Buffering spike and sliding device

Abstract

The embodiment of the application relates to the technical field of buffering devices, and discloses a buffering spike and a sliding device. The fixing part is used for fixing with a mounting surface of the sliding device, the buffering part is arranged and connected with the fixing part along a first direction, a surface of the buffering part away from the fixing part is an abutting surface, the abutting surface is used for abutting with a stop surface, the abutting surface is provided with a groove, a groove opening of the groove faces the abutting surface, the fixing part is provided with a through hole in communication with the groove, and the through hole is used for discharging gas in the groove when the abutting surface hits the stop surface. The buffering spike provided by the application can eliminate abnormal sound when abutting with the stop surface on the basis of guaranteeing a buffering effect, and improves the use effect of the buffering spike and the sliding device.

Description

Technical Field

[0001] This application relates to the field of buffer device technology, and in particular to a buffer pin and sliding device. Background Technology

[0002] A sliding device generally includes a sliding mechanism and a stop surface. The stop part can be used to limit the displacement of the sliding mechanism so that the sliding mechanism can stop when it slides to the target position. In order to avoid a rigid structure between the sliding mechanism and the stop surface, a buffer pin is generally set to reduce the impact.

[0003] However, the buffer pins in the aforementioned technologies produce abnormal noise when they come into contact with the stop surface, affecting the user experience of the buffer pins and the sliding device. Utility Model Content

[0004] In view of this, this application provides a buffer pin and a sliding device to solve the technical problem in the above-mentioned related technologies that the buffer pin will produce abnormal noise when it comes into contact with the stop surface, which affects the user experience of the buffer pin and the sliding device.

[0005] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:

[0006] A first aspect of this application provides a buffer pin, which includes:

[0007] The fixing part is used to fix it to the mounting surface of the sliding device;

[0008] A buffer portion is arranged and connected to the fixing portion along a first direction. The surface of the buffer portion facing away from the fixing portion is an abutting surface, which is used to abut against the stop surface.

[0009] The abutting surface has a groove, and the opening of the groove faces the abutting surface;

[0010] The fixing part has a through hole communicating with the groove;

[0011] The through hole is used to discharge the gas in the groove when the abutment surface impacts the stop surface.

[0012] The buffer pin provided in this embodiment achieves a stable connection with the sliding device through a fixing part. The buffer part is connected to the fixing part along a first direction to form an integral structure, allowing the contact surface to directly contact the stop surface. A groove is provided on the contact surface with its opening facing outward, forming a deformation space during buffer contact. By connecting the through hole of the fixing part with the groove, a gas channel penetrating the buffer pin is constructed. When the contact surface is pressed against the stop surface, the gas inside the groove can be discharged outward along the through hole, preventing a sudden drop in air pressure in the enclosed space from forming negative pressure adsorption. This structure, through the interconnection design of the physical channel, ensures air pressure balance at the moment of contact between the buffer pin and the stop surface while maintaining the buffer function, eliminating separation noise caused by negative pressure at the source.

[0013] In some embodiments of this application, the groove extends along the first direction, and the through hole extends along the first direction and communicates with the groove.

[0014] In some embodiments of this application, the inner diameter of the through hole is greater than or equal to 1 mm;

[0015] And / or,

[0016] Along the first direction, the thickness of the buffer portion is greater than or equal to 2 mm and less than or equal to 3 mm.

[0017] In some embodiments of this application, the abutment surface has multiple protrusions;

[0018] The plurality of the protruding structures are spaced apart and evenly arranged along the circumferential direction of the groove opening.

[0019] In some embodiments of this application, the abutting surface is further provided with a groove, one end of the groove extending in the direction of extension is connected to the opening of the groove, and the other end of the groove extending in the direction of extension extends to communicate with the outer surface of the buffer portion.

[0020] In some embodiments of this application, the groove extends radially along the opening of the recess;

[0021] The groove includes multiple grooves, which are evenly spaced along the circumferential opening of the groove.

