CN217641962U - Waterproof improved electric actuator - Google Patents

Abstract

The utility model provides a waterproof improved generation electric actuator, be provided with the executor cavity of top seal end cover including top locking seal, the top cap inner and outer sealing washer has been set between top seal end cover and the executor cavity, executor cavity left side portion locking seal is provided with the lateral part end cover, side cap inner and outer sealing washer has been set between lateral part end cover and the executor cavity, executor cavity right flank is equipped with the entrance hole, the special water joint who is connected with the executor cavity is worn to be equipped with in the entrance hole, install the water joint sealing washer between special water joint and the executor cavity, the water-proof cable that stretches into the executor cavity is worn to be equipped with by the through-hole in the special water joint, the water-proof cable passes through special water joint sealing cap fastening seal. This application reduces sealed quantity through simplifying the structure, adopts inside and outside biconcave convex seal structure, direct line and the sealed glue of the inside embedment of connector lug, has greatly improved electric actuator dampproofing and waterproofing performance, reduces the fault rate and reduces and maintain the change expense.

Description

Waterproof improved electric actuator

Technical Field

The utility model relates to an electric valve executor technical field, concretely relates to waterproof improved generation electric actuator.

Background

The electric actuator is used as the most main driving control part of various electric valves and directly determines whether the electric valves can work normally, and as an electric control device, the operation safety and reliability of the electric actuator are very important to the operation of engineering projects.

The inventor of the application discovers in electric actuator engineering application, the good or bad of waterproof performance will directly influence the operation fault rate of electric actuator products, such as in the easy bubble water, application scenes and positions such as wet underground valve well of long-term environment or underground computer lab, traditional electric actuator products of IP65-IP67 waterproof grade are also difficult to satisfy the long-term normal use of this type of abominable operating mode in the market, because the sealed face of traditional electric actuator product is a lot of and easily leaks and be plane seal mostly, it is not enough for nylon connector to screw intensity mostly to dispose cable joint, cable joint and sealed being difficult to satisfy the sealed requirement of bubble water humidity with the executor cavity, therefore traditional electric actuator product waterproof performance is not good, be difficult to satisfy the long-term stable use of bubble water humidity environment operating mode, cause the fault damage rate too high, lead to move the maintenance cost very high.

SUMMERY OF THE UTILITY MODEL

Many sealing performance to traditional electric actuator sealing leakage point are not good, are difficult to adapt to and satisfy the long-term stable use of bubble water humid environment operating mode, cause the fault damage rate too high, lead to the very high technical problem of operation maintenance cost, the utility model provides a waterproof improved generation electric actuator.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a waterproof improved generation electric actuator, includes the executor cavity, the top of executor cavity is provided with the top seal end cover, set inside and outside two unsmooth cooperation sealed top cap outer seal ring and top cap inner seal circle between top seal end cover and the executor cavity, be connected through top cap fastening bolt lock seal between top seal end cover and the executor cavity, the left side of executor cavity is provided with the lateral part end cover, set inside and outside two unsmooth cooperation sealed side cap outer seal ring and side cap inner seal circle between lateral part end cover and the executor cavity, be connected through side cap fastening bolt lock seal between lateral part end cover and the executor cavity, the right flank of executor cavity is equipped with the entrance hole, wear to be equipped with the special water joint who is connected with the executor cavity in the entrance hole, install the water joint sealing washer between special water joint and the executor cavity, the waterproof cable that stretches into the executor cavity is worn to be equipped with to the interior through-hole of special water joint, the waterproof cable passes through special water joint's sealing cap fastening seal.

Further, a top cover double concave-convex sealing surface is integrally formed at the top of the actuator cavity, the top cover outer sealing ring is installed on the outer side of the top cover double concave-convex sealing surface, and the top cover inner sealing ring is installed on the inner side of the top cover double concave-convex sealing surface.

Further, a side cover double concave-convex sealing surface is integrally formed on the side portion of the actuator cavity, the side cover outer sealing ring is installed on the outer side of the side cover double concave-convex sealing surface, and the side cover inner sealing ring is installed on the inner side of the side cover double concave-convex sealing surface.

Furthermore, an internal thread is arranged in a wire inlet hole on the right side surface of the cavity of the actuator, and an external thread matched with the internal thread is arranged on the surface of the special waterproof joint.

Furthermore, a gap between the waterproof cable and an inner hole of the cavity of the actuator is filled with potting sealant.

Compared with the prior art, the utility model provides a waterproof improved generation electric actuator, reduce sealed quantity through simplifying the structure, adopt new biconcave protruding cooperation seal structure reinforcing end cover sealing performance, adopt the direct mode of being qualified to avoid installing the cable and not in place to produce and reveal hidden danger, and adopt the sealed glue mode of the inside waterproof embedment of filling secondary of connector lug to eliminate service connector department completely and reveal hidden danger, through above improvement measure, electric actuator's dampproofing and waterproofing performance has greatly been improved, the electric actuator fault rate has been reduced, electric actuator maintenance replacement cost has been reduced, electric actuator after the improvement passes through the multiple test, pass through the qualified third party professional detection mechanism IPX8 waterproof grade detection qualification that has.

Drawings

Fig. 1 is a side view structural diagram of the shaft of the improved waterproof electric actuator provided by the utility model.

Fig. 2 is a structural view of another waterproof improved electric actuator in a side view.

Fig. 3 is a partial sectional structural view in the direction B-B in fig. 2.

In the figure, 1, an actuator cavity; 2. a top seal end cap; 3. the top cover is externally sealed with a ring; 4. a top cover inner sealing ring; 5. a top cover fastening bolt; 6. a side seal end cap; 7. the side cover is provided with an outer sealing ring; 8. a side cover inner seal ring; 9. a side cover fastening bolt; 10. a special waterproof joint; 11. a waterproof joint seal ring; 12. a waterproof cable; 13. a top cap biconcave convex sealing surface; 14. a side cover bi-convex sealing surface; 15. and (5) encapsulating sealant.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 and fig. 2, the utility model provides a waterproof improved generation electric actuator, including executor cavity 1, the top of executor cavity 1 is provided with top seal end cover 2, set sealed top cap outer seal ring 3 of interior outer two unsmooth cooperation and top cap inner seal ring 4 between top seal end cover 2 and the executor cavity 1, through top cap fastening bolt 5 locking sealing connection between top seal end cover 2 and the executor cavity 1, the left side of executor cavity 1 is provided with lateral part end cover 6, set sealed side cap outer seal ring 7 of interior two unsmooth cooperation of interior outer two and side cap inner seal ring 8 between lateral part end cover 6 and the executor cavity 4, through side cap fastening bolt 9 locking sealing connection between lateral part end cover 6 and the executor cavity 1, the right flank of executor cavity 1 is equipped with the entrance wire hole, wear to be equipped with the special waterproof joint 10 of being connected with executor cavity 1 in the entrance wire hole, install waterproof joint sealing washer 11 between special waterproof joint 10 and the executor cavity 1, the interior through-hole of special waterproof joint 10 wears to be equipped with the waterproof 12 cable that stretches into cavity 1, waterproof cable 12 passes through waterproof joint 10's sealed cap fastening sealing seal ring 10.

As a specific embodiment, please refer to fig. 1, a double convex-concave sealing surface 13 of the top cover is integrally formed at the top of the actuator cavity 1, the outer sealing ring 3 of the top cover is installed at the outer side of the double convex-concave sealing surface 13 of the top cover, and the inner sealing ring 4 of the top cover is installed at the inner side of the double convex-concave sealing surface 14 of the top cover, so that a form of a matching sealing structure with inner and outer convex-concave is formed, and the waterproof and moisture-proof performance between the top sealing end cover 2 and the actuator cavity 1 is greatly enhanced.

As a specific embodiment, referring to fig. 2, a side cover double concave-convex sealing surface 14 is integrally formed on a side portion of the actuator cavity 1, the side cover outer sealing ring 7 is installed on the outer side of the side cover double concave-convex sealing surface 14, and the side cover inner sealing ring 8 is installed on the inner side of the side cover double concave-convex sealing surface 14, so that an inner and outer double concave-convex matching sealing structure form is formed, and the waterproof and moisture-proof performance between the side sealing end cover 6 and the actuator cavity 1 is greatly enhanced.

As a specific embodiment, an internal thread is arranged in the wire inlet hole on the right side surface of the actuator cavity 1, and an external thread matched with the internal thread is arranged on the surface of the special waterproof joint 10, so that the actuator cavity 1 and the special waterproof joint 10 can be connected through the thread matching connection of the internal thread and the external thread.

As a specific embodiment, please refer to fig. 3, a potting sealant 15 is filled between the waterproof cable 12 and the inner hole gap of the actuator cavity 1, that is, after the waterproof cable 12 passes through the special waterproof joint 10 and is installed on the actuator cavity 1 to be tightly sealed, the existing potting sealant 15, such as an epoxy potting sealant, is used to completely fill and encapsulate the gap between the waterproof cable 12 and the inner hole of the actuator cavity 1, so as to eliminate the risk of water leakage.

Compared with the prior art, the utility model provides a waterproof improved generation electric actuator, reduce sealed quantity through simplifying the structure, adopt new biconcave protruding cooperation seal structure reinforcing end cover sealing performance, adopt the direct mode of being qualified for the next round of competitions to avoid installing the cable not in place to produce and reveal the hidden danger, and adopt the sealed glue mode of the waterproof embedment of connector lug internal filling secondary to eliminate wire connector department completely and reveal the hidden danger, through above improvement measure, electric actuator's dampproofing and waterproofing performance has greatly been improved, electric actuator fault rate has been reduced, electric actuator maintenance replacement expense has been reduced, electric actuator after the improvement passes through the test many times, third party's specialty detection mechanism IPX8 waterproof grade that has the qualification detects the certification.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1. The utility model provides a waterproof improved generation electric actuator, includes the executor cavity, its characterized in that, the top of executor cavity is provided with the top sealing end cover, set the sealed top cap outer seal circle of inside and outside two unsmooth cooperation between top sealing end cover and the executor cavity and top cap inner seal circle, lock through top cap fastening bolt between top sealing end cover and the executor cavity and seal tightly and be connected, the left side of executor cavity is provided with lateral part end sealing cover, set the sealed side cap outer seal circle of inside and outside two unsmooth cooperation between lateral part end sealing cover and the executor cavity and side cap inner seal circle, lock through side cap fastening bolt between lateral part end sealing end cover and the executor cavity and seal tightly and be connected, the right flank of executor cavity is equipped with the inlet wire hole, wear to be equipped with the special water joint who is connected with the executor cavity in the inlet wire hole, install the water joint sealing washer between special water joint and the executor cavity, the waterproof cable is worn to be equipped with the waterproof cable that stretches into the executor cavity, waterproof cable passes through the sealing cap fastening sealing of special water joint.

2. The waterproof improved electric actuator according to claim 1, wherein a top cover double concave-convex sealing surface is integrally formed at the top of the actuator cavity, the top cover outer sealing ring is installed at the outer side of the top cover double concave-convex sealing surface, and the top cover inner sealing ring is installed at the inner side of the top cover double concave-convex sealing surface.

3. The waterproof improved electric actuator according to claim 1, characterized in that a side cover double concave-convex sealing surface is integrally formed at the side portion of the actuator cavity, the side cover outer sealing ring is installed at the outer side of the side cover double concave-convex sealing surface, and the side cover inner sealing ring is installed at the inner side of the side cover double concave-convex sealing surface.

4. The waterproof improved electric actuator as claimed in claim 1, wherein an internal thread is provided in the wire inlet hole on the right side of the actuator cavity, and an external thread matched with the internal thread is provided on the surface of the special waterproof joint.

5. The waterproof improved electric actuator of claim 1, wherein a potting sealant is filled between the waterproof cable and the inner hole gap of the actuator cavity.

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