A wiring structure and a contactor
By employing an elastic connection design for conductive components, coil terminals, elastic components, and wiring terminals, the problem of the coil terminals and wiring terminals in the contactor being susceptible to vibration is solved, thereby improving stability and reliability and reducing costs.
Patent Information
- Application Number
- CN202510154000.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2045-02-12
AI Technical Summary
The solder connection between the coil terminals and the wiring terminals in existing contactors is susceptible to impact and vibration, resulting in poor electrical connection stability and reliability.
The structure employs conductive components, coil terminals, elastic components, and wiring terminals. The elastic components provide elastic contact between the coil terminals and the first end, and the design of mounting holes on the wiring terminals achieves elastic connection, buffering and vibration reduction, and improves the stability and reliability of the electrical connection.
It effectively avoids poor contact caused by impact and vibration, improves the stability and reliability of electrical connection between coil terminals and wiring terminals, has a simple structure, is easy to process and assemble, and reduces costs.
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Figure CN119920652B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of contactors, in particular to a wiring structure and a contactor. BACKGROUND
[0002] One of the common devices in the field of contactor power is usually used to quickly cut off or turn on the current and the main loop or control circuit device. The contactor generally includes a coil, a static core, a moving core, a contact unit and other components or structures known in the art. The working principle is that the magnetic field generated by the coil power makes the static core produce electromagnetic attraction to attract the moving core, so that the moving core is attracted to approach and finally contact the static core to make the contact unit engage, and vice versa.
[0003] The coil terminal and the wiring terminal of the contactor in the prior art are generally connected by a wire across the space. When connected, soldering is required. Since the soldering is rigid connection, when the soldering position is impacted and vibrated, poor contact is easily caused, resulting in poor stability and reliability of electrical connection. SUMMARY
[0004] Therefore, the purpose of the present application is to overcome the deficiencies in the prior art, and to provide a wiring structure to solve the technical problem that the coil terminal and the wiring terminal of the contactor in the prior art are connected by a wire across the space, resulting in poor stability and reliability of electrical connection.
[0005] To solve the above technical problems, the present application provides:
[0006] A wiring structure, comprising:
[0007] A conductive part, comprising a connecting section, a first end and a second end, the connecting section is connected with the first end and the second end respectively;
[0008] A coil terminal, located at one end of the first end away from the second end, and spaced apart from the first end;
[0009] An elastic part, located between the coil terminal and the first end, and elastically abutting with the coil terminal and the first end respectively;
[0010] A wiring terminal, located at one end of the second end away from the first end, the wiring terminal is provided with a mounting hole matched with the second end, the second end at least partially passes through the mounting hole, and elastically abuts with the hole wall of the mounting hole.
[0011] In addition, the wiring structure according to the present application can also have the following additional technical features:
[0012] In some embodiments of the present application, the elastic member comprises a body portion and a bent portion, the body portion is connected with the bent portion, and an included angle is formed between the body portion and the bent portion, the body portion is fixedly connected with the coil terminal, and the bent portion elastically abuts against the first end.
[0013] In some embodiments of the present application, the included angle between the body portion and the bent portion is a, and 90°≤a≤145° is satisfied.
[0014] In some embodiments of the present application, the included angle between the body portion and the bent portion is a, and 95°≤a≤120° is satisfied.
[0015] In some embodiments of the present application, a mounting column is arranged on one side of the coil terminal close to the first end, the elastic member is sleeved on the mounting column, and elastically abuts against the coil terminal and the first end, respectively.
[0016] In some embodiments of the present application, a through slot is formed in the second end, the through slot extends from one end of the second end away from the first end to the connecting segment, so that the second end forms two elastic conductive portions arranged at intervals.
[0017] In some embodiments of the present application, a tooth-shaped protrusion abutting against the hole wall of the mounting hole is arranged on one side of the elastic conductive portion away from the through slot, and a plurality of tooth-shaped protrusions are arranged at intervals.
[0018] In some embodiments of the present application, the wiring structure further comprises a mounting seat, the mounting seat is provided with a mounting slot, the wiring terminal is arranged in the mounting slot, a through hole is formed in the slot wall of the mounting slot, the second end at least partially passes through the through hole and the mounting hole, one end of the second end away from the first end is provided with a first guide inclined surface, and the hole wall of the through hole is provided with a second guide inclined surface matched with the first guide inclined surface.
