Guide pillar key spring
By incorporating a guide post and a rubber buffer block into the button spring, the problem of button spring deformation and dislodgement after prolonged use is solved, improving the pressing feel and operational feedback.
Patent Information
- Application Number
- CN202423299613.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The button springs on the market are prone to deformation and dislodgement after prolonged use, affecting the pressing effect.
Design a guide post button spring, which provides a guiding function by setting guide post bodies in multiple spring segments, and achieves a damping effect by setting a rubber buffer block at the upper end of the spring guide shaft segment.
To prevent lateral deformation of the multi-segment spring during repeated compression, improve the pressing feel and effect, and provide good pressing feedback.
Smart Images
Figure CN223858055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model is suitable for electrical component technical field, provide a guide column key spring. BACKGROUND
[0002] Key spring is widely used on various electric appliances, mainly replaces traditional buckle type or elastic sheet type switch, especially on some high-end products, because of the existence of spring, compared with traditional switch, its elastic expansion stroke is longer, and the pressing feeling is better, and the key spring can also improve the loosening condition caused by abrasion after long time use of traditional switch, but the key spring on the market usually only includes single spring, and the spring is directly placed between the button and the contact point without any limiting, after long time reciprocating compression, the spring is prone to deformation, which affects the pressing effect and is also prone to falling out. UTILITY MODEL CONTENTS
[0003] Therefore, the utility model provides a guide column key spring, which provides guidance for the multi-section spring by setting the guide column body in the multi-section spring made in one piece, prevents lateral deformation of the multi-section spring during repeated compression, and affects the pressing effect.
[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a guide column key spring, comprising:
[0005] The guide column body comprises a spring guide shaft section, the bottom end of the spring guide shaft section is fixedly connected with an extension connecting shaft section, a spring limiting plate is arranged at the connecting position of the spring guide shaft section and the extension connecting shaft section, and a spring clamping thread section is arranged at the lower part of the spring guide shaft section.
[0006] The multi-section spring comprises a clamping section, an elastic expansion section and a top pressing section from bottom to top, the clamping section, the elastic expansion section and the top pressing section are made of the same metal wire by bending and coiling, the clamping section and the elastic expansion section are arranged outside the spring guide shaft section, the clamping section is clamped with the spring clamping thread section, and the lower end of the clamping section abuts against the spring limiting plate.
[0007] Further, a spring top retaining ring formed by coiling a metal wire inward is arranged at the upper end opening of the top pressing section, a buffer block mounting groove is arranged at the upper end of the spring guide shaft section, and a rubber buffer block is fixedly arranged in the buffer block mounting groove.
[0008] Further, the top pressing section is in the shape of a taper with an increasing outer diameter from bottom to top.
[0009] Further, the lower end of the extension connecting shaft section is fixedly connected with a mounting shaft section, and a mounting limiting plate is arranged at the connecting position of the mounting shaft section and the extension connecting shaft section.
[0010] Compared with the prior art, the utility model has the advantages of
[0011] 1、The utility model discloses a scheme, through setting up the design of guide pillar body in multistage spring, when multistage spring is reciprocating compression under external force, spring guide shaft section plays the guiding effect to multistage spring, prevents multistage spring from deforming to one side, influences the effect of later use.
[0012] 2、Through setting up rubber buffer block on spring guide shaft section upper end, the last section of the compression stroke of multistage spring plays the damping effect, makes the whole pressing hand feeling of button spring better, can also provide better pressing feeling after the elasticity of multistage spring drops later. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structure schematic view of the guide pillar button spring mentioned in the utility model;
[0014] Figure 2 It is the structure schematic view of the guide pillar body mentioned in the utility model;
[0015] Figure 3 It is the structure schematic view of the multistage spring mentioned in the utility model.
