Pressing structure of key switch
By designing a button switch structure that does not need to rely on the PCB board, the problem of high manufacturing costs and assembly inconvenience caused by the reliance on the PCB board of the handheld steam ironing machine button switch is solved, and the effect of lower cost and simpler installation is achieved.
Patent Information
- Application Number
- CN202421543363.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The button switches of existing handheld steam ironing machines rely on electronic PCB boards, resulting in high equipment manufacturing costs and inconvenient assembly.
A pressing structure of a button switch is designed, including a touch switch, a switch fixing bracket, a switch button and a decorative part. These components are fixed through the mounting groove and boss on the front housing of the handle to achieve the interconnection and disconnection of the switch.
This design does not require PCB boards, saving production and manufacturing costs, and improves installation ease through simple and secure fixing.
Smart Images
Figure CN222851300U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of garment steamers, and in particular to a pressing structure of a key switch used in garment steamers. Background Art
[0002] A hanging iron, also called a hanging iron or a vertical iron, is a machine that can hang clothes and fabrics for ironing. The hot steam generated by the hanging iron continuously contacts the clothes and fabrics to soften the fiber structure of the clothes and fabrics, and it smoothes the clothes and fabrics through the actions of "pulling", "pressing" and "spraying", making the clothes and fabrics as good as new.
[0003] Handheld garment steamers are favored by consumers due to their small size, convenient carrying when traveling, and flexible use. Existing handheld garment steamers usually use a key switch to control the steam spraying, and the key switch is welded on the electronic PCB control board, and the steam spraying and shutting off are controlled by pressing the touch switch on the control board. That is, the existing key switch depends on the PCB board, which increases the manufacturing cost of the equipment and is not convenient for assembly. Utility Model Content
[0004] The utility model aims to overcome the deficiencies of the prior art and to provide a pressing structure of a key switch, which has the advantages of compact structure, convenient pressing and flexible control.
[0005] The purpose of the utility model is achieved through the following technical scheme: the pressing structure of the key switch is installed on the handle, and the handle is formed by buckling the front shell of the handle and the rear shell of the handle. The pressing structure includes a touch switch, a switch fixing bracket, a switch button and a decorative piece. The outer wall of the front shell of the handle is provided with a mounting groove for fixing the decorative piece, and the switch button is slidably inserted into the decorative piece up and down; the back of the mounting groove forms a boss on the inner wall of the front shell of the handle, and the touch switch is fixed on the boss through the switch fixing bracket. The central column arranged at the center of the switch button passes through the boss and a gap is set with the touch switch. When the switch button is pressed, the central column contacts the contact of the touch switch, thereby realizing the connection and disconnection of the switch.
[0006] As a further technical solution, a second lock hole and a second positioning hole are opened on the outer edge of the installation groove, and both are connected with the surface of the boss. After the second lock tongue arranged on the decorative piece passes through the second lock hole, the decorative piece is locked on the boss, and the second positioning protrusion arranged on the decorative piece cooperates with the second positioning hole to position it.
[0007] As a further technical solution, a center hole is opened in the center of the installation groove, and a first lock hole and a first positioning hole are opened on the installation groove outside the center hole. The center hole, the first lock hole and the first positioning hole are all connected with the surface of the boss, so that the center column passes through the center hole, and the first positioning protrusion arranged on the switch button cooperates with the first positioning hole for positioning, and the first lock tongue arranged on the switch button passes through the first lock hole.
[0008] As a further technical solution, a screw hole is provided on the switch fixing bracket for inserting a screw column arranged on the boss, and the switch fixing bracket is locked and fixed on the boss with a fixing screw.
[0009] As a further technical solution, a positioning column is provided on the surface of the switch fixing bracket, and buckles are provided on both sides of the positioning column. After the touch switch is inserted into the positioning column, it is clamped by the buckles on both sides.
[0010] The beneficial effects of the utility model are:
[0011] 1. The micro switch is adopted, no longer relying on PCB board, which greatly saves production and manufacturing costs;
[0012] 2. The micro switch is fixed with the help of a switch fixing bracket, which is simpler, more secure and easy to install. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the handle in the utility model.
[0014] Figure 2 This is a schematic diagram of the main structure of the handle in the utility model.
