Door lamp switch
By setting the moving contact plate, static contact plate and operating lever on the second housing in the door light switch, and adopting the design of cover sealing and clamping connection, the problem of parts disengagement during assembly is solved, and the assembly pass rate is improved.
Patent Information
- Application Number
- CN202421485924.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-26
AI Technical Summary
During the assembly process of the door light switch, since the inside of the housing cannot be clearly seen, the elastic moving contact pad may deviate from its original position when the action button is installed, resulting in the door light switch being unqualified.
A door light switch is designed, in which the moving contact piece, the static contact piece and the operating lever are arranged on the second housing, and the installation groove is sealed by the cover to prevent the parts from falling out, and the stable assembly of the housing is achieved through the clamping connection.
Through this design, the internal parts are avoided from being disengaged during assembly, the assembly pass rate of door light switches is improved, and the assembly process is simplified.
Smart Images
Figure CN222762850U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of switches, and in particular to a door light switch. Background Art
[0002] The door light switch is a type of electrical switch used to control the door light.
[0003] A door light switch in the related art includes a housing, an elastic moving contact piece and a stationary contact piece are arranged in the housing, a button is rotatably connected to the housing, and a push rod is arranged in the housing. The elastic moving contact piece can abut against the stationary contact piece. The push rod is located on the rotation path of the button, and the elastic moving contact piece is located on the moving path of the push rod. During assembly, the elastic moving contact piece, the stationary contact piece and the push rod need to be installed in the housing, and finally the button is installed on the housing.
[0004] In the assembled door light switch, the elastic moving contact piece needs to contact the static contact piece, that is, the elastic moving contact piece will exert force on the static contact piece. During the assembly process, since the internal situation of the housing cannot be seen clearly, when the action button is installed in the housing, the spring of the elastic moving contact piece may cause the internal parts to be separated from the original position, resulting in a defective door light switch. Utility Model Content
[0005] In order to improve the qualified rate of door light switch production, the present application provides a door light switch.
[0006] The present application provides a door light switch, which adopts the following technical solution:
[0007] A door light switch comprises a first shell, a receiving groove is provided on one side of the first shell, a button which can extend out of the first shell is rotatably connected in the receiving groove, a second shell is passed through the receiving groove, a mounting groove is provided on the end surface of the second shell away from the button, a mounting groove is provided on the side of the second shell away from the bottom wall of the receiving groove, a cover body for blocking the mounting groove is provided on the side of the second shell away from the button, a mounting hole is provided on the bottom wall of the mounting groove, an operating rod is passed through the mounting hole, the operating rod is located on the rotation path of the button, a moving contact piece and a static contact piece are provided in the mounting groove, the moving contact piece is elastic, the moving contact piece can contact with the static contact piece, and the moving contact piece is used to apply a force to the operating rod to move toward the button.
[0008] By adopting the above technical solution, during assembly, the operating rod is first inserted into the mounting hole, the moving contact piece and the static contact piece are installed in the mounting groove, the cover body is connected to the second shell, and then the button is installed in the accommodating groove, and finally the second shell is inserted into the first shell to connect the two; the mounting groove is blocked by the cover body to prevent the parts in the mounting groove from falling out; since the moving contact piece, the static contact piece and the operating rod are set on the second shell, when the button, the first shell and the second shell are assembled subsequently, it can avoid the internal parts from being out of position, thereby improving the qualified rate of assembled door light switches.
[0009] Optionally, a limiting block located in the mounting groove is provided on the outer circumferential surface of the operating rod.
[0010] By adopting the above technical solution, when the limiting block contacts the bottom wall of the installation groove, the operating rod is restricted from further extending out of the installation hole, thereby playing a limiting role.
[0011] Optionally, an insert block is provided on the end surface of the cover body facing the second shell, and a plug hole for inserting the insert block is provided on the second shell.
[0012] By adopting the above technical solution, the plug block is inserted into the plug hole, so that the plug block is matched with the second shell body, and the cover body is connected and fixed to the second shell body.
[0013] Optionally, a locking structure connecting the first shell and the second shell is provided between the two, and the locking structure includes a card block provided on the side of the second shell, the card block is elastic, and the inner wall of the accommodating groove is provided with a card hole for inserting the card block.