[0022] In some embodiments of this application, the fixing part includes:

[0023] A guide structure is provided for guiding the fixing part through the mounting hole on the mounting surface;

[0024] An annular groove is formed on the outer periphery of the fixing part and located between the guide structure and the buffer part. The annular groove is used to engage with the mounting hole on the mounting surface.

[0025] In some embodiments of this application, the guide structure is a tapered structure;

[0026] The tapered structure includes a small-diameter end and a large-diameter end opposite to each other along a first direction. The outer diameter of the tapered structure gradually increases from the small-diameter end to the large-diameter end, and the small-diameter end is located on the side of the large-diameter end facing away from the buffer portion.

[0027] A second aspect of this application provides a sliding device, comprising:

[0028] A sliding component includes a slider, the slider having a mounting surface and a mounting hole thereon;

[0029] A slide rail is used to guide the slider assembly to slide along a first direction;

[0030] A driving component for driving the slider assembly to move along a first direction;

[0031] The stop surfaces are arranged at intervals from the slider assembly along the first direction;

[0032] A buffer pin is disposed in the mounting hole. When the buffer pin moves toward the stop surface with the slider assembly, the buffer portion of the buffer pin abuts against the stop surface. The buffer pin is the aforementioned buffer pin.

[0033] In some embodiments of this application, the surface of the stop surface facing the buffer pin has a plurality of spaced ribs, so that there is a gap between the abutting surface of the buffer portion and the stop surface that connects the groove and the outside. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of a buffer pin provided in an embodiment of this application;

[0035] Figure 2 for Figure 1 Cross-sectional view of the buffer pin at point AA;

[0036] Figure 3 This is a schematic diagram of the structure of the second type of buffer pin provided in the embodiments of this application;

[0037] Figure 4 This is a schematic diagram of the structure of the third type of buffer pin provided in the embodiments of this application;

[0038] Figure 5 This is a schematic diagram of the structure of a sliding device provided in an embodiment of this application;

[0039] Figure 6 This is a structural schematic diagram of the sliding device provided in an embodiment of this application from another angle.

[0040] Figure label:

[0041] 10. Buffer pin; 20. Sliding assembly; 30. Slide rail; 40. Drive assembly; 50. Stop surface;

[0042] 60. Convex ribs;

[0043] 21. Slider; 22. Mounting surface;

[0044] 100. Fixing part;

[0045] 110. Through hole; 120. Guide structure; 130. Annular groove;

[0046] 200. Buffer section;

[0047] 210. Abutting surface; 220. Groove; 230. Protruding structure;

[0048] 211. Groove. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0050] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0051] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.

[0052] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.

[0053] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0054] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0055] The aforementioned buffer pins in the related technologies produce abnormal noise when they come into contact with the stop surface, affecting the user experience of both the buffer pins and the sliding mechanism. This problem arises because, in existing technologies, when the buffer pins in the motion mechanism contact the stop surface, the air inside the concave hole is squeezed out, resulting in negative pressure adsorption. When the motion mechanism returns, the buffer pins separate from the stop surface, generating noticeable abnormal noise due to the negative pressure. Traditional buffer pins use a closed groove structure, which cannot maintain air pressure balance during impact, leading to a degraded user experience.

[0056] To address the aforementioned problems, this application provides a buffer pin and a sliding device. The buffer pin is stably connected to the sliding device via a fixing part. The buffer part is connected to the fixing part along a first direction to form an integral structure, allowing the contact surface to directly contact the stop surface. A groove is provided on the contact surface with its opening facing outward, forming a deformation space during buffer contact. By connecting the through hole of the fixing part to the groove, a gas channel penetrating the buffer pin is constructed. When the contact surface is pressed against the stop surface, the gas inside the groove can be discharged outward along the through hole, preventing a sudden drop in air pressure in the enclosed space from causing negative pressure adsorption. This structure, through the interconnected design of the physical channel, ensures air pressure balance at the moment of contact between the buffer pin and the stop surface while maintaining the buffer function, eliminating separation noise caused by negative pressure at its source.

