SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a travel switch assembly and a cabinet, and aims to solve the technical problem that the travel switch assembly in the prior art is inconvenient to switch states during maintenance.
To achieve the above object, in a first aspect, the present invention provides a travel switch assembly, including:
a travel switch including a contact, and the contact being switchable between a closed position to close the circuit and an open position to open the circuit; and
the movable pressing piece is arranged on the base, one part of the movable pressing piece is fixedly arranged relative to the travel switch, the other part of the movable pressing piece can move between a first position and a second position, when the other part of the movable pressing piece moves to the first position, the contact is located at a closed position, and when the other part of the movable pressing piece moves to the second position, the contact is located at an open position.
In one embodiment, the travel switch assembly further comprises a fixed member;
the travel switch also comprises a base, the contact is arranged on the base, and the base is fixedly arranged on the fixing piece;
one part of the movable pressing piece is rotatably connected to the fixed piece, so that the other part of the movable pressing piece can rotate between a first position and a second position;
when the other part of the movable pressing piece rotates to the first position, the movable pressing piece is connected with the contact to drive the contact to be in the closed position; when the other part of the movable pressing piece rotates to the second position, the movable pressing piece is separated from the contact so that the contact is in the open position.
In one embodiment, the travel switch assembly further comprises:
the movable pressing piece is detachably connected with the first positioning piece and the second positioning piece;
when the other part of the movable pressing piece is located at the first position, the movable pressing piece is connected with the first positioning piece, and when the other part of the movable pressing piece is located at the second position, the movable pressing piece is connected with the second positioning piece.
In one embodiment, another part of the movable pressing part is provided with a first side edge and a second side edge, and the first side edge and the second side edge are arranged oppositely;
the first side edge is provided with a first notch, and when the other part of the movable pressing piece is positioned at a first position, the first notch is matched with the first positioning piece so that the movable pressing piece is connected with the first positioning piece;
the second side edge is provided with a second notch, and when the other part of the movable pressing piece is positioned at a second position, the second notch is matched with the second positioning piece, so that the movable pressing piece is connected with the second positioning piece.
In one embodiment, the first and second notches are offset from each other.
In one embodiment, the travel switch assembly is used for being mounted on a cabinet, the cabinet is provided with a cabinet door, and the cabinet door is provided with an avoiding groove extending along the moving direction of the cabinet door;
the side wall of part of the movable pressing piece protrudes to form a protruding part, when the other part of the movable pressing piece is located at the first position, the protruding part is located outside the avoiding groove to limit the movement of the cabinet door, and when the other part of the movable pressing piece is located at the second position, the protruding part is located in the avoiding groove.
In one embodiment, the travel switch further comprises a base, the contact is arranged on the base, the base is fixedly arranged on the fixing piece, the contact is in a shaft-shaped structure, and the contact can move relative to the base along the axial direction of the contact;
the movable pressing piece comprises a fixed part and a movable part which are connected in a separable mode, the fixed part is fixedly connected with the base, the movable part is connected with the contact, the movable part can move between a first position and a second position relative to the fixed part along the axial direction of the contact, and when the movable part moves to the second position, the movable part and the fixed part can be separated.
In one embodiment, the fixing part is sleeved on the radial outer side of the contact, and at least part of the circumferential side wall of the fixing part is provided with a threaded part along the axial direction of the contact;
the movable part is arranged on one side of the contact, which is opposite to the base, and the movable part is in threaded fit with the fixed part, so that the movable part can move between a first position and a second position.
In one embodiment, one side end face of the moving part facing the base is provided with a threaded hole, and the threaded part is in threaded fit in the threaded hole;
wherein, the contact is arranged in the threaded hole.
In a second aspect, the present invention also provides a cabinet, including:
a cabinet body;
the cabinet door is movably arranged on the cabinet body; and
the travel switch assembly is arranged on the cabinet body.
