CN210135212U - Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware - Google Patents

Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware Download PDF

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Publication number
CN210135212U
CN210135212U CN201920990101.6U CN201920990101U CN210135212U CN 210135212 U CN210135212 U CN 210135212U CN 201920990101 U CN201920990101 U CN 201920990101U CN 210135212 U CN210135212 U CN 210135212U
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rack
motor
gear
working plane
limiting
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CN201920990101.6U
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Inventor
汪春节
叶伟林
刘小平
杨海潮
王光汉
孙娅丽
林玉绵
丁泺火
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

A gear rack tooth disengagement prevention mechanism comprises: the rack is arranged on the working plane and is static relative to the working plane; the gear is meshed with the rack and is controlled by a motor to roll along the rack; one end of the load is arranged on the motor and is used for moving along the rack under the driving of the motor; further comprising: and one end of the limiting component is arranged on the motor and synchronously moves with the motor, and the other end of the limiting component is connected with the working plane in a sliding manner and used for limiting the gear to move relatively far away from the rack. In the scheme, the gear is meshed with the rack and transmits pressure to the rack when moving along the rack, and the rack also applies a reaction force to the gear, so that the gear has a movement tendency of being separated from the rack. The spacing assembly limits the distance between the motor and the working plane, and the motor is limited to prevent the rack from overturning and separating from the rack.

