A handle assembly and N-pole circuit breaker
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-10
- Publication Date
- 2026-08-11
AI Technical Summary
[0005]此种装配方式，效率较低，延长了多极断路器的生产加工周期
[0013]另外，位于第一方向两端的手柄的外侧均设置有凹槽，手柄套沿第一方向的两端均设置有卡扣，手柄套在第一方向上可以呈中心对称或镜像对称设置。在实际装配时，第一方向上，操作人员可以不用花费时间和精力辨别手柄套的放置方位，无需反复调试或测量，一次性即可装配到位，大幅降低装配时间和人力成本，能够提升手柄套的装配效率。同时，不会出现手柄套装反的情况，有效降低因装反而导致的质量问题、功能失效或需要返工的风险。
Smart Images
Figure CN224625495U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of circuit breaker technology, specifically to a handle assembly and an N-pole circuit breaker. Background Technology
[0002] A circuit breaker is an electrical device used to protect and control circuits. Its main function is to safely connect, carry, and disconnect the current in a circuit under normal or fault conditions, thereby ensuring electrical safety.
[0003] To improve electrical safety, multi-pole circuit breakers are generally used. In multi-pole circuit breakers, a handle assembly is often used to achieve coordinated operation of multiple circuit breaker bodies.
[0004] In the prior art, when assembling a multi-pole circuit breaker, it is generally necessary to connect multiple circuit breaker bodies equipped with handles to the handle sleeve one after another, and then use rivets to rivet the multiple circuit breaker bodies together.
[0005] This assembly method is less efficient and prolongs the production and processing cycle of multi-pole circuit breakers. Utility Model Content
[0006] This application provides a handle assembly and an N-pole circuit breaker to improve the assembly efficiency of multi-pole circuit breakers and shorten the production and processing cycle of multi-pole circuit breakers.
[0007] To achieve the above objectives, in a first aspect, this application provides a handle assembly, including a handle sleeve and N handles arranged sequentially along a first direction, where N is an integer greater than or equal to 2. The first direction is parallel to the rotation axis of the handles. At least one handle has one of a groove and a latch on at least one side along the first direction. The handle sleeve has an open receiving space, and one end of each of the N handles is located within the receiving space. The inner wall of the handle sleeve is used for driving contact with the N handles. The handle sleeve also has one of a groove and a latch correspondingly provided, and the groove and latch at the opposite position of the handle and the handle sleeve engage with each other.
[0008] When the above technical solution is adopted, the handle sleeve has an open receiving space, and one end of each of the N handles is located within the receiving space. The inner wall of the handle sleeve is used to contact the handle drive. When the handle sleeve is subjected to a force that allows it to rotate around the rotation axis of the handle, the inner wall of the handle sleeve can contact the N handles, further driving the N handles to rotate around the rotation axis, realizing the linkage of the N handles, thereby realizing the switching of the N-pole circuit breaker between the open and closed states.
[0009] The handle sleeve has a corresponding groove and a snap fastener, and the groove and snap fastener on the handle and handle sleeve engage to lock the handle sleeve and handle together. When assembling an N-pole circuit breaker, the handle can first be attached to the circuit breaker body, and N circuit breaker bodies with handles attached can be arranged side-by-side in a preset order along a first direction. Then, the N circuit breaker bodies are riveted together. Afterwards, the groove and snap fastener are matched to lock the handle sleeve and handle together, and the handle sleeve is then placed on the N handles. This completes the assembly of the N-pole circuit breaker.
[0010] Compared to existing technologies that require connecting multiple circuit breaker bodies equipped with handles to a handle sleeve sequentially and then riveting them together, the handle sleeve provided in this application allows for direct attachment to the handle after multiple circuit breaker bodies with handles have been riveted together. This one-step process improves assembly efficiency and saves assembly time and costs.
[0011] In one possible implementation, the handles located at both ends of the first direction have grooves on both sides along the first direction; the handle sleeves have corresponding buckles at both ends along the first direction.