[0019] In some embodiments of the present application, the wiring structure further comprises a base and a top cover, the top cover is arranged on the base, a protruding portion is arranged on one side of the base close to the top cover, a groove matched with the protruding portion is formed in one side of the top cover close to the base, a first avoiding hole penetrating through the protruding portion is formed in the base, a second avoiding hole is formed in the slot wall of the groove, and one end of the connecting segment away from the second end sequentially passes through the first avoiding hole and the second avoiding hole and is connected with the first end.
[0020] In the second aspect, the present application further provides a contactor comprising the wiring structure in any of the above embodiments.
[0021] The beneficial effects of the present application are:
[0022] The present application provides a wiring structure, which comprises a conductive piece, a coil terminal, an elastic piece and a wiring terminal. The conductive piece comprises a connecting section, a first end and a second end. The connecting section is connected with the first end and the second end respectively. The coil terminal is located at one end of the first end away from the second end and is arranged at a distance from the first end. The elastic piece is arranged between the coil terminal and the first end and elastically abuts against the coil terminal and the first end respectively, so that the coil terminal is electrically connected with the first end through the elastic piece and can play a role of buffering and damping under the elastic action of the elastic piece, avoiding poor contact caused by impact vibration, effectively improving the stability and reliability of the electrical connection between the coil terminal and the first end.
[0023] The wiring terminal is located at one end of the second end away from the first end. An installation hole matched with the second end is formed on the wiring terminal. The second end is at least partially inserted through the installation hole and elastically abuts against the hole wall of the installation hole, so that the wiring terminal is electrically connected with the second end and can play a role of buffering and damping under the elastic abutment of the second end against the hole wall of the installation hole, avoiding poor contact caused by impact vibration, effectively improving the stability and reliability of the electrical connection between the wiring terminal and the second end. The wiring structure provided by the present application effectively improves the stability and reliability of the electrical connection between the conductive piece and the coil terminal and the wiring terminal, and has the advantages of simple structure, easy processing and assembly and cost reduction. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0025] Figure 1 The wiring structure in some embodiments of the present application is shown in a three-dimensional schematic view Figure 1 ;
[0026] Figure 2 The wiring structure in some embodiments of the present application is shown in an exploded schematic view Figure 1 ;
[0027] Figure 3 The wiring structure in some embodiments of the present application is shown in a three-dimensional schematic view Figure 2 ;
[0028] Figure 4 The wiring structure in some embodiments of the present application is shown in an exploded schematic view Figure 2 ;
[0029] Figure 5 Fig. 1 shows a perspective view of a wiring structure in some embodiments of the present application Figure 3
[0030] Figure 6 Fig. 2 shows an exploded view of a wiring structure in some embodiments of the present application Figure 3
[0031] Figure 7 Fig. 3 shows an exploded view of a wiring structure in some embodiments of the present application Figure 4
[0032] Figure 8 Fig. 4 shows a perspective view of a contactor in some embodiments of the present application.
[0033] Main element symbol explanation:
[0034] 100 - wiring structure
[0035] 110 - conductive piece; 111 - connecting section; 112 - first end; 113 - second end; 1131 - through slot; 1132 - elastic conductive part; 11321 - tooth-shaped protrusion; 1133 - first guide inclined surface
[0036] 120 - coil terminal; 121 - mounting post
[0037] 130 - elastic piece; 131 - body part; 132 - bent part
[0038] 140 - wiring terminal; 141 - mounting hole
[0039] 150 - mounting seat; 151 - mounting groove; 152 - through hole; 1521 - second guide inclined surface
[0040] 160 - base; 161 - protrusion part; 162 - first avoiding hole
[0041] 170 - top cover; 171 - groove; 172 - second avoiding hole
[0042] 1000 - contactor DETAILED DESCRIPTION
[0043] Embodiments of the present application are described in detail below with reference to the attached drawings, wherein the same or like reference numerals are used to represent the same or similar elements throughout the several views. The embodiments described below are examples of the present application, which are only used to explain the present application and cannot be understood as limiting the present application.
[0044] In the description of the application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.
[0045] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0046] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0047] In this application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0048] As shown in Figure 1 and Figure 3 The embodiment of the application provides a wiring structure 100, which is mainly applied to a contactor 1000. The wiring structure 100 comprises a conductive piece 110, a coil terminal 120, an elastic piece 130 and a wiring terminal 140.