[0016] In the drawing,
[0017] 100, guide pillar body, 110, spring guide shaft section, 111, spring clamping thread section, 112, buffer block installation slot, 120, spring limiting plate, 130, extension connecting shaft section, 140, installation limiting plate, 150, installation shaft section;
[0018] 200, multistage spring, 210, clamping section, 220, elastic telescopic section, 230, top pressing section, 240, spring top baffle ring;
[0019] 300, rubber buffer block. DETAILED DESCRIPTION
[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0021] Embodiment, refer to the content of the accompanying Figure 1 The utility model provides a guide pillar button spring, including guide pillar body 100 and multistage spring 200, wherein, like the accompanying Figure 2As shown, the guide post body 100 includes a spring guide shaft segment 110, the bottom end of the spring guide shaft segment 110 is fixedly connected with an extension connecting shaft segment 130, a spring limiting plate 120 is arranged at the connecting position of the spring guide shaft segment 110 and the extension connecting shaft segment 130, a spring clamping threaded segment 111 is arranged at the lower part of the spring guide shaft segment 110, the lower end of the extension connecting shaft segment 130 is fixedly connected with a mounting shaft segment 150 for connecting with the equipment, a mounting limiting plate 140 is arranged at the connecting position of the mounting shaft segment 150 and the extension connecting shaft segment 130, as shown in the attached Figure 3 As shown, the multi-segment spring 200 includes a clamping segment 210, an elastic expansion segment 220 and a top pressing segment 230 from bottom to top, the clamping segment 210, the elastic expansion segment 220 and the top pressing segment 230 are made of the same metal wire by bending and coiling, the metal wire is coiled inward into a spring top blocking ring 240 when the top pressing segment 230 is coiled to the upper end opening, the top pressing segment 230 is in a conical shape with gradually increasing outer diameter from bottom to top, the bottom of the top pressing segment 230 has a smaller outer diameter due to the elastic force of the elastic expansion segment 220, if the outer diameter of the top pressing segment 230 is unchanged, the upper end of the top pressing segment 230 has a smaller force receiving area when pressed, and the pressing experience is poor, the conical shape with gradually increasing outer diameter can provide a larger pressing area at the top, the multi-segment spring 200 is made of the same metal wire by one-time processing, and the manufacturing cost is lower, the clamping segment 210 and the elastic expansion segment 220 are arranged outside the spring guide shaft segment 110, the multi-segment spring 200 is guided by the spring guide shaft segment 110 when compressed, preventing the multi-segment spring 200 from deforming to one side, the clamping segment 210 is clamped with the spring clamping threaded segment 111, the clamping segment 210 is clamped into the threaded gap of the spring clamping threaded segment 111, and the lower end of the clamping segment 210 abuts against the spring limiting plate 120, so that the multi-segment spring 200 is connected with the guide post body 100, a buffer block mounting groove 112 is arranged at the upper end of the spring guide shaft segment 110, a rubber buffer block 300 is fixedly arranged in the buffer block mounting groove 112, there is a gap between the rubber buffer block 300 and the spring top blocking ring 240 in the initial relaxed state of the multi-segment spring 200, the spring top blocking ring 240 contacts the top of the rubber buffer block 300 after a certain distance when the multi-segment spring 200 is pressed downward and shortened by external force, and then the process of continuous pressing will be resisted by the elastic resistance of the rubber buffer block 300, which reflects the whole pressing process of the key spring switch, so that the switch key is pressed more easily in the early stage, and the pressing resistance becomes larger in the later stage under the combined resistance of the rubber buffer block 300 and the multi-segment spring 200, which also prompts the operator that the pressing operation has reached the position, and the pressing feeling is also improved.
[0022] In the description of the utility model, it needs to be understood that the directions such as '' front, back, up, down, left, right'', '' horizontal, vertical, perpendicular, horizontal'' and '' top, bottom'' and so on indicated direction or position relation is usually based on the direction or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, under the condition of not making the opposite statement, these direction words do not indicate and imply that the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the limitation of the protection scope of the utility model: the direction word '' inside, outside'' refers to the inside and outside relative to the contour of each component itself.
[0023] The above is only the preferred embodiment of the utility model, and any skilled person in the art can modify the utility model by using the above-mentioned technical solutions or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement according to the technical solution of the utility model is within the scope of protection required by the utility model.
Claims
1. A guide post key spring, characterized by, Include: The guide post body (100) includes a spring guide shaft section (110), the bottom end of the spring guide shaft section (110) is fixedly connected with an extension connecting shaft section (130), a spring limiting plate (120) is arranged at the connecting position of the spring guide shaft section (110) and the extension connecting shaft section (130), and a spring clamping threaded section (111) is arranged at the lower part of the spring guide shaft section (110); The multi-section spring (200) includes a clamping section (210), an elastic expansion section (220) and a top pressing section (230) from bottom to top, the clamping section (210), the elastic expansion section (220) and the top pressing section (230) are made by bending and spirally winding a same metal wire, the clamping section (210) and the elastic expansion section (220) are sleeved outside the spring guide shaft section (110), the clamping section (210) is clamped with the spring clamping threaded section (111), and the lower end of the clamping section (210) abuts against the spring limiting plate (120).
2. A guide post key spring according to claim 1, wherein: The upper end opening of the top pressing section (230) is provided with a spring top retaining ring (240) which is spirally wound inward by a metal wire, the upper end of the spring guide shaft section (110) is provided with a buffer block mounting groove (112), and a rubber buffer block (300) is fixedly arranged in the buffer block mounting groove (112).
3. A guide post key spring according to claim 2, wherein: The top pressing section (230) is a conical shape with an outer diameter gradually increasing from bottom to top.
4. A guide post key spring according to claim 3, wherein: The lower end of the extension connecting shaft section (130) is fixedly connected with a mounting shaft section (150), and the mounting shaft section (150) is provided with a mounting limiting plate (140) at the connecting position of the extension connecting shaft section (130).