[0012] When adopting the above technical solution, grooves are provided on the outer sides of the handles at both ends in the first direction, and buckles are provided at both ends of the handle sleeve along the first direction. When the grooves at both ends of the first direction engage with the buckles to complete the assembly of the handle sleeve, the movement of the handle sleeve along the first direction can be restricted, preventing it from easily detaching from the handle. Since the buckles at both ends of the handle sleeve along the first direction are engaged in the corresponding grooves, relative rotation between the handle sleeve and the handle can also be restricted. In this way, the firmness of the handle sleeve can be improved, effectively reducing the possibility of the handle sleeve loosening, falling off, or rotating during use.
[0013] In addition, grooves are provided on the outer sides of the handles at both ends in the first direction, and buckles are provided at both ends of the handle sleeve along the first direction. The handle sleeve can be arranged in a centrally symmetrical or mirror-symmetrical manner in the first direction. During actual assembly, in the first direction, the operator does not need to spend time and effort to identify the placement of the handle sleeve, and can assemble it in one go without repeated adjustments or measurements, greatly reducing assembly time and labor costs and improving the assembly efficiency of the handle sleeve. At the same time, it will not be possible for the handle sleeve to be installed backwards, effectively reducing the risk of quality problems, functional failures, or the need for rework caused by backwards installation.
[0014] Moreover, when the handle cover is damaged and needs to be replaced, maintenance personnel do not need to remember or identify the orientation of the original parts. They can simply take out the new parts and assemble them directly, which is convenient for operation.
[0015] In one possible implementation, N-1 partitions are provided within the containment space, which are used to divide the containment space into N isolated spaces. The N isolated spaces are arranged sequentially along a first direction, and the N isolated spaces correspond to the N handles.
[0016] When the above technical solution is adopted, on the one hand, the isolation plate can separate two adjacent circuit breaker bodies, effectively blocking the spread of electric arc and the diffusion of energy, and reducing the possibility of phase-to-phase short circuit.
[0017] On the other hand, the isolation plate acts as a reinforcing rib within the accommodating space, enhancing the mechanical strength of the handle cover, improving its resistance to deformation, and extending its service life.
[0018] Furthermore, the partition divides the storage space into multiple partitioned spaces, that is, the large space is divided into small units, which facilitates the matching and positioning of the handle cover and the handle when assembling the handle cover.
[0019] Furthermore, the channels formed by the isolation space can also act as heat dissipation ducts, which help air flow, carry away heat, and reduce the temperature of the circuit breaker body.
[0020] In one possible implementation, the isolation plate used to form the isolation space at both ends in the first direction is provided with protrusions that mate with corresponding grooves.
[0021] When the above technical solution is adopted, the handle sleeve is assembled onto the circuit breaker body through the cooperation of the buckle and the groove, as well as the protrusion and the groove, which can enhance the assembly firmness of the handle sleeve.
[0022] Meanwhile, the protrusion increases the contact area between the handle sleeve and the handle. When the operator applies force to the handle sleeve, the force is dispersed and transmitted through the grooves, buckles, protrusions, and the inner wall of the handle sleeve, making it easier to rotate the handle.
[0023] In addition, the protrusions can disperse stress, avoid stress concentration, and effectively extend the service life of the handle sleeve.
[0024] In addition, this design allows the handle sleeve to be centrally symmetrical or mirror-symmetrical in the first direction. This improves the efficiency of handle sleeve assembly and reduces the risk of incorrect handle sleeve installation.
[0025] In one possible implementation, a first limiting part is provided in the isolation space at both ends of the first direction, and the first limiting part is used to abut against the top of the corresponding handle.
[0026] By adopting the above technical solution, the stability of the connection between the handle sleeve and the circuit breaker body can be improved, reducing the possibility of the handle sleeve shaking. Simultaneously, after the handle sleeve is assembled, the top of the handle is fixed in position within the receiving space, which can improve the consistency of the structure and dimensions of different N-pole circuit breakers.
[0027] In one possible implementation, when N is greater than 2, a second limiting part is provided in the isolation space in the middle, and the second limiting part abuts against the top of the corresponding handle.
[0028] By adopting the above technical solution, the stability of the connection between the handle sleeve and the circuit breaker body can be improved, reducing the possibility of the handle sleeve shaking. Simultaneously, after the handle sleeve is assembled, the top of the handle is fixed in position within the receiving space, which can improve the consistency of the structure and dimensions of different N-pole circuit breakers.
