Door lock state triggering device and emergency door

Abstract

The utility model relates to the technical field of rail transit facilities, and discloses a door lock state triggering device and an emergency door, and the door lock state triggering device comprises a base frame; the linkage assembly comprises a linkage rod and a trigger plate, the trigger plate is arranged on the linkage rod, the linkage rod is in sliding connection with the base frame and has a first position and a second position, the linkage rod is in linkage with a lock rod of the emergency door, the linkage rod is located at the first position under the condition that the emergency door is locked, and the linkage rod is located at the second position under the condition that the emergency door is unlocked; the sensing assembly comprises a sensor and a contact, the sensor is arranged on the base frame and located on one side of the linkage rod, the contact is arranged on the sensor and faces the linkage rod, the trigger plate is separated from the contact at the first position, and the trigger plate triggers the contact at the second position. Therefore, the problem that normal operation of the rail transit platform is affected by false triggering of a switch signal is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit facility technical field, concretely relates to a door lock state trigger device and emergency door. BACKGROUND

[0002] On the platform of rail transit, usually set up emergency door, is used for dispersing the on -the -spot personnel under the emergency condition, isolates dangerous source etc. In order to guarantee the unobstructedness of emergency passage, avoid the abnormal occupation of passage under the non emergency state, emergency door is in the closed state under normal condition, and the locking state of emergency door is monitored through sensor, when emergency door opens, means that the platform has dangerous occurrence, at this time, the train of platform is all shut down, and disperses the on -the -spot personnel.

[0003] In related art, the locking state of emergency door is usually detected through contact sensor such as travel switch, in the state of emergency door locking, the contact of travel switch is always extruded by the lock rod of emergency door and keeps the trigger state, when emergency door is unlocked, the lock rod is separated from the contact that forms switch, at this time, travel switch sends a signal, prompts the staff that the door lock of emergency door opens.

[0004] However, in the above related art, since the contact of contact sensor and the lock rod of emergency door are in long-term contact, the sensor contact may be rusted, contaminated and the like, leading to unstable contact of contact, and further easily leading to switch signal false triggering, affecting the normal operation of rail transit platform. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a door lock state trigger device to solve the problem that the lock rod and the contact are in long-term contact, leading to contact pollution and further causing switch signal false triggering, affecting the normal operation of rail transit platform.

[0006] In the first aspect, the utility model provides a door lock state trigger device, including: base frame, linkage assembly, including linkage rod and trigger plate, the trigger plate is located on the linkage rod, the linkage rod is connected with the base frame sliding and has first position and second position, the linkage rod is linked with the lock rod of emergency door, in the case where the emergency door is locked, the linkage rod is located at the first position, in the case where the emergency door is unlocked, the linkage rod is located at the second position, sensor and contact, the sensor is located on the base frame and is located one side of the linkage rod, the contact is located on the sensor and is set to the linkage rod, in the first position, the trigger plate is separated from the contact, in the second position, the trigger plate triggers the contact.

[0007] Beneficial effects: the base frame provides a mounting base for other components, and is linked with the lock rod of the door lock of the emergency door through the linkage rod with the first position and the second position. Since the linkage rod is provided with the trigger plate at the end, when the linkage rod moves from the first position to the second position, i.e. when the door lock of the emergency door changes from the locked state to the unlocked state, the trigger plate moves with the linkage rod and presses the contact of the sensor, so that the sensor is triggered and sends a signal, thereby enabling the staff to monitor the locking state of the emergency door. At the same time, the possibility of contact pollution caused by the long-term contact of the contact with the lock rod is avoided, which affects the accuracy of signal triggering, thereby avoiding affecting the normal operation of the rail transit platform.

[0008] In an alternative embodiment, the base frame comprises oppositely arranged mounting plates and limiting plates, and the mounting plates and the limiting plates are provided with oppositely arranged linkage holes, and the linkage rod passes through the two linkage holes respectively to be slidably connected with the base frame.

[0009] Beneficial effects: the mounting plate and the limiting plate are oppositely arranged on the base frame, and the linkage holes are commonly arranged on the mounting plate and the limiting plate, and the two linkage holes commonly limit the linkage rod, thereby realizing the stable sliding fit between the linkage rod and the rack.

