Novel dustproof and waterproof highly-durable auxiliary switch

Abstract

The utility model discloses a novel dustproof and waterproof highly-durable auxiliary switch. The novel dustproof and waterproof highly-durable auxiliary switch comprises an auxiliary switch body, a guide rod, a lower assembly protection assembly and an upper assembly protection assembly. The lower assembly protection assembly comprises a protection shell, a concave groove is formed in the side, close to the guide rod, of the protection shell, a main shaft protection shell is assembled in the concave groove in a sliding mode, a main shaft sealing piece is assembled on the side, close to the protection shell, of the main shaft protection shell, and the guide rod is sleeved with the main shaft sealing piece. The upper assembly protection assembly comprises a protection cover plate, sealant is fixedly assembled on the side, away from the auxiliary switch body, of the protection cover plate, and a pair of wire sealing pieces is fixedly assembled between the protection cover plate and the sealant. According to the utility model, the auxiliary switch is sealed and protected by arranging the sealant, the wire rod sealing element and the protective cover plate, so that the auxiliary switch has the advantages of strong universality, high dustproof and waterproof performance and stable and reliable structure, can be used in various occasions, and improves the application range of the auxiliary switch.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary switches, and particularly relates to a new type of dust-proof, waterproof and highly durable auxiliary switch. Background Technique

[0002] An auxiliary switch is a type of electrical component that expands the main switch control signal and plays roles of time delay, interruption, and short-circuit protection in a circuit. It is a part of the main switch and is usually configured in power equipment such as high-voltage or medium-voltage circuit breakers and disconnectors. It is mainly used to improve the safety and reliability of the circuit. Generally, it is composed of components such as contacts, springs, contact heads, and guide rods, and is widely used in various fields such as machinery, electronics, manufacturing, and chemical industry.

[0003] Currently, the processing technology levels of various auxiliary switches on the market vary, and the performance and protection strength of the produced auxiliary switches are also different, and basically cannot meet the IP67 protection requirements. With the increasing requirements for auxiliary switches, most of the existing auxiliary switches cannot reach the IP67 protection level, making the auxiliary switches prone to damage due to environmental factors such as dust and humidity during use, resulting in poor durability of the auxiliary switches.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a new type of dust-proof, waterproof and highly durable auxiliary switch.

[0005] The information disclosed in this background technical part is only intended to increase the understanding of the overall background of the utility model, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a new type of dust-proof, waterproof and highly durable auxiliary switch, which can improve the dust-proof, waterproof and durable performance of the auxiliary switch.

[0007] To achieve the above purpose, a specific embodiment of the utility model provides a new type of dust-proof, waterproof and highly durable auxiliary switch, including: an auxiliary switch body, a guide rod, a lower assembly protection component, and an upper assembly protection component.

[0008] A guide rod is assembled inside the auxiliary switch body.

[0009] The lower assembly protection component is assembled below the auxiliary switch body. The lower assembly protection component includes a protection housing, the protection housing is snap-fitted below the auxiliary switch body, a concave groove is opened on one side of the protection housing close to the guide rod, a main shaft protection housing is slidably assembled in the concave groove, a main shaft seal is assembled on one side of the main shaft protection housing close to the protection housing, and the main shaft seal is sleeved outside the guide rod.

[0010] The upper assembly protection component is fixedly assembled above the auxiliary switch body. The upper assembly protection component includes a protection cover plate, the protection cover plate is fixedly assembled above the protection shell, a sealant is fixedly assembled on the side of the protection cover plate facing away from the auxiliary switch body, and a pair of wire seal members are fixedly assembled between the protection cover plate and the sealant.

[0011] In one or more embodiments of the present invention, multiple groups of evenly distributed riveted end wires are riveted on both sides of the auxiliary switch body. The auxiliary switch body is electrically conducted through multiple groups of riveted end wires. A 90° terminal riveting is adopted between multiple groups of the riveted end wires and the auxiliary switch body. By adopting 90° terminal riveting, the outgoing wire direction of multiple groups of the riveted end wires is adjusted to the height direction.

[0012] In one or more embodiments of the present invention, multiple symmetrically distributed assembly limit posts are integrally formed on the inner wall of the protection shell. The auxiliary switch body is assembled and limited through multiple groups of assembly limit posts, improving the stability of the assembly of the auxiliary switch body and reducing the situation of the auxiliary switch body shaking in the protection shell. Threaded assembly holes are opened above multiple groups of the assembly limit posts. The protection cover plate and the protection shell are fixedly connected through the threaded connection between the threaded assembly holes and the fastening screws.