[0057] The buffer pin and sliding device provided in this application are described below with reference to the accompanying drawings and specific embodiments.

[0058] Reference Figure 1 and Figure 2 This application provides a buffer pin 10, which can be made of a material with elastic deformation properties. For example, the buffer pin 10 can be made of rubber or silicone.

[0059] The buffer pin 10 may include a fixing part 100 and a buffer part 200.

[0060] The fixing part 100 is used to fix it to the mounting surface 22 of the sliding device. The fixing part 100 refers to a structural component with a mounting and positioning function. Specifically, it can be a columnar body with a guide taper, which is fixed by a snap-fit ​​with the mounting hole on the mounting surface 22 through the annular groove 130.

[0061] The buffer portion 200 and the fixing portion 100 are along the first direction (e.g. Figure 1 The buffer parts 200 are arranged and connected in the X direction. The surface of the buffer part 200 facing away from the fixing part 100 is the abutment surface 210. The abutment surface 210 is used to abut against the stop surface 50. The abutment surface 210 has a groove 220, and the groove opening of the groove 220 faces the abutment surface 210. The buffer part 200 refers to a contact part with elastic deformation capability. Specifically, it can be made of rubber or silicone material, and its thickness needs to meet the buffer deformation requirements.

[0062] The fixing part 100 has a through hole 110 communicating with the groove 220. The through hole 110 is used to discharge the gas in the groove 220 when the abutment surface 210 hits the stop surface 50. The through hole 110 refers to a gas channel that passes through the fixing part 100. It can be implemented by using a round hole or an irregularly shaped channel to keep the groove 220 in gas communication with the outside.

[0063] This application provides a buffer pin 10 and a sliding device. The buffer pin 10 is stably connected to the sliding device via a fixing part 100. The buffer part 200 is connected to the fixing part 100 along a first direction to form an integral structure, allowing the contact surface 210 to directly contact the stop surface 50. A groove 220 is provided on the contact surface 210 with its opening facing outward, forming a deformation space during buffer contact. By connecting the through hole 110 of the fixing part 100 with the groove 220, a gas channel penetrating the buffer pin 10 is constructed. When the contact surface 210 is pressed against the stop surface 50, the gas inside the groove 220 can be discharged outward along the through hole 110, preventing a sudden drop in air pressure in the enclosed space from forming negative pressure adsorption. This structure, through the interconnection design of the physical channel, ensures air pressure balance at the moment of contact between the buffer pin 10 and the stop surface 50 while maintaining the buffer function, eliminating separation noise caused by negative pressure at the source.

[0064] Reference Figure 1 and Figure 2In some embodiments, the groove 220 extends along a first direction, and the through hole 110 extends along the first direction and connects to the groove 220. The groove 220 extending along the first direction means that the length direction of the groove 220 is parallel to the impact direction of the buffer pin 10. Specifically, this can be achieved using a cylindrical or prismatic cavity structure, with its extension axis coinciding with the movement trajectory of the buffer pin 10. The through hole 110 extending along the first direction and connecting to the groove 220 means that the through hole and the groove 220 form a continuous through structure. Specifically, this can be achieved using a straight-line channel processing technology, with its axis collinear with the extension axis of the groove 220. This structural feature ensures that the gas flow path is consistent with the movement direction of the buffer pin 10, forming an axially continuous gas channel during the pressure process.

