CN111217225A

CN111217225A - Silence meal ladder slide rail

Info

Publication number: CN111217225A
Application number: CN201910636781.6A
Authority: CN
Inventors: 周鑫; 漆凯飞; 俞富杨; 潘辉; 李红斌; 陈锡加
Original assignee: Shun Da Bo Nai Te Elevator Co ltd
Current assignee: Shun Da Bo Nai Te Elevator Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-02
Anticipated expiration: 2039-07-15
Also published as: CN111217225B

Abstract

The invention discloses a silent dining ladder slide rail which comprises a slide rail and a slide block matched with the slide rail, wherein a steel ball is arranged at one end of the slide block, which is in contact with the slide rail, a ball pocket is arranged at the position corresponding to the slide block, the steel ball is embedded in the ball pocket, one end of the steel ball, which is close to the slide rail, protrudes out of the end surface of the slide block, which is in contact with the slide rail, and a rolling groove is arranged at the. The dining elevator door plate only has rolling friction in the moving process, so that noise caused by sliding friction with the sliding rail is avoided, silent opening and closing of the dining elevator door plate are maintained, lubricating oil is intermittently sprayed on the steel ball, the friction among the steel ball, the ball pocket and the sliding rail is reduced, and the service life of a pot of lubricating oil is prolonged.

Description

Silence meal ladder slide rail

Technical Field

The invention relates to a slide rail, in particular to a slide rail of a silent dining ladder.

Background

At present, with the progress of science and technology, the application range of the sliding door is increasingly wider and wider, and the existing sliding door is generally completed by a sliding rail, for example, a "door sliding plate assembly of a passenger elevator" disclosed in chinese patent literature, whose publication No. CN105035919A includes a door sliding rail, a door sliding plate capable of moving along the length extension direction of the door sliding rail, wherein the door sliding rail includes a sliding rail body, a positioning rail disposed on the sliding rail body and extending along the length direction of the sliding rail body, the door sliding plate assembly further includes a plurality of guide rollers fixedly disposed on the door sliding plate and capable of being rollably disposed on the positioning rail, and a plurality of auxiliary rollers capable of being adjustably disposed on the door sliding plate along the up-down direction of the door sliding plate, wherein the guide rollers are hung on the positioning rail, and the upper portion of each auxiliary roller is abutted against the bottom of the positioning rail. When the elevator door plate is shaken, the roller in the sliding rail can rub with the side wall of the sliding rail, so that the rolling friction during the movement of the elevator becomes sliding friction, and noise is generated in the friction process.

Disclosure of Invention

The invention provides a silent dining ladder slide rail for overcoming the problem of noise generated by shaking of a door plate of an existing elevator in the motion process, so that the door plate cannot generate noise even if the door plate is accidentally shaken.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a silence dining ladder slide rail, includes the slide rail and with slide rail complex slider, the slider is equipped with the steel ball with slide rail contact one end, the slider corresponds the position and is equipped with the ball pocket, the steel ball inlays in the ball pocket, and the steel ball is close to slide rail one end protrusion slider and slide rail contact one end terminal surface, and the slide rail corresponds the position and is equipped with the roll groove, the terminal surface shape laminating steel ball shape in the roll groove. When the side end face of the pulley contacts the slide rail, the conventional wheel type slide rail generates sliding friction, thereby generating noise during friction and significantly increasing sliding resistance. The scheme replaces the pulley of the sliding block contacting with the sliding rail with the steel ball, because the inner surface shape of the ball pocket is attached with the steel ball and the inner surface shape of the rolling groove is also attached with the steel ball, when the sliding direction of the sliding block deviates, the steel ball is matched with the ball pocket and the rolling groove, the friction between the sliding block and the sliding rail can still be rolling friction,

