CN116553342A - Elevator door structure with overhaul protection - Google Patents
Elevator door structure with overhaul protection Download PDFInfo
- Publication number
- CN116553342A CN116553342A CN202310724759.3A CN202310724759A CN116553342A CN 116553342 A CN116553342 A CN 116553342A CN 202310724759 A CN202310724759 A CN 202310724759A CN 116553342 A CN116553342 A CN 116553342A
- Authority
- CN
- China
- Prior art keywords
- plate
- protection plate
- door
- car door
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004080 punching Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/303—Details of door panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
The elevator door structure with the overhaul protection comprises a left car door with a left car door plate, a right car door with a right car door plate, a left protection plate and a right protection plate; the left protection plate is formed by stamping the left car door plate, the left car door plate is provided with a first opening formed after stamping, the right protection plate is formed by stamping the right car door plate, and the right car door plate is provided with a second opening formed after stamping; the back of the left sedan-chair door plate is provided with a first connecting baffle, the left protecting plate is assembled in the first opening and is detachably connected with the first connecting baffle, the back of the right sedan-chair door plate is provided with a second connecting baffle, and the right protecting plate is assembled in the second opening and is detachably connected with the second connecting baffle; the back of the left protection plate is also provided with an adjusting seat I, and the adjusting seat I is in threaded connection with a locking rod I which can extend leftwards out of the left protection plate; the back of the right protection plate is also provided with a second adjusting seat, and the second adjusting seat is connected with a second locking rod which can extend right from the right protection plate in a threaded manner. The invention has the advantages of less material consumption, lower material cost, lower weight and lower energy consumption of the elevator.
Description
Technical Field
The invention relates to the field of elevator doors, in particular to an elevator door structure with overhaul protection.
Background
Material cost and weight are very important considerations in making elevator door designs.
The design of the elevator door can be added with some functional structures according to the requirement, so that the elevator door has special functions under the condition of meeting the door body function.
For example, chinese patent application number 201811364420.2 discloses an elevator door structure with overhaul protection, including the door body with demountable installation be in on the door body be used for setting up the elevator when elevator overhauls guard plate on the external side wall of door, the door body is equipped with and is used for the holding portion of guard plate, be equipped with on the holding portion and be used for bearing fixedly the guard plate and rotatable swing joint in the upset latch of holding portion bottom, the guard plate bottom is equipped with and is used for the holding the fixed slot of upset latch, the both sides of guard plate all can be overturned be provided with be used for with the guard plate is fixed in the retaining member on the external side wall of door, still including fixing the locked groove on the inboard upper portion of holding portion with be fixed in on the guard plate be used with the locked lever of locked groove cooperation use control guard plate locking or opening.
This kind of lift-cabin door structure, when the elevator overhauls, can dismantle the guard plate from the door body and utilize the retaining member to be fixed in on the door body outside wall body, avoid the passenger to go into the elevator by mistake, prevent to cause unexpected or influence going on of maintenance work, moreover, the guard plate is fixed in the door body outside wall body, can not remove, the guard plate can not be taken by mistake or bump down easily, reduce the security risk to passenger and maintainer, simultaneously, the detachable transport of having not only avoided many floors on the door body of installing of guard plate, storage space has also been saved simultaneously. However, the protection plate carried on the door body belongs to materials other than the door plate, so that on one hand, the elevator door has more consumables, the material cost is increased, and on the other hand, the elevator door has heavy weight and high elevator energy consumption.
Disclosure of Invention
Aiming at the defects of the prior art, the elevator door structure with the overhaul protection is provided by the invention, so that the material consumption is less, the material cost is lower, the weight is lower, and the energy consumption of the elevator is lower.
