CN219779927U

CN219779927U - Light-weight anti-torsion linear driver

Info

Publication number: CN219779927U
Application number: CN202321118293.4U
Authority: CN
Inventors: 牛杰
Original assignee: Huzhou Haidem Intelligent Technology Co ltd
Current assignee: Huzhou Haidem Intelligent Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-29
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a light-weight anti-torsion linear driver which comprises a shell, a motor, a driving wheel and a mounting block, wherein the motor, the driving wheel and the mounting block are arranged on the shell, a supporting rod is fixedly arranged on the outer wall of one side of the mounting block, an anti-torsion part is arranged on the outer wall of one side of the supporting rod, sliding grooves are formed in the anti-torsion part and the outer wall of one side of the supporting rod, the mounting block is connected to the sliding grooves in a sliding mode, and the mounting block is in driving connection with the driving wheel. The utility model provides a light-weight anti-torsion linear driver, installation piece sliding connection can guarantee that the installation piece is stable to slide under the inside motor of casing and the drive of drive wheel on bracing piece outer wall and anti-torsion portion outer wall, adopts anti-torsion portion to be connected with the installation piece, can reduce the thickness of bracing piece to can save material, reduction in production cost can improve the anti-torsion performance of bracing piece simultaneously, guarantees stable in structure operation.

Description

Light-weight anti-torsion linear driver

Technical Field

The utility model relates to the technical field of linear driver production, in particular to a light-weight anti-torsion linear driver.

Background

In order to realize the actions of lifting, descending, turning over and the like of intelligent furniture such as electric sofas, electric beds and the like, drivers are arranged in some intelligent furniture. At present, the existing driver mainly comprises a driving motor, a reduction gear, a shell, a screw rod, a push rod and a support rod, wherein the screw rod is positioned in an inner cavity of the push rod and is in threaded connection with the push rod; the head of the push rod is provided with a mounting block for being connected with furniture, the support rod is connected to the shell, the mounting block is prevented from colliding with the screw rod through the support rod, and the tail of the screw rod is mounted in the shell through a bearing; the shell is provided with a mounting hole for connecting with furniture; the reduction gear is arranged between the driving motor and the screw rod and used for transmitting power to enable the screw rod to rotate, so that the linear motion of the push rod is realized. The reduction of the thickness of the support rod can ensure that the installation block and the screw rod do not collide, and meanwhile, the production cost is greatly reduced.

According to publication No.: CN208226786U, published patent application No. 2018-12-11, discloses a high bearing capacity driver with the following structure, which comprises a driving motor, a first reduction gear, a second reduction gear, a lower half shell, an upper half shell, a screw rod, a push rod and a shell sleeved outside the push rod, wherein the tail part of the shell is clamped between the upper half shell and the lower half shell, the screw rod is positioned in an inner cavity of the push rod and is in threaded connection with the push rod, the head part of the push rod is provided with a first mounting hole, the driving motor is arranged on the lower half shell, a motor rotating shaft penetrates out of the lower half shell and then is positioned in a cavity enclosed between the upper half shell and the lower half shell, the first reduction gear is arranged on the motor rotating shaft, the second reduction gear is arranged at the tail part of the screw rod and is in meshed connection with the first reduction gear, the high bearing capacity driver also comprises an upper half support part and a lower half support part made of metal material, the tail part of the screw rod is arranged between the upper half support part and the lower half shell in a buckled connection mode, the tail part of the screw rod is arranged between the upper half shell and the lower half shell through a shaft bearing, the first mounting hole is arranged between the upper half support part and the lower half support part, the lug is arranged between the upper half support part and the lug part and the lower half support part, the lug part is arranged outside the upper half shell and the lug part is arranged outside the lug hole and the lug part is arranged outside and the lug hole is arranged outside and the upper half hole is arranged outside and the lug hole. The main technical effects are as follows: in normal operation, the upper and lower half shells will not bear the reverse thrust from the house transmitted by the screw rod, but instead bear the load by the upper and lower half supporting parts made of metal materials. Therefore, under some special environments, such as the conditions of higher bearing capacity requirement or too low environment temperature, the phenomenon of fracture of the upper and lower half shells is avoided, and meanwhile, the whole bearing capacity is greatly improved, and the service life is greatly prolonged.

In the prior art, the connecting strength of the mounting block is ensured by reducing the thickness of the support rod, the overall torsion resistance is reduced, and torsion is easy to occur due to insufficient structural strength in the carrying process.

