Buffer assembly for contactor and contactor
By designing a combined buffer assembly of buffer blocks and thickened buffer pads in the contactor, the damage caused by collision between the static iron core and the base is solved, uniform buffering and noise reduction of the static iron core are achieved, and the use of the contactor is extended life.
Patent Information
- Application Number
- CN202421090606.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The collision between the static iron core and the base in the existing contactor causes damage. The existing buffering parts have uneven and insufficient buffering effects on the static iron core, which affects the service life of the contactor.
Design a buffer assembly, including a buffer block and a buffer pad, the buffer block is located in the middle of the static iron core, the two ends of the cushion are thickened and placed on both sides of the cushion block, and the buffer pad and the cushion block jointly face the static from multiple positions. The iron core is buffered, reducing noise and improving installation position and extending the service life of the contactor.
By evenly increasing the buffering force of the static iron core, it reduces noise and extends the service life of the contactor, and avoids tilting and damage to the static iron core.
Smart Images
Figure CN222320122U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of contactors, and in particular to a buffer assembly for a contactor and a contactor. Background Art
[0002] When the contactor is in use, the coil inside the contactor is energized to attract the moving iron core and the stationary iron core to close the contactor.
[0003] At the moment of contactor closure, due to the large force, the static iron core will collide with the contactor base. Frequent collisions can easily damage the static iron core and other components in the contactor, affecting the normal use of the contactor. In the prior art, a buffer is arranged between the static iron core and the base to buffer the static iron core, thereby increasing the service life of the contactor.
[0004] However, the existing buffer components have problems such as small buffer deformation and uneven buffering effect on the static iron core. Utility Model Content
[0005] The purpose of the present application is to provide a buffer assembly for a contactor and a contactor, which can improve the buffering effect on a static iron core.
[0006] In the first aspect, an embodiment of the present application provides a buffer assembly for a contactor, which is arranged on a base, a static iron core is arranged on the base, and the buffer assembly is partially located between the static iron core and the base, and the buffer assembly includes a buffer block and a buffer pad. The buffer block is connected to the static iron core, the buffer block is located in the middle of the static iron core, and the buffer block can buffer between the static iron core and the base. The buffer pad is located between the static iron core and the base, and both ends of the buffer pad are thickened, and the two thickened parts are respectively located on both sides of the buffer block.
[0007] The buffer block and the buffer pad both buffer the static iron core. Specifically, the buffer block is arranged in the middle of the static iron core so that the buffer block buffers the middle of the static iron core. At the same time, the two ends of the buffer pad are thickened, and the two thickened parts are arranged on both sides of the relative buffer block. The thickened part of the buffer pad can abut the static iron core together with the buffer block, so that the buffer assembly can buffer the static iron core from multiple positions, effectively improving the uniformity of the buffering force on the static iron core, so as to improve the buffering effect on the static iron core.
[0008] Furthermore, after the buffer assembly is assembled between the static iron core and the base, the thickened portion of the buffer pad and the buffer block directly abut the bottom surface of the static iron core toward the base. This arrangement can reduce the noise of the contactor through the buffer pad and the buffer block. Moreover, the thickened portion of the buffer pad can raise the installation position of the static iron core, indirectly reducing the impact of the opening distance and overtravel of the contactor, thereby extending the service life of the contactor.
[0009] In a possible design, the buffer pad includes a first thickened portion, a connecting section and a second thickened portion, and the thickness of the first thickened portion and the second thickened portion are both greater than the thickness of the connecting section. The first thickened portion and the second thickened portion are located at opposite ends of the connecting section, and the first thickened portion and the second thickened portion can abut against the static iron core.
[0010] Based on the above-mentioned embodiments of the present application, the first thickened portion and the second thickened portion on the buffer pad have the same structure and thickness, and the first thickened portion and the second thickened portion are arranged at opposite ends of the connecting section, which can correspond to the two ends of the buffering static iron core to improve the buffering effect on the static iron core. At the same time, the thickened buffer pads at both ends can keep the two ends of the static iron core level at all times, which is conducive to extending the service life of the static iron core.