[0029] In one possible implementation, the second limiting part abuts against the corner position of the corresponding handle.
[0030] When the above technical solution is adopted, the handle can be limited in the first direction and in the direction perpendicular to the first direction, reducing the possibility of the handle sleeve shaking.
[0031] In one possible implementation, through holes are provided on the handle sleeve at both ends along the first direction. The through holes are connected to the isolation spaces located at the ends in the first direction.
[0032] By adopting the above technical solution, the amount of material used in the handle sleeve can be reduced, saving costs. At the same time, the through hole can create an air circulation channel, which helps to dissipate internal heat and reduce the temperature rise of the circuit breaker body.
[0033] In one possible implementation, the outer surface of the handle sleeve is provided with anti-slip texture.
[0034] When using the above technical solution, the anti-slip texture design increases the friction between the operator's fingers and the surface of the handle sleeve, facilitating quick and reliable disconnection or closure of the N-pole circuit breaker. Simultaneously, it effectively reduces hand slippage when operating the handle sleeve, preventing collisions with nearby equipment or metal cabinets and avoiding hand injuries.
[0035] Secondly, this application provides an N-pole circuit breaker, which includes N circuit breaker bodies, rivets, and a handle assembly as described in any possible implementation of the first aspect. The N circuit breaker bodies are arranged sequentially along a first direction. The handle assembly is disposed on the N circuit breaker bodies. The rivets pass through and rivet the N circuit breaker bodies along the first direction.
[0036] The technical effects of the N-pole circuit breaker provided in the second aspect can be referred to the technical effects of the handle assembly provided in the first aspect, and will not be elaborated here. Attached Figure Description
[0037] Figure 1 This is a schematic diagram of the structure of a handle sleeve provided in the prior art.
[0038] Figure 2 This is a schematic diagram of the structure of an N-pole circuit breaker provided in an embodiment of this application.
[0039] Figure 3 This is a partial structural schematic diagram of an N-pole circuit breaker provided in an embodiment of this application.
[0040] Figure 4 This is a schematic diagram of the handle sleeve provided in an embodiment of this application.
[0041] Figure 5 This is a schematic diagram of the handle provided in an embodiment of this application.
[0042] Explanation of reference numerals in the attached figures:
[0043] Existing technology:
[0044] 1'-Handle sleeve, 11'-Extension;
[0045] This application:
[0046] 1-Handle sleeve, 11-Snap fastener, 12-Isolation plate, 13-Protrusion, 14-First limiting part, 15-Second limiting part, 16-Through hole
[0047] 2-Handle, 21-Groove, 3-Circuit breaker body, 31-Housing, 4-Rivet. Detailed Implementation
[0048] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.
[0050] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0051] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this application. For example, in the description of this application, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0052] Furthermore, the terms "first," "second," etc., in the specification and claims of this application or in the aforementioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.
[0053] In the description of this application, unless otherwise stated, "multiple" means two or more (including two), and similarly, "multiple groups" means two or more (including two groups).
[0054] Figure 1 This diagram illustrates the structure of the handle sleeve 1' provided by the technology. Figure 1 As shown, the handle sleeve 1' has extensions 11' at both ends along the first direction. Both extensions 11' extend along the first direction. Moreover, one extension 11' extends towards the first side, and the other extension 11' extends towards the second side. The handles at both ends of the first direction have recesses that mate with the extensions 11'.
[0055] During actual assembly, after attaching the handle to the circuit breaker body, the middle handle and circuit breaker body must first be matched and assembled with the handle sleeve 1'. Then, the recesses on the handles at both ends in the first direction are aligned with the corresponding extensions 11'. Next, the circuit breaker bodies and handles at both ends in the first direction are moved along the first direction, with the circuit breaker bodies and handles closer to the first side moving towards the second side, and the circuit breaker bodies and handles closer to the second side moving towards the first side, so that the extensions 11' extend into the corresponding recesses. Finally, multiple circuit breaker bodies are riveted together using rivets.
[0056] Thus, through the rivets and the cooperation of the recess and the extension 11', the connection between multiple circuit breaker bodies and the handle and handle sleeve 1' is realized, and the assembly of the multi-pole circuit breaker is completed.
[0057] However, in the existing multi-pole circuit breakers, during assembly, multiple circuit breaker bodies equipped with handles need to be connected sequentially to the handle sleeve 1', and then the multiple circuit breaker bodies are riveted together. This assembly method is inefficient and prolongs the production and processing cycle of multi-pole circuit breakers.
[0058] In view of the problems existing in the prior art, such as Figure 2 As shown in the figure, this application provides an N-pole circuit breaker, which includes N circuit breaker bodies 3, rivets 4, and a handle assembly. The handle assembly includes a handle sleeve and N handles arranged sequentially along a first direction.
[0059] N is an integer greater than or equal to 2. N can be equal to 2, 3, 4, 5, 6, etc. When N equals 2, the N-pole circuit breaker consists of two circuit breaker bodies 3, and the N-pole circuit breaker is a two-pole circuit breaker. When N equals 3, the N-pole circuit breaker consists of three circuit breaker bodies 3, and the N-pole circuit breaker is a three-pole circuit breaker. Correspondingly, and so on, when N equals 6, the N-pole circuit breaker consists of six circuit breaker bodies 3, and the N-pole circuit breaker is a six-pole circuit breaker.
[0060] Figure 2 and Figure 3 The illustrated N-pole circuit breaker includes four circuit breaker bodies 3. This N-pole circuit breaker is a four-pole circuit breaker, but it does not constitute a limitation on the technical solution of this application.
[0061] Please refer to Figure 2 and Figure 3 As shown, N circuit breaker bodies 3 are arranged sequentially along the first direction. N circuit breaker bodies 3 are arranged side by side along the first direction.
[0062] Each circuit breaker body 3 corresponds to one handle 2, and N circuit breaker bodies 3 correspond to N handles 2. In specific implementation, the circuit breaker body 3 also includes a housing 31, one end of the handle 2 extends outside the housing 31, and the other end of the handle 2 is located inside the housing 31.
[0063] In practice, the handle 2 can rotate relative to the housing 31, allowing the handle 2 to have an open position and a closed position. When the handle 2 is in the open position, the circuit breaker body 3 is in the open state, and the current in the circuit containing the circuit breaker body 3 is interrupted. When the handle 2 is in the closed position, the circuit breaker body 3 is in the closed state, and the current in the circuit containing the circuit breaker body 3 is connected.
[0064] N handles 2 are arranged sequentially along a first direction, which is parallel to the rotation axis of the handles 2. The rotation axes of the N handles 2 can coincide.
[0065] The handle sleeve 1 can be fitted onto N handles 2. When the handle sleeve 1 is subjected to a force that allows it to rotate around the rotation axis of the handle 2, the handle sleeve 1 can synchronously drive the N handles 2 to rotate around the rotation axis, so that the N handles 2 can switch synchronously between the open and closed positions.
[0066] Rivet 4 penetrates through N circuit breaker bodies 3 along the first direction, thereby enabling the N circuit breaker bodies 3 to be riveted together.
[0067] In practice, through holes extending along the first direction can be provided on each circuit breaker body 3. When N circuit breaker bodies 3 are arranged side by side along the first direction, one end of the rivet 4 is passed through the N through holes in sequence to rivet the N circuit breaker bodies 3 together.
[0068] In practice, there can be multiple rivets 4, and correspondingly, there can be multiple through holes on each circuit breaker body 3. N circuit breaker bodies 3 are connected by multiple rivets 4 to enhance the structural stability of the N-pole circuit breaker.
[0069] Combination Figures 2 to 5 As shown in the figure, this application embodiment provides a handle assembly, which is applied in an N-pole circuit breaker. The handle assembly includes a handle sleeve and N handles arranged sequentially along a first direction.
[0070] The specific structure and dimensions of the handle sleeve 1 are not specified here and shall be subject to the actual situation.
[0071] The material of the handle sleeve 1 is not specifically limited here, but it should meet the requirements of having excellent mechanical strength and impact resistance, not being easy to break, and being able to withstand frequent operation and accidental impacts of a certain strength. At the same time, the handle sleeve 1 is required to have good heat resistance and corrosion resistance, and be able to withstand the high temperature of the electric arc that may be generated when the circuit breaker is broken, as well as the heat from the surrounding environment.
