A type of elevator limit switch protection device that is not easily shaken

Abstract

This utility model relates to the technical field of limit switch protection devices, specifically disclosing a non-shaking elevator limit switch protection device, including a mounting plate. A protective shell is fixedly installed on the top of the mounting plate, and a protection mechanism is set inside the protective shell. The protection mechanism includes a storage shell, which is fixedly installed inside the protective shell at the top of the mounting plate. The storage shell has a storage groove inside, and a first spring is embedded in the top of the inner part of the protective shell. This utility model, through the storage shell, storage groove, first spring, contact plate, and flexible pad, and in conjunction with a fixing plate, rubber block, and locking groove, can initially connect the mounting plate and the protective shell, and can accommodate the switch and provide protection, preventing shaking and collisions. It also avoids using too many components or structures of different materials for protection, improves the overall ease of use, and reduces production costs.

Description

Technical Field

[0001] This utility model relates to the technical field of limit switch protection devices, and in particular to an elevator limit switch protection device that is not easily shaken. Background Technology

[0002] Elevator limit switches, also known as elevator limit switches or limit switches, are key protective devices in elevator safety systems. They are used to precisely control the operating range of the elevator car (or counterweight) to prevent it from exceeding the limit position of the normal operating track and avoid serious safety accidents such as overshooting or bottoming out.

[0003] People protect limit switches by storing them in storage boxes. However, existing elevator limit switch storage boxes have a simple structure and do not have shock absorption function. When shaken during transportation, the limit switches will shake and collide with the inner wall of the storage box, which can easily damage the limit switches.

[0004] An existing patent (publication number: CN210393302U) discloses an elevator limit switch protection device. The utility model uses a box body, a first spring, a support plate, a first foam board, a lower placement groove, a box cover, a second foam board, an upper placement groove, a slot, a receiving groove, a locking rod, a fixing plate, a second spring, and a moving plate to cooperate. It has the advantage of providing buffer protection for the limit switch. It solves the problem that the existing elevator limit switch storage box has a simple structure and does not have a shock absorption function. When shaken during transportation, the limit switch will shake and collide with the inner wall of the storage box, which can easily cause damage to the limit switch.

[0005] To address the aforementioned issues, while existing patents offer solutions that can prevent collisions through the use of components such as a first spring, in actual use, the excessive number of components used to achieve collision protection increases the cost and process complexity of each component, potentially burdening production costs after implementation. Summary of the Invention

[0006] The purpose of this utility model is to provide an elevator limit switch protection device that is not easily shaken. It can initially connect the mounting plate and the protective shell, and can install the switch and provide protection to avoid shaking and collisions. It also avoids the use of too many components or structures of different materials for protection, improves the overall ease of use, and reduces production costs, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an elevator limit switch protection device that is not easily shaken, including a mounting plate, a protective shell fixedly mounted on the top of the mounting plate, and a protection mechanism provided inside the protective shell;

[0008] The protective mechanism includes a storage shell, which is fixedly installed inside the protective shell at the top of the mounting plate. The storage shell has a storage groove inside. A first spring is embedded in the top of the inner part of the protective shell, and an abutment plate is fixedly installed at the bottom of the first spring. A flexible pad is fixedly installed at the bottom of the abutment plate.

[0009] Preferably, a fixing plate is fixedly installed on the top of the storage shell, and a limiting groove is formed on the outer wall of the contact plate corresponding to the position of the fixing plate.

[0010] Preferably, a mounting block is fixedly installed on the top of the fixing plate, and a rubber block is fixedly installed on the top of the mounting block.

[0011] Preferably, assembly blocks are fixedly installed on both sides of the interior of the protective shell, and the bottom end of the assembly block is provided with a locking groove.

[0012] Preferably, the outer wall of the protective shell is provided with positioning grooves on both sides, and a positioning mechanism is provided inside the positioning grooves.

[0013] Preferably, the positioning mechanism includes a through block that penetrates into the interior of the positioning groove, and sliding blocks protrude from both sides of the outer wall of the housing.

[0014] Preferably, a connecting rod is fixedly installed on the outer wall of the sliding block, and a sleeve is sleeved on the outside of the connecting rod. A limit plate is fixedly installed at one end of the connecting rod that passes through the sleeve, and a second spring is fixedly installed between the limit plate and the sleeve.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model, through the storage shell, storage groove, first spring, contact plate and flexible pad, and in conjunction with the fixing plate, rubber block and locking groove, can initially connect the mounting plate and protective shell, and can install the switch and provide protection, avoiding the situation of shaking and bumping, and avoiding the use of too many components or structures of different materials for protection, improving the overall ease of use and reducing production costs;

[0017] 2. This utility model, through the cooperation of the through block, sliding block, connecting rod, sleeve, limiting plate and second spring, can further improve the stability of the connection between the mounting plate and the protective shell, avoid loosening after installation, which would prevent the switch from being unprotected, and at the same time facilitate disassembly and assembly, improving the overall ease of use. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is an overall structural view of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the storage shell of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the contact plate of this utility model;

[0022] Figure 4 This is a schematic diagram of the connecting rod of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Mounting plate; 2. Protective shell; 3. Protective mechanism; 301. Storage shell; 302. Storage slot; 303. First spring; 304. Contact plate; 305. Flexible pad; 306. Fixing plate; 307. Limiting slot; 308. Mounting block; 309. Rubber block; 310. Assembly block; 311. Engaging slot; 4. Positioning slot; 5. Positioning mechanism; 501. Through block; 502. Sliding block; 503. Connecting rod; 504. Sleeve; 505. Limiting plate; 506. Second spring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides a technical solution:

[0027] Please see Figures 1 to 3An elevator limit switch protection device that is not easily shaken includes a mounting plate 1. A protective shell 2 is fixedly installed on the top of the mounting plate 1. A protection mechanism 3 is provided inside the protective shell 2. The protection mechanism 3 includes a storage shell 301, which is fixedly installed inside the protective shell 2 at the top of the mounting plate 1. A storage groove 302 is opened inside the storage shell 301. A first spring 303 is embedded in the top of the inner part of the protective shell 2. An abutment plate 304 is fixedly installed at the bottom of the first spring 303. A flexible pad 305 is fixedly installed at the bottom of the abutment plate 304. A fixing plate 306 is fixedly installed on the top of the storage shell 301. A limit groove 307 is opened on the outer wall of the abutment plate 304 corresponding to the position of the fixing plate 306. An installation block 308 is fixedly installed on the top of the fixing plate 306. A rubber block 309 is fixedly installed on the top of the installation block 308. Assembly blocks 310 are fixedly installed on both sides inside the protective shell 2. A locking groove 311 is opened at the bottom of the assembly block 310.

[0028] By adopting the above technical solution, the switch is first placed in the storage slot 302 of the storage shell 301, and then the protective shell 2 is covered on the mounting plate 1. The top of the fixing plate 306 is initially connected by the rubber block 309 embedded in the mounting block 308 through the engaging slot 311 of the assembly block 310. At the same time, the fixing plate 306 limits the positioning slot 307, which allows the contact plate 304 to slide stably under the elastic push of the first spring 303 and allows the flexible pad 305 to enter the storage slot 302 to press the switch, thus achieving the effect of preventing shaking and bumping, and avoiding the use of too many components, reducing the overall production cost.

[0029] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, positioning grooves 4 are provided on both sides of the outer wall of the protective shell 2. A positioning mechanism 5 is provided inside the positioning groove 4. The positioning mechanism 5 includes a through block 501 that passes through the positioning groove 4. Sliding blocks 502 extend out from both sides of the outer wall of the housing shell 301. A connecting rod 503 is fixedly installed on the outer wall of the sliding block 502. A sleeve 504 is sleeved on the outside of the connecting rod 503. A limiting plate 505 is fixedly installed at one end of the connecting rod 503 that passes through the sleeve 504. A second spring 506 is fixedly installed between the limiting plate 505 and the sleeve 504.