According to the technical scheme, one part of the travel switch assembly is connected with the travel switch, and the other part of the travel switch assembly can move between the first position and the second position to switch the state of the travel switch, so that when the cabinet door is overhauled, the state of the travel switch can be directly switched by the other part of the movable pressing piece, an overhaul worker does not need to manually press the travel switch, and overhaul operation of the overhaul worker is facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In electric cabinet system, travel switch establishes ties on the distribution lines of electrical apparatus rack system, presses travel switch's contact when the cabinet door is closed and makes it keep for the closed position, and travel switch switches on the circuit, and when the cabinet door was opened, the contact freely popped out and is in open position under the effect of elastic component, and travel switch breaks off the connection of circuit to the realization is opened the door and is cut off the power supply function. But when the maintainer carried out the maintenance operation of electric rack system, need open the cabinet door in order to observe inside components and parts, at this moment, travel switch's contact was in the free state of popping out and the connection of disconnection circuit after the cabinet door was removed. However, in order to troubleshoot a fault, a maintainer needs to conduct a line, so that the contact of the travel switch has to be pressed manually. Therefore, the overhaul personnel overhaul the electrical cabinet system inconveniently, and the overhaul efficiency is reduced.
Therefore, the embodiment of the utility model provides the travel switch assembly, the travel switch assembly is additionally provided with the movable pressing piece, the position of the contact of the travel switch is switched through the movement of the movable pressing piece so as to switch the state of the travel switch, and therefore, when the travel switch assembly is installed on an electric cabinet system, the travel switch does not need to be manually pressed to switch the state, the maintenance operation of maintenance personnel is facilitated, and the maintenance efficiency and the man-machine effect of the travel switch are improved.
The concepts of the present application are specifically illustrated below in conjunction with a few specific embodiments.
Referring to fig. 1 and 5, both fig. 1 and 5 show a travel switch assembly.
In this embodiment, the travel switch assembly includes: a travel switch 20 and a movable presser 30.
The travel switch 20 comprises a contact 21, the contact 21 being switchable between a closed position for conducting an electrical circuit and an open position for opening the electrical circuit.
A part of the movable presser 30 is fixedly provided with respect to the stroke switch 30, and another part of the movable presser 30 is movable between a first position and a second position, and when the another part of the movable presser 30 is moved to the first position, the contact 21 is in the closed position, and when the another part of the movable presser 30 is moved to the second position, the contact 21 is in the open position.
Specifically, in the present embodiment, the travel switch assembly is additionally provided with a movable pressing member 30 that engages with the travel switch 20, and the state of the travel switch 20 is switched by the movement of the additionally provided movable pressing member 30. Another portion of the movable presser 30 is movable between a first position and a second position, and when the another portion of the movable presser 30 is moved to the first position, the another portion of the movable presser 30 causes the contact 21 to be in the closed position, and when the another portion of the movable presser 30 is moved to the second position, the contact 21 is caused to be in the open position.
In this embodiment, the travel switch 20 is provided with the movable pressing member 30, and when the cabinet door 2 is mounted on the electrical cabinet system, after the cabinet door 2 is separated from the travel switch assembly, the state of the travel switch 20 can be switched by the movable pressing member 30 provided on the cabinet door, and the contact 21 does not need to be pressed manually, so that the maintenance operation of a maintenance worker is facilitated, and the maintenance efficiency and the man-machine effect of the travel switch 20 are improved.
And a part of the movable pressing member 30 may be fixedly connected to the travel switch 20, such as by being connected to the contact, or by being connected to the base, which is not limited in this embodiment. In addition, a portion of the movable pressing member 30 may be rotatably connected, movably connected, or detachably connected to the base, which is not limited in the embodiment.
Referring to fig. 1, 2 and 3, in an embodiment, the travel switch assembly further includes a fixing member 23, the travel switch 20 further includes a base 22, the contact 21 is disposed on the base 22, and the base 22 is fixedly disposed on the fixing member 23.
One portion of the movable follower 30 may be rotatably coupled to the base 22 such that another portion of the movable follower 30 is rotatable between a first position and a second position.
When the other part of the movable pressing piece 30 rotates to the first position, the movable pressing piece 30 is connected with the contact 21 to drive the contact 21 to be in the closed position; when another portion of the movable pressing member 30 is rotated to the second position, the movable pressing member 30 is separated from the contact 21 so that the contact 21 is in the open position.
In particular, the fixing 23 is used to fixedly mount the travel switch 20 to a cabinet or other equipment. The base 22 of the travel switch 20 is connected to a support component such as a fixing component 23, the base 22 may be configured as a fixing plate, a fixing seat, or a fixing cylinder, and the contact 21 is disposed on the base 22 and is movable on the base 22.
