Pressing type length adjusting mechanism and headphone
By using a press-type length adjustment mechanism, which combines a spring and hook rod with a notch and a sliding block design, the problem of inconvenient adjustment in existing equipment is solved, enabling smooth multi-level adjustment and one-button reset, thus improving the user experience.
Patent Information
- Application Number
- CN202423083445.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing length or height adjustment mechanisms for headphones, umbrellas, and computer monitors are inconvenient to operate, have poor feel, slow reset speed, and are prone to damage or misalignment.
The length adjustment mechanism adopts a push-button type. Through the rotational connection of the first and second arms, and the cooperation of the spring and hook rod with the notch, multi-level adjustment and self-locking can be achieved. Combined with the design of the sliding block, one-button reset can be achieved.
It achieves smooth multi-level adjustment and one-button reset, improving the operating feel, adapting to different user needs, and enhancing the stability and service life of the equipment.
Smart Images
Figure CN223528193U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the height or length adjusting mechanism of pole or support column, such as the length adjustment of head beam of head -wearing earphone, the height adjustment of computer display, automatic release umbrella rod etc. BACKGROUND
[0002] The telescopic rod principle of head -wearing earphone is mainly based on its internal structure design to realize the function of length adjustment according to the head size of user. Telescopic earphone is usually equipped with one or more telescopic mechanisms, and these mechanisms are the key to length adjustment. The most common is linear telescopic mechanism. That is, adopts guide rail, slider and screw mechanism etc. parts. The guide rail is fixed on the inner side of the head -wearing part of earphone, the slider is connected in the extension part of earphone, through rotating screw mechanism, the slider slides on the guide rail, realizes the linear telescopic of earphone. And the gear position adjustment of head -wearing earphone is generally realized by hard stretching, and the hand feeling is poor, and the gear position and comfort are weak, and when resetting, relies on push -pull to realize, slow, poor experience.
[0003] The telescopic of umbrella structure is similar, and the length adjustment of umbrella in the prior art generally sets the stopper, realizes the quick extension by hard pulling or one -key pressing, and the retraction is basically realized by hard pushing, and the height adjustment of computer display is also generally realized by manual hard push -pull, the operation is unchanged, and due to the large resistance in the process of push -pull, the intensity of push -pull is not good, and it is easy to pull and break or pull the wrong position to cause normal use. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming at least one of the defects of the prior art, and provides a press -type length adjusting mechanism to realize the purpose of multistage adjustment and self -locking in the pressing height direction and one -key resetting.
[0005] The utility model provides a press -type length adjusting mechanism, which comprises a first arm, a gear position adjusting column, a spring and a second arm, the first arm is rotatably connected with the second arm, the gear position adjusting column is fixedly arranged in the first arm, the connecting end of the second arm is provided with a hook rod, the distal end of the hook rod is movably connected with one end of the gear position adjusting column, one end of the spring is connected with the second arm, and the other end of the spring is connected with the gear position adjusting column, the side of the gear position adjusting column is provided with a notch, and the notch is used for the position of the hook rod when the first arm and the second arm are telescoped.
[0006] In the natural state of the spring, the end of the hook rod hooks the guide column, by relative rotation and pressing the first arm and the second arm, the end of the hook rod passes through the gap, and by relative rotation of the first arm and the second arm again, the end of the second arm is misaligned with the gap, and the clamping with the sliding block is achieved. The total length of the first arm and the second arm is shortened, the retraction is achieved, the whole pushing process is smooth, and too much external force is not needed to push.
[0007] When reset is needed, by relative rotation of the first arm and the second arm, the end of the hook rod is aligned with the gap, the first arm or the second arm is loosened, under the action of the spring rebound force, the hook rod retreats from the gap and is clamped on the gear adjustment column, and one-key reset is achieved.
[0008] Therefore, the length adjustment scheme of the utility model can be used in cantilever length adjustment, product height adjustment in a direction, length adjustment of a head beam of a headset, height adjustment of a computer display, automatic release of a umbrella rod and the like scenes, multi-stage adjustment in a pressing height direction and self-locking can be achieved, one-key reset can be achieved, and the pressing feeling can be adjusted by adjusting the spring force in the running process.