preferably, an oil groove used for spraying lubricating oil mist to the steel ball is arranged in the slide rail, the oil groove is located at the position, close to the steel ball, of the inner end face of the slide rail, an oil receiving port is formed in the position, close to the oil groove, of the ball pocket, the oil groove is arranged along the motion direction of the slide block, a groove is formed in the position, corresponding to the position, of the inner end face of the slide rail, the groove is parallel to the oil groove, the groove is communicated with the oil groove through a pipeline groove, an oil storage pot is arranged in the slide block, a pressurizing mechanism is arranged in the oil storage pot, an oil nozzle is arranged in the oil groove and right opposite to the. The oil nozzle can spray lubricating oil into the ball pocket, and the lubricating oil has the function of forming an oil film between the ball pocket and the steel ball and between the steel ball and the rolling groove so as to reduce the friction force when the steel ball rolls and achieve the silencing effect. Because the steel ball can roll on a rolling groove, lubricating oil can constantly remain on the rolling groove, and the lubricating oil of staying in the ball pocket reduces gradually, influences lubricated effect, consequently sets up the fuel sprayer and slides along with the slider in the oil groove to at any time to supplementary lubricating oil in the ball pocket.

Preferably, the pressurizing mechanism comprises a support, a first push rod, a second push rod and a pressure cavity, the inner wall of the groove is provided with a wave structure, one end of the first push rod is in contact with the wave structure, the first push rod is in sliding connection with the support through a chute, the other end of the first push rod is in sliding connection with the upper end of the second push rod through a bevel structure, a spring used for resetting is arranged between the second push rod and the support, the lower end of the second push rod is provided with a piston, the piston is located in the pressure cavity, a through hole is formed in the piston and the second push rod, a first one-way valve is arranged in the through hole, one end of an opening of the through hole is located at the upper part of the second push rod, the other end of the opening of the through hole is located at the end face of the lower. In order to enable the lubricating oil in the oil storage pot to be used for as long as possible, the oil nozzle intermittently sprays the lubricating oil into the ball pocket by the design of the scheme. The wave crest of the wavy structure extending towards the inside of the open groove is the position of presetting triggering and spraying lubricating oil, and the pressurizing mechanism is triggered once when passing through the wave crest once, so that intermittent lubricating oil supplement in the ball pocket is completed, excessive lubricating oil is prevented from being sprayed, the capacity of the ball pocket is prevented from exceeding the capacity of the ball pocket, and the excessive lubricating oil overflows out of the rolling groove, so that waste is caused. Through the distance setting between two adjacent wave crests of the wavy structure, the triggering frequency can be determined according to the actual condition, and therefore the maximization of the utilization rate of the lubricating oil is achieved. The pressurizing mechanism mainly utilizes two one-way valves, when the second push rod drives the piston to be pulled outwards, negative pressure is formed in the pressure cavity, the second one-way valve prevents lubricating oil from entering the pressure cavity, therefore, air enters the pressure cavity from the through hole, when the second push rod drives the piston to be pressed downwards, the first one-way valve prevents the air in the pressure cavity from being discharged from the through hole, the air enters the oil storage pot from the second one-way valve, the air pressure in the oil storage pot is increased, and under the action of the air pressure, the lubricating oil is sprayed out from the oil nozzle along the rigid pipeline.

Preferably, the inner walls of the two sides of the groove are symmetrically provided with wave structures respectively, the first push rod comprises a first left push rod and a first right push rod, the first left push rod and the first right push rod are in contact with the wave structures on the two sides of the groove respectively, and the first left push rod and the first right push rod are in sliding connection with the second push rod through the inclined plane structures respectively. The wave structure that the symmetry set up for thrust that first left push rod and first right push rod wholly caused the loading mechanism at flexible in-process offsets, thereby has avoided loading mechanism during operation, and the slider wholly takes place the moving trajectory skew.

