Safety door for water pump house stair protection
By designing an automatic switched pump room stair safety door, the limit panel, movable door and motor-driven rotating shaft and plates are used to solve the problem of lack of protection and inconvenient operation of the existing pump room stairs, and the effect of automatic protection and land-saving is achieved.
Patent Information
- Application Number
- CN202420947365.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing pump room stairs lack guardrails and door protection, which increases the risk to the operator. At the same time, the existing fan-shaped doors occupy a large area, are inconvenient to operate and cannot be automatically switched.
A safety door for stair protection in the pump room was designed. By setting up limit plates, movable doors, rotating shafts, rotating plates and circular blocks, the rotating shafts are driven by the motor to drive the rotating plates to rotate, and the circular blocks are squeezed to automatically open and close the movable doors, reducing the floor area and providing automatic switching function.
Automatic protection of stairs is achieved, which reduces the risk of operators, reduces the footprint, and provides the convenience of automatic opening and closing.
Smart Images

Figure CN222772123U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of safety doors, in particular to a safety door for protecting stairs in a water pump room. Background Art
[0002] The pump room, also known as the centralized pump room, consists of the main chamber pump room, pipe ducts, passages, etc. It is the pump room where the circulating water pumps of the entire plant or several units are centrally arranged.
[0003] At present, when operators use the water pump room, since the water pump room is usually lower than the normal ground and is generally built underground, stairs are used to facilitate operators to repair the water pump room. However, there are currently no guardrails and doors at the entrance of the stairs for protection, and the steep stairs will increase the danger for operators when passing through the stairs. At the same time, the existing switch doors are usually fan-shaped, which increases the floor space. It is also very troublesome for operators to go up and down the stairs with tools in their hands, and it cannot achieve the effect of automatic opening and closing. Therefore, it needs to be improved. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems. The utility model provides a safety door for protecting stairs in a pump room, which has the advantage of automatic door opening and closing.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety door for protecting the stairs in a pump room, wherein the upper and lower sides of the inner part of the outer wall are movably connected with limit plates, a movable door is fixedly installed on the inner side of the limit plate, a cavity is opened on the right side of the bottom of the inner cavity of the outer wall, a fixed plate is fixedly installed on the bottom of the inner cavity of the cavity, a motor is fixedly installed on the front side of the fixed plate, a rotating shaft is fixedly sleeved on the other end of the motor output shaft, the other end of the rotating shaft extends to the back side of the fixed plate, a rotating plate is fixedly sleeved on the outer surface of the rotating shaft, a round block is movably connected inside the rotating plate, the back side of the round block is fixedly connected to the front side of the movable door, and a clamping plate is fixedly installed on the front side of the movable door.
[0006] As a preferred embodiment of the present invention, a rectangular plate is fixedly installed on the right side inside the outer wall, and the front side of the rectangular plate is movably connected to the back side of the movable door.
[0007] As a preferred embodiment of the utility model, an observation hole is opened on the right side of the top of the front side of the movable door, and the front side of the movable door is movably connected to a movable plate located in front of the observation hole.
[0008] As a preferred embodiment of the utility model, a mounting plate located at the upper and lower sides of the movable plate is fixedly mounted on the front side of the movable door, and the inner side of the mounting plate is movably connected to the upper and lower sides of the movable plate.
[0009] As a preferred embodiment of the present invention, the mounting plate is internally movably connected with a limiting block, and the inner side of the limiting block is fixedly connected to the upper and lower sides of the movable plate.
[0010] As a preferred embodiment of the utility model, first springs are fixedly installed on both upper and lower ends of the left side of the movable plate, the other end of the first spring is fixedly connected to the left side inside the outer wall, and a rotating plate is hinged on the front side of the movable plate.
[0011] As a preferred embodiment of the utility model, a fixing frame is fixedly installed on the right side of the front side of the rotating plate, a pulling plate is fixedly installed on the left side of the front side of the fixing frame, a second spring is fixedly installed on the front side of the inner cavity of the fixing frame, and the other end of the second spring is fixedly connected to the front side of the rotating plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model sets a limit plate, a movable door, a rotating shaft, a rotating plate and a round block. The operator first starts the motor. The operation of the motor will cause the rotating shaft to rotate with the rotating plate. At this time, the rotating plate will rotate and squeeze the round block. At this time, the round block will move the movable door smoothly to the right under the cooperation of the limit plate and the outer wall. At this time, the movable door will release the sealing effect on the stairs, and the horizontal door opening will reduce the occupied area. At the same time, the movable door can also be automatically opened and closed.