[0049] The conductive piece 110 includes a connecting section 111, a first end 112 and a second end 113, and the connecting section 111 is connected with the first end 112 and the second end 113 respectively. The coil terminal 120 is located at one end of the first end 112 away from the second end 113, and is arranged in a spaced manner with the first end 112. The elastic piece 130 is located between the coil terminal 120 and the first end 112, and elastically abuts against the coil terminal 120 and the first end 112 respectively.
[0050] The wiring terminal 140 is located at one end of the second end 113 away from the first end 112, and the wiring terminal 140 is provided with a mounting hole 141 matched with the second end 113, and the second end 113 at least partially penetrates through the mounting hole 141 and elastically abuts against the hole wall of the mounting hole 141.
[0051] The wiring structure 100 provided by the embodiment of the application includes a conductive piece 110, a coil terminal 120, an elastic piece 130 and a wiring terminal 140. The conductive piece 110 includes a connecting section 111, a first end 112 and a second end 113, and the connecting section 111 is connected with the first end 112 and the second end 113 respectively. The coil terminal 120 is located at one end of the first end 112 away from the second end 113, and is arranged in a spaced manner with the first end 112. The elastic piece 130 is located between the coil terminal 120 and the first end 112, and elastically abuts against the coil terminal 120 and the first end 112 respectively. The coil terminal 120 is electrically connected with the first end 112 through the elastic piece 130, and can play a role of buffering and damping under the elastic action of the elastic piece 130, so as to avoid poor contact caused by impact vibration, and effectively improve the stability and reliability of the electrical connection between the coil terminal 120 and the first end 112.
[0052] The wiring terminal 140 is located at one end of the second end 113 away from the first end 112, and the wiring terminal 140 is provided with a mounting hole 141 matched with the second end 113, and the second end 113 at least partially penetrates through the mounting hole 141 and elastically abuts against the hole wall of the mounting hole 141. The wiring terminal 140 is electrically connected with the second end 113, and can play a role of buffering and damping under the elastic abutment of the second end 113 and the hole wall of the mounting hole 141, so as to avoid poor contact caused by impact vibration, and effectively improve the stability and reliability of the electrical connection between the wiring terminal 140 and the second end 113.
[0053] The wiring structure 100 provided in the application effectively improves the stability and reliability of the electrical connection between the conductive part 110 and the coil terminal 120 and the wiring terminal 140, and has a simple structure, is easy to process and assemble, and is conducive to reducing costs. The technical problem of poor stability and reliability of electrical connection caused by the soldering connection of the coil terminal and the wiring terminal of the contactor through a wire across the space in the prior art is avoided.
[0054] As shown in Figure 1 and Figure 2 In one embodiment of the application, the elastic part 130 includes a body part 131 and a bent part 132, the body part 131 is connected with the bent part 132, and the body part 131 and the bent part 132 have an included angle therebetween, the body part 131 is tightly connected with the coil terminal 120, and the bent part 132 is elastically abutted with the first end 112.
[0055] In this embodiment, the elastic part 130 includes the body part 131 and the bent part 132 connected with each other, and the body part 131 and the bent part 132 have an included angle therebetween, so that the bent part 132 has elastic properties. The body part 131 is tightly connected with the coil terminal 120, so that the coil terminal 120 and the elastic part 130 are connected as a whole, realizing stable electrical connection therebetween. At the same time, the bent part 132 is elastically abutted with the first end 112, so that the coil terminal 120 and the elastic part 130 are elastically abutted with the first end 112 as a whole, thereby being able to play a role of buffering and damping under the elastic action of the bent part 132, avoiding poor contact caused by impact and vibration, and effectively improving the stability and reliability of the electrical connection between the coil terminal 120 and the first end 112.
[0056] For example, the body part 131 and the coil terminal 120 can be tightly connected by riveting, and the body part 131 and the bent part 132 can be integrally formed by stamping a copper material.
[0057] In the above embodiment of the application, the included angle between the body part 131 and the bent part 132 is a, and satisfies: 90°≤a≤145°.
[0058] In this embodiment, the included angle a between the body part 131 and the bent part 132 is controlled to be between 90° and 145°, so that the bent part 132 has good elastic properties, thereby being conducive to improving the buffering and damping effect, and further being conducive to improving the stability and reliability of the electrical connection between the coil terminal 120 and the first end 112.
[0059] Exemplarily, the included angle a between the body part 131 and the bending part 132 can be 90°, 95°, 100°, 105°, 110°, 115°, 120°, 130°, 140°, 145°, etc., and can be designed according to actual requirements of the product.