[0072] At least one handle 2 is provided with one of a groove 21 and a latch 11 on at least one side along the first direction.
[0073] In a specific implementation, one of a groove 21 and a latch 11 can be provided on one side of one of the handles 2 along the first direction. For example, a latch 11 can be provided on one side of one of the handles 2 along the first direction. Alternatively, a groove 21 can be provided on one side of one of the handles 2 along the first direction.
[0074] One of a groove 21 and a latch 11 can be provided on both sides of one of the handles 2 along the first direction. For example, latches 11 can be provided on both sides of one of the handles 2 along the first direction. Alternatively, grooves 21 can be provided on both sides of one of the handles 2 along the first direction. Or, latches 11 can be provided on one side of one of the handles 2 along the first direction, and grooves 21 can be provided on the other side.
[0075] Of course, one of the grooves 21 and the latches 11 can also be provided on one side of the two handles 2 along the first direction. For example, the grooves 21 can be provided on the same side of the two handles 2 along the first direction, or the latches 11 can be provided on the same side of the two handles 2 along the first direction. Alternatively, the grooves 21 can be provided on different sides of the two handles 2 along the first direction, or the latches 11 can be provided on different sides of the two handles 2 along the first direction.
[0076] Alternatively, one of a groove 21 and a latch 11 may be provided on both sides of the two handles 2 along the first direction. For example, grooves 21 may be provided on both sides of the two handles 2 along the first direction, or latches 11 may be provided on both sides of the two handles 2 along the first direction. Alternatively, grooves 21 may be provided on both sides of one handle 2 along the first direction, and latches 11 may be provided on both sides of the other handle 2 along the first direction.
[0077] The number and position of grooves 21 or buckles 11 on N handles 2 are not specifically limited here, but shall be determined according to the actual situation.
[0078] The handle sleeve 1 has an open receiving space, and one end of N handles 2 is located in the receiving space. The structure and size of the receiving space are not limited here, but are based on the requirement of being able to accommodate one end of N handles 2 at the same time.
[0079] The inner wall of the handle sleeve 1 is used to drive contact with N handles 2. When the handle sleeve 1 is subjected to a force that allows it to rotate around the rotation axis of the handle 2, the inner wall of the handle sleeve 1 can contact the N handles 2, further driving the N handles 2 to rotate around the rotation axis, realizing the linkage of the N handles 2, so that the N handles 2 can switch synchronously between the open and closed positions, thereby realizing the switching of the N-pole circuit breaker between the open and closed states.
[0080] Please refer to Figure 4 As shown, the handle sleeve 1 is provided with the other of the groove 21 and the buckle 11, and the groove 21 and the buckle 11 on the handle 2 and the handle sleeve 1 respectively cooperate to make the handle sleeve 1 and the handle 2 snap together.
[0081] When using the handle assembly provided in this application embodiment, during the assembly of the N-pole circuit breaker, the handle 2 can first be assembled onto the circuit breaker body 3, and N circuit breaker bodies 3 equipped with handles can be arranged side by side in a preset order along a first direction. Then, the N circuit breaker bodies 3 are riveted together using rivets 4. Afterwards, the groove 21 and the buckle 11 are matched accordingly, so that the handle sleeve 1 and the handle 2 are engaged, and the handle sleeve 1 is placed on the N handles 2. In this way, the assembly of the N-pole circuit breaker is realized.
[0082] Compared to existing technologies, which require connecting multiple circuit breaker bodies 3 equipped with handles to the handle sleeve 1 sequentially and then riveting the multiple circuit breaker bodies 3 together using rivets 4, the handle sleeve 1 provided in this embodiment can be directly snapped onto the handle 2 after multiple circuit breaker bodies 3 equipped with handles 2 are riveted together. This allows for a one-step process, improving assembly efficiency and saving assembly time and costs.
[0083] The number and position of the grooves 21 or buckles 11 on the handle sleeve 1 correspond to the number and position of the buckles 11 or grooves 21 on the handle 2.