Preferably, the pressurizing mechanism comprises a support, an oil pump and a pressure sensor, the inner wall of the groove is provided with a wave-shaped structure, a signal input end of the pressure sensor is provided with a push rod, the push rod is connected with the support in a sliding mode through a spring and a sliding groove, the spring and the sliding groove are used for resetting, the other end of the pressure sensor is electrically connected with the oil pump, an oil inlet of the oil pump is located in the oil storage pot, and an oil outlet of the oil pump is. The oil pump is matched with the pressure sensor, so that the pressurizing mechanism is simplified, and the reliability of the mechanism is improved. The push rod is in the contact process with the wave structure, and peak position all can produce input signal to pressure sensor because self displacement in every department to make pressure sensor produce the rotation that signal of telecommunication arouses the oil pump, thereby with lubricating oil along rigidity pipeline pump to fuel sprayer.

Preferably, the ball pocket is located on the ball pocket seat, and the ball pocket seat is fixedly connected with the sliding block through bolts. The ball pocket seat is connected with the sliding block through the bolts, so that the steel balls can be conveniently dismounted and mounted and subsequently maintained and replaced.

Preferably, the steel balls are symmetrically arranged on two sides of the end face of one end, in contact with the slide rail, of the slide block. The connecting part of the dining ladder door plate and the sliding block is arranged in the middle of the sliding block, and the steel balls are symmetrically arranged on two sides, so that the lateral acting force of the door plate can be uniformly transmitted to the steel balls on two sides in the operation process of the sliding block, and the condition that the acting force is not uniform between the sliding block and the sliding rail when the door plate is accidentally rocked is avoided.

Therefore, the invention has the following beneficial effects: (1) the dining elevator door plate only has rolling friction in the moving process, so that the sliding friction with the sliding rail is avoided to generate noise, and the silent opening and closing of the dining elevator door plate are maintained; (2) lubricating oil is intermittently sprayed on the steel ball, so that the friction between the steel ball and the ball pocket as well as between the steel ball and the sliding rail is reduced, and the service life of one kettle of lubricating oil is prolonged.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a sectional view of the pressing mechanism of the present invention.

FIG. 3 is a schematic diagram of the wavy structure of the present invention.

Fig. 4 is another schematic structure of the present invention.

In the figure: 1. the oil storage device comprises a sliding block 2, a ball pocket seat 3, a steel ball 4, a sliding rail 5, an oil storage pot 6, a pressurizing mechanism 7, a slot 8, a pipeline groove 9, an oil groove 10, a rigid pipeline 11, an oil nozzle 12, an oil receiving port 13, a ball pocket 14, a rolling groove 15, a first left push rod 16, a first right push rod 17, a diagonal plane structure 18, a support 19, a second push rod 20, a piston 21, a first check valve 22, a second check valve 23, a through hole 24, a wave-shaped structure 25, a wave crest 26, a pressure sensor 27, an oil pump 28 and push rods.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Example 1

