CN209949620U

CN209949620U - Synchronous lifting mechanism

Info

Publication number: CN209949620U
Application number: CN201920175465.9U
Authority: CN
Inventors: 王招娣; 郭瑞; 贾进文; 姚龙
Original assignee: Yagura International Precision Industry Suzhou Co Ltd
Current assignee: Yagura International Precision Industry Suzhou Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-14
Anticipated expiration: 2029-01-31

Abstract

The utility model discloses a synchronous lifting mechanism lifts pole, two rack fixed plates, two racks, a driving gear, a driven gear, a pivot, two pivot mount pads, a motor gear and a panel by two slide rails, two and lift up the board, two and constitute. The utility model discloses an optimize the rack and pinion mechanism in the lifting mechanism, not only improve one set of rack and pinion mechanism of tradition into two sets to adopt the pivot that has driving gear and driven gear, drive two sets of rack and pinion mechanism motions simultaneously, improved rack and pinion's motion mode moreover, move traditional gear movable rack motionlessly, improve to gear motionless rack and move, improved the synchronism and the stability of lifting mechanism greatly, prolonged lifting mechanism life. The utility model discloses still be equipped with a lifting pole spacing induction system who is used for stopping motor corotation or reversal, can avoid because of operating personnel forgets the mechanism damage that causes of stopping motor work.

Description

Synchronous lifting mechanism

Technical Field

The utility model belongs to the technical field of the slide rail, concretely relates to synchronous lifting mechanism is applied to lifting control panel on the large-scale box equipment.

Background

Many large-scale box equipment's producers can improve the control panel of original fixed mounting on the equipment box for angle-adjustable control panel in order to embody the hommization, and this just needs to use the lifting mechanism who is used for lifting control panel to help control panel slightly lift up and upwards overturn by the vertical state, thereby the staff of being convenient for operates on control panel more comfortably, also can make things convenient for the level to take out box equipment's cabinet. However, the rack of the gear and rack mechanism adopted by the existing lifting mechanism is almost fixed, and the gear moves on the rack, so that the gear on the driven side can twist when moving, and the synchronism and stability of the lifting mechanism are poor, thereby not only seriously affecting the experience of operators, but also even affecting the service life of the lifting mechanism.

SUMMERY OF THE UTILITY MODEL

In order to compensate above-mentioned prior art's defect, the utility model provides a synchronous lifting mechanism aims at improving synchronism and stability when lifting mechanism moves to improve operating personnel's experience and feel, prolong lifting mechanism life.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a synchronous lifting mechanism comprises two slide rails, two lifting plates, two lifting rods, two rack fixing plates, two racks, a driving gear, a driven gear, a rotating shaft, two rotating shaft mounting seats, a motor gear and a panel;

the two slide rails are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two slide rails are respectively and fixedly arranged on the inner walls of the left side and the right side of the box type equipment box body, and the inner frames of the two slide rails are respectively and fixedly provided with one rack fixing plate; the lower ends of the two rack fixing plates are respectively provided with one rack, and the mounting direction of the racks is parallel to the moving direction of the sliding rail;

the rotating shaft is fixed on a middle cabinet bottom plate of the box type equipment through two rotating shaft mounting seats with shaft sleeves, the left end and the right end of the rotating shaft are respectively sleeved with the driving gear and the driven gear, the driving gear and the driven gear are respectively meshed with the left rack and the right rack, the motor is mounted on the rotating shaft mounting seat positioned on one side of the driving gear, a driving shaft of the motor is parallel to the rotating shaft, the driving shaft of the motor is provided with the motor gear, and the motor gear is meshed with the driving gear;

the two lifting plates are respectively arranged at the front ends of the two sliding rails, the outer side surfaces of the two lifting plates are respectively fixedly connected with the inner walls of the left side and the right side of the box type equipment box body, and the inner side surfaces of the two lifting plates are respectively provided with a lifting track; the tail ends of the two lifting rods are respectively hinged with the two rack fixing plates, the middle parts of the two lifting rods are respectively movably connected with the two lifting tracks through rolling shafts, and the front ends of the two lifting rods are jointly provided with the panel.

Furthermore, a supporting column is arranged on the lifting rod and is positioned between the rolling shaft in the middle of the lifting rod and a hinge point at the tail end of the lifting rod; the rack fixing plate is provided with a fan-shaped hole, the position of the fan-shaped hole corresponds to that of the supporting column, and the supporting column is movably arranged in the fan-shaped hole and plays a role in assisting the operation of the lifting rod.