[0084] When a groove 21 is provided on the handle 2, a buckle 11 can be provided at the corresponding position on the handle sleeve 1. When a buckle 11 is provided on the handle 2, a groove 21 can be provided at the corresponding position on the handle sleeve 1.
[0085] In one possible implementation, please combine Figures 2 to 5 As shown, the handles 2 located at both ends of the first direction have grooves 21 on both sides of the first direction, and the handle sleeve 1 has buckles 11 on both ends of the first direction.
[0086] At this time, grooves 21 are provided on the outer sides of the handles 2 at both ends of the first direction, and buckles 11 are provided at both ends of the handle sleeve 1 along the first direction. When the grooves 21 at both ends of the first direction engage with the buckles 11 to complete the assembly of the handle sleeve 1, the movement of the handle sleeve 1 along the first direction can be restricted, preventing it from easily detaching from the handles 2. Since the buckles 11 at both ends of the handle sleeve 1 along the first direction are engaged in the corresponding grooves 21, relative rotation between the handle sleeve 1 and the handles 2 can also be restricted. In this way, the firmness of the handle sleeve 1 can be improved, effectively reducing the possibility of the handle sleeve 1 loosening, falling off, or rotating during use.
[0087] In addition, grooves 21 are provided on the outer sides of the handles 2 at both ends in the first direction, and buckles 11 are provided at both ends of the handle sleeve 1 along the first direction. The handle sleeve 1 can be arranged in a centrally symmetrical or mirror-symmetrical manner in the first direction. In actual assembly, in the first direction, the operator does not need to spend time and effort to identify the placement of the handle sleeve 1, and can assemble it in one go without repeated adjustments or measurements, which greatly reduces assembly time and labor costs and improves the assembly efficiency of the handle sleeve 1. At the same time, the handle sleeve 1 will not be installed backwards, effectively reducing the risk of quality problems, functional failures, or rework caused by backwards installation.
[0088] Moreover, when the handle sleeve 1 is damaged and needs to be replaced, maintenance personnel do not need to remember or identify the orientation of the original parts. They can simply take out the new parts and assemble them directly, which is convenient for operation.
[0089] In some embodiments, such as Figure 4 As shown, N-1 partition plates 12 are provided in the containing space. The N-1 partition plates 12 are used to divide the containing space into N partition spaces, and the N partition spaces are arranged sequentially along the first direction.
[0090] After connecting the handle sleeve 1 to the circuit breaker body 3, the isolation space corresponds to the handle 2. Please combine... Figures 2 to 4 As shown. One isolation space corresponds to one handle 2. In fact, one end of handle 2 is located within the isolation space.
[0091] On the one hand, the isolation plate 12 can separate two adjacent circuit breaker bodies 3, effectively blocking the spread of electric arc and the diffusion of energy, and reducing the possibility of phase-to-phase short circuit.
[0092] On the other hand, the isolation plate 12 acts as a reinforcing rib within the accommodating space, enhancing the mechanical strength of the handle sleeve 1, improving its resistance to deformation, and extending its service life.
[0093] Furthermore, the partition plate 12 divides the accommodating space into multiple partitioned spaces, that is, it divides the large space into small units, which facilitates the matching and positioning of the handle sleeve 1 and the handle 2 when assembling the handle sleeve 1.
[0094] Furthermore, the channel formed by the isolation space can also serve as a heat dissipation duct, which helps air flow, removes heat, and reduces the temperature of the circuit breaker body 3.
[0095] In practice, the isolation plate 12 can be perpendicular to the first direction, or it can be at an angle to the first direction.
[0096] The isolation plate 12 and the handle sleeve 1 can be connected together by welding, bonding, or snap-fitting. Of course, the connection method between the isolation plate 12 and the handle sleeve 1 is not limited to these methods, and the specific method shall prevail according to the actual situation.
[0097] The size and structure of the isolation space are matched with the size and structure of the handle 2, and no specific limitations are made here.
[0098] In the embodiments provided in this application, the isolation plate 12 can be integrally formed with the handle sleeve 1, that is, the isolation plate 12 is integrally formed during the process of forming the handle sleeve 1.
[0099] The number of isolation plates 12 corresponds to the number of handles 2. The number of isolation plates is one less than the number of handles. When N equals 2, there are two circuit breaker bodies 3, two handles 2, two isolation spaces, and one corresponding isolation plate 12.
