Protective device for improving safety of elevator shaft
By installing protective components with multiple stress points inside the elevator shaft and a fixed structure at the elevator door opening, the problem of single stress point in existing elevator shaft protection devices is solved, achieving higher impact resistance and stability, and improving the safety of the elevator shaft.
Patent Information
- Application Number
- CN202520331371.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing elevator shaft protection devices have a single stress point, resulting in insufficient protection. They are prone to tilting or falling off during vertical impacts, and their safety needs to be improved.
By installing shaft protection components and opening protection components inside the shaft, and utilizing structures such as fixing clips, fixing plates, telescopic linkages, support rods, and tension rods, multiple stress points are provided to enhance impact resistance. The components are then fixed at the elevator door opening through the cooperation of the clips and tension rods, thereby improving stability.
It effectively improves the protection of elevator shafts, reduces the probability of protective components tilting or falling off, enhances resistance to vertical impacts, and improves the overall safety of elevator shafts.
Smart Images

Figure CN223893858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator shaft protection field, concretely is a kind of protection device for improving the safety of elevator shaft. BACKGROUND
[0002] The existing high-rise building is reserved elevator shaft for installing elevator when construction, and during the early stage of elevator installation, due to the deep shaft, the shaft needs to be blocked and protected to prevent safety accidents.
[0003] The existing elevator shaft protection device generally only supports by the fixed plate fixed on the shaft wall, so that the stress point of the protection device as a whole is relatively single, and once subjected to vertical impact, it is easy to tilt or fall off, resulting in insufficient protection effect on the inside of the shaft, and its safety needs to be further improved. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of protection device for improving the safety of elevator shaft, which can solve the technical problem that the stress point of the existing elevator shaft protection device is relatively single, resulting in insufficient protection effect, provide multiple stress points by the cooperation of shaft inner wall and floor slab, improve the impact resistance of the protection structure inside the shaft, and greatly improve the overall protection effect.
[0005] The utility model realizes the above-mentioned purpose by the following technical scheme:
[0006] A protection device for improving the safety of elevator shaft, comprising a shaft protection assembly arranged in the shaft and a hole protection assembly arranged at the elevator door opening, the bottom of the elevator door opening is provided with a floor slab, the shaft protection assembly comprises a fixed card connected with the floor slab and a fixed plate connected with the inner wall of the shaft, a telescopic connecting rod is symmetrically arranged between the fixed card and the fixed plate, a plurality of supporting rods are arranged between the two telescopic connecting rods, a supporting plate is arranged above the supporting rods, the hole protection assembly comprises a fence and a tensioning rod arranged at the upper and lower ends of the fence, the two ends of the tensioning rod are symmetrically provided with a bayonet, the bayonet is connected with the side wall of the elevator door opening, and the bottom of the tensioning rod is in contact with the fixed card.
[0007] Further, the telescopic connecting rod comprises a telescopic sleeve and a telescopic inner rod, the telescopic sleeve is symmetrically sleeved on the two ends of the telescopic inner rod, and the telescopic sleeve and the telescopic inner rod are connected by bolts.
[0008] Further, the fixed plate is arranged along the vertical direction, and the fixed plate is fixed on the inner wall of the shaft by anchor bolt.
[0009] Furthermore, the tensioning rod includes multiple tensioning sleeves, the buckle is fixed on the tensioning sleeves, and a tensioning inner rod is slidably connected between the multiple tensioning sleeves. The tensioning sleeves and the tensioning inner rods are fixedly connected by bolts.
[0010] Furthermore, the fence is provided with symmetrical plug-in posts at both ends, and the plug-in posts are movably plugged into the support sleeve.
[0011] Furthermore, both the fixing card and the card slot are U-shaped.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. The structure of this utility model, by setting a fixing clip that snaps into the floor slab and a fixing plate that connects to the inner wall of the shaft, creates multiple stress points between the protective component and the elevator shaft. Telescopic connecting rods are symmetrically arranged between the fixing clip and the fixing plate, and multiple support rods are provided between two telescopic connecting rods. A support plate is set above the support rods. With this structure, when the support plate is subjected to vertical impact, the snap-fit between the fixing clip and the floor slab and the connection between the fixing plate and the inner wall of the shaft can provide support for the vertical impact, reducing the probability of the shaft protective component tilting or falling off, greatly improving the impact resistance of the shaft protective component, and improving the protection effect on the elevator shaft.
[0014] 2. A fence is installed at the elevator doorway. Symmetrical support rods are installed at both the top and bottom of the fence, with latches at both ends. These latches engage with the side wall of the elevator doorway, and the bottom support rod contacts the fixing clip. This structure, through the cooperation of the support rods and latches, firmly secures the fence at the elevator doorway, preventing it from falling off and improving the protection of the elevator doorway. Simultaneously, the bottom support rod of the fence, after being engaged, vertically presses and restricts the position of the fixing clip, preventing it from detaching from the floor slab, further improving the stability of the shaft protection components and enhancing the protection effect of the elevator shaft. Attached Figure Description
[0015] Appendix Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Appendix Figure 2 This is a three-dimensional structural diagram of the present invention.