Disclosure of Invention

The utility model aims to provide a light-weight anti-torsion linear driver, which aims to solve the problem that the thickness of a supporting rod is reduced in the prior art, and torsion is easy to occur due to insufficient structural strength in the carrying process.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a light-weight anti-torsion linear driver, includes the casing, still includes motor, drive wheel and the installation piece that sets up on the casing, fixed mounting has the bracing piece on the outer wall of installation piece one side, be provided with anti-torsion portion on the outer wall of bracing piece one side, all seted up the spout on anti-torsion portion and the outer wall of bracing piece one side, installation piece sliding connection is in the spout, installation piece keeps the transmission with the drive wheel to be connected.

Preferably, the inner wall of one side of the shell is provided with a mounting groove, a first positioning piece is arranged in the mounting groove, one end of the supporting rod is fixedly connected with the first positioning piece, the other end of the supporting rod is fixedly connected with a second positioning piece, and a protection sheet is arranged between the first positioning piece and the second positioning piece.

Preferably, a placing plate is arranged on the inner wall of one side of the supporting rod, and a bending part is arranged at one end of the placing plate.

Preferably, the inner wall on one side of the supporting rod is fixedly provided with an abutting rib, and the inner wall on one side of the mounting block is provided with an abutting part.

Preferably, a driving rod is arranged in the shell and fixedly connected to the output end of the motor, and the driving rod is in transmission connection with the driving wheel.

Preferably, the driving wheel is connected with a threaded rod, and the threaded rod is in threaded connection with the mounting block.

In the technical scheme, the light-weight anti-torsion linear driver provided by the utility model has the following beneficial effects:

according to the utility model, the mounting block is slidably connected to the outer wall of the support rod and the outer wall of the torsion-resistant part, so that the mounting block can stably slide under the driving of the motor and the driving wheel in the shell, and the torsion-resistant part is connected with the mounting block, so that the thickness of the support rod can be reduced, the material can be saved, the production cost can be reduced, the torsion resistance of the support rod can be improved, and the stable operation of the structure can be ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a mounting block according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a connection relationship of board mounting blocks according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an assembly structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a cross section of a support rod according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a housing; 2. a motor; 3. a driving wheel; 4. a mounting block; 5. a support rod; 6. a torsion-resistant portion; 7. a mounting groove; 8. a first positioning member; 9. a second positioning member; 10. a protective sheet; 11. placing a plate; 12. a bending part; 13. abutting the rib; 14. an abutting portion; 15. a driving rod; 16. a threaded rod.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, a light-weight anti-torsion linear driver comprises a housing 1, a motor 2, a driving wheel 3 and a mounting block 4, wherein the motor 2, the driving wheel 3 and the mounting block 4 are arranged on the housing 1, a supporting rod 5 is fixedly arranged on the outer wall of one side of the mounting block 4, an anti-torsion part 6 is arranged on the outer wall of one side of the supporting rod 5, sliding grooves are formed in the anti-torsion part 6 and the outer wall of one side of the supporting rod 5, the mounting block 4 is slidably connected with the sliding grooves, and the mounting block 4 is in transmission connection with the driving wheel 3.

Specifically, casing 1 is split type structure, accessible screw split, and motor 2 is fixed to be set up on casing 1, and motor 2's output runs through and extends to casing 1 inside, be provided with the recess with drive wheel 3 looks adaptation in casing 1's inside, drive wheel 3 rotates and sets up in the recess to through split type casing 1 structure, connect inside casing 1, as shown in fig. 2 and 3, be provided with antitorque portion 6 on the outer wall of bracing piece 5 one side, antitorque portion 6 constitutes "L" type structure with bracing piece 5, can increase bracing piece 5's antitorque commentaries on classics performance, reduces bracing piece 5 and takes place torsional deformation when the atress. Thereby can prevent to cause the damage to bracing piece 5 when the transport to and in the use, prevent that bracing piece 5 from taking place to warp, guarantee that installation piece 4 can smooth and easy slip, all seted up the spout on the outer wall of bracing piece 5 one side and on the outer wall of antitorque portion 6 one side, installation piece 4 sliding connection respectively in two spouts, can guarantee that installation piece 4 can be followed and slide on bracing piece 5 outer wall.

As shown in fig. 5, a connecting portion is disposed at one end of the supporting rod 5 opposite to the torsion-resistant portion 6 and is used for connecting with the first positioning member 8 and the second positioning member 9, so that the supporting rod 5, the torsion-resistant portion 6 and the connecting portion form a "U" structure, and the structural strength of the supporting rod 5 is increased.

According to the utility model, the mounting block 4 is slidably connected to the outer wall of the supporting rod 5 and the outer wall of the torsion-resistant part 6, so that the mounting block 4 can stably slide under the driving of the motor 2 and the driving wheel 3 in the shell 1, the torsion-resistant part 6 is connected with the mounting block 4, and the thickness of the supporting rod 5 can be reduced, thereby saving materials, reducing the production cost, improving the torsion resistance of the supporting rod 5 and ensuring stable structure operation.

The mounting groove 7 has been seted up on the inner wall of casing 1 one side on the outer wall of bracing piece 5 one side, the inside first setting element 8 that is provided with of mounting groove 7, first setting element 8 is connected through the one end of screw with bracing piece 5, the one end that first setting element 8 was kept away from at bracing piece 5 has second setting element 9 through threaded connection, first setting element 8 can make bracing piece 5 stable connection on casing 1, threaded rod 16 rotates in-process bracing piece 5 and takes place to rotate, be provided with protection piece 10 between first setting element 8 and the second setting element 9, protection piece 10 runs through in installation piece 4, make installation piece 4 and drive wheel 3 transmission junction be located protection piece 10 inside, thereby prevent that the foreign matter from entering into its inside, can guarantee that installation piece 4 and drive wheel 3 transmission junction stable connection.

The inner wall on one side of the supporting rod 5 is provided with a placing plate 11, as shown in the figure, one end of the placing plate 11 is provided with a bending part 12, the placing plate 11 can be provided with electronic components such as a sensor or a control unit, and meanwhile, the bending part 12 arranged at one end can assist in fixing the electronic components.

As shown in fig. 2 and 3, an abutment rib 13 is fixedly provided on the inner wall on the side of the support rod 5, an abutment portion 14 is provided on the inner wall on the side of the mounting block 4, a threaded rod 16 is connected to the driving wheel 3, the threaded rod 16 is in threaded connection with the mounting block 4, and the abutment rib 13 is in abutment with the abutment portion 14 on the mounting block 4, so that the mounting block 4 can be prevented from deforming to press the threaded rod 16 to cause damage when the mounting block 4 bears load.

As shown in fig. 4, a driving rod 15 is fixedly arranged at the output end of the motor 2, specifically, the driving rod 15 is a worm, the driving wheel 3 is a worm wheel, the driving rod 15 can be driven to rotate by the motor 2, and then the driving wheel 3 can be driven to rotate, and meanwhile, the driving wheel 3 can be provided with self-locking function, so that the driving wheel 3 is prevented from rotating without being driven by the motor 2.

Those skilled in the art will appreciate that other similar connections may implement the present utility model. Such as welding, bonding, or bolting.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a light-weight anti-torsion linear driver, includes casing (1), its characterized in that still includes motor (2), drive wheel (3) and installation piece (4) that set up on casing (1), fixed mounting has bracing piece (5) on the outer wall of installation piece (4) one side, be provided with antitorque portion (6) on the outer wall of bracing piece (5) one side, all seted up the spout on the outer wall of antitorque portion (6) and bracing piece (5) one side, installation piece (4) sliding connection is in the spout, installation piece (4) keep the transmission with drive wheel (3) to be connected.

2. The light-weight anti-torsion linear driver according to claim 1, wherein an installation groove (7) is formed in the inner wall of one side of the housing (1), a first positioning piece (8) is arranged in the installation groove (7), one end of the supporting rod (5) is fixedly connected with the first positioning piece (8), the other end of the supporting rod (5) is fixedly connected with a second positioning piece (9), and a protection sheet (10) is arranged between the first positioning piece (8) and the second positioning piece (9).

3. The light-weight anti-torsion linear driver according to claim 1, wherein a placing plate (11) is arranged on the inner wall of one side of the supporting rod (5), and a bending part (12) is arranged at one end of the placing plate (11).

4. The light-weight anti-torsion linear driver according to claim 1, wherein an abutting rib (13) is fixedly arranged on the inner wall of one side of the supporting rod (5), and an abutting portion (14) is arranged on the inner wall of one side of the mounting block (4).

5. A lightweight anti-twist linear actuator according to claim 1, characterized in that a driving rod (15) is arranged in the housing (1), the driving rod (15) is fixedly connected to the output end of the motor (2), and the driving rod (15) is in driving connection with the driving wheel (3).

6. A lightweight anti-twist linear drive as claimed in claim 1, wherein the drive wheel (3) is connected with a threaded rod (16), the threaded rod (16) being in threaded connection with the mounting block (4).