CN216220799U - Automatic opening and closing drawer mechanism - Google Patents
Automatic opening and closing drawer mechanism Download PDFInfo
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- CN216220799U CN216220799U CN202121218759.9U CN202121218759U CN216220799U CN 216220799 U CN216220799 U CN 216220799U CN 202121218759 U CN202121218759 U CN 202121218759U CN 216220799 U CN216220799 U CN 216220799U
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Abstract
The utility model relates to an automatic opening and closing drawer mechanism, which comprises a drawer body arranged in a drawing manner; guide strips for installing the drawer openings are arranged on the two sides of the drawer body; a friction wheel assembly is arranged between the drawer body and the guide strip; a transmission rod in transmission connection with the friction wheel assembly is arranged on the back or the bottom of the drawer body, and a clutch transmission device in transmission connection with the transmission rod is arranged on the back or the bottom of the drawer body; the utility model has reasonable design, compact structure and convenient use.
Description
Technical Field
The utility model relates to an automatic opening and closing drawer mechanism.
Background
Along with the social development and the improvement of the living standard of people, the demand of people on the automation/intelligence degree of kitchen products is more and more strong, so that household products with the functions of automatically pushing out/pulling back a drawer and the like are gradually pushed out from the market, and the application of the functions brings great convenience to the life of people;
in the drawer push-pull structures in the current market, some drawer push-pull structures are placed behind drawers, only have a mechanical spring-open function and cannot be automatically pulled back; some structures are complex and the price is high; some structures have large noise in the motion process, and the user experience is poor; in some structures, after power failure occurs, a large reverse braking force exists, and a user can hardly open or close the drawer; however, if the drawer is forcibly pulled open or pushed back by a brute force, damage may be caused to the transmission mechanism and the drawer structure, resulting in a reduction in product performance and a reduction in service life. The prior utility model discloses a problem that the drawer can change into manual switch when solving the outage through the clutching gear train that planetary gear train constitutes. The utility model discloses a drawer structure has following problem: 1. when the power is on, the user can not realize the quick opening or closing of the drawer. 2. The planetary gear train has a complex structure, occupies too large space and wastes the effective utilization space of the household appliances.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an automatic opening and closing drawer mechanism.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
an automatic opening and closing drawer mechanism comprises a drawer body which is arranged in a drawing mode; guide strips for installing the drawer openings are arranged on the two sides of the drawer body; a friction wheel assembly is arranged between the drawer body and the guide strip; a transmission rod in transmission connection with the friction wheel assembly is arranged on the back or the bottom of the drawer body, and a clutch transmission device in transmission connection with the transmission rod is arranged on the back or the bottom of the drawer body;
the clutch transmission device comprises a shell and a gear set which are arranged on the drawer body, and an electrically driven motor is arranged in the shell;
the output shaft of the motor is in transmission connection with the transmission rod through a gear set; an electric control component for driving the motor is arranged in the shell;
the friction wheel assembly comprises a bracket arranged on the drawer body; friction wheels and guide wheels are arranged on the bracket in pairs; the friction wheel key is connected on the output end of the transmission rod and is in meshed contact with the upper surface of the guide strip; the guide wheel is in rolling contact with the lower surface of the guide strip;
the shell comprises an upper shell and a lower shell which are connected in a involution way to form a shell inner cavity; the gear set comprises a gear I and a gear II which are arranged in a meshed manner; a gear mounting position I, a gear mounting position II, a motor mounting position and a transmission rod mounting position are respectively arranged in the inner cavity of the shell; a gear I is arranged at a gear mounting position I; a gear II is installed at the gear installation position II, and a motor is installed at the motor installation position; the transmission rod is rotatably arranged on the transmission rod mounting position; the gear I is in transmission connection with an output shaft of the motor, and the gear II is in transmission connection with an output shaft of the transmission rod.
As a further improvement of the above technical solution:
the motor is provided with a clutch and a Hall position sensor; when the drawer is normally powered on, the motor rotates according to the instruction of the electric control assembly, the gear I is meshed with the gear I I to drive the transmission rod to rotate, and the drawer body is automatically opened and closed; when the power is cut off, the motor stops rotating, the clutch is separated, and no braking force is output.