[0013] In one or more embodiments of the present invention, multiple extrusion limit members are arranged between multiple groups of the assembly limit posts, and multiple groups of the extrusion limit members are integrally formed with the inner wall of the protection shell. The auxiliary switch body is assisted in assembly and limited through multiple groups of the extrusion limit members, further ensuring the assembly stability of the auxiliary switch body. Multiple groups of locking blocks are fixedly assembled on the outer side of the protection shell, and multiple groups of the locking blocks are symmetrically distributed on both sides of the groove. It is convenient to assemble the protection shell in the cabinet through the locking blocks.

[0014] In one or more embodiments of the present invention, the main shaft protection shell is composed of a shell main body, a clamping main body, a pair of side sliders and a hanging platform. The clamping main body is arranged on one side of the shell main body, a pair of the side sliders are integrally formed on both sides of the shell main body, and the hanging platform is arranged on the side of the shell main body facing away from the clamping main body.

[0015] In one or more embodiments of the present invention, the size of the clamping main body is smaller than that of the shell main body. The clamping protection part is clamped and limited through the mutual cooperation between the clamping main body and the shell main body. Assembly sliding grooves are opened on the side wall of the concave groove, and the assembly sliding grooves are slidably matched with the side sliders. The main shaft protection shell is assembled and limited through the sliding cooperation between the assembly sliding grooves and the side sliders.

[0016] In one or more embodiments of the utility model, the spindle seal is of S-shaped design. The spindle seal can be twisted along with the twisting of the guide rod. By setting the spindle seal to be S-shaped, the rotation angle of the spindle seal per unit length is reduced. The spindle seal has a fastening folded edge, and a limited inner ring is integrally formed in the spindle seal, and an assembly gap is formed between the fastening folded edge and the limited inner ring. The fastener and the guide rod are connected and assembled through the assembly gap.

[0017] In one or more embodiments of the utility model, a fastener is snap-fitted on the side of the spindle seal away from the spindle protective housing, the fastener is assembled in the assembly gap, and the fastener is fixedly assembled on the outside of the guide rod. The spindle seal and the guide rod are sealed and limited by the fastener, which improves the dustproof and waterproof protection effect of the guide rod. A snap-fit ​​protective piece is snap-fitted on the side of the spindle protective housing away from the spindle seal. The protective housing is auxiliary sealed and protected by the snap-fit ​​protective piece.

[0018] In one or more embodiments of the utility model, a plurality of fastening screws are threadedly connected between the protective cover plate and the protective housing. The protective cover plate is connected and fixed to the protective housing by means of threaded cooperation between the fastening screws and the threaded assembly holes on the protective housing. A pair of assembly positioning grooves are formed on the upper side of the protective cover plate, and the assembly positioning grooves are arranged in cooperation with the wire seal. The wire seal is assembled and positioned by the assembly positioning grooves, thereby ensuring the stability of the assembly and fixation of the wire seal.

[0019] In one or more embodiments of the utility model, a pair of wire seals are both attached with adhesive on one side close to the protective cover. By attaching adhesive on one side of the wire seal, the wire seal can be attached to the protective cover by bonding, ensuring the stability of the wire seal assembly. The protective cover and the wire seal are both provided with avoidance holes matching the riveted wire. This provides an assembly avoidance space for the riveted wire.

[0020] Compared with the prior art, the utility model discloses a novel dustproof, waterproof and highly durable auxiliary switch, which can be assembled, limited and protected by placing the auxiliary switch in the protective shell body and using a spindle seal, a fastener, a spindle protective shell and a snap-fit ​​protective piece.

[0021] By providing sealant, wire seals and protective covers to seal and protect the auxiliary switch, the auxiliary switch has the advantages of strong versatility, high dust and water resistance, and stable and reliable structure. It can be used in a variety of occasions, thus improving the scope of application of the auxiliary switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 Schematic diagram of the structure of a new type of dust-proof, waterproof and highly durable auxiliary switch in an embodiment of the present invention;

[0024] Figure 2 Another schematic diagram of the structure of a new type of dust-proof, waterproof and highly durable auxiliary switch in an embodiment of the present invention;

[0025] Figure 3 For Figure 2 Schematic diagram of the structure at position A in

[0026] Figure 4 Stereogram of the protective housing in an embodiment of the present invention;

[0027] Figure 5 Stereogram of the wire seal in an embodiment of the present invention;

[0028] Figure 6 Stereogram of the main shaft protective housing in an embodiment of the present invention;

[0029] Figure 7 Stereogram of the main shaft seal in an embodiment of the present invention;

[0030] Figure 8 Cross-sectional view of the main shaft seal in an embodiment of the present invention.

