Attachable / detachable trap-type key switch

Abstract

The present invention relates to an attachable / detachable trap-type key switch which is capable of stably assembling / disassembling a contact plate with / from a hook hanger of a socket housing in an attachable / detachable manner so as to improve fastening properties, enables easy replacement with and use of other contact plates having various contacts or various shapes, and eliminates the need for a plurality of additional fastening bolts because mounting brackets are provided at both sides of a main case, which can greatly reduce construction time and improve constructability.

Description

Detachable trap-type key switch

[0001] The present invention relates to a detachable trap-type key switch, and more specifically, to a detachable trap-type key switch in which a contact plate can be reliably and detachably assembled or separated from a hook hanger of a socket housing, thereby improving fastening properties and enabling easy replacement and use of other contact plates having various contact points or shapes.

[0002] In general, a trap-type key switch is configured to enable stable operation by allowing the shaft to move forward or backward by the rotation of the key to connect and forcibly disconnect the contacts, and to enable stable use of the key switch by limiting the rotation of the key by a lock device.

[0003] In the conventional trap-type key switch disclosed in Korean Patent Registration No. 10-1295694, the contact plate is fixed to the socket housing by a bolt fastening method, so it has the disadvantages of poor assembly, long disassembly time required for maintenance, and in addition, it is impossible to replace more contact plates and has poor compatibility.

[0004] The present invention has been invented to solve the above-mentioned problems, and the purpose of the present invention is to provide a detachable trap-type key switch in which a contact plate can be reliably and detachably assembled or separated from a hook hanger of a socket housing, thereby improving fastening properties, and in which other contact plates having various contact points or various shapes can be easily replaced and used, thereby improving compatibility.

[0005] In order to achieve the above-described object, a detachable trap-type key switch according to the present invention comprises: a main case having a receiving space at the center; a key assembly rotatably installed in the receiving space and exposed to the front of the main case, the key assembly having a key groove so as to be operated by inserting a key; an operating module connected to an end of the key assembly and performing a rotation and a push operation while being flexibly moved forward and backward by the key assembly; a solenoid installed in the main case and having a lock head for selectively locking the rotation of the key assembly; a socket housing assembled to the rear of the main case and having at least one hook part; And there is a technical feature comprising a contact plate having at least one hook for coupling to the hook hanger on one side so that it can be selectively coupled to or separated from the socket housing, and having a contact terminal on the other side that is contacted by the rotation and push operation of the operating module;

[0006]

[0007] In addition, the hook hangers may be arranged at regular intervals on both sides of the rear of the socket housing, and the hooks may be installed at regular intervals on both sides of the front of the contact play.

[0008] When attaching a hook to the above hook hanger, a guide slope may be formed on the front end of the hook hanger to guide the progress of the hook.

[0009]

[0010] Additionally, mounting brackets may be installed on both sides of the main case for installation and fixation.

[0011] The above mounting bracket may be configured to include a fixing plate having a fixing projection that fits into a fixing groove formed on both sides of the main housing; and a support that extends from the fixing plate and is stably contacted and supported.

[0012] As described above, the present invention has the following effects.

[0013] First, the contact plate can be reliably and detachably assembled or separated from the hook hanger of the socket housing, thereby improving fastening performance and allowing for easy replacement and use of other contact plates with various contact points or shapes.

[0014] Second, since mounting brackets are provided on both sides of the main case, multiple separate fastening bolts are unnecessary, which significantly reduces construction time and improves constructability.

[0015] Figure 1 is a perspective view illustrating a combined detachable trap-type key switch according to a preferred embodiment of the present invention.

[0016] Figure 2 is a front view of Figure 1

[0017] Figure 3 is a plan view of Figure 1

[0018] Figure 4 is a side view of Figure 1

[0019] Figure 5 is a cross-sectional view of Figure 1.

[0020] Figures 6 and 7 are exploded perspective views showing a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0021] Figure 8 is an exploded cross-sectional view showing a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0022] FIG. 9 is a side view showing a state in which a detachable trap-type key switch according to a preferred embodiment of the present invention is fixed to a structure using a mounting bracket.