[0011] In a possible design, a width of at least one of the first thickened portion and the second thickened portion is greater than a width of the connecting section.
[0012] Based on the above-mentioned embodiments of the present application, widening the first thickened portion and the second thickened portion can increase the contact area between the buffer pad and the static iron core, which is beneficial to improving the buffering effect of the buffer pad on the static iron core. On the other hand, it is also beneficial to keep the static iron core in a horizontal state as a whole, avoid tilting of the static iron core, improve the stability of the static iron core, and thus help to extend the service life of the contactor.
[0013] In a possible design, at least one buffer boss is provided on the connecting section, and the buffer boss is located on a side of the connecting section facing the static iron core.
[0014] Based on the above-mentioned embodiments of the present application, a buffer boss is arranged on the connecting section to provide further support and buffering for the portion of the static iron core close to the buffer pad connecting section, so as to cooperate with the first thickened portion and the second thickened portion at both ends of the connecting section to form multiple thickened buffer positions on the buffer pad, thereby improving the buffering effect on the static iron core.
[0015] In a possible design, the buffer boss is located in the middle of the connecting section.
[0016] Based on the above-mentioned embodiments of the present application, the buffer boss is arranged in the middle position of the connecting section to correspond to the middle position of the static iron core. The buffer boss arranged at this position can cooperate with the first thickened portion and the second thickened portion to achieve buffering of the static iron core from three positions, thereby improving the buffering effect of the buffer pad.
[0017] In a possible design, the top surface of the buffer boss is flush with the top surface of the first thickened portion and / or the top surface of the buffer boss is flush with the top surface of the second thickened portion.
[0018] Based on the above-mentioned embodiments of the present application, the top surface of the buffer boss is flush with the top surface of the first thickened portion, that is, the height of the buffer boss protruding from the connecting section is the same as the height of the first thickened portion above the connecting section. This allows the buffer boss to abut the static iron core at the same time as the first thickened portion, which is beneficial to improving the buffering effect of the first buffering stage.
[0019] In a possible design, a hollow hole is provided on the connecting section, and at least one hollow hole is provided.
[0020] Based on the above-mentioned embodiments of the present application, the hollow holes on the connecting section are mainly used for heat dissipation of the static iron core, preventing the static iron core from being damaged due to heat concentration at the contact point between the static iron core and the buffer pad, thereby improving the use stability of the static iron core and extending the service life of the static iron core, which is beneficial to improving the use stability of the contactor.
[0021] In a possible design, two buffer bosses are further provided on the connecting section, and the two buffer bosses are respectively located on two sides of the hollow hole.
[0022] Based on the above-mentioned embodiments of the present application, two buffer bosses are arranged on both sides of the hollow hole, which not only facilitates the buffer bosses to support and buffer the static iron core, but also can separate the static iron core and the connecting section so as to dissipate heat from the static iron core through the hollow hole.
[0023] In a possible design, the buffer block includes a first buffer block and a second buffer block, the first buffer block and the second buffer block are relatively arranged on both sides of the static iron core, a latch member is connected between the first buffer block and the second buffer block, and the latch member is passed through the center position of the bottom of the static iron core.
[0024] Based on the above-mentioned embodiments of the present application, by dividing the buffer block into a first buffer block and a second buffer block, and arranging the first buffer block and the second buffer block relatively on both sides of the static iron core, and then buffering the static iron core through a latch part, such an arrangement can provide a larger buffer margin for the static iron core and is conducive to reducing space occupancy.
[0025] In a second aspect, an embodiment of the present application further provides a contactor, comprising a base, a static iron core and the above-mentioned buffer assembly for the contactor, wherein the static iron core is arranged on the base, and the buffer assembly is partially located between the static iron core and the base.