[0017] Appendix Figure 3 This is a structural schematic diagram of the opening protection component of this utility model.
[0018] Appendix Figure 4 This is a structural schematic diagram of the well shaft protection component of this utility model.
[0019] Appendix Figure 5 This is a schematic diagram of the bottom structure of the well protection component of this utility model.
[0020] Reference signs indicated in the drawings:
[0021] 1 floor; 2 fixed card; 3 fixed plate; 4 support rod; 5 support plate; 6 fence; 7 card mouth; 8 telescopic sleeve; 9 telescopic inner rod; 10 tensioning sleeve; 11 tensioning inner rod; 12 plug-in column. DETAILED DESCRIPTION
[0022] The utility model will be further explained in connection with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.
[0023] Reference Figure 1 and Figure 2The utility model relates to a kind of protective devices for improving the safety of elevator shaft, main body structure includes the shaft protection assembly being arranged in shaft and the hole protection assembly being arranged at elevator door hole, shaft protection assembly is arranged in shaft along transverse, for providing the effective protection of vertical impact or falling in shaft, hole protection assembly is used to be arranged at elevator door hole to avoid object or personnel from entering into shaft inside from elevator door hole, the bottom of the elevator door hole is equipped with floor 1, floor 1 is the extension of building floor 1 at elevator door hole, the shaft protection assembly includes the fixed card 2 of being clamped with floor 1 and the fixed plate 3 being connected with shaft inner wall, the width of fixed card 2 is larger, with the width of elevator door hole is adapted, it is clamped in the side surface of floor 1 at elevator door hole to realize the fixed connection with floor 1, when vertical impact is borne, it is not easy to separate from floor 1, fixed plate 3 is fixed on shaft inner wall along vertical, both can be connected and fixed with elevator shaft, provide effective support to vertical impact, the fixed card 2 and fixed plate 3 between symmetrically are equipped with telescopic connecting rod, telescopic connecting rod is symmetrically arranged in two sides, end and fixed card 2 and fixed plate 3 are welded or bolted, the length of telescopic connecting rod can be adaptively adjusted, to adapt the size of elevator shaft, a plurality of support rods 4 are fixed by welding or bolt between two telescopic connecting rods, the upper of support rod 4 is equipped with bearing plate 5, bearing plate 5 and the cross-sectional dimension of shaft are adapted, such structure supports bearing plate 5 using a plurality of support rods 4, so that bearing plate 5 can provide effective support under the action of fixed card 2 and fixed plate 3 as force point when being impacted vertically, so that the whole is not easy to separate from shaft, greatly improve the vertical protection effect, the hole protection assembly includes fence 6 and the bracing rod being arranged at upper and lower ends of fence 6, fence 6 extends along vertical and covers at elevator door hole, bracing rod is located at upper and lower ends of fence 6, the two ends of bracing rod are symmetrically fixed with bayonet 7 by welding or bolt, the bayonet 7 is clamped on the side wall of elevator door hole, such structure makes fence 6 whole and elevator door mouth are fixed in position, when object or personnel tries to enter shaft inside through elevator door hole, effective protection barrier can be formed, the bracing rod of bottom is in contact with fixed card 2, the bracing rod of bottom is along vertical and presses fixed card 2 in position, so that fixed card 2 is more not easy to separate from floor 1, using hole protection assembly extrudes and positions shaft protection assembly, further improve the protection effect inside elevator shaft.
[0024] Preferably, with reference to Figure 4 And Figure 5The telescopic connecting rod comprises a telescopic sleeve 8 and a telescopic inner rod 9, the telescopic sleeve 8 is symmetrically sleeved on both ends of the telescopic inner rod 9, and the telescopic sleeve 8 and the telescopic inner rod 9 are fixedly connected through bolts. The length of the telescopic connecting rod can be adaptively adjusted through sliding according to the size of the shaft, so that the fixed clamps 2 at one end are fixed to the floor 1, and the fixed plates 3 at the other end can be accurately attached to the inner wall of the shaft, improving the adaptability to different sizes of the shaft and improving the convenience of installation.
[0025] Preferably, the fixed plate 3 extends vertically, and the fixed plate 3 is fixed to the inner wall of the shaft through anchor bolts. Such a structure can increase the contact area of the fixed plate 3 and the inner wall of the shaft, improve the fixing effect of the fixed plate 3 and the inner wall of the shaft through multiple anchor bolts, further improve the firmness of the fixed plate 3, and further improve the vertical impact resistance of the protection device.