It will be understood that the connection between the contact 21 and the base 22 may be: the contact 21 is rotatably connected to the base 22 so as to be swingable between a closed position and an open position. Alternatively, the contact 21 may be slidably coupled to the base 22 in a fixed direction so as to be slidable between the closed position and the open position. In this respect, the present embodiment is not limited. When the contact 21 is in the closed position, the travel switch 20 is in the closed state, and the line can be conducted. When the contact 21 is in the open position, the travel switch 20 is in the open state, and the line can be disconnected. The travel switch 20 may further include an elastic member having one end connected to the contact 21 and the other end connected to the base 22, and the elastic member is configured to normally drive the contact 21 to move from the closed position to the open position. When no external force is applied, the contact 21 is in the open position under the action of the elastic member.
Referring to fig. 1, 2, and 3, another portion of the movable press 30 in fig. 2 is in the second position, and another portion of the movable press 30 in fig. 3 is in the first position. The end of the base 22 of the travel switch 20 has a mounting hole, and the contact 21 is mounted in the mounting hole and can slide along the axial direction of the mounting hole. I.e. in the axial direction of the contact 21. Wherein the elastic member (not shown) is a compression spring, the compression spring is installed in the installation hole, and the compression spring drives the contact to slide outwards along the axial direction of the installation hole to the open position.
The movable pressing member 30 may be a sheet metal member, one part of which is a connecting end and is sleeved on the rotating shaft 41, and the other part of the movable pressing member 30 is a free end and is in a free state. The rotating shaft 41 and the base 22 are fixed on the fixing member 23 and kept relatively fixed. The movable presser 30 is swingable about the rotary shaft 41 such that the free end of the movable presser 30 is rotatable between the first position and the second position. The connecting portion between the connecting end and the free end is bent to form an arch portion, and the inner side wall of the arch portion is capable of being engaged with the contact 21. So that during the rotation of the other part of the movable presser 30 from the second position to the first position, the inner side wall of the arch part is connected with the contact 21 and forces the contact 21 to be pressed to return to the closed position against the force of the elastic member, so that the travel switch 20 is in the closed state. During the rotation of the free end of the movable presser 30 from the first position to the second position, the inner side wall of the arch part is separated from the contact 21, so that the contact 21 returns to the open position under the action of the elastic member.
In this embodiment, the other part of the movable pressing member 30 is rotatable between the first position and the second position, so that the maintenance personnel can quickly toggle the position of the other part of the movable pressing member 30, thereby further improving the maintenance efficiency.
In an embodiment, the travel switch assembly further includes a first positioning member 42 and a second positioning member 43, the first positioning member 42 and the second positioning member 43 are disposed on the fixing member 23, the first positioning member 42 and the second positioning member 43 are disposed at an interval, and the movable pressing member 30 is detachably connected to the first positioning member 42 and the second positioning member 43.
When the other part of the movable pressing member 30 is located at the first position, the movable pressing member 30 is connected to the first positioning member 42, and when the other part of the movable pressing member 30 is located at the second position, the movable pressing member 30 is connected to the second positioning member 43.
Referring to fig. 2, a portion of the fixing member 23 may be provided in a plate shape and fixed to the cabinet by a screw or the like. The base 22 of the travel switch 20 is fixedly mounted on a fixing member 23. The fixed member 23 is provided with a rotating shaft 41, a first positioning member 42 and a second positioning member 43, and the base 22 is located between the first positioning member 42 and the rotating shaft 41. When the other part of the movable pressing member 30 rotates to the first position, the free end of the movable pressing member 30 is connected to the first positioning member 42, and at this time, the inner side wall of the arch portion presses the contact 21 to be in the closed state. The first detent 42 holds the movable follower 30 in the first position.
Referring to fig. 2, when the other portion of the movable pressing member 30 rotates to the second position, the free end of the movable pressing member 30 is connected to the second positioning member 43, and the inner sidewall of the arch portion is separated from the contact 21. The second positioning member 43 holds the movable presser 30 at the second position.
In this embodiment, the first positioning member 42 and the second positioning member 43 hold another part of the movable pressing member 30 at the corresponding first position and second position, so that the closed state and the open state of the travel switch 20 can be stably maintained, thereby facilitating the normal operation of the maintenance.