[0026] Based on the above-mentioned embodiments of the present application, the contactor with the above-mentioned buffer assembly can effectively improve the buffering effect on the static iron core. Among them, the buffer block and buffer pad in the buffer assembly can jointly buffer the static iron core, and the buffer block acts on the middle of the static iron core, and the buffer pad acts on the middle of the static iron core and the two sides relative to the middle of the static iron core at the same time. With such a setting form and matching method, the buffer assembly can buffer the static iron core from multiple positions of the static iron core, making the buffering force on the static iron core more uniform, thereby avoiding the situation where part of the static iron core is not buffered in place. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0028] Figure 1 This is a schematic diagram of the structure of the contactor base after assembly provided in an embodiment of the present application.
[0029] Figure 2 An exploded view of the contactor base portion provided for an embodiment of the present application.
[0030] Figure 3 This is a perspective of a contactor provided in an embodiment of the present application.
[0031] Figure 4 Provided in the embodiments of this application Figure 3 Cross-sectional view at point A in the middle.
[0032] Figure 5 A schematic diagram of the structure of the buffer pad provided in an embodiment of the present application.
[0033] Figure 6 A schematic diagram of the structure of the static iron core and the buffer assembly after assembly provided in an embodiment of the present application.
[0034] Figure 7 An exploded diagram of the static iron core and the buffer assembly provided in an embodiment of the present application.
[0035] Figure 8 A schematic diagram of the structure of the base provided in an embodiment of the present application.
[0036] Description of reference numerals:
[0037] 1-base; 11-positioning groove; 12-fixing groove; 121-convex edge; 2-static iron core; 3-buffer block; 31-first buffer block; 32-second buffer block; 33-latch piece; 4-buffer pad; 41-first thickened portion; 42-connecting section; 43-second thickened portion; 44-buffer boss; 45-hollow hole. DETAILED DESCRIPTION
[0038] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0039] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0041] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0042] In the description of this application, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0043] The contactor is usually equipped with a coil, a moving iron core and a stationary iron core. When the coil is energized, the current flowing through the coil generates a magnetic field, which attracts the moving iron core to move toward the stationary iron core, closes the contacts, and thus connects the circuit. When the coil is de-energized, the magnetic field disappears, the moving iron core is reset by the spring, the contacts are disconnected, and the circuit is cut off. Among them, when the moving iron core is attracted to the stationary iron core, the force acting on it is large, which will cause the stationary iron core to collide with the contactor base. Frequent collisions will cause damage to the stationary iron core and may also cause failures in other components in the contactor, affecting the service life of the contactor.
[0044] The prior art provides a buffer between the static iron core and the base, and uses the buffer to buffer the static iron core, so as to reduce or even prevent the collision between the static iron core and the base. However, the buffers in many contactors on the market only include buffer blocks, which cannot ensure that the static iron core remains horizontal at the moment of contactor closure. Moreover, relying solely on the buffer blocks for buffering may lead to the situation that the buffer blocks fail and cannot buffer. In addition, the buffers in some contactors include both buffer blocks and buffer pads, but the buffer pads are a whole piece of the same thickness, which not only has little improvement on the buffering effect, but also affects the heat dissipation of the static iron core, which is not conducive to improving the service life of the static iron core.
[0045] Based on this, the embodiments of the present application provide a buffer assembly for a contactor and a contactor, which can make the static iron core receive a uniform buffer force to improve the buffering effect on the static iron core.
[0046] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.
[0047] Please refer to Figure 1 and Figure 2 This embodiment provides a buffer assembly for a contactor, which is arranged on a base 1, a static iron core 2 is arranged on the base 1, and the buffer assembly is partially located between the static iron core 2 and the base 1. The buffer assembly includes a buffer block 3 and a buffer pad 4. The buffer block 3 is connected to the static iron core 2, and the buffer block 3 is located in the middle of the static iron core 2. The buffer block 3 can buffer between the static iron core 2 and the base 1. The buffer pad 4 is located between the static iron core 2 and the base 1, and both ends of the buffer pad 4 are thickened, and the two thickened parts are respectively located on both sides of the buffer block 3.