[0065] By setting the groove 220 as a longitudinal structure extending along the first direction, the extension direction of the groove 220 is consistent with the impact direction of the buffer pin 10, thus maintaining the morphological stability of the groove 220 when the buffer part 200 is compressed and deformed. Simultaneously, the through hole 110 extends in the same direction and communicates with the groove 220, forming a straight exhaust channel parallel to the axis of motion of the buffer pin 10. This axially connected structure allows gas to be quickly discharged along a straight path when the buffer pin 10 is under pressure. The coaxial extension design of the groove 220 and the through hole 110 eliminates the bent flow channel present in traditional transverse exhaust holes, significantly reducing gas flow resistance and ensuring that the internal gas pressure of the groove 220 remains balanced with the external pressure, thereby completely eliminating the negative pressure adsorption phenomenon.

[0066] Reference Figure 1 and Figure 2 In some embodiments, the inner diameter of the through hole 110 (e.g.) Figure 2 The inner diameter R is greater than or equal to 1 mm. The inner diameter of the through hole 110 refers to the diameter of the channel that passes through the fixing part 100 and the groove 220. Specifically, a cylindrical channel structure can be used to achieve this. This size ensures that the gas flow resistance is within a reasonable range.

[0067] By limiting the inner diameter of the through hole 110 to not less than 1mm, it is ensured that the gas can be quickly discharged when the buffer pin 10 comes into contact with the stop surface 50, so as to avoid the gas passage being blocked due to the small hole diameter, which would affect the communication between the gas in the groove 220 and the outside world.

[0068] In some embodiments, along the first direction, the thickness of the buffer portion 200 (e.g.) Figure 2 (h) is greater than or equal to 2 mm and less than or equal to 3 mm. For example, the thickness of the buffer portion 200 can be one of 2.1 mm, 2.2 mm, 2.4 mm, 2.5 mm, 2.7 mm and 29 mm, or the thickness of the buffer portion 200 can be any value between 2 mm and 3 mm.

[0069] The thickness of the buffer section 200 refers to the dimension along the axial direction of the buffer pin 10, which can be achieved by using rubber or elastic polymer materials. This dimension range takes into account both structural strength and deformation space.

[0070] By controlling the thickness of the buffer portion 200 along the first direction to between 2mm and 3mm, sufficient deformation space is ensured for the buffer portion 200 to achieve the buffering function under pressure, while avoiding the problems of insufficient buffering effect due to excessive thickness or material redundancy and deformation difficulties due to excessive thickness. The combination of these two technical features optimizes the venting efficiency while taking into account the structural strength and material utilization rate of the buffer pin 10.

[0071] Reference Figure 3 In some embodiments, the abutment surface 210 has multiple protrusions 230, which are spaced apart and evenly arranged circumferentially along the opening of the groove 220. Each protrusion 230 is a protrusion extending outward from the surface of the abutment surface 210, and can be implemented using a hemispherical, prismatic, or trapezoidal cross-section structure. Its height can be set to any point within the range of 0.2 mm to 0.5 mm to form an effective gap. Circumferential spacing and even arrangement mean that the multiple protrusions 230 are arranged in a ring array around the opening of the groove 220, with equal spacing between adjacent protrusions. This can be achieved using an angular distribution, for example, one protrusion 230 is provided at 30° intervals.

[0072] By configuring the contact surface 210 with multiple protrusions 230 evenly distributed circumferentially along the opening of the groove 220, the gaps between the protrusions 230 form gas flow channels when the contact surface 210 of the buffer pin 10 contacts the stop surface 50. Air within the groove 220 can maintain communication with the external environment through these gaps, preventing negative pressure adsorption due to complete sealing of the groove 220. The circumferentially uniform arrangement of the protrusions 230 ensures that gas discharge channels exist in all directions of the contact surface, preventing gas stagnation due to a lack of gaps in localized areas. This structural design achieves a dynamic balance of air pressure inside and outside the groove 220 while ensuring a reasonable distribution of the contact area between the buffer pin 10 and the stop surface 50.

[0073] Reference Figure 4 In some embodiments, the abutment surface 210 is further provided with a groove 211, one end of the groove 211 extending in the direction of extension is connected to the opening of the groove 220, and the other end of the groove 211 extending in the direction of extension extends to communicate with the outer surface of the buffer portion 200.