In one embodiment, another portion of the movable compression element 30 has a first side and a second side that are oppositely disposed. The first side edge is provided with a first notch 31, and when the other part of the movable pressing piece 30 is located at the first position, the first notch 31 is matched with the first positioning piece 42, so that the movable pressing piece 30 is connected with the first positioning piece 42. The second side edge is provided with a second notch 32, and when the other part of the movable pressing member 30 is located at the second position, the second notch 32 is matched with the second positioning member 43, so that the movable pressing member 30 is connected with the second positioning member 43.
Referring to fig. 2 and 3, the first positioning member 42 and the second positioning member 43 may be studs or screws welded or screwed to the fixing member 23. The first side edge of the free end of the movable pressing piece 30 is provided with a first notch 31, and the outer diameter of the first positioning piece 42 is not larger than the width of the first notch 31, so that the first positioning piece 42 can be clamped in the first notch 31, and the other part of the movable pressing piece 30 is stabilized at the first position. Similarly, the outer diameter of the second positioning member 43 is not greater than the width of the second notch 32, so that the second positioning member 43 can be snapped into the second notch 32, and the other portion of the movable pressing member 30 is stabilized at the second position.
In this embodiment, adopt breach and first setting element 42 or second setting element 43 cooperation can realize quick separation or quick connection each other, and this breach simple structure, the maintainer switching state is quick, the reliability is high, the fault rate is low.
In one embodiment, the first notch 31 and the second notch 32 are offset from each other.
Referring to fig. 1, the first notch 31 and the second notch 32 are sequentially arranged along the length direction of the free end so as to be staggered. The structural strength of the movable pressing piece 30 is improved, so that the problem that the service life is influenced due to the fact that the structure of the free end is weak when the first notch 31 and the second notch 32 are opposite to each other is avoided.
In one embodiment, the travel switch assembly is configured to be mounted on a cabinet, and referring to fig. 4, the cabinet has a cabinet door 2, and the cabinet door 2 has an avoidance groove 201 extending along a moving direction of the cabinet door 2;
part of the side wall of the movable presser 30 protrudes to form a projection 33. When the movable pressing member 30 is in the first position, the protrusion 33 is located outside the avoiding groove 201 to limit the movement of the cabinet door 2, and when the movable pressing member 30 is in the second position, the protrusion 33 is located inside the avoiding groove 201.
Referring to fig. 4, an avoiding groove 201 is horizontally formed on the inner side wall of the cabinet door 2. One side wall of the arch portion of the movable presser 30 has a protrusion 33. The protruding portion 33 protrudes from the outer side wall of the arch portion, so that when another portion of the movable pressing member 30 is located at the first position, the protruding portion 33 is located outside the avoiding groove 201 and in the moving path of the cabinet door 2, and the cabinet door 2 cannot be normally closed. When only the service person switches another part of the movable pressing member 30 to the second position, the protrusion 33 is located in the avoiding groove 201, so that the cabinet door 2 can be normally closed. By adopting the structure, the embodiment can prevent the safety risk caused by the fact that the stroke switch 20 after maintenance is always in the conducting state due to human negligence.
In one embodiment, the contact 21 is a shaft-like structure, and the contact 21 is movable relative to the base 22 along the axial direction of the contact 21; the contact 21 and the base 22 are connected to the movable presser 30.
The movable presser 30 includes a fixed portion 30a and a movable portion 30b detachably connected, the fixed portion 30a is fixedly connected to the base 22, the movable portion 30b is connected to the contact, and the movable portion 30b is movable relative to the fixed portion 30a along the axial direction of the contact 21 between a first position and a second position, in which the movable portion 30b is detachable from the fixed portion 30a when the movable portion 30b moves to the second position.
Referring to fig. 5, the end of the base 22 is provided with a mounting hole, and the contact 21 is disposed in the mounting hole, for example, the contact 21 may be configured as a cylindrical or prismatic structure, such that the contact 21 can move in the base 22 along the axial direction thereof. The movable pressing member 30 includes a fixed portion 30a and a movable portion 30b detachably connected. That is, one part of the movable pressing member 30 is a fixed part 30a, and the other part thereof is a movable part 30 b. The fixed portion 30a is connected to the base 22, and the moving portion 30b is connected to the contact 21. Therefore, the movable pressing member 30 can be directly disposed on the travel switch 20 to avoid occupying space on the cabinet 1, so that the overall structure of the travel switch assembly is more compact.
