CN215710905U

CN215710905U - Speed limiter suitable for elevator lifting speed control

Info

Publication number: CN215710905U
Application number: CN202121045838.4U
Authority: CN
Inventors: 胡海龙
Original assignee: Chengdu University of Information Technology
Current assignee: Chengdu University of Information Technology
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-02-01
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a speed limiter suitable for controlling the lifting speed of an elevator, which relates to the technical field of elevator speed limiters and comprises a protection mechanism, a speed limiter body and a clamping mechanism, wherein the speed limiter body is arranged in the protection mechanism; according to the elevator safety protection device, the bottom plate is fixedly installed on an elevator through the fixing bolt, the speed limiter rope is movably connected with the speed limiter body through the through hole, the limiting plate is abutted to the protective shell through the abutting clamping block, the clamping block enters the abutting groove through the arrangement and the elastic reset principle of the compression spring A, the protective shell is further fixed on the bottom plate through the limiting plate, the speed limiter body is well protected through the protective shell, the speed limiter body is prevented from being damaged due to external factors, the problem that the existing speed limiter body is generally exposed outside and does not have any safety guarantee, and electrical appliances on the existing speed limiter body are easily short-circuited due to the fact that dust, insects or splashes invade the existing speed limiter body is solved, and therefore the service life of the speed limiter body is prolonged.

Description

Speed limiter suitable for elevator lifting speed control

Technical Field

The utility model relates to the technical field of elevator speed limiters, in particular to a speed limiter suitable for controlling the lifting speed of an elevator.

Background

An elevator speed limiter is one of safety control components in an elevator safety protection system, and when an elevator in operation causes the car to overspeed or even fall due to any reason, and all other safety protection devices do not work, the speed limiter and a safety clamp perform linkage action to stop the elevator car.

According to the elevator speed limiter provided by the Chinese patent authorization publication No. CN208577309U, the elevator speed limiter comprises a centrifugal action mechanism and a first rotating wheel matched with the centrifugal action mechanism, the first rotating wheel is provided with a first matching surface matched with the centrifugal action mechanism, the first matching surface is arranged on a centrifugal motion path of the centrifugal action mechanism, the outer side surface of the first rotating wheel is provided with at least one first stop block, the elevator speed limiter further comprises a mechanical trigger mechanism, the mechanical trigger mechanism is provided with a first fixed seat, the first fixed seat is fixedly connected with a first clamping block, the first fixed seat is rotatably connected with a second clamping block, the first clamping block and the second clamping block are arranged oppositely, one side of the second clamping block facing the first stop block is provided with an extending end, the extending end is arranged on the rotation path of the first stop block, the centrifugal action mechanism is prevented from directly acting on the mechanical trigger mechanism, the mechanical trigger mechanism is effectively protected, and the problem that the centrifugal action mechanism directly acts on the mechanical trigger mechanism can be solved, the elevator speed limiter has the advantages that the mechanical trigger mechanism is easy to damage, but the elevator speed limiter is exposed outside without any safety guarantee, and is easy to be invaded by dust, insects or splashes to cause short circuit of electric appliances on the elevator speed limiter, so that the elevator speed limiter cannot play a role in controlling the lifting speed of the elevator, the safe operation of the elevator and the life safety of people when the people take the elevator cannot be ensured, and the loss of life and property is easy to cause.

Therefore, it is necessary to provide a speed limiter suitable for controlling the lifting speed of an elevator to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a speed limiter suitable for controlling the lifting speed of an elevator, which solves the problems that the existing speed limiter of the elevator is generally exposed outside, has no any safety guarantee and is easy to be invaded by dust, insects or splashes to cause short circuit of electric appliances on the speed limiter.

In order to solve the technical problem, the speed limiter suitable for controlling the lifting speed of the elevator provided by the utility model comprises a protection mechanism, a speed limiter body and a clamping mechanism, wherein the speed limiter body is arranged in the protection mechanism;

the protection mechanism comprises a bottom plate, two limiting plates, a protection shell and two through holes, the speed governor body is fixedly arranged at the top of the bottom plate, the two limiting plates are fixedly arranged on the upper surface of the bottom plate, the protection shell is sleeved outside the speed governor body, the limiting plates are abutted against the protection shell, and the two through holes penetrate through the top of the protection shell;

the clamping mechanism comprises an installation cavity, a compression spring A, a clamping block, a butt joint groove, a sliding block, an insertion rod, a touch plate, a compression spring B, a placing cavity and a compression spring C, the installation cavity is formed in one side of the limiting plate, the compression spring A is fixedly installed in the installation cavity, the clamping block is fixedly connected with the compression spring A, the butt joint groove is formed in the inner wall of the protective shell, the installation cavity and the butt joint groove are matched with the clamping block, the sliding block is in sliding connection with the inner wall of the butt joint groove, the insertion rod is inserted in the protective shell, one end of the insertion rod extending into the butt joint groove is fixedly connected with the sliding block, the touch plate is fixedly connected with the other end of the insertion rod, the compression spring B is sleeved outside the insertion rod, two ends of the compression spring B are respectively fixedly connected with the protective shell and the touch plate, the placing cavity is formed in the bottom of the protective shell, and the compression spring C is fixedly connected with the inner top wall of the placing cavity.

Preferably, the four corners of the top of the bottom plate are in threaded connection with fixing bolts, and the fixing bolts are arranged, so that the mounting and dismounting of the utility model are facilitated, and the utility model is stable after mounting.

Preferably, the outside cover of fixing bolt is equipped with the gasket, the gasket is located between bottom plate and the fixing bolt, through setting up the gasket, reduces the pressure between bottom plate and the fixing bolt to it is not hard up to prevent that fixing bolt from.

Preferably, the vent has all been seted up to the left and right sides of protecting crust, and the inside and outside air exchange of protecting crust is convenient for through setting up the vent, and then the inside overspeed governor body of protecting crust of being convenient for ventilates, makes the overspeed governor body be difficult for the damage of weing.

Preferably, the installing frame is all installed to the left and right sides of protecting crust, the inner wall fixed mounting of installing frame has the filter screen, the dust in the air can directly be filtered under the circumstances that the air is unblocked in the assurance protecting crust through setting up the filter screen to vent and filter screen looks adaptation to the internal environment of protecting crust has been ensured, and then ensures that the overspeed governor body is difficult for receiving external factors and damaging.

Preferably, all seted up a plurality of screw holes on protecting crust and the installing frame, the installing frame passes through adjusting bolt fixed mounting on the protecting crust, through setting up adjusting bolt and screw hole, easy to assemble and dismantlement installing frame, and then is convenient for wash the filter screen.

Preferably, the top of the protective shell is fixedly provided with a handle which is arc-shaped, and the handle is arranged, so that an operator can move the protective shell conveniently, and the practicability of the utility model is further improved.

Preferably, the outer wall of the handle is fixedly provided with an anti-slip sleeve, anti-slip particles are integrally formed on the outer surface of the anti-slip sleeve, and the anti-slip sleeve is arranged to increase the friction force between the hand and the handle, so that the phenomenon of hand release is avoided.

Compared with the prior art, the speed limiter suitable for controlling the lifting speed of the elevator provided by the utility model has the following beneficial effects:

1. in the utility model, the bottom plate is fixedly arranged on the elevator through the fixing bolt, the speed governor rope is movably connected with the speed governor body through the through hole, the limiting plate is butted with the protective shell through the collision clamping block, by arranging and utilizing the elastic reset principle of the compression spring A, the fixture block enters the butt joint groove, and the protective shell is fixed on the bottom plate through the limiting plate, in the process, the slide block is far away from the limit plate by arranging and utilizing the elasticity of the compression spring B, so that the limit plate is convenient to be butted with the protective shell, carry out fine protection to the overspeed governor body through the protecting crust, avoid causing the damage of overspeed governor body because of external factor, solved current overspeed governor body and generally exposed outside and do not have any safety guarantee, be invaded the problem that leads to electrical apparatus short circuit above that easily by dust, insect or splash to the life of overspeed governor body has been prolonged.

2. According to the utility model, the sliding block abuts against the abutting plate, the sliding block moves along with the abutting plate through the insertion rod, when the clamping block is completely separated from the abutting groove, the protective shell is far away from the bottom plate by utilizing the elastic reset principle of the compression spring C, so that the speed limiter body is convenient to overhaul, the installation and the disassembly of the speed limiter are facilitated by arranging the fixing bolt, the speed limiter is stable after being installed, the pressure between the bottom plate and the fixing bolt is reduced by arranging the gasket, and the fixing bolt is prevented from loosening.

Drawings

Fig. 1 is a schematic view showing the overall construction of a speed governor suitable for elevator hoist speed control;

fig. 2 is a schematic sectional view showing a protective housing of a speed governor for controlling a lifting speed of an elevator;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numbers in the figures: 1. a base plate; 2. a speed limiter body; 3. a limiting plate; 4. a protective shell; 5. a mounting cavity; 6. compressing the spring A; 7. a clamping block; 8. a butt joint groove; 9. a slider; 10. inserting a rod; 11. a touch plate; 12. a compression spring B; 13. a placement chamber; 14. a compression spring C; 15. a through hole; 16. fixing the bolt; 17. a gasket; 18. a vent; 19. installing a frame; 20. filtering with a screen; 21. adjusting the bolt; 22. a grip; 23. an anti-slip sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, a speed governor suitable for controlling the lifting speed of an elevator comprises a protection mechanism, a speed governor body 2 and a clamping mechanism, wherein the speed governor body 2 is installed inside the protection mechanism;

the protection mechanism comprises a bottom plate 1, two limiting plates 3, a protection shell 4 and two through holes 15, wherein the speed governor body 2 is fixedly arranged at the top of the bottom plate 1, the two limiting plates 3 are fixedly arranged on the upper surface of the bottom plate 1, the protection shell 4 is sleeved outside the speed governor body 2, the limiting plates 3 are abutted against the protection shell 4, and the two through holes 15 are arranged at the top of the protection shell 4 in a penetrating manner;

the clamping mechanism comprises a mounting cavity 5, a compression spring A6, a clamping block 7, a butt joint groove 8, a sliding block 9, an insert rod 10, a touch plate 11, a compression spring B12, a placing cavity 13 and a compression spring C14, wherein the mounting cavity 5 is arranged on one side of the limiting plate 3, the compression spring A6 is fixedly arranged in the mounting cavity 5, the clamping block 7 is fixedly connected with the compression spring A6, the butt joint groove 8 is arranged on the inner wall of the protective shell 4, the mounting cavity 5 and the butt joint groove 8 are both matched with the clamping block 7, the sliding block 9 is in sliding connection with the inner wall of the butt joint groove 8, the insert rod 10 is inserted in the protective shell 4, one end of the insert rod 10 extending into the butt joint groove 8 is fixedly connected with the sliding block 9, the touch plate 11 is fixedly connected with the other end of the insert rod 10, the compression spring B12 is sleeved outside the insert rod 10, two ends of the compression spring B12 are respectively fixedly connected with the protective shell 4 and the touch plate 11, the placing cavity 13 is arranged at the bottom of the protective shell 4, the compression spring C14 is fixedly connected with the inner top wall of the placing cavity 13.

In this embodiment: the type of the speed limiter body 2 is TYPEG-272.

In the second embodiment, on the basis of the first embodiment, the four corners of the top of the bottom plate 1 are all in threaded connection with the fixing bolts 16, and the fixing bolts 16 are arranged, so that the installation and the disassembly of the utility model are facilitated, and the utility model is more stable after being installed.

In the third embodiment, on the basis of the second embodiment, the gasket 17 is sleeved outside the fixing bolt 16, the gasket 17 is located between the bottom plate 1 and the fixing bolt 16, and by arranging the gasket 17, the pressure between the bottom plate 1 and the fixing bolt 16 is reduced, and the fixing bolt 16 is prevented from loosening.

Fourth, on the basis of first embodiment, vent 18 has all been seted up to the left and right sides of protecting crust 4, and the inside and outside air exchange of protecting crust 4 is convenient for through setting up vent 18, and then the inside overspeed governor body 2 of protecting crust 4 of being convenient for ventilates, makes overspeed governor body 2 be difficult for the damage of weing.

Fifth, on fourth embodiment's basis, installing frame 19 is all installed to the left and right sides of protecting crust 4, and the inner wall fixed mounting of installing frame 19 has filter screen 20, and vent 18 and filter screen 20 looks adaptation through setting up filter screen 20, under the circumstances that guarantees the air is unblocked in protecting crust 4, can directly filter the dust in the air to the internal environment of protecting crust 4 has been ensured, and then ensures that overspeed governor body 2 is difficult for receiving external factors and damages.

Sixth, on the basis of fifth embodiment, all seted up a plurality of screw holes on protecting crust 4 and the installing frame 19, installing frame 19 passes through adjusting bolt 21 fixed mounting on protecting crust 4, and through setting up adjusting bolt 21 and screw hole, easy to assemble and dismantlement installing frame 19, and then be convenient for wash filter screen 20.

Seventh, on the basis of the first embodiment, the top of the protective shell 4 is fixedly provided with the handle 22, the handle 22 is arc-shaped, and the handle 22 is arranged to facilitate the operator to move the protective shell 4, thereby improving the practicability of the present invention.

Eighth embodiment, on the basis of seventh embodiment, the outer wall of the grip 22 is fixedly provided with the anti-slip sleeve 23, the outer surface of the anti-slip sleeve 23 is integrally formed with the anti-slip particles, and by arranging the anti-slip sleeve 23, the friction force between the hand and the grip 22 is increased, thereby avoiding the occurrence of the hand drop phenomenon.

The working principle is as follows:

when the utility model is installed:

the bottom plate 1 is fixedly arranged on an elevator through a fixing bolt 16, a speed limiter rope is movably connected with the speed limiter body 2 through a through hole 15, a limit plate 3 is abutted against a protective shell 4 through an abutting block 7, the block 7 enters the abutting groove 8 through arrangement and by utilizing the elastic reset principle of a compression spring A6, the protective shell 4 is further fixed on the bottom plate 1 through the limit plate 3, in the process, a slide block 9 is far away from the limit plate 3 through arrangement and utilization of the elasticity of a compression spring B12, the limit plate 3 is further convenient to abut against the protective shell 4, the speed limiter body 2 is well protected through the protective shell 4, the damage of the speed limiter body 2 caused by external factors is avoided, the problem that the existing speed limiter body 2 is generally exposed outside without any safety guarantee and is easily invaded by dust, insects or splashes to cause short circuit of electric appliances on the speed limiter body 2 is solved, thereby prolonging the service life of the speed limiter body 2;

when the utility model is overhauled:

conflict and support touch panel 11, slider 9 follows through inserted bar 10 and supports touch panel 11 and remove, makes fixture block 7 when breaking away from the butt joint groove 8 completely, through the elasticity principle that resets that utilizes compression spring C14, keeps away from bottom plate 1 with protecting crust 4, and then convenient to overhaul overspeed governor body 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The speed governor suitable for controlling the lifting speed of the elevator is characterized by comprising a protection mechanism, a speed governor body (2) and a clamping mechanism, wherein the speed governor body (2) is installed in the protection mechanism;

the protection mechanism comprises a bottom plate (1), two limiting plates (3), a protection shell (4) and two through holes (15), the speed governor body (2) is fixedly installed at the top of the bottom plate (1), the two limiting plates (3) are fixedly installed on the upper surface of the bottom plate (1), the protection shell (4) is sleeved outside the speed governor body (2), the limiting plates (3) are abutted against the protection shell (4), and the two through holes (15) penetrate through the top of the protection shell (4);

the clamping mechanism comprises a mounting cavity (5), a compression spring A (6), a clamping block (7), a butt joint groove (8), a sliding block (9), an insert rod (10), a contact plate (11), a compression spring B (12), a placing cavity (13) and a compression spring C (14), wherein the mounting cavity (5) is arranged on one side of the limiting plate (3), the compression spring A (6) is fixedly arranged in the mounting cavity (5), the clamping block (7) is fixedly connected with the compression spring A (6), the butt joint groove (8) is arranged on the inner wall of the protective shell (4), the mounting cavity (5) and the butt joint groove (8) are matched with the clamping block (7), the sliding block (9) is connected with the inner wall of the butt joint groove (8) in a sliding manner, the insert rod (10) is inserted into the protective shell (4), and the insert rod (10) extends to one end inside the butt joint groove (8) and is fixedly connected with the sliding block (9), support touch panel (11) and the other end fixed connection of inserted bar (10), compression spring B (12) cover is established in the outside of inserted bar (10), the both ends of compression spring B (12) respectively with protecting crust (4) and support touch panel (11) fixed connection, place the bottom at protecting crust (4) is seted up in chamber (13), compression spring C (14) and the interior roof fixed connection who places chamber (13).

2. A speed limiter suitable for elevator lifting speed control according to claim 1, characterized in that fixing bolts (16) are screwed at four corners of the top of the base plate (1).

3. A speed limiter suitable for elevator lifting speed control according to claim 2, characterized in that the fixing bolt (16) is externally sleeved with a gasket (17), and the gasket (17) is located between the base plate (1) and the fixing bolt (16).

4. The speed limiter suitable for controlling the lifting speed of an elevator is characterized in that ventilation openings (18) are formed in the left side and the right side of the protective shell (4).

5. The speed governor suitable for elevator lifting speed control of claim 4, wherein the left and right sides of the protective shell (4) are both provided with mounting frames (19), the inner wall of the mounting frame (19) is fixedly provided with a filter screen (20), and the ventilation opening (18) is matched with the filter screen (20).

6. The speed limiter suitable for controlling the lifting speed of the elevator is characterized in that the protective shell (4) and the mounting frame (19) are respectively provided with a plurality of threaded holes, and the mounting frame (19) is fixedly mounted on the protective shell (4) through an adjusting bolt (21).

7. The speed limiter suitable for controlling the lifting speed of an elevator is characterized in that a handle (22) is fixedly installed at the top of the protective shell (4), and the handle (22) is arc-shaped.

8. The speed limiter suitable for controlling the lifting speed of an elevator is characterized in that an anti-slip sleeve (23) is fixedly mounted on the outer wall of the handle (22), and anti-slip particles are integrally formed on the outer surface of the anti-slip sleeve (23).