[0100] Accordingly, when N equals 3, there are three circuit breaker bodies 3, three handles 2, three isolation spaces, and two corresponding isolation plates 12.
[0101] Combination Figures 2 to 4 As shown, N equals 4, the number of circuit breaker bodies 3 is four, the number of handles 2 is four, the number of isolation spaces is four, and the number of corresponding isolation plates 12 is three.
[0102] As an example, please combine Figures 2 to 4 As shown, the handles 2 located at both ends of the first direction have grooves 21 on both sides along the first direction. The isolation plate 12, which forms the isolation space at both ends of the first direction, has protrusions 13 that cooperate with the corresponding grooves 21.
[0103] In this way, the handle sleeve 1 is assembled onto N handles through the cooperation of the buckle 11 with the groove 21 and the protrusion 13 with the groove 21, which can enhance the assembly firmness of the handle sleeve 1.
[0104] Meanwhile, the protrusion 13 increases the contact area between the handle sleeve 1 and the handle 2. When the operator applies force to the handle sleeve 1, the force can be dispersed and transmitted through the groove 21, the buckle 11, the protrusion 13, and the inner wall of the handle sleeve 1, making it easier to rotate the handle 2.
[0105] In addition, the protrusion 13 can disperse stress, avoid stress concentration, and effectively extend the service life of the handle sleeve 1.
[0106] In addition, this allows the handle sleeve 1 to be centrally symmetrical or mirror-symmetrical in the first direction. This improves the assembly efficiency of the handle sleeve 1 and reduces the risk of installing it backwards.
[0107] Specifically, such as Figure 4 As shown, the two outermost isolation plates 12 are provided with protrusions 13, and the protrusions 13 extend outward toward the isolation space.
[0108] The dimensions of the protrusion 13 in the first direction are not specifically defined here. During actual assembly, the protrusion 13 will first contact the edge of the corresponding groove 21 on the handle 2. Due to the continued application of thrust, the protrusion 13 will undergo slight, recoverable elastic bending or compression, thereby sliding over the edge of the groove 21 and entering the groove 21. When the protrusion 13 has fully slid into the correct position in the groove 21, the handle sleeve 1 can return to its original shape.
[0109] It should be noted that when N equals 2, the number of isolation plates 12 is one. In this case, protrusions 13 are provided on both sides of the isolation plate 12 along the first direction.
[0110] In one example, a first limiting part 14 is provided in the isolation space at both ends of the first direction, and the first limiting part 14 is used to abut against the top of the corresponding handle 2.
[0111] This improves the stability of the connection between the handle sleeve 1 and the circuit breaker body 3, reducing the possibility of the handle sleeve 1 shaking. Simultaneously, after the handle sleeve 1 is assembled, the top of the handle 2 is fixed in position within the receiving space, improving the consistency of the structure and dimensions of different N-pole circuit breakers.
[0112] In fact, there are two first limiting parts 14, and the two first limiting parts 14 respectively abut against the handles 2 located at both ends in the first direction.
[0113] The top of the handle 2 refers to the end of the handle 2 that extends out of the housing 31 and is away from the housing 31.
[0114] In practice, the first limiting part 14 and the handle sleeve 1 can be connected together by welding, bonding, or snap-fitting. Of course, the connection method between the first limiting part 14 and the handle sleeve 1 is not limited to this, and the specific method shall prevail according to the actual situation.
[0115] In the embodiments provided in this application, the first limiting part 14 can be integrally formed with the handle sleeve 1, that is, the first limiting part 14 is integrally formed during the process of forming the handle sleeve 1.
[0116] In some embodiments, when N is greater than 2, a second limiting part 15 is provided in the isolation space in the middle, and the second limiting part 15 abuts against the top of the corresponding handle 2.
[0117] This improves the stability of the connection between the handle sleeve 1 and the circuit breaker body 3, reducing the possibility of the handle sleeve 1 shaking. Simultaneously, after the handle sleeve 1 is assembled, the top of the handle 2 is fixed in position within the receiving space, improving the consistency of the structure and dimensions of different N-pole circuit breakers.