[0014] 2. The utility model provides an observation hole, a movable plate, a mounting plate, a limit block and a first spring. The operator first pulls the pull plate, and the pull plate causes the fixed frame to move smoothly to the left with the rotating plate and the movable plate under the cooperation of the mounting plate and the limit block. The movable plate applies an extrusion force to the first spring, and the operator rotates the rotating plate. When the left side of the inner cavity of the rotating plate is released from the left side of the card plate, a carding effect is achieved. At this time, the operator can observe the interior of the outer wall through the observation hole when the movable door is closed. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a cross-sectional structural schematic diagram of the movable door of the utility model;
[0017] Figure 3 It is a schematic cross-sectional view of the motor of the utility model;
[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the front side of the utility model;
[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the top of the utility model.
[0020] In the figure: 1, outer wall; 2, limit plate; 3, movable door; 4, cavity; 5, fixed plate; 6, motor; 7, rotating shaft; 8, rotating plate; 9, round block; 10, rectangular plate; 11, observation hole; 12, moving plate; 13, mounting plate; 14, limit block; 15, first spring; 16, rotating plate; 17, fixed frame; 18, pull plate; 19, second spring; 20, clamping plate. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] like Figures 1 to 5 As shown, the utility model provides a safety door for protecting the stairs in a pump room, the interior of the upper and lower sides of the outer wall 1 are movably connected with a limit plate 2, a movable door 3 is fixedly installed on the inner side of the limit plate 2, a cavity 4 is opened on the right side of the bottom of the inner cavity of the outer wall 1, a fixing plate 5 is fixedly installed on the bottom of the inner cavity of the cavity 4, a motor 6 is fixedly installed on the front side of the fixing plate 5, a rotating shaft 7 is fixedly sleeved on the other end of the output shaft of the motor 6, the other end of the rotating shaft 7 extends to the back side of the fixing plate 5, a rotating plate 8 is fixedly sleeved on the outer surface of the rotating shaft 7, a round block 9 is movably connected inside the rotating plate 8, the back side of the round block 9 is fixedly connected to the front side of the movable door 3, and a clamping plate 20 is fixedly installed on the front side of the movable door 3.
[0023] The operator first starts the motor 6. The operation of the motor 6 will cause the rotating shaft 7 to rotate with the rotating plate 8. At this time, the rotating plate 8 will rotate to squeeze the round block 9, and the round block 9 will move the movable door 3 smoothly to the right under the cooperation of the limiting plate 2 and the outer wall 1. At this time, the operator can go down the stairs, and the purpose of automatically opening the movable door 3 is also achieved.
[0024] refer to Figures 1 to 5 A rectangular plate 10 is fixedly installed on the right side inside the outer wall 1, and the front side of the rectangular plate 10 is movably connected to the back side of the movable door 3.
[0025] As a technical optimization solution of the present invention, due to the design of the rectangular plate 10, the rectangular plate 10 will have a good shielding effect.
[0026] refer to Figure 5 An observation hole 11 is provided on the right side of the top of the front side of the movable door 3 , and a movable plate 12 located on the front side of the observation hole 11 is movably connected to the front side of the movable door 3 .
[0027] As a technical optimization solution of the present invention, due to the design of the movable plate 12 , when the movable plate 12 moves to the left, the operator can observe the interior of the exterior wall 1 through the observation hole 11 .
[0028] refer to Figure 4 The front of the movable door 3 is fixedly mounted with mounting plates 13 located at the upper and lower sides of the movable plate 12 , and the inner side of the mounting plate 13 is movably connected to the upper and lower sides of the movable plate 12 .
[0029] As a technical optimization solution of the present invention, due to the design of the mounting plate 13 , the mounting plate 13 will have a good limiting effect on the movable plate 12 .
[0030] refer to Figure 4 The mounting plate 13 is internally movably connected with a limiting block 14 , and the inner side of the limiting block 14 is fixedly connected to the upper and lower sides of the movable plate 12 .
[0031] As a technical optimization solution of the present invention, due to the design of the limit block 14 , the limit block 14 and the mounting plate 13 can play a good role in limiting the movable plate 12 .
[0032] refer to Figure 5 The first springs 15 are fixedly installed at both upper and lower ends of the left side of the movable plate 12 , and the other end of the first spring 15 is fixedly connected to the left side inside the outer wall 1 . The front side of the movable plate 12 is hinged with a rotating plate 16 .
[0033] As a technical optimization solution of the present invention, due to the design of the first spring 15 , the first spring 15 will provide good supporting force for the moving plate 12 .
