CN213936055U

CN213936055U - Contactor operating device

Info

Publication number: CN213936055U
Application number: CN202120096910.XU
Authority: CN
Inventors: 刘延苏; 解浩
Original assignee: Jiangsu Shenyao Electric Appliance Co ltd
Current assignee: Jiangsu Shenyao Electric Appliance Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-08-10
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to a contactor technical field, specifically a contactor operating device, including manual operation module, the contactor main part that has the contact part, manual operation module includes drive unit, drive unit and wane structure, drive unit passes through connecting piece movable mounting on the contactor main part, the both ends of wane structure contact with drive unit and contact part respectively, drive unit transmission connection drive unit, drive unit rotation drives the drive unit motion, the motion the drive unit contact with it is close to one end of wane structure to pry the other end of wane structure and drive movable contact part divide-shut brake or separating brake; the utility model has the advantages that: the contactor operating device is provided with a manual operating module, and under the condition that a controller of the contactor breaks down or a control circuit breaks down, the contactor can be manually switched on, so that a fire pump is started, and the failure of a fire fighting system is avoided.

Description

Contactor operating device

Technical Field

The utility model relates to a contactor technical field specifically is a contactor operating means.

Background

The contactor is widely applied to a control circuit of a fire pump, and under the normal condition of the control circuit, after a coil of the contactor is electrified, current flowing through the coil generates a magnetic field to enable an armature to attract an iron core and drive a main contact of the contactor to be closed, and a main circuit is connected. When the coil of the contactor is powered off, the current flowing through the coil disappears, the electromagnetic attraction of the armature also disappears, and the armature is released under the action of the release spring, so that the main contact of the contactor is separated, and the main circuit is disconnected.

Because the power of the action of the contactor is from the magnetic field generated by the current passing through the coil with the iron core, the conventional contactor loses the power source of the action under the condition that the controller fails or the control circuit fails, so that the main contact can not act; at the moment, if a fire disaster happens, the fire pump cannot be started, and the failure of the fire-fighting system is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contactor operating means to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a contactor operating device, includes the manually operation module, has the contactor main part of contact part, the manually operation module includes drive unit, drive unit and wane structure, drive unit passes through connecting piece movable mounting in the contactor main part, the both ends of wane structure contact with drive unit and contact part respectively, drive unit transmission connection drive unit, the drive unit is rotatory to be driven the drive unit motion, the motion the drive unit contact is close to the one end of wane structure with it to pry the other end of wane structure and take the movable contact part divide-shut brake or divide-shut brake.

As a further aspect of the present invention: the contactor further comprises a supporting unit arranged between the contactor main body and the transmission unit, and the supporting unit elastically supports the transmission unit and guides the movement of the transmission unit.

As a further aspect of the present invention: the support unit comprises a spring and a guide piece installed on the contactor main body through the spring, and one end, far away from the spring, of the guide piece is abutted to the transmission unit.

As a further aspect of the present invention: the transmission unit comprises a shifting block, and a switching-off part and a switching-on part which are arranged on the shifting block, wherein when the driving unit drives the shifting block to do reciprocating motion, one of the switching-off part and the switching-on part is abutted to the warping plate structure.

As a further aspect of the present invention: the two ends of the rocker structure are not equidistant.

As a further aspect of the present invention: the rocker structure comprises a rotating block and a shaft, the rotating block is mounted on the connecting piece through the shaft, and one end, close to the contact part, of the rotating block is provided with a long movable arm.

As a further aspect of the present invention: the drive unit comprises a handle and an intermediate piece, the intermediate piece is installed on the connecting piece, the intermediate piece is provided with a gear meshed with a rack arranged on the transmission unit, the handle drives the intermediate piece to rotate, and the intermediate piece rotates to drive the transmission unit to move.

As a further aspect of the present invention: the connecting piece includes upper cover and casing, the casing is installed on the contactor main part, drive unit and transmission unit pass through the upper cover and install on the casing.

Compared with the prior art, the beneficial effects of the utility model are that: the contactor operating device is provided with a manual operating module, and under the condition that a controller of the contactor breaks down or a control circuit breaks down, the contactor can be manually switched on, so that a fire pump is started, and the failure of a fire fighting system is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a contactor operating device according to an embodiment of the present invention.

Fig. 2 is a schematic view of a part of the structure of a contactor operation device according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the contactor operating device according to the embodiment of the present invention in the opening state.

Fig. 4 is a schematic structural diagram of the contactor operating device in the embodiment of the present invention in the closing state.