[0048] In the contactor, the static iron core 2 is usually arranged on the base 1, and the static iron core 2 can be attracted to the moving iron core in the contactor. At the moment of attraction, the static iron core 2 will be subjected to a large thrust, which makes it easy for the static iron core 2 to collide with the base 1. The buffer component can separate the static iron core 2 from the base 1, and can play a buffering role when the static iron core 2 is offset by force, so as to prevent the static iron core 2 from colliding with the base 1.
[0049] Reference Figure 2The buffer assembly is divided into two parts: a buffer block 3 and a buffer pad 4. The buffer block 3 and the buffer pad 4 are arranged between the static iron core 2 and the base 1, and can buffer the static iron core 2 in sections. For example, when the static iron core 2 is forced to approach the base 1, the buffer block 3 first buffers the static iron core 2. After buffering a certain distance, the static iron core 2 contacts the buffer pad 4, and the buffer pad 4 then buffers the static iron core 2. It can also buffer the static iron core 2 at the same time. For example, the positions of the buffer block 3 and the buffer pad 4 are adjusted so that the buffer block 3 and the buffer pad 4 can contact the static iron core 2 at the same time and buffer the static iron core 2.
[0050] This embodiment adopts the latter setting form, that is, the buffer block 3 and the buffer pad 4 simultaneously play a buffering role on the static iron core 2. Specifically, the buffer block 3 is set in the middle of the static iron core 2, so that the buffer block 3 plays a buffering role on the middle of the static iron core 2. At the same time, the two ends of the buffer pad 4 are thickened, and the two thickened parts are set on the opposite sides of the buffer block 3. The thickened part of the buffer pad 4 can abut the static iron core 2 together with the buffer block 3, so that the buffer assembly can buffer the static iron core 2 from multiple positions, effectively improving the uniformity of the buffering force on the static iron core 2, so as to improve the buffering effect on the static iron core 2.
[0051] Further, refer to Figure 3 and Figure 4 After the buffer assembly is assembled between the static iron core 2 and the base 1, the thickened part of the buffer pad 4 and the buffer block 3 directly abut the bottom surface of the static iron core 2 facing the base 1. This arrangement can reduce the noise of the contactor through the buffer pad 4 and the buffer block 3. Moreover, the thickened part of the buffer pad 4 can raise the installation position of the static iron core 2, indirectly reducing the influence of the opening distance and overtravel of the contactor, thereby extending the service life of the contactor.
[0052] In some embodiments, reference Figure 5 and Figure 6 The buffer pad 4 includes a first thickened portion 41, a connecting section 42 and a second thickened portion 43. The thickness of the first thickened portion 41 and the second thickened portion 43 are both greater than the thickness of the connecting section 42. The first thickened portion 41 and the second thickened portion 43 are located at opposite ends of the connecting section 42, and the first thickened portion 41 and the second thickened portion 43 can abut against the static iron core 2.
[0053] Based on the above-mentioned embodiments of the present application, the first thickened portion 41 and the second thickened portion 43 on the buffer pad 4 have the same structure and thickness, and the first thickened portion 41 and the second thickened portion 43 are arranged at opposite ends of the connecting section 42, which can correspond to the two ends of the buffering stationary iron core 2 to improve the buffering effect on the stationary iron core 2. At the same time, the buffer pad 4 with thickened ends can keep the two ends of the stationary iron core 2 level at all times, which is conducive to improving the stability of the attraction between the stationary iron core and the moving iron core, and extending the service life of the stationary iron core 2.
[0054] The arrangement of the first thickened portion 41 and the second thickened portion 43 enables the buffer pad 4 to have two buffering stages, specifically, in the first buffering stage, the first thickened portion 41 and the second thickened portion 43 simultaneously abut against the static iron core 2 and apply a buffering force to the static iron core 2, and when the buffering margins of the first thickened portion 41 and the second thickened portion 43 are exhausted, the static iron core 2 and the buffer pad 4 enter the second buffering stage. In the second buffering stage, the static iron core 2 contacts the connecting section 42, and the connecting section 42 continues to buffer the static iron core 2. Through these two buffering stages, the buffering distance of the static iron core 2 can be effectively increased, thereby increasing the buffering effect of the buffer assembly on the static iron core 2.
