CN109729670B - Synchronous lifting mechanism - Google Patents
Synchronous lifting mechanism Download PDFInfo
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- CN109729670B CN109729670B CN201910099311.0A CN201910099311A CN109729670B CN 109729670 B CN109729670 B CN 109729670B CN 201910099311 A CN201910099311 A CN 201910099311A CN 109729670 B CN109729670 B CN 109729670B
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- lifting
- motor
- gear
- lifting rod
- rack
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
Abstract
The invention discloses a synchronous lifting mechanism which consists of two sliding 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. According to the invention, through optimizing the gear-rack mechanism in the lifting mechanism, the traditional set of gear-rack mechanism is improved into two sets, the rotating shaft with the driving gear and the driven gear is adopted, and the two sets of gear-rack mechanism are driven to move simultaneously, so that the moving mode of the gear-rack is improved, the traditional gear-rack is changed into the gear-rack-immobilized, the synchronism and the stability of the lifting mechanism are greatly improved, and the service life of the lifting mechanism is prolonged. The invention is also provided with a lifting rod limit sensing device for stopping the motor from rotating forwards or backwards, so that the mechanism damage caused by forgetting to stop the motor by an operator can be avoided.
Description
Technical Field
The invention belongs to the technical field of sliding rails, and particularly relates to a synchronous lifting mechanism which is applied to a lifting control panel on large-scale box-type equipment.
Background
In order to embody humanization, many manufacturers of large-scale box-type equipment can improve the control panel which is originally fixedly installed on the equipment box body into the control panel with adjustable angles, and a lifting mechanism for lifting the control panel is needed, so that the control panel is slightly lifted up and turned upwards in a vertical state, and therefore workers can operate on the control panel more comfortably, and the box and cabinet of the box-type equipment can be pulled out horizontally conveniently. However, the rack and pinion mechanism adopted by the existing lifting mechanism is almost fixed by racks, and the gears move on the racks, so that the driven side gears can twist during movement, the synchronism and stability of the lifting mechanism are poor, the experience of operators is seriously affected, and the service life of the lifting mechanism is even affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a synchronous lifting mechanism, which aims to improve the synchronism and stability of the lifting mechanism during operation, thereby improving the experience of operators and prolonging the service life of the lifting mechanism.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the synchronous lifting mechanism consists of two sliding 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 sliding rails are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two sliding rails are respectively and fixedly arranged on the inner walls of the left side and the right side of the box body of the box-type equipment, and the inner frames of the two sliding rails are respectively and fixedly provided with the rack fixing plate; the lower ends of the two rack fixing plates are respectively provided with one rack, and the installation direction of the racks is parallel to the movement direction of the sliding rail;
the rotary shaft is fixed on a middle cabinet bottom plate of the box-type equipment through two rotary shaft mounting seats with shaft sleeves, the left end and the right end of the rotary shaft are respectively sleeved with a driving gear and a driven gear, the driving gear and the driven gear are respectively meshed with a left rack and a right rack, a motor is mounted on the rotary shaft mounting seats positioned on one side of the driving gear, a driving shaft of the motor is parallel to the rotary shaft, a motor gear is mounted on a driving shaft of the motor, 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 body of the box-type equipment, and the inner side surfaces of the two lifting plates are respectively provided with a lifting rail; 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 rails through rolling shafts, and the front ends of the two lifting rods are jointly provided with a panel.
Further, a supporting column is arranged on the lifting rod, and the supporting column is positioned between a rolling shaft in the middle of the lifting rod and a hinging point at the tail end of the lifting rod; the rack fixing plate is provided with a sector hole, the position of the sector hole corresponds to that of the support column, and the support column is movably arranged in the sector hole to play a role in supporting the operation of the lifting rod in an auxiliary mode.
Furthermore, the synchronous lifting mechanism is provided with a lifting rod limiting sensing device for stopping the motor from rotating forwards or reversely, so that the mechanism damage caused by the fact that an operator forgets to stop the motor to work is avoided.
Preferably, the lifting rod limit induction device comprises two microswitches arranged front and back and arranged on the side face of the rotating shaft mounting seat and two limiting blocks arranged at the front and back ends of the bottom of the rack fixing plate, the two microswitches are located between the two limiting blocks, and the two microswitches are connected with the motor and are responsible for stopping forward rotation or reverse rotation of the motor.
Preferably, the two micro-switches and the motor are mounted on the same rotating shaft mounting seat, so that the length of the circuit is reduced.
Further, the lifting track comprises a lower flat track, an inclined track and an upper flat track from back to front in sequence, the lower flat track is used for accommodating the rolling shaft after the lifting rod is recovered, the inclined track is used for lifting the lifting rod during extraction, the upper flat track is used for accommodating the rolling shaft after the lifting rod is extracted, and meanwhile the condition that the lifting rod falls back due to the fact that an operator presses down the panel is avoided, and the condition that the panel falls back along the inclined track due to gravity after the motor is suddenly powered off is avoided.
