CN209242406U - A kind of household ladder upper mechanical preventing device - Google Patents

Abstract

The utility model relates to elevator technology fields, in particular a kind of household ladder upper mechanical preventing device, including bump rubber and car top, the bottom end of the bump rubber is fixedly connected with prevention pipe, the upper front end for preventing pipe is fixedly connected with rail horizontal rod, the upper bottom end for preventing pipe is fixedly connected with casing, horizontally disposed pin shaft is equipped on the inside of the rear end face of described sleeve pipe, the outside of the pin shaft is equipped with articulated joint, the bottom end of the articulated joint is fixedly connected with the bottom tube being vertically arranged, the front end of the bottom tube is fixedly connected with sleeve, the top left hand of the bottom tube is fixedly connected with pedestal, the inside of the pedestal is equipped with screw, the outside of the screw is equipped with fixed plate, in the utility model, pass through the casing of setting, pin shaft and upper prevention pipe are realized and are simplified to the structure of household ladder upper mechanical preventing device, save cost of manufacture, Device will be prevented to move to car top while more economical, save well space, will not interfere with carriage operation.

Description

A kind of household ladder upper mechanical preventing device

Technical field

The utility model relates to elevator technology field, specially a kind of household ladder upper mechanical preventing device.

Background technique

Home lift, which refers to, to be mounted in private residence, the elevator only used for single kinsfolk, it can also be installed In the building that non-single family uses, enter the tool in its residence as single family, but the public in building or Other occupants cannot be introduced into and use, and home lift normal speed is no more than 0.4m/s, for the home lift volume of no gate Constant speed degree is no more than 0.3m/s, and carriage stroke is no more than 12m, and nominal load capacity is not more than 400KG, is broadly divided into towed elevator, Screw elevator, several structures of hydraulic elevator, therefore, the demand to a kind of household ladder upper mechanical preventing device are growing.

Currently there are most of household ladder upper mechanical preventing device use the labyrinths such as round tube and cam, system It is too high to make cost, and existing upper prevention device needs to be fixed in hoistway with expansion bolt, easily interferes carriage operation, Er Qiechuan The household ladder upper mechanical preventing device of system lacks the waterproof measure of limit switch, and limit switch water inlet be easy to cause mechanical breakdown, The damage of elevator limit switch can make elevator cross the extreme position of normal operation, cause cables break even carriage to fall serious Therefore consequence proposes a kind of household ladder upper mechanical preventing device regarding to the issue above.

Utility model content

The purpose of this utility model is to provide a kind of household ladder upper mechanical preventing devices, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions:

The bottom end of a kind of household ladder upper mechanical preventing device, including bump rubber and car top, the bump rubber is solid Surely it is connected with prevention pipe, the upper front end for preventing pipe is fixedly connected with rail horizontal rod, and the upper bottom end for preventing pipe is fixed It is connected with casing, horizontally disposed pin shaft is equipped on the inside of the rear end face of described sleeve pipe, the outside of the pin shaft is equipped with articulated joint, institute The bottom end for stating articulated joint is fixedly connected with the bottom tube being vertically arranged, and the front end of the bottom tube is fixedly connected with sleeve, the bottom tube Top left hand be fixedly connected with pedestal, the inside of the pedestal is equipped with screw, and the outside of the screw is equipped with fixed plate, described The outside of fixed plate is equipped with car top, is fixedly connected with switch bracket on the outside of the bottom tube, the rear end of the switch bracket is fixed It is connected with limit switch, the front side top of the switch bracket is fixedly connected with the spring being vertically arranged, the top of the spring It is fixedly connected with waterproof cover, the top of the waterproof cover is rotatably connected to rotor plate.

Preferably, the quantity of the pin shaft be 4, and the inside of casing and the inside of articulated joint with the outer sideslip of pin shaft Dynamic connection.

Preferably, the top inner side of the car top offers C-shaped channel, and the left and right ends of fixed plate pass through C-shaped channel with The top inner side of car top is fixedly connected.

Preferably, the waterproof cover is located at the surface of limit switch, and the outside left end of limit switch and waterproof cover Inside left-end is slidably connected.

Preferably, offer turn trough on the inside of the bottom end of described sleeve pipe, and the left and right ends of articulated joint pass through turn trough with Rotation connection on the inside of the bottom end of casing.

Compared with prior art, the utility model has the beneficial effects that

1, it in the utility model, is realized by the casing of setting, pin shaft and upper prevention pipe and household ladder upper mechanical preventing is filled The structure set simplifies, and saves cost of manufacture, device will be prevented to move to car top while more economical, is controlled by pin shaft Pipe slewing area is prevented, well space is saved, will not interfere with carriage operation.

2, in the utility model, the waterproof function to limit switch is realized by the spring, waterproof cover and rotor plate of setting Can, it prevents limit switch water inlet from causing mechanical breakdown, elevator limit switch is avoided to damage the limit for making elevator cross normal operation Position takes precautions against cables break, carriage is avoided to fall.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model left view；

Fig. 3 is structural schematic diagram at the A of the utility model Fig. 1

Fig. 4 is structural schematic diagram at the B of the utility model Fig. 1.

In figure: preventing pipe, 3- rail horizontal rod, 4- casing, 5- pin shaft, 6- articulated joint, 7- set on 1- bump rubber, 2- Cylinder, 8- bottom tube, 9- fixed plate, 10- pedestal, 11- switch bracket, 12- limit switch, 13- spring, 14- waterproof cover, 15- rotation Plate, 16- screw, 17- car top, a-C type groove, b- turn trough.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:

A kind of household ladder upper mechanical preventing device, including bump rubber 1 and car top 17, the bottom of the bump rubber 1 End, which is fixedly connected with, prevents pipe 2, and the upper front end for preventing pipe 2 is fixedly connected with rail horizontal rod 3, the upper prevention pipe 2 Bottom end is fixedly connected with casing 4, is equipped with horizontally disposed pin shaft 5, the outside of the pin shaft 5 on the inside of the rear end face of described sleeve pipe 4 Equipped with articulated joint 6, the bottom end of the articulated joint 6 is fixedly connected with the bottom tube 8 being vertically arranged, and the front end of the bottom tube 8 is fixed to be connected It is connected to sleeve 7, the top left hand of the bottom tube 8 is fixedly connected with pedestal 10, and the inside of the pedestal 10 is equipped with screw 16, described The outside of screw 16 is equipped with fixed plate 9, and the outside of the fixed plate 9 is equipped with car top 17, and the outside of the bottom tube 8 is fixedly connected with Switch bracket 11, the rear end of the switch bracket 11 are fixedly connected with limit switch 12, the front side top of the switch bracket 11 It is fixedly connected with the spring 13 being vertically arranged, the top of the spring 13 is fixedly connected with waterproof cover 14, the waterproof cover 14 Top is rotatably connected to rotor plate 15.

The quantity of the pin shaft 5 be 4, and the inside of casing 4 and the inside of articulated joint 6 with the outer Slideslip of pin shaft 5 Connection, this set are conducive to pin shaft 5 and are inserted into fixed sleeving 4, and the top inner side of the car top 17 offers C-shaped channel a, and fixed The left and right ends of plate 9 pass through C-shaped channel a and are fixedly connected with the top inner side of car top 17, and this set is conducive to the steady of fixed plate 9 Gu the waterproof cover 14 is located at the surface of limit switch 12, and the inside of the outside left end of limit switch 12 and waterproof cover 14 Left end is slidably connected, and this set is conducive to waterproof cover 14 and water droplet is stopped to fall on limit switch 12, in the bottom end of described sleeve pipe 4 Side offers turn trough b, and the left and right ends of articulated joint 6 passes through rotation connection on the inside of the bottom end of turn trough b and casing 4, this It is provided with and is freely rotated conducive to casing 4.

The model JK16-100 limit switch of limit switch 12.

