Driving gear box and lifting mechanism

Abstract

The utility model discloses a driving gear box and a lifting mechanism, comprising a body provided with a first mounting part and a second mounting part; the motor is mounted on the first mounting part; the gear set is mounted on the second mounting part, and the gear set comprises a first-stage gear in transmission fit with a motor and further comprises a plurality of stages of transmission gears; wherein the second mounting part is provided with an oil sealing cavity, at least the first-stage gear and the first-stage transmission gear are located in the oil sealing cavity, and an injection port communicated with the oil sealing cavity is further included and used for adding grease; the oil sealing cavity is additionally formed in the high-speed-stage position in the reduction gearbox, so that grease is effectively prevented from being thrown away during high-speed-stage rotation; it is ensured that the oil seal is immersed in grease during first-stage high-speed transmission, so that noise in the lifting process is greatly reduced, filling of the grease is more convenient by additionally arranging an injection opening, and the whole oil seal cavity is more easily filled with the grease.

Description

Technical Field

[0001] This utility model relates to the field of bathroom fixtures, specifically to a drive gearbox and lifting mechanism. Background Technology

[0002] With the development of society, the types of products with different functions are also increasing. In order to facilitate the use of people of different heights, toilets and bathroom cabinets that can be raised and lowered have also emerged. The raising and lowering of the lifting mechanism is controlled by a geared motor. However, the existing gearboxes are prone to splattering grease during the rotation of the high-speed gears, making it difficult for the grease to adhere to the high-speed gears, and the working process still generates a lot of noise. Utility Model Content

[0003] To solve at least one of the above-mentioned technical problems, this utility model provides a drive gearbox and lifting mechanism. By adding an oil sealing chamber at the high-speed stage position in the gearbox, this application effectively prevents the grease from being flung away when the high-speed stage rotates; and ensures that the first stage high-speed transmission is immersed in the grease, thereby greatly reducing the noise during the lifting process.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A drive gearbox, comprising:

[0006] The main body is provided with a first mounting part and a second mounting part;

[0007] The motor is installed in the first mounting part;

[0008] A gear set is installed in the second mounting part. The gear set includes a primary gear that drives the motor and several stages of transmission gears.

[0009] The second mounting part is provided with an oil sealing cavity, and at least the first-stage gear and the first-stage transmission gear are located in the oil sealing cavity;

[0010] It also includes an injection port connected to the oil sealing cavity, which is used to add grease.

[0011] Preferably, the body includes a front shell and a rear shell, and a first receiving cavity is provided on one side of the front shell, the first receiving cavity forming a first mounting part for accommodating the motor.

[0012] Preferably, the rear housing is mounted on the side of the front housing opposite to the first receiving cavity, and the rear housing and the front housing form a second receiving cavity, which forms a second mounting portion for accommodating the gear set.

[0013] Preferably, the second receiving cavity is provided with a partition cavity, and further includes an oil sealing cap that cooperates with the partition cavity. The oil sealing cap and the partition cavity cooperate to form the oil sealing cavity, and the oil sealing cap and / or the partition cavity are provided with the injection port.

[0014] Preferably, the primary gear and the first-stage transmission gear are located within the oil sealing chamber, and the oil sealing cover has a through hole for the second-stage transmission gear to extend out.

[0015] Preferably, the second receiving cavity forms the oil sealing cavity, and the second receiving cavity is a sealing cavity.

[0016] Preferably, the front shell and / or the rear shell are provided with the injection port.

[0017] This utility model also proposes a lifting mechanism, including the drive gearbox described in any of the above claims. The lifting mechanism includes a base and a support, with a screw assembly provided between the base and the support. The gearbox is used to drive the screw assembly to rotate, thereby causing the support to rise or fall relative to the base.

[0018] The beneficial effects of this utility model are:

[0019] 1. A drive gearbox and lifting mechanism, comprising a body, having a first mounting portion and a second mounting portion; a motor, mounted on the first mounting portion; a gear set, mounted on the second mounting portion, the gear set including a primary gear that drives the motor, and several stages of transmission gears; wherein the second mounting portion is provided with an oil sealing chamber, at least the primary gear and the first stage transmission gear are located within the oil sealing chamber. This application, by adding an oil sealing chamber at the high-speed stage position within the gearbox, effectively prevents grease from being flung away when the high-speed stage rotates; ensures that the first stage high-speed transmission is immersed in grease, thereby greatly reducing noise during the lifting process; and by adding an injection port, it is easier to fill the grease and more easily fill the entire oil sealing chamber.

[0020] 2. The second receiving cavity is provided with a partition cavity and also includes an oil sealing cap that cooperates with the partition cavity. The oil sealing cap and the partition cavity cooperate to form the oil sealing cavity, which can better contain the grease in the oil sealing cavity.

[0021] 3. The primary gear and the first-stage transmission gear are located inside the oil sealing chamber, and the oil sealing cover is provided with a through hole for the second-stage transmission gear to extend out, so that the primary gear and the first-stage transmission gear are always immersed in grease during operation. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0023] Figure 1 This is an assembly drawing of a drive gearbox according to the present invention;

[0024] Figure 2 This is an exploded view of a drive gearbox according to the present invention;

[0025] Figure 3 This is a schematic diagram of the front housing and oil seal of a drive gearbox according to the present invention;

[0026] Figure 4 This is an assembly diagram of the front housing and oil seal cap of a drive gearbox according to the present invention.

[0027] Body-10; Front shell-11; First receiving cavity-111; Second receiving cavity-112; Rear shell-12; Oil sealing cavity-13;

[0028] Motor -20; First stage gear -21;

[0029] Gear set-30; First stage transmission gear-30a; Second stage transmission gear-30b;

[0030] Oil seal cap - 40; through hole - 41; injection port - 42. Detailed Implementation

[0031] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0032] like Figures 1 to 4 As shown, a drive gearbox includes: a body 10, which has a first mounting part and a second mounting part; a motor 20, which is mounted on the first mounting part; and a gear set 30, which is mounted on the second mounting part. The gear set 30 includes a primary gear 21 that is driven and cooperates with the motor 20, and also includes several stages of transmission gears.

[0033] The second mounting part is provided with an oil sealing cavity 13, at least the first-stage gear 21 and the first-stage transmission gear 30a are located in the oil sealing cavity 13, and also includes an injection port 42 connected to the oil sealing cavity 13, the injection port 42 being used to add grease.

[0034] In this embodiment, the body 10 includes a front shell 11 and a rear shell 12. A first receiving cavity 111 is provided on one side of the front shell 11. The first receiving cavity 111 forms a first mounting part for accommodating the motor 20.

[0035] In this embodiment, the rear shell 12 is installed on the side of the front shell 11 opposite to the first receiving cavity 111, and the rear shell 12 and the front shell 11 form a second receiving cavity 112, which is a second mounting part for accommodating the gear set 30.

[0036] In this embodiment, the second receiving cavity 112 is provided with a partition cavity, and also includes an oil sealing cap 40 that cooperates with the partition cavity. The oil sealing cap 40 and the partition cavity cooperate to form the oil sealing cavity 13. The oil sealing cap 40 and / or the partition cavity are provided with the injection port 42. Specifically, the oil sealing cap 40 is provided with the injection port 42.

[0037] In this embodiment, the primary gear 21 and the first-stage transmission gear 30a are located inside the oil sealing cavity 13, and the oil sealing cover 40 is provided with a through hole 41 for the second-stage transmission gear 30b to extend out.

[0038] In this embodiment, an injection port 42 connected to the oil sealing cavity 13 is also included. The injection port 42 is used to add grease. Specifically, the oil sealing cap 40 is provided with an injection port 42.

[0039] In other embodiments (not shown), the second receiving cavity 112 forms the oil sealing cavity 13. The second receiving cavity 112 is a sealed cavity, such that the gear set 30 and the first stage gear 21 are both immersed in the oil sealing cavity 13. The front shell 11 and / or the rear shell 12 are provided with the injection port 42.

[0040] This application effectively prevents grease from being flung away when the high-speed stage rotates by adding an oil sealing chamber 13 at the high-speed stage position in the gearbox; ensures that the first stage high-speed transmission is immersed in grease, thereby greatly reducing noise during the lifting process; and by adding an injection port 42, it is easier to fill the grease and fill the entire oil sealing chamber 13 more easily.

[0041] This utility model also proposes a lifting mechanism (not shown), including the above-mentioned drive gearbox. The lifting mechanism includes a base and a support, and a screw assembly is provided between the base and the support. The gearbox is used to drive the screw assembly to rotate, thereby driving the support to rise or fall relative to the base.

[0042] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or related technical or knowledge. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A drive gearbox, characterized in that, include: The main body is provided with a first mounting part and a second mounting part; The motor is installed in the first mounting part; A gear set is installed in the second mounting part. The gear set includes a primary gear that drives the motor and several stages of transmission gears. The second mounting part is provided with an oil sealing cavity, and at least the first-stage gear and the first-stage transmission gear are located in the oil sealing cavity; It also includes an injection port connected to the oil sealing cavity, which is used to add grease.

2. A drive gearbox according to claim 1, characterized in that, The main body includes a front shell and a rear shell. A first receiving cavity is provided on one side of the front shell, and the first receiving cavity forms a first mounting part for accommodating the motor.

3. A drive gearbox according to claim 2, characterized in that, The rear housing is mounted on the side of the front housing opposite to the first receiving cavity, and the rear housing and the front housing together form a second receiving cavity, which is a second mounting part for accommodating the gear set.

4. A drive gearbox according to claim 3, characterized in that, The second receiving cavity is provided with a partition cavity and also includes an oil sealing cap that cooperates with the partition cavity. The oil sealing cap and the partition cavity cooperate to form the oil sealing cavity, and the oil sealing cap and / or the partition cavity are provided with the injection port.

5. A drive gearbox according to claim 4, characterized in that, The primary gear and the first-stage transmission gear are located inside the oil sealing chamber, and the oil sealing cover is provided with a through hole for the second-stage transmission gear to extend out.

6. A drive gearbox according to claim 3, characterized in that, The second receiving cavity forms the oil sealing cavity, and the second receiving cavity is a sealing cavity.

7. A drive gearbox according to claim 6, characterized in that, The front shell and / or the rear shell are provided with the injection port.

8. A lifting mechanism, characterized in that, The lifting mechanism includes the drive gearbox as described in any one of claims 1-7, and includes a base and a support. A screw assembly is provided between the base and the support. The gearbox is used to drive the screw assembly to rotate, thereby driving the support to rise or fall relative to the base.

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