The elevator door structure with the overhaul protection comprises a left car door with a left car door plate, a right car door with a right car door plate, a left protection plate and a right protection plate;
the left protection plate is formed by stamping a left car door plate, the left car door plate is provided with a first opening formed after stamping, the right protection plate is formed by stamping a right car door plate, and the right car door plate is provided with a second opening formed after stamping;
the back of the left car door plate is provided with a first connecting baffle, the left protection plate is assembled in the first opening and is detachably connected with the first connecting baffle, the back of the right car door plate is provided with a second connecting baffle, and the right protection plate is assembled in the second opening and is detachably connected with the second connecting baffle;
the back of the left protection plate is also provided with an adjusting seat I, and the adjusting seat I is in threaded connection with a locking rod I which can extend leftwards out of the left protection plate and is used for being connected to a side wall body outside the hoistway door;
the back of the right protection plate is also provided with a second adjusting seat, and the second adjusting seat is in threaded connection with a second locking rod which can extend rightwards to the right protection plate and is used for being connected to the wall body on the other side of the outer side of the hall door;
the back of left guard plate and right guard plate is provided with the butt joint structure that can dock mutually.
Preferably, the docking structure comprises a socket part with a socket and a plug part matched with the socket.
Preferably, an adjusting seat III for installing the plug part is arranged on the back surface of the right car door plate.
Preferably, the first connecting baffle comprises a first baffle part connected with the upper part and the lower part of the left protection plate; the upper end of the first blocking part extends upwards to the upper end socket of the left car door, and the lower end of the first blocking part extends downwards to the lower end socket of the left car door, so that the first blocking part is formed into a reinforcing rib for reinforcing the left car door;
the second connecting baffle comprises a second baffle part connected with the upper part and the lower part of the right protection plate; the upper end of the second blocking part extends upwards to the upper sealing head of the right car door, and the lower end of the second blocking part extends downwards to the lower sealing head of the right car door, so that the second blocking part is formed into a reinforcing rib for reinforcing the right car door.
Preferably, the first connecting baffle is provided with a first notch which is recessed in a direction away from the left protection plate, the left protection plate is provided with a first concave part which is matched with the first notch, and a first connecting piece which is used for connecting the left protection plate and the first connecting baffle is arranged in the first concave part;
the second connecting baffle is provided with a second notch which is sunken towards the direction deviating from the right protection plate, the right protection plate is provided with a second notch matched with the notch, and a second connecting piece which is used for connecting the right protection plate with the second connecting baffle is arranged in the second notch.
Preferably, the left protection plate and the right protection plate are connected to the wall body by a method comprising:
step 1: removing the left protection plate from the left car door plate and the right protection plate from the right car door plate;
step 2: rotating the plug part to enable the plug part to laterally extend out of the right protection plate, and inserting the plug part on the right protection plate into the plug part on the left protection plate so as to enable the left protection plate and the right protection plate to be in butt joint;
step 3: under the elevator door open state, the back of the left protection plate and the back of the right protection plate face the hall door, the left protection plate is connected to the wall body on one side of the door frame through a locking rod, the distance between the left protection plate and the hall door is limited within 2 fingers, the right protection plate is connected to the wall body on the other side of the door frame through a locking rod II, and the distance between the right protection plate and the hall door is limited within 2 fingers.
In summary, the invention has the following beneficial effects:
1: the invention has the advantages of less material consumption, lower material cost, lower weight and lower energy consumption of the elevator.
2: the left protection plate and the right protection plate are connected to the wall body by the following method, and the method comprises the following steps: step 1: removing the left protection plate from the left car door plate and the right protection plate from the right car door plate; step 2: rotating the plug part to enable the plug part to laterally extend out of the right protection plate, and inserting the plug part on the right protection plate into the plug part on the left protection plate so as to enable the left protection plate and the right protection plate to be in butt joint; step 3: under the elevator door open state, the back of the left protection plate and the back of the right protection plate face the hall door, the left protection plate is connected to the wall body on one side of the door frame through a locking rod, the distance between the left protection plate and the hall door is limited within 2 fingers, the right protection plate is connected to the wall body on the other side of the door frame through a locking rod II, and the distance between the right protection plate and the hall door is limited within 2 fingers. According to the method, after the left protection plate and the right protection plate are connected to the wall body, the distance between the left protection plate and the right protection plate and the hall door can be ensured to be extremely small, namely, the distance is within 2 fingers, so that people outside the hall door cannot control the first locking rod and the second locking rod at the back surfaces of the left protection plate and the right protection plate, and the left protection plate and the right protection plate cannot be loosened or opened, so that the safety during overhaul is greatly improved.