In the drawings: 1. an upper cover; 2. shifting blocks; 3. a guide member; 4. a spring; 5. rotating the block; 51. a long movable arm; 6. a shaft; 7. a first sub-housing; 8. a contactor body; 9. a base plate; 10. a second sub-housing; 11. operating a rotating block; 12. a handle.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1-4, in an embodiment of the present invention, a contactor operating device includes a manual operation module and a contactor main body 8 having a contact portion, the manual operation module includes a driving unit, a transmission unit and a seesaw structure, the transmission unit is movably mounted on the contactor main body 8 through a connecting piece, two ends of the seesaw structure respectively contact with the transmission unit and the contact portion, the driving unit is connected in a transmission manner, the driving unit rotates to drive the transmission unit to move, the moving transmission unit contacts with one end of the seesaw structure close to the transmission unit, and the other end of the seesaw structure is levered to drive the contact portion to switch on or off.

Specifically, the contactor operation device has two working conditions, namely the condition that the controller has a fault or the control circuit has a fault, the condition that the controller has no fault or the control circuit has no fault; under the condition that the controller fails or the control circuit fails, the action of the contactor operation device can be realized only through the manual operation module, and the normal work of the contactor is ensured; under the condition that the controller has no fault or the control circuit has no fault, the action of the contactor operation device can be realized through the controller or the control circuit of the contactor, and the normal work of the contactor is not required to be ensured through a manual operation module. The two working conditions are divided into a closing state and an opening state; in the opening state, when opening operation is carried out, the driving unit rotates to drive the transmission unit to transversely move leftwards, one part of the transmission unit prizes the other end of the wane structure through one end of the wane structure contacted with the transmission unit to drive the contact part to lift up, and the contact part of the contactor main body 8 is opened; and in a closing state, when closing operation is performed, the driving unit rotates to drive the transmission unit to move transversely rightward, and the other part of the transmission unit drives the contact part to press downwards through one end of the rocker structure contacted with the transmission unit to pry the other end of the rocker structure, so that the contact part of the contactor main body 8 is closed. The contact portion includes at least a main contact and a terminal, which are identical in structure to a conventional contactor and will not be described in detail herein.

In summary, the manual operation module includes the drive unit, the transmission unit and the rocker structure, and when the controller of the contactor breaks down or the control circuit breaks down, the drive unit drives the transmission unit to move, and the transmission unit moves to drive the rocker structure to move, so as to drive the contact part to switch on or switch off, and manually switch on the contactor, so as to start the fire pump, and avoid causing the failure of the fire protection system.

Further, as shown in fig. 1, the contactor further includes a supporting unit installed between the contactor main body 8 and the transmission unit, and the supporting unit elastically supports the transmission unit and guides the movement of the transmission unit.

The supporting unit comprises a spring 4 and a guide piece 3 installed on a contactor main body 8 through the spring 4, and one end, far away from the spring 4, of the guide piece 3 is abutted to the transmission unit.

During the process of the transverse movement of the transmission unit towards the left or the right, the guide piece plays a role of guiding and also plays a role of elastic support for the transmission unit.

It should be noted that, in the embodiment of the present invention, the number of the contactor main bodies 8 is two, correspondingly, the number of the manual operation modules is also two, and each contactor main body 8 is installed in parallel through the bottom plate 9, in another preferred embodiment, the number of the contactor main bodies 8 is not limited to two, and may be two or more, and the specific number is configured according to actual requirements.

Referring to fig. 1, in the embodiment of the present invention, the connecting member includes an upper cover 1 and a housing, the housing is mounted on the contactor main body 8, and the driving unit and the transmission unit are mounted on the housing through the upper cover 1. The shell is formed by splicing a first sub-shell 7 and a second sub-shell 10, and the rocker structure is installed between the first sub-shell 7 and the second sub-shell 10.

In addition, the transmission unit comprises a shifting block 2, and a switching-off part and a switching-on part which are arranged on the shifting block 2, wherein when the driving unit drives the shifting block 2 to reciprocate, one of the switching-off part and the switching-on part is abutted to the rocker structure.

As shown in fig. 3 and 4, when a closing operation is performed, the driving unit rotates to drive the transmission unit to move laterally to the right, and the closing portion on the shifting block 2 pries the other end of the rocker structure through the end of the rocker structure contacting with the closing portion to drive the contact portion to press down, so that the contact portion of the contactor main body 8 is closed. When the opening operation is carried out, the driving unit rotates to drive the transmission unit to transversely move leftwards, the opening part on the shifting block 2 prizes the other end of the wane structure through one end of the wane structure contacted with the opening part to drive the contact part to lift up, so that the contact part of the contactor main body 8 is opened; two extensions arranged on the shifting block 2 form a switching-off part and a switching-on part respectively.