[0014] By adopting the above technical solution, when the second shell is inserted into the receiving groove, the card block contacts the first shell, and the second shell is continued to be driven to be inserted into the receiving groove. The card block is deformed and enters the receiving groove. When the card block is aligned with the card hole, the card block is reset and inserted into the card hole, thereby realizing the connection between the first shell and the second shell.
[0015] Optionally, the block is provided with a chamfer.
[0016] By adopting the above technical solution and providing a chamfer, it is convenient to insert the card block into the receiving groove.
[0017] Optionally, a positioning block is provided on the side surface of the second shell, and a positioning groove for inserting the positioning block is formed on the inner wall of the accommodating groove.
[0018] By adopting the above technical solution, the positioning block is inserted into the positioning groove to play a positioning and guiding role, and when the second shell is inserted into the accommodating groove, the card block is smoothly inserted into the card block.
[0019] Optionally, a mounting spring is disposed on a side of the first shell, and a mounting block is disposed on a side of the first shell away from the mounting spring.
[0020] By adopting the above technical solution, when installing the door light switch into the installation opening of the refrigerator, the installation block and the installation spring both interfere with the refrigerator, wherein the installation spring is deformed. After the door light switch is installed in place, the installation spring is reset to prevent the door light switch from detaching from the installation opening of the refrigerator.
[0021] Optionally, the end surface of the mounting spring away from the shell and the end surface of the mounting block away from the shell are both provided with a plurality of convex strips.
[0022] By adopting the above technical solution, the adaptability of the door light switch can be improved, and it can be used with installation ports of different sizes on the refrigerator.
[0023] Optionally, a first pin is connected to a side surface of the movable contact piece, and a first groove for inserting the first pin is formed on the first housing.
[0024] Optionally, a first operating block is provided on the bottom wall of the first groove, and a first operating groove for inserting the first operating block is opened on the first pin.
[0025] By adopting the above technical solution, the first operating block is inserted into the first operating groove to limit the first pin, so that the first pin is not easy to move.
[0026] In summary, the present application includes at least one of the following beneficial technical effects:
[0027] 1. During assembly, first insert the operating rod into the mounting hole, install the moving contact piece and the stationary contact piece into the mounting groove, then connect the cover body to the second housing, then install the button into the receiving groove, and finally insert the second housing into the first housing to connect the two; the mounting groove is blocked by the cover body to prevent the parts in the mounting groove from falling out; since the moving contact piece, the stationary contact piece and the operating rod are set on the second housing, when the button, the first housing and the second housing are assembled later, the internal parts can be prevented from being out of position, thereby improving the qualified rate of assembled door light switches;
[0028] 2. The first shell and the second shell are connected by snap-fitting, which makes it easy to assemble or separate the two. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0030] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;
[0031] Figure 2 is an exploded view highlighting the relationship between the second housing, the moving contact piece and the stationary contact piece;
[0032] Figure 3 is a schematic diagram highlighting the structure of the first shell;
[0033] Figure 4 is along Figure 1 Sectional view along line AA;
[0034] Figure 5 It is an exploded view highlighting the connection relationship between the cover body and the second shell.
[0035] Figure numerals: 1, first shell; 11, accommodating groove; 12, accommodating hole; 13, clamping hole; 14, mounting block; 15, positioning groove; 16, mounting spring; 17, convex strip; 2, second shell; 21, mounting groove; 22, mounting hole; 23, first groove; 24, second groove; 25, first operating block; 26, second operating block; 27, positioning block; 28, jack; 3, cover; 31, plug-in block; 4, button; 5, moving contact piece; 51, first pin; 52, first operating groove; 6, static contact piece; 61, second pin; 62, through hole; 63, second operating groove; 7, operating rod; 71, limit block; 8, locking structure; 81, clamping block. DETAILED DESCRIPTION
[0036] The following is combined with Figure 1-5 This application is described in further detail.
[0037] This embodiment discloses a door light switch. Figure 1 and Figure 2 A door light switch includes a first shell 1, a second shell 2, a cover 3, a button 4, an operating rod 7, a moving contact piece 5 and a stationary contact piece 6.
