Sliding structure smooth in operation

Abstract

The utility model discloses a sliding structure capable of running smoothly, which belongs to the technical field of automobile accessories and comprises a sliding groove, a sliding channel arranged along the length direction of the sliding groove is arranged in the sliding groove, a sliding seat and a screw rod for driving the sliding seat to translate along the sliding channel are arranged in the sliding channel, the top surface of the sliding seat is connected with a cantilever, and the cantilever is connected with the sliding groove. A guide rail is arranged on the inner wall of the sliding groove, a groove is formed in the sliding base, and the guide rail extends into the groove. According to the sliding structure which runs smoothly, the original large cylindrical sliding contact surface is changed into a small-area contact form that the sliding chute is matched with the sliding seat, so that the friction coefficient is greatly reduced.

Description

Technical Field

[0001] This utility model specifically relates to a smooth-running sliding structure, belonging to the field of automotive parts technology. Background Technology

[0002] In the automotive manufacturing industry, door limiters are key components ensuring the stability and safety of car doors during opening and closing. Their performance directly impacts user experience and driving safety. Currently, some car door limiters use a nut-slide rail structure to achieve limiting and guiding functions, but this structure has significant drawbacks. Due to the large contact area between the nut and the slide rail, the coefficient of friction increases, causing the nut to slide unevenly when the door opens and closes. This not only reduces transmission efficiency but also causes problems such as jamming and abnormal noise, affecting the user experience. At the same time, the long cantilever structure from the strut to the connection point between the screw and the nut means that the nut bears a large external force when the door is frequently opened and closed, accelerating nut wear and shortening the limiter's lifespan. Furthermore, the high assembly precision requirements due to the large contact area between the nut and the slide rail, and between the nut and the screw, increase production difficulty and cost. Assembly errors can easily lead to transmission jamming, potentially causing safety hazards such as abnormal door opening during driving. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a smooth-running sliding structure to reduce wear and thus extend service life.

[0004] A smoothly operating sliding structure includes a slide groove with a sliding channel extending along its length. A slide block and a lead screw for driving the slide block to translate along the sliding channel are installed inside the sliding channel. A cantilever is connected to the top surface of the slide block. A guide rail is provided on the inner wall of the slide groove. A groove is formed on the slide block, and the guide rail extends into the interior of the groove.

[0005] Furthermore, the slide is threaded onto the lead screw.

[0006] Furthermore, the slide block has a through hole, the inner wall of the through hole has an internal thread, and the outer wall of the lead screw has an internal thread that matches the external thread.

[0007] Furthermore, the guide rails are disposed on the left and right sides of the inner wall of the slide groove, and the guide rails extend along the length direction of the slide groove.

[0008] Furthermore, the grooves are symmetrically formed on the slide block, and the inner wall of the grooves fits against the outer wall of the guide rail.

[0009] Furthermore, the inner wall of the groove is rounded, and the shape and size of the guide rail are adapted to the groove.

[0010] Furthermore, the cantilever is perpendicular to the lead screw.

[0011] Furthermore, the slide block is provided with a mounting groove, and the cantilever is installed inside the mounting groove.

[0012] Beneficial effects:

[0013] 1. This utility model changes the contact method from sliding on a large cylindrical surface to sliding on a groove, significantly reducing the contact area and thus significantly lowering the coefficient of friction. The design of the slide block, guide rail, and groove further reduces frictional resistance, making the slide block slide more smoothly and stably, avoiding the jamming and uneven sliding problems caused by high friction in traditional structures, and improving the stability of the transmission system.

[0014] 2. This utility model shortens the distance between the slide rail and the support rod, reduces the cantilever length, optimizes the force transmission path, and makes the force on the slide more reasonable. Compared with the traditional structure, the external force borne by the slide is greatly reduced, slowing down the wear rate of components such as the slide and guide rail, effectively extending the service life of the entire sliding mechanism, and reducing maintenance costs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of a sliding structure in the prior art;

[0018] Figure 4 This is a front view structural diagram of the present utility model;

[0019] Figure 5 This is a front view schematic diagram of a sliding structure in the prior art.

[0020] In the diagram: 1. Slide groove; 2. Slide block; 3. Guide rail; 4. Groove; 5. Lead screw; 6. Cantilever; 7. Mounting slot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5As shown, a smoothly operating sliding structure can be applied to, but is not limited to, electric door limiters. It includes a slide groove 1 with a sliding channel extending along its length. Inside the sliding channel, a slide block 2 and a lead screw 5 drive the slide block 2 to move along the sliding channel are installed. A cantilever 6 is connected to the top surface of the slide block 2. A guide rail 3 is provided on the inner wall of the slide groove 1. A groove 4 is provided on the slide block 2, and the guide rail 3 extends into the interior of the groove 4.

