CN211549182U - Power failure lock device for subway grounding wire box - Google Patents
Power failure lock device for subway grounding wire box Download PDFInfo
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- CN211549182U CN211549182U CN201922074196.XU CN201922074196U CN211549182U CN 211549182 U CN211549182 U CN 211549182U CN 201922074196 U CN201922074196 U CN 201922074196U CN 211549182 U CN211549182 U CN 211549182U
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- rotating rod
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- lock device
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Abstract
The utility model relates to a power down lock device for a subway grounding wire box, which comprises an electromagnet, a bolt rod, a first rotating rod, a second rotating rod and a spring, wherein one end of the bolt rod is provided with a soft magnet which is adsorbed by the electromagnet, the other end is provided with a second bolt used for locking a door body, one end of the first rotating rod and one end of the second rotating rod are arranged on a door plate through a rotating shaft, the other end is rotationally connected with the moving rod, and the first rotating rod is arranged close to the electromagnet compared with the second rotating rod, one end of the spring is fixed on the door panel, the other end of the spring is connected with the first rotating rod, the two ends of the spring are provided with fixing hooks, the first rotating rod is provided with an installation column matched with the hooks, one end of the installation column is fixedly connected with the first rotating rod, the other end of the installation column is provided with a limiting cap used for limiting the hooks to slide off along the axial direction of the installation column, and one end of the spring connected with the first rotating rod is provided with a hook connected with the installation column. Compared with the prior art, the utility model has the advantages of the reliability is high.
Description
Technical Field
The utility model relates to a tool to lock especially relates to a fall locking device for subway earth connection case.
Background
The power-fail protection lockset can still keep a locking state when power is lost, and has high safety, so the power-fail protection lockset is widely applied to various industries.
For example, chinese patent CN208416171U discloses a power-down protection lock device, which includes: the lock body is connected with a power supply and used for opening and closing the door body according to a control signal; further comprising: the power-off protection mechanism is respectively connected with the power supply and the door body and used for locking the door body when the power is off; and the unlocking mechanism is connected with the power-off protection mechanism and used for driving the power-off protection mechanism to release the locking of the door body. Compared with the prior art, the utility model discloses a configuration power-off protection mechanism can be at the automatic locking door body when the outage to overcome the technique that power failure electromagnetism tool to lock is in out of control state not enough, guaranteed that electromagnetism tool to lock plays a role when the outage, realize that electromagnetism tool to lock is steerable often, can realize the manual locking of removing power-off protection mechanism through configuration unlocking mechanism in addition, avoid automatic locking back door can't open.
The power-fail protection lock device disclosed in chinese patent CN208416171U is mainly used for some safety doors, and has achieved good effect. However, in the practical application process, some problems are found, such as the problem that the power-down and the rebound cannot occur frequently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fall electric locking device for subway earth connection case in order to overcome the defect that above-mentioned prior art exists, lead to increasing the erection column and improved the reliability.
The purpose of the utility model can be realized through the following technical scheme:
a power failure lock device for a subway ground wire box comprises an electromagnet, a bolt rod, a first rotating rod, a second rotating rod and a spring, one end of the bolt rod is provided with a soft magnet which is adsorbed by the electromagnet, the other end is provided with a second bolt part which is used for locking the door body, one end of the first rotating rod and one end of the second rotating rod are arranged on the door panel through the rotating shaft, the other end of the first rotating rod and the second rotating rod are rotationally connected with the moving rod, and the first rotating rod is arranged close to the electromagnet compared with the second rotating rod, one end of the spring is fixed on the door plate, the other end of the spring is connected with the first rotating rod, the two ends of the spring are provided with hooks for fixing, the first rotating rod is provided with an installation column matched with the hooks, one end of the mounting column is fixedly connected with the first rotating rod, the other end of the mounting column is provided with a limiting cap used for limiting the hook to slip along the axial direction of the mounting column, and the spring is connected with the first rotating rod and is connected with the clamping hook at one end.
The device also comprises a triangular lock which is used for unlocking after the lock bolt rod locks the door body.
The triangular lock is provided with a cam for pushing the first rotating rod to the electromagnet.
On the first pivot pole, the distance of erection column and pivot is 1/5 ~ 1/2 of the installation distance of lock tongue pole and first pivot pole, wherein, the installation distance of lock tongue pole and first pivot pole is the distance of the tie point to the pivot of lock tongue pole and first pivot pole.
The distance between the mounting column and the rotating shaft is 2/5-2/3 of the mounting distance between the lock tongue rod and the first rotating rod.
The distance between the mounting column and the rotating shaft is 2/3 of the mounting distance between the lock tongue rod and the first rotating rod.
The triangular lock is also provided with a balancing weight.
The included angle between the balancing weight and the cam is 150-170 degrees.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) through the design that increases the erection column, improved the firm degree of being connected of spring and first pivoted lever to the malfunctioning problem that leads to because the spring drops has been reduced.
2) The distance between the mounting column and the rotating shaft is 2/3 of the mounting distance between the lock tongue rod and the first rotating rod, and through experiments, the service life of the connecting structure of the spring and the mounting column is longest in the mode.
3) Still set up the balancing weight through the cam lock, can need not to add another group's electro-magnet to when reducing the electric energy consumption, reduce the cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged detail view of the first rotating lever;
FIG. 3 is a schematic view of a mounting post;
FIG. 4 is a schematic view of a locked state;
wherein: 1. the device comprises an electromagnet, 2, a spring, 3, a triangular lock, 4, a bolt rod, 5, a first rotating rod, 6, a second rotating rod, 51, a rotating shaft, 52, an installation column, 61, a cam, 62 and a balancing weight.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A power-down lock device for a subway grounding wire box is disclosed, as shown in figure 1, and comprises an electromagnet 1, a bolt rod 4, a first rotating rod 5, a second rotating rod 6 and a spring 2, wherein one end of the bolt rod 4 is provided with a soft magnet body adsorbed by the electromagnet 1, the other end is provided with a second bolt portion for locking a door body, one end of the first rotating rod 5 and one end of the second rotating rod 6 are arranged on a door panel through a rotating shaft 51, the other end is rotatably connected with the rotating rods, the first rotating rod 5 is arranged close to the electromagnet 1 compared with the second rotating rod 6, one end of the spring 2 is fixed on the door panel, the other end is connected with the first rotating rod 5, two ends of the spring 2 are provided with a fixing hook, as shown in figure 2, the first rotating rod 5 is provided with an installation column 52 matched with the hook, one end of the installation column 52 is fixedly connected with the first rotating rod 5, as shown in figure 3, the other end is, the hook on the end of the spring 2 connected to the first rotating rod 5 is connected to the mounting post 52.
By adding the design of the mounting column 52, the connection stability of the spring 2 and the first rotating rod 5 is improved, so that the failure problem caused by the falling-off of the spring 2 is reduced.
The device also comprises a triangular lock 3 which is used for unlocking after the lock bolt rod 4 locks the door body.
The cam 61 for pushing the first rotation lever 5 toward the electromagnet 1 is provided on the triangular lock 3.
On the first rotating rod 5, the distance between the mounting column 52 and the rotating shaft 51 is 1/5-1/2 of the mounting distance between the bolt rod 4 and the first rotating rod 5, wherein the mounting distance between the bolt rod 4 and the first rotating rod 5 is the distance between the connecting point of the bolt rod 4 and the first rotating rod 5 and the rotating shaft 51. Preferably, the distance between the mounting post 52 and the rotating shaft 51 is 2/5-2/3 of the mounting distance between the latch bolt rod 4 and the first rotating rod 5, and more preferably, the distance between the mounting post 52 and the rotating shaft 51 is 2/3 of the mounting distance between the latch bolt rod 4 and the first rotating rod 5. The distance between the mounting post 52 and the rotating shaft 51 is 2/3 which is the mounting distance between the latch bolt rod 4 and the first rotating rod 5, and experiments prove that the service life of the connecting structure of the spring 2 and the mounting post 52 is longest.