[0015] Figure 3 for Figure 2 AA section view.
[0016] Figure 4 This is a schematic diagram of the front shell structure of the handle in the utility model Figure 1 (outer surface).
[0017] Figure 5 This is a schematic diagram of the front shell structure of the handle in the utility model Figure 2 (Inner surface).
[0018] Figure 6 It is a structural schematic diagram of the touch switch, the switch fixing bracket and the handle front shell after being fixed in the utility model.
[0019] Figure 7 It is a schematic diagram of the structure of the light touch switch, the switch fixing bracket and the switch button after being assembled in the utility model.
[0020] Figure 8It is a schematic diagram of the structural explosion of the touch switch, the switch fixing bracket and the switch button in the utility model.
[0021] Fig. 9 for Figure 7 Top view of the .
[0022] Fig.10 for Fig. 9 BB cross-sectional view.
[0023] Explanation of the accompanying drawings: handle front shell 1, mounting groove 11, first lock hole 111, first positioning hole 112, second lock hole 113, second positioning hole 114, center hole 115, boss 12, screw column 121, handle rear shell 2, touch switch 3, contact 31, switch fixing bracket 4, screw hole 41, positioning column 42, buckle 43, switch button 5, first lock tongue 51, first positioning protrusion 52, center column 53, decorative part 6, second lock tongue 61, second positioning protrusion 62, fixing screw 7. DETAILED DESCRIPTION
[0024] The utility model will be described in detail below with reference to the accompanying drawings:
[0025] Example: As shown in the attached Figures 1 to 10 As shown, the pressing structure of this push button switch includes a handle front shell 1, a mounting groove 11, a first locking hole 111, a first positioning hole 112, a second locking hole 113, a second positioning hole 114, a center hole 115, a boss 12, a screw column 121, a handle rear shell 2, a touch switch 3, a contact 31, a switch fixing bracket 4, a screw hole 41, a positioning column 42, a buckle 43, a switch button 5, a first locking tongue 51, a first positioning protrusion 52, a center column 53, a decorative piece 6, a second locking tongue 61, a second positioning protrusion 62 and a fixing screw 7.
[0026] Reference Figure 1 , 2 3. The handle is formed by buckling the handle front shell 1 and the handle rear shell 2. Figure 4 , 5 As shown in FIG. 6 , a circular mounting groove 11 is provided on the outer wall of the handle front shell 1. The mounting groove 11 is used to fix and install the decorative part 6. The switch button 5 is inserted into the decorative part 6. The switch button 5 can slide up and down relative to the decorative part 6 (mounting groove 11). The sliding is achieved by setting a spring between the mounting groove 11 and the inner wall of the switch button 5. A boss 12 is formed on the inner wall of the handle front shell 1 at the back of the mounting groove 11. A screw column 121 is provided on the boss 12. At the same time, a screw hole 41 is opened on the switch fixing bracket 4. After the screw hole 41 is inserted into the screw column 121, the switch fixing bracket 4 is locked and fixed on the boss 12 with a fixing screw 7. Figure 7 , 8As shown, two positioning columns 42 are provided on the surface of the switch fixing bracket 4, and buckles 43 are provided on both sides of the positioning columns 42. After the touch switch 3 is inserted into the positioning columns 42, it is clamped by the buckles 43 on both sides.
[0027] Preferably, if Figure 4 , 5 As shown, two second locking holes 113 and a second positioning hole 114 are opened on the outer edge of the installation groove 11, and both are connected with the surface of the boss 12. Correspondingly, two second locking tongues 61 and a second positioning protrusion 62 are set on the decorative piece 6. During assembly, the second locking tongue 61 passes through the second locking hole 113 to lock the decorative piece 6 on the boss 12 (installing groove 11), and at the same time, the second positioning protrusion 62 extends into the second positioning hole 114 to cooperate in positioning, thereby completing the fixation of the decorative piece 6. Furthermore, a center hole 115 is opened at the center of the mounting groove 11, and two first locking holes 111 and a first positioning hole 112 are opened on the mounting groove 11 outside the center hole 115. The center hole 115, the first locking hole 111 and the first positioning hole 112 are all connected with the surface of the boss 12, so that a center column 53 located at the center of the switch button 5 can pass through the center hole 115, and the first positioning protrusion 52 arranged on the switch button 5 cooperates with the first positioning hole 112 for positioning. At the same time, the first locking tongue 51 arranged on the switch button 5 passes through the first locking hole 111 to realize the limiting of the switch button 5.
