Telescopic car top guardrail
By designing a telescopic car top guardrail, which uses a slider to move within a groove to expand the protection range and prohibits elevator operation when not under maintenance, the problem of insufficient guardrail protection range is solved, thus improving both safety and ease of maintenance.
Patent Information
- Application Number
- CN202520188084.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-06
AI Technical Summary
The existing car top guardrails, in order to save space, have too small a protective range, which affects the maintenance efficiency of elevator equipment.
Design a telescopic car top guardrail, including a fixed component, a movable component, and a triggering part. The guardrail increases the protection range by moving a slider in a groove, and triggers a switch to prevent the elevator from running in non-maintenance states to avoid damage.
It expands the protection range, improves safety performance and service life, ensures the safety and convenience of maintenance personnel, and reduces production costs.
Smart Images

Figure CN223851990U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator equipment technical field especially a telescopic car roof guardrail. BACKGROUND
[0002] Now elevator is more and more popular, and its market share is also more and more big, and the builder saves building space as far as possible, leading to its overall layout is quite compact, this arrangement mode can lead to elevator top space is too small. Car roof guardrail protects and guards the effect to person and equipment, is a kind of extremely important safety protection facilities, but the car roof guardrail of current in order to save space, only sets up the guard bar of one side, causes the protection range of car roof guardrail to be too small, cannot provide effective, broad protection range for maintenance personnel, has influenced the maintenance efficiency of elevator equipment. SUMMARY
[0003] To solve above-mentioned problem, the utility model's purpose is at providing a telescopic car roof guardrail, effectively expands the protection range of car roof guardrail, improves the safety performance and user experience of telescopic car roof guardrail.
[0004] The utility model solves the technical scheme that its problem adopts:
[0005] A telescopic car roof guardrail, including fixed assembly, movable assembly and trigger part, the movable assembly is movably connected with the fixed assembly through the trigger part, the fixed assembly includes support frame, first crossbeam and mounting bracket, the first crossbeam and the mounting bracket are fixed on the support frame, a plurality of sliding slots are arranged on the support frame, the movable assembly includes sliding block and second crossbeam, and the movable assembly is movably connected with the support frame by inserting the sliding block into the sliding slot, the sliding block and the sliding slot are both provided with through holes, and the sliding block and the sliding slot are fixedly connected by inserting the pin assembly into the through hole, the trigger part includes trigger switch and trigger block, the trigger switch is fixed on the mounting bracket, and the trigger block is fixed on the movable assembly and is opposite to the trigger switch.
[0006] The telescopic car roof guardrail has at least the following beneficial effects: by setting the fixed assembly and the movable assembly, the movable assembly moves upward along the sliding slot by the sliding block to increase the height of the movable assembly, at the same time, the support frame, the first crossbeam and the second crossbeam can ensure that the maintenance personnel can safely and stably maintain in the support frame, effectively expand the protection range of car roof guardrail, and ensure the safety performance of telescopic car roof guardrail, by setting the movable assembly and the trigger part, the trigger block presses the trigger switch when the movable assembly is retracted, to ensure that the elevator is prohibited from running in the non-maintenance state, avoid damaging the telescopic car roof guardrail, and improve the safety and service life of the telescopic car roof guardrail.
[0007] Further, the movable assembly is further provided with a connecting portion, and the sliding block, the second cross beam and the trigger block are fixed on the connecting portion. By arranging the connecting portion, the connecting stability of the sliding block, the second cross beam and the trigger block is ensured, the damage of the telescopic roof guardrail during the working process is avoided, and the safety of the telescopic roof guardrail is improved.
[0008] Further, the support frame is further provided with a mounting plate for fixing the fixed assembly. By arranging the mounting plate, the fixed assembly can be stably and accurately mounted on the elevator roof, and the stability and installation convenience of the telescopic roof guardrail are improved.
[0009] Further, a plurality of through holes are arranged on the sliding block, and when the uppermost through hole of the sliding block is opposite to the through hole on the sliding groove, the trigger block is attached to the trigger switch. By arranging the plurality of through holes, the trigger block can stably and accurately press the trigger switch, so that the elevator is stopped in the non-maintenance state, and the safety of the telescopic roof guardrail is improved.
[0010] Further, the two through holes are arranged on the sliding block and the sliding groove. This structure ensures that the bolt assembly can stably fix the sliding block and the sliding groove after being inserted into the two through holes, avoids the loosening of the movable assembly during the maintenance process, and improves the protection performance of the telescopic roof guardrail.