[0034] refer to Figure 5 A fixing frame 17 is fixedly installed on the right side of the front of the rotating plate 16, a pulling plate 18 is fixedly installed on the left side of the front of the fixing frame 17, a second spring 19 is fixedly installed on the front side of the inner cavity of the fixing frame 17, and the other end of the second spring 19 is fixedly connected to the front of the rotating plate 16.
[0035] As a technical optimization solution of the present invention, the operator pulls the pull plate 18, and the pull plate 18 causes the rotating plate 16 to move to the left with the moving plate 12.
[0036] The working principle and use process of this utility model:
[0037] When the operator needs to open the movable door 3 to go down the stairs, the motor 6 is started first. The operation of the motor 6 will cause the rotating shaft 7 to rotate with the rotating plate 8. At this time, the rotating plate 8 will rotate and squeeze the round block 9, and the round block 9 will move the movable door 3 smoothly to the right under the cooperation of the outer wall 1 and the limiting plate 2. At this time, the movable door 3 will release the sealing effect on the staircase entrance, and the operator will be able to go down the stairs.
[0038] At this time, the operator pulls the pull plate 18, and the pull plate 18 will make the fixed frame 17 move smoothly to the left with the rotating plate 16 and the movable plate 12 under the cooperation of the mounting plate 13 and the limit block 14. At this time, the movable plate 12 will simultaneously apply an extrusion force to the first spring 15. At this time, the operator pulls the rotating plate 16, and the rotating plate 16 will apply an extrusion force to the second spring 19. When the rotating plate 16 moves to the front of the clamping plate 20, the operator releases the rotating plate 16. The second spring 19 will move the left side of the inner cavity of the rotating plate 16 to the left side of the clamping plate 20 due to the elastic recovery effect. At this time, the clamping plate 20 will have a clamping effect on the rotating plate 16. At this time, the operator will be able to observe the interior of the exterior wall 1 through the observation hole 11.
[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A safety door for protecting stairs in a pump room, characterized in that: The interior of the upper and lower sides of the outer wall (1) are movably connected with a limit plate (2), and a movable door (3) is fixedly installed on the inner side of the limit plate (2). A cavity (4) is opened on the right side of the bottom of the inner cavity of the outer wall (1), and a fixed plate (5) is fixedly installed on the bottom of the inner cavity of the cavity (4). A motor (6) is fixedly installed on the front side of the fixed plate (5), and a rotating shaft (7) is fixedly sleeved on the other end of the output shaft of the motor (6), and the other end of the rotating shaft (7) extends to the back side of the fixed plate (5). A rotating plate (8) is fixedly sleeved on the outer surface of the rotating shaft (7), and a round block (9) is movably connected inside the rotating plate (8), and the back side of the round block (9) is fixedly connected to the front side of the movable door (3), and a clamping plate (20) is fixedly installed on the front side of the movable door (3).
2. A safety door for stair protection in a pump room according to claim 1, characterized in that: A rectangular plate (10) is fixedly installed on the right side inside the outer wall (1), and the front side of the rectangular plate (10) is movably connected to the back side of the movable door (3).
3. A safety door for stair protection in a pump room according to claim 1, characterized in that: An observation hole (11) is provided on the right side of the top of the front face of the movable door (3), and the front face of the movable door (3) is movably connected to a movable plate (12) located in front of the observation hole (11).
4. A safety door for stair protection in a pump room according to claim 1, characterized in that: A mounting plate (13) located at the upper and lower sides of the movable plate (12) is fixedly mounted on the front side of the movable door (3), and the inner side of the mounting plate (13) is movably connected to the upper and lower sides of the movable plate (12).
5. A safety door for stair protection in a pump room according to claim 4, characterized in that: The mounting plate (13) is internally movably connected to a limit block (14), and the inner side of the limit block (14) is fixedly connected to the upper and lower sides of the movable plate (12).
6. A safety door for stair protection in a pump room according to claim 3, characterized in that: A first spring (15) is fixedly installed at both upper and lower ends of the left side of the movable plate (12); the other end of the first spring (15) is fixedly connected to the left side inside the outer wall (1); and a rotating plate (16) is hinged on the front side of the movable plate (12).
7. A safety door for stair protection in a pump room according to claim 6, characterized in that: A fixing frame (17) is fixedly installed on the right side of the front face of the rotating plate (16), a pulling plate (18) is fixedly installed on the left side of the front face of the fixing frame (17), a second spring (19) is fixedly installed on the front side of the inner cavity of the fixing frame (17), and the other end of the second spring (19) is fixedly connected to the front face of the rotating plate (16).