[0031] Main reference numerals description:

[0032] 1 - Auxiliary switch body, 101 - Guide rod, 102 - Riveted end wire, 2 - Lower assembly protection component, 201 - Protection housing, 202 - Main shaft protection housing, 2021 - Housing main body, 2022 - Clamping main body, 2023 - Side slider, 2024 - Hanging platform, 203 - Main shaft seal, 2031 - Fastening folded edge, 2032 - Limiting inner ring, 204 - Assembly limiting column, 205 - Extrusion limiting part, 206 - Locking block, 207 - Fastener, 208 - Clamping protection part, 3 - Upper assembly protection component, 301 - Protection cover plate, 302 - Sealant, 303 - Wire seal, 304 - Fastening screw, 305 - Back glue. Detailed implementation manners

[0033] To enable those skilled in the art to better understand the technical solutions in the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] As Figures 1 to 8 shown, a new type of dust-proof, waterproof and highly durable auxiliary switch in an embodiment of the present utility model includes: an auxiliary switch body 1, a guide rod 101, a lower assembly protection component 2, and an upper assembly protection component 3.

[0035] As Figures 1 to 3 shown, a guide rod 101 is assembled inside the auxiliary switch body 1.

[0036] As Figures 1 to 2 shown, multiple groups of evenly distributed riveted end wires 102 are riveted on both sides of the auxiliary switch body 1. The auxiliary switch body 1 is electrically conducted through multiple groups of riveted end wires 102. A 90° terminal riveting is adopted between the multiple groups of riveted end wires 102 and the auxiliary switch body 1. By adopting 90° terminal riveting, the outgoing wire direction of the multiple groups of riveted end wires 102 is adjusted to the height direction.

[0037] As Figure 1 shown, the lower assembly protection component 2 is assembled below the auxiliary switch body 1. The lower assembly protection component 2 includes a protection shell 201, and the protection shell 201 is snap-fitted and assembled below the auxiliary switch body 1. The auxiliary switch body 1 is assembled and protected against dust and water through the protection shell 201.

[0038] As Figures 2 to 4 shown, a plurality of symmetrically distributed assembly limit posts 204 are integrally formed on the inner wall of the protection shell 201. The auxiliary switch body 1 is assembled and limited through multiple groups of assembly limit posts 204, improving the stability of the assembly of the auxiliary switch body 1 and reducing the situation of the auxiliary switch body 1 shaking inside the protection shell 201.

[0039] It should be noted that threaded assembly holes are opened above the multiple assembly limit posts 204. The protection cover plate 301 and the protection shell 201 are fixedly connected through the threaded connection between the threaded assembly holes and the fastening screws 304.

[0040] As Figures 2 to 4As shown, multiple extrusion limiters 205 are arranged between multiple assembly limiter columns 204, and multiple extrusion limiters 205 are integrally formed with the inner wall of the protective housing 201. The auxiliary switch body 1 is limited by multiple extrusion limiters 205 to further ensure the assembly stability of the auxiliary switch body 1.

[0041] like Figures 1 to 3 As shown, the outer side of the protective housing 201 is fixedly equipped with multiple sets of locking blocks 206, which are symmetrically distributed on both sides of the groove, so as to facilitate the installation of the protective housing 201 in the cabinet through the locking blocks 206.

[0042] Specifically, a concave groove is provided on one side of the protective housing 201 close to the guide rod 101. The spindle protective housing 202 is assembled and limited by the concave groove.

[0043] like Figures 2 to 3 As shown, a spindle protection housing 202 is slidably mounted in the concave groove. The spindle protection housing 202 is used to assemble and limit the guide rod 101 and to protect it from dust and water.

[0044] like Figure 6 As shown, the spindle protection housing 202 is composed of a housing body 2021, a locking body 2022, a pair of side sliders 2023 and a hanging platform 2024. The locking body 2022 is arranged on one side of the housing body 2021, a pair of side sliders 2023 are integrally formed on both sides of the housing body 2021, and the hanging platform 2024 is arranged on the side of the housing body 2021 away from the locking body 2022.

[0045] Specifically, the size of the engaging body 2022 is smaller than the size of the shell body 2021. The engaging protection member 208 is engaged and limited by the mutual cooperation between the engaging body 2022 and the shell body 2021.

