的倾斜结构；旋钮,固定连接在所述凸轮件的一端；本发明的操作机构,采用模块化设计,能够可拆卸地连接在接触器上,用于对接触器进行合闸操作,从而用于紧急启动；具体的,通过旋钮带动凸轮件进行转动时,凸轮件的凹槽上的倾斜结构驱动支持件沿轴向进行移动,从而使支持件伸出基座外对接触器进行合闸操作。(The invention provides an operating mechanism, a contactor and a control cabinet, belonging to the technical field of electrical elements, wherein the operating mechanism comprises: a base; the supporting piece is arranged in the base in a sliding mode; a cam member rotatably coupled within the base, the cam member having a recess facing the support member, an end of the support member adapted to extend into the recess, a sidewall of the recess having an inclined configuration adapted to axially drive the support member; the knob is fixedly connected to one end of the cam piece; the operating mechanism is in a modular design, can be detachably connected to the contactor and is used for switching on the contactor so as to be used for emergency starting; specifically, when the knob drives the cam piece to rotate, the support piece is driven by the inclined structure on the groove of the cam piece to move along the axial direction, so that the support piece extends out of the base to perform switching-on operation on the contactor.)

1. An operating mechanism, comprising:

a base (1) adapted to be removably connected to a housing (22) of a contactor;

the support piece (4) is arranged in the base (1) in a sliding mode, and the support piece (4) can extend out of the base (1) in a sliding mode in the base (1);

the cam piece (5) is rotatably connected in the base (1), the cam piece (5) is provided with a groove (6) facing the supporting piece (4), the end part of the supporting piece (4) is suitable for extending into the groove (6), and the side wall of the groove (6) is of an inclined structure suitable for driving the supporting piece (4) along the axial direction;

and the knob (7) is fixedly connected to one end of the cam piece (5).

2. Operating mechanism according to claim 1, characterized in that an energy storage member (8) is connected between the cam member (5) and the base (1), the energy storage member (8) being arranged in the base (1) such that it can slide only in the axial direction;

one end of the energy storage part (8) is abutted to the base (1) through an elastic part (9), the other end of the energy storage part (8) is provided with a first ruler tooth (11), and the cam part (5) is provided with a second ruler tooth (12) which is in mutual occlusion fit with the first ruler tooth (11).

3. The operating mechanism according to claim 2, wherein the energy storage member (8) is a bushing, the energy storage member (8) is slidably sleeved on the cam member (5), the cam member (5) is provided with a flange extending outward in the radial direction, one end of the energy storage member (8) abuts against the flange, and the other end of the energy storage member (8) is elastically connected with the base (1) through an elastic member (9).

4. The operating mechanism according to claim 3, characterized in that the energy storage member (8) has a limiting rib (10) extending radially outward on the outer wall thereof, the base (1) has a limiting groove therein for accommodating the limiting rib (10), and the energy storage member (8) can only slide axially in the base (1) through the cooperation of the limiting rib (10) and the limiting groove.

5. The operating mechanism as claimed in claim 1, characterized in that the base (1) has a socket groove (13), the rotary knob (7) is rotatably arranged in the socket groove (13), a stop block (14) is arranged in the socket groove (13), and an annular edge (15) of the rotary knob (7) extending in the direction of the base (1) has a notch (16) for receiving the stop block (14).

6. Operating mechanism according to claim 1, wherein the base (1) comprises two parts, a front end part (2) for receiving the support member (4) and a rear end part (3) for receiving the cam member (5), the front end part (2) and the rear end part (3) being detachably connected by means of a fastener.

7. Operating mechanism according to claim 1, characterized in that the base (1) has, at its end intended to face the contact, a slot (17) for plugging in a housing (22) of the contact, the slot (17) having a resilient outwardly projecting catch (18) therein.

8. The operating mechanism according to any one of claims 1-7, characterized in that a sleeve (19) is connected to the knob (7), an extension bar (20) is connected to the end of the sleeve (19), and a closing handle is fixedly connected to the other end of the extension bar (20).

9. A contactor, characterized in that it comprises a casing (22), said casing (22) having a closing member (23) inside, said casing (22) having an operating mechanism according to any one of claims 1-8 attached thereto, the support member (4) of said operating mechanism being adapted to drive said closing member (23).