[0023] Specifically, the sliding channel within the groove 1 provides guiding space for the translation of the slide block 2. When the lead screw 5 rotates, it drives the slide block 2 to move along the sliding channel, thus achieving the sliding function. The cantilever 6 connected to the top surface of the slide block 2 can be used to connect other components, such as the strut in a car door limiter. The guide rail 3 on the inner wall of the groove 1 extends into the groove 4 of the slide block 2, limiting the offset of the slide block 2 during movement and ensuring that it slides smoothly along the predetermined direction. Through the cooperation between the groove 1 and the slide block 2, compared with the traditional cylindrical sliding contact large surface structure, the contact area is reduced, thereby reducing the coefficient of friction, making the sliding of the slide block 2 more stable and improving the transmission efficiency. The cooperation between the guide rail 3 and the groove 4 enhances the guidance and stability of the sliding structure, reduces shaking and jamming during operation, reduces abnormal noise caused by friction, and improves the user experience. At the same time, this structural design simplifies the assembly process, reduces the requirements for assembly precision, and reduces the risk of transmission jamming.

[0024] As a technical optimization of this utility model, the slide block 2 is threadedly connected to the lead screw 5.

[0025] Specifically, the seat 2 is threaded to the lead screw 5. When the lead screw 5 rotates, according to the principle of thread transmission, the slide 2 will make a linear translational motion in the sliding channel of the slide groove 1 along the axial direction of the lead screw 5.

[0026] As a technical optimization of this utility model, the slide block 2 is provided with a through hole, the inner wall of the through hole is provided with an internal thread, and the outer wall of the lead screw 5 is provided with an internal thread that matches the external thread.

[0027] Specifically, the internal thread on the inner wall of the through hole of the slide 2 meshes with the external thread on the outer wall of the lead screw 5. When the lead screw 5 rotates, the engagement of the internal and external threads causes the slide 2 to translate along the lead screw 5. This thread structure design ensures a stable transmission relationship between the lead screw 5 and the slide 2.

[0028] As a technical optimization of this utility model, the guide rail 3 is disposed on the left and right sides of the inner wall of the slide groove 1, and the guide rail 3 extends along the length direction of the slide groove 1.

[0029] Specifically, the guide rails 3 are set on the left and right sides of the inner wall of the slide groove 1 and extend along the length of the slide groove 1. The symmetrical grooves 4 on the slide block 2 cooperate with the guide rails 3. During the translation of the slide block 2, the guide rails 3 on the left and right sides together constrain and guide the slide block 2, so that the slide block 2 can only move in the sliding channel along the direction of the guide rails 3.

[0030] As a technical optimization of this utility model, the groove 4 is symmetrically opened on the slide 2, and the inner wall of the groove 4 fits against the outer wall of the guide rail 3.

[0031] Specifically, the inner wall of the groove 4 fits against the outer wall of the guide rail 3, making the friction between the groove 4 and the guide rail 3 more evenly distributed when the slide 2 moves horizontally. This allows the slide 2 to move more smoothly along the guide rail 3, reducing local wear and jamming caused by uneven contact.

[0032] As a technical optimization of this utility model, the inner wall of the groove 4 is provided with rounded corners, and the shape and size of the guide rail 3 are adapted to the groove 4.

[0033] Specifically, the rounded corner design of the inner wall of the groove 4 reduces the stress concentration phenomenon when the slide 2 contacts the guide rail 3 during movement, making the contact between the slide 2 and the guide rail 3 smoother and more seamless; the guide rail 3 and the groove 4 are matched in shape and size, ensuring a stable fit between the two and ensuring that the slide 2 moves smoothly along the guide rail 3.

[0034] As a technical optimization of this utility model, the cantilever 6 is perpendicular to the lead screw 5.

[0035] Specifically, the cantilever 6 is perpendicular to the lead screw 5. This vertical structure design makes the force transmission more direct and stable when the car door is opened and closed in the car door limiter, reducing the force decomposition and loss caused by unreasonable angle, while ensuring the force balance of the slide 2 on the lead screw 5.

[0036] As a technical optimization of this utility model, the slide block 2 is provided with an installation groove 7, and the cantilever 6 is installed inside the installation groove 7.