Workflow: being powered on using preceding device, when elevator is run, extracts top side pin shaft 5 out, casing 4 is pushed to turn round Dynamic, 4 rear end of casing relies on weight compression rotor plate 15, and the decline of waterproof cover 14 compresses limit switch 12, when overhauling elevator, overhauls people Member lifts folding guard rail, extracts all pin shafts 5 out, and casing 4 is inserted into sleeve 7, limit switch 12 disconnects at this time, into maintenance Mode is realized and is simplified to the structure of household ladder upper mechanical preventing device, saves cost of manufacture, will prevent to fill while more economical It sets and moves to car top, by preventing 2 slewing area of pipe in the control of pin shaft 5, saving well space will not interfere with carriage operation, The quantity of pin shaft 5 is 4, and the outside of the inside of casing 4 and the inside of articulated joint 6 with pin shaft 5 is slidably connected, and is conducive to pin Axis 5 is inserted into fixed sleeving 4, and the top inner side of car top 17 offers C-shaped channel a, and the left and right ends of fixed plate 9 pass through C-shaped channel a Be fixedly connected with the top inner side of car top 17, be conducive to the firm of fixed plate 9, waterproof cover 14 be located at limit switch 12 just on Side, and the outside left end of limit switch 12 and the inside left-end of waterproof cover 14 are slidably connected, and are conducive to waterproof cover 14 and stop water droplet It falls on limit switch 12, realizes the water-proof function to limit switch 12, prevent the water inlet of limit switch 12 from causing mechanical breakdown, It avoids elevator limit switch 12 from damaging the extreme position for making elevator cross normal operation, takes precautions against cables break, carriage is avoided to fall, Turn trough b is offered on the inside of the bottom end of casing 4, and the left and right ends of articulated joint 6 passes through on the inside of the bottom end of turn trough b and casing 4 Rotation connection, is conducive to casing 4 and is freely rotated.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of household ladder upper mechanical preventing device, including bump rubber (1) and car top (17), it is characterised in that: described slow The bottom end for rushing rubber block (1) is fixedly connected with prevention pipe (2), and the upper front end for preventing pipe (2) is fixedly connected with guardrail cross Bar (3), the upper bottom end for preventing pipe (2) are fixedly connected with casing (4), and level is equipped on the inside of the rear end face of described sleeve pipe (4) The outside of the pin shaft (5) of setting, the pin shaft (5) is equipped with articulated joint (6), and the bottom end of the articulated joint (6) is fixedly connected with perpendicular The front end of the bottom tube (8) being directly arranged, the bottom tube (8) is fixedly connected with sleeve (7), and the top left hand of the bottom tube (8) is fixed It is connected with pedestal (10), the inside of the pedestal (10) is equipped with screw (16), and the outside of the screw (16) is equipped with fixed plate (9), the outside of the fixed plate (9) is equipped with car top (17), is fixedly connected with switch bracket (11) on the outside of the bottom tube (8), The rear end of the switch bracket (11) is fixedly connected with limit switch (12), and the front side top of the switch bracket (11) is fixed to be connected It is connected to the spring (13) being vertically arranged, the top of the spring (13) is fixedly connected with waterproof cover (14), the waterproof cover (14) Top be rotatably connected to rotor plate (15).

2. a kind of household ladder upper mechanical preventing device according to claim 1, it is characterised in that: the number of the pin shaft (5) Amount is 4, and the inside of casing (4) and the inside of articulated joint (6) are slidably connected on the outside of pin shaft (5).

3. a kind of household ladder upper mechanical preventing device according to claim 1, it is characterised in that: the top of the car top (17) End inside offers C-shaped channel (a), and the left and right ends of fixed plate (9) pass through the top inner side of C-shaped channel (a) Yu car top (17) It is fixedly connected.

4. a kind of household ladder upper mechanical preventing device according to claim 1, it is characterised in that: waterproof cover (14) position In the surface of limit switch (12), and the inside left-end of the outside left end of limit switch (12) and waterproof cover (14) is slided and is connected It connects.

5. a kind of household ladder upper mechanical preventing device according to claim 1, it is characterised in that: the bottom of described sleeve pipe (4) End inside offers turn trough (b), and the left and right ends of articulated joint (6) passes through turn trough (b) and the bottom end inside of casing (4) turns Dynamic connection.