[0030] By adopting the above technical solution, after the mounting plate 1 and the protective shell 2 are initially connected, the through block 501 corresponds to the positioning groove 4. After losing contact, the second spring 506 then extends and retracts, allowing the connecting rod 503 and the sleeve 504 to extend. With the help of the limiting plate 505, the connecting rod 503 is prevented from falling off. Finally, the sliding block 502 pushes the through block 501 into the positioning groove 4, further improving the stability of the connection between the mounting plate 1 and the protective shell 2. When disassembling and assembling, the through block 501 can be pressed, making the entire protective device easy to disassemble and assemble, and improving the convenience of use.

[0031] Working principle: The storage slot 302 of the storage shell 301 matches the switch for storage and protection. When the mounting plate 1 and the protective shell 2 are fastened together, the rubber block 309 fixed at the top of the fixing plate 306 by the mounting block 308 passes through the engaging slot 311 of the assembly block 310 for initial connection. The fixing plate 306 allows the contact plate 304 to slide stably through the limiting slot 307. Under the elastic push of the first spring 303, the flexible pad 305 can pass through the storage slot 302 to press against the switch, achieving a pressing and protective effect, avoiding the use of excessive structures for protection. After the mounting plate 1 and the protective shell 2 are initially connected, the through block 501 corresponds to the positioning groove 4 and loses its resistance, allowing the second spring 506 to elastically push the limiting plate 505. The connecting rod 503 and the sleeve 504 slide and engage, thereby allowing the sliding block 502 to drive the through block 501 into the positioning groove 4, further improving the stability of the mounting plate 1 and the protective shell 2 and preventing loosening. When disassembling, the through block 501 can be pressed, and the through block 501 with an inclined surface can be easily pressed to loosen it and then pulled out to disassemble and remove the switch.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A non-shaking elevator limit switch protection device comprising a mounting plate (1), characterized in that: The top end of the mounting plate (1) is fixedly installed with a protective shell (2), and the inside of the protective shell (2) is provided with a protection mechanism (3); The protection mechanism (3) comprises a receiving shell (301), which is fixedly installed in the inside of the top end protective shell (2) of the mounting plate (1), and the inside of the receiving shell (301) is provided with a receiving groove (302); the top end of the protective shell (2) is embedded with a first spring (303), and the bottom end of the first spring (303) is fixedly installed with a resisting plate (304); the bottom end of the resisting plate (304) is fixedly installed with a flexible pad (305).

2. A non-shaking elevator limit switch protection device according to claim 1, characterized in that: The top end of the receiving shell (301) is fixedly installed with a fixed plate (306), and the position of the outer wall of the resisting plate (304) corresponding to the fixed plate (306) is provided with a limiting groove (307).

3. A non-shaking elevator limit switch protection device according to claim 2, characterized in that: The top end of the fixed plate (306) is fixedly installed with a mounting block (308), and the top end of the mounting block (308) is fixedly installed with a rubber block (309).

4. A non-shaking elevator limit switch protection device according to claim 1, characterized in that: The inside of the protective shell (2) is fixedly installed with an assembly block (310) on both sides, and the bottom end of the assembly block (310) is provided with a clamping groove (311).

5. A non-shaking elevator limit switch protection device according to claim 1, characterized in that: The outer wall of the protective shell (2) is provided with a positioning groove (4) on both sides, and the inside of the positioning groove (4) is provided with a positioning mechanism (5).

6. A non-shaking elevator limit switch protection device according to claim 5, characterized in that: The positioning mechanism (5) comprises a penetrating block (501), which penetrates into the inside of the positioning groove (4); the outer wall of the receiving shell (301) is provided with a sliding block (502) on both sides.

7. A non-shaking elevator limit switch protection device according to claim 6, characterized in that: The outer wall of the sliding block (502) is fixedly installed with a connecting rod (503), and the outer wall of the connecting rod (503) is provided with a sleeve (504); one end of the connecting rod (503) penetrating into the sleeve (504) is fixedly installed with a limiting plate (505), and the limiting plate (505) and the sleeve (504) are fixedly installed with a second spring (506).

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