[0037] Specifically, the structural mounting groove 7 opened on the slide 2 provides installation space for the cantilever 6, so that the cantilever 6 can be stably installed on the slide 2, ensuring the connection strength between the cantilever 6 and the slide 2, and reliably transmitting force and movement during the opening and closing of the car door.

[0038] Working principle: This smoothly operating sliding structure uses the slide groove 1 as its basic frame. The sliding channel opened along the length of the groove provides a guiding path for the movement of the slide block 2. The lead screw 5 passes through the groove and is threadedly connected to the slide block 2. The internal thread of the slide block 2's through hole meshes with the external thread of the lead screw 5. When the lead screw 5 rotates, it uses the principle of thread transmission to convert its rotational motion into the linear translational motion of the slide block 2 along the sliding channel.

[0039] The symmetrical grooves 4 on the slide block 2 cooperate with the guide rails 3 extending along the length of the inner wall of the slide groove 1 on both sides. The guide rails 3 are embedded in the grooves 4, constraining and guiding the movement of the slide block 2, ensuring that the slide block 2 will not deviate during movement and will always slide smoothly along the predetermined direction. The cantilever 6, which is vertically connected to the top surface of the slide block 2, is installed in the structural mounting groove 7 on the slide block 2 and is used to connect components such as the strut in the car door limiter, realizing the transmission of force and motion control during the opening and closing of the car door. The rounded corner design of the inner wall of the groove 4 reduces the stress concentration when in contact with the guide rail 3, making the contact between the slide block 2 and the guide rail 3 smoother and more seamless, further ensuring the stability of the sliding process.

[0040] Instead of the traditional cylindrical sliding contact surface, a sliding structure with a groove 1 and a slide block 2 is adopted. The groove 1 has a sliding channel along its length to guide the movement of the slide block 2. The lead screw 5 passes through it and is connected to the slide block 2 via a threaded drive. When the lead screw 5 rotates, the slide block 2 will make a linear translational movement along the axis of the lead screw 5 within the sliding channel.

[0041] The guide rails 3 on both sides of the inner wall of the slide 1 cooperate with the symmetrical grooves 4 on the slide block 2. The guide rails 3 are embedded in the grooves 4, constraining and guiding the movement direction of the slide block 2, ensuring smooth sliding. The cantilever 6 vertically connected to the top surface of the slide block 2 shortens the connection distance with the support rod and optimizes the force transmission path. When the door opens and closes, causing the support rod to move, the force is transmitted to the slide block 2 through the cantilever 6. Due to the reduced cantilever length, the external force on the slide block 2 is more concentrated and reasonable. At the same time, the rounded corner design of the inner wall of the groove 4 reduces the stress concentration when the slide block 2 contacts the guide rail 3, further ensuring the smoothness of the sliding process and reducing friction loss.

[0042] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0043] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A smoothly operating sliding structure, characterized in that, Includes a slide groove (1), which has a sliding channel opened along its length. Inside the sliding channel, a slide block (2) and a lead screw (5) for driving the slide block (2) to translate along the sliding channel are installed. A cantilever (6) is connected to the top surface of the slide block (2). A guide rail (3) is provided on the inner wall of the slide groove (1). A groove (4) is opened on the slide block (2). The guide rail (3) extends into the interior of the groove (4).

2. The smoothly operating sliding structure as described in claim 1, characterized in that: The slide (2) is threaded onto the lead screw (5).

3. The smoothly operating sliding structure as described in claim 2, characterized in that: The slide block (2) has a through hole, the inner wall of the through hole is provided with an internal thread, and the outer wall of the lead screw (5) is provided with an internal thread that matches the external thread.

4. The smoothly operating sliding structure as described in claim 1, characterized in that: The guide rail (3) is disposed on the left and right sides of the inner wall of the slide groove (1), and the guide rail (3) extends along the length direction of the slide groove (1).

5. The smoothly operating sliding structure as described in claim 4, characterized in that: The groove (4) is symmetrically opened on the slide (2), and the inner wall of the groove (4) fits against the outer wall of the guide rail (3).

6. The smoothly operating sliding structure as described in claim 4, characterized in that: The inner wall of the groove (4) is provided with rounded corners, and the shape and size of the guide rail (3) are adapted to the groove (4).

7. The smoothly operating sliding structure as described in claim 1, characterized in that: The cantilever (6) is perpendicular to the lead screw (5).

8. The smoothly operating sliding structure as described in claim 1, characterized in that: The slide (2) has an installation groove (7), and the cantilever (6) is installed inside the installation groove (7).

Images