The tail part of the motor is provided with a tail part braking device; the tail braking device comprises a braking and clutching rotating disc arranged at the tail of the motor, and a braking and clutching longitudinal moving disc which longitudinally moves on the back or the bottom of the drawer body to be meshed with the braking and clutching rotating disc; the rear part of the brake clutch longitudinal moving plate is connected with a return spring, the rear end of the return spring is provided with an electromagnet sucker, and when the electromagnet sucker is electrified, magnetic force is generated on the brake clutch longitudinal moving plate, so that the brake clutch longitudinal moving plate overcomes the spring force of the return spring and is meshed with the brake clutch rotating plate;
the brake clutch longitudinal moving disc is coaxially connected with a longitudinal moving spline shaft; a longitudinal pushing spring resetting tailstock with a longitudinal pushing inclined plane is arranged at the tail part of the longitudinal moving spline shaft, a central guide shaft is connected with the longitudinal pushing spring resetting tailstock in a key guiding way, and a rotating inclined plane tailstock is rotatably arranged at the other end of the central guide shaft; the central guide shaft is connected with the longitudinal moving spline shaft through a spring; the rotating inclined surface tailstock is in rotating contact with the inclined surface of the longitudinal pushing spring resetting tailstock, so that the longitudinal moving spline shaft is longitudinally pushed against the spring force;
the outer side walls of the longitudinal pushing spring reset tailstock and the rotating bevel tailstock are sleeved with rotating jackets, the tail end of the rotating bevel tailstock is provided with a rotating sliding key shaft,
a shifting spline sleeve with a handle is arranged on the rotating sliding key shaft.
The utility model has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use. This patent has the advantage that: 1. the drawer can realize electric automatic push-out/pull-back. 2. Simple structure, and adopts friction wheel transmission. 3. When the power is cut off, the braking force of the motor is released immediately, and the user can push and pull the drawer freely. 4. The transmission structure adopts rubber and metal friction transmission, and the noise is low.
Drawings
Fig. 1 is a schematic diagram of the automatic opening and closing drawer mechanism of the utility model.
Fig. 2 is a schematic top view of the automatic opening and closing drawer mechanism of the present invention.
Fig. 3 is a schematic view showing an exploded structure of the clutch transmission of the present invention.
FIG. 4 is a schematic view of the friction wheel assembly and guide strip construction of the present invention.
FIG. 5 is a rear view of the friction wheel assembly of the present invention.
Fig. 6 is a schematic view of the structure of the braking portion of the present invention.
Wherein: 1. A drawer body; 2. a friction wheel assembly; 3. a transmission rod; 4. a guide strip; 5. a clutch transmission; 6. a housing; 7. a motor; 8. a gear set; 9. an electronic control assembly; 21. a friction wheel; 22. a guide wheel; 23. a support; 61. an upper shell; 62. a lower case; 81. a gear I; 82. a gear II; 621. a gear mounting position I; 622. a gear mounting position II; 623. a motor mounting location; 624. a transmission rod mounting position; 701. a tail brake device; 702. braking the clutch rotating disc; 703. a brake clutch longitudinal moving plate; 704. a return spring; 705. an electromagnet chuck; 706. longitudinally moving the spline shaft; 707. a longitudinal pushing spring reset tailstock; 708. longitudinally pushing the inclined plane; 709. a central guide shaft; 710. rotating the bevel tailstock; 711. rotating the outer sleeve; 712. a rotating sliding key shaft; 713. the belt handle pulls the spline housing.
Detailed Description
As shown in fig. 1-6, the automatic opening and closing drawer mechanism of the present embodiment includes a drawer body 1 disposed in a drawing manner; guide strips 4 for installing the drawer openings are arranged on the two sides of the drawer body 1; a friction wheel component 2 is arranged between the drawer body 1 and the guide strip 4; a transmission rod 3 in transmission connection with the friction wheel assembly 2 is arranged on the back or the bottom of the drawer body 1, and a clutch transmission device 5 in transmission connection with the transmission rod 3 is arranged on the back or the bottom of the drawer body 1;
the clutch transmission device 5 comprises a shell 6 and a gear set 8 which are arranged on the drawer body 1, and an electrically driven motor 7 is arranged in the shell 6;
the output shaft of the motor 7 is in transmission connection with the transmission rod 3 through a gear set 8; an electronic control assembly 9 for driving the motor 7 is arranged in the housing 6;
the friction wheel assembly 2 comprises a bracket 23 arranged on the drawer body 1; a friction wheel 21 and a guide wheel 22 are arranged on the bracket 23 in pairs; the friction wheel 21 is connected with the output end of the transmission rod 3 in a key way and is in meshed contact with the upper surface of the guide strip 4; the guide wheel 22 is in rolling contact with the lower surface of the guide strip 4;
the shell 6 comprises an upper shell 61 and a lower shell 62 which are connected in an involutory way to form a shell inner cavity; the gear set 8 comprises a gear I81 and a gear II82 which are arranged in a meshing manner; a gear mounting position I621, a gear mounting position II622, a motor mounting position 623 and a transmission rod mounting position 624 are respectively arranged in the inner cavity of the shell; a gear I81 is arranged at the gear mounting position I621; a gear II82 is installed at the gear installation position II622, and a motor 7 is installed at the motor installation position 623; the transmission rod 3 is rotatably arranged on the transmission rod mounting position 624; the gear I81 is in transmission connection with the output shaft of the motor 7, and the gear II82 is in transmission connection with the output shaft of the transmission rod 3.