Description

Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware
Technical Field
The utility model relates to a kitchen utensils and appliances technical field, concretely relates to prevent gear rack gear-disengaging's mechanism, elevating gear and lift kitchen utensils and appliances.
Background
The rack and pinion is a common mechanical transmission structure, and the conventional rack and pinion transmission mechanism comprises a motor, a gear arranged at the output end of the motor, and a rack meshed with the gear. When the transmission mechanism works, the motor is fixed on a preset working plane, and the rack is controlled by the gear to displace relative to the working plane so as to output power.
If the rack is fixed on the working plane, and the motor moves along the rack direction relative to the working plane along with the rotation of the gear, the load is connected with the motor, and the motor drives the load to move.
However, due to the interaction force between the gear and the rack, the gear engages with the rack and presses the rack when the rack rotates, and meanwhile, the rack applies an opposite force to the gear, and under the action of the opposite force, the gear is easy to be separated from the rack.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy and off-going defect mutually of gear among the prior art with the rack to provide a mechanism, elevating gear and the lift kitchen utensils and appliances of preventing rack and pinion gear from taking off the tooth.
A rack and pinion tooth loss prevention mechanism comprising:
the rack is arranged on the working plane and is static relative to the working plane;
the gear is meshed with the rack and is controlled by a motor to roll along the rack;
one end of the load is arranged on the motor and is used for moving along the rack under the driving of the motor;
further comprising:
and one end of the limiting component is arranged on the motor and synchronously moves with the motor, and the other end of the limiting component is connected with the working plane in a sliding manner and used for limiting the gear to move relatively far away from the rack.
The limiting component comprises a limiting component and a limiting component,
the connecting piece is detachably connected to the motor;
the limiting piece is connected with the connecting piece, supported below the working plane and connected with the connecting piece;
the sliding groove is formed in the working plane and used for enabling the connecting piece to slide in the sliding groove and preventing the limiting piece from passing through.
At least two rolling supporting pieces are arranged on the limiting piece, and the rolling supporting pieces are supported between the limiting piece and the working plane.
The connecting line between the two rolling supporting pieces and the sliding groove are perpendicular to each other and located on two sides of the extending direction of the sliding groove.
The limiting component comprises a limiting component and a limiting component,
one end of the connecting piece is connected to the motor;
the guide groove is arranged above the working plane, the other end of the connecting piece is embedded into the guide groove, and the guide groove is consistent with the extending direction of the rack.
The motor is connected with the motor through a limiting assembly, the motor is connected with the motor through a connecting frame, and the motor is connected with the motor through a limiting assembly.
A lifting device comprises a link mechanism, wherein the link mechanism comprises an input end and an output end, the input end is controlled by the gear rack tooth-disengaging prevention mechanism of any scheme, and the input end and a motor of the gear rack tooth-disengaging prevention mechanism synchronously move.
A lifting kitchen appliance comprising:
the kitchen ware lifting device comprises a shell, wherein a panel is arranged at the top of the shell, and a through hole for lifting the kitchen ware is formed in the panel;
in the lifting device of the above scheme, the lifting device is arranged inside the shell;
and the kitchen ware is arranged at the output end of the lifting device, and can be driven by the lifting device to move up and down relative to the via hole.
The connecting rod mechanism is a shear type supporting mechanism, a supporting wheel used for supporting the working plane is arranged at the input end of the shear type supporting mechanism, and a limiting track matched with the supporting wheel is arranged on the working plane.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a gear rack tooth-disengaging prevention mechanism, which comprises a rack, a rack fixing device and a rack fixing device, wherein the rack is arranged on a working plane and is static relative to the working plane; the gear is meshed with the rack and is controlled by a motor to roll along the rack; one end of the load is arranged on the motor and is used for moving along the rack under the driving of the motor; further comprising: and one end of the limiting component is arranged on the motor and synchronously moves with the motor, and the other end of the limiting component is connected with the working plane in a sliding manner and used for limiting the gear to move relatively far away from the rack.
When the motor works, the gear is driven to rotate, and the rack is fixed, so that the click moves along the length direction of the rack along with the rotation of the gear, and the load is driven to move together. As the gear moves along the rack, engaging the rack and transmitting pressure to the rack, the rack also applies a reaction force to the gear, causing the gear to have a tendency to move away from the rack. The spacing assembly limits the distance between the motor and the working plane, and the motor is limited to prevent the rack from overturning and separating from the rack.