Preferably, as shown in fig. 2, two ends of the rocker structure are not equidistant, the rocker structure comprises a rotating block 5 and a shaft 6, the rotating block 5 is mounted on the connecting piece through the shaft 6, and one end of the rotating block 5 close to the contact part is provided with a long movable arm 51. The motion of the long movable arm 51 can amplify the motion displacement of the shifting block 2, thereby improving the efficiency and speed of switching on or switching off.

Referring to fig. 1-4, in the embodiment of the present invention, the driving unit includes a handle 12 and an intermediate member, the intermediate member is mounted on the connecting member, the intermediate member is mounted with a gear engaged with a rack provided on the transmission unit, the handle 12 drives the intermediate member to rotate, and the intermediate member rotates to drive the transmission unit to move.

Specifically, the intermediate part is an operation rotating block 11, a rack is arranged on the side face of a shifting block 2 of the transmission unit, the rack is meshed with a gear installed at the bottom of the operation rotating block 11, and a hand wheel drives the operation rotating block 11 to rotate and drives the shifting block 2 to move through the gear and the rack. When closing operation is carried out, the handle is rotated, 12, the handle 12 is linked with the operation rotating block 11, the operation rotating block 11 drives the shifting block 2 to move transversely rightwards, the shifting block 2 moves transversely and compresses the spring 4 through the guide part 3, the shifting block 2 drives the rotating block 5 to rotate around the shaft 6, and the rotating block 5 can drive the contactor main body 8 to close after rotating. When the opening operation is carried out, the handle 12 is rotated, the handle 12 is linked with the operation rotating block 11, the operation rotating block 11 drives the shifting block 2 to transversely move leftwards, the shifting block 2 transversely moves and compresses the spring 4 through the guide piece 3, the action of the shifting block 2 drives the rotating block 5 to rotate around the shaft 6, and the rotating block drives the contactor main body 8 to open; the spring 4 plays a role in assisting in pushing the shifting block 2 to move.

The utility model discloses a theory of operation: when the opening operation is carried out, the driving unit rotates to drive the transmission unit to transversely move leftwards, one part of the transmission unit prizes the other end of the rocker structure through one end of the rocker structure contacted with the transmission unit to drive the contact part to lift up, and the contact part of the contactor main body is opened; when the switching-on operation is carried out, the driving unit rotates to drive the transmission unit to move transversely rightwards, and the other part of the transmission unit drives the contact part to be pressed downwards through one end of the rocker structure which is contacted with the transmission unit to pry the other end of the rocker structure, so that the contact part of the contactor main body is switched on.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The utility model provides a contactor operating device, its characterized in that includes manual operation module, has the contactor main part of contact part, manual operation module includes drive unit, transmission unit and wane structure, the transmission unit passes through connecting piece movable mounting in the contactor main part, the both ends of wane structure contact with transmission unit and contact part respectively, the transmission unit is connected in the drive unit transmission, the drive unit rotation drives the transmission unit motion, the motion the transmission unit contact is close to the one end of wane structure with it to pry the other end of wane structure and take movable contact part divide-shut brake or separating brake.

2. The contactor operating device as claimed in claim 1, further comprising a supporting unit installed between the contactor main body and the driving unit, the supporting unit elastically supporting the driving unit and guiding movement of the driving unit.

3. The contactor operating device as claimed in claim 2, wherein the support unit comprises a spring and a guide member mounted on the contactor body by the spring, an end of the guide member remote from the spring abutting the transmission unit.

4. The contactor operation device as claimed in claim 1, wherein the transmission unit comprises a shifting block, and a switching-off part and a switching-on part which are arranged on the shifting block, and when the driving unit drives the shifting block to reciprocate, one of the switching-off part and the switching-on part abuts against the rocker structure.

5. The contactor operating device as claimed in claim 1, wherein the ends of the paddle structure are not equidistant.

6. The contactor operating device as claimed in any one of claims 1 to 5, wherein the rocker structure comprises a rotary block and a shaft, the rotary block being mounted on the connecting member by the shaft, the rotary block having a long arm at an end thereof adjacent to the contact portion.

7. The contactor operating device as claimed in claim 1, wherein the driving unit comprises a handle, an intermediate member, the intermediate member is mounted on the connecting member, the intermediate member is provided with a gear to engage with a rack provided in the transmission unit, the handle rotates the intermediate member, and the intermediate member rotates the transmission unit.

8. The contactor operating device as claimed in claim 1, wherein the connecting member comprises an upper cover and a housing, the housing is mounted on the contactor main body, and the driving unit and the transmission unit are mounted on the housing through the upper cover.