Furthermore, the synchronous lifting mechanism is provided with a lifting rod limiting and sensing device for stopping the forward rotation or the reverse rotation of the motor, so that the mechanism damage caused by the fact that an operator forgets to stop the motor is avoided.

Preferably, the lifting rod limit sensing device comprises two micro switches arranged in the front and back direction of the side face of the rotating shaft mounting seat and two limit blocks arranged at the front end and the back end of the bottom of the rack fixing plate, wherein the micro switches are located between the limit blocks and connected with the motor to stop the motor to rotate forwards or backwards.

Preferably, the two microswitches and the motor are arranged on the same rotating shaft mounting seat, so that the length of a circuit is reduced.

Further, the lifting track has flat track, inclined track and last flat track to constitute down in proper order from the back to the front, flat track is used for down the lifting pole is retrieved the back the holding of roller bearing, the inclined track is used for lifting the lifting pole lifting when taking out, last flat track is used for the lifting pole takes out the back the holding of roller bearing avoids simultaneously because of operating personnel is right the pushing down of panel leads to the circumstances that the lifting pole fell back to and avoid when the motor cuts off the power supply suddenly, the panel falls the circumstances along inclined track because of gravity.

Further, the motor is connected with a remote control device or a button arranged on the panel, and the motor rotates forwards or backwards to receive the control of the remote control device or the button on the panel.

Preferably, the motor can be fixed in the middle of the middle cabinet bottom plate through an independent motor mounting seat, the driving gear is mounted in the middle of the rotating shaft and meshed with a motor gear on the motor driving shaft, the driven gears are mounted at two ends of the rotating shaft respectively and meshed with the left rack and the right rack respectively, so that the stress conditions of two sides are better, and the synchronism and the stability of the mechanism during lifting can be better ensured.

The working principle of the utility model is as follows:

when the panel needs to be lifted, an operator starts the motor to rotate forwards through a remote controller or a button on the panel, the motor drives the left and right rack fixing plates to synchronously move forwards through the motor gear, the driving gear, the rotating shaft, the driven gear and the two racks, the two rack fixing plates drive the inner frames of the two slide rails to synchronously move forwards, the left and right lifting rods also gradually and synchronously move forwards along with the gradual synchronous opening of the two slide rails, and the two lifting rods gradually start to be synchronously lifted upwards along the lifting track; when the two lifting rods are completely pulled out, the rolling shafts on the lifting rods move into the upper flat rail of the lifting rail, the supporting columns on the lifting rods move to the upper parts of the fan-shaped holes, the limiting blocks located behind the supporting columns are contacted with the micro switches located behind the limiting blocks, the motor stops rotating forwards, the panel is in a lifting state at the moment, and the synchronous lifting mechanism completes synchronous lifting action.

When the panel needs to be erected, an operator starts the motor to rotate reversely through a remote controller or a button on the panel, the motor drives the left and right rack fixing plates to synchronously move backwards through the motor gear, the driving gear, the rotating shaft, the driven gear and the two racks, the two rack fixing plates drive the inner frames of the two slide rails to synchronously move backwards, the left and right lifting rods also gradually synchronously move backwards along with the gradual synchronous furling of the two slide rails, and the two lifting rods gradually start to be synchronously leveled downwards along the lifting track; when the two lifting rods are completely laid flat, the rolling shafts on the lifting rods move to the lower flat rail of the lifting rail, the supporting columns on the lifting rods move to the lower parts of the fan-shaped holes, the limiting blocks positioned in front are contacted with the micro switches positioned in front, the reverse rotation of the motor is stopped immediately, the panel is in a vertical state at the moment, and the synchronous lifting mechanism completes the synchronous falling action.

The utility model has the advantages that:

1. the utility model discloses an optimize the rack and pinion mechanism in the lifting mechanism, not only improve one set of rack and pinion mechanism of tradition into two sets, and adopt the pivot that has driving gear and driven gear, drive two sets of rack and pinion mechanism motions simultaneously, the motion mode of rack and pinion has been improved moreover, move traditional gear rack motionless, the improvement is gear motionless rack to move, this synchronism and stability when improving the lifting mechanism operation greatly, operating personnel's experience sense has been improved, lifting mechanism life has also been prolonged.

2. The utility model discloses be equipped with a spacing induction system of lifting pole that is used for stopping motor corotation or reversal, detect when lifting the pole and draw in completely or take out completely as induction system, can stop motor work immediately, avoided forgetting the mechanism damage that stop motor work caused because of operating personnel.

3. The utility model discloses a lifting is provided with the support column on the pole, is provided with the scallop hole on the rack fixed plate, along with lifting or putting flat of lifting the pole, the support column can go up the back and forth movement in the scallop hole, plays the effect of auxiliary stay to the operation of lifting the pole, can further improve the stability and the synchronism of lifting mechanism.