2. The utility model provides a gear rack tooth-disengaging prevention mechanism, the limiting component comprises a connecting piece which is detachably connected with the motor; the limiting piece is connected with the connecting piece, supported below the working plane and connected with the connecting piece; the sliding groove is formed in the working plane and used for enabling the connecting piece to slide in the sliding groove and preventing the limiting piece from passing through.
The limiting assembly is connected with the motor through the connecting piece, when the motor works, the motor moves along the length direction of the rack by the aid of the gear, and the connecting piece and the motor synchronously move in the sliding groove. The connecting piece is connected with a limiting piece, the sliding groove is located between the limiting piece and the connecting piece, and the limiting piece prevents the connecting piece from being separated from the sliding groove. Therefore, when the gear has a movement tendency of being separated from the rack, the gear, the motor and the connecting piece are regarded as a whole, and the connecting piece is prevented from being separated from the sliding groove through the supporting action of the limiting piece, so that the purpose of preventing the gear from being separated from the rack is achieved.
3. The utility model provides a prevent gear rack gear-disengaging's mechanism, be equipped with two at least roll support piece on the locating part, roll support piece support in the locating part with between the holding surface.
When the motor moves, the limiting piece is abutted against the opening of the sliding groove, and the limiting piece is controlled by the connecting piece to be attached to the sliding groove or the working plane to slide. The rolling support piece in the scheme changes sliding friction into rolling friction, and reduces the resistance of the limiting assembly moving along with the motor.
4. The utility model provides a prevent mechanism that rack and pinion derailed tooth, two the line between the roll support piece with the spout is perpendicular each other and is located spout extending direction's both sides.
The rolling support piece of spout both sides is located to the symmetry, and the holding power that provides is more even, makes more steady of motor removal.
5. The utility model provides a gear rack tooth-disengaging prevention mechanism, the limiting component comprises a connecting piece, one end of which is connected with the motor; the guide way sets up the working plane top, the other end embedding of connecting piece in the guide way, the guide way is unanimous with the extending direction of rack rail.
The guide groove and the working plane can be located on different planes, the extending direction of the guide groove is parallel to the rack, and the limiting piece is limited to slide in the guide groove, so that the motor is limited, and the gear and the rack are prevented from being disengaged.
6. The utility model provides a prevent that rack and pinion from taking off mechanism of tooth still includes the link, and one end is connected the motor, spacing subassembly is connected on the link, the link other end is connected the load.
The motor and the load are connected through the connecting frame, and the connecting frame and the motor move synchronously so as to drive the load to move. The moving path of the connecting frame is limited through the limiting assembly, so that the movement of the motor is indirectly limited, and the gear and the rack are placed to be disengaged.
7. The utility model provides a lifting device, including link mechanism, link mechanism includes input and output, the input is controlled by the mechanism of preventing rack and pinion from taking off the tooth of above-mentioned arbitrary scheme, wherein the input with the motor of the mechanism of preventing rack and pinion from taking off the tooth takes place synchronous motion.
When the motor works, the motor moves along the length direction of the rack along with the gear, drives the input end of the connecting rod mechanism to act through the connecting frame, and finally drives the output end of the connecting rod mechanism to do lifting motion. Because the connecting frame is limited by the limiting function of the position limiting component, the action of the input end of the connecting rod mechanism is more stable, and the lifting action output by the lifting device is more stable.
8. The utility model provides a lifting kitchen ware, which comprises a shell, wherein the top of the shell is provided with a panel, and the panel is provided with a via hole for lifting the kitchen ware; in the lifting device of the above scheme, the lifting device is arranged inside the shell; and the kitchen ware is arranged at the output end of the lifting device, and can be driven by the lifting device to move up and down relative to the via hole.
Through above-mentioned elevating gear, drive the more steady operation that goes up and down of kitchen utensils and appliances.
9. The utility model provides a lifting kitchen ware, the input of cutting formula supporting mechanism is equipped with and is used for supporting work plane's supporting wheel, the last cooperation that is equipped with of work plane the spacing track of supporting wheel.
Through the cooperation of supporting wheel and spacing track, further inject the moving path of scissors elevating system input to make the lift of kitchen utensils and appliances more steady.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of a rack and pinion tooth-disengaging preventing mechanism, a lifting device and a lifting kitchen tool of the present invention;
FIG. 2 is a schematic structural diagram showing the mechanism for preventing the rack and pinion gear of FIG. 1 applied to a kitchen ware;
FIG. 3 is a left side view showing a structure of the rack and pinion tooth escape preventing mechanism of FIG. 2 applied to a kitchen utensil;
FIG. 4 is a bottom view showing a structure of the gear rack tooth-disengagement preventing mechanism of FIG. 2 applied to a kitchen utensil;
FIG. 5 is a schematic view showing the structure of a spacing assembly;