[0118] In practice, the second limiting part 15 can be connected to the handle sleeve 1 by welding, bonding, or snap-fitting. Of course, the connection method between the second limiting part 15 and the handle sleeve 1 is not limited to these methods, and the specific method shall prevail according to the actual situation.
[0119] In the embodiments provided in this application, the second limiting part 15 can be integrally formed with the handle sleeve 1, that is, the second limiting part 15 is integrally formed during the process of forming the handle sleeve 1.
[0120] As a possible approach, the second limiting part 15 abuts against the corner position of the corresponding handle 2.
[0121] In this way, the handle 2 can be limited in the first direction and in the direction perpendicular to the first direction, reducing the possibility of the handle sleeve 1 wobbling.
[0122] It should be noted that the corner position of handle 2 refers to the corner at the top of handle 2.
[0123] like Figure 4 As shown, through holes 16 are provided on the handle sleeve 1 at both ends along the first direction. The through holes 16 are connected to the isolation space located at the end of the first direction.
[0124] This reduces the amount of material used in the handle sleeve 1, saving costs. At the same time, the through hole 16 creates an air circulation channel, which helps to dissipate internal heat and reduce the temperature rise of the circuit breaker body 3.
[0125] In practice, the shape and size of the through hole 16 are not specifically limited here, but shall be determined according to the actual situation.
[0126] As a feasible approach, the outer surface of the handle sleeve 1 is provided with anti-slip texture. The anti-slip texture design can increase the friction of the handle sleeve 1 surface, enabling quick and reliable disconnection or closure of the N-pole circuit breaker. At the same time, it can effectively reduce the phenomenon of operators' hands slipping when operating the handle sleeve 1, so as to avoid collisions with nearby equipment or metal cabinets, resulting in hand cuts.
[0127] In the description of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection. A physical connection can be a fixed connection, such as a connection secured by fasteners, such as a connection secured by screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
Claims
1. A handle assembly, characterized in that, include: N handles are arranged sequentially along a first direction, where N is an integer greater than or equal to 2; the first direction is parallel to the rotation axis of the handles. At least one of the handles is provided with a groove and a latch on at least one side along the first direction; A handle sleeve has an open receiving space, with one end of N handles located within the receiving space; the inner wall of the handle sleeve is used for driving contact with the N handles; the handle sleeve is correspondingly provided with the other of the groove and the buckle, and the groove and the buckle are engaged at the opposite positions of the handle and the handle sleeve.
2. The handle assembly according to claim 1, characterized in that, The handles located at both ends of the first direction have grooves on both sides along the first direction; the handle sleeves have buckles corresponding to both ends along the first direction.
3. The handle assembly according to claim 2, characterized in that, The accommodating space is provided with N-1 partition plates, which are used to divide the accommodating space into N partition spaces. The N partition spaces are arranged sequentially along the first direction. The N partition spaces correspond one-to-one with the N handles.
4. The handle assembly according to claim 3, characterized in that, The isolation plate used to form the isolation space located at both ends of the first direction is provided with protrusions, which cooperate with the corresponding grooves.
5. The handle assembly according to claim 3, characterized in that, A first limiting part is provided in the isolation space located at both ends of the first direction, and the first limiting part is used to abut against the top of the corresponding handle.
6. The handle assembly according to claim 3, characterized in that, When N is greater than 2, a second limiting part is provided in the isolation space located in the middle, and the second limiting part abuts against the top of the corresponding handle.
7. The handle assembly according to claim 6, characterized in that, The second limiting part abuts against the corner position corresponding to the handle.
8. The handle assembly according to any one of claims 3-7, characterized in that, Along both ends of the first direction, the handle sleeve is provided with through holes; the through holes are connected to the isolation space located at the end of the first direction.
9. The handle assembly according to any one of claims 1-7, characterized in that, The outer surface of the handle sleeve is provided with anti-slip texture.
10. An N-pole circuit breaker, characterized in that, include: N circuit breaker bodies are arranged sequentially along a first direction; The handle assembly as described in any one of claims 1 to 9, wherein the handle assembly is disposed on N of the circuit breaker bodies; Rivets are used to pierce and rivet N circuit breaker bodies along the first direction.