4. The utility model discloses a orbital upper end of lifting is provided with one section flat rail way of going up, not only can give lifting rod one and push down the support to avoid leading to lifting rod to fall back the condition because of the pushing down of operating personnel counterplate, can avoid moreover when the motor outage suddenly after, the panel is because of the condition that the inclined rail fell back down.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a perspective view of the overall structure of the utility model when folded;

FIG. 2 is a perspective view of the overall structure of the utility model when opened;

FIG. 3 is a perspective view of a side structure of the utility model when folded;

FIG. 4 is a perspective view of the utility model showing a side structure when opened;

fig. 5 is a schematic view of the installation position and connection relationship of the lifting rod limit sensing device when the utility model is folded;

fig. 6 is a schematic view of the installation position and connection relationship of the lifting rod limit sensing device when the utility model is opened;

FIG. 7 is a schematic view of the fitting relationship between the supporting post and the fan-shaped hole when the utility model is folded;

FIG. 8 is a schematic view showing the fitting relationship between the supporting post and the fan-shaped hole when the utility model is opened;

fig. 9 is a schematic view of the lifting rail of the present invention and a schematic view of the matching relationship between the roller and the lifting rail when the roller is folded;

fig. 10 is a schematic structural view of the present invention and a schematic view of the matching relationship between the roller and the lifting rail when the roller is opened.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-4, a synchronous lifting mechanism comprises two slide rails 1, two lifting plates 2, two lifting rods 3, two rack fixing plates 4, two racks 5, a driving gear 6, a driven gear 7, a rotating shaft 8, two rotating shaft mounting seats 9, a motor 10, a motor gear 11 and a panel 12;

the two slide rails 1 are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two slide rails 1 are respectively and fixedly arranged on the inner walls of the left side and the right side of the box type equipment box body, and the inner frames of the two slide rails 1 are respectively and fixedly provided with one rack fixing plate 4; the lower ends of the two rack fixing plates 4 are respectively provided with one rack 5, and the installation direction of the racks 5 is parallel to the movement direction of the slide rail 1;

the rotating shaft 8 is fixed on a middle cabinet bottom plate of the box type equipment through two rotating shaft mounting seats 9 with shaft sleeves, the driving gear 6 and the driven gear 7 are respectively sleeved at the left end and the right end of the rotating shaft 8, the driving gear 6 and the driven gear 7 are respectively meshed with the left rack 5 and the right rack 5, the motor 10 is mounted on the rotating shaft mounting seat 9 positioned on one side of the driving gear 6, a driving shaft of the motor 10 is parallel to the rotating shaft 8, the motor gear 11 is mounted on the driving shaft of the motor 10, and the motor gear 11 is meshed with the driving gear 6;

the two lifting plates 2 are respectively arranged at the front ends of the two slide rails 1, the outer side surfaces of the two lifting plates 2 are respectively fixedly connected with the inner walls of the left side and the right side of the box type equipment box body, and the inner side surfaces of the two lifting plates 2 are respectively provided with a lifting track 13; the tail ends of the two lifting rods 3 are respectively hinged with the two rack fixing plates 4, the middle parts of the two lifting rods 3 are respectively movably connected with the two lifting tracks 13 through rolling shafts 14, and the front ends of the two lifting rods 3 are jointly provided with the panel 12.

Furthermore, a lifting rod limiting and sensing device for stopping the forward rotation or the reverse rotation of the motor 10 is arranged on the synchronous lifting mechanism, so that the mechanism damage caused by the fact that an operator forgets to stop the motor 10 to work is avoided.

Preferably, as shown in fig. 5 to 6, the lifting rod limit sensing device includes two micro switches 17 arranged in front and back of the side surface of the rotating shaft mounting seat 9 and two limit blocks 18 arranged at the front and back ends of the bottom of the rack fixing plate 4, the two micro switches 17 are located between the two limit blocks 18, and the two micro switches 17 are connected to the motor 10 and are responsible for stopping the forward rotation or the reverse rotation of the motor 10.

Preferably, two microswitches 17 are mounted on the same shaft mounting seat 9 as the motor 10, so as to reduce the length of the line.

Further, as shown in fig. 3-4 and fig. 7-8, a supporting column 15 is disposed on the lifting rod 3, and the supporting column 15 is located between the roller 14 in the middle of the lifting rod 3 and the hinge point at the end of the lifting rod 3; a fan-shaped hole 16 is formed in the rack fixing plate 4, the position of the fan-shaped hole 16 corresponds to the position of the supporting column 15, and the supporting column 15 is movably installed in the fan-shaped hole 16, so that the auxiliary supporting function is realized on the operation of the lifting rod 3.