[0011] Further, the bolt assembly is provided with two fixing strips matched with the through holes. By arranging the fixing strips, the bolt assembly can be stably and accurately inserted into the through holes of the sliding block and the sliding groove, so that the displacement or loosening of the sliding block and the sliding groove is avoided, and the structural stability of the telescopic roof guardrail is ensured.
[0012] Further, a plurality of first cross beams are arranged on the rear side of the support frame, and the plurality of first cross beams are arranged in parallel. By arranging the plurality of first cross beams, the structural stability of the support frame is ensured, and the protection performance of the telescopic roof guardrail is improved.
[0013] Further, the sliding grooves are uniformly distributed on both sides of the support frame. This structure ensures that the sliding grooves can stably support the sliding blocks, so that the movable assembly can be stably moved and fixed above the support frame, and the use convenience of the telescopic roof guardrail is improved.
[0014] Further, the mounting bracket and the trigger block are in L-shaped cross section. This structure ensures that the mounting bracket and the trigger block can be stably fixed on the support frame and the movable assembly, and the trigger block can accurately press the trigger switch, so that the safety of the telescopic roof guardrail is ensured.
[0015] Further, the first cross beam and the second cross beam are both made of C-shaped steel.
[0016] The telescopic roof guardrail has the advantages that: the fixed assembly and the movable assembly are arranged, the movable assembly is moved upward along the sliding groove through the sliding block to increase the height of the movable assembly, meanwhile, the support frame, the first cross beam and the second cross beam can ensure that the maintenance personnel can safely and stably maintain in the support frame, the protection range of the roof guardrail is effectively expanded, and the safety performance of the telescopic roof guardrail is ensured; the movable assembly and the trigger part are arranged, the trigger block presses the trigger switch when the movable assembly is retracted, so that the elevator is prohibited from running in the non-maintenance state, damage to the telescopic roof guardrail is avoided, and the safety performance and service life of the telescopic roof guardrail are improved; the connecting part is arranged, the connection stability of the sliding block, the second cross beam and the trigger block is ensured, the telescopic roof guardrail is prevented from being damaged during the working process, and the safety performance of the telescopic roof guardrail is improved; the mounting plate is arranged, the fixed assembly can be stably and accurately mounted to the top of the elevator bridge, and the stability and installation convenience of the telescopic roof guardrail are improved; the fixed strip is arranged, the bolt assembly can be stably and accurately inserted into the through hole of the sliding block and the through hole of the sliding groove, displacement or even loosening of the sliding block and the sliding groove is avoided, and the structural stability of the telescopic roof guardrail is ensured.
[0017] Additional aspects and advantages of the present application will be made apparent from the following description of embodiments of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] The above and additional aspects and advantages of the present application will become apparent from the following description of embodiments of the present application, taken in conjunction with the accompanying drawings.
[0019] Figure 1 FIG. 1 is a structural schematic diagram of a telescopic roof guardrail in a working state according to an embodiment of the present application;
[0020] Figure 2 FIG. 2 is an exploded view of a telescopic roof guardrail according to an embodiment of the present application;
[0021] Figure 3 FIG. 3 is a structural schematic diagram of a telescopic roof guardrail in a maintenance state according to an embodiment of the present application;
[0022] Figure 4 FIG. 4 is a structural schematic diagram of a telescopic roof guardrail in a maintenance state according to an embodiment of the present application; Figure 1 FIG. 5 is an enlarged view of the bolt assembly in FIG. 4. DETAILED DESCRIPTION
[0023] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as a limitation of the present application.
[0024] With reference to Figures 1 to 4 The utility model discloses an embodiment provides a telescopic car roof guardrail, including fixed subassembly 100, movable assembly 200 and trigger portion 300, movable assembly 200 passes through trigger portion 300 and is connected with fixed subassembly 100, fixed subassembly 100 includes support frame 110, first crossbeam 120 and installation support 130, and first crossbeam 120 and installation support 130 are fixed on support frame 110, and be equipped with a plurality of sliding slot 111 on support frame 110, movable assembly 200 includes sliding block 210 and second crossbeam 220, and movable assembly 200 is connected with support frame 110 through sliding block 210 inserts sliding slot 111, and both sliding block 210 and sliding slot 111 are equipped with through -hole 211, and sliding block 210 and sliding slot 111 are fixedly connected through bolt assembly 140 and insert through -hole 211, trigger portion 300 includes trigger switch 310 and trigger block 320, and trigger switch 310 is fixed on installation support 130, and trigger block 320 is fixed on movable assembly 200 and with trigger switch 310 position is opposite.
[0025] Through setting fixed subassembly 100 and movable assembly 200, movable assembly 200 moves upwards along sliding slot 111 through sliding block 210, to increase the height of movable assembly 200, at the same time, support frame 110, first crossbeam 120 and second crossbeam 220 can ensure that the maintenance personnel can safely and stably carry out maintenance in support frame 110, effectively expand the protection range of car roof guardrail, guarantee the safety performance of telescopic car roof guardrail, through setting movable assembly 200 and trigger portion 300, trigger block 320 presses trigger switch 310 when movable assembly 200 contracts, to ensure that the elevator is prohibited to run under non-maintenance state, avoid damaging telescopic car roof guardrail, improve the safety and service life of telescopic car roof guardrail.
[0026] Another embodiment, movable assembly 200 is also equipped with connecting portion 230, and sliding block 210, second crossbeam 220 and trigger block 320 are all fixed on connecting portion 230. Through setting connecting portion 230, the connection stability of sliding block 210, second crossbeam 220 and trigger block 320 is guaranteed, avoid the damage of telescopic car roof guardrail during working process, improve the safety of telescopic car roof guardrail.
[0027] Another embodiment, the support frame 110 is also provided with a mounting plate 112 for fixing the fixed assembly 100. By setting the mounting plate 112, it is ensured that the fixed assembly 100 can be stably and accurately installed on the top of the elevator bridge, improving the stability and installation convenience of the telescopic roof guardrail.
[0028] Another embodiment, the sliding block 210 is provided with a plurality of through holes 211, when the uppermost through hole 211 of the sliding block 210 is opposite to the through hole 211 on the sliding groove 111, the trigger block 320 is attached to the trigger switch 310. By setting a plurality of through holes 211, it is ensured that the trigger block 320 can stably and accurately press the trigger switch 310, so as to ensure that the elevator stops running in a non-maintenance state, and improve the safety of the telescopic roof guardrail.
[0029] Another embodiment, the through holes 211 are arranged in pairs on the sliding block 210 and the sliding groove 111. This structure ensures that the bolt assembly 140 can stably fix the sliding block 210 and the sliding groove 111 after being inserted into the two through holes 211, avoiding the loosening of the movable assembly 200 during maintenance, and improving the protection performance of the telescopic roof guardrail.
[0030] Another embodiment, the bolt assembly 140 is provided with two fixed strips 141 matched with the through holes 211. By setting the fixed strips 141, it can be ensured that the bolt assembly 140 is stably and accurately inserted into the through holes 211 of the sliding block 210 and the through holes 211 of the sliding groove 111, avoiding the displacement or even loosening of the sliding block 210 and the sliding groove 111, and ensuring the structural stability of the telescopic roof guardrail.
[0031] Another embodiment, the rear side of the support frame 110 is provided with a plurality of first cross beams 120, and the plurality of first cross beams 120 are arranged in parallel with each other. By setting a plurality of first cross beams 120, the structural stability of the support frame 110 is ensured, and the protection performance of the telescopic roof guardrail is also enhanced.
[0032] Another embodiment, the sliding grooves 111 are uniformly distributed on both sides of the support frame 110. This structure ensures that the sliding grooves 111 can stably support the sliding blocks 210, so that the movable assembly 200 can move smoothly and be fixed above the support frame 110, improving the use convenience of the telescopic roof guardrail.
[0033] Another embodiment, the cross section of the mounting bracket 130 and the trigger block 320 is L-shaped. This structure ensures that the mounting bracket 130 and the trigger block 320 can be stably fixed on the support frame 110 and the movable assembly 200, and the trigger block 320 can accurately press the trigger switch 310, ensuring the safety of the telescopic roof guardrail.
[0034] In another embodiment, the first cross beam 120 and the second cross beam 220 are both made of C-shaped steel. The C-shaped steel has the advantages of high structural strength, easy processing and low cost. The first cross beam 120 and the second cross beam 220 made of C-shaped steel can effectively improve the structural stability of the telescopic roof guardrail and reduce the production cost of the telescopic roof guardrail.
[0035] The working principle of the utility model will be further described below.
[0036] In the use process, when the elevator is normally running, the through hole 211 at the upper end of the sliding block 210 is opposite to the through hole 211 on the sliding groove 111, the trigger block 320 is attached to the trigger switch 310, and the fixing strip 141 is inserted into the through hole 211 of the sliding block 210 and the through hole 211 of the sliding groove 111, so as to avoid the displacement or even the loosening of the sliding block 210 and the sliding groove 111. In actual application, the trigger switch 310 is integrated into the maintenance circuit of the elevator. When the trigger switch 310 is pressed, the working circuit of the elevator is turned on, and the elevator can normally operate. At this time, the telescopic roof guardrail is in the working state as shown in Figure 1 Since the movable assembly 200 is fixed in the fixed assembly 100, the occupied space of the telescopic roof guardrail can be effectively saved. When it is necessary to check or maintain the elevator roof, when the elevator is in the maintenance position, the fixing strip 141 is taken out from the through hole 211 of the sliding block 210 and the through hole 211 of the sliding groove 111, the sliding block 210 is moved in the sliding groove 111 to make the movable assembly 200 move upward, until the through hole 211 at the lower end of the sliding block 210 is opposite to the through hole 211 on the sliding groove 111, and the fixing strip 141 is inserted into the through hole 211 of the sliding block 210 and the through hole 211 of the sliding groove 111. Since the trigger block 320 no longer attaches to the trigger switch 310, the working circuit of the elevator is turned off, and the elevator cannot operate. At this time, the telescopic roof guardrail is in the maintenance state as shown in Figure 3 Since the elevator cannot operate, the worker can move and perform maintenance operation within the range formed by the movable assembly 200, the first cross beam 120 and the second cross beam 220, thereby improving the maintenance convenience of the worker on the premise of expanding the protection range.
[0037] From the above description, the utility model discloses telescopic car roof guardrail through setting up fixed assembly 100 and movable assembly 200, movable assembly 200 moves along the sliding slot 111 upwards through slider 210, to increase the height of movable assembly 200, simultaneously, support frame 110, first crossbeam 120 and second crossbeam 220 can guarantee that the maintenance personnel can safely, stably carry out the maintenance in support frame 110, effectively expands the protection range of car roof guardrail, guarantees the safety performance of telescopic car roof guardrail, through setting up movable assembly 200 and trigger portion 300, trigger block 320 presses trigger switch 310 when movable assembly 200 contracts, to guarantee that the elevator prohibits operation under the non-maintenance state, avoids causing the damage to telescopic car roof guardrail, improves the safety and service life of telescopic car roof guardrail, through setting up connecting portion 230, guarantees the connection stability of slider 210, second crossbeam 220 and trigger block 320, avoids the damage of telescopic car roof guardrail in the working process, improves the safety of telescopic car roof guardrail, through setting up mounting plate 112, guarantees that fixed assembly 100 can stably, accurately install to the elevator bridge roof, improves the stability and installation convenience of telescopic car roof guardrail, through setting up fixed strip 141, can guarantee that the bolt assembly 140 stably, accurately inserts into the through -hole 211 of slider 210 and the through -hole 211 of sliding slot 111, avoids the displacement of slider 210 and sliding slot 111 even the situation of loosening, guarantees the structural stability of telescopic car roof guardrail.
[0038] The utility model has been described in detail above in connection with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge of ordinary skilled in the art without departing from the spirit of the utility model.
Claims
1. A telescoping roof barrier, characterized in that, The utility model provides a kind of fixed component, movable component and trigger part including;The movable component is movably connected with the fixed component by the trigger part;The fixed component includes support frame, first beam and mounting bracket, the first beam and the mounting bracket are fixed on the support frame, and multiple slide grooves are equipped on the support frame;The movable component includes slider and second beam, and the movable component is movably connected with the support frame by inserting the slider into the slide groove;Both the slider and the slide groove are equipped with through hole, and the slider and the slide groove are fixedly connected by inserting the through hole into the pin component;The trigger part includes trigger switch and trigger block, the trigger switch is fixed on the mounting bracket, and the trigger block is fixed on the movable component and is opposite to the trigger switch.
2. A telescoping roof rail as defined in claim 1, wherein, The movable component is further equipped with connecting part, and the slider, the second beam and the trigger block are all fixed on the connecting part.
3. A telescoping roof rail as defined in claim 2, wherein, The support frame is further equipped with mounting plate for fixing the fixed component.
4. A telescoping roof rail as defined in claim 1, wherein, Multiple groups of through holes are equipped on the slider, and when the uppermost through hole of the slider is opposite to the through hole on the slide groove, the trigger block is attached to the trigger switch.
5. A telescoping roof rail as defined in claim 4 wherein, Two through holes are set on the slider and the slide groove as a group.
6. A telescoping roof rail as defined in claim 5, wherein, The pin component is equipped with two fixing strips matched with the through hole.
7. A telescoping roof rail as defined in claim 1 wherein, The rear side of the support frame is equipped with multiple first beams, and multiple first beams are arranged in parallel.
8. A telescoping roof rail as defined in claim 7, wherein, The slide grooves are evenly distributed on both sides of the support frame.
9. A telescoping roof rail as defined in claim 1 wherein, The mounting bracket and the trigger block are L-shaped in cross section.
10. A telescoping roof rail as defined in claim 1, wherein, The first beam and the second beam are both made of C-shaped steel.