[0009] Further, the gear adjustment column comprises a guide column and one or more sliding blocks; one end of the guide column is connected with the first arm, and the other end is connected with the spring; the sliding block is sleeved on the guide column, and the gap is arranged on the side of the sliding block.
[0010] Preferably, the sliding block is fixed on the guide column.
[0011] More preferably, the sliding block is movably sleeved on the guide column.
[0012] The gear adjustment column has two design modes, one or more sliding blocks are fixed on the guide column in the first mode, which can be integrally formed or fixedly connected, and the whole forms a mechanism, and the bottom is fixed in the first arm, and the gear adjustment process will not have a rebound force; in the other mode, the sliding block is sleeved on the guide column in the installation mode of an abacus ball, and is movably sleeved, when the end of the hook rod passes through the gap, the first arm or the second arm is rotated to misalign the gap, the hook rod hooks the sliding block, and under the action of the spring rebound force, the hook rod drives the hooked sliding block to rebound, a rebound pressing effect is formed, and the experience is better.
[0013] Preferably, the sliding clamping block in some embodiments of the utility model is disc-shaped, and the thickness of the middle part is greater than that of the edge. In other embodiments of the utility model, the sliding clamping block is square or disc-shaped. As long as a notch can be designed on the side of the sliding clamping block, and the non-notch part can be connected with the hook rod, the change in the shape of the sliding clamping block is within the protection scope of the utility model.
[0014] The sliding clamping block is 1-8. Preferably, it is 2-6 groups, and 2-4 groups can be designed for the headset, which can be suitable for users with different head shapes.
[0015] Preferably, the number of notches is 2-4 groups, which are evenly distributed on the side of the sliding clamping block.
[0016] More preferably, the number of notches is 3 groups. The number of hook rods and notches is matched, preferably three groups, and the three parts realize the clamping surface of a triangle in the same plane after clamping, and the relative stability is higher.
[0017] Further, one end of the guide column is a fixed end, which is fixed with the first arm, and the other end is an enlarged end; the end of the hook rod is movably connected with the enlarged end.
[0018] Preferably, the hook rod is in the shape of 7, and the fixed end of the hook rod is integrally formed with the second arm.
[0019] Further, the outer diameter of the second arm is smaller than the inner diameter of the first arm. Therefore, the second arm can be inserted into the first arm, and part of the second arm can be inserted, and the push-pull can be realized by pressing the first arm or the second arm and moving them relative to each other.
[0020] Preferably, the connecting end of the second arm is further provided with a convex column, and the spring is sleeved on the convex column to realize the connection with the second arm.
[0021] Preferably, the number of notches is three groups, the number of hook rods is three groups, and the distance between the hook rods is the same as the distance between the notches.
[0022] In addition, the sliding clamping block can be connected in parallel to the negative pole of the circuit, and the insulation between the two is good, the second arm is used as a key, and the key buckle is connected to the positive pole of the circuit. When the buckle is clamped, a path is formed, and the identification of the gear is realized, which is a scheme for controlling the gear, such as temperature, brightness and speed control, so that the application scene is more abundant.
[0023] The utility model also provides a headset, which comprises a headset body and the pressing type length adjusting mechanism of any one of claims 1-7.
[0024] Compared with the prior art, the length adjusting scheme of the utility model has the beneficial effects that
[0025] The length adjusting scheme can be used in cantilever length adjustment, product height adjustment in a direction, length adjustment of a head beam of a headset, height adjustment of a computer display, automatic release of a umbrella rod and the like scenes, can realize multi-stage adjustment and self-locking in a pressing height direction, can realize one-key resetting, and can adjust the pressing feeling through spring force in a running process.
[0026] The utility model uses pure mechanical structure to realize multi-gear adjustment and resetting action of the key pressing direction, can increase the gear number through increasing the number of the sliding block, and can fix the multiple sliding blocks as an integrated mechanism on the first arm without adjusting the gear number. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is partial dismounting structure schematic view that the utility model press type length adjusting mechanism is applied to headset.
[0028] Figure 2 It is partial three-dimensional structure schematic view of the utility model press type length adjusting mechanism.