[0055] In an optional embodiment, the connecting section 42 may also be thickened, and the thickness of the thickened connecting section 42 may be less than or equal to the thickness of the first thickened portion 41 or the second thickened portion 43. This can increase the contact area between the buffer pad 4 and the static iron core 2. In the first buffering stage, the static iron core 2 is buffered by the buffer pad 4 as a whole, thereby further improving the buffering effect of the buffer pad 4.
[0056] Furthermore, the buffer pad 4 in the present application takes the rubber buffer pad 4 as an example, and can also be selected to be set as other similar buffer pads 4 such as foam plastic buffer pad 4 or air cushion buffer pad 4. The buffer pads 4 made of the above-mentioned materials have good shock absorption and wear resistance, and can be selected according to the specific use of the contactor.
[0057] In some embodiments, reference Figure 5 and Figure 6 , a width of at least one of the first thickened portion 41 and the second thickened portion 43 is greater than a width of the connecting section 42 .
[0058] Based on the above-mentioned embodiment of the present application, widening the first thickened portion 41 and the second thickened portion 43 can increase the contact area between the buffer pad 4 and the static iron core 2, which is beneficial to improving the buffering effect of the buffer pad 4 on the static iron core 2. On the other hand, it is also beneficial to keep the static iron core 2 in a horizontal state as a whole, avoid tilting of the static iron core 2, improve the stability of the static iron core 2, and thus help to extend the service life of the contactor.
[0059] Specifically, refer to Figure 6, the first thickened portion 41 and the second thickened portion 43 are located at opposite ends of the connecting section 42, and the first thickened portion 41 can be widened in a direction perpendicular to the connecting section 42, and the widened width can be less than, equal to, or even greater than the width of the static iron core 2. When the widened width of the first thickened portion 41 is equal to the width of the static iron core 2, the first thickened portion 41 can better support the static iron core 2 and provide a buffering effect for the static iron core 2, and also has the advantage of small space occupation. Similarly, the second thickened portion 43 can be set to the same width as the first thickened portion 41, and has the same technical effect as the first thickened portion 41, which will not be repeated here.
[0060] In some embodiments, reference Figures 5 to 7 At least one buffer boss 44 is provided on the connecting section 42 , and the buffer boss 44 is located on a side of the connecting section 42 facing the static iron core 2 .
[0061] Based on the above-mentioned embodiments of the present application, a buffer boss 44 is provided on the connecting section 42 to further support and buffer the portion of the static iron core 2 close to the connecting section 42 of the buffer pad 4, so as to cooperate with the first thickened portion 41 and the second thickened portion 43 at both ends of the connecting section 42 to form multiple thickened buffer positions on the buffer pad 4, thereby improving the buffering effect on the static iron core 2.
[0062] Reference Figure 5 , wherein a plurality of buffer bosses 44 may be provided, and the plurality of buffer bosses 44 are arranged at intervals on the connecting section 42, and the plurality of buffer bosses 44 may play a buffering role together with the first thickened portion 41 and the second thickened portion 43 in the above-mentioned first buffering stage to enhance the buffering effect of the first buffering stage, thereby enhancing the possibility of completely buffering the static iron core 2 in the first buffering stage.
[0063] Further, refer to Figure 5 and Figure 7 The buffer boss 44 is located in the middle of the connecting section 42 .
[0064] Based on the above-mentioned embodiments of the present application, the buffer boss 44 is arranged at the middle position of the connecting section 42 to correspond to the middle position of the static iron core 2. The buffer boss 44 arranged at this position can cooperate with the first thickened portion 41 and the second thickened portion 43 to achieve buffering of the static iron core 2 from three positions, thereby improving the buffering effect of the buffer pad 4.
[0065] The cross-sectional shape of the buffer boss 44 can be set to a square or triangle shape, etc., as long as the contact surface between the buffer boss 44 and the static iron core 2 is stable. Maintaining a stable contact surface between the buffer boss 44 and the static iron core 2 is beneficial to improving the buffering effect on the static iron core 2.