Drawings
Fig. 1 is a schematic diagram of the structure of an elevator door { seen from outside the car toward inside the car };
FIG. 2 is a block diagram of the docking structure in a top view;
FIG. 3 is a schematic diagram of the connection of the first connecting baffle to the left guard plate;
FIG. 4 is a schematic diagram of the connection of the second connection baffle to the right protection plate;
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings.
Example 1: as shown in fig. 1-2, the elevator door structure with maintenance protection comprises a left car door 1 with a left car door plate 11, a right car door 2 with a right car door plate 21, a left protection plate 31 and a right protection plate 32;
the left protection plate 31 is formed by punching the left car door plate 11, the left car door plate 11 is provided with a first opening 12 formed after punching, the right protection plate 32 is formed by punching the right car door plate 21, and the right car door plate 21 is provided with a second opening 22 formed after punching;
the back of the left car door plate 11 is provided with a first connecting baffle plate 13, the left protection plate 31 is assembled in the first opening 12, is parallel to the surface of the left car door plate 11 facing the car and is detachably connected with the first connecting baffle plate 13, and particularly can be connected through a first connecting piece such as a screw, the back of the right car door plate 21 is provided with a second connecting baffle plate 23, and the right protection plate 32 is assembled in the second opening 22, is parallel to the surface of the right car door plate 21 facing the car and is detachably connected with the second connecting baffle plate 23, and particularly can be connected through a second connecting piece such as a screw;
the back of the left protection plate 31 is also provided with an adjusting seat I14, the adjusting seat I14 is in threaded connection with a locking rod I15 which can extend leftwards out of the left protection plate 31, and the locking rod I15 can fixedly connect the left protection plate 31 to a wall body in a mode of propping up the locking rod I15 on a wall body on the outer side of a hall door or in a mode of being connected to a screw cap embedded in the wall body; the back of the right protection plate 32 is also provided with a second adjusting seat 24, the second adjusting seat 24 is in threaded connection with a second locking rod 25 which can extend rightwards out of the right protection plate 32, and the second locking rod 25 can fixedly connect the right protection plate 32 to a wall body in a mode of propping against the wall body on the other side of the outer side of the hoistway door or in a mode of being connected to a nut embedded in the wall body;
the back of left guard plate 31 and right guard plate 32 is provided with but butt joint structure 33 of butt joint, butt joint structure 33 is including having socket portion 331, be used for with socket matched with plug portion 332, be used for installing the three 333 of regulation seat of plug portion 332, socket portion 331 is connected to the back of left guard plate 31 through connecting portion 334, and the three 333 of regulation seat is connected at the back of right guard plate 32, plug portion 332 with the three 333 spiro union of regulation seat, plug portion 332 accessible pivoted mode makes plug portion 332 lateral extension in right guard plate 32.
When the elevator is overhauled and a protective device is needed to be arranged outside the elevator door of the floor, the left protective plate 31 and the right protective plate 32 are detached from the left car door 1 and the right car door 2 respectively, then the left car door 1 and the right car door 2 are butted by utilizing the butting structure 33, and then the locking rod I24 and the locking rod II 25 are adjusted so that the ends of the locking rod I24 and the locking rod II 25 are connected to the wall bodies on two sides of the door frame respectively. During butt joint, the plug part 332 is rotated so that the plug part 332 laterally extends out of the right protection plate 32, and the plug part 332 on the right protection plate 32 is inserted into the socket part 331 on the left protection plate 31, so that the butt joint of the left protection plate 31 and the right protection plate 32 is completed.