The moving portion 30b is movable relative to the base 22 between the first position and the second position in the axial direction of the contact 21. The moving portion 30b moves the movable contact 21 between the closed position and the open position by moving relative to the base 22. For example, the moving portion 30b moves to the first position under the external force of the service person, and since the moving portion 30b is connected to the contact 21, the moving portion 30b drives the contact 21 to move to the closed position, so that the stroke switch 20 is in the closed state.
When the moving portion 30b moves to the second position by an external force of the service man, the moving portion 30b is connected to the contact 21, and the moving portion 30b drives the contact 21 to move to the open position, so that the stroke switch 20 is in the open state. Alternatively, referring to fig. 5, since the moving portion 30b moves to the second position, the contact 21 is free to spring out to the open position by the elastic member, and at this time, the travel switch 20 is in the open state.
After the moving part 30b moves to the second position, in order to prevent the moving part 30b from affecting the normal operation of the contact, at this time, the moving part 30b is separated from the fixed part 30a, and the moving part 30a is removed.
Therefore, in the present embodiment, the contact 21 moves in the axial direction of the contact 21, and the moving portion 30b also moves in the axial direction of the contact 21, so that the moving portion 30b defines a stroke space of the contact 21 by the first position and the second position on the moving path of the contact 21.
The movable portion 30b and the fixed portion 30a may be moved relative to each other by providing a guide rail in the fixed portion 30a in the axial direction of the contact 21, and reciprocating the movable portion 30b in the guide rail. Or in an embodiment, the fixing portion 30a is sleeved on the radial outer side of the contact 21, and at least a part of the circumferential side wall of the fixing portion 30a is provided with a threaded portion along the axial direction of the contact 21. Wherein, the moving portion 30b is disposed at a side of the contact 21 facing away from the base 22, and the moving portion 30b is threadedly engaged with the threaded portion so that the moving portion 30b is movable between the first position and the second position.
In the present embodiment, at least one circumferential side wall of the end portion of the fixing portion 30a extends in the axial direction of the contact 21 to form a threaded portion. I.e. all circumferential side walls may be configured with an external thread, so that the threaded portion may be configured as a full thread. Or a plurality of screw portions configured as break threads arranged at intervals in the circumferential direction of the contact 21.
The moving portion 30b is threadedly engaged with the fixed portion 30a, and if the moving portion 30b is configured as a slider having a threaded hole, the moving portion 30b moves on the threaded portion, i.e., between the first position and the second position, by engaging the threaded hole with the threaded portion. The moving portion 30b is disposed on a side of the contact 21 opposite to the base 22, and a stroke section of the contact 21 is defined between an end surface of the moving portion 30b facing the base 22 and an end surface of the fixed portion 30a, and the end surface of the moving portion 30b abuts against and engages with the contact 21, so that the contact 21 moves between the closed position and the open position.
Alternatively, in one embodiment, the end surface of the moving portion 30b on the side facing the base 22 has a threaded hole in which the threaded portion is threadedly fitted; wherein the contact 21 is arranged in the threaded hole.
Referring to fig. 5, the moving portion 30b is configured as a closed nut and movably sleeved on the radial outer side of the contact 21, and the moving portion 30b is connected with the fixing portion 30a through a screw-thread fit. When the moving portion 30b is moved and locked toward the base 22, the contact 21 is pressed to the closed position by the hole bottom wall of the screw hole.
In this embodiment, the position of the contact 21 is adjusted through the threaded connection between the closed nut and the fixing portion 30a, so as to adjust the state of the travel switch 20, the structure is compact, the adjustment is convenient, the position of the movable pressing member 30 can be adjusted through the screwing action of a maintenance worker, and the maintenance worker can conveniently conduct the travel switch 20. When the close nut moves to the second position, the moving part 30b can be taken down, and the moving part 30b is prevented from influencing the normal work of the contact.
Referring to fig. 4, the present invention also provides a cabinet, including: the cabinet comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet door 2 is movably arranged on the cabinet body 1; and the travel switch assembly is arranged on the cabinet body.
The specific structure of the travel switch assembly refers to the above embodiments, and since the cabinet adopts all technical solutions of all the above embodiments, all beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not repeated here.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.