[0010] In an alternative embodiment, the base frame further comprises a vertical plate, the mounting plate is fixedly connected with the vertical plate, the limiting plate is fixedly installed with the vertical plate, and the vertical plate is provided with a connecting lug on one side of the limiting plate, and the sensor is installed on the connecting lug.

[0011] Beneficial effects: since the limiting plate is fixedly installed with the vertical plate, when assembling the triggering device, the linkage rod is first assembled with the mounting plate, then the limiting plate is installed on the vertical plate and the linkage rod passes through the linkage hole on the mounting plate, then the sensor is installed on the connecting lug, and finally the trigger plate is installed on the linkage rod. The whole assembly steps are carried out from bottom to top, which is convenient and fast.

[0012] In an alternative embodiment, the limiting plate comprises a mounting portion and a guide portion perpendicular to each other, the mounting portion is attached to the vertical plate and is fixedly installed with the vertical plate through a connecting piece, and the linkage hole is arranged on the guide portion.

[0013] Beneficial effects: the vertically arranged mounting portion and guide portion make the mounting portion coincide with the vertical plate, which facilitates the quick installation of the limiting plate with the vertical plate through fasteners.

[0014] In an alternative embodiment, a reset spring is sleeved on the linkage rod, a limiting ring is fixedly arranged on the side wall of the linkage rod, and the two ends of the reset spring are respectively abutted with the limiting ring and the limiting plate.

[0015] Beneficial effects: By setting the limiting ring on the limiting plate, the reset spring is limited, when the emergency door is switched from the locked state to the unlocked state, the lock rod of the emergency door is retracted, at this time the lower side of the linkage rod loses the support of the lock rod, the reset spring pushes the limiting ring and makes the linkage rod move from the first position to the second position, thereby triggering the contact.

[0016] In an alternative embodiment, a limiting gasket is arranged at the linkage hole of the mounting plate, and the linkage rod passes through the limiting gasket.

[0017] Beneficial effects: By setting the limiting gasket at the linkage hole of the mounting plate, the stability of the linkage rod sliding through the linkage hole and the mounting plate is strengthened.

[0018] In an alternative embodiment, at least one foot is arranged on the side of the mounting plate away from the limiting plate, and a mounting lug is arranged on one side of the foot, and the mounting lug is parallel to the mounting plate.

[0019] Beneficial effects: By setting the foot and the mounting lug on the foot, the trigger device is conveniently installed and fixed on the corresponding mounting plane of the emergency door, and the practicability of the trigger device is improved.

[0020] In an alternative embodiment, a threaded segment is arranged on the side of the linkage rod away from the limiting plate, two mounting nuts are threadedly connected on the threaded segment, a trigger plate is sleeved on the threaded segment and located between the two mounting nuts, and the two mounting nuts respectively abut against the trigger plate.

[0021] Beneficial effects: By setting the threaded segment and configuring two mounting nuts on the threaded segment, the trigger plate is clamped by the two mounting nuts, the position of the trigger plate is limited and installed, and the position of the trigger plate can be quickly and conveniently adjusted through the positions of the two mounting nuts, the sensor installation precision requirement is reduced, and the practicability of the structure is improved.

[0022] In an alternative embodiment, the trigger plate is circular, and the threaded segment coincides with the axis of the trigger plate.

[0023] Beneficial effects: Since the trigger plate is circular, the rotation of the trigger plate around the axis during the installation or adjustment of the trigger plate by the two mounting nuts does not affect the distance between the trigger plate and the sensor contact, so that the function of the structure is more stable and reliable.

[0024] The utility model also provides an emergency door, including: door body, door lock, be equipped with on the door body, be equipped with the lock bar on the door lock, the lock bar has locking position and unlocking position, the door lock state trigger device, the one end of the linkage rod is away from the trigger board and the lock bar end portion abuts, in the locking position, the linkage rod is located in the first position, in the unlocking position, the linkage rod is located in the second position.