[0060] Preferably, the included angle a between the body part 131 and the bending part 132 is between 95° and 120°.
[0061] As shown in Figure 3 and Figure 4 In one embodiment of the present application, the coil terminal 120 is provided with a mounting column 121 protruding from a side close to the first end 112, the elastic member 130 is sleeved on the mounting column 121, and the elastic member 130 is in elastic abutment with the coil terminal 120 and the first end 112, respectively.
[0062] In the embodiment, the coil terminal 120 is electrically connected with the first end 112 through the elastic member 130, and can play a role of buffering and damping under the elastic action of the elastic member 130, so as to avoid poor contact caused by impact vibration and effectively improve the stability and reliability of the electrical connection between the coil terminal 120 and the first end 112.
[0063] Exemplarily, the elastic member 130 can be a cylindrical spring.
[0064] As shown in Figure 2 and Figure 4 In one embodiment of the present application, the second end 113 is provided with a through slot 1131 extending from an end of the second end 113 away from the first end 112 to the connecting segment 111, so that the second end 113 forms two elastic conductive parts 1132 arranged at intervals.
[0065] In the embodiment, the through slot 1131 extending from an end of the second end 113 away from the first end 112 to the connecting segment 111 is formed in the second end 113, so that the second end 113 forms two elastic conductive parts 1132 arranged at intervals, so that both of the two elastic conductive parts 1132 have elastic properties, and the elastic conductive parts 1132 are in stable abutment with the hole wall of the mounting hole 141 under the elastic force, thereby avoiding poor contact caused by impact vibration and effectively improving the stability and reliability of the electrical connection between the wiring terminal 140 and the second end 113.
[0066] As shown in Figure 2 and Figure 4As shown in the above embodiments of the present application, the elastic conductive part 1132 is provided with tooth-shaped protrusions 11321 abutting against the hole wall of the mounting hole 141 on the side away from the through slot 1131, and the tooth-shaped protrusions 11321 are provided in plurality and are arranged at intervals.
[0067] In the present embodiment, by arranging the tooth-shaped protrusions 11321 abutting against the hole wall of the mounting hole 141 on the side away from the through slot 1131, the contact area between the elastic conductive part 1132 and the hole wall of the mounting hole 141 is increased, and the friction therebetween is increased, thereby further improving the stability and reliability of the electrical connection between the wiring terminal 140 and the second end 113.
[0068] As shown in the above embodiments of the present application, Figure 4 and Figure 5 In any one of the above embodiments of the present application, the wiring structure 100 further comprises a mounting seat 150, the mounting seat 150 is provided with a mounting slot 151, the wiring terminal 140 is arranged in the mounting slot 151, the slot wall of the mounting slot 151 is provided with a through hole 152, the second end 113 at least partially passes through the through hole 152 and the mounting hole 141, the end of the second end 113 away from the first end 112 has a first guide inclined surface 1133, and the hole wall of the through hole 152 has a second guide inclined surface 1521 matched with the first guide inclined surface.
[0069] In the present embodiment, by arranging the wiring terminal 140 in the mounting slot 151 of the mounting seat 150, the wiring terminal 140 is stably mounted. By arranging the second end 113 at least partially passing through the through hole 152 and the mounting hole 141, the conductive part 110 is stably mounted on the mounting seat 150 and is stably electrically connected with the wiring terminal 140.
[0070] Meanwhile, by arranging the first guide inclined surface 1133 on the end of the second end 113 away from the first end 112, and arranging the second guide inclined surface 1521 matched with the first guide inclined surface on the hole wall of the through hole 152, the first guide inclined surface 1133 and the second guide inclined surface 1521 cooperate to guide the second end 113 to pass through the through hole 152 and the mounting hole 141 quickly and accurately.
[0071] As shown in the above embodiments of the present application, Figure 6 and Figure 7As shown, in any one of the above embodiments of the present application, the wiring structure 100 further comprises a base 160 and a top cover 170, the top cover 170 is arranged on the base 160, the base 160 is provided with a protruding portion 161 on the side close to the top cover 170, the top cover 170 is provided with a groove 171 on the side close to the base 160, the groove 171 is matched with the protruding portion 161, the base 160 is provided with a first avoiding hole 162 penetrating through the protruding portion 161, the groove wall of the groove 171 is provided with a second avoiding hole 172, and the connecting segment 111 is connected with the first end 112 by sequentially penetrating through the first avoiding hole 162 and the second avoiding hole 172 away from the second end 113.