[0074] The groove 211 refers to a linear recessed structure provided on the abutment surface 210. Specifically, it can be implemented using a straight or curved channel, and its depth and width are adaptively designed according to the elastic modulus of the material of the buffer part 200. This structure forms a continuous venting path from the inside of the groove 220 to the outside of the buffer part 200.

[0075] The outer surface of the buffer section 200 refers to the side area of ​​the buffer section 200 that comes into contact with the external environment. Specifically, it can be formed into an open end through machining or molding, allowing the end of the groove 211 to be directly connected to the outside air. This design ensures that gas can be continuously discharged from inside the groove 220 to the outside of the buffer pin 10.

[0076] A groove 211, connecting the opening of the groove 220 to the outer surface of the buffer portion 200, is provided on the contact surface 210 to form an auxiliary channel for gas discharge. When the contact surface 210 impacts the stop surface 50, the gas in the groove 220 can be discharged outward along the groove 211, preventing negative pressure from forming due to the closed interior of the groove 220. The two ends of the groove 211 extend to connect the opening of the groove 220 and the outer surface of the buffer portion 200, respectively, so that the gas discharge path directly runs through the inside and outside of the buffer pin 10, ensuring dynamic balance of air pressure inside and outside the groove 220. This design superimposes the groove 211 structure on the venting of the through hole 110 to form a multi-dimensional venting path, which is especially suitable for maintaining the unobstructed gas discharge channel when the contact area between the contact surface 210 and the stop surface 50 is large or the contact pressure is high.

[0077] Reference Figure 4 In some embodiments, the groove 211 extends radially along the opening of the groove 220. The groove 211 may include a plurality of grooves, which are evenly spaced circumferentially along the opening of the groove 220.

[0078] The radial extension of the groove 211 along the opening of the groove 220 means that the groove 211 extends in a straight line from the edge of the groove opening of the groove 220 towards the outer surface of the buffer portion 200. This can be achieved by machining straight channels on the contact surface 210. This design allows gas to diffuse outward from the inside of the groove 220 along the shortest path. The circumferential spacing and uniform arrangement of multiple grooves 211 along the opening of the groove 220 means that multiple grooves 211 are distributed in a ring around the edge of the groove opening of the groove 220 at equal intervals. This can be achieved by creating grooves 211 at equally spaced circumferential positions on the contact surface 210. This design ensures that gas in each area of ​​the groove 220 can be discharged through adjacent grooves 211.

[0079] By setting the groove 211 to extend radially along the opening of the groove 220, the extension direction of the groove 211 is consistent with the radial diffusion direction of the groove 220, which can more directly guide the gas in the groove 220 to the outer surface of the buffer part 200 in the radial direction, shortening the gas discharge path. By setting multiple grooves 211 that are circumferentially spaced and evenly distributed along the opening of the groove 220, the gas in the groove 220 can be discharged outward in multiple directions at the same time, avoiding the obstruction of exhaust due to local blockage or uneven contact surface pressure of a single groove 211. At the same time, the evenly distributed grooves 211 can ensure that the gas in each area of ​​the groove 220 can be discharged quickly, avoiding the formation of negative pressure in local areas due to gas retention.

[0080] Reference Figure 4 In some embodiments, the fixing part 100 may include a guide structure 120 and an annular groove 130.

[0081] The guide structure 120 is used to guide the fixing part 100 through the mounting hole on the mounting surface 22. The annular groove 130 is formed on the outer periphery of the fixing part 100 and is located between the guide structure 120 and the buffer part 200. The annular groove 130 is used to engage with the mounting hole on the mounting surface 22.

[0082] The guide structure 120 refers to a structure with a guiding function, which can be implemented using a tapered structure. The smaller diameter end of the tapered structure faces outward to facilitate insertion into the mounting hole. The annular groove 130 refers to the recessed area formed around the outer periphery of the fixing part 100. The depth of the annular groove 130 forms an interference fit with the inner wall of the mounting hole.