Further, the motor is connected with a remote control device or a button arranged on the panel, and the forward rotation or the reverse rotation of the motor receives the control of the remote control device or the button on the panel.
Preferably, the motor can be fixed in the middle part of the bottom plate of the middle cabinet through an independent motor mounting seat, the driving gear is mounted in the middle part of the rotating shaft and meshed with motor gears on the motor driving shaft, the driven gears are mounted at two ends of the rotating shaft respectively and meshed with left and right racks respectively, so that the stress conditions of two sides are better, and the synchronism and the stability of the mechanism in lifting can be better ensured.
The working principle of the invention is as follows:
when the panel is required to be lifted, an operator starts the motor to rotate forward through a remote controller or a button on the panel, the motor drives the left rack fixing plate and the right rack fixing plate to synchronously move forward 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 sliding rails to synchronously move forward, and as the two sliding rails are gradually and synchronously opened, the left lifting rod and the right lifting rod are also gradually and synchronously moved forward, and the two lifting rods are gradually and 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 track of the lifting track, the supporting columns on the lifting rods move to the upper parts of the fan-shaped holes, the rear limiting block is positioned at the rear and is in contact with the micro switch, the motor is immediately stopped from rotating positively, the panel is in a lifting state, and the synchronous lifting mechanism completes synchronous lifting action.
When the panel is required to be erected, an operator starts the motor to reversely rotate through a remote controller or a button on the panel, the motor drives the left rack fixing plate and the right rack fixing plate 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 sliding rails to synchronously move backwards, and the left lifting rod and the right lifting rod gradually synchronously move backwards along with the gradual synchronous folding of the two sliding rails, so that the two lifting rods gradually start to be synchronously flattened downwards along the lifting rail; when the two lifting rods are completely laid flat, the rolling shafts on the lifting rods move into the lower flat track of the lifting track, the supporting columns on the lifting rods move to the lower parts of the fan-shaped holes, the front limiting block is positioned in front of the micro switch to contact, the motor is stopped from reversing immediately, the panel is in a vertical state, and the synchronous lifting mechanism completes synchronous falling-back action.
The beneficial effects of the invention are as follows:
1. according to the invention, through optimizing the gear rack mechanism in the lifting mechanism, the traditional set of gear rack mechanism is improved into two sets, the rotating shaft with the driving gear and the driven gear is adopted, and the two sets of gear rack mechanisms are driven to move simultaneously, so that the moving mode of the gear rack is improved, the traditional gear moving rack is changed into the gear moving rack moving, the synchronism and the stability of the lifting mechanism during operation are greatly improved, the experience of operators is improved, and the service life of the lifting mechanism is prolonged.
2. The invention is provided with the lifting rod limiting sensing device for stopping the motor from rotating forwards or reversely, and when the sensing device detects that the lifting rod is completely folded or completely pulled out, the motor can be stopped immediately, so that the mechanism damage caused by forgetting to stop the motor by an operator is avoided.
3. The lifting rod is provided with the supporting column, the rack fixing plate is provided with the fan-shaped hole, and along with lifting or flattening of the lifting rod, the supporting column can move up and down in the fan-shaped hole, so that the auxiliary supporting function is achieved for the operation of the lifting rod, and the stability and the synchronism of the lifting mechanism can be further improved.
4. The upper end of the lifting rail is provided with the upper flat rail, so that the lifting rod can be pressed down to be supported, the condition that the lifting rod falls back due to the fact that an operator presses down the panel is avoided, and the condition that the panel falls back along the inclined rail due to gravity after the motor is suddenly powered off can be avoided.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail 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 embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a perspective view of the overall structure of the present invention when it is folded;
FIG. 2 is a perspective view of the overall structure of the present invention when opened;
FIG. 3 is a perspective view of a side structure of the present invention when folded;
FIG. 4 is a perspective view of one side of the present invention when opened;
FIG. 5 is a schematic view of the mounting position and connection relationship of the lifting rod limit sensing device when the lifting rod is folded;
FIG. 6 is a schematic view of the installation position and connection relationship of the lift bar limit sensing device when the invention is opened;
FIG. 7 is a schematic view of the relationship between the support post and the fan-shaped hole when the invention is folded;
FIG. 8 is a schematic view of the mating relationship of the support post and the scallop hole when the present invention is opened;
FIG. 9 is a schematic structural view of a lifting rail according to the present invention, showing a relationship between a roller and the lifting rail during folding;
fig. 10 is a schematic structural view of the present invention and a schematic view of the cooperation relationship between the roller and the lifting rail during opening.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
Referring to fig. 1 to 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 sliding rails 1 are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two sliding rails 1 are respectively and fixedly arranged on the inner walls of the left side and the right side of the box body of the box-type equipment, and the inner frames of the two sliding rails 1 are respectively and fixedly provided with a rack fixing plate 4; the lower ends of the two rack fixing plates 4 are respectively provided with a rack 5, and the installation direction of the racks 5 is parallel to the movement direction of the sliding rail 1;
the rotary shaft 8 is fixed on a middle cabinet bottom plate of the box-type equipment through two rotary shaft mounting seats 9 with shaft sleeves, the left end and the right end of the rotary 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 rotary shaft mounting seats 9 positioned on one side of the driving gear 6, the driving shaft of the motor 10 is parallel to the rotary shaft 8, the driving shaft of the motor 10 is provided with the motor gear 11, 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 faces 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 body of the box-type equipment, and the inner side faces of the two lifting plates 2 are respectively provided with a lifting rail 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 rails 13 through rollers 14, and the front ends of the two lifting rods 3 are jointly provided with a panel 12.
Further, the synchronous lifting mechanism is provided with a lifting rod limit sensing device for stopping the motor 10 from rotating forward or backward, so as to avoid mechanism damage caused by forgetting to stop the motor 10 by an operator.
Preferably, referring to fig. 5-6, the lifting rod limit sensing device includes two micro switches 17 mounted on the side surface of the rotating shaft mounting seat 9 and arranged front and back, and two limiting blocks 18 disposed at front and back ends of the bottom of the rack fixing plate 4, where the two micro switches 17 are located between the two limiting blocks 18, and the two micro switches 17 are connected with the motor 10 and are responsible for stopping the forward rotation or reverse rotation of the motor 10.
Preferably, the two micro-switches 17 and the motor 10 are mounted on the same shaft mounting base 9, so as to reduce the length of the circuit.
Further, referring to 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 a roller 14 in the middle of the lifting rod 3 and a hinge point at the tail end of the lifting rod 3; the rack fixing plate 4 is provided with a fan-shaped hole 16, the position of the fan-shaped hole 16 corresponds to that of the supporting column 15, and the supporting column 15 is movably arranged in the fan-shaped hole 16 to play an auxiliary supporting role in the operation of the lifting rod 3.
Further, referring to fig. 9-10, the lifting rail 13 is composed of a lower flat rail 131, an inclined rail 132 and an upper flat rail 133 from back to front, wherein the lower flat rail 131 is used for accommodating the roller 14 after the lifting rod 3 is recovered, the inclined rail 132 is used for lifting the lifting rod 3 when the lifting rod 3 is pulled out, and the upper flat rail 133 is used for accommodating the roller 14 after the lifting rod 3 is pulled out, so that the condition that the lifting rod 3 falls back due to the downward pressing of an operator on the panel 12 is avoided, and the condition that the panel falls back along the inclined rail due to gravity after the motor is suddenly powered off is avoided.
Further, the motor 10 is connected to a remote control device or a button mounted on the panel 12, and the forward rotation or reverse rotation of the motor 10 receives the control of the remote control device or the button mounted on the panel 12.
Preferably, the motor 10 may be fixed in the middle of the bottom board of the middle cabinet by an independent motor mounting seat, the driving gear 6 is installed in the middle of the rotating shaft 8 and meshed with a motor gear 11 on the driving shaft of the motor 10, two ends of the rotating shaft 8 are respectively provided with the driven gears 7 and meshed with the left and right racks 5, so that the stress conditions on two sides are better, and the synchronism and stability of the mechanism in 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, and as the two slide rails 1 are opened synchronously, the left and right lifting rods 3 also move forward 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 roller 14 on the lifting rod 3 moves into the upper flat rail 133 of the lifting rail 13, the supporting column 15 on the lifting rod 3 moves to the upper part of the fan-shaped hole 16, the rear limiting block 18 contacts with the rear micro switch 17, and then the forward rotation of the motor 10 is stopped, at this time, 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 move backwards 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 backwards synchronously, and as the two slide rails 1 are gradually retracted synchronously, the left and right lifting rods 3 are also gradually moved backwards synchronously, and the two lifting rods 3 start to be horizontally placed synchronously 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 rail 131 of the lifting rail 13, the supporting columns 15 on the lifting rods 3 move to the lower parts of the fan-shaped holes 16, the front limiting block 18 contacts with the front micro switch 17, the inversion of the motor 10 is stopped immediately, the panel 12 is in a vertical state, and the synchronous lifting mechanism completes synchronous falling-back action.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Synchronous lifting mechanism, its 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 sliding rails (1) are respectively positioned at the left side and the right side of the mechanism, the outer frames of the two sliding rails (1) are respectively and fixedly arranged on the inner walls of the left side and the right side of the box body of the box-type equipment, and the inner frames of the two sliding rails (1) are respectively and fixedly provided with a rack fixing plate (4); the lower ends of the two rack fixing plates (4) are respectively provided with a rack (5), and the installation direction of the racks (5) is parallel to the movement direction of the sliding rail (1);
the rotary shaft (8) is fixed on a middle cabinet bottom plate of the box-type equipment through two rotary shaft mounting seats (9) with shaft sleeves, the left end and the right end of the rotary 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 rotary shaft mounting seats (9) positioned on one side of the driving gear (6), a driving shaft of the motor (10) is parallel to the rotary shaft (8), a 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 faces 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 body of the box-type equipment, and one lifting rail (13) is respectively arranged on the inner side faces of the two lifting plates (2); 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 and movably connected with the two lifting rails (13) through rollers (14), and the front ends of the two lifting rods (3) are jointly provided with a panel (12);
when the sliding rail (1) is completely folded, the lifting rod (3) is in a completely recovered state, a roller (14) in the middle of the lifting rod (3) is positioned 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 extracted state, a roller (14) in the middle of the lifting rod (3) is positioned at the top of the lifting rail (13), and the panel (12) is in a lifting state;
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 hinging point at the tail end of the lifting rod (3); the rack fixing plate (4) is provided with a sector hole (16), the position of the sector hole (16) corresponds to the position of the support column (15), and the support column (15) is movably arranged in the sector hole (16) to play an auxiliary supporting role in the operation of the lifting rod (3);
when the sliding rail (1) is completely folded, and the rolling shaft (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 sector hole (16); when the sliding rail (1) is completely opened, and the rolling shaft (14) in the middle of the lifting rod (3) is positioned at the top of the lifting track (13), the supporting column (15) is positioned at the upper part of the sector hole (16);
the synchronous lifting mechanism is provided with a lifting rod limit sensing device for stopping the motor (10) from rotating forwards or reversely, so that mechanism damage caused by the fact that an operator forgets to stop the motor (10) to work is avoided.
2. The synchronized lifting mechanism of claim 1, wherein: the lifting rod limit induction device comprises two microswitches (17) which are arranged front and back and are arranged on the side face of the rotating shaft mounting seat (9) and two limiting 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 microswitches (17) are positioned between the two limiting blocks (18), and the two microswitches (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 fully recovered state, the limiting block (18) positioned at the front is in contact with the micro switch (17) positioned at the front, and when the lifting rod (3) is in a fully extracted state, the limiting block (18) positioned at the rear is in contact with the micro switch (17) positioned at the rear.
3. The synchronized lifting mechanism of claim 2, wherein: the two micro-switches (17) and the motor (10) are arranged on the same rotating shaft mounting seat (9) so as to reduce the length of a circuit.
4. The synchronized lifting mechanism of claim 1, wherein: lifting track (13) have down flat track (131), inclined rail (132) and last flat track (133) in proper order from the back to the front and constitute, flat track (131) are used for down behind lifting rod (3) retrieve roller (14) hold, inclined rail (132) are used for lifting when lifting rod (3) are taken out, go up flat track (133) are used for behind lifting rod (3) are taken out roller (14) hold, avoid simultaneously because of operating personnel to panel (12) push down and lead to lifting rod (3) fall back's condition.
5. The synchronized lifting 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 forward rotation or the reverse rotation of the motor (10) receives the button control on the remote control device or the panel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099311.0A CN109729670B (en) | 2019-01-31 | 2019-01-31 | Synchronous lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099311.0A CN109729670B (en) | 2019-01-31 | 2019-01-31 | Synchronous lifting mechanism |
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| Publication Number | Publication Date |
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| CN109729670A CN109729670A (en) | 2019-05-07 |
| CN109729670B true CN109729670B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910099311.0A Active CN109729670B (en) | 2019-01-31 | 2019-01-31 | Synchronous lifting mechanism |
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| CN (1) | CN109729670B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783844B (en) * | 2019-11-08 | 2020-12-08 | 永升建设集团有限公司 | Movable side-mounted middle-placed cabinet |
| CN111509606A (en) * | 2020-04-22 | 2020-08-07 | 福建源辉电气设备有限公司 | Low-voltage draw-out type switch cabinet |
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| CN102917563B (en) * | 2011-08-04 | 2016-10-12 | 中海沥青（泰州）有限责任公司 | Linkage |
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| CN1142110A (en) * | 1995-04-29 | 1997-02-05 | 大宇电子株式会社 | Compact-disc player |
| CN102301422A (en) * | 2009-02-02 | 2011-12-28 | 富士通株式会社 | Disc Loading Apparatus |
| CN105555083A (en) * | 2016-01-25 | 2016-05-04 | 宁波方太厨具有限公司 | Extension and reset mechanism for control panel of domestic appliance |
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| CN109729670A (en) | 2019-05-07 |
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