This kind of lift-cabin door structure, first of all, left guard plate 31, right guard plate 32 is through carrying out the punching press to left sedan-chair door plant 11, right sedan-chair door plant 21 and forms, that is to say, the material source of left guard plate 31, right guard plate 32 is left sedan-chair door plant 11, right sedan-chair door plant 21 itself, simultaneously, left guard plate 31, right guard plate 32 is when the elevator normally uses as left sedan-chair door plant 11, right sedan-chair door plant 21's part, consequently, whole lift-cabin door, compared with prior art, can control the material cost better, simultaneously, also controlled the weight of lift-cabin door, the energy consumption of elevator has been controlled. Secondly, the left protection plate 31 and the right protection plate 32 are punched out of the left car door plate 11 and the right car door plate 21 rather than the hall door plate, so that the hall door plate is in a complete and undamaged closing state when the elevator is overhauled and seen from the floor where the hall door is located, and no potential safety hazard exists.
When the first connector is used to connect the left protection plate 31 with the first connector 13, and when the second connector is used to connect the right protection plate 32 with the second connector 23, the influence of the presence of the first connector and the second connector on the door opening is considered. For this purpose, as shown in fig. 3, the first connecting baffle 13 is provided with a recess 13-1 recessed in a direction away from the left guard plate 31, the left guard plate 31 is provided with a recess 31-1 engaged with the recess 13-1, and a first connecting member connecting the left guard plate 31 and the first connecting baffle 13 is provided in the recess 31-1 so as not to interfere with the opening of the elevator door due to being hidden in the recess 31-1.
As shown in fig. 4, the second connection baffle 23 is provided with a second recess 23-1 recessed in a direction away from the right protection plate 32, the right protection plate 32 is provided with a second recess 32-1 matched with the second recess 23-1, and the second recess 32-1 is provided with a second connection member for connecting the right protection plate 32 and the second connection baffle 23, so that the second connection member is hidden in the second recess 32-1 and does not interfere with the opening of the elevator door.
As shown in fig. 1, in this embodiment, the first connecting baffle 13 includes a first blocking portion 131 connected to the upper and lower portions of the left protection plate 31, a first left connecting blocking portion 132 connected to the left portion of the left protection plate 31, and a first right connecting blocking portion 133 connected to the right portion of the left protection plate 31, wherein the upper end of the first blocking portion 131 extends upward to the upper end socket of the left door 1, and the lower end of the first blocking portion 131 extends downward to the lower end socket of the left door 1, so that the first blocking portion 131 is formed as a reinforcing rib for reinforcing the left door 1, that is, the first blocking portion 131 integrates the structural reinforcement and the installation function, thereby simplifying the structure and installation of the elevator door.
Similarly, the second connection baffle 23 includes a second baffle 231 connected to the upper and lower parts of the right protection plate 32, a second left connection baffle 232 connected to the left part of the right protection plate 32, and a second right connection baffle 233 connected to the right part of the right protection plate 32; the upper end of the second blocking part 231 extends upwards to the upper end socket of the right car door 2, and the lower end of the second blocking part 231 extends downwards to the lower end socket of the right car door 2, so that the second blocking part 231 is formed into a reinforcing rib for reinforcing the right car door 2, namely the second blocking part 231 integrates structure reinforcing and mounting functions, and the structure and mounting of the elevator door are simplified.