[0066] In some embodiments, reference Figure 5 and Figure 7The top surface of the buffer boss 44 is flush with the top surface of the first thickened portion 41 . The top surface of the buffer boss 44 is flush with the top surface of the second thickened portion 43 .
[0067] Based on the above-mentioned embodiments of the present application, the top surface of the buffer boss 44 is flush with the top surface of the first thickened portion 41, that is, the height of the buffer boss 44 protruding from the connecting section 42 is the same as the height of the first thickened portion 41 above the connecting section 42. In this way, the buffer boss 44 can abut against the static iron core 2 at the same time as the first thickened portion 41, which is beneficial to improving the buffering effect of the first buffering stage.
[0068] Similarly, the top surface of the buffer boss 44 is flush with the top surface of the second thickened portion 43, that is, the height of the buffer boss 44 protruding from the connecting section 42 is the same as the height of the second thickened portion 43 above the connecting section 42, so that the buffer boss 44 can abut the static iron core 2 at the same time as the second thickened portion 43, which is also beneficial to improve the buffering effect of the first buffering stage.
[0069] In one embodiment, referring to Figure 5 The top surfaces of the buffer boss 44, the first thickened portion 41 and the second thickened portion 43 are all at the same height, so that the buffer boss 44, the first thickened portion 41 and the second thickened portion 43 can abut against the static iron core 2 at the same time and buffer the static iron core 2 at the same time, further improving the buffering effect of the first buffering stage between the buffer pad 4 and the static iron core 2.
[0070] Of course, the top surface of the buffer boss 44 can also be set to be lower than the top surface of the first thickened portion 41 and the top surface of the second thickened portion 43. This setting can divide the buffering stage of the buffer pad 4 on the static iron core 2 into three stages, that is, the first buffering stage is the first thickened portion 41 and the second thickened portion 43 buffering the static iron core 2. The second buffering stage is the first thickened portion 41, the second thickened portion 43 and the buffer boss 44 buffering the static iron core 2. The third buffering stage is the buffer pad 4 buffering the static iron core 2 as a whole. Under the action of these three buffering stages, the buffering effect on the static iron core 2 can be effectively improved, thereby avoiding collision between the static iron core 2 and the base 1, and increasing the stability of the static iron core 2.
[0071] In some embodiments, reference Figure 5 and Figure 6 A hollow hole 45 is provided on the connecting section 42, and at least one hollow hole 45 is provided.
[0072] Based on the above-mentioned embodiments of the present application, the hollow holes 45 on the connecting section 42 are mainly used for heat dissipation of the static iron core 2, preventing the static iron core 2 from being damaged due to heat concentration at the contact position between the static iron core 2 and the buffer pad 4, thereby improving the use stability of the static iron core 2 and extending the service life of the static iron core 2, which is beneficial to improving the use stability of the contactor.
[0073] There can be multiple hollow holes 45, which are arranged at intervals on the connecting section 42. The arrangement of multiple hollow holes 45 can increase the contact area between the bottom surface of the static iron core 2 and the buffer pad 4 and the air, thereby improving the heat dissipation efficiency of the bottom of the static iron core 2.
[0074] Reference Figure 5 The hollow hole 45 in the embodiment of the present application is a waist-shaped hole opened on the connecting section 42. The waist-shaped hole has a large cross-sectional area, which is conducive to heat dissipation. Of course, the shape of the hollow hole 45 can also be a circular hole or a square hole, etc., which can achieve heat dissipation of the static iron core 2. The present application does not further limit the shape and number of the hollow hole 45.
[0075] In some embodiments, reference Figure 5 and Figure 7 Two buffer bosses 44 are also provided on the connecting section 42 , and the two buffer bosses 44 are respectively located on both sides of the hollow hole 45 .
[0076] Based on the above-mentioned embodiments of the present application, two buffer bosses 44 are arranged on both sides of the hollow hole 45, which not only facilitates the buffer bosses 44 to support and buffer the static iron core 2, but also can separate the static iron core 2 and the connecting section 42 so as to dissipate heat for the static iron core 2 through the hollow hole 45.