[0083] This technical solution achieves precise installation and reliable fixation of the buffer pin 10 through the coordinated cooperation of the guide structure 120 and the annular groove 130 in the fixing part 100. The guide structure 120, through physical guidance, allows the fixing part 100 to smoothly pass through the mounting hole, solving the problem of alignment difficulties during installation. The annular groove 130 is positioned at a specific location between the guide structure 120 and the buffer part 200. When the fixing part 100 is fully inserted into the mounting hole, the annular groove 130 forms a mechanical locking structure with the mounting hole. The concave feature of the annular groove 130 generates elastic deformation, forming a stable interference fit, thereby effectively preventing axial displacement or radial swaying of the buffer pin 10 during equipment operation. The spatial arrangement of the guide structure 120 and the annular groove 130 ensures a sequential logic of guiding and positioning before mechanical locking during installation. The axial spacing between the two avoids structural interference and ensures smooth installation operations.

[0084] Reference Figure 4In some embodiments, the guide structure 120 is a tapered structure. The tapered structure may include a small-diameter end and a large-diameter end opposite to each other along a first direction, and the outer diameter of the tapered structure gradually increases from the small-diameter end to the large-diameter end, with the small-diameter end located on the side of the large-diameter end facing away from the buffer portion 200.

[0085] The conical structure refers to a geometric shape with a continuously linear or arc-shaped gradually expanding outer surface. It can be achieved through machining or injection molding, and its outer diameter increases uniformly from the small diameter end to the large diameter end. This structure generates a self-centering effect through its gradually expanding shape, allowing the fixing part 100 to automatically adjust its position when inserted into the mounting hole.

[0086] The smaller diameter end refers to the smallest diameter portion of the tapered structure at its initial end in the installation direction. This can be achieved using rounded corners or chamfers, and its diameter is smaller than the inner diameter of the mounting hole. The smaller diameter end preferentially contacts the edge of the mounting hole to reduce initial insertion resistance. The larger diameter end refers to the largest diameter portion of the tapered structure's final end. This diameter can be the same as the main body diameter of the fixing part 100, and its diameter is equal to or slightly larger than the inner diameter of the mounting hole. The larger diameter end achieves final positioning of the fixing part 100 and the mounting hole through interference fit or elastic deformation.

[0087] By designing the guide structure 120 as a tapered structure, the problem of difficult guidance during the installation of the buffer pin 10 is solved. The small-diameter end and the large-diameter end of the tapered structure are arranged along the first direction, with the outer diameter gradually increasing from the small-diameter end to the large-diameter end. This ensures that the small-diameter end contacts the edge of the mounting hole first during installation, and the gradually expanding outer diameter guides the fixing part 100 smoothly into the mounting hole. The small-diameter end is located on the side of the large-diameter end facing away from the buffer part 200, ensuring that the guiding direction of the tapered structure is opposite to the force direction of the buffer part 200, avoiding deformation of the buffer part 200 due to force during installation and thus affecting the guiding effect. This tapered structure not only simplifies the manufacturing process but also achieves self-centering through the gradual change in physical shape, improving installation efficiency and reliability.

[0088] Reference Figure 4 , Figure 5 and Figure 6 In some embodiments, this application also provides a sliding device, which may include a sliding component 20, a slide rail 30, a driving component 40, a stop surface 50, and a buffer pin 10.

[0089] The sliding assembly 20 may include a slider 21, which has a mounting surface 22 with mounting holes. The sliding assembly 20 refers to a moving part that includes the slider 21 and the mounting surface 22, and may be made of metal or engineering plastic. The mounting surface 22 is used to fix the buffer pin 10 and is positioned through the mounting holes.

[0090] The slide rail 30 is used to guide the slider 21 to slide along the first direction. The slide rail 30 refers to the track structure that guides the slider 21 to move in a specific direction. Specifically, it can be a linear guide rail or a ball bearing slide rail 30, and its function is to provide a stable sliding path for the slider 21.

[0091] The drive assembly 40 is used to drive the slider 21 to move along a first direction. Specifically, the drive assembly 40 refers to the power device that drives the slider 21 to move; it can be a motor coupled with a lead screw or belt drive, used to control the speed and direction of the slider 21's movement.

[0092] The stop surface 50 and the slider 21 are arranged at intervals along the first direction. The stop surface 50 is a fixed plane that limits the stroke of the slider 21. It can be a metal plate or a plastic plate, and it is arranged at intervals with the slider 21 to define the endpoint of the movement.

[0093] A buffer pin 10 is disposed in the mounting hole. When the buffer pin 10 moves toward the stop surface 50 with the slider 21, the buffer portion 200 of the buffer pin 10 abuts against the stop surface 50. The buffer pin 10 is the buffer pin 10 in the above embodiment. The buffer pin 10 refers to a connecting component with a buffering function. Specifically, it can be made of elastic material. The through hole 110 penetrating the groove 220 balances the internal and external air pressure to avoid suction noise.

[0094] The directional movement control of the slider 21 is achieved by setting the slide rail 30 and the drive assembly 40, and the buffer pin 10 is fixed with the mounting hole so that it moves synchronously with the slider 21. When the buffer part 200 of the buffer pin 10 contacts the stop surface 50, the through hole 110 structure keeps the internal air pressure of the groove 220 balanced with the external air pressure, eliminating the negative pressure adsorption phenomenon caused by compression and exhaust in the traditional closed groove 220. The through hole 110 structure of the buffer pin 10 forms a gas flow channel at the moment of collision, preventing the air inside the groove 220 from being completely emptied, thereby preventing the buffer pin 10 from separating from the stop surface 50 due to adsorption and causing abnormal noise when the slider 21 returns. The spaced arrangement design of the stop surface 50 and the slider 21 ensures that the buffer pin 10 only contacts the stop surface 50 at the end of the movement, which not only ensures the buffer function but also avoids abnormal wear caused by continuous contact.

[0095] Reference Figure 4 , Figure 5 and Figure 6 In some embodiments, the surface of the stop surface 50 facing the buffer pin 10 has a plurality of spaced ribs 60, so that there is a gap between the abutting surface 210 of the buffer portion 200 and the stop surface 50 that connects the groove 220 and the outside.

[0096] The rib 60 refers to a strip-shaped or dot-shaped protrusion 230 provided on the surface of the stop surface 50. Specifically, it can be implemented by using equally spaced linear protrusions or an array of circular protrusions 230. This feature defines a local support area on the contact surface, forming a non-complete contact state when the buffer pin 10 is compressed.

[0097] The gap refers to the spatial channel formed by the interval area between adjacent ribs 60, which can be achieved by adjusting the height difference or spacing of the ribs 60. This feature creates a gas flow path, enabling pressure balance between the interior of the groove 220 and the external environment.

[0098] By setting spaced-apart ribs 60 on the stop surface 50, a completely sealed planar contact cannot be formed when the abutting surface 210 of the buffer pin 10 contacts the stop surface 50. The spaced-apart arrangement of the ribs 60 creates a specific gap structure between the abutting surface 210 and the stop surface 50. This gap structure directly connects the groove 220 to the external space, allowing gas inside the groove 220 to be continuously discharged through the gaps between the ribs 60 when the buffer pin 10 is under pressure. The spaced-apart arrangement of the ribs 60 ensures the necessary contact support area to maintain the buffering effect, and the uniform distribution of the gaps achieves a multi-channel design for gas discharge, effectively avoiding the problem of poor gas discharge caused by excessive contact in local areas. This technique creatively constructs a physical channel for gas flow by changing the physical structural characteristics of the contact interface, while ensuring the mechanical buffering function.

[0099] In some embodiments, both the buffer pin and the sliding device can be applied to a vehicle, providing a better user experience. The vehicle can be a gasoline-powered vehicle, or it can be a new energy vehicle, such as a pure electric vehicle (PEV / BEV), a range-extended electric vehicle (REEV), a hybrid electric vehicle (HEV), or a fuel cell electric vehicle. The vehicle can also be any vehicle equipped with a battery.

[0100] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A cushioning spike (10) characterized by, include: The fixing part (100) is used to fix it to the mounting surface (22) of the sliding device; A buffer portion (200) is arranged and connected to the fixing portion (100) along a first direction. The surface of the buffer portion (200) facing away from the fixing portion (100) is an abutting surface (210), which is used to abut against the stop surface (50). The abutting surface (210) is provided with a groove (220), and the opening of the groove (220) faces the abutting surface (210); The fixing part (100) has a through hole (110) communicating with the groove (220); The through hole (110) is used to discharge the gas in the groove (220) when the abutment surface (210) impacts the stop surface (50).

2. The buffer pin (10) according to claim 1, characterized in that, The groove (220) extends along the first direction, and the through hole (110) extends along the first direction and communicates with the groove (220).

3. The buffer pin (10) according to claim 1, characterized in that, The inner diameter of the through hole (110) is greater than or equal to 1 mm; And / or, Along the first direction, the thickness of the buffer portion (200) is greater than or equal to 2 mm and less than or equal to 3 mm.

4. The buffer pin (10) according to claim 1, characterized in that, The contact surface (210) has multiple protruding structures (230); The plurality of the protrusions (230) are spaced apart and evenly arranged along the circumferential direction of the groove (220).

5. The buffer pin (10) according to claim 1, characterized in that, The contact surface (210) is also provided with a groove (211), one end of the groove (211) in the extension direction is connected to the opening of the groove (220), and the other end of the groove (211) in the extension direction extends to communicate with the outer surface of the buffer part (200).

6. The buffer pin (10) according to claim 5, characterized in that, The groove (211) extends radially along the opening of the groove (220); The groove (211) includes a plurality of grooves, which are evenly arranged at intervals along the circumferential opening of the groove (220).

7. The buffer pin (10) according to claim 1, characterized in that, The fixing part (100) includes: A guide structure (120) is provided for guiding the fixing part (100) through the mounting hole on the mounting surface (22); An annular groove (130) is formed on the outer periphery of the fixing part (100) and located between the guide structure (120) and the buffer part (200). The annular groove (130) is used to engage with the mounting hole on the mounting surface (22).

8. The buffer pin (10) according to claim 7, characterized in that, The guide structure (120) is a conical structure; The tapered structure includes a small-diameter end and a large-diameter end opposite to each other along a first direction. The outer diameter of the tapered structure gradually increases from the small-diameter end to the large-diameter end. The small-diameter end is located on the side of the large-diameter end facing away from the buffer portion (200).

9. A sliding device, characterized in that, include: The sliding assembly (20) includes a slider (21) having a mounting surface (22) and a mounting hole thereon; A slide rail (30) is used to guide the slider (21) to slide along a first direction; A drive assembly (40) is used to drive the slider (21) to move along a first direction; The stop surface (50) is arranged at intervals from the slider (21) along the first direction; A buffer pin (10) is disposed in the mounting hole. When the buffer pin (10) moves toward the stop surface (50) along with the slider (21), the buffer portion (200) of the buffer pin (10) abuts against the stop surface (50). The buffer pin (10) is the buffer pin (10) according to any one of claims 1 to 8.

10. The sliding device according to claim 9, characterized in that, The stop surface (50) facing the buffer pin (10) has a plurality of spaced ribs (60) so that there is a gap between the abutting surface (210) of the buffer part (200) and the stop surface (50) that connects the groove (220) and the outside.

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