[0029] Figure 3 It is structure schematic view of the utility model press type length adjusting mechanism in example 1 under the shortest state of pressing.
[0030] Figure 4 It is structure schematic view of the utility model press type length adjusting mechanism in example 1 under the middle state of pressing.
[0031] Figure 5 It is partial structure schematic view of the utility model press type length adjusting mechanism in example 1 under the retraction state.
[0032] Figure 6 It is structure schematic view of the utility model press type length adjusting mechanism in example 2 under the shortest state.
[0033] Figure 7 It is structure schematic view of the utility model press type length adjusting mechanism in example 2 under the longest state. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be described in more detail with reference to the accompanying drawings. The same or similar reference signs in the drawings represent the same or similar elements or elements having the same or similar functions. The described embodiments are part of the embodiments of the present application, rather than all the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0035] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.
[0036] In addition, if the present application embodiments involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection claimed by the present application.
[0037] Embodiment 1
[0038] The present embodiment provides a pressing type length adjustment mechanism for a headset, as shown in Figure 1 The outer diameter of the second arm 4 is smaller than the inner diameter of the first arm 1, so that the second arm 4 can be inserted into the first arm 1, and partial insertion is sufficient. By pressing the first arm 1 or the second arm 4, the relative movement of the two is achieved to realize pushing and pulling. In combination with Figure 2As shown, the gear adjusting column 2 is fixed in the first arm 1, and the connecting end of the second arm 4 is provided with three groups of hook rods 5; the end of the hook rod 5 is movably connected with one end of the gear adjusting column 2; the connecting end of the second arm 4 is also provided with a convex column 6, and the spring 3 is sleeved on the convex column 6 to realize the connection with the second arm 4. The other end of the spring 3 is connected with the gear adjusting column 2; the side of the gear adjusting column 2 is provided with three groups of notches 7 matched with the positions of the hook rods 5, and the spacing of the hook rods 5 is the same as the spacing between the notches 7.
[0039] In combination Figure 3 As shown, the gear adjusting column 2 in the embodiment includes a guide column 21 and five sliding clamping blocks 22; the sliding clamping block 22 is in a circular disc shape, and the thickness of the middle part is greater than the thickness of the edge. One end of the guide column 21 is connected with the first arm 1, and the other end is connected with the spring 3; the sliding clamping block 22 is sleeved on the guide column 21, and the notch 7 is arranged on the side of the sliding clamping block 22. The sliding clamping block 22 is movably sleeved on the guide column 21. One end of the guide column 21 is a fixed end fixed with the first arm 1, and the other end is an enlarged end; the end of the hook rod 5 is movably connected with the enlarged end. The hook rod 5 is in a 7-shaped type, and the fixed end of the hook rod 5 is integrally formed with the second arm 4.
[0040] The gear adjusting column 2 has two design modes, and the sliding clamping block in the embodiment is similar to the installation mode of the beads of an abacus, that is, the sliding clamping block 22 is sleeved on the guide column 21 in a movable manner. When the end of the hook rod 5 passes through the notch 7, the first arm 1 or the second arm 4 is rotated to misalign the notch 7, so that the hook rod 5 hooks the sliding clamping block 22. Due to the certain space reserved on the guide column 21, under the action of the spring 3, the hook rod 5 drives the hooked sliding clamping block 22 to perform a rebound movement, thereby forming a rebound pressing effect, and the experience is better.
[0041] In combination Figures 2 to 4 As shown, in the natural state of the spring 3, the end of the hook rod 5 hooks the guide column 21. By relatively rotating and pressing the first arm 1 and the second arm 4, the end of the hook rod 5 passes through the notch 7, and by further relatively rotating the first arm 1 and the second arm 4, the end of the second arm 4 is misaligned with the notch 7, so as to realize the clamping with the sliding clamping block 22. The total length of the first arm 1 and the second arm 4 is shortened, the retraction is realized, the whole pushing process is smooth, and a large external force is not needed for pushing.
[0042] In combination Figure 5As shown, when reset is needed, by relatively rotating the first arm 1 and the second arm 4, the end of the hook rod 5 is aligned with the gap 7, the first arm 1 or the second arm 4 is loosened, under the rebound force of the spring 3, the hook rod 5 retreats from the gap 7 and is clamped on the gear adjusting column 2, one-key reset is realized.
