CN210530559U - Connecting rod carousel type shutting and tunnel protection door or hole room door - Google Patents
Connecting rod carousel type shutting and tunnel protection door or hole room door Download PDFInfo
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- CN210530559U CN210530559U CN201920843806.5U CN201920843806U CN210530559U CN 210530559 U CN210530559 U CN 210530559U CN 201920843806 U CN201920843806 U CN 201920843806U CN 210530559 U CN210530559 U CN 210530559U
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Abstract
The utility model relates to a connecting rod carousel type shutting and tunnel guard gate or entrance to a cave door, its main improvement part lies in, the edge of carousel is equipped with the latch, the inside of door leaf is equipped with the spacing piece of carousel, the spacing piece of carousel can with relative displacement takes place for the latch, realizes meshing or breaks away from the latch. Connecting rod carousel type shutting, through the outer fringe of carousel sets up the latch, can mesh in the inside setting of door leaf the spacing piece of shutting safety lock of latch, when connecting rod carousel type shutting is in the locking state, the adjustment the spacing piece of shutting safety lock with the latch meshing is realized the fixed of carousel, and then can not adjust at will and be located the outside hand wheel of door leaf finally realizes that the shutting can not be opened at will, has guaranteed the safety of hole indoor equipment.
Description
Technical Field
The utility model relates to a railway construction technical field, more specifically the utility model relates to a connecting rod carousel type shutting and tunnel door guard gate or tunnel door that says so.
Background
A tunnel is a building passage through which cars or trains pass. The tunnel is usually provided with a chamber for placing equipment, and the tunnel protection door (chamber door) is a door with special purposes of fire prevention, explosion resistance, resistance to positive and negative air pressure caused by periodic piston wind of a train, prevention and control of equipment damage and guarantee of personnel safety. The tunnel protection door (a tunnel door) is applied to railway tunnels, such as transverse channels, tunnels for various devices (ventilation, communication, electric power and the like), emergency rescue warfare, emergency exits, shelters, vertical shaft access tunnels, inclined shaft access tunnels, repeaters, transformer substations and other tunnels.
Chinese patent CN106193901 proposes a single protective door (door of a cavern) suitable for a tunnel cavern, wherein an X-type connecting rod turntable lock is arranged on the door, and the pressure resistance of the cavern door can be enhanced after the lock locks the door of the tunnel cavern. However, due to the lack of a fixing device, the lock can be opened at will after being locked, and idle personnel can enter and exit the tunnel cavern at will, so that certain potential safety hazards exist. And if tunnel cave room door or open at will, still can influence driving safety because the change of wind pressure. In view of the above, the present application provides a link turntable latch that may not be opened after latching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connecting rod carousel type shutting that can not be opened at will after the locking, the utility model discloses the shutting includes two hand wheels, carousel, rotation axis, connecting rod and latch, the rotation axis passes the door leaf, two hand wheels are fixed in respectively the both ends of rotation axis, are located the inside and outside both sides of door leaf, the rotation axis drives the carousel that is located the door leaf cavity and rotates, one end of connecting rod articulates in the edge of carousel, the other end is connected the latch; the main improvement point is that the edge of the rotary disc is provided with a latch, the inside of the door leaf is provided with a rotary disc limiting piece, and the rotary disc limiting piece can generate relative displacement with the latch to realize engagement or disengagement with the latch.
Connecting rod carousel type shutting, drive the rotation axis through rotating the hand wheel and rotate, and then the rotation axis drives the carousel and rotates, the displacement takes place for the connecting rod under the rotation of carousel, the displacement takes place for the latch under the drive of connecting rod, insert the spacing groove that is located the door frame through being located door leaf confined hole all around, realize the locking of door. Through the outer fringe of carousel sets up the latch, sets up the spacing piece of carousel in the inside of door leaf, when the door leaf was in the locking state, the position of adjusting the spacing piece of carousel made its block latch, this has just realized the fixed of carousel position, and then the rotation axis can not rotate at will to realize that guard gate or cavern door can not be opened at will, guaranteed the complete of equipment, also can guarantee the interior safe traffic of tunnel.
Preferably, the rotating shaft penetrates through the turntable to drive the turntable to rotate.
Preferably, the latch is a triangular sawtooth recessed into the outer edge of the turntable.
Preferably, the saw teeth are plural. Since the rotation angles of the turntables are not necessarily exactly the same after locking of the link-turntable type lock, as for a turntable which can be rotated by 60 °, it is possible to already achieve locking of the lock after a 45 ° rotation of the turntable. Therefore, if only one latch is arranged, the turntable limiting piece can be successfully engaged into the latch only by multiple attempts after rotation, and if the number of the latch is multiple, the engagement success rate of the turntable limiting piece can be increased.