10. A control cabinet, characterized in that, includes a cabinet shell (26), the contactor stated in claim 9 is equipped in the cabinet shell (26), the closing handle is connected on the cabinet shell (26) rotatably, the closing handle is connected with the knob (7) of the operating mechanism fixedly through the extension bar (20).

Technical Field

The invention relates to the technical field of electrical elements, in particular to an operating mechanism, a contactor and a control cabinet.

Background

In the control system for the fire pump, the control cabinet is required to be provided with a manual mechanical pump starting function so as to ensure that the fire pump can be started emergently when a control circuit in the control cabinet breaks down.

At present, the interface is reserved for various large pumps or temporary evasion; then an external emergency starting box is adopted, or a breaker (load switch) is used for replacing manual emergency starting.

Disclosure of Invention

The object of the present invention is therefore to provide an actuating mechanism which can be used for emergency starting.

The invention also provides a contactor with the operating mechanism, and the contactor can be used for starting the fire pump.

The invention also provides a control cabinet with the operating mechanism and the contactor.

In order to solve the above-mentioned technical problem, the present invention provides an operating mechanism including:

a base adapted to be removably connected to a housing of a contactor;

the supporting piece is arranged in the base in a sliding mode and can extend out of the base in a sliding mode in the base;

the cam piece is rotatably connected in the base and provided with a groove facing the supporting piece, the end part of the supporting piece is suitable for extending into the groove, and the side wall of the groove is of an inclined structure suitable for driving the supporting piece along the axial direction;

and the knob is fixedly connected to one end of the cam piece.

Optionally, an energy storage member is connected between the cam member and the base, and the energy storage member is only arranged in the base in a manner of sliding along the axial direction;

one end of the energy storage part is abutted to the base through an elastic part, the other end of the energy storage part is provided with a first ruler tooth, and the cam part is provided with a second ruler tooth which is in mutual occlusion fit with the first ruler tooth.

Optionally, the energy storage member is a shaft sleeve, the energy storage member is slidably sleeved on the cam member, a flange extending outward in the radial direction is arranged on the cam member, one end of the energy storage member abuts against the flange, and the other end of the energy storage member is elastically connected with the base through an elastic member.

Optionally, the outer wall of the energy storage member is provided with a limiting rib extending outward in the radial direction, the base is internally provided with a limiting groove for accommodating the limiting rib, and the energy storage member can only slide in the axial direction in the base through the matching of the limiting rib and the limiting groove.

Optionally, the base is provided with a socket groove, the knob is rotatably disposed in the socket groove, the socket groove is provided with a limiting block, and an annular edge of the knob extending towards the base direction is provided with a notch for accommodating the limiting block.

Optionally, the base comprises two parts, a front part for receiving the support member and a rear part for receiving the cam member, the front and rear parts being detachably connected by a fastener.

Optionally, the base has a slot for inserting the housing of the contact on an end thereof facing the contact, and the slot has a latch extending outwardly therefrom.

Optionally, the knob is connected with a sleeve, the end of the sleeve is connected with an extension bar, and the other end of the extension bar is fixedly connected with a closing handle.

The invention also provides a contactor, which comprises a shell, wherein a switching-on piece is arranged in the shell, the shell is connected with the operating mechanism in any one of the above schemes, and a supporting piece of the operating mechanism is suitable for driving the switching-on piece.

The invention also provides a control cabinet which comprises a cabinet shell, wherein the contactor in the scheme is arranged in the cabinet shell, the cabinet shell is rotatably connected with a closing handle, and the closing handle is fixedly connected with a knob of the operating mechanism through an extension rod.

The technical scheme of the invention has the following advantages:

1. the operating mechanism provided by the invention adopts a modular design, can be detachably connected to the contactor and is used for carrying out switching-on operation on the contactor so as to be used for emergency starting; specifically, when the knob drives the cam piece to rotate, the support piece is driven by the inclined structure on the groove of the cam piece to move along the axial direction, so that the support piece extends out of the base to perform switching-on operation on the contactor.