[0023] Figures 10 and 11 are perspective views showing a mounting bracket in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0024] Figures 12 and 13 are exploded perspective views showing an operating module in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0025] Figures 14 and 15 are perspective views showing the combined state of the socket housing and the contact plate in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0026] Hereinafter, a detachable trap-type key switch according to a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

[0027] FIG. 1 is a perspective view illustrating a detachable trap-type key switch according to a preferred embodiment of the present invention, FIG. 2 is a front view of FIG. 1, FIG. 3 is a plan view of FIG. 1, FIG. 4 is a side view of FIG. 1, FIG. 5 is a longitudinal sectional view of FIG. 1, FIGS. 6 and 7 are exploded perspective views illustrating a detachable trap-type key switch according to a preferred embodiment of the present invention, and FIG. 8 is an exploded longitudinal sectional view illustrating a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0028] FIG. 9 is a side view showing a state in which a detachable trap-type key switch according to a preferred embodiment of the present invention is fixed to a structure using a mounting bracket, and FIGS. 10 and 11 are perspective views showing a mounting bracket in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0029] FIGS. 12 and 13 are exploded perspective views showing an operating module in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0030] And FIGS. 14 and 15 are perspective views showing the combined state of a socket housing and a contact plate in a detachable trap-type key switch according to a preferred embodiment of the present invention.

[0031] First, as illustrated in FIGS. 1 to 8, a detachable trap-type key switch (100) according to a preferred embodiment of the present invention is configured to enable stable operation by allowing the operation module (150) to move forward or backward by the rotation of the key (K) to connect and forcibly disconnect the contacts, and to enable stable use of the key switch by limiting the rotation of the key (K) by a locking device (e.g., solenoid) (160).

[0032] A detachable trap-type key switch (100) according to a preferred embodiment of the present invention has a technical feature comprising: a main case (110) forming an exterior; a key assembly (120) having a key groove (120a) and rotating at a predetermined angle by rotation of a key (K); a cover (130) assembled to the front surface of the main case (110); a key sensor (140) detecting a rotational position of the key (K); an operating module (150) performing a rotation and push operation by the key assembly (120); a solenoid (160) controlling the rotation of the key assembly (120) to maintain a locked state; a socket housing (170); and a contact plate (180) that can be selectively coupled to or separated from the socket housing (170).

[0033] In a detachable trap-type key switch (100) according to a preferred embodiment of the present invention, for convenience of explanation, the cover (130) side is defined as the front direction, and the contact plate (180) side is defined as the rear direction.

[0034]

[0035] Looking specifically at the components of a detachable trap-type key switch (100) according to a preferred embodiment of the present invention, first, as shown in FIGS. 1 to 8, the main case (110) forms an outer appearance and has a receiving space (111) in the center thereof.

[0036] A cover (130) is positioned on the front of the main case (110). The main case (110) may be formed integrally with the cover (130) or, although not shown in the drawing, may be formed separately.

[0037] An opening (130a) is formed in the center of the cover (130) to expose the key ring (120) to the outside.

[0038] The cover (130) may be composed of a bottom cover (130A) and a top cover (130B) that is coupled (assembled) to the bottom cover (130A). The bottom cover (130A) may be formed integrally with the main case (110).

[0039] As illustrated in FIGS. 5 to 7, a step (131) is formed at the center of the bottom cover (130A) to fix the position of the key assembly (120). The step (131) serves to stably support and protect the engaging step (121a) of the key outer housing (121) described later.

[0040] The joint structure of the bottom cover (130A) and the top cover (130B) can be configured in various ways, and for example, they can be joined using a bolt fastening method.

[0041] A circuit board (137) is installed inside the cover (130), and an LED lamp (L) that is mounted on the circuit board (137) and electrically connected to the front of the top cover (130B) and emits light in a surface can be installed so that it is exposed to the outside.

[0042] As shown in FIGS. 1 and 2, the LED lamp (L) of the present invention is larger in size and maintains a brighter illumination than the existing point light source structure, so that the key locking state can be displayed with high visibility.

[0043]

[0044] In addition, as shown in FIGS. 5 to 7, the key unit (120) is installed in the receiving space (111) and is installed so as to be exposed to the front of the main case (110), and has a key groove (120a) so that the key (K) can be inserted and operated.

[0045] Briefly describing the configuration of the key unit (120) of the present invention, the key unit (120) may be configured to include a key outer housing (121) having a key groove (120a); a key core (122) inserted into the key outer housing (121); and a key housing (123) coupled to the key core (122).

[0046] A lock head insertion hole (123a) is formed in the key housing (123) so that the lock head (161) of the solenoid (160) described later can be selectively inserted to maintain a locked state. A detailed description of the configuration and operation of the key unit (120) will be omitted.

[0047]

[0048] In addition, referring to FIGS. 5 to 7, the key detection sensor (140) is installed inside the cover (130) and mounted on the circuit board (137), and serves to detect a key (K) inserted into a key groove (120a) of a key block (120).