[0072] In the embodiment, the protruding portion 161 and the groove 171 are arranged on the base 160 and the top cover 170 respectively, the first avoiding hole 162 and the second avoiding hole 172 are arranged on the base 160 and the groove wall of the groove 171 respectively, and the connecting segment 111 is connected with the first end 112 by sequentially penetrating through the first avoiding hole 162 and the second avoiding hole 172 away from the second end 113, so as to have a covering effect on the connecting segment 111, thereby avoiding the technical problem that the connecting segment 111 contacts with other components to cause short circuit.
[0073] As shown, Figure 8 The embodiment of the present application further provides a contactor 1000 comprising the wiring structure 100 described in the above embodiments.
[0074] The contactor 1000 has the wiring structure 100 in any one of the above embodiments, and thus has all the beneficial effects of the wiring structure 100, which will not be described here.
[0075] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.
[0076] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.
Claims
1. A wiring structure, characterized in that, include: The conductive element (110) includes a connecting segment (111), a first end (112), and a second end (113), wherein the connecting segment (111) is connected to the first end (112) and the second end (113) respectively; The coil terminal (120) is located at the end of the first end (112) away from the second end (113) and is spaced apart from the first end (112); An elastic element (130) is located between the coil terminal (120) and the first end (112), and elastically abuts against the coil terminal (120) and the first end (112) respectively; A terminal block (140) is located at the end of the second end (113) away from the first end (112). The terminal block (140) has a mounting hole (141) adapted to the second end (113). The second end (113) passes through the mounting hole (141) at least partially and elastically abuts against the wall of the mounting hole (141).
2. The wiring structure according to claim 1, characterized in that, The elastic element (130) includes a body portion (131) and a bending portion (132). The body portion (131) is connected to the bending portion (132), and there is an included angle between the body portion (131) and the bending portion (132). The body portion (131) is fastened to the coil terminal (120), and the bending portion (132) elastically abuts against the first end (112).
3. The wiring structure according to claim 2, characterized in that, The included angle between the main body (131) and the bent part (132) is α, which satisfies: 90°≤α≤145°.
4. The wiring structure according to claim 3, characterized in that, The included angle between the main body (131) and the bent part (132) is α, which satisfies: 95°≤a≤120°.
5. The wiring structure according to claim 1, characterized in that, The coil terminal (120) has a protruding mounting post (121) on the side near the first end (112), and the elastic member (130) is sleeved on the mounting post (121) and elastically abuts against the coil terminal (120) and the first end (112) respectively.
6. The wiring structure according to claim 1, characterized in that, The second end (113) has a through groove (1131) extending from the end of the second end (113) away from the first end (112) to the connecting section (111), so that the second end (113) forms two spaced elastic conductive parts (1132).
7. The wiring structure according to claim 6, characterized in that, The elastic conductive part (1132) is provided with a toothed protrusion (11321) on the side away from the through groove (1131) that abuts against the wall of the mounting hole (141). There are multiple toothed protrusions (11321) and the multiple toothed protrusions (11321) are spaced apart.
8. The wiring structure according to any one of claims 1 to 7, characterized in that, The wiring structure (100) further includes a mounting base (150), which has a mounting groove (151). The terminal block (140) is disposed in the mounting groove (151). The groove wall of the mounting groove (151) has a through hole (152). The second end (113) passes through at least part of the through hole (152) and the mounting hole (141). The end of the second end (113) away from the first end (112) has a first guide inclined surface (1133). The hole wall of the through hole (152) has a second guide inclined surface (1521) that is adapted to the first guide inclined surface.
9. The wiring structure according to any one of claims 1 to 7, characterized in that, The wiring structure (100) further includes a base (160) and a top cover (170). The top cover (170) is placed on the base (160). A protrusion (161) is provided on the side of the base (160) near the top cover (170). A groove (171) adapted to the protrusion (161) is provided on the side of the top cover (170) near the base (160). A first clearance hole (162) is provided on the base (160) through the protrusion (161). A second clearance hole (172) is provided on the groove wall of the groove (171). The end of the connecting segment (111) away from the second end (113) passes through the first clearance hole (162) and the second clearance hole (172) in sequence and connects to the first end (112).
10. A contactor, characterized in that, The wiring structure (100) includes any one of claims 1 to 9.
Citation Information
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Electromagnetic relay with improved coil terminal
CN112786371A
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CN205828285U