figure 6 is a schematic diagram illustrating an alternative embodiment of a stop assembly.
Description of reference numerals:
1-a motor; 2-a gear; 3-a rack; 4-a connecting frame; 5-load;
6-a limiting component; 7-kitchen ware;
51-a linkage mechanism;
61-a connector; 62-a stop; 63-a chute; 64-rolling support;
71-a support wheel; 72-limit track.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a gear rack tooth-disengaging prevention mechanism, as shown in fig. 1, which includes a rack 3 fixed on a working plane, and a gear 2 disposed above the rack 3 and engaged with the rack 3. The gear 2 is controlled by the motor 1, and when the motor 1 works, the gear 2 is driven to rotate, so that the motor 1 and the gear 2 move together along the length direction of the rack 3.
The connection manner of the load 5 and the motor is not particularly limited, and as shown in fig. 1, the load 5 is connected with the motor 1 through a connection frame in this embodiment. As an alternative embodiment, the load 5 may be directly connected to the motor 1, and may be connected by different connecting components according to different types and shapes of the load 5, so that the motor 1 may move to drive the load 5 to move synchronously.
The connection position of the limiting component 6 is not particularly limited, and with reference to fig. 1 and 3, the limiting component 6 is arranged below the working plane and passes through the working plane to be connected with the motor 1, and the limiting component 6 is supported below the working plane. The stop assembly 6 prevents the motor 1 from remaining on a plane parallel to the working plane. When the motor 1 and the gear 2 move, the limiting assembly 6 limits the moving path of the motor 1 to be parallel to the working plane, so that the gear 2 is prevented from being disengaged from the rack 3. As an alternative embodiment, as shown in fig. 6, the stop assembly 6 is entirely located above the work plane, and the movement of the motor 1 is limited to the sliding slot 63, thus preventing the gear 2 from being disengaged from the rack 3.
As shown in fig. 3, 4 and 5, the limiting component 6 in the present embodiment includes a connecting member 61, a limiting member 62 and a sliding groove 63. The connecting piece 61 is used for connecting the motor 1, the sliding groove 63 is used for the connecting piece 61 to penetrate through, and when the motor 1 moves along with the gear 2, the connecting piece 61 moves along the sliding groove 63. Wherein, during the movement of the gear 2, the gear is subject to the reaction force of the rack 3 and has the tendency of turning upwards and separating from the rack 3. The connecting piece 61 is connected with the limiting piece 62, the limiting piece 62 is supported below the working plane and slides below the joint sliding groove 63 along with the movement of the connecting piece 61, and the rack 3 and the gear 2 are prevented from being disengaged from each other.
The position of the sliding groove 63 and the relative position of the limiting member 62 and the working plane are not particularly limited, and in this embodiment, as shown in fig. 4, the sliding groove 63 is disposed on the working plane, and the limiting member 62 is supported below the working plane. As an alternative embodiment, as shown in fig. 6, the sliding groove 63 is disposed above the working plane, and the limiting member 62 is slidably connected in the sliding groove 63, so as to prevent the motor 1 from moving away from the working plane during the movement of the motor 1, and thus prevent the gear 2 and the rack 3 from being disengaged from each other.
The specific structure of the limiting member 62 is not particularly limited, and in the present embodiment, as shown in fig. 4 and 5, the limiting member 62 is provided with a rolling support 64. The rolling support member 64 is supported below the working plane, and when the connecting member 61 moves synchronously with the motor 1, the rolling support member 64 rolls along with the movement of the connecting member 61, so that the resistance of the limiting member 62 in the movement process is reduced. As an alternative embodiment, the rolling support 64 may be a ball, bearing.
The connection manner of the connecting member 61 and the connecting frame 4 is not particularly limited, and in the present embodiment, the connecting member 61 and the connecting frame 4 are connected by a screw thread. Alternatively, the connecting member 61 and the connecting frame 4 may be connected by a snap connection or a plug connection.
The specific structure of the load is not particularly limited, and in this embodiment, the load is a lifting mechanism, thereby constituting a lifting device. The specific structure of the lifting mechanism is not particularly limited, and in the present embodiment, as shown in fig. 2, the lifting mechanism is a scissor type lifting mechanism.
The specific application of the lifting device is not particularly limited, and in the embodiment, as shown in fig. 2, the lifting device is used for lifting the kitchen ware. Kitchen utensils and appliances include the casing, and the casing top is equipped with the panel, sets up the via hole that supplies kitchen utensils and appliances to go up and down to pass through on the panel, sets up above-mentioned formula elevating system of cutting in the casing, through the mechanism that prevents rack and pinion gear and gear tooth off of this embodiment, drives and cuts formula elevating system and realize kitchen utensils and appliances and go up and down for the via hole.
The specific category of the kitchen ware is not particularly limited, and in the embodiment, the kitchen ware is a kitchen range. When the cooker is used, the panel is exposed through the through hole, and after the cooker is used, the lifting device is driven by the gear rack tooth-disengaging prevention mechanism, so that the cooker descends through the through hole and is accommodated into the shell.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (9)

