Direction-adjustable unidirectional rotation damper

Abstract

This utility model belongs to the technical field of rotary dampers, and particularly relates to a unidirectional rotary damper with adjustable direction, comprising: a housing filled with damping oil; a rotating shaft with a limiting structure on its circumference; a rotating assembly including a rotating block and a locking block, the rotating block being rotatably disposed in a storage slot, the locking block being swingably disposed on the rotating block, and the locking block having a first locking part and a second locking part; an adjusting assembly including a limiting member and an adjusting member, the limiting member being movably disposed on the rotating block, and the adjusting member being rotatably disposed on the rotating shaft for driving the limiting member to move; when the limiting member moves between the first locking part and the rotating block, the first locking part restricts the clockwise rotation of the rotating shaft; when the limiting member moves between the second locking part and the rotating block, the second locking part restricts the counterclockwise rotation of the rotating shaft; the beneficial effect of this utility model is to realize the adjustment of the damping direction of the damper and improve the applicability of the damper.

Description

Technical Field

[0001] This utility model belongs to the field of rotary damper technology, and particularly relates to a unidirectional rotary damper with adjustable direction. Background Technology

[0002] Currently, a unidirectional rotary damper is a device used to control the speed of rotational motion and provide a smooth damping effect. It can be designed with an internal unidirectional mechanism to provide damping resistance only in a specific direction of rotation, while achieving free rotation with no or low resistance in the opposite direction.

[0003] In existing technologies, traditional unidirectional rotary dampers mainly use structures such as unidirectional bearings and torsion springs to achieve unidirectional rotation. Since unidirectional rotary dampers can only achieve damping effects in a single direction, such as clockwise or counterclockwise, they cannot be adjusted according to the usage environment, resulting in poor applicability. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a unidirectional rotary damper with adjustable direction.

[0005] In view of this, the present invention provides a unidirectional rotary damper with adjustable direction, comprising:

[0006] The housing has a storage compartment inside, which is filled with damping oil.

[0007] A rotating shaft is rotatably connected to the housing, and a limit structure is provided on the circumferential side of the rotating shaft;

[0008] The rotating assembly includes a rotating block and a snap-fit ​​block. The rotating block is rotatably disposed in the storage slot, and the snap-fit ​​block is swingably disposed on the rotating block. The snap-fit ​​block is provided with a first snap-fit ​​part and a second snap-fit ​​part, both of which are used to snap-fit ​​with the rotating shaft.

[0009] An adjustment assembly includes a limiting member and an adjusting member. The limiting member is movably mounted on the rotating block, and the adjusting member is rotatably mounted on the rotating shaft to drive the limiting member to move.

[0010] Specifically, when the limiting member moves between the first locking part and the rotating block, the first locking part and the limiting structure on the rotating shaft engage to restrict the clockwise rotation of the rotating shaft; when the limiting member moves between the second locking part and the rotating block, the second locking part and the limiting structure on the rotating shaft engage to restrict the counterclockwise rotation of the rotating shaft.

[0011] Furthermore, the limiting structure includes several snap-fit ​​slots;

[0012] The card slot includes:

[0013] The first card contact position is used to abut against the first card contact part;

[0014] The second locking position is used to abut against the second locking part.

[0015] Furthermore, the limiting element includes:

[0016] Connecting block, used to connect with adjusting components;

[0017] The limiting spring is used to limit the swing of the locking block.

[0018] Furthermore, the adjusting element includes:

[0019] A fixed block is rotatably mounted on a rotating block;

[0020] The button is mounted on the fixed block and connected to the connecting block, and is exposed outside the housing.

[0021] Furthermore, the casing is also decorated with identification patterns.

[0022] Furthermore, a limit block is also provided on the fixed block, and a limit hole is provided on the limit block;

[0023] A limit rod is provided on the rotating block, and the limit rod passes through a limit hole.