[0038] Reference Figure 1 and Figure 3 A receiving groove 11 is formed at one end of the first housing 1 , and a receiving hole 12 is formed at the bottom wall of the receiving groove 11 . The button 4 is rotatably connected in the receiving groove 11 , and the button 4 passes through the receiving hole 12 and extends out of the first housing 1 .
[0039] Reference Figure 1 and Figure 3 , the two opposite inner walls of the first shell 1 are provided with a clamping hole 13. A mounting block 14 is fixedly connected to the end surface of the first shell 1 without the clamping hole 13. A through hole is provided on the end surface of the first shell 1 facing the mounting block 14, the through hole is connected to the receiving groove 11, and the through hole penetrates the first shell 1 in a direction away from the bottom wall of the receiving groove 11. A positioning groove 15 is provided on the inner wall of the first shell 1 away from the through hole, and the positioning groove 15 penetrates the first shell 1 in a direction away from the bottom wall of the receiving groove 11.
[0040] Reference Figure 1 and Figure 3 The end surface of the first housing 1 away from the mounting block 14 is fixedly connected with a mounting spring 16. The end surface of the mounting spring 16 away from the housing and the end surface of the mounting block 14 away from the housing are both fixedly connected with a plurality of convex strips 17.
[0041] Reference Figure 3 and Figure 4 The second housing 2 is inserted into the receiving groove 11 , and a portion of the second housing 2 is inserted into the through hole. A positioning block 27 is fixedly connected to one side of the second housing 2 , and the positioning block 27 can be inserted into the positioning groove 15 .
[0042] Reference Figure 1 and Figure 4 Two locking structures 8 are provided between the first housing 1 and the second housing 2 to connect the two, and the two locking structures 8 are symmetrically distributed. The locking structure 8 includes a card block 81, which is fixedly connected to the side of the second housing 2, and the card block 81 is elastic. A chamfer is provided on the card block 81, and the chamfer is provided at the intersection of the end face of the card block 81 away from the first housing 1 and the side of the card block 81 facing the button 4. The card block 81 can be inserted into the card hole 13.
[0043] Reference Figure 2 and Figure 5 The end surface of the second shell 2 away from the button 4 is provided with a mounting groove 21, and the bottom wall of the mounting groove 21 is provided with a mounting hole 22. The end surface of the second shell 2 away from the button 4 is provided with a first groove 23 and a second groove 24. The first groove 23 penetrates the second shell 2 in a direction away from the mounting spring sheet 16, and one end of the first groove 23 is connected to the mounting groove 21. The bottom wall of the first groove 23 is fixedly connected with a first operating block 25. The second groove 24 penetrates the second shell 2 in a direction away from the mounting spring sheet 16, and one end of the second groove 24 is connected to the mounting groove 21. The bottom wall of the second groove 24 is fixedly connected with a second operating block 26.
[0044] Reference Figure 2 and Figure 4 The outer circumferential surface of the operating rod 7 is fixedly connected to the limiting block 71. The operating rod 7 is inserted into the mounting hole 22, and the operating rod 7 can contact the bottom wall of the mounting groove 21.
[0045] Reference Figure 2 and Figure 4 The movable contact piece 5 is elastic, and a first pin 51 is fixedly connected to one side of the movable contact piece 5. The first pin 51 can be inserted into the first groove 23, and the movable contact piece 5 is located in the mounting groove 21. A first operating groove 52 is provided on the first pin 51, and the first operating groove 52 can be inserted into the first operating block 25.
[0046] Reference Figure 2 and Figure 4A second pin 61 is fixedly connected to one side of the stationary contact piece 6, and the second pin 61 can be inserted into the second groove 24. The stationary contact piece 6 is located in the mounting groove 21. A second operating groove 63 is provided on the second pin 61. The second operating groove 63 can be inserted into the second operating block 26. A through hole 62 is provided at one end of the stationary contact piece 6 facing the bottom wall of the mounting groove 21, and the through hole 62 can be passed through by the operating rod 7 and the limit block 71.
[0047] Reference Figure 4 and Figure 5 The movable contact piece 5 is located at a side of the stationary contact piece 6 away from the bottom wall of the installation groove 21, and the movable contact piece 5 can contact the stationary contact piece 6. The movable contact piece 5 is located on the moving path of the operating rod 7.