2. According to the operating mechanism provided by the invention, the energy storage part is arranged in the base, when the knob drives the cam part to rotate relative to the energy storage part, the energy storage part slides towards the direction far away from the cam part, and the energy storage part compresses the elastic part to store energy; when the knob drives the cam piece to rotate to a half stroke of closing, the first ruler tooth of the energy storage piece and the second ruler tooth of the cam piece form a state of a tip end to a tip end, and at the moment, the energy storage piece compresses the elastic piece at the rear end to store energy and reach the position of maximum energy; when the knob continues to drive the cam piece and rotates, the tip of the first ruler tooth of the energy storage part crosses the tip of the second ruler tooth of the cam piece, the energy storage part moves towards the cam piece under the action of the elastic part, and through the matching of the first ruler tooth and the second ruler tooth, the energy storage part applies force to the rotation of the cam piece, so that the rotating speed of the cam piece is accelerated, and the closing speed is increased.

3. According to the operating mechanism provided by the invention, the base is suitable for being connected to the shell of the contactor in a clamping manner in the form of the slot and the lock catch, and finally the operating mechanism and the contactor are connected into a whole, so that the effect of stable fixation can be achieved.

4. According to the operating mechanism provided by the invention, the extension bar is adopted to extend the operating handle, so that the spraying electric arc generated during manual closing can be kept away, and the risk caused by close-distance closing is effectively solved.

5. The contactor according to the present invention has the advantages described above because it has the operating mechanism according to any one of the above aspects.

6. The control cabinet provided by the invention has the advantages of any one of the above.

Drawings

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

FIG. 1 is an exploded view of one embodiment of an operating mechanism provided in an example of the present invention.

Fig. 2 is a schematic view of a second angle of fig. 1.

Fig. 3 is a schematic view of a third angle of fig. 1.

Fig. 4 is an enlarged view of the front end portion of the base in fig. 1.

Fig. 5 is a schematic partial structural diagram of a control cabinet provided in an embodiment of the present invention.

Fig. 6 is an enlarged view of the contactor of fig. 5.

Description of reference numerals:

1. a base; 2. a front end portion; 3. a rear end portion; 4. a support member; 5. a cam member; 6. a groove; 7. a knob; 8. an energy storage member; 9. an elastic member; 10. limiting ribs; 11. a first ruler tooth; 12. a second ruler tooth; 13. a socket slot; 14. a limiting block; 15. an annular edge; 16. a notch; 17. a slot; 18. locking; 19. a sleeve; 20. lengthening a rod; 21. an operating handle; 22. a housing; 23. closing the brake; 24. a side bar; 25. a card slot; 26. a cabinet housing.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a specific implementation of an operating mechanism, as shown in fig. 1 to 3, including: the base 1 is divided into two detachable parts, and comprises a front end part 2 and a rear end part 3. Wherein said front end portion 2 is adapted to be detachably connected to a housing 22 of a contactor for accommodating a holder 4 in said front end portion 2, such that the holder 4 is slidable back and forth in the front end portion 2.

The supporting piece 4 is arranged in the base 1 in a sliding mode, and the supporting piece 4 can extend out of the base 1 in a sliding mode in the base 1. In particular, the support 4, when extended towards the front end of the base 1, can be used to drive the contactor to perform mechanical closing. Further, a spring is provided between the front end of the holder 4 and the base 1, and the spring is used to maintain the state where the holder 4 is retracted in the base 1.

In the rear end portion 3 of the base 1, a cam member 5 is rotatably provided, the cam member 5 having a groove 6 facing the support member 4, an end portion of the support member 4 being adapted to protrude into the groove 6, a side wall of the groove 6 being an inclined structure adapted to drive the support member 4 in an axial direction. By rotating the cam member 5, the holder 4 located in the groove 6 can be driven to perform a sliding movement of the holder 4 along the side wall of the groove 6 toward the front end of the base 1.

A knob 7 is provided on the rear side of the rear end portion 3 of the base 1, the knob 7 being fixedly connected to one end of the cam member 5. The knob 7 is used for driving the cam member 5 to rotate, thereby driving the supporting member 4 to slide towards the front end of the base 1.