[0024] Furthermore, the bottom of the limiting block is provided with several positioning grooves, and the rotating block is also provided with a feedback component, which includes:

[0025] A telescopic spring, which can be extended and retracted axially, is mounted on the rotating block;

[0026] A steel ball is installed on one end of a telescopic spring and engages with one of the positioning slots.

[0027] The beneficial effects of this utility model are:

[0028] When the limiting member moves between the first engaging part and the rotating block, the end of the first engaging part of the engaging block abuts against the first engaging position, achieving a snap-fit ​​engagement between the annular protrusion and the engaging block. When the rotating shaft rotates clockwise, it can drive the rotating block to rotate together. When the rotating shaft rotates counterclockwise, the end of the first engaging part will separate from the first engaging position, and then the second engaging position will touch and push the end of the first engaging part out of the engaging groove and squeeze the limiting spring, thereby allowing the rotating shaft to rotate independently without resistance.

[0029] When the limiting member moves between the second locking part and the rotating block, the end of the second locking part of the locking block and the second locking position abut against each other, so that the rotating shaft can engage with the rotating block when rotating counterclockwise, and when the rotating shaft rotates clockwise, the first locking position can push the end of the second locking part to disengage from the locking groove, so that the rotating shaft can rotate independently without resistance.

[0030] Therefore, this rotary damper can adjust the position of the limiting component by rotating the adjusting component according to the usage environment, thereby changing the damping direction of the damper, effectively improving the applicability of the damper and making it highly practical. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of this utility model;

[0032] Figure 2 This is an exploded view of the structure of this utility model;

[0033] Figure 3 This is a structural cross-sectional view of the present invention;

[0034] Figure 4 This is a structural cross-sectional view of the present invention from another perspective;

[0035] Figure 5 This is a schematic diagram of the internal structure of this utility model when clockwise damping is applied;

[0036] Figure 6 This is a schematic diagram of the internal structure of this utility model when it is counterclockwise damped;

[0037] Figure 7 This is an exploded view of the structure between the adjusting component and the rotating block in this utility model;

[0038] The markings in the diagram are as follows:

[0039] 1. Outer shell; 2. Cover plate; 3. Base; 4. Rotating shaft; 41. Snap-fit ​​groove; 42. First snap-fit ​​position; 43. Second snap-fit ​​position; 5. Rotating block; 51. Limiting rod; 52. Telescopic spring; 53. Steel ball; 6. Snap-fit ​​block; 61. First snap-fit ​​part; 62. Second snap-fit ​​part; 7. Limiting component; 71. Connecting block; 72. Limiting spring; 8. Adjusting component; 81. Fixing block; 82. Button; 83. Limiting block; 84. Limiting hole; 85. Positioning groove. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0042] Example 1:

[0043] This embodiment provides a unidirectional rotary damper with adjustable direction, comprising:

[0044] The housing has a storage compartment inside, which is filled with damping oil.

[0045] A rotating shaft 4 is rotatably connected to the outer casing 1, and a limit structure is provided on the circumferential side of the rotating shaft 4;

[0046] The rotating assembly includes a rotating block 5 and a snap-fit ​​block 6. The rotating block 5 is rotatably disposed in the storage slot, and the snap-fit ​​block 6 is swingably disposed on the rotating block 5. The snap-fit ​​block 6 is provided with a first snap-fit ​​part 61 and a second snap-fit ​​part 62. Both the first snap-fit ​​part 61 and the second snap-fit ​​part 62 are used to snap-fit ​​with the rotating shaft 4.

[0047] The adjustment assembly includes a limiting member 7 and an adjusting member 8. The limiting member 7 is movably disposed on the rotating block 5, and the adjusting member 8 is rotatably disposed on the rotating shaft 4 for driving the limiting member 7 to move.