[0025] Beneficial effect: the emergency door detects the locking or unlocking state of the emergency door through the door lock trigger device, avoids the situation that the lock rod structure of the normally closed emergency door keeps abutting the contact of the sensor for a long time, causes the contact pollution, and influences the accuracy of the sensor signal, thereby guaranteeing that the rail transit platform does not stop running due to the false triggering of the switch signal. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0027] Figure 1 It is the whole structure schematic diagram of the door lock state trigger device of the utility model embodiment;

[0028] Figure 2 It is the explosion structure schematic diagram of the door lock state trigger device of the utility model embodiment;

[0029] Figure 3 It is the structure schematic diagram of the linkage rod in the first position state in the door lock state trigger device of the utility model embodiment;

[0030] Figure 4 It is the structure schematic diagram of the linkage rod in the second position state in the door lock state trigger device of the utility model embodiment.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 100, base frame; 101, mounting plate; 1011, support leg; 1012, mounting lug; 102, limit plate; 1021, mounting portion; 1022, guide portion; 103, vertical plate; 104, connecting lug; 105, linkage hole; 200, linkage assembly; 201, linkage rod; 2011, threaded segment; 2012, mounting nut; 202, trigger plate; 300, sensing assembly; 301, sensor; 302, contact; 400, return spring; 500, limit spacer. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] The embodiments of the utility model will be described in combination with Figures 1 to 4 .

[0035] According to the embodiments of the utility model, on the one hand, a door lock state triggering device is provided, please refer to Figures 1 to 4 , comprising: base frame 100;Linkage assembly 200, comprising linkage rod 201 and trigger plate 202, trigger plate 202 is arranged on linkage rod 201, linkage rod 201 is slidably connected with base frame 100 and has first position and second position, linkage rod 201 is linked with the lock rod of emergency door, in the case of emergency door locking, linkage rod 201 is located at the first position, in the case of emergency door unlocking, linkage rod 201 is located at the second position;Sensing assembly 300, comprising sensor 301 and contact 302, sensor 301 is arranged on base frame 100 and located on the side of linkage rod 201, contact 302 is arranged on sensor 301 and is arranged towards linkage rod 201, in the first position, trigger plate 202 is separated from contact 302, in the second position, trigger plate 202 triggers contact 302.

[0036] In the embodiment, base frame 100 provides installation basis for other components, linkage rod 201 with first position and second position is linked with the lock rod of emergency door, since the end of linkage rod 201 is provided with trigger plate 202, along with the movement of linkage rod 201 from first position to second position, i.e. when the door lock of emergency door changes from locking state to unlocking state, trigger plate 202 moves along with linkage rod 201 and extrudes the contact 302 of sensor 301, so that sensor 301 triggers and sends signals, so that the staff can monitor the locking state of emergency door, at the same time, the possibility that contact 302 is polluted and the accuracy of signal triggering is affected due to long-term contact between contact 302 and lock rod is avoided, thereby avoiding affecting the normal operation of rail transit platform.

[0037] In the above embodiment, the specific form of trigger plate 202 and sensing assembly 300 is not limited, trigger plate 202 can trigger contact 302 along with the switching of linkage rod 201 between first position and second position.

[0038] It should be noted that in the above embodiment, the contact 302 is installed on the sensor 301, the contact 302 is a travel switch type contact 302, and has a trigger position for triggering the sensor 301 to send a signal and a disconnection position for stopping the sensor 301 from sending a signal, the trigger position corresponds to the position of the trigger plate 202 when the linkage rod 201 is in the second position, and the disconnection position is the position of the contact 302 after the trigger plate 202 is separated from the contact 302, and the contact 302 naturally rebounds to the limit state.

[0039] In one embodiment, referring to Figure 2 The base frame 100 includes the mounting plate 101 and the limiting plate 102 arranged opposite to each other, the mounting plate 101 and the limiting plate 102 are provided with the linkage holes 105 arranged opposite to each other, and the linkage rod 201 passes through the two linkage holes 105 to be connected with the base frame 100 in a sliding manner.

[0040] In the embodiment, the mounting plate 101 and the limiting plate 102 are arranged opposite to each other on the base frame 100, and the linkage holes 105 are arranged on the mounting plate 101 and the limiting plate 102, and the two linkage holes 105 limit the linkage rod 201 together, so that the stable sliding fit between the linkage rod 201 and the rack is realized.

[0041] In one embodiment, the base frame 100 further includes the vertical plate 103, the mounting plate 101 is fixedly connected with the vertical plate 103, the limiting plate 102 is fixedly installed with the vertical plate 103, and the vertical plate 103 is provided with the connecting lug 104 on one side of the limiting plate 102, and the sensor 301 is installed on the connecting lug 104.