[0028] like Fig. 9 , 10 As shown, after the center column 53 passes through the boss 12, a certain gap is set between the center column 53 and the contact 31 of the touch switch 3. When the switch button 5 is pressed, the center column 53 contacts the contact 31 of the touch switch 3, thereby triggering the touch switch 3 to achieve on-off control of the switch.
[0029] The working process of this utility model:
[0030] During assembly, install the touch switch 3 into the switch fixing bracket 4, use the positioning column 42 to position it, and lock the touch switch 3 with the buckles 43 on both sides and fix it. Then insert the combined touch switch 3 and the switch fixing bracket 4 into the screw column 121 of the handle front shell 1, and fix the switch fixing bracket 4 (screw hole 41) with the fixing screw 7. Install the switch button 5 and the decorative part 6 into the installation groove 11 of the handle front shell 1, and use the first locking tongue 51 and the second locking tongue 61 to lock and match, so that the switch button 5 can move freely up and down after being installed in the installation groove 11. When in use, press the switch button 5, and the central column 53 of the switch button 5 supports the touch switch 3 (contact 31) on the switch fixing bracket 4, thereby realizing the connection and disconnection of the switch.
[0031] It is understandable that, for those skilled in the art, any equivalent replacement or change to the technical solution and the concept of the utility model should fall within the protection scope of the claims attached to the utility model.
Claims
1. A pressing structure of a key switch, mounted on a handle, wherein the handle is formed by buckling a handle front shell (1) and a handle rear shell (2), characterized in that: The invention comprises a light touch switch (3), a switch fixing bracket (4), a switch button (5) and a decorative piece (6); a mounting groove (11) is provided on the outer wall of the handle front shell (1) for fixing the decorative piece (6); the switch button (5) is inserted into the decorative piece (6) in a sliding manner up and down; a boss (12) is formed on the inner wall of the handle front shell (1) at the back of the mounting groove (11); a light touch switch (3) is fixed on the boss (12) through the switch fixing bracket (4); a central column (53) arranged at the center of the switch button (5) passes through the boss (12) and a gap is set with the light touch switch (3); when the switch button (5) is pressed, the central column (53) contacts the contact (31) of the light touch switch (3), thereby realizing the connection and disconnection of the switch.
2. The pressing structure of a key switch according to claim 1, characterized in that: The outer edge of the mounting groove (11) is provided with a second locking hole (113) and a second positioning hole (114), both of which are connected with the surface of the boss (12); after the second locking tongue (61) provided on the decorative piece (6) passes through the second locking hole (113), the decorative piece (6) is locked on the boss (12), and the decorative piece (6) is positioned by cooperating with the second positioning hole (114) through the second positioning protrusion (62) provided on the decorative piece (6).
3. The pressing structure of a key switch according to claim 1, characterized in that: A center hole (115) is provided at the center of the installation groove (11), and a first locking hole (111) and a first positioning hole (112) are provided on the installation groove (11) outside the center hole (115). The center hole (115), the first locking hole (111) and the first positioning hole (112) are all connected to the surface of the boss (12), so that the center column (53) passes through the center hole (115), and the first positioning protrusion (52) provided on the switch button (5) cooperates with the first positioning hole (112) for positioning, and at the same time, the first locking tongue (51) provided on the switch button (5) passes through the first locking hole (111).
4. The pressing structure of a key switch according to claim 1, characterized in that: The switch fixing bracket (4) is provided with a screw hole (41) for inserting a screw column (121) arranged on the boss (12), and the switch fixing bracket (4) is locked and fixed on the boss (12) by a fixing screw (7).
5. The pressing structure of a key switch according to claim 1, characterized in that: A positioning column (42) is provided on the surface of the switch fixing bracket (4), and buckles (43) are provided on both sides of the positioning column (42). After the touch switch (3) is inserted into the positioning column (42), it is clamped by the buckles (43) on both sides.