[0048] When the limiting member 7 moves between the first locking part 61 and the rotating block 5, the first locking part 61 and the limiting structure on the rotating shaft 4 engage to restrict the clockwise rotation of the rotating shaft 4; when the limiting member 7 moves between the second locking part 62 and the rotating block 5, the second locking part 62 and the limiting structure on the rotating shaft 4 engage to restrict the counterclockwise rotation of the rotating shaft 4.

[0049] In this technical solution, the housing of the unidirectional rotary damper includes an outer shell 1, a cover plate 2, and a base 3. A storage slot is provided inside the outer shell 1, into which the rotating block 5 is installed and connected to the outer shell 1 via a bearing. Next, the rotating shaft 4 is inserted axially into the outer shell 1, and a bearing is provided at the bottom of the outer shell 1. The base 3 is connected to the bottom of the outer shell 1 via fasteners, fixing the bearing to the outer shell 1, allowing the rotating shaft 4 to rotate with the outer shell 1. A snap-fit ​​block 6 is then installed on the rotating block 5. A groove is provided on the rotating block 5, and the snap-fit ​​block 6 is rotatably connected to the rotating block 5 and located within the groove via a set screw. Finally, an adjustment component is installed on the rotating block 5. The limiting member 7 of the adjustment component is located within the groove, between the groove wall and the snap-fit ​​block 6. The adjusting member 8 of the adjustment component is rotatably installed on the rotating block 5 and connected to the limiting member 7. Finally, damping oil is injected into the storage slot, and the cover plate 2 is installed on the outer shell 1 by setting fasteners to achieve axial limiting of the adjusting component 8, thereby completing the assembly of the unidirectional rotary damper.

[0050] In use, the adjusting member 8 is moved according to the rotation direction of the environment. When the environment rotates clockwise, rotating the adjusting member 8 moves the limiting member 7 between the first engaging part 61 and the rotating block 5, simultaneously engaging the first engaging part 61 with the limiting structure on the rotating shaft 4. This causes the rotating shaft 4 to rotate clockwise, causing the rotating block 5 to rotate as well, and the rotating block 5 generates damping force under the viscous force of the damping oil. When the rotating shaft 4 rotates counterclockwise, it pushes the first engaging part 61 away from the limiting structure, allowing the rotating shaft 4 to rotate independently without resistance.

[0051] When the operating environment is counterclockwise rotation, the adjusting member 8 is rotated to move the limiting member 7 between the second locking part 62 and the rotating block 5. The limiting member 7 pushes the second locking part 62 and the limiting structure on the rotating shaft 4 to engage, so that when the rotating shaft 4 rotates counterclockwise, it will drive the rotating block 5 to rotate together, thereby generating a damping force. When rotating clockwise, the rotating shaft 4 rotates independently without resistance.

[0052] In summary, this rotary damper can adjust the position of the limiting member 7 by rotating the adjusting member 8 according to the usage environment, thereby changing the damping direction of the damper, effectively improving the applicability of the damper and making it highly practical.

[0053] Furthermore, the limiting structure includes a plurality of snap-fit ​​slots 41, each snap-fit ​​slot 41 including a first snap-fit ​​position 42 and a second snap-fit ​​position 43. The first snap-fit ​​position 42 is used to abut against the first snap-fit ​​part 61, and the second snap-fit ​​position 43 is used to abut against the second snap-fit ​​part 62.

[0054] Furthermore, the limiting member 7 includes a connecting block 71 and a limiting spring 72, the connecting block 71 being used to connect with the adjusting member 8.

[0055] The limiting spring 72 is used to limit the swing of the locking block 6.