[0048] Reference Figure 4 and Figure 5 The cover 3 is arranged on the side of the second housing 2 away from the button 4, and two plug blocks 31 are fixedly connected to the end surface of the cover 3 facing the second housing 2. The end surface of the second housing 2 facing the cover 3 is provided with two insertion holes 28, and the insertion holes 28 can be inserted into the plug blocks 31.
[0049] Reference Figure 4 and Figure 5 Further, a spring is arranged in the accommodating groove 11, the spring is in a compressed state, one end of the spring abuts against the button, and the other end of the spring abuts against the second shell 2; or a spring is arranged in the mounting groove 21, the spring is in a compressed state, one end of the spring abuts against the cover body 3, and the other end of the spring abuts against the moving contact piece 5; or springs are arranged in both the accommodating groove 11 and the mounting groove 21.
[0050] The implementation principle of a door light switch in the embodiment of the present application is as follows: insert the operating rod 7 into the mounting hole 22, install the static contact piece 6 and the moving contact piece 5 into the mounting groove 21, assemble the cover body 3 with the second housing 2, then install the button 4 into the first housing 1, and assemble the second housing 2 with the first housing 1.
[0051] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0052] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present application should be included in the protection scope of the present application.
Claims
1. A door light switch, comprising a first housing (1), characterized in that: A receiving groove (11) is provided on one side of the first shell (1), a button (4) which is capable of extending out of the first shell (1) is rotatably connected in the receiving groove (11), a second shell (2) is inserted into the receiving groove (11), an end surface of the second shell (2) away from the button (4) is provided with a mounting groove (21), a side of the second shell (2) away from the bottom wall of the receiving groove (11) is provided with a mounting groove (21), and a side of the second shell (2) away from the button (4) is provided with a sealing member for sealing the receiving groove (21). A cover body (3) is provided with a mounting groove (21), a mounting hole (22) is provided on the bottom wall of the mounting groove (21), an operating rod (7) is passed through the mounting hole (22), the operating rod (7) is located on the rotation path of the button (4), a moving contact piece (5) and a stationary contact piece (6) are provided in the mounting groove (21), the moving contact piece (5) is elastic, the moving contact piece (5) can contact the stationary contact piece (6), and the moving contact piece (5) is used to apply a force to the operating rod (7) to move toward the button (4).
2. A door light switch according to claim 1, characterized in that: A limiting block (71) located in the mounting groove (21) is arranged on the outer circumferential surface of the operating rod (7).
3. A door light switch according to claim 1, characterized in that: An insert block (31) is provided on the end surface of the cover body (3) facing the second shell body (2), and a plug hole (28) for inserting the insert block (31) is provided on the second shell body (2).
4. A door light switch according to claim 1, characterized in that: A locking structure (8) is provided between the first shell (1) and the second shell (2) to connect the two. The locking structure (8) comprises a card block (81) provided on the side of the second shell (2). The card block (81) is elastic. The inner wall of the accommodating groove (11) is provided with a card hole (13) for inserting the card block (81).
5. A door light switch according to claim 4, characterized in that: The clamping block (81) is provided with a chamfer.
6. A door light switch according to claim 1, characterized in that: A positioning block (27) is provided on the side of the second shell (2), and a positioning groove (15) for inserting the positioning block (27) is provided on the inner wall of the accommodating groove (11).
7. A door light switch according to claim 1, characterized in that: A mounting spring sheet (16) is provided on the side of the first shell (1), and a mounting block (14) is provided on a side of the first shell (1) away from the mounting spring sheet (16).
8. A door light switch according to claim 7, characterized in that: The end surface of the mounting spring sheet (16) away from the shell and the end surface of the mounting block (14) away from the shell are both provided with a plurality of convex strips (17).
9. A door light switch according to claim 1, characterized in that: A first pin (51) is connected to the side surface of the movable contact piece (5), and a first groove (23) for inserting the first pin (51) is provided on the first housing (1).
10. A door light switch according to claim 9, characterized in that: A first operating block (25) is provided on the bottom wall of the first groove (23), and a first operating slot (52) for inserting the first operating block (25) is provided on the first pin (51).