[0043] Embodiment 2
[0044] The difference between this embodiment and embodiment 1 is that, as shown, Figures 6 to 7 The sliding clamping block 22 is two groups.
[0045] Embodiment 3
[0046] The difference between this embodiment and embodiment 1 is that, the sliding clamping block 22 is three groups, is fixed on the guide column 21, is integrally formed as a gear adjusting mechanism, and is fixed at the bottom in the first arm 1.
[0047] Embodiment 3
[0048] The difference between this embodiment and embodiment 1 is that, the sliding clamping block 22 is square sheet.
[0049] Embodiment 4
[0050] The difference between this embodiment and embodiment 1 is that, the sliding clamping block 22 is round sheet.
[0051] Embodiment 5
[0052] This embodiment applies the pressing type length adjusting mechanism in embodiment 1 to the telescopic rod of an umbrella.
[0053] Embodiment 6
[0054] This embodiment applies the pressing type length adjusting mechanism in embodiment 1 to the display screen supporting rod.
[0055] The above embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the utility model technical scheme. Those skilled in the art can also make other changes within the spirit of the utility model and use them in the design of the utility model, as long as they do not deviate from the technical effects of the utility model. These changes made according to the spirit of the utility model should be included in the scope of protection claimed by the utility model.
Claims
1. A push-type length adjustment mechanism characterized by, The press type length adjusting mechanism comprises a first arm (1), a gear adjusting column (2), a spring (3) and a second arm (4). The first arm (1) is rotatably connected with the second arm (4); the gear adjusting column (2) is fixedly arranged in the first arm (1), and a connecting end of the second arm (4) is provided with a hook rod (5); a distal end of the hook rod (5) is movably connected with one end of the gear adjusting column (2). One end of the spring (3) is connected with the second arm (4), and the other end is connected with the gear adjusting column (2). A side of the gear adjusting column (2) is provided with a notch (7); the notch (7) is used for the hook rod (5) when the first arm (1) and the second arm (4) are extended and retracted.
2. The push-length adjustment mechanism according to claim 1, characterized in that The gear adjusting column (2) comprises a guide column (21) and one or more sliding blocks (22); one end of the guide column (21) is connected with the first arm (1), and the other end is connected with the spring (3); the sliding block (22) is sleeved on the guide column (21), and the notch (7) is arranged on a side of the sliding block (22).
3. The push-length adjustment mechanism of claim 2, wherein, The sliding block (22) is movably sleeved on the guide column (21), or the sliding block (22) is fixedly arranged on the guide column (21).
4. The push-length adjustment mechanism of claim 2, wherein The sliding block (22) is in a circular disc shape, the thickness of the middle part is greater than the thickness of the edge, and the number of the sliding blocks (22) is 1-8.
5. The push-length adjustment mechanism of claim 2, wherein, The number of the notches (7) is 2-4 groups, which are evenly distributed on the sides of the sliding blocks (22).
6. The push-length adjustment mechanism of claim 2, wherein, One end of the guide column (21) is a fixed end, which is fixed with the first arm (1), and the other end is an enlarged end; a distal end of the hook rod (5) is movably connected with the enlarged end.
7. The push-length adjustment mechanism of claim 6, wherein, The hook rod (5) is in a 7-shaped type, and a fixed end of the hook rod (5) is integrally formed with the second arm (4).
8. The push-length adjustment mechanism according to any one of claims 1 to 7, characterized in that An outer diameter of the second arm (4) is smaller than an inner diameter of the first arm (1); a connecting end of the second arm (4) is further provided with a convex column (6), and the spring (3) is sleeved on the convex column (6) to realize the connection with the second arm (4).
9. The push-length adjustment mechanism according to any one of claims 1 to 7, characterized in that The number of the notches (7) is three groups, the number of the hook rods (5) is three groups, and the spacing between the hook rods (5) is the same as the spacing between the notches (7).
10. A headset, characterized by The press type length adjusting mechanism comprises a headset body and the press type length adjusting mechanism according to any one of claims 1-7.