Still be equipped with balancing weight 62 on the triangular lock 3, the contained angle of balancing weight 62 and cam 61 is 150 degrees ~ 170 degrees, still sets up balancing weight 62 on through the triangular lock 3, can need not to add another set of electro-magnet to when reducing the electric energy consumption, reduce cost.
When electricity exists, the electromagnet 1 generates a magnetic field to adsorb the bolt rod 4, the power-down lockset is in an unlocked state, the spring 2 at the moment is in a stretching state because of magnetic force, when the electricity is lost, the bolt rod 4 is far away from the electromagnet 1 because of the force of the spring 2 to realize locking, and in addition, due to the action of the balancing weight 62, the cam 61 does not play a limiting role on the first rotating rod 5 in a natural state.
Claims (8)
1. A power down lock device for a subway grounding wire box comprises an electromagnet, a bolt rod, a first rotating rod, a second rotating rod and a spring, wherein one end of the bolt rod is provided with a soft magnet used for being adsorbed by the electromagnet, the other end of the bolt rod is provided with a second bolt used for locking a door body, one ends of the first rotating rod and the second rotating rod are installed on a door plate through a rotating shaft, the other end of the first rotating rod and the second rotating rod are rotatably connected, the first rotating rod is arranged close to the electromagnet compared with the second rotating rod, one end of the spring is fixed on the door plate, the other end of the spring is connected with the first rotating rod, the power down lock device is characterized in that two ends of the spring are provided with a fixing hook, the first rotating rod is provided with a mounting column matched with the fixing hook, one end of the mounting column is fixedly connected with the first rotating rod, and the other end, the clamping hook on one end of the spring connected with the first rotating rod is connected with the mounting column.
2. The power down lock device for the underground grounding wire box as claimed in claim 1, further comprising a triangular lock for unlocking after the locking bolt rod locks the door body.
3. The power down lock device for the underground grounding wire box according to claim 2, wherein the triangular lock is provided with a cam for pushing the first rotating rod to the electromagnet.
4. The power down lock device for the underground grounding wire box as claimed in claim 1, wherein the distance between the mounting post and the rotating shaft on the first rotating rod is 1/5-1/2 of the mounting distance between the latch rod and the first rotating rod, wherein the mounting distance between the latch rod and the first rotating rod is the distance between the connecting point of the latch rod and the first rotating rod and the rotating shaft.
5. The power down lock device for the underground grounding wire box as claimed in claim 4, wherein the distance between the mounting post and the rotating shaft is 2/5-2/3 of the mounting distance between the latch bar and the first rotating bar.
6. The power down lock device for the underground grounding wire box as claimed in claim 5, wherein the distance between the mounting post and the rotation shaft is 2/3 of the mounting distance between the latch bar and the first rotation bar.
7. The power down lock device for the underground grounding wire box as claimed in claim 2, wherein a weight block is further provided on the triangular lock.
8. The power down lock device for the underground grounding wire box as claimed in claim 7, wherein the included angle between the weight block and the cam is 150-170 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074196.XU CN211549182U (en) | 2019-11-27 | 2019-11-27 | Power failure lock device for subway grounding wire box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074196.XU CN211549182U (en) | 2019-11-27 | 2019-11-27 | Power failure lock device for subway grounding wire box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549182U true CN211549182U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074196.XU Active CN211549182U (en) | 2019-11-27 | 2019-11-27 | Power failure lock device for subway grounding wire box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549182U (en) |
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2019
- 2019-11-27 CN CN201922074196.XU patent/CN211549182U/en active Active
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