[0077] Specifically, the buffer boss 44 and the hollow hole 45 are both arranged in the middle position of the connecting section 42, and the buffer boss 44 and the hollow hole 45 are arranged along the length direction of the connecting section 42. The hollow hole 45 is located at the center of the connecting section 42. The two buffer bosses 44 are respectively located on both sides of the hollow hole 45. The gap between the two buffer bosses 44 is connected to the hollow hole 45. The buffer pad 4 is arranged between the static iron core 2 and the base 1. The static iron core 2 simultaneously abuts against the top surfaces of the two buffer bosses 44 and the top surfaces of the first thickened portion 41 and the second thickened portion 43. At this time, the bottom surface of the static iron core 2 can be in contact with the air through the gap between the two buffer bosses 44 and the hollow hole 45 to achieve heat dissipation of the static iron core 2.
[0078] In some embodiments, reference Figure 7 The buffer block 3 includes a first buffer block 31 and a second buffer block 32. The first buffer block 31 and the second buffer block 32 are relatively arranged on both sides of the static iron core 2. A latch member 33 is connected between the first buffer block 31 and the second buffer block 32. The latch member 33 is penetrated in the center position of the bottom of the static iron core 2.
[0079] Based on the above-mentioned embodiments of the present application, by dividing the buffer block 3 into a first buffer block 31 and a second buffer block 32, and arranging the first buffer block 31 and the second buffer block 32 relatively on both sides of the static iron core 2, and then buffering the static iron core 2 through the latch member 33, such an arrangement can provide a larger buffer margin for the static iron core 2 and is beneficial to reducing space occupancy.
[0080] Among them, the buffer block 3 has a large buffer margin, but the volume of the buffer block 3 is large. Compared with the form of directly setting the buffer block 3 between the static iron core 2 and the base 1, setting the first buffer block 31 and the second buffer block 32 on both sides of the static iron core 2 can reduce the space occupied by the buffer component in the direction perpendicular to the base 1 of the contactor, which is beneficial to reducing the volume of the contactor. The latch member 33 is inserted into the static iron core 2, and the two ends of the latch member 33 are correspondingly connected to the first buffer block 31 and the second buffer block 32. After the static iron core 2 is subjected to the force, the force can be transmitted to the latch member 33. After the latch member 33 is subjected to the force, the two ends of the latch member 33 can apply the force to the buffer block 3, thereby achieving the effect of buffering the static iron core 2.
[0081] The present application also provides a contactor, referring to Figures 1 to 4 , including a base 1, a static iron core 2 and the above-mentioned buffer assembly for the contactor, the static iron core 2 is arranged on the base 1, and the buffer assembly part is located between the static iron core 2 and the base 1.
[0082] Based on the above-mentioned embodiments of the present application, the contactor with the above-mentioned buffer assembly can effectively improve the buffering effect on the static iron core 2. Among them, the buffer block 3 and the buffer pad 4 in the buffer assembly can jointly buffer the static iron core 2, and the buffer block 3 acts on the middle part of the static iron core 2, and the buffer pad 4 can act on the middle part and the opposite sides of the static iron core 2 at the same time. With this kind of setting form and matching method, the buffer assembly can abut against multiple positions of the static iron core 2 and buffer the static iron core 2, so that the buffering force on the static iron core 2 is more uniform, thereby avoiding the situation where part of the static iron core 2 is not buffered in place, causing the static iron core 2 to be unable to maintain a horizontal state, and ensuring that the moving iron core and the static iron core 2 can be stably attracted.
[0083] Reference Figure 8 The base 1 of the contactor has a receiving cavity, the static iron core 2 is installed in the receiving cavity, and the buffer assembly is installed in the receiving cavity and is located between the bottom wall of the receiving cavity and the static iron core 2. A positioning groove 11 for positioning the static iron core 2 and a fixing groove 12 for fixing the buffer block 3 are provided on the bottom wall of the receiving cavity.