Example 2: the left guard plate 31 and the right guard plate 32 are attached to the wall body by a method comprising:
step 1: the left protection plate 31 is detached from the left car door plate 11, and the right protection plate 32 is detached from the right car door plate 21;
step 2: rotating the plug part 332 so that the plug part 332 extends out of the right protection plate 32 laterally, and inserting the plug part 332 on the right protection plate 32 into the socket part 331 on the left protection plate 31 to enable the left protection plate 31 and the right protection plate 32 to be in butt joint;
step 3: in the elevator door opening state, the back surface of the left protection plate 31 and the back surface of the right protection plate 32 face the hall door, the left protection plate 31 is connected to the wall body on one side of the door frame through the first locking rod 15, the distance between the left protection plate 31 and the hall door is limited within 2 finger width, the right protection plate 32 is connected to the wall body on the other side of the door frame through the second locking rod 25, the distance between the right protection plate 32 and the hall door is limited within 2 finger width, the 2 finger width is generally 5-12mm, and in order to achieve the limitation within 2 finger width, the distance between a nut embedded in the wall body and the hall door is required to be within 2 finger width.
When the elevator overhauls, the hoistway doors are in a closed state, and after the left protection plate 31 and the right protection plate 32 are connected to the wall body, the distance between the left protection plate 31 and the right protection plate 32 and the hoistway doors can be ensured to be extremely small, namely, the distance is within 2 fingers, so that people outside the hoistway doors cannot control the first locking rod 15 and the second locking rod 25 at the back surfaces of the left protection plate 31 and the right protection plate 32, and the left protection plate 31 and the right protection plate 32 cannot be loosened or opened, so that the safety during overhauling is greatly improved.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Various modifications and improvements of the technical scheme of the present invention will fall within the protection scope of the present invention without departing from the design concept of the present invention, and the technical content of the present invention is fully described in the claims.
Claims (6)
1. The elevator door structure with the overhaul protection function is characterized by comprising a left elevator door (1) with a left elevator door plate (11), a right elevator door (2) with a right elevator door plate (21), a left protection plate (31) and a right protection plate (32);
the left protection plate (31) is formed by stamping the left car door plate (11), the left car door plate (11) is provided with a first opening (12) formed after stamping, the right protection plate (32) is formed by stamping the right car door plate (21), and the right car door plate (21) is provided with a second opening (22) formed after stamping;
the back of the left sedan-chair door plate (11) is provided with a first connecting baffle (13), the left protection plate (31) is assembled in the first opening (12) and is detachably connected with the first connecting baffle (13), the back of the right sedan-chair door plate (21) is provided with a second connecting baffle (23), and the right protection plate (32) is assembled in the second opening (22) and is detachably connected with the second connecting baffle (23);
the back of the left protection plate (31) is also provided with an adjusting seat I (14), and the adjusting seat I (14) is in threaded connection with a locking rod I (15) which can extend leftwards out of the left protection plate (31) and is used for being connected to a side wall body outside a hall door;
the back of the right protection plate (32) is also provided with a second adjusting seat (24), and the second adjusting seat (24) is in threaded connection with a second locking rod (25) which can extend rightwards out of the right protection plate (32) and is used for being connected to the wall body on the other side of the outer side of the hall door;
the back of left guard plate (31) and right guard plate (32) are provided with butt joint structure (33) that can dock mutually.
2. Elevator door structure with service protection according to claim 1, characterized in that the docking structure (33) comprises a socket part (331) with a socket, a plug part (332) for mating with the socket.
3. Elevator door structure with access protection according to claim 2, characterized in that the back of the right car door plate (21) is provided with an adjusting seat three (333) for mounting the plug part (332).
4. The elevator door structure with service protection of claim 1, wherein:
the first connecting baffle (13) comprises a first baffle part (131) connected with the upper part and the lower part of the left protection plate (31); the upper end of the first blocking part (131) extends upwards to the upper end socket of the left car door (1), and the lower end of the first blocking part (131) extends downwards to the lower end socket of the left car door (1), so that the first blocking part (131) is formed into a reinforcing rib for reinforcing the left car door (1);
the second connecting baffle (23) comprises a second baffle part (231) connected with the upper part and the lower part of the right protection plate (32); the upper end of the second blocking part (231) extends upwards to the upper end socket of the right car door (2), and the lower end of the second blocking part (231) extends downwards to the lower end socket of the right car door (2), so that the second blocking part (231) is formed into a reinforcing rib for reinforcing the right car door (2).