In the embodiment 2, the motor 7 is provided with a clutch and a Hall position sensor; when the power is normally supplied, the motor 7 rotates according to the instruction of the electric control assembly 9, the gear I81 is meshed with the gear I I82 to drive the transmission rod 3 to rotate, and the drawer body 1 is automatically opened and closed; when the power is cut off, the motor 7 stops rotating, the clutch is separated, and no braking force is output.
A tail braking device 701 is arranged at the tail of the motor 7; the rear brake 701 includes a brake clutch rotation disk 702 provided at the rear of the motor 7, a brake clutch longitudinal movement disk 703 longitudinally moving on the rear or bottom of the drawer body 1 to engage with the brake clutch rotation disk 702; the rear part of the brake clutch longitudinal moving plate 703 is connected with a return spring 704, the rear end of the return spring 704 is provided with an electromagnet sucker 705, and when the electromagnet sucker 705 is electrified, magnetic force is generated on the brake clutch longitudinal moving plate 703, so that the brake clutch longitudinal moving plate 703 is meshed with the brake clutch rotating plate 702 by overcoming the spring force of the return spring 704;
in embodiment 3, the brake clutch longitudinal movement disc 703 is coaxially connected with a longitudinal movement spline shaft 706; a longitudinal pushing spring resetting tailstock 707 with a longitudinal pushing inclined plane 708 is arranged at the tail part of the longitudinal moving spline shaft 706, a central guide shaft 709 is connected with the longitudinal pushing spring resetting tailstock 707 in a key guiding way, and a rotating inclined plane tailstock 710 is rotatably arranged at the other end of the central guide shaft 709; the central guide shaft 709 is connected with the longitudinal moving spline shaft 706 through a spring; the rotating inclined-plane tailstock 710 is in inclined-plane rotating contact with the longitudinal pushing spring resetting tailstock 707, so that the longitudinal moving spline shaft 706 is longitudinally pushed against the spring force;
the outer side walls of the longitudinal pushing spring return tailstock 707 and the rotating bevel tailstock 710 are sleeved with a rotating jacket 711, the tail end of the rotating bevel tailstock 710 is provided with a rotating slide key shaft 712,
a shank shifting spline 713 is provided on the rotary slide key shaft 712.
The utility model realizes the free drawing and braking of the drawer body 1 electrically and manually, the friction wheel component 2 realizes the stable free drawing, the transmission rod 3 realizes the transmission and can be in a plurality of transmission connections, the guide strip 4 realizes the guide support, the clutch transmission device 5 finishes the electric control to overcome the brake power-off connection brake and manually control the brake, the shell 6 is used as the carrier control, the motor 7 is an electric motor, the gear set 8 can be a plurality of electric control components 9 is a conventional circuit, the friction wheel 21, the guide wheel 22 realizes the support and the guide, the bracket 23 is used for the support, the gear I81, the gear II82 realizes the transmission connection, the gear installation position I621, the gear installation position II622, the motor installation position 623 and the transmission rod installation position 624 realize the position control, the tail brake device 701 operates specifically, when the manual control is not needed, the electrified electromagnet suction disc 705 is mutually attracted or repelled with the brake clutch longitudinal moving disc 703, overcoming the return spring 704 to achieve the in-place; when the power is off, the magnetic force disappears, and the brake of the brake clutch rotating disc 702 and the brake clutch rotating disc are engaged. When manual operation is required. The spline housing 713 is shifted through the belt handle, the rotating sliding key shaft 712 rotates, the central guide shaft 709 is a rotating central shaft, the rotating inclined plane tailstock 710 is rotatably meshed with the longitudinal pushing inclined plane 708, so that spring force is overcome, the brake disc is separated, free drawer control is achieved, and when braking is needed, the handle is reset.
The rotating longitudinal moving spline shaft 706 may be optional, and when omitted, the spring can be connected with the brake clutch longitudinal moving disc 703, the spring is pushed longitudinally to reset the tailstock 707, and the outer sleeve 711 is rotated, so that double insurance is achieved.
Adopt this patent transmission's drawer, on having possessed the basis that traditional electronic drawer pushed out the withdrawal function, no matter be the circumstances of outage/circular telegram, all can allow the user easily to pull open manually/push back the drawer, promote user experience greatly.
Clutch transmission 5 and support 23 are fixed on drawer body 1, and gear train 8 and outside transfer line 3, the friction wheelset 2 in the clutch transmission 5 link to each other, and gear train 8 rotates under the drive of motor 7 to drive friction wheelset 2 and move on guide strip 4, because support 23 and clutch transmission 5 are fixed with drawer body 1, drawer body 1 also follows and moves together.
The guide strips 4 are fixed on the wood boards at two sides of the kitchen bottom cabinet. The guide strips 4 and the friction wheel assemblies 2 are symmetrically arranged on two sides, so that the stability of push-pull movement is guaranteed.
In the figure, the housing 6 includes an upper case 61 and a lower case 62, which are fixed by screws. The lower case 62 includes a motor mounting location 623, a gear mounting location I622, a gear mounting location II621, and a drive rod 3 mounting location 624. Wherein the motor 7 and the gear 81 are coaxially locked and the transmission rod 3 and the gear 82 are coaxially locked. The motor 7 is provided with a clutch and a Hall position sensor, when the motor 7 is normally powered on, the motor 7 rotates according to the instruction of the electric control assembly 9, the gear I81 is meshed with the gear I I82 to drive the transmission rod 3 to rotate, and at the moment, a person does not intervene in the drawer, and the drawer is automatically opened and closed. When the power is off, the motor stops rotating, the clutch is separated, no braking force is output, if the drawer is opened or closed in a manual mode, the drawer drives the transmission rod and the motor to rotate in the reverse direction, the feeling is that the drawer can be easily opened or closed by hands with small force, and the experience feeling is the same as that of a common drawer without an electric function.
The friction wheel assembly comprises a friction wheel 21, a guide wheel 22 and a bracket 23, and the friction wheel and the guide wheel are fixed on the bracket. The bracket 23 is fixed on the drawer body.
When the drawer is normally powered on, the transmission rod 3 rotates to drive the friction wheel to move on the guide strip 4, so that the drawer body is driven to move forwards or backwards.
The present invention has been described in sufficient detail for clarity of disclosure and is not exhaustive of the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the utility model. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. An automatic switch drawer mechanism which characterized in that: comprises a drawer body (1) arranged in a drawing way; guide strips (4) for installing the drawer opening are arranged on the two sides of the drawer body (1); a friction wheel assembly (2) is arranged between the drawer body (1) and the guide strip (4); a transmission rod (3) in transmission connection with the friction wheel assembly (2) is arranged on the back or the bottom of the drawer body (1), and a clutch transmission device (5) in transmission connection with the transmission rod (3) is arranged on the back or the bottom of the drawer body (1);
the clutch transmission device (5) comprises a shell (6) and a gear set (8) which are arranged on the drawer body (1), and an electrically driven motor (7) is arranged in the shell (6);
the output shaft of the motor (7) is in transmission connection with the transmission rod (3) through a gear set (8); an electric control assembly (9) for driving the motor (7) is arranged in the shell (6);
the friction wheel assembly (2) comprises a bracket (23) arranged on the drawer body (1); a friction wheel (21) and a guide wheel (22) are arranged on the bracket (23) in pairs; the friction wheel (21) is in key connection with the output end of the transmission rod (3) and is in meshed contact with the upper surface of the guide strip (4); the guide wheel (22) is in rolling contact with the lower surface of the guide strip (4);
the shell (6) comprises an upper shell (61) and a lower shell (62) which are connected in an involutory way to form a shell inner cavity; the gear set (8) comprises a gear I (81) and a gear II (82) which are arranged in a meshed mode; a gear mounting position I (621), a gear mounting position II (622), a motor mounting position (623) and a transmission rod mounting position (624) are respectively arranged in the inner cavity of the shell; mounting a gear I (81) at a gear mounting position I (621); a gear II (82) is installed at a gear installation position II (622), and a motor (7) is installed at a motor installation position (623); the transmission rod (3) is arranged on the transmission rod mounting position (624) in a rotating way; the gear I (81) is in transmission connection with an output shaft of the motor (7), and the gear II (82) is in transmission connection with an output shaft of the transmission rod (3).
2. The automatic opening and closing drawer mechanism according to claim 1, wherein: the motor (7) is provided with a clutch and a Hall position sensor; when the drawer is normally powered on, the motor (7) rotates according to the instruction of the electric control assembly (9), the gear I (81) is meshed with the gear I I (82) to drive the transmission rod (3) to rotate, and the drawer body (1) is automatically opened and closed; when the power is cut off, the motor (7) stops rotating, and the clutch is separated.
3. The automatic opening and closing drawer mechanism according to claim 1, wherein: the tail part of the motor (7) is provided with a tail part braking device (701); the tail brake device (701) comprises a brake-clutch rotating disc (702) arranged at the tail of the motor (7), and a brake-clutch longitudinal moving disc (703) which moves longitudinally on the back or bottom of the drawer body (1) to be engaged with the brake-clutch rotating disc (702); the rear part of the brake clutch longitudinal moving plate (703) is connected with a return spring (704), the rear end of the return spring (704) is provided with an electromagnet sucker (705), and when the electromagnet sucker (705) is electrified, magnetic force is generated on the brake clutch longitudinal moving plate (703), so that the brake clutch longitudinal moving plate (703) overcomes the spring force of the return spring (704) and is meshed with the brake clutch rotating plate (702);
the brake clutch longitudinal moving disc (703) is coaxially connected with a longitudinal moving spline shaft (706); a longitudinal pushing spring resetting tailstock (707) with a longitudinal pushing inclined plane (708) is arranged at the tail part of the longitudinal moving spline shaft (706) or the brake clutch longitudinal moving disc (703), a central guide shaft (709) is connected with the longitudinal pushing spring resetting tailstock (707) in a key guiding way, and a rotating inclined plane tailstock (710) is rotatably arranged at the other end of the central guide shaft (709); the central guide shaft (709) is connected with a longitudinal moving spline shaft (706) or a brake clutch longitudinal moving disc (703) through a spring; the rotating inclined tailstock (710) is in inclined surface rotating contact with the longitudinal pushing spring resetting tailstock (707), so that the longitudinal moving spline shaft (706) or the brake clutch longitudinal moving disc (703) is longitudinally pushed against the spring force;
a rotating jacket (711) is sleeved on the outer side walls of the longitudinal pushing spring return tailstock (707) and the rotating inclined plane tailstock (710), a rotating sliding key shaft (712) is arranged at the tail end of the rotating inclined plane tailstock (710),
a shifting spline housing (713) with a handle is arranged on the rotary sliding key shaft (712).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220236942.XU CN217090037U (en) | 2021-06-02 | 2021-06-02 | Assembly of automatic opening and closing drawer mechanism |
| CN202121218759.9U CN216220799U (en) | 2021-06-02 | 2021-06-02 | Automatic opening and closing drawer mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121218759.9U CN216220799U (en) | 2021-06-02 | 2021-06-02 | Automatic opening and closing drawer mechanism |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220236942.XU Division CN217090037U (en) | 2021-06-02 | 2021-06-02 | Assembly of automatic opening and closing drawer mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216220799U true CN216220799U (en) | 2022-04-08 |
Family
ID=80938047
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220236942.XU Active CN217090037U (en) | 2021-06-02 | 2021-06-02 | Assembly of automatic opening and closing drawer mechanism |
| CN202121218759.9U Active CN216220799U (en) | 2021-06-02 | 2021-06-02 | Automatic opening and closing drawer mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220236942.XU Active CN217090037U (en) | 2021-06-02 | 2021-06-02 | Assembly of automatic opening and closing drawer mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN217090037U (en) |
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2021
- 2021-06-02 CN CN202220236942.XU patent/CN217090037U/en active Active
- 2021-06-02 CN CN202121218759.9U patent/CN216220799U/en active Active
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| Publication number | Publication date |
|---|---|
| CN217090037U (en) | 2022-08-02 |
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