[0026] Preferably, referring to Figure 3 The bracing rod comprises a plurality of bracing sleeves 10, the clamps 7 are fixed on the bracing sleeves 10 through welding or bolts, the bracing inner rod 11 is slidably connected between the bracing sleeves 10, and the bracing sleeves 10 and the bracing inner rod 11 are fixedly connected through bolts. Such a structure can adaptively adjust the position of the bracing inner rod 11 relative to the bracing sleeve 10 through sliding according to the size of the elevator door opening, so as to meet the protection use of elevator door openings of different sizes.
[0027] Preferably, the two ends of the fence 6 are symmetrically welded or integrally formed with the insertion columns 12, and the insertion columns 12 are movably inserted into the bracing sleeves 10. Such a structure makes the device can be divided into multiple parts, is convenient for transportation, and is easy to assemble, thereby improving the convenience of the fence 6 during installation operation.
[0028] Preferably, the fixed clamps 2 and the clamps 7 are both U-shaped. The U-shaped structure can be better clamped with the floor 1 or the side wall of the elevator door opening, so as to be not easy to separate after clamping, thereby further improving the firmness of the clamping.
[0029] Working principle: the utility model discloses the structure is through being provided with the fixed card 2 of being connected with floor 1 and the fixed plate 3 of being connected with the inner wall of hoistway, make the protection assembly and between elevator shaft exist multiple stress points, the telescopic connecting rod of symmetrical setting between fixed card 2 and fixed plate 3, multiple support bars 4 are equipped between two telescopic connecting rods, the upper portion of support bar 4 sets up the support plate 5, and such structure is when the support plate 5 is subjected to vertical impact, the clamping cooperation of fixed card 2 and floor 1, the connecting cooperation of fixed plate 3 and the inner wall of hoistway can provide support for vertical impact, reduce the probability that hoistway protection assembly is inclined or falls off, greatly improve the impact resistance of hoistway protection assembly, improve the protection effect to elevator shaft, be equipped with fence 6 at elevator door hole, the upper and lower ends of fence 6 are symmetrically equipped with bracing rod, and the both ends of bracing rod are equipped with bayonet 7, and bayonet 7 is connected with the lateral wall of elevator door hole, and the bracing rod of bottom is contacted with fixed card 2, and such structure utilizes the cooperation of bracing rod and bayonet 7 and firmly restricts fence 6 at elevator door hole, so that fence 6 is not easy to fall off, improves the protection effect to elevator door hole, and the bracing rod of bottom of fence 6 after clamping is in the position of fixed card 2 and is compressed and limited vertically, avoids fixed card 2 and floor 1 to separate, further improves the stability of hoistway protection assembly, improves the protection effect of elevator shaft.
Claims
1. A protective device for improving the safety of elevator shafts, comprising a shaft protection component installed within the shaft and an opening protection component installed at the elevator doorway, characterized in that: The bottom of the elevator door opening is provided with a floor slab (1). The shaft protection assembly includes a fixing clip (2) that is engaged with the floor slab (1) and a fixing plate (3) that is connected to the inner wall of the shaft. Telescopic connecting rods are symmetrically provided between the fixing clip (2) and the fixing plate (3). Multiple support rods (4) are provided between the two telescopic connecting rods. A support plate (5) is provided above the support rods (4). The opening protection assembly includes a fence (6) and a tensioning rod provided at the upper and lower ends of the fence (6). The tensioning rods are symmetrically provided with slots (7) at both ends. The slots (7) are engaged with the side wall of the elevator door opening. The tensioning rod at the bottom is in contact with the fixing clip (2).
2. The protective device for improving the safety of elevator shafts according to claim 1, characterized in that: The telescopic link includes a telescopic sleeve (8) and a telescopic inner rod (9). The telescopic sleeve (8) is symmetrically slidably sleeved on both ends of the telescopic inner rod (9). The telescopic sleeve (8) and the telescopic inner rod (9) are fixedly connected by bolts.
3. The protective device for improving the safety of elevator shafts according to claim 1, characterized in that: The fixing plate (3) extends vertically and is fixed to the inner wall of the well by anchor bolts.
4. The protective device for improving the safety of elevator shafts according to claim 1, characterized in that: The tensioning rod includes multiple tensioning sleeves (10), the bayonet (7) is fixed on the tensioning sleeves (10), and a tensioning inner rod (11) is slidably connected between the multiple tensioning sleeves (10). The tensioning sleeves (10) and the tensioning inner rod (11) are fixedly connected by bolts.
5. The protective device for improving the safety of elevator shafts according to claim 4, characterized in that: The fence (6) has symmetrically arranged plug posts (12) at both ends, and the plug posts (12) are movably plugged into the support sleeve (10).
6. The protective device for improving the safety of elevator shafts according to claim 1, characterized in that: Both the fixing card (2) and the card slot (7) are U-shaped.