In the embodiment shown in fig. 1, 2 and 3, a silent dining ladder slide rail 4 is characterized in that a plurality of slide blocks 1 are symmetrically connected to two sides of a dining ladder door plate, a door plate connecting point is arranged in the middle of each slide block 1, ball pockets 13 are symmetrically arranged on two sides of the door plate connecting point, one ball pocket is arranged on each side, each ball pocket 13 is located on a ball pocket 13 seat 2, and the ball pocket 13 seats 2 are fixed to the slide blocks 1 through bolts. The steel ball 3 for reducing friction is positioned in the ball pocket 13, the part of the steel ball 3 protruding out of the ball pocket 13 is contacted with the slide rail 4 of the dining ladder, the corresponding position on the slide rail 4 is provided with a rolling groove 14 for fitting the surface shape of the steel ball 3, and the ball pocket 13 is also provided with an oil receiving port 12 near the rolling groove 14. Be equipped with an oil storage pot 5 in slider 1, oil storage pot 5 is used for holding lubricating oil, and oil storage pot 5 is connected with a rigid pipeline 10, is close to oil storage pot 5 department at 4 inner walls of slide rail and is equipped with fluting 7, is close to the oil receiving port 12 department at 4 inner walls of slide rail and is equipped with oil groove 9, and oil groove 9 all is parallel with slider 1 direction of motion with fluting 7 direction, communicates through pipe chute 8 between oil groove 9 and the fluting 7. The rigid pipe 10 is connected at one end to the oil reservoir 5 and at the other end to an oil injector 11 and passes through the slot 7, through the pipe channel 8 and finally out of the oil channel 9 opening towards the oil receiver 12. Be provided with the loading system 6 in the oil storage kettle 5, loading system 6 one end is first left push rod 15 and first right push rod 16, first left push rod 15 and first right push rod 16 cooperate the wavy structure 24 that slot 7 both sides inner wall symmetry set up, wherein first left push rod 15 and the mutual one end tip that is close to of first right push rod 16 are equipped with scarf structure 17 respectively, the scarf is downward, two scarf cooperates with the top of second push rod 19 respectively and realizes sliding connection, second push rod 19 stretches into the pressure chamber, its lower extreme is equipped with piston 20, piston 20 and the inside perforating hole 23 that is equipped with of second push rod 19, the one end opening of perforating hole 23 is located piston 20 lower extreme, the other end opening is located second push rod 19 top end face, be equipped with a first check valve 21 in the perforating hole 23. A second check valve 22 is provided on an end surface of the pressure chamber facing the lower end surface of the piston 20. The first left push rod 15, the first right push rod 16 and the second push rod 19 are respectively connected with the bracket 18 for realizing the restraint effect in a sliding mode through sliding grooves, and a spring for returning is further arranged between the second push rod 19 and the bracket 18.

When the door plate of the dining elevator starts to slide, the door plate drives the sliding block 1 to move on the sliding rail 4, the steel ball 3 rolls along the path of the rolling groove 14 on the sliding rail 4 under the restraint of the ball pocket 13 and the rolling groove 14, so that only rolling friction exists between the sliding block 1 and the sliding rail 4, even if the door plate shakes, the rolling track of the steel ball 3 deviates, and due to the shape of the steel ball 3, the steel ball 3 is still in a rolling state in the ball pocket 13 and the rolling groove 14, so that only rolling friction force still exists between the sliding block 1 and the sliding rail 4, and the effects of silence and low damping are achieved. In the sliding process of the sliding block 1, the wave crest 25 structure of the external protrusion close to the central axis of the slot 7 in the wavy structure 24 intermittently extrudes the first left push rod 15 and the second right push rod, the two push rods move inwards mutually under the extrusion effect, the second push rod 19 is extruded to move downwards through the inclined plane structure 17, the piston 20 at the lower end of the second push rod 19 further extrudes air in the pressure cavity, due to the effect of the first check valve 21, the through hole 23 is in a closed state at the moment, so that the extruded air can only enter the oil storage pot 5 from the second check valve 22, the air pressure in the oil storage pot 5 is increased, lubricating oil is finally ejected from the oil nozzle 11 along the rigid pipeline 10 under the air pressure effect, and enters the ball pocket 13 from the oil receiving port 12, and the lubrication of the steel ball 3 is completed. When the sliding block 1 slides to the wave trough between the two wave crests 25, the extrusion action disappears, the second push rod 19 moves in the reverse direction under the action of the spring, negative pressure appears in the pressure cavity at the moment, lubricating oil in the oil storage pot 5 cannot enter the pressure cavity due to the action of the second one-way valve 22, and outside air enters the pressure cavity along the through hole 23 to be used as pressure storage for the sprayed lubricating oil behind the pressure cavity.