[0042] In the embodiment, since the limiting plate 102 is fixedly installed with the vertical plate 103, when the trigger device is assembled, the linkage rod is first assembled with the mounting plate 101, then the limiting plate 102 is installed on the vertical plate 103 and the linkage rod passes through the linkage hole 105 on the mounting plate 101, then the sensor 301 is installed on the connecting lug 104, and finally the trigger plate 202 is installed on the linkage rod, and the whole assembly step is carried out step by step from bottom to top, so that the installation is convenient and fast.

[0043] In one embodiment, the limiting plate 102 includes the mounting portion 1021 and the guide portion 1022 arranged perpendicular to each other, the mounting portion 1021 is attached to the vertical plate 103 and is fixedly installed with the vertical plate 103 through the connecting piece, and the linkage hole 105 is arranged on the guide portion 1022.

[0044] In the embodiment, the mounting portion 1021 and the guide portion 1022 are arranged perpendicular to each other, so that the mounting portion 1021 coincides with the vertical plate 103, and the limiting plate 102 and the vertical plate 103 are quickly installed through the fastener.

[0045] In one embodiment, a reset spring 400 is sleeved on the linkage rod 201, a limiting ring is fixed on the peripheral sidewall of the linkage rod 201, and the two ends of the reset spring 400 are respectively in abutment with the limiting ring and the limiting plate 102.

[0046] In the embodiment, the limiting ring is arranged on the limiting plate 102 to limit the reset spring 400 together, when the emergency door is switched from the locked state to the unlocked state, the lock rod of the emergency door is retracted, at this time, the lower side of the linkage rod 201 loses the support of the lock rod, the reset spring 400 pushes the limiting ring to make the linkage rod 201 move from the first position to the second position, so as to trigger the contact 302.

[0047] In one embodiment, a limiting gasket 500 is arranged at the linkage hole 105 of the mounting plate 101, and the linkage rod 201 passes through the limiting gasket 500.

[0048] In the embodiment, the limiting gasket 500 is arranged at the linkage hole 105 of the mounting plate 101, which strengthens the stability of the sliding fit of the linkage rod through the linkage hole 105 and the mounting plate 101.

[0049] In one embodiment, at least one supporting leg 1011 is arranged on the side of the mounting plate 101 away from the limiting plate 102, a mounting lug 1012 is fixed on one side of the supporting leg 1011, and the mounting lug 1012 is parallel to the mounting plate 101.

[0050] In the embodiment, the supporting leg 1011 is arranged, and the mounting lug 1012 is arranged on the supporting leg 1011, so that the trigger device is conveniently mounted and fixed on the corresponding mounting plane of the emergency door, and the practicability of the trigger device is improved.

[0051] In one embodiment, a threaded section 2011 is arranged on the side of the linkage rod 201 away from the limiting plate 102, two mounting nuts 2012 are threadedly connected to the threaded section 2011, a trigger plate 202 is sleeved on the threaded section 2011 and located between the two mounting nuts 2012, and the two mounting nuts 2012 are in abutment with the trigger plate 202.

[0052] In the embodiment, the threaded section 2011 is arranged, and the two mounting nuts 2012 are arranged on the threaded section 2011, the trigger plate 202 is clamped by the two mounting nuts 2012, the position of the trigger plate 202 is limited and mounted, the position of the trigger plate 202 can be quickly and conveniently adjusted through the positions of the two mounting nuts 2012, the trigger plate 202 is conveniently adapted to the corresponding sensing assembly 300, the requirement for the installation precision of the sensor 301 is reduced, and the practicability of the structure is improved.

[0053] In one embodiment, the trigger plate 202 is circular, and the axis of the trigger plate 202 coincides with the threaded section 2011.

[0054] In the embodiment, since the trigger plate 202 is circular, rotation of the trigger plate 202 around the axis during installation or adjustment of the trigger plate 202 by the two mounting nuts 2012 does not affect the distance between the trigger plate 202 and the contact 302 of the sensor 301, so that the function of the structure is more stable and reliable.

[0055] According to the embodiment of the utility model, on the other hand, an emergency door is also provided, which comprises: a door body; a door lock arranged on the door body, the door lock being provided with a lock rod, the lock rod having a locking position and an unlocking position; the door lock state triggering device, the end of the linkage rod 201 away from the trigger plate 202 abutting against the end portion of the lock rod, in the locking position, the linkage rod 201 being located at the first position, in the unlocking position, the linkage rod 201 being located at the second position.