1. A rack and pinion tooth loss prevention mechanism comprising:
the rack (3) is arranged on the working plane and is static relative to the working plane;
the gear (2) is meshed with the rack (3) and is controlled by the motor (1) to roll along the rack (3);
one end of the load (5) is arranged on the motor (1) and is used for moving along the rack (3) under the driving of the motor;
it is characterized by also comprising:
and one end of the limiting component (6) is arranged on the motor (1) and moves synchronously with the motor (1), and the other end of the limiting component is connected with the working plane in a sliding manner and used for limiting the gear to move relatively far away from the rack.
2. The rack and pinion tooth loss prevention mechanism according to claim 1, wherein said limit stop assembly (6) comprises,
the connecting piece (61) is detachably connected to the motor (1);
the limiting piece (62) is connected with the connecting piece (61), supported below the working plane and connected with the connecting piece (61);
and the sliding groove (63) is arranged on the working plane, so that the connecting piece (61) slides in the sliding groove (63) and the limiting piece (62) is prevented from passing through.
3. The gear rack tooth disengagement prevention mechanism according to claim 2, wherein at least two rolling support members (64) are provided on the limiting member (62), and the rolling support members (64) are supported between the limiting member (62) and the working plane.
4. The rack and pinion tooth loss prevention mechanism according to claim 3, wherein a line connecting between said two rolling supports (64) and said slide groove (63) is perpendicular to each other and located on both sides of an extending direction of said slide groove (63).
5. The rack and pinion tooth loss prevention mechanism according to claim 1, wherein said limit stop assembly (6) comprises,
one end of the connecting piece is connected to the motor;
the guide groove is arranged above the working plane, the other end of the connecting piece is embedded into the guide groove, and the guide groove is consistent with the extending direction of the rack (3).
6. The rack and pinion tooth loss prevention mechanism according to any one of claims 1 to 5, further comprising:
the motor (1) is connected to link (4), one end, spacing subassembly (6) are connected on link (4), the link (4) other end is connected load (5).
7. A lifting device, characterized by comprising a link mechanism (51), wherein the link mechanism (51) comprises an input end and an output end, the input end is controlled by the gear rack tooth-disengagement preventing mechanism according to any one of claims 1-6, and the input end and a motor (1) of the gear rack tooth-disengagement preventing mechanism synchronously move.
8. A lifting kitchen ware is characterized in that: comprises that
The kitchen ware lifting device comprises a shell, wherein a panel is arranged at the top of the shell, and a through hole for lifting the kitchen ware is formed in the panel;
the lift device of claim 7 disposed inside said housing;
and the kitchen ware (7) is arranged at the output end of the lifting device, and can be driven by the lifting device to move up and down relative to the via hole.
9. The lifting cookware according to claim 8, wherein: the connecting rod mechanism is a shear type supporting mechanism, a supporting wheel (71) used for supporting the working plane is arranged at the input end of the shear type supporting mechanism, and a limiting track (72) matched with the supporting wheel is arranged on the working plane.
CN201920990101.6U 2019-06-27 2019-06-27 Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware Active CN210135212U (en)

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CN201920990101.6U CN210135212U (en) 2019-06-27 2019-06-27 Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920990101.6U CN210135212U (en) 2019-06-27 2019-06-27 Mechanism for preventing gear rack from disengaging, lifting device and lifting kitchen ware

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CN210135212U true CN210135212U (en) 2020-03-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230676A (en) * 2019-06-27 2019-09-13 珠海格力电器股份有限公司 A kind of anti-rack-and-pinion takes off mechanism, lifting device and the lifting kitchen tools of tooth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230676A (en) * 2019-06-27 2019-09-13 珠海格力电器股份有限公司 A kind of anti-rack-and-pinion takes off mechanism, lifting device and the lifting kitchen tools of tooth

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