Waterproof electric cylinder

Abstract

The utility model relates to a waterproof electric cylinder which comprises a base, a motor and a cylinder barrel are arranged on the base, a first sealing assembly is arranged between the motor and the base, a second sealing assembly is arranged between the cylinder barrel and the base, a synchronizing wheel assembly is arranged in the base, a lead screw is arranged in the cylinder barrel, and the driving end of the motor penetrates through the base to be connected with the synchronizing wheel assembly. The synchronizing wheel assembly is connected with the lead screw. A front flange is arranged at the end, away from the base, of the cylinder barrel, the front flange is connected with the lead screw and connected with the cylinder barrel through threads, and a waterproof assembly is arranged between the front flange and the cylinder barrel. The base comprises a connecting plate and a box cover, the connecting plate is matched with the box cover in a covering mode, and a third sealing assembly is arranged between the connecting plate and the box cover. The waterproof assembly, the first sealing assembly, the second sealing assembly and the third sealing assembly play a waterproof role respectively. The waterproof electric cylinder is good in waterproof effect and suitable for being used 2-3 meters underwater, and meanwhile the service life of the electric cylinder is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cylinders, in particular to a waterproof electric cylinder. Background Art

[0002] The electric cylinder in the prior art includes a motor, a synchronous wheel assembly and a screw. The driving end of the motor drives the synchronous wheel assembly to rotate, and the synchronous wheel assembly drives the screw to perform linear motion. Thus, the rotational motion of the motor is converted into linear motion. The existing electric cylinder is usually connected by screws, resulting in poor waterproofness. When used underwater, it is prone to malfunctions and other problems, which greatly reduces the service life of the electric cylinder. Utility Model Content

[0003] Based on this, a waterproof electric cylinder is provided, which has good waterproof effect and can be suitable for underwater use.

[0004] A waterproof electric cylinder comprises a base, on which a motor and a cylinder are arranged, a first sealing assembly is arranged between the motor and the base, a second sealing assembly is arranged between the cylinder and the base, a synchronous wheel assembly is arranged in the base, a lead screw is arranged in the cylinder, a driving end of the motor passes through the base and is connected to the synchronous wheel assembly, the synchronous wheel assembly is connected to the lead screw, and the motor is used to drive the synchronous wheel assembly to drive the lead screw to perform linear motion.

[0005] A front flange is arranged at one end of the cylinder away from the base, the front flange is connected to the screw rod, the front flange is connected to the cylinder through threads, and a waterproof component is arranged between the front flange and the cylinder.

[0006] The base comprises a connecting plate and a box cover, the connecting plate and the box cover are fitted together, and a third sealing component is arranged between the connecting plate and the cover.

[0007] The waterproof component, the first sealing component, the second sealing component and the third sealing component respectively play a waterproof role.

[0008] The waterproof electric cylinder is provided with a waterproof component, a first sealing component, a second sealing component and a third sealing component, so that each part of the electric cylinder is waterproof, thereby making the electric cylinder have a good waterproof effect and suitable for underwater use.

[0009] In one of the embodiments, the waterproof component of the waterproof electric cylinder includes two dustproof rings.

[0010] In one of the embodiments, the motor of the waterproof electric cylinder is connected to a connecting plate via a bolt assembly, a groove for accommodating a first sealing assembly is provided on the connecting plate, and the bolt assembly is used to press the first sealing assembly between the motor and the connecting plate.

[0011] In one of the embodiments, the first sealing component of the waterproof electric cylinder is a No. 1 O-ring.

[0012] In one of the embodiments, a groove for accommodating a third sealing component is provided at one end of the connection plate of the waterproof electric cylinder close to the box cover, and the box cover is used to press the third sealing component and the connection plate together to achieve waterproofing.

[0013] In one of the embodiments, the third sealing component of the waterproof electric cylinder is a sealing strip.

[0014] In one of the embodiments, the cylinder barrel and the base of the waterproof electric cylinder are connected via a bearing seat, and a fourth sealing component is provided between the cylinder barrel and the bearing seat, and the fourth sealing component plays a waterproof role for the cylinder barrel and the bearing seat.

[0015] In one of the embodiments, the fourth sealing component of the waterproof electric cylinder is a No. 4 O-ring.

[0016] In one of the embodiments, the second sealing component of the waterproof electric cylinder is a No. 2 O-ring.

[0017] In one of the embodiments, the synchronous wheel assembly of the waterproof electric cylinder includes two synchronous wheels and a synchronous belt, the synchronous belt is wound around the two synchronous wheels, and the two synchronous wheels are respectively connected to the motor and the lead screw.

[0018] The beneficial effects of this application are:

[0019] The present application provides a waterproof electric cylinder. Compared with a traditional electric cylinder, the electric cylinder uses a waterproof component, a first sealing component, a second sealing component and a third sealing component to effectively achieve a waterproof effect when the electric cylinder is placed underwater, thereby increasing the service life of the electric cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of a waterproof electric cylinder according to an embodiment of the present application;

[0021] in:

[0022] 1. Base; 2. Motor; 3. Cylinder; 4. First sealing assembly; 5. Second sealing assembly; 6. Front flange; 7. Waterproof assembly; 8. Third sealing assembly; 9. Bolt assembly; 10. Bearing seat; 11. Connecting plate; 12. Box cover; 13. Fourth sealing assembly. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0024] like Figure 1As shown, an embodiment of the present application provides a waterproof electric cylinder, including a base 1, on which a motor 2 and a cylinder barrel 3 are arranged, a first sealing assembly 4 is arranged between the motor 2 and the base 1, a second sealing assembly 5 is arranged between the cylinder barrel 3 and the base 1, a synchronous wheel assembly is arranged in the base 1, a screw rod is arranged in the cylinder barrel 3, a driving end of the motor 2 passes through the base 1 and is connected to the synchronous wheel assembly, the synchronous wheel assembly is connected to the screw rod, and the motor 2 is used to drive the synchronous wheel assembly to drive the screw rod to perform linear motion.

[0025] The end of the cylinder 3 away from the base 1 is provided with a front flange 6 , the front flange 6 is connected to the screw rod, the front flange 6 is connected to the cylinder 3 through threads, and a waterproof component 7 is provided between the front flange 6 and the cylinder 3 .

[0026] The base 1 comprises a connecting plate 11 and a box cover 12 , the connecting plate 11 and the box cover 12 are fitted together, and a third sealing component 8 is arranged between the connecting plate 11 and the cover.

[0027] The waterproof component 7, the first sealing component 4, the second sealing component 5 and the third sealing component 8 respectively play a waterproof role.

[0028] Specifically, a first sealing component 4 is arranged between the motor 2 and the base 1, a second sealing component 5 is arranged between the cylinder 3 and the base 1, the cylinder 3 and the front flange 6 are connected by threads, a waterproof component 7 is arranged between the cylinder 3 and the front flange 6, and a third sealing component 8 is arranged between the connecting plate 11 of the base 1 and the box cover 12.

[0029] In the above structure, by arranging the waterproof component 7, the first sealing component 4, the second sealing component 5 and the third sealing component 8, each part of the electric cylinder is waterproofed, so that the electric cylinder has a good waterproof effect and can be used 2 to 3 meters underwater, while increasing the service life of the electric cylinder.

[0030] like Figure 1 As shown, in one embodiment, the waterproof component 7 of the waterproof electric cylinder includes two dust rings. This arrangement facilitates waterproofing of the end of the cylinder barrel 3 close to the front flange 6 to prevent water from flowing into the cylinder barrel 3 when used underwater.

[0031] like Figure 1 As shown, in one embodiment, the motor 2 of the waterproof electric cylinder is connected to the connecting plate 11 via a bolt assembly 9, and a groove for accommodating the first sealing assembly 4 is provided on the connecting plate 11, and the bolt assembly 9 is used to press the first sealing assembly 4 between the motor 2 and the connecting plate 11.

[0032] Specifically, the motor 2 and the connecting plate 11 are fixedly connected together by the bolt assembly 9, so that the first sealing assembly 4 is pressed between the motor 2 and the connecting plate 11. This arrangement facilitates waterproofing of the motor 2 and the connecting plate 11.

[0033] like Figure 1 As shown, in one embodiment, the first sealing component 4 of the waterproof electric cylinder is a No. 1 O-ring. This arrangement has a good waterproof effect.

[0034] like Figure 1 As shown, in one embodiment, a groove for accommodating the third sealing component 8 is provided at one end of the connecting plate 11 of the waterproof electric cylinder close to the box cover 12, and the box cover 12 is used to press the third sealing component 8 and the connecting plate 11 together to achieve waterproofing.

[0035] Specifically, the box cover 12 is closed together with the connecting plate 11 by pressing the third sealing component 8. This arrangement facilitates waterproofing of the base 1, preventing water from flowing into the base 1 and affecting the driving end of the motor 2 and the synchronous belt assembly.

[0036] like Figure 1 As shown, in one embodiment, the third sealing component 8 of the waterproof electric cylinder is a sealing strip. This arrangement has a good waterproof effect.

[0037] like Figure 1 As shown, in one embodiment, the cylinder barrel 3 of the waterproof electric cylinder is connected to the base 1 through the bearing seat 10, and a fourth sealing component 13 is provided between the cylinder barrel 3 and the bearing seat 10, and the fourth sealing component 13 plays a waterproof role for the cylinder barrel 3 and the bearing seat 10. This arrangement facilitates the cylinder barrel 3 and the bearing seat 10 to play a waterproof role.

[0038] like Figure 1 As shown, in one embodiment, the fourth sealing component 13 of the waterproof electric cylinder is a No. 4 O-ring. This arrangement has a good waterproof effect.

[0039] like Figure 1 As shown, in one embodiment, the second sealing component 5 of the waterproof electric cylinder is a No. 2 O-ring. This arrangement has a good waterproof effect.

[0040] like Figure 1 As shown, in one embodiment, the synchronous wheel assembly of the waterproof electric cylinder includes two synchronous wheels and a synchronous belt, the synchronous belt is wound on the two synchronous wheels, and the two synchronous wheels are respectively connected to the motor 2 and the screw rod.

[0041] Specifically, the driving end of the motor 2 drives the synchronous wheel to rotate, the synchronous wheel drives the synchronous belt to rotate, the synchronous belt drives another synchronous wheel to rotate, thereby driving the lead screw to perform linear motion. This arrangement facilitates driving the lead screw to perform linear motion.

[0042] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. Waterproof electric cylinder, characterized in that: The invention comprises a base (1), a motor (2) and a cylinder (3) are arranged on the base (1), a first sealing assembly (4) is arranged between the motor (2) and the base (1), a second sealing assembly (5) is arranged between the cylinder (3) and the base (1), a synchronous wheel assembly is arranged in the base (1), a screw rod is arranged in the cylinder (3), a driving end of the motor (2) passes through the base (1) and is connected to the synchronous wheel assembly, the synchronous wheel assembly is connected to the screw rod, and the motor (2) is used to drive the synchronous wheel assembly to drive the screw rod to perform linear motion. A front flange (6) is provided at one end of the cylinder (3) away from the base (1), the front flange (6) is connected to the screw rod, the front flange (6) is connected to the cylinder (3) by threads, and a waterproof component (7) is provided between the front flange (6) and the cylinder (3). The base (1) comprises a connecting plate (11) and a box cover (12), the connecting plate (11) and the box cover (12) are fitted together, and a third sealing component (8) is arranged between the connecting plate (11) and the cover. The waterproof component (7), the first sealing component (4), the second sealing component (5) and the third sealing component (8) respectively play a waterproof role.

2. The waterproof electric cylinder according to claim 1, characterized in that: The waterproof component (7) comprises two dustproof rings.

3. The waterproof electric cylinder according to claim 1, characterized in that: The motor (2) and the connecting plate (11) are connected via a bolt assembly (9); a groove for accommodating a first sealing assembly (4) is provided on the connecting plate (11); the bolt assembly (9) is used to press the first sealing assembly (4) between the motor (2) and the connecting plate (11).

4. The waterproof electric cylinder according to claim 1 or 3, characterized in that: The first sealing component (4) is a No. 1 O-ring.

5. The waterproof electric cylinder according to claim 1, characterized in that: A groove for accommodating the third sealing component (8) is provided at one end of the connecting plate (11) close to the box cover (12), and the box cover (12) is used to press the third sealing component (8) and the connecting plate (11) together to achieve a waterproof effect.

6. The waterproof electric cylinder according to claim 1 or 5, characterized in that: The third sealing component (8) is a sealing strip.

7. The waterproof electric cylinder according to claim 1, characterized in that: The cylinder barrel (3) and the base (1) are connected via a bearing seat (10), and a fourth sealing component (13) is provided between the cylinder barrel (3) and the bearing seat (10). The fourth sealing component (13) plays a waterproof role for the cylinder barrel (3) and the bearing seat (10).

8. The waterproof electric cylinder according to claim 7, characterized in that: The fourth sealing component (13) is a size 4 O-ring.

9. The waterproof electric cylinder according to claim 1, characterized in that: The second sealing component (5) is a No. 2 O-ring.

10. The waterproof electric cylinder according to claim 1, characterized in that: The synchronous wheel assembly comprises two synchronous wheels and a synchronous belt, wherein the synchronous belt is wound around the two synchronous wheels, and the two synchronous wheels are respectively connected to the motor (2) and the screw rod.

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