[0046] Among them, an assembly slide groove is opened on the side wall of the concave groove, and the assembly slide groove is slidably matched with the side slider 2023. The main shaft protection housing 202 is assembled and limited by the sliding match between the assembly slide groove and the side slider 2023.

[0047] like Figures 2 to 7 As shown, a spindle seal 203 is mounted on one side of the spindle protection housing 202 close to the protection housing 201, and the spindle seal 203 is sleeved on the outside of the guide rod 101. The spindle seal 203 seals and protects the guide rod 101, thereby improving the dust and water protection performance of the auxiliary switch body 1.

[0048] Preferably, the main shaft seal 203 is made of fluororubber, has good oil resistance and mechanical properties, and can meet the requirements of long-term, high-intensity torsion.

[0049] likeFigure 8 As shown, the main shaft seal 203 is of S-shaped design. The main shaft seal 203 can twist together with the torsion of the guide rod 101. By setting the main shaft seal 203 as S-shaped, the rotation angle of the main shaft seal 203 per unit length is reduced.

[0050] As Figure 8 shown, the main shaft seal 203 has a fastening hem 2031. A limiting inner ring 2032 is integrally formed inside the main shaft seal 203. An assembly gap is formed between the fastening hem 2031 and the limiting inner ring 2032. The fastener 207 and the guide rod 101 are connected and assembled through the assembly gap.

[0051] As Figures 1 to 3 shown, a fastener 207 is snap-fitted on the side of the main shaft seal 203 facing away from the main shaft protective housing 202. The fastener 207 is assembled in the assembly gap, and the fastener 207 is fixedly assembled on the outside of the guide rod 101. The main shaft seal 203 and the guide rod 101 are hermetically limited by the fastener 207, improving the effect of dust and water protection for the guide rod 101.

[0052] As Figures 1 to 3 shown, a snap-fitting protective part 208 is snap-fitted on the side of the main shaft protective housing 202 facing away from the main shaft seal 203. The protective housing 201 is assisted in sealing and protecting through the snap-fitting protective part 208.

[0053] As Figure 1 shown, the upper assembly protection component 3 is fixedly assembled above the auxiliary switch body 1. The upper assembly protection component 3 includes a protection cover plate 301, and the protection cover plate 301 is fixedly assembled above the protective housing 201. The auxiliary switch body 1 is assisted in fixing and protecting through the protection cover plate 301.

[0054] As Figure 1 shown, a sealant 302 is fixedly assembled on the side of the protection cover plate 301 facing away from the auxiliary switch body 1. The sealant 302 seals the peripheral gaps between the protection cover plate 301 and the protective housing 201, improving the dust and water protection performance of the auxiliary switch body 1.

[0055] As Figures 2 to 4 shown, a pair of wire seals 303 are fixedly assembled between the protection cover plate 301 and the sealant 302. The riveted-end wire 102 is assembled, limited, and hermetically protected through the wire seals 303.

[0056] As Figure 1 shown, a plurality of fastening screws 304 are threadedly connected between the protection cover plate 301 and the protective housing 201. The protection cover plate 301 and the protective housing 201 are connected and fixed by the threaded cooperation of the fastening screws 304 and the threaded assembly holes on the protective housing 201.

[0057] As Figure 1 shown, a pair of assembly positioning grooves are drilled above the protective cover plate 301, and the assembly positioning grooves are arranged in cooperation with the wire seal 303. The wire seal 303 is assembled and positioned through the assembly positioning grooves, ensuring the stability of the assembly and fixation of the wire seal 303.

[0058] As Figure 5 shown, a backing adhesive 305 is attached to one side of each of the pair of wire seals 303 close to the protective cover plate 301. By attaching the backing adhesive 305 to one side of the wire seal 303, the wire seal 303 can be attached to the protective cover plate 301 by bonding, ensuring the stability of the assembly of the wire seal 303.

[0059] Specifically, avoidance holes matching the riveted end wire 102 are drilled on both the protective cover plate 301 and the wire seal 303, providing an assembly avoidance space for the riveted end wire 102.

[0060] During specific use, the fastener 207 and the main shaft seal 203 are sleeved on the outside of the guide rod 101, and the main shaft seal 203 is sleeved on the outside of the guide rod 101 by means of the mutual cooperation of the assembly clearance between the fastener 207 and the main shaft seal 203. At the same time, the hanging platform 2024 can be placed in the main shaft protective housing 202, and then, the auxiliary switch body 1 is placed in the protective housing 201. The auxiliary switch body 1 is assisted in assembly and limited by a plurality of assembly limit posts 204 and extrusion limit members 205, reducing the situation of shaking of the auxiliary switch body 1 during use.

[0061] During the assembly of the auxiliary switch body 1, the main shaft protective housing 202 can be synchronously assembled into the concave groove through the mutual cooperation of a pair of side sliders 2023 and the assembly chute on the inner wall of the concave groove.

[0062] Subsequently, the protective cover plate 301 can be buckled above the auxiliary switch body 1, and the protective cover plate 301 and the protective housing 201 are fixedly assembled by a plurality of fastening screws 304. During the assembly of the protective cover plate 301, the assembly block on the side of the protective cover plate 301 close to the guide rod 101 and the main shaft seal 203 on the outside of the hanging platform 2024 are mutually extruded, improving the sealing and protection effect of the main shaft seal 203 on the guide rod 101 through extrusion.

[0063] A pair of wire seals 303 can be pasted above the protective cover plate 301 by means of the backing adhesive 305, and the peripheral gaps between the protective cover plate 301 and the protective housing 201 are sealed by the sealant 302, improving the dust and water protection performance of the auxiliary switch body 1.

[0064] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0065] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A new type of dustproof, waterproof and highly durable auxiliary switch, characterized in that: include: An auxiliary switch body, wherein a guide rod is assembled in the auxiliary switch body; A lower assembly protection component is assembled below the auxiliary switch body, the lower assembly protection component includes a protection shell, the protection shell is snap-fitted and assembled below the auxiliary switch body, a concave groove is provided on the side of the protection shell close to the guide rod, a spindle protection shell is slidably assembled in the concave groove, a spindle seal is assembled on the side of the spindle protection shell close to the protection shell, and the spindle seal is sleeved on the outside of the guide rod; An upper mounted protective component is fixedly mounted above the auxiliary switch body. The upper mounted protective component includes a protective cover plate, which is fixedly mounted above the protective shell. A sealant is fixedly mounted on the side of the protective cover plate away from the auxiliary switch body. A pair of wire seals are fixedly mounted between the protective cover plate and the sealant.

2. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 1, characterized in that: Multiple groups of evenly distributed riveted end wires are riveted on both sides of the auxiliary switch body, and 90° terminal riveting is adopted between the multiple groups of riveted end wires and the auxiliary switch body.

3. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 1, characterized in that: A plurality of symmetrically distributed assembly limit posts are integrally formed on the inner wall of the protective shell, and threaded assembly holes are provided above the plurality of assembly limit posts.

4. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 3, characterized in that: A plurality of extrusion limit members are arranged between the plurality of assembly limit columns, and the plurality of extrusion limit members are integrally formed with the inner wall of the protective shell. A plurality of locking blocks are fixedly assembled on the outer side of the protective shell, and the plurality of locking blocks are symmetrically distributed on both sides of the groove.

5. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 1, characterized in that: The spindle protection shell is composed of a shell body, a clamping body, a pair of side slides and a hanging platform. The clamping body is arranged on one side of the shell body, the pair of side slides are integrally formed on both sides of the shell body, and the hanging platform is arranged on the side of the shell body away from the clamping body.

6. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 5, characterized in that: The size of the engaging body is smaller than that of the shell body, and a mounting slide groove is provided on the side wall of the concave groove, and the mounting slide groove is slidably matched with the side sliding block.

7. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 1, characterized in that: The spindle seal is of S-shaped design, has a fastening folded edge, and has a limiting inner ring integrally formed inside the spindle seal, with an assembly gap formed between the fastening folded edge and the limiting inner ring.

8. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 7, characterized in that: A fastener is snap-fitted on the side of the spindle seal away from the spindle protective housing. The fastener is assembled in the assembly gap and fixedly assembled on the outside of the guide rod. A snap-fit ​​protective piece is snap-fitted on the side of the spindle protective housing away from the spindle seal.

9. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 2, characterized in that: A plurality of fastening screws are threadedly connected between the protective cover plate and the protective shell, and a pair of assembly positioning grooves are opened on the top of the protective cover plate, and the assembly positioning grooves are arranged in cooperation with the wire sealing member.

10. A novel dustproof, waterproof and highly durable auxiliary switch according to claim 9, characterized in that: The side of the pair of wire seals close to the protective cover plate is attached with adhesive backing, and the protective cover plate and the wire seals are both provided with avoidance holes matching the riveted end wires.

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