[0049] The nose (K1) of the key (K) (see Fig. 6) is selectively caught (interfered with) by a step (not shown) formed on the inner surface of the key outer housing (121) to prevent rotation of the operating module (150) when the connection terminal (182) is in the on state.

[0050] The above key detection sensor (140) can be installed so that two sensors face each other at a certain distance, and can detect whether the key (K) is inserted into the key home (120a) or whether the key (K) is separated from the key home (120a), thereby confirming whether the worker has entered the workplace carrying the key (K).

[0051]

[0052] Additionally, as shown in FIG. 1, mounting brackets (190) may be further installed on both sides of the main case (110) for installation and fixation.

[0053] As illustrated in FIGS. 9 to 11, the mounting bracket (190) may include a fixing plate (191) having a fixing projection (191a) that is fitted into a fixing groove (110a) (illustrated in FIG. 6) formed on both sides of the main housing (110); and a support (192) that extends from the fixing plate (191) and stably contacts and supports the structure (W).

[0054] It is preferable that the support (192) be formed with a toothed portion (192a) for close contact with the structure (W). A handle portion (193) may be formed on the outside of the fixed plate (191) for easy gripping.

[0055] A detachable trap-type key switch (100) according to a preferred embodiment of the present invention is provided with a mounting bracket (190), thereby eliminating the need for a number of separate fastening bolts, thereby significantly reducing construction time and improving constructability.

[0056]

[0057] In addition, referring to FIGS. 5 to 7 and FIGS. 12 to 13, the operating module (150) is connected to the end of the key block (120) by a pin spring (P), and the operating module (150) performs a pushing action by elastically moving back and forth by the rotation and pushing of the key core (122) of the key block (120).

[0058] The contact terminal (182) of the contact plate (180) is configured to be connected on or off by the push operation of the above-mentioned operation module (150). As the connection of the contact terminal (182) is turned on or off, the internal contact of the contact plate (180) may come into contact or be separated, thereby connecting or disconnecting an electric signal.

[0059]

[0060] Looking at the configuration of the above operating module (150), the operating module (150) is configured to include an upper rotation pusher (151); a bottom rotation pusher (152); a spring (153); and a stopper (154).

[0061] And the bottom rotation pusher (152) may be composed of a first bottom rotation pusher (152A) connected to the upper rotation pusher (151) by a pin spring (P); and a second bottom rotation pusher (152B) having a larger diameter than the first bottom rotation pusher (152A), located inside the socket housing (150), and having a contact terminal contact groove (H) that contacts the contact terminal (182).

[0062]

[0063] Looking at the configuration of the above operating module (150) in more detail, the upper rotation pusher (151) is connected to the key core (122) of the key unit (120) by a pin spring (P).

[0064] The above bottom rotation pusher (152) is connected to the upper rotation pusher (151) and contacts the contact terminal (182) by elastically pressing it through a pushing motion, and has a path (156) in which an inclined portion (156b) is formed between the bottom portion (156a) and the top portion (156c).

[0065] The contact terminal contact groove (H) (shown in FIG. 13) of the above bottom rotation pusher (152) is configured so that the contact terminal (182) comes into contact when pressed.

[0066] The above spring (153) is installed in the upper rotation pusher (151) to elastically support the bottom rotation pusher (152).

[0067] And the stopper (154) is formed on the inner surface of the socket housing (170) to limit the position of the bottom rotation pusher (152) while contacting the inclined portion (152a) during rotation and pushing operations.

[0068] When the operating module (150) rotates and pushes, the stopper (154) is elastically contacted along the path (156) of the bottom rotation pusher (152). When the stopper (154) is located at the bottom portion (156a), the connection of the contact terminal (182) is turned off, and when the stopper (154) is located at the top portion (156c), the connection of the contact terminal (182) is turned on. In the state where the connection of the contact terminal (182) is turned on, the contact terminal (182) is caught (interfered) within the contact terminal contact groove (H), thereby stopping the rotation of the operating module (150).

[0069] The stopper (154) of the present invention is formed integrally on the inner surface of the socket housing (170) and is formed in a triangular shape, so that in order to solve the problem of the original intended lock function being lost when the operator operates while avoiding the lock section, the present invention is configured so that the key (K) can only stay in the auto section and the teach section through the automatic return (or automatic rotation) function.

[0070]

[0071] In addition, as shown in FIGS. 5 to 7, the solenoid (160) is installed in the main case (110) and has a lock head (161) that is selectively inserted into the lock head insertion hole (123a) of the key housing (123) for locking.