Further, as shown in fig. 9-10, the lifting rail 13 is sequentially composed of a lower flat rail 131, an inclined rail 132 and an upper flat rail 133 from back to front, the lower flat rail 131 is used for accommodating the roller 14 after the lifting rod 3 is retracted, the inclined rail 132 is used for lifting when the lifting rod 3 is extracted, and the upper flat rail 133 is used for accommodating the roller 14 after the lifting rod 3 is extracted, so as to avoid the situation that the lifting rod 3 falls back due to the downward pressure of the operator on the panel 12 and the situation that the panel falls back along the inclined rail due to gravity after the motor is suddenly powered off.

Further, the motor 10 is connected with a remote control device or a button installed on the panel 12, and the forward rotation or the reverse rotation of the motor 10 receives the control of the remote control device or the button on the panel 12.

Preferably, the motor 10 can be fixed in the middle of the middle cabinet bottom plate through an independent motor mounting seat, the driving gear 6 is installed in the middle of the rotating shaft 8 and meshed with the motor gear 11 on the driving shaft of the motor 10, the driven gears 7 are installed at two ends of the rotating shaft 8 respectively and meshed with the left rack 5 and the right rack 5 respectively, so that the stress conditions at two sides are better, and the synchronism and the stability of the mechanism during lifting can be better ensured.

Referring to fig. 1, 3, 5, 7, and 9, when the panel 12 needs to be lifted, an operator starts the motor 10 to rotate forward through a remote controller or a button on the panel 12, the motor 10 drives the left and right rack fixing plates 4 to move forward synchronously through the motor gear 11, the driving gear 6, the rotating shaft 8, the driven gear 7, and the two racks 5, the two rack fixing plates 4 drive the inner frames of the two slide rails 1 to move forward synchronously, the left and right lifting rods 3 also move forward gradually and synchronously as the two slide rails 1 are opened gradually and synchronously, and the two lifting rods 3 start to be lifted synchronously upwards along the lifting rail 13; when the two lifting rods 3 are completely pulled out, the rollers 14 on the lifting rods 3 move into the upper flat rails 133 of the lifting rails 13, the supporting columns 15 on the lifting rods 3 move to the upper parts of the fan-shaped holes 16, the micro switches 17 at the rear parts of the limiting blocks 18 at the rear parts are contacted, then the motor 10 stops rotating forwards, at the moment, the panel 12 is in a lifting state, and the synchronous lifting mechanism completes synchronous lifting action.

Referring to fig. 2, 4, 6, 8 and 10, when the panel needs to be erected, an operator starts the motor 10 to rotate reversely through a remote controller or a button on the panel 12, the motor 10 drives the left and right rack fixing plates 4 to synchronously move backwards through the motor gear 11, the driving gear 6, the rotating shaft 8, the driven gear 7 and the two racks 5, the two rack fixing plates 4 drive the inner frames of the two slide rails 1 to synchronously move backwards, the left and right lifting rods 3 also gradually synchronously move backwards as the two slide rails 1 are gradually and synchronously folded, and the two lifting rods 3 gradually start to be synchronously leveled downwards along the lifting rail 13; when the two lifting rods 3 are completely laid flat, the rollers 14 on the lifting rods 3 move into the lower flat rails 131 of the lifting rails 13, the supporting columns 15 on the lifting rods 3 move to the lower parts of the fan-shaped holes 16, the micro switches 17 in front of the limiting blocks 18 in front of the lifting rods contact with the limiting blocks 18 in front of the lifting rods, then the motor 10 stops rotating reversely, the panel 12 is in a vertical state at the moment, and the synchronous lifting mechanism completes synchronous falling action.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a synchronous lifting mechanism which characterized in that: the lifting device comprises two sliding rails (1), two lifting plates (2), two lifting rods (3), two rack fixing plates (4), two racks (5), a driving gear (6), a driven gear (7), a rotating shaft (8), two rotating shaft mounting seats (9), a motor (10), a motor gear (11) and a panel (12);

the two slide rails (1) are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two slide rails (1) are respectively and fixedly arranged on the inner walls of the left side and the right side of the box type equipment box body, and the inner frames of the two slide rails (1) are respectively and fixedly provided with one rack fixing plate (4); the lower ends of the two rack fixing plates (4) are respectively provided with one rack (5), and the mounting direction of the racks (5) is parallel to the moving direction of the sliding rail (1);