Example 2

In the embodiment shown in fig. 4, a push rod 28 is provided at a signal input end of the pressure sensor 26, the push rod 28 is slidably connected with the bracket 18 through a spring and a sliding groove for resetting, the other end of the pressure sensor 26 is electrically connected with an oil pump 27, an oil inlet of the oil pump 27 is located in the oil storage pot, and an oil outlet of the oil pump 27 is connected with the rigid pipeline 10. During the contact process of the push rod 28 with the wavy structure, at each peak position, an input signal is generated to the pressure sensor 26 due to the self displacement, so that the pressure sensor 26 generates an electric signal to excite the rotation of the oil pump 27, and therefore, the lubricating oil is pumped to the oil injection nozzle along the rigid pipeline 10. Other parts of this example are the same as example 1.

Claims

1. The utility model provides a silence dining ladder slide rail, includes the slide rail and with slide rail complex slider, characterized by the slider is equipped with the steel ball with slide rail contact one end, the slider corresponds the position and is equipped with the ball pocket, the steel ball inlays in the ball pocket, and the steel ball is close to slide rail one end protrusion slider and slide rail contact one end terminal surface, and the slide rail corresponds the position and is equipped with the roll groove, the terminal surface shape laminating steel ball shape in the roll groove.

2. The silent dining ladder slide rail according to claim 1, wherein an oil groove for spraying lubricant mist to the steel ball is provided in the slide rail, the oil groove is located at an inner end surface of the slide rail near the steel ball, an oil receiving port is provided at a position of the ball pocket near the oil groove, the oil groove is arranged along a moving direction of the slide block, a slot is provided at a position corresponding to the inner end surface of the slide rail, the slot is arranged in parallel with the oil groove, the slot is communicated with the oil groove through a pipeline, an oil storage can is provided in the slide block, a pressurizing mechanism is provided in the oil storage can, an oil nozzle is provided at a position in the oil groove just opposite to the oil receiving port, the oil nozzle is connected with the oil storage can.

3. The slide rail of claim 2, wherein the pressurizing mechanism comprises a support, a first push rod, a second push rod and a pressure chamber, the inner wall of the groove is provided with a wave-shaped structure, one end of the first push rod is contacted with the wave-shaped structure, the first push rod is connected with the bracket in a sliding way through a sliding chute, the other end of the first push rod is connected with the upper end of the second push rod in a sliding way through a bevel section structure, a spring for resetting is arranged between the second push rod and the bracket, the lower end of the second push rod is provided with a piston, the piston is positioned in the pressure cavity, through holes are arranged in the piston and the second push rod, a first one-way valve is arranged in the through holes, one end of the through hole opening is positioned at the upper part of the second push rod, the other end of the through hole opening is positioned on the end surface of the lower part of the piston, the end surface of the pressure cavity, which is opposite to the end surface of the lower part of the piston, is provided with a second one-way valve, and the pressurizing mechanism is fixedly connected in the cavity of the oil storage kettle.

4. The slide rail of a silent dining ladder as claimed in claim 3, wherein the inner walls of the two sides of the slot are symmetrically provided with wave-shaped structures, the first push rod comprises a first left push rod and a first right push rod, the first left push rod and the first right push rod are respectively contacted with the wave-shaped structures of the two sides of the slot, and the first left push rod and the first right push rod are respectively connected with the second push rod in a sliding manner through inclined plane structures.

5. The slide rail of silent dining ladder of claim 2, wherein said pressurizing mechanism comprises a support, an oil pump and a pressure sensor, said grooved inner wall has a wave structure, said pressure sensor has a push rod at its signal input end, said push rod and support are slidably connected through a spring for resetting and a rolling groove, the other end of said pressure sensor is electrically connected to said oil pump, the oil inlet of said oil pump is located in said oil storage pot, and the oil outlet of said oil pump is connected to a rigid pipeline.

6. The slide rail of a silent dining ladder as claimed in claim 1, wherein the ball pocket is located on the ball pocket seat, and the ball pocket seat is fixedly connected with the slide block through a bolt.

7. A slide rail for a silent dining ladder as claimed in any one of claims 1 to 6, wherein said steel balls are symmetrically disposed on both sides of the end surface of the slide block contacting the slide rail.