An energy storage member 8 is connected between the cam member 5 and the base 1, and the energy storage member 8 is only arranged in the base 1 in a manner of sliding along the axial direction. Specifically, the energy storage element 8 is a shaft sleeve, the energy storage element 8 is slidably sleeved on the cam element 5, a flange extending outward in the radial direction is arranged on the cam element 5, one end of the energy storage element 8 abuts against the flange, and the other end of the energy storage element 8 is elastically connected with the base 1 through an elastic element 9. Have along the spacing muscle 10 of radially outwards stretching out on the outer wall of energy storage 8, have in the base 1 and be used for holding the spacing groove of spacing muscle 10, through spacing muscle 10 with the cooperation of spacing groove makes energy storage 8 is in only can follow the axial and slide in the base 1.

One end of the energy storage member 8 is abutted to the base 1 through an elastic member 9, the other end of the energy storage member 8 is provided with a first ruler tooth 11, and the cam member 5 is provided with a second ruler tooth 12 which is mutually meshed and matched with the first ruler tooth 11. When the knob 7 drives the cam part 5 to rotate relative to the energy storage part 8, the energy storage part 8 overcomes the elasticity of the elastic part 9 and slides towards the direction far away from the cam part 5, and the energy storage part 8 compresses the elastic part 9 to store energy; when the knob 7 drives the cam piece 5 to rotate to a half stroke of closing, the first ruler tooth 11 of the energy storage piece 8 and the second ruler tooth 12 of the cam piece 5 form a state that a tip end is opposite to the tip end, and at the moment, the energy storage piece 8 compresses the elastic piece 9 at the rear end to store energy and reach the position of maximum energy; when the knob 7 continues to drive the cam member 5 to rotate, the tip of the first ruler tooth 11 of the energy storage part 8 crosses the tip of the second ruler tooth 12 of the cam member 5, the energy storage part 8 moves towards the cam member 5 under the action of the elastic part 9, and through the matching of the first ruler tooth 11 and the second ruler tooth 12, the energy storage part 8 applies force to the rotation of the cam member 5, so that the rotating speed of the cam member 5 is accelerated, and the closing speed is increased.

As shown in fig. 3, the base 1 has a socket groove 13, the knob 7 is rotatably disposed in the socket groove 13, and a stopper 14 is disposed in the socket groove 13, and the stopper 14 is used to limit the rotation angle of the knob 7.

As shown in fig. 2, an annular edge 15 of the knob 7 extending toward the base 1 has a notch 16 for receiving the stopper 14. The notch 16 is matched with the limit block 14 in the socket groove 13 of the base 1 to limit the rotation angle of the knob 7 so as to avoid excessive rotation of the knob 7.

As shown in fig. 4, the front end portion 2 of the base 1 has a slot 17 for receiving a housing 22 of the contact, and the slot 17 has a resilient latch 18 extending outwardly therefrom. The rear end of the lock catch 18 is connected with a spring, and the lock catch 18 is ejected out of the base 1 through the spring, so that the lock catch is used for clamping a contactor inserted into the base 1.

As shown in fig. 5, a sleeve 19 is connected to the knob 7, an extension bar 20 is connected to an end of the sleeve 19, and a closing handle is fixedly connected to the other end of the extension bar 20. The operating handle 21 is prolonged through the extension rod 20, so that the spraying electric arc generated during manual closing can be kept away, and the risk caused by close-distance closing is effectively solved.

Example 2

This embodiment provides a specific implementation of a contactor, as shown in fig. 6, which includes a housing 22, a closing member 23 is provided in the housing 22, the operating mechanism described in embodiment 1 is connected to the housing 22, and a supporting member 4 of the operating mechanism is adapted to drive the closing member 23. The shell 22 is provided with a rib 24, and the rib 24 is used for being inserted into the slot 17 of the operating mechanism; the housing 22 is also provided with a slot 25, the slot 25 is used for accommodating the latch 18 of the operating mechanism, and after the edge rib 24 is inserted into the slot 17 of the operating mechanism, the latch 18 of the operating mechanism is clamped into the slot 25, so that the clamping connection between the housing 22 of the contactor and the operating mechanism is completed.

Example 3

The embodiment provides a specific implementation manner of a control cabinet, as shown in fig. 5, the control cabinet includes a cabinet shell 26, the contactor described in embodiment 2 is arranged in the cabinet shell 26, a closing handle is rotatably connected to the cabinet shell 26, the closing handle is connected to the knob 7 of the operating mechanism through an extension bar 20, the operating mechanism can be operated by operating the closing handle outside the cabinet shell 26, and then the mechanical closing operation is performed on the contactor.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.