[0072] The solenoid (160) is an actuator that controls the rotational motion of the key assembly (120), and is configured to move a shaft (not shown) having a lock head (161) forward and backward by an externally installed control unit or PLC (not shown), and is configured to control (lock) the rotation of the key housing (123) by selectively inserting the lock head (161) into the lock head insertion hole (123a).

[0073] The main circuit board (MP) may be equipped with a lock head detection sensor (S) that detects the position of the lock head (161) and thus detects the operation of the solenoid (160). By detection by the lock head detection sensor (S), the LED lamp (L) may indicate key locking.

[0074]

[0075] Additionally, the socket housing (170) is assembled to the rear of the main case (110) and has at least one hook hanger (171).

[0076] The hook hangers (171) are configured to be elastically opened at regular intervals from each other, so that the contact plate (180) can be reliably assembled or separated.

[0077] The above contact plate (180) has at least one hook (181) on one side for coupling to a hook hanger (171) so that it can be selectively coupled to or separated from the socket housing (170).

[0078] The above contact plate (180) has a contact terminal (182) that is contacted by the rotation and pushing operation of the operating module (150) on the other side.

[0079] The above hook hangers (171) are arranged at regular intervals on both sides of the rear of the socket housing (170), and the hooks (181) are installed at regular intervals on both sides of the front of the contact play (180).

[0080] When attaching a hook (181) to the above hook hanger (171), a guide slope (171a) may be formed on the front end of the hook hanger (171) to guide the progress of the hook (181).

[0081]

[0082] The operation of a detachable trap-type key switch (100) according to a preferred embodiment of the present invention configured as described above is described as follows.

[0083] As illustrated in FIGS. 1 and 2, in a detachable trap-type key switch (100) according to a preferred embodiment of the present invention, a socket housing (170) is provided with at least one hook hook (171), and the hook hooks (171) are configured to be elastically spread apart at a certain interval from each other, so that a contact plate (180) can be reliably detachably assembled or separated, and fastening properties are improved, enabling the adoption of more products.

[0084] A detachable trap-type key switch (100) according to a preferred embodiment of the present invention is provided with a mounting bracket (190), thereby eliminating the need for a number of separate fastening bolts, thereby significantly reducing construction time and improving constructability.

[0085]

[0086] As described above, the present invention has the following effects.

[0087] First, the contact plate can be reliably and detachably assembled or separated from the hook hanger of the socket housing, thereby improving fastening performance and allowing for easy replacement and use of other contact plates with various contact points or shapes.

[0088] Second, since mounting brackets are provided on both sides of the main case, multiple separate fastening bolts are unnecessary, which significantly reduces construction time and improves constructability.

[0089]

[0090] The terms and words used in this specification and claims described above should not be interpreted as limited to their usual or dictionary meanings, but should be interpreted with meanings and concepts that conform to the technical idea of ​​the present invention based on the principle that the inventor can appropriately define the concept of the term in order to explain his or her own invention in the best way.

[0091] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention. Therefore, it should be understood that there may be various equivalents and modified examples that can replace them at the time of filing this application.

Claims

1. A main case (110) having a receiving space (111) in the center; A key unit (120) that is installed rotatably within the above-mentioned receiving space (111) and is installed so as to be exposed to the front of the main case (110), and has a key groove (120a) so that it can be operated by inserting a key (K); An operating module (150) connected to the end of the key group (120) and performing a rotation and pushing operation while being elastically moved forward and backward by the key group (120); A socket housing (170) assembled on the rear of the main case (110) and having a plurality of hook hangers (171) arranged at regular intervals on both sides of the rear; and A plurality of contact plates (180) having a hook (181) for coupling to the hook hanger (171) on one side so that the socket housing (170) can be selectively coupled or separated, and a contact terminal (182) that is contacted by the rotation and pushing operation of the operating module (150) on the other side; A detachable trap-type key switch characterized in that the hook (181) is installed at a certain interval on both sides of the front of the contact plate (180), and when the hook (181) is connected to the hook hanger (171), a guide slope (171a) is formed on the front end of the hook hanger (171) to guide the progress of the hook (181), and the hook hanger (171) is configured to be elastically spread, thereby selectively assembling or separating the contact plate (180).

2. In paragraph 1, On both sides of the above main case (110), a mounting bracket (190) is further installed for installation and fixation. The above mounting bracket (190) has a fixing plate (191) having a coupling projection (191a) that is coupled into a coupling groove (110a) formed on both sides of the main case (110); and It includes a support (192) formed by extending from the above fixed plate (191) and for stable contact and support; A detachable trap-type key switch characterized in that a toothed portion (192a) is formed on the above support (192) for adhesion to a structure.

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