[0056] Specifically, the limiting structure includes an annular protrusion protruding radially onto the rotating shaft 4. Several locking grooves 41 arranged in a ring array are formed on the periphery of the annular protrusion. Each locking groove 41 has a first locking position 42 and a second locking position 43 on both sides along its circumferential direction. For example... Figure 5 As shown, when the limiting member 7 moves between the first engaging part 61 and the rotating block 5, the limiting spring 72 pushes the engaging block 6 to swing, so that the first engaging part 61 of the engaging block 6 is inserted into the engaging groove 41, and the end of the first engaging part 61 abuts against the first engaging position 42, realizing the engaging engagement of the annular protrusion and the engaging block 6. When the rotating shaft 4 rotates clockwise, it can drive the rotating block 5 to rotate together. When the rotating shaft 4 rotates counterclockwise, the end of the first locking part 61 will separate from the first locking position 42. Then, the second locking position 43 will touch and push the end of the first locking part 61 to disengage from the locking groove 41 and squeeze the limiting spring 72, so that the rotating shaft 4 can rotate independently without resistance. When the next locking groove 41 engages with the end of the first locking part 61 as the rotating shaft 4 rotates counterclockwise, the limiting spring 72 will return to its original state and push the first locking part 61 into the locking groove 41, ensuring that the rotating shaft 4 can engage with the rotating block 5 clockwise.

[0057] Similarly, when the limiting member 7 moves between the second locking part 62 and the rotating block 5, as Figure 6 As shown, the second locking part 62 of the locking block 6 is inserted into the locking groove 41, and the end of the second locking part 62 abuts against the second locking position 43, so that the rotating shaft 4 can engage with the rotating block 5 when rotating counterclockwise, and the first locking position 42 can push the end of the second locking part 62 out of the locking groove 41 when rotating clockwise, so that the rotating shaft 4 can rotate independently without resistance.

[0058] Example 2:

[0059] This embodiment provides a unidirectional rotary damper with adjustable direction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] Furthermore, the adjusting element 8 includes:

[0061] Fixed block 81 is rotatably mounted on rotating block 5;

[0062] Button 82 is mounted on fixing block 81 and connected to connecting block 71, and is exposed outside the housing.

[0063] In this technical solution, the fixing block 81 is a ring-shaped structure sleeved on the rotating shaft 4. The button 82 is integrally connected to the fixing block 81, and the button 82 is hollow inside, engaging with the connecting block 71 of the limiting member 7. A sliding groove is provided on the cover plate 2, through which the button 82 passes and is exposed. Through this structural design, the operator can move the limiting spring 72 between the first locking part 61 and the rotating block 5 or between the second locking part 62 and the rotating block 5 by moving the button 82, thereby adjusting the damping direction of the damper. In addition, the abutting engagement between the button 82 and the sliding groove also provides a certain limiting function.

[0064] Furthermore, the housing is also equipped with marking patterns. By setting "clockwise" and "counterclockwise" marking patterns on the cover plate 2, when the button 82 moves to the corresponding marking pattern, it indicates the damping direction when the damper is working. This facilitates observation and use by the staff.

[0065] Example 3:

[0066] This embodiment provides a unidirectional rotary damper with adjustable direction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0067] Furthermore, a limit block 83 is also provided on the fixed block 81, and a limit hole 84 is provided on the limit block 83;

[0068] A limit rod 51 is provided on the rotating block 5, and the limit rod 51 is provided through the limit hole 84.

[0069] In this technical solution, a limiting block 83 with an integrated structure is provided at the bottom of the fixed block 81. A limiting hole 84 is provided on the limiting block 83 and extends radially through the limiting block 83. The limiting rod 51 is installed on the rotating block 5 and passes through the limiting hole 84. During the clockwise and counterclockwise rotation of the fixed block 81, the limiting rod 51 will contact the two side walls of the limiting hole 84 along the circumferential direction, thereby achieving a limiting effect and restricting the rotation range of the knob, which is highly practical.

[0070] Example 4:

[0071] This embodiment provides a unidirectional rotary damper with adjustable direction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] Furthermore, the bottom of the limiting block 83 is provided with several positioning grooves 85, and the rotating block 5 is also provided with a feedback component, which includes:

[0073] A telescopic spring 52 is provided on the rotating block 5, which can be telescopically extended along the axis.

[0074] Steel ball 53 is installed on one end of telescopic spring 52 and abuts against one of the positioning grooves 85.

