Waterproof electric push rod

Abstract

The utility model relates to the technical field of electric push rods, in particular to a waterproof electric push rod which comprises a bottom shell, an outer shell is arranged on the outer side of the bottom shell, the outer shell is formed through an integrated mold, a piston rod is arranged in the outer shell, and an end is arranged on the outer side of the piston rod. A plurality of lengthening rods are arranged between the piston rod and the end head, the end head and the bottom end of each lengthening rod are fixedly connected with a screw rod, and threaded holes matched with the screw rods are formed in the top end of the piston rod and the top end of each lengthening rod. According to the utility model, the shell is integrally molded by a mold, the motor and accessories are sealed in the shell, so that the waterproof level is higher, and the piston rod, the plurality of extension rods, the threaded hole and the screw rod are arranged in a matched manner, so that the length of the piston rod is increased as required, and then the end head is dragged to drive the screw rod to be connected with the extension rods; and through the matching of the corresponding first indication block and the second indication block, the connection of the extension rod is more matched and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of electric push rods, in particular to a method for making push rods. Background Art

[0002] Waterproof electric actuators are electric actuators designed to push, pull, raise, and lower objects in wet environments. They are often used in applications that require operation underwater or in high-humidity environments, such as underwater robots, agricultural machinery, medical equipment, and outdoor automation systems. The design of waterproof electric actuators takes multiple factors into consideration to ensure their reliability and durability in harsh environments.

[0003] With respect to the above-mentioned related technologies, the defect of the existing electric linear actuator is that the motor housing is usually assembled by splicing multiple housing accessories using bolts. However, during use, improper operation may cause the accessories to be installed improperly, resulting in gaps at the joints and water leakage in the motor housing. Therefore, the utility model provides a waterproof electric linear actuator. Utility Model Content

[0004] The purpose of this application is to provide a waterproof electric push rod to solve the problem proposed in the above background technology that the motor housing is usually assembled by splicing multiple housing accessories using bolts, but during use, improper operation may cause the accessories to be installed improperly, resulting in gaps at the joints and causing water leakage in the motor housing.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a waterproof electric push rod, comprising a bottom shell, an outer shell is provided on the outside of the bottom shell, the outer shell is made by using an integral mold, a piston rod is provided inside the outer shell, an end is provided on the outside of the piston rod, and multiple extension rods are provided between the piston rod and the end.

[0006] Preferably, the end head and the bottom end of the extension rod are both fixedly connected with a screw rod, and the top ends of the piston rod and the extension rod are both provided with threaded holes adapted to the screw rod.

[0007] Preferably, the top end of the piston rod and the outer side of the extension rod are both fixedly connected with a first indicator block, and the outer side of the first indicator block is coated with red waterproof paint.

[0008] Preferably, a second indicator block is fixedly connected to the outer side of the extension rod, and the outer side of the second indicator block is coated with green waterproof paint.

[0009] Preferably, a plurality of bolts are provided on the outer side of the bottom shell, and a plurality of screw holes adapted to the bolts are provided on the inner sides of the bottom shell and the outer shell.

[0010] Preferably, the outer side of the shell is coated with acrylic waterproof coating.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] 1. In the utility model, the outer shell is formed into an integral mold, and the motor and accessories are sealed inside, so that the waterproof level is higher. In addition, through the coordinated arrangement of the piston rod, multiple extension rods, threaded holes, and screws, the length of the piston rod can be increased as needed, and then the end is dragged to drive the screw and the extension rod to connect.

[0013] 2. In the present invention, the connection of the extension rod is more fitting and stable through the cooperation of the corresponding first indicator block and the second indicator block, and the outer side of the first indicator block is coated with red waterproof paint and the outer side of the second indicator block is coated with green waterproof paint, so that the positions of the first indicator block and the second indicator block are conveniently observed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first perspective;

[0016] Figure 2 This is a schematic diagram of the axial structure from a second viewing angle of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the extension rod and the end head in the utility model;

[0018] Figure 4 for Figure 2 A is an enlarged structural diagram of FIG.

[0019] In the figure: 1. Outer shell; 2. Bottom shell; 3. Piston rod; 4. Extension rod; 5. End; 6. First indicator block; 7. Second indicator block; 8. Screw; 9. Threaded hole; 10. Bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0022] Example: Reference Figure 1-4 The waterproof electric push rod shown in the figure includes a bottom shell 2, a shell 1 is provided on the outside of the bottom shell 2, the shell 1 is made of an integral mold, a piston rod 3 is provided in the shell 1, and an end 5 is provided on the outside of the piston rod 3. A plurality of extension rods 4 are provided between the piston rod 3 and the end 5, which are convenient for splicing and connecting multiple extension rods 4 and increasing the length of the piston rod 3 as needed; the end 5 and the bottom end of the extension rod 4 are fixedly connected with a screw 8, and the top of the piston rod 3 and the extension rod 4 are provided with a threaded hole 9 adapted to the screw 8, which is convenient for connecting the piston rod 3 and the extension rod 4; the top of the piston rod 3 and the outside of the extension rod 4 are It is fixedly connected with a first indicator block 6, and the outer side of the first indicator block 6 is coated with red waterproof paint. Through the cooperation of the corresponding first indicator block 6 and the second indicator block 7, the connection of the extension rod 4 is more fit and stable; the outer side of the extension rod 4 is fixedly connected with a second indicator block 7, and the outer side of the second indicator block 7 is coated with green waterproof paint, which makes it easy to observe the positions of the first indicator block 6 and the second indicator block 7; a plurality of bolts 10 are provided on the outer side of the bottom shell 2, and a plurality of screw holes compatible with the bolts 10 are opened on the inner sides of the bottom shell 2 and the outer shell 1; the outer side of the outer shell 1 is coated with acrylic waterproof paint to improve the waterproof effect of the outer shell 1.

[0023] In this embodiment, the shell 1 is made of an integral mold, and the motor and accessories are sealed inside, so that the waterproof level is higher. The bottom shell 2 and the shell 1 are connected by bolts 10, and the extension rod 4 is dragged to drive the screw rod 8 to rotate and threadedly connect with the threaded hole 9 in the piston rod 3, so that the extension rod 4 is connected to the piston rod 3. The same operation of connecting the extension rod 4 to the piston rod 3 is used to splice and connect multiple extension rods 4. Through the cooperation of the corresponding first indicator block 6 and the second indicator block 7, the connection of the extension rod 4 is more fit and stable. The length of the piston rod 3 is increased as needed, and then the end 5 is dragged to drive the screw 8 to connect with the extension rod 4.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A waterproof electric linear actuator, characterized by: The invention comprises a bottom shell (2), an outer shell (1) is arranged on the outer side of the bottom shell (2), the outer shell (1) is formed by an integral mold, a piston rod (3) is arranged inside the outer shell (1), an end (5) is arranged on the outer side of the piston rod (3), and a plurality of extension rods (4) are arranged between the piston rod (3) and the end (5).

2. The waterproof electric linear actuator according to claim 1, characterized in that: The end head (5) and the bottom end of the extension rod (4) are both fixedly connected with a screw rod (8), and the top ends of the piston rod (3) and the extension rod (4) are both provided with a threaded hole (9) adapted to the screw rod (8).

3. The waterproof electric linear actuator according to claim 2, characterized in that: The top end of the piston rod (3) and the outer side of the extension rod (4) are both fixedly connected with a first indicator block (6), and the outer side of the first indicator block (6) is coated with a red waterproof coating.

4. The waterproof electric linear actuator according to claim 1, characterized in that: The outer side of the extension rod (4) is fixedly connected to a second indicator block (7), and the outer side of the second indicator block (7) is coated with a green waterproof coating.

5. The waterproof electric linear actuator according to claim 4, characterized in that: A plurality of bolts (10) are provided on the outer side of the bottom shell (2), and a plurality of screw holes adapted to the bolts (10) are provided on the inner sides of both the bottom shell (2) and the outer shell (1).

6. The waterproof electric linear actuator according to claim 1, characterized in that: The outer side of the shell (1) is coated with acrylic waterproof paint.

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