Elevator shaft protective door convenient to install

Abstract

The utility model relates to the technical field of elevator shafts, in particular to an elevator shaft protective door convenient to install, which comprises a first telescopic component, a second telescopic component, a support rod and a connecting rod, the two ends of each connecting rod are connected with the first telescopic assembly and the second telescopic assembly correspondingly, and the multiple connecting rods are evenly distributed side by side in the length direction of the first telescopic assembly. The number of the supporting rods is two, the two ends of the supporting rods are connected with the ends of the first telescopic assembly and the second telescopic assembly correspondingly, and the two supporting rods are symmetrically distributed. The length of the first telescopic assembly is adjusted to enable the supporting rods on the two sides to be far away from each other to be pressed on the inner wall of the well mouth, the length of the second telescopic assembly is automatically adjusted according to the length of the first telescopic assembly, the protective door can be suitable for well mouths with different widths, and the applicability of the protective door is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator shaft technical field, concretely is a kind of elevator shaft protective door convenient to install. BACKGROUND

[0002] Elevator shaft is the shaft of elevator installation, the size of shaft is determined according to elevator selection, elevator track and counterweight track are installed on shaft wall, elevator door is installed in the door hole reserved, and elevator machine room is in the top of shaft. With the continuous development of construction industry, elevator shaft protection has been more widely applied, and elevator shaft protection can solve the safety problem of the lack of elevator shaft protection in construction site, prevent high-falling danger, and is simple to assemble and disassemble, safe and reliable to use in the construction process. It plays a great auxiliary role in various construction environments.

[0003] The Chinese patent with the authorization announcement number CN221973377U discloses a kind of elevator shaft protective door convenient to install, it is related to elevator shaft protective door technical field.The utility model includes two horizontal poles, multiple vertical poles, two horizontal poles are oppositely provided with the insertion slot corresponding to vertical pole in inside, the insertion slot inner wall is provided with limit slot, vertical pole side portion is provided with the installation slot corresponding to limit slot, and installation slot is provided with the spring impact bead corresponding to limit slot in inside.The utility model is inserted into the insertion slot in horizontal pole by vertical pole, so that the spring impact bead on vertical pole is elastically clamped into limit slot, it is convenient to quickly assemble protective door, it is convenient to improve the assembly efficiency of protective door, improve the installation efficiency of protective door.

[0004] But the above-mentioned technical scheme has the following defects: the length of the upper and lower two horizontal poles in the above-mentioned elevator shaft protective door convenient to install is fixed when protective door is installed in elevator shaft mouth, the width of protective door cannot be adjusted according to the size of shaft mouth, and it is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and proposes a kind of elevator shaft protective door convenient to install.

[0006] The technical scheme of the utility model: a kind of elevator shaft protective door convenient to install, including first telescopic component, second telescopic component, support rod and connecting rod;

[0007] Connecting rod is equipped with multiple, and the two ends of connecting rod are connected with first telescopic component and second telescopic component respectively, and multiple connecting rods are evenly distributed along the length direction of first telescopic component in parallel;

[0008] Support rod is equipped with two, and the two ends of support rod are connected with the end of first telescopic component and second telescopic component respectively, and two support rods are symmetrically distributed.

[0009] Preferably, first telescopic component includes first fixed rod, first installation rod, double thread rod, knob, worm wheel and worm;

[0010] The first fixed rod is a hollow structure, the double-threaded rod is rotationally connected with the first fixed rod, and the first mounting rod is provided with two first mounting rods which are respectively slidably connected with two ends of the first fixed rod;

[0011] The worm gear is connected with the double-threaded rod, the worm is rotationally connected with the inner wall of the first fixed rod, the worm is meshingly connected with the worm gear, and the knob is connected with the end of the worm;

[0012] The first mounting rod is a hollow structure, the end of the first mounting rod close to the first fixed rod is provided with a fixed block, the two fixed blocks are threadedly connected with the double-threaded rod and are symmetrically distributed on the double-threaded rod, and the support rod is connected with the end of the first mounting rod.

[0013] Preferably, the second telescopic assembly comprises a second fixed rod, a second mounting rod and a spring;

[0014] The two ends of the second fixed rod are provided with mounting holes, the second mounting rod is provided with two second mounting rods which are respectively slidably connected with the mounting holes of the two ends of the second fixed rod;

[0015] The spring is provided with two springs which are respectively connected with the ends of the second mounting rod close to the second fixed rod, the other ends of the springs are connected with the ends of the corresponding mounting holes, and the support rod is connected with the end of the second mounting rod.

[0016] Preferably, the surface of the support rod away from the first telescopic assembly is provided with a plurality of protrusions, and the plurality of protrusions are evenly distributed side by side on the support rod.

[0017] Preferably, the end of the support rod close to the connecting rod is provided with a plurality of cross rods, the plurality of cross rods are evenly distributed side by side on the support rod, a plurality of through holes are arranged on the plurality of connecting rods, the through holes correspond to the cross rods in a one-to-one manner, and the cross rods are connected with the corresponding through holes.

[0018] Preferably, the connecting rod is provided with a warning plate.

[0019] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0020] 1. In the utility model, the length of the first telescopic assembly is adjusted to make the two support rods away from each other and press the inner wall of the wellhead, the length of the second telescopic assembly is adjusted according to the length of the first telescopic assembly, the protective door can be applied to wellheads with different widths, and the applicability of the protective door is stronger.

[0021] 2. In the utility model, the knob is rotated to drive the worm to rotate, the worm gear drives the double-threaded rod to rotate, the two fixed blocks drive the two first mounting rods to move along the axial direction of the double-threaded rod, and the two first mounting rods are close to or away from each other, so that the length of the first telescopic assembly can be adjusted.

[0022] 3. In this utility model, when the first telescopic component extends, the spring releases energy, causing the two second mounting rods to move away from the second fixed rod. When the first telescopic component shortens, the second mounting rods move closer to the second fixed rod, and the spring is further compressed. Attached Figure Description

[0023] Figure 1 This is a perspective view of an embodiment of the present invention in use.

[0024] Figure 2 This is a perspective view of an elevator shaft safety door that is easy to install, as proposed in this utility model.

[0025] Figure 3 This is a structural schematic diagram of an elevator shaft safety door that is easy to install, as proposed in this utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the first telescopic component and the second telescopic component in one embodiment of the present invention.

[0027] Figure 5 for Figure 4 A schematic diagram of the structure at point A in the middle.

[0028] Reference numerals: 1. First fixing rod; 2. First mounting rod; 3. Protrusion; 4. Support rod; 5. Crossbar; 6. Second fixing rod; 7. Second mounting rod; 8. Connecting rod; 9. Warning plate; 10. Double threaded rod; 11. Knob; 12. Spring; 13. Through hole; 14. Fixing block; 15. Worm gear; 16. Worm. Detailed Implementation

[0029] Example 1

[0030] like Figures 1-5 As shown, the present invention proposes an elevator shaft safety door that is easy to install, comprising a first telescopic component, a second telescopic component, a support rod 4, and a connecting rod 8;

[0031] Multiple connecting rods 8 are provided, and the two ends of the connecting rods 8 are respectively connected to the first telescopic component and the second telescopic component. The multiple connecting rods 8 are evenly distributed side by side along the length direction of the first telescopic component.

[0032] There are two support rods 4, and the two ends of the support rods 4 are respectively connected to the ends of the first telescopic component and the second telescopic component. The two support rods 4 are symmetrically distributed.

[0033] Furthermore, the support rod 4 has multiple protrusions 3 on its surface away from the first telescopic component, and the multiple protrusions 3 are evenly distributed side by side on the support rod 4.

[0034] Further, the support rod 4 is provided with a plurality of cross bars 5 near one end of the connecting rod 8, the cross bars 5 are uniformly distributed side by side on the support rod 4, a plurality of through holes 13 are arranged on the connecting rod 8, the through holes 13 correspond to the cross bars 5 one by one, and the cross bars 5 are connected with the corresponding through holes 13 in a matched mode.

[0035] Further, the connecting rod 8 is provided with a warning board 9.

[0036] In the utility model, the protective door is placed at the elevator shaft mouth during installation, the length of the first telescopic assembly is adjusted to make the two support rods 4 away from each other and press the inner wall of the shaft mouth, and the length of the second telescopic assembly is adjusted according to the length of the first telescopic assembly, so that the protective door can be applied to shaft mouths with different widths, and the applicability of the protective door is stronger.

[0037] Embodiment two

[0038] As shown in Figures 3-5 the utility model discloses a kind of protective doors of elevator shaft convenient to install, compared to embodiment one, the first telescopic assembly in the embodiment includes first fixed rod 1, first mounting rod 2, double thread rod 10, knob 11, worm 15 and worm gear 16;

[0039] First fixed rod 1 is hollow structure, double thread rod 10 is rotatably connected first fixed rod 1, first mounting rod 2 is equipped with two, and the two first mounting rods 2 are slidably connected with the two ends of first fixed rod 1 respectively.

[0040] Worm 15 is connected double thread rod 10, worm gear 16 is rotatably connected the inner wall of first fixed rod 1, worm gear 16 is meshed with worm 15, and knob 11 is connected with the end of worm gear 16.

[0041] First mounting rod 2 is hollow structure, and first mounting rod 2 is provided with fixed block 14 near the end of first fixed rod 1, the two fixed blocks 14 are threadedly connected with double thread rod 10, and are symmetrically distributed on double thread rod 10, and support rod 4 is connected with the end of first mounting rod 2.