[0056] In the embodiment, the emergency door detects the locking or unlocking state of the emergency door by using the above-mentioned door lock triggering device, so that the situation that the contact 302 is polluted and the accuracy of the signal of the sensor 301 is affected due to the long-term abutment of the lock rod and the like structure of the normally closed emergency door and the contact 302 of the sensor 301 is avoided, so that the track transit platform is prevented from being caused to stop running due to the false triggering of the switching signal.

[0057] Although the embodiments of the utility model are described in combination with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A door lock status triggering device, characterized in that, The utility model relates to an emergency door lock device, including: A base (100); A linkage assembly (200) including a linkage rod (201) and a trigger plate (202), the trigger plate (202) is arranged on the linkage rod (201), the linkage rod (201) is slidably connected with the base (100) and has a first position and a second position, the linkage rod (201) is linked with the lock rod of emergency door, in the case where the emergency door is locked, the linkage rod (201) is located at the first position, in the case where the emergency door is unlocked, the linkage rod (201) is located at the second position; A sensing assembly (300) including a sensor (301) and a contact (302), the sensor (301) is arranged on the base (100) and located at one side of the linkage rod (201), the contact (302) is arranged on the sensor (301) and is arranged towards the linkage rod (201), in the first position, the trigger plate (202) is separated from the contact (302), in the second position, the trigger plate (202) triggers the contact (302).

2. The door lock status triggering apparatus according to claim 1, characterized in that, The base (100) includes oppositely arranged mounting plate (101) and limiting plate (102), the mounting plate (101) and the limiting plate (102) are provided with oppositely arranged linkage holes (105), the linkage rod (201) passes through two linkage holes (105) respectively to be slidably connected with the base (100).

3. The door lock status triggering apparatus according to claim 2, wherein The base (100) further includes an upright plate (103), the mounting plate (101) is fixedly connected with the upright plate (103), the limiting plate (102) is fixedly installed with the upright plate (103), the upright plate (103) is provided with a connecting lug (104) on one side of the limiting plate (102), and the sensor (301) is installed on the connecting lug (104).

4. The door lock status triggering apparatus according to claim 3, wherein The limiting plate (102) includes mutually perpendicular mounting portion (1021) and guide portion (1022), the mounting portion (1021) is attached with the upright plate (103) and is fixedly installed with the upright plate (103) through a connecting piece, and the linkage hole (105) is arranged on the guide portion (1022).

5. The door lock status triggering apparatus according to claim 2, wherein A reset spring (400) is sleeved on the linkage rod (201), a limiting ring is fixed on the lateral wall of the linkage rod (201), and the two ends of the reset spring (400) abut against the limiting ring and the limiting plate (102) respectively.

6. The door lock status triggering apparatus according to claim 5, wherein A limiting gasket (500) is arranged at the linkage hole (105) of the mounting plate (101), and the linkage rod (201) passes through the limiting gasket (500).

7. The door lock status triggering apparatus according to claim 2, wherein At least one supporting leg (1011) is arranged on the side of the mounting plate (101) away from the limiting plate (102), a mounting lug (1012) is fixed on one side of the supporting leg (1011), and the mounting lug (1012) is parallel to the mounting plate (101).

8. The door lock status triggering apparatus according to any one of claims 2 to 7, characterized in that, The linkage rod (201) is provided with a threaded segment (2011) on the side away from the mounting plate (101), two mounting nuts (2012) are threadedly connected on the threaded segment (2011), the trigger plate (202) is sleeved on the threaded segment (2011) and located between the two mounting nuts (2012), and the two mounting nuts (2012) are respectively in abutment with the trigger plate (202).

9. The door lock status triggering apparatus according to claim 8, wherein The trigger plate (202) is circular, and the threaded segment (2011) coincides with the axis of the trigger plate (202).

10. An emergency door, characterized in that Comprise: a door body; a door lock provided on the door body, the door lock being provided with a lock rod, the lock rod having a locking position and an unlocking position; the door lock state triggering device of any one of claims 1 to 9, one end of the linkage rod (201) away from the trigger plate (202) being in abutment with the end of the lock rod, in the locking position, the linkage rod (201) being located at the first position, and in the unlocking position, the linkage rod (201) being located at the second position.

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