the rotating shaft (8) is fixed on a middle cabinet bottom plate of the box type equipment through two rotating shaft mounting seats (9) with shaft sleeves, the left end and the right end of the rotating shaft (8) are respectively sleeved with the driving gear (6) and the driven gear (7), the driving gear (6) and the driven gear (7) are respectively meshed with the left rack (5) and the right rack (5), the motor (10) is mounted on the rotating shaft mounting seat (9) positioned on one side of the driving gear (6), a driving shaft of the motor (10) is parallel to the rotating shaft (8), the motor gear (11) is mounted on the driving shaft of the motor (10), and the motor gear (11) is meshed with the driving gear (6);

the two lifting plates (2) are respectively arranged at the front ends of the two sliding rails (1), the outer side surfaces of the two lifting plates (2) are respectively fixedly connected with the inner walls of the left side and the right side of the box type equipment box body, and the inner side surfaces of the two lifting plates (2) are respectively provided with a lifting track (13); the tail ends of the two lifting rods (3) are respectively hinged with the two rack fixing plates (4), the middle parts of the two lifting rods (3) are respectively movably connected with the two lifting tracks (13) through rolling shafts (14), and the front ends of the two lifting rods (3) are jointly provided with the panel (12);

when the sliding rail (1) is completely folded, the lifting rod (3) is in a completely-retracted state, the roller (14) in the middle of the lifting rod (3) is located at the bottom of the lifting rail (13), and the panel (12) is in a vertical state; when the sliding rail (1) is completely opened, the lifting rod (3) is in a completely drawn-out state, the roller (14) in the middle of the lifting rod (3) is located at the top of the lifting rail (13), and the panel (12) is in a lifted state.

2. The synchronized lift mechanism of claim 1, wherein: a supporting column (15) is arranged on the lifting rod (3), and the supporting column (15) is positioned between a rolling shaft (14) in the middle of the lifting rod (3) and a hinge point at the tail end of the lifting rod (3); a fan-shaped hole (16) is formed in the rack fixing plate (4), the position of the fan-shaped hole (16) corresponds to the position of the supporting column (15), and the supporting column (15) is movably arranged in the fan-shaped hole (16) and plays a role in auxiliary support for the operation of the lifting rod (3);

when the sliding rail (1) is completely folded and the roller (14) in the middle of the lifting rod (3) is positioned at the bottom of the lifting rail (13), the supporting column (15) is positioned at the lower part of the fan-shaped hole (16); when the sliding rail (1) is completely opened and the roller (14) in the middle of the lifting rod (3) is positioned at the top of the lifting rail (13), the supporting column (15) is positioned at the upper part of the fan-shaped hole (16).

3. The synchronized lift mechanism of claim 1, wherein: the synchronous lifting mechanism is provided with a lifting rod limiting and sensing device used for stopping the motor (10) from rotating forwards or reversely, so that the mechanism damage caused by the fact that an operator forgets to stop the motor (10) from working is avoided.

4. The synchronized lift mechanism of claim 3, wherein: the lifting rod limit sensing device comprises two micro switches (17) which are arranged in the front and back direction and are arranged on the side surface of the rotating shaft mounting seat (9), and two limit blocks (18) which are arranged at the front end and the back end of the bottom of the rack fixing plate (4), wherein the two micro switches (17) are positioned between the two limit blocks (18), and the two micro switches (17) are connected with the motor (10) and are responsible for stopping the forward rotation or the reverse rotation of the motor (10); when the lifting rod (3) is in a complete recovery state, the limiting block (18) positioned in the front contacts with the microswitch (17) positioned in the front, and when the lifting rod (3) is in a complete extraction state, the limiting block (18) positioned in the rear contacts with the microswitch (17) positioned in the rear.

5. The synchronized lift mechanism of claim 4, wherein: the two microswitches (17) and the motor (10) are arranged on the same rotating shaft mounting seat (9) so as to reduce the length of a circuit.

6. The synchronized lift mechanism of claim 1, wherein: the lifting track (13) is sequentially composed of a lower flat track (131), an inclined track (132) and an upper flat track (133) from back to front, the lower flat track (131) is used for accommodating the roller (14) after the lifting rod (3) is recovered, the inclined track (132) is used for lifting when the lifting rod (3) is pulled out, the upper flat track (133) is used for accommodating the roller (14) after the lifting rod (3) is pulled out, and meanwhile, the situation that the lifting rod (3) falls back due to the fact that an operator presses the panel (12) down is avoided.

7. The synchronized lift mechanism of claim 1, wherein: the motor (10) is connected with a remote control device or a button arranged on the panel (12), and the motor (10) rotates forwards or backwards to receive the remote control device or the button on the panel (12) for control.