[0075] In this technical solution, three positioning grooves 85 are provided at the bottom of the limiting block 83. The positioning grooves 85 have an arc-shaped structure, and the steel ball 53 can be pressed against one of the positioning grooves 85 by the telescopic spring 52. When the operator operates the button 82 to rotate, causing the limiting block 83 to rotate together, the steel ball 53 will move out of the positioning groove 85 and the telescopic spring 52 will be compressed. When another positioning groove 85 moves to the position of the steel ball 53, the telescopic spring 52 will reset and push the steel ball 53 into the positioning groove 85, making a sound. This can enhance the feel and sound when shifting gears, effectively improving the operating comfort. The embodiments of this application have been described above with reference to the accompanying drawings. In the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many forms under the guidance of this application without departing from the spirit and scope of protection of the claims, and all of them are within the protection of this application.

Claims

1. A unidirectional rotary damper with adjustable direction, characterized in that, include: A housing, wherein a storage compartment is provided inside the housing and the storage compartment is filled with damping oil; A rotating shaft (4) is rotatably connected to the outer shell (1), and a limit structure is provided on the circumferential side of the rotating shaft (4); The rotating assembly includes a rotating block (5) and a snap-fit ​​block (6). The rotating block (5) is rotatably disposed in the storage slot, and the snap-fit ​​block (6) is swingably disposed on the rotating block (5). The snap-fit ​​block (6) is provided with a first snap-fit ​​part (61) and a second snap-fit ​​part (62). Both the first snap-fit ​​part (61) and the second snap-fit ​​part (62) are used to snap-fit ​​with the rotating shaft (4). The adjustment assembly includes a limiting member (7) and an adjusting member (8). The limiting member (7) is movably disposed on the rotating block (5), and the adjusting member (8) is rotatably disposed on the rotating shaft (4) for driving the limiting member (7) to move. When the limiting member (7) moves between the first locking part (61) and the rotating block (5), the limiting structure on the first locking part (61) and the rotating shaft (4) engages to restrict the clockwise rotation of the rotating shaft (4); when the limiting member (7) moves between the second locking part (62) and the rotating block (5), the limiting structure on the second locking part (62) and the rotating shaft (4) engages to restrict the counterclockwise rotation of the rotating shaft (4).

2. The directional adjustable unidirectional rotary damper according to claim 1, characterized in that, The limiting structure includes several snap-fit ​​slots (41); The snap-fit ​​slot (41) includes: The first card contact (42) is used to abut against the first card contact part (61); The second latching position (43) is used to abut against the second latching part (62).

3. The directional adjustable unidirectional rotary damper according to claim 1, characterized in that, The limiting member (7) includes: A connecting block (71) is used to connect with an adjusting member (8); A limiting spring (72) is used to limit the swing of the locking block (6).

4. The directional adjustable unidirectional rotational damper according to claim 3, characterized in that, The adjusting member (8) includes: A fixing block (81) is rotatably mounted on a rotating block (5); A button (82) is mounted on a fixing block (81) and connected to a connecting block (71), and is exposed outside the housing.

5. A directionally adjustable unidirectional rotary damper according to claim 4, characterized in that, The shell is also provided with a logo pattern.

6. A directionally adjustable unidirectional rotary damper according to claim 4, characterized in that, The fixing block (81) is also provided with a limiting block (83), and the limiting block (83) has a limiting hole (84). The rotating block (5) is provided with a limiting rod (51), and the limiting rod (51) passes through the limiting hole (84).

7. A directionally adjustable unidirectional rotary damper according to claim 6, characterized in that, The bottom of the limiting block (83) is provided with several positioning grooves (85), and the rotating block (5) is also provided with a feedback component, the feedback component including: A telescopic spring (52) is provided on the rotating block (5) in an axially telescopic manner; A steel ball (53) is mounted on one end of the telescopic spring (52) and engages with one of the positioning grooves (85).

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