Preferably, a central angle corresponding to a distribution area of the edge of the turntable where the plurality of sawteeth are located is a maximum angle of rotation of the turntable. Through the arrangement, the turntable limiting piece can be meshed with the latch no matter the rotating angle of the turntable is, and the engagement with the latch is easier to realize.
Preferably, the shape of the turntable limiting sheet is completely the same as that of the sawtooth concave part. The shapes of the turntable limiting sheet and the sawtooth concave part are completely the same, so that the turntable limiting sheet can be completely meshed with the sawteeth, and the fixing strength of the turntable is enhanced.
Preferably, the turntable limiting sheet is a lock tongue of the safety lock, and the turntable limiting sheet is relatively displaced under the control of the safety lock and a key of the safety lock.
Preferably, the safety lock is a spring lock.
Preferably, the number of the connecting rods is 4, the connecting rods are uniformly distributed around the rotating disc, and/or the locking part is a binding head hinged with the connecting rods.
As a preferred scheme, the locking device of the present invention comprises two hand wheels, a rotating disc, a rotating shaft, 4 connecting rods and a locking member, wherein the rotating shaft passes through a door leaf, the two hand wheels are respectively fixed at two ends of the rotating shaft and located at the inner side and the outer side of the door leaf, the rotating shaft passes through the rotating disc to drive the rotating disc to rotate, one end of the connecting rod is hinged to the edge of the rotating disc, the other end of the connecting rod is connected with the locking member, and the locking member is a binding head hinged to the connecting rod; the edge of carousel is equipped with a plurality of recesses the triangle-shaped sawtooth of carousel outer fringe, and the central angle that the distribution region at the carousel edge that a plurality of sawteeth were located corresponds is the rotatory maximum angle of carousel, the inside of door leaf is equipped with the tip shape with the spacing piece of carousel that the depressed part of sawtooth completely coincided, the spacing piece of carousel is the spring bolt of safety lock, the spacing piece of carousel is in the safety lock with relative displacement takes place under the key control's of safety lock effect, realizes meshing or breaks away from the latch.
Another object of the utility model is to protect the tunnel cave door or the guard gate that installs the connecting rod carousel type shutting.
Connecting rod carousel type shutting have following beneficial effect:
1) connecting rod carousel type shutting, through the outer fringe of carousel sets up the latch, can mesh in the inside setting of door leaf the spacing piece of carousel of latch, when connecting rod carousel type shutting is in the locking state, the adjustment spacing piece of carousel lock with the latch meshing is realized the fixed of carousel, and then can not adjust at will and be located the outside hand wheel of door leaf finally realizes opening at will of shutting, has guaranteed the safety in utilization of guard gate.
2) Connecting rod carousel type shutting through the distribution condition of further optimizing the latch, can realize conveniently meshing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a connecting rod turntable type lock provided by the present invention;
fig. 2 is an enlarged view of a portion a of the latch of fig. 1.
In the figure, 1 is a rotary table, 2 is a connecting rod, 3 is a locking piece, 4 is a rotating shaft, 5 is a hand wheel, 6 is a latch,
and 7 is a turntable limiting sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment relates to a connecting rod rotating disc type lock, the schematic diagram of which is shown in fig. 1, the lock comprises two hand wheels 5, a rotating disc 1, a rotating shaft 4, a connecting rod 2 and a lock piece 3, the rotating shaft 4 penetrates through a door leaf, the two hand wheels 5 are respectively fixed at two ends of the rotating shaft 4 and are positioned at the inner side and the outer side of the door leaf, the rotating shaft 4 drives the rotating disc 1 positioned in a cavity of the door leaf to rotate, one end of the connecting rod 2 is hinged to the edge of the rotating disc 1, and the other end of the connecting rod 2; the edge of carousel is equipped with latch 6, the inside of door leaf is equipped with carousel spacing piece 7, the carousel spacing piece can take place relative displacement with the latch, realizes meshing or breaks away from the latch.
Example 2
The embodiment relates to a connecting rod turntable type lock, a schematic diagram of which is shown in fig. 1, and the connecting rod turntable type lock comprises two hand wheels 5, a turntable, a rotating shaft 4, 4 connecting rods 2 and a lock piece 3, wherein the rotating shaft penetrates through a door leaf, the two hand wheels 5 are respectively fixed at two ends of the rotating shaft 4 and are positioned at the inner side and the outer side of the door leaf, the rotating shaft penetrates through the turntable to drive the turntable 1 to rotate, one end of each connecting rod 2 is hinged to the edge of the turntable 1, the other end of each connecting rod 2 is connected with the lock piece 3, and the lock; the edge of carousel is equipped with a plurality of recesses the triangle-shaped sawtooth of carousel outer fringe, and the central angle that the distribution region at the carousel edge that a plurality of sawteeth were located corresponds is 90, the inside of door leaf is equipped with the tip shape with the sunken part of sawtooth matches carousel spacing piece 7 completely, carousel spacing piece 7 is the spring bolt of safety lock, the relative position takes place for the spacing piece of carousel under the safety lock with the key control's of safety lock effect, realizes meshing or breaks away from the latch, and the specific structure picture of spacing piece is as shown in figure 2.
Example 3
The embodiment relates to a connecting rod turntable type lock, compared with the embodiment 1, the difference is that the turntable limiting piece is a spring bolt of a spring lock, the controller is the spring lock and a key of the spring lock, and the spring bolt is meshed with or separated from the latch under the control of the key.
Example 4
This embodiment relates to a tunnel guard door or a chamber door having mounted thereon the link-and-turn type latch of any of embodiments 1-3.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A link-turn type latch for a tunnel protection door or a cavern door, comprising: the door comprises two hand wheels (5), a rotary table (1), a rotary shaft (4), a connecting rod (2) and a locking piece (3), wherein the rotary shaft (4) penetrates through a door leaf, the two hand wheels (5) are respectively fixed at two ends of the rotary shaft (4) and are positioned at the inner side and the outer side of the door leaf, the rotary shaft (4) drives the rotary table (1) positioned in a cavity of the door leaf to rotate, one end of the connecting rod (2) is hinged to the edge of the rotary table (1), and the other end of the connecting rod is connected with the locking piece (3; the door is characterized in that the edge of the rotary disc (1) is provided with a latch (6), the inside of the door leaf is provided with a rotary disc limiting piece (7), and the rotary disc limiting piece (7) can be in relative displacement with the latch (6) to realize engagement or disengagement with the latch.
2. A link-carousel lock according to claim 1, wherein the rotation shaft (4) passes through the carousel (1) and drives the carousel (1) in rotation.
3. A link-carousel type lock according to claim 2, wherein the latch (6) is a triangular serration recessed into the outer edge of the carousel (1).
4. A link carousel latch according to claim 3, wherein the serrations are plural.
5. A link-carousel lock according to claim 4, wherein the central angle of the distribution of the edges of the carousel (1) in which the plurality of teeth are located corresponds to the maximum angle of rotation of the carousel (1).
6. A link-carousel lock according to claim 5, wherein the end of the carousel limiter (7) is shaped to fit completely into the recess of the saw tooth.
7. A connecting rod carousel type lock according to claim 1 or 6, characterized in that the carousel limiter (7) is the bolt of a safety lock, the carousel limiter (7) being relatively displaced under the action of the safety lock and the key control of the safety lock.
8. A link-turret type lock according to claim 7, characterized in that the safety lock is a spring lock.
9. A link-carousel lock according to claim 7, wherein the number of links (2) is 4, evenly distributed around the carousel (1), and/or wherein the locking member (3) is a head hinged to the link (2).
10. A tunnel cave door or guard door, characterized in that the tunnel cave door or guard door is provided with a connecting rod turntable type lock according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843806.5U CN210530559U (en) | 2019-06-05 | 2019-06-05 | Connecting rod carousel type shutting and tunnel protection door or hole room door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843806.5U CN210530559U (en) | 2019-06-05 | 2019-06-05 | Connecting rod carousel type shutting and tunnel protection door or hole room door |
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| Publication Number | Publication Date |
|---|---|
| CN210530559U true CN210530559U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920843806.5U Active CN210530559U (en) | 2019-06-05 | 2019-06-05 | Connecting rod carousel type shutting and tunnel protection door or hole room door |
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| CN (1) | CN210530559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734239A (en) * | 2020-06-04 | 2020-10-02 | 北京爱思达航天科技有限公司 | Quick connecting mechanism and quick connecting system |
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2019
- 2019-06-05 CN CN201920843806.5U patent/CN210530559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734239A (en) * | 2020-06-04 | 2020-10-02 | 北京爱思达航天科技有限公司 | Quick connecting mechanism and quick connecting system |
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