[0084] Reference Figure 8There are two fixing grooves 12, which are separately arranged and located on opposite sides of the positioning groove 11, and the first buffer block 31 and the second buffer block 32 in the buffer block 3 are correspondingly installed in the two fixing grooves 12. The fixing groove 12 can fix the buffer block 3 to prevent the position of the buffer block 3 from shifting during the process of elastic deformation under pressure, so as to ensure that the buffer block 3 can maintain a stable buffering effect on the middle part of the static iron core 2.
[0085] Reference Figure 4 The buffer pad 4 and the static iron core 2 are installed in the positioning groove 11 together, and the buffer pad 4 is located between the static iron core 2 and the bottom of the positioning groove 11. The first thickened portion 41 and the second thickened portion 43 on the buffer pad 4 are located on both sides of the positioning groove 11 relative to the fixed groove 12. The buffer pad 4 is installed in the positioning groove 11. On the one hand, it is used to contact the static iron core 2 to buffer the static iron core 2. On the other hand, the buffer pad 4 can be limited by the positioning groove 11 to prevent the buffer pad 4 from shifting in position during elastic deformation under pressure, thereby ensuring that the buffer pad 4 can maintain a stable buffering effect on the static iron core 2.
[0086] Further, refer to Figure 8 A ridge 121 is provided at the bottom of the fixing groove 12. The setting of the ridge 121 is similar to the thickening of the buffer pad 4. The ridge 121 can raise the installation height of the buffer block 3, and cooperate with the thickened part of the buffer pad 4 to increase the buffer distance of the static iron core 2, which is beneficial to improve the buffering effect of the buffer assembly on the static iron core 2, and can also reduce the influence of the contactor opening distance and overtravel, so as to improve the use stability of the contactor.
[0087] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A buffer assembly for a contactor, arranged on a base, a static iron core is arranged on the base, and the buffer assembly is partially located between the static iron core and the base, characterized in that: The buffer assembly comprises: A buffer block is connected to the static iron core, the buffer block is located in the middle of the static iron core, and the buffer block can buffer between the static iron core and the base; The buffer pad is located between the static iron core and the base, and both ends of the buffer pad are thickened, and the two thickened parts are respectively located on both sides of the buffer block.
2. The buffer assembly for a contactor according to claim 1, characterized in that: The buffer pad comprises a first thickened portion, a connecting section and a second thickened portion, and the thickness of the first thickened portion and the second thickened portion are both greater than the thickness of the connecting section; The first thickened portion and the second thickened portion are located at two opposite ends of the connecting section, and the first thickened portion and the second thickened portion can abut against the static iron core.
3. The buffer assembly for a contactor according to claim 2, characterized in that: A width of at least one of the first thickened portion and the second thickened portion is greater than a width of the connecting section.
4. The buffer assembly for a contactor according to claim 2, characterized in that: At least one buffer boss is arranged on the connecting section, and the buffer boss is located on a side of the connecting section facing the static iron core.
5. The buffer assembly for a contactor according to claim 4, characterized in that: The buffer boss is located in the middle of the connecting section.
6. The buffer assembly for a contactor according to claim 4, characterized in that: The top surface of the buffer boss is flush with the top surface of the first thickened portion; and / or the top surface of the buffer boss is flush with the top surface of the second thickened portion.
7. The buffer assembly for a contactor according to claim 2, characterized in that: The connecting section is provided with a hollow hole, and at least one hollow hole is provided.
8. The buffer assembly for a contactor according to claim 7, characterized in that: Two buffer bosses are also arranged on the connecting section, and the two buffer bosses are respectively located on both sides of the hollow hole.
9. The buffer assembly for a contactor according to claim 1, characterized in that: The buffer block includes a first buffer block and a second buffer block, the first buffer block and the second buffer block are relatively arranged on both sides of the static iron core, a latch member is connected between the first buffer block and the second buffer block, and the latch member is penetrated at the center position of the bottom of the static iron core.
10. A contactor, characterized in that: The contactor comprises a base, a static iron core and a buffer assembly for a contactor as claimed in any one of claims 1 to 9, wherein the static iron core is arranged on the base, and the buffer assembly is partially located between the static iron core and the base.