[0042] In the embodiment, rotating knob 11 drives worm gear 16 to rotate, worm gear 16 is meshed with worm 15, worm 15 drives double thread rod 10 to rotate, the fixed block 14 on the two first mounting rods 2 is threadedly connected with double thread rod 10, the two fixed blocks 14 drive the two first mounting rods 2 to move along the axial direction of double thread rod 10, and the two first mounting rods 2 can be adjusted to the length of first telescopic assembly by moving close to each other or away from each other.

[0043] Embodiment three

[0044] As shown in Figures 3-4The utility model provides an elevator shaft protective door convenient to install, compared with embodiment one, the second telescopic component includes second fixed rod 6, second mounting rod 7 and spring 12 in this embodiment,

[0045] Both ends of second fixed rod 6 are equipped with mounting holes, and second mounting rod 7 is equipped with two mounting holes and is slidably connected to both ends of second fixed rod 6.

[0046] Spring 12 is equipped with two ends and is connected to the end of second mounting rod 7 close to second fixed rod 6, and the other end of spring 12 is connected to the corresponding mounting hole, and spring 12 is in a compressed state, and the end of support rod 4 is connected to second mounting rod 7.

[0047] In this embodiment, the length of the second telescopic component is automatically adjusted according to the length of the first telescopic component, when the first telescopic component is elongated, spring 12 releases energy to make the two second mounting rods 7 away from second fixed rod 6, when the first telescopic component is shortened, second mounting rod 7 is close to second fixed rod 6, and spring 12 is further compressed.

[0048] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A hoistway protective door that is easy to install, characterized in that, The first telescopic assembly, the second telescopic assembly, the support rod (4) and the connecting rod (8) are provided; A plurality of connecting rods (8) are provided, and two ends of each connecting rod (8) are connected with the first telescopic assembly and the second telescopic assembly respectively, and the plurality of connecting rods (8) are evenly distributed side by side along the length direction of the first telescopic assembly; Two support rods (4) are provided, and two ends of each support rod (4) are connected with the end of the first telescopic assembly and the second telescopic assembly respectively, and the two support rods (4) are symmetrically distributed.

2. A conveniently installable elevator shaft protective door according to claim 1, characterized in that The first telescopic assembly comprises a first fixed rod (1), a first mounting rod (2), a double-thread rod (10), a knob (11), a worm wheel (15) and a worm (16); The first fixed rod (1) is a hollow structure, the double-thread rod (10) is rotatably connected with the first fixed rod (1), and the first mounting rod (2) is provided with two first mounting rods (2) which are slidably connected with two ends of the first fixed rod (1) respectively; The worm wheel (15) is connected with the double-thread rod (10), the worm (16) is rotatably connected with the inner wall of the first fixed rod (1), the worm (16) is meshingly connected with the worm wheel (15), and the knob (11) is connected with the end of the worm (16); The first mounting rod (2) is a hollow structure, the first mounting rod (2) is provided with a fixed block (14) near the end of the first fixed rod (1), the two fixed blocks (14) are threadedly connected with the double-thread rod (10) and are symmetrically distributed on the double-thread rod (10), and the support rod (4) is connected with the end of the first mounting rod (2).

3. A conveniently installable elevator shaft protective door according to claim 1, characterized in that, The second telescopic assembly comprises a second fixed rod (6), a second mounting rod (7) and a spring (12); The second fixed rod (6) is provided with mounting holes at two ends, and the second mounting rod (7) is provided with two second mounting rods (7) which are slidably connected with the mounting holes at two ends of the second fixed rod (6) respectively; The spring (12) is provided with two springs (12) which are connected with the ends of the second mounting rod (7) near the second fixed rod (6) respectively, the other ends of the springs (12) are connected with the ends of the corresponding mounting holes, and the support rod (4) is connected with the end of the second mounting rod (7).

4. A conveniently installable elevator shaft protective door according to claim 1, characterized in that The surface of the support rod (4) away from the first telescopic assembly is provided with a plurality of protrusions (3), and the plurality of protrusions (3) are evenly distributed side by side on the support rod (4).

5. A conveniently installable elevator shaft protective door according to claim 1, characterized in that, The end of the support rod (4) close to the connecting rod (8) is provided with a plurality of cross rods (5), the plurality of cross rods (5) are evenly distributed side by side on the support rod (4), the plurality of connecting rods (8) are provided with a plurality of through holes (13), the through holes (13) correspond to the cross rods (5) one by one, and the cross rods (5) are connected with the corresponding through holes (13).

6. A conveniently installable elevator shaft protective door according to claim 1, characterized in that The connecting rod (8) is provided with a warning plate (9).

Images