5. The elevator door structure with service protection of claim 1, wherein:
the first connecting baffle plate (13) is provided with a first notch (13-1) which is recessed in a direction away from the left protective plate (31), the left protective plate (31) is provided with a first concave part (31-1) matched with the first notch (13-1), and a first connecting piece for connecting the left protective plate (31) and the first connecting baffle plate (13) is arranged in the first concave part (31-1);
the second connecting baffle (23) is provided with a second notch which is sunken towards the direction deviating from the right protection plate (32), the right protection plate (32) is provided with a second notch matched with the notch, and a second connecting piece which is used for connecting the right protection plate (32) and the second connecting baffle (23) is arranged in the second notch.
6. Elevator door structure with service protection according to claim 1, characterized in that the left protection plate (31) and the right protection plate (32) are connected to the wall by a method comprising:
step 1: the left protection plate (31) is detached from the left car door plate (11), and the right protection plate (32) is detached from the right car door plate (21);
step 2: rotating the plug part (332) to enable the plug part (332) to laterally extend out of the right protection plate (32), inserting the plug part (332) on the right protection plate (32) into the socket part (331) on the left protection plate (31), and enabling the left protection plate (31) and the right protection plate (32) to be in butt joint;
step 3: in an elevator door opening state, the back surface of the left protection plate (31) and the back surface of the right protection plate (32) face the hoistway door, the left protection plate (31) is connected to the wall body on one side of the door frame through a locking rod I (15) and the distance between the left protection plate (31) and the hoistway door is limited within 2 fingers, and the right protection plate (32) is connected to the wall body on the other side of the door frame through a locking rod II (25) and the distance between the right protection plate (32) and the hoistway door is limited within 2 fingers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310724759.3A CN116553342A (en) | 2023-06-19 | 2023-06-19 | Elevator door structure with overhaul protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310724759.3A CN116553342A (en) | 2023-06-19 | 2023-06-19 | Elevator door structure with overhaul protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116553342A true CN116553342A (en) | 2023-08-08 |
Family
ID=87486291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310724759.3A Pending CN116553342A (en) | 2023-06-19 | 2023-06-19 | Elevator door structure with overhaul protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116553342A (en) |
-
2023
- 2023-06-19 CN CN202310724759.3A patent/CN116553342A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102910209B (en) | Activity engine closure assembly for vehicle | |
| US5035338A (en) | Slackless railcar connections with extractable wedge | |
| CN116553342A (en) | Elevator door structure with overhaul protection | |
| CN205738920U (en) | Anti-theft manhole cover | |
| US20060261599A1 (en) | Cover lock mechanism | |
| CN201193438Y (en) | Closing system for door and collision element and lock for closing the door | |
| CN213413968U (en) | Overhaul flap structure and car | |
| WO2002081248A2 (en) | Device for sealing a vehicle tank | |
| CN211115275U (en) | Safety mechanism of vehicle lock | |
| CN209290532U (en) | A kind of car and its front wall door component | |
| CN202227837U (en) | Quick-release lock | |
| CN204917504U (en) | Elevator cab security window device | |
| CN220334482U (en) | Safety device for anti-theft door | |
| CN220574386U (en) | Door closing tool in railway open wagon carriage | |
| CN214943286U (en) | Door lock structure of crane cab | |
| CN217899268U (en) | Installation assembly and diesel generating set of removal type | |
| CN214359661U (en) | Elevator car roof mounting structure | |
| CN213199451U (en) | Unlocking handle combination device | |
| CN215168906U (en) | Electric control saddle lock | |
| CN217731347U (en) | Safe type emulsion bin apron | |
| CN219044256U (en) | Concealed trailer device of tractor | |
| KR200450209Y1 (en) | Skirt structure of railway vehicle | |
| CN220285533U (en) | Access door lock of special vehicle | |
| JPH0213211Y2 (en) | ||
| CN204605476U (en) | A kind of engineering vehicle cab top structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |