CN213696085U - Electric lifting mechanism's that electric lift table was used brake structure - Google Patents
Electric lifting mechanism's that electric lift table was used brake structure Download PDFInfo
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- CN213696085U CN213696085U CN202021543127.5U CN202021543127U CN213696085U CN 213696085 U CN213696085 U CN 213696085U CN 202021543127 U CN202021543127 U CN 202021543127U CN 213696085 U CN213696085 U CN 213696085U
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Abstract
The utility model relates to the technical field of electric lifting tables, in particular to a brake structure of an electric lifting mechanism for an electric lifting table, which comprises a motor, a speed reducer, a screw rod connected with the output end of the speed reducer and a nut sleeved outside the screw rod in a screwed manner; the nut is fixedly arranged on the fixed table leg of the external electric lifting table, and the motor is fixedly arranged on the lifting table leg of the external electric lifting table; the base is arranged on the fixed table legs in a sliding mode, the torsion spring seat is fixedly arranged on the lead screw and is arranged in the base in a rotating mode, the torsion spring piece is sleeved on the outer side of the torsion spring seat and is located between the torsion spring seat and the base, and one end of the torsion spring piece is arranged on the torsion spring seat; when the torsion spring part is driven by the positive driving force transmitted by the speed reducer, the radial dimension of the torsion spring part shrinks to hold the torsion spring seat, and the power is normally transmitted; when the screw rod rotates actively, the radial size of the driving torsion spring piece is enlarged and is abutted against the base body, and braking self-locking is realized by means of the friction force between the torsion spring piece and the base body.
Description
Technical Field
The utility model relates to an electric lift table technical field especially discloses an electric lift mechanism's that electric lift table was used brake structure.
Background
Along with the progress of science and technology, intelligent house product has become one of more and more families' furniture, for example, can adjust the electric lift table of table height is the one of intelligent house, in the use of electric lift table, with the help of the electric lift mechanism drive table of electric lift table rise or descend for the table height can satisfy multiple demand.
Among the prior art electric lift mechanism design is unreasonable, rises or descends to required height after when the table, receives the external world when touching or striking when the table, because electric lift mechanism does not dispose brake self-locking mechanism, the high secondary that can take place of table often removes, inconvenient use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a brake structure of an electric lifting mechanism for an electric lifting table, when a torsional spring piece is driven by a forward driving force transmitted by a reducer, the radial dimension of the torsional spring piece shrinks to hold a torsional spring seat, and the power is normally transmitted; when the screw rod rotates actively, the radial size of the driving torsion spring piece is enlarged and is abutted against the base body, and braking self-locking is realized by means of the friction force between the torsion spring piece and the base body.
In order to achieve the above object, the brake structure of the electric lifting mechanism for the electric lifting table of the utility model comprises a motor, a reducer used in cooperation with the motor, a lead screw connected with the output end of the reducer, and a nut sleeved outside the lead screw in a screwed manner; the nut is fixedly arranged on the fixed table leg of the external electric lifting table, and the motor is fixedly arranged on the lifting table leg of the external electric lifting table; the base is arranged on the fixed table legs in a sliding mode, the torsion spring seat is fixedly arranged in the screw rod and is arranged in the base in a rotating mode, the torsion spring piece is sleeved on the outer side of the torsion spring seat and is located between the torsion spring seat and the base, one end of the torsion spring piece is arranged on the torsion spring seat, and the radial size of the torsion spring piece stretches out and draws back to be in contact with or separated from the base.
The torsion spring seat comprises a first arc piece and a second arc piece, the first arc piece and the second arc piece are clamped outside the screw rod piece, the torsion spring piece is sleeved outside the first arc piece and the second arc piece, and one end of the torsion spring piece extends into the space between the first arc piece and the second arc piece.
The reducer comprises a containing shell, a cover plate, a first shaft body and a gear part, wherein the containing shell is used for fixing the lifting table legs, the first shaft body is rotatably arranged on the containing shell or/and the cover plate, the gear part is arranged on the first shaft body, the cover plate is detachably connected with the containing shell and is used for packaging the first shaft body and the gear part in the containing shell, and the first shaft body is connected with a screw rod; the motor is arranged on the containing shell or/and the cover plate, the motor is provided with a rotating second shaft body, and the second shaft body is provided with a worm meshed with the gear piece.
The reducer further comprises a bottom shell and a fixing piece, the bottom shell is fixedly connected with the lifting table legs, the containing shell is clamped between the bottom shell and the cover plate, the fixing piece is used for fixing the bottom shell, the containing shell and the cover plate together, and the motor is fixed on the containing shell.
Wherein, first axis body, gear spare formula structure as an organic whole, first axis body are equipped with the hexagonal hole, and the hexagonal hole extends the setting along the length direction of first axis body, and the lead screw is equipped with the hexagonal portion of holding establishing in the hexagonal hole.
Wherein, still include fastener and shock pad, the drain pan has the body and from the protruding portion of body projection, and the one end of first axis body is rotated and is set up in the body, and the fastener is used for fixing protruding portion on the lift table leg, and the shock pad centre gripping is between protruding portion and lift table leg.
Wherein, the quantity of protruding board portion is a plurality of, and a plurality of protruding board portions set up around the body, protruding board portion, fastener, shock pad one-to-one, and the fastener is the screw thread nail, and the lift table leg is equipped with the screw thread blind hole, and the screw thread nail runs through protruding board portion and shock pad spiro union in the screw thread blind hole.
The utility model has the advantages that: when the brake structure of the electric lifting mechanism for the electric lifting table is used, the radial size of the torsion spring piece shrinks and embraces the torsion spring seat when the torsion spring piece is subjected to the forward driving force transmitted by the speed reducer, and the power is normally transmitted; when the screw rod rotates actively, the radial size of the driving torsion spring piece is enlarged and is abutted against the base body, and braking self-locking is realized by means of the friction force between the torsion spring piece and the base body.
Drawings
Fig. 1 is a schematic exploded view of the present invention;
fig. 2 is an exploded schematic view of the speed reducer and the motor of the present invention.
The reference numerals include:
1-motor 2-speed reducer 3-screw rod
4-nut 5-seat 6-torsional spring
7-torsion spring seat 8-first arc piece 9-second arc piece
11-containing shell 12-cover plate 13-first shaft body
14-gear member 15-second shaft body 16-worm
17-bottom shell 18-hexagonal hole 19-fastener
21-shock pad 22-raised plate part 111-fixed table leg
112-lifting table legs.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 2, the brake structure of an electric lifting mechanism for an electric lifting table of the present invention includes a motor 1, a speed reducer 2 used in cooperation with the motor 1, a screw rod 3 connected to an output end of the speed reducer 2, and a nut 4 sleeved on an outer side of the screw rod 3 by a screw connection.
The base body 5 is arranged in the fixed table legs 111 in a sliding mode, the fixed table legs 111 are approximately hollow tubes, the base body 5 and the lifting table legs 112 are located in the fixed table legs 111, the lead screw 3 is located in the lifting table legs 112, the torsion spring base 7 is fixedly arranged on the lead screw 3 and is rotatably arranged in the base body 5, the torsion spring piece 6 is sleeved on the outer side of the torsion spring base 7 and is located between the torsion spring base 7 and the base body 5, the base body 5 is provided with blind holes used for containing the torsion spring piece 6 and the torsion spring base 7, one end of the torsion spring piece 6 is arranged on the torsion spring base 7, and the radial dimension of the torsion spring piece 6 stretches out and draws back so as to be in contact with or be separated from the base. Preferably, the torsion spring seat 7 has an annular blind groove, the annular blind groove is formed by recessing the outer side surface of the torsion spring seat 7, and the torsion spring piece 6 is accommodated in the annular blind groove.
When the brake structure of the electric lifting mechanism for the electric lifting table is used, the radial size of the torsion spring piece 6 shrinks to hold the torsion spring seat 7 when the torsion spring piece 6 is subjected to the forward driving force transmitted by the speed reducer 2, and the power is normally transmitted; when the screw rod 3 rotates actively, the radial size of the driving torsion spring piece 6 is enlarged and is abutted against the seat body 5, and the brake self-locking is realized by means of the friction force between the torsion spring piece 6 and the seat body 5.
The torsion spring seat 7 comprises a first arc piece 8 and a second arc piece 9, the arc pieces are approximately semi-annular, the first arc piece 8 and the second arc piece 9 are respectively positioned at the left side and the right side of the screw rod 3, the first arc piece 8 and the second arc piece 9 are clamped at the outer sides of the screw rod 3, the torsion spring piece 6 is sleeved at the outer sides of the first arc piece 8 and the second arc piece 9, and one end of the torsion spring piece 6 extends into the space between the first arc piece 8 and the second arc piece 9.
The speed reducer 2 comprises a containing shell 11, a cover plate 12, a first shaft 13 and a gear piece 14, the containing shell 11 fixes a lifting table leg 112, the first shaft 13 is rotatably arranged on the containing shell 11 or/and the cover plate 12, the gear piece 14 is arranged on the first shaft 13, the cover plate 12 is detachably connected with the containing shell 11 and is used for packaging the first shaft 13 and the gear piece 14 in the containing shell 11, and the first shaft 13 is connected with a screw rod 3; the motor 1 is fixed on the housing 11 or/and the cover plate 12, and of course, according to actual needs, the motor 1 may be fixed on the housing 11 alone, may also be fixed on the cover plate 12 alone, may also be fixed on the stationary housing and the cover plate 12 at the same time, the motor 1 is provided with a rotating second shaft body 15, and the second shaft body 15 has a worm 16 engaged with the gear member 14.
The reducer 2 further comprises a bottom shell 17 and a fixing piece, wherein the bottom shell 17 is fixedly connected with the lifting table legs 112, the accommodating shell 11 is clamped between the bottom shell 17 and the cover plate 12, the fixing piece is used for fixing the bottom shell 17, the accommodating shell 11 and the cover plate 12 together, and the motor 1 is fixed on the accommodating shell 11.
During actual installation, firstly, the speed reducer 2 is assembled, then the motor 1 is installed on the accommodating shell 11, and finally, the installation of the speed reducer 2 and the motor 1 can be completed by means of the installation of the bottom shell 17 and the lifting table legs 112, so that the installation efficiency is improved. Of course, the connection between the bottom shell 17 and the lifting table legs 112 can be removed to complete the removal of the speed reducer 2 and the motor 1, thereby improving the removal efficiency of the two.
The first shaft body 13 and the gear piece 14 are of an integrated structure, so that the time required by connection of the first shaft body and the gear piece is saved, and the transmission stability of the first shaft body and the gear piece is ensured. The first shaft body 13 is provided with a hexagonal hole 18, the hexagonal hole 18 extends in the longitudinal direction of the first shaft body 13, and the screw rod 3 is provided with a hexagonal part accommodated in the hexagonal hole 18. When the first shaft 13 drives the screw rod 3 to rotate, the inner hole of the hexagonal hole 18 is abutted against the stop of the hexagonal part, so that the screw rod 3 and the first shaft 13 are prevented from rotating relatively, and the synchronous rotation of the two is ensured.
The bottom shell 17 is provided with a body and a protruding plate portion 22 protruding from the body, one end of the first shaft 13 is rotatably arranged on the body, the other end of the first shaft 13 is rotatably arranged on the cover plate 12, the fastener 19 is used for fixing the protruding plate portion 22 on the lifting table leg 112, and the shock pad 21 is clamped between the protruding plate portion 22 and the lifting table leg 112. The shock absorbing pad 21 is used for absorbing external shock, and the shock absorbing pad 21 is arranged to prevent the external shock from being directly transmitted to the speed reducer 2 to cause poor transmission between the gear piece 14 and the worm 16. Preferably, the damper pad 21 is made of silicone.
The quantity of protruding board portion 22 is a plurality of, and a plurality of protruding board portions 22 set up around the body, protruding board portion 22, fastener 19, shock pad 21 one-to-one, and fastener 19 is the screw, and lift table leg 112 is equipped with the screw blind hole, and the screw runs through protruding board portion 22 and shock pad 21 spiro union in the screw blind hole. In this embodiment, the number of the protruding plate portions 22 is three, and the connecting lines between the fastening members 19 of the three protruding plate portions 22 are triangular, so as to ensure that the bottom housing 17 is stably mounted on the elevating table leg 112 by virtue of the stability of the triangular structure.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. A brake structure of an electric lifting mechanism for an electric lifting table comprises a motor, a speed reducer matched with the motor, a screw rod connected with the output end of the speed reducer, and a nut sleeved on the outer side of the screw rod in a threaded manner; the nut is fixedly arranged on the fixed table leg of the external electric lifting table, and the motor is fixedly arranged on the lifting table leg of the external electric lifting table; the method is characterized in that: the base is arranged on the fixed table legs in a sliding mode, the torsion spring seat is fixedly arranged in the screw rod and is arranged in the base in a rotating mode, the torsion spring piece is sleeved on the outer side of the torsion spring seat and is located between the torsion spring seat and the base, one end of the torsion spring piece is arranged on the torsion spring seat, and the radial size of the torsion spring piece stretches out and draws back to be in contact with or separated from the base.
2. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 1, wherein: the torsion spring seat comprises a first arc piece and a second arc piece, the first arc piece and the second arc piece are clamped outside the screw rod piece, the torsion spring piece is sleeved outside the first arc piece and the second arc piece, and one end of the torsion spring piece extends into the space between the first arc piece and the second arc piece.
3. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 1, wherein: the reducer comprises a containing shell, a cover plate, a first shaft body and a gear part, wherein the containing shell is used for fixing the lifting table legs, the first shaft body is rotatably arranged on the containing shell or/and the cover plate, the gear part is arranged on the first shaft body, the cover plate is detachably connected with the containing shell and is used for packaging the first shaft body and the gear part in the containing shell, and the first shaft body is connected with a screw rod; the motor is arranged on the containing shell or/and the cover plate, the motor is provided with a rotating second shaft body, and the second shaft body is provided with a worm meshed with the gear piece.
4. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 3, wherein: the reducer further comprises a bottom shell and a fixing piece, the bottom shell is fixedly connected with the lifting table legs, the containing shell is clamped between the bottom shell and the cover plate, the fixing piece is used for fixing the bottom shell, the containing shell and the cover plate together, and the motor is fixed on the containing shell.
5. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 4, wherein: first axis body, gear spare formula structure as an organic whole, first axis body are equipped with the hexagonal hole, and the hexagonal hole extends the setting along the length direction of first axis body, and the lead screw is equipped with the hexagonal portion of holding establishing in the hexagonal hole.
6. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 4, wherein: still include fastener and shock pad, the drain pan has the body and from the protruding portion of body projection, and the one end of first axis body is rotated and is set up in the body, and the fastener is used for fixing protruding portion on the lift table leg, and the shock pad centre gripping is between protruding portion and lift table leg.
7. The brake structure of the electric lift mechanism for the electric lift table as set forth in claim 6, wherein: the quantity of process board portion is a plurality of, and a plurality of process board portion set up around the body, process board portion, fastener, shock pad one-to-one, and the fastener is the screw thread nail, and the lift table leg is equipped with the screw thread blind hole, and the screw thread nail runs through process board portion and shock pad spiro union in the screw thread blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543127.5U CN213696085U (en) | 2020-07-30 | 2020-07-30 | Electric lifting mechanism's that electric lift table was used brake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543127.5U CN213696085U (en) | 2020-07-30 | 2020-07-30 | Electric lifting mechanism's that electric lift table was used brake structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213696085U true CN213696085U (en) | 2021-07-16 |
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ID=76767130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021543127.5U Active CN213696085U (en) | 2020-07-30 | 2020-07-30 | Electric lifting mechanism's that electric lift table was used brake structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213696085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024140321A1 (en) * | 2022-12-26 | 2024-07-04 | 浙江联宜电机有限公司 | Lifting mechanism for lifting table, and lifting table |
-
2020
- 2020-07-30 CN CN202021543127.5U patent/CN213696085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024140321A1 (en) * | 2022-12-26 | 2024-07-04 | 浙江联宜电机有限公司 | Lifting mechanism for lifting table, and lifting table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 516000 Huidong industrial transfer park, Daling Town, Huidong County, Huizhou City, Guangdong Province Patentee after: Huizhou Jinli variable speed Industrial Development Co.,Ltd. Address before: 516300 Huidong industrial transfer park, Daling Town, Huidong County, Huizhou City, Guangdong Province Patentee before: Huizhou Jinli Intelligent Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |