Sliding support with positioning structure

Abstract

This invention relates to the field of sliding support technology and discloses a sliding support with a positioning structure, including a slide rail, a U-shaped movable frame, and a connecting plate. The U-shaped movable frame slides inside the slide rail, and the connecting plate is fixed to the top of the U-shaped movable frame. Several V-shaped slots are formed at the bottom of the inner wall of the slide rail. A fixing plate is fixedly connected between the two sides of the inner wall of the U-shaped movable frame. A lead screw is rotatably connected to the top of the fixing plate, and the lead screw is threadedly connected to a sliding plate that can move up and down. This sliding support with a positioning structure, through the two locking components inside the U-shaped movable frame and the several V-shaped slots at the bottom of the inner wall of the slide rail, allows the locking components inside the U-shaped movable frame to automatically position and lock the U-shaped movable frame through the V-shaped slots. This effectively combines bidirectional and unidirectional positioning locking, improving the functionality of the sliding support.

Description

Technical Field

[0001] This invention relates to the field of sliding bearing technology, specifically a sliding bearing with a positioning structure. Background Technology

[0002] Sliding bearings are generally located on steel structures made of steel materials and slide. They are one of the main types of building structures. They are mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates.

[0003] Chinese invention patent application CN114164948A discloses a steel structure sliding support for civil engineering, comprising: a mounting plate, a guide rail on the upper part of the mounting plate with a mounting groove inside the guide rail, the mounting groove being U-shaped and containing a fixing section inside, and a fixing frame being L-shaped with its two sides interlocking with the mounting groove. The invention features a guide rail on the upper part of the mounting plate with a mounting groove inside, a fixing frame inside the mounting groove with interlocking with the mounting groove, a sliding wheel on the inner side of the fixing frame contacting the bottom of the mounting groove, a fixing plate on the upper part of the mounting frame sliding on the guide rail surface via the sliding wheel, a turntable on the upper part of the fixing plate, a protrusion on the bottom of the turntable, and an interlocking groove inside the turntable, the protrusion and the interlocking groove interlocking to allow the turntable to rotate stably on the turntable and facilitate adjustment.

[0004] Existing sliding bearings have limited functionality and lack positioning and locking capabilities. As a result, the stability of the sliding bearing cannot be guaranteed after it slides. Traditional sliding bearings typically use pins for positioning and locking. However, this method locks the sliding bearing in two directions, failing to provide unidirectional positioning and thus affecting its sliding motion. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a sliding support with a positioning structure that combines bidirectional and unidirectional positioning locking, improving the functionality of the sliding support. It also solves the problem that traditional sliding supports typically use pins for positioning and locking, which directly locks the sliding support in two directions and cannot provide unidirectional positioning, thus affecting the sliding motion of the support.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a sliding support with a positioning structure, comprising a slide rail frame, a U-shaped movable frame, and a connecting plate. The U-shaped movable frame slides inside the slide rail frame, and the connecting plate is fixed to the top of the U-shaped movable frame. The bottom of the inner wall of the slide rail frame is provided with several V-shaped slots. A fixing plate is fixedly connected between the two sides of the inner wall of the U-shaped movable frame. A lead screw is rotatably connected to the top of the fixing plate, and the lead screw is threadedly connected to a sliding plate that can move up and down. Both sides of the sliding plate are provided with driving components. The top of the U-shaped movable frame is provided with a movable groove. One side of the movable groove is provided with a control component for driving the two driving components, and the other side of the movable groove is provided with a rotating component for driving the lead screw to rotate.

[0009] The driving assembly includes a telescopic frame fixed inside the sliding plate. The bottom of the telescopic frame extends to the bottom of the fixed plate, and a lifting plate slides inside the telescopic frame. A locking assembly is provided at the bottom of the lifting plate. Magnet blocks for attracting the locking assembly are fixedly connected to the bottom of both sides of the telescopic frame. An inclined block is fixedly connected to the top of the lifting plate.

[0010] The locking assembly includes an L-shaped frame fixed to the bottom of the lifting plate, and an L-shaped locking block for insertion into a V-shaped slot is rotatably connected inside the L-shaped frame.

[0011] Preferably, torsion springs are fixedly connected to both sides of the L-shaped locking block, and one end of each torsion spring is fixed to the inner wall of the L-shaped frame. The L-shaped frame is made of metal, and a limiting block for limiting the L-shaped locking block is fixed inside the L-shaped frame.

[0012] Preferably, the control component includes a threaded rod rotatably connected to one side of the inner wall of the movable slot, and a movable plate sliding on the top of the inner wall of the U-shaped movable frame. The outer surface of the threaded rod is threaded with a drive block, the bottom of the drive block extends into the interior of the U-shaped movable frame, and the bottom of the drive block is fixed to the top of the movable plate.

[0013] Preferably, one end of the threaded rod extends to the outside of the movable groove, and a first internal hex nut is fixedly connected to one end of the threaded rod.

[0014] Preferably, the top of the inner wall of the U-shaped movable frame is provided with a sliding groove that communicates with the interior of the movable slot, and the drive block extends into the interior of the U-shaped movable frame through the sliding groove, and the interior of the movable plate is provided with a hollow slot.

[0015] Preferably, the top of the fixed plate is fixedly connected with four guide rods that provide vertical sliding guidance for the sliding plate, and the top ends of the four guide rods are all fixed to the top of the inner wall of the U-shaped movable frame, and the four guide rods are all slidably connected to the inside of the sliding plate.

[0016] Preferably, sliding grooves are provided on both sides of the inner wall of the slide rail frame, and a set of rollers is rotatably provided on both sides of the inner wall of the U-shaped movable frame, with the two sets of rollers located inside the two sliding grooves respectively.

[0017] Preferably, the bottom of the inner walls of both sliding grooves are fixedly connected with elastic anti-slip pads for preventing the two sets of rollers from slipping.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, the present invention provides a sliding support with a positioning structure, which has the following advantages:

[0020] 1. This invention features two locking components inside a U-shaped movable frame and several V-shaped slots on the bottom of the inner wall of the slide rail frame. This allows the locking components inside the U-shaped movable frame to automatically position and lock the frame through the V-shaped slots, eliminating the need for manual positioning and locking. Furthermore, the rotating component allows for rotation control of the lead screw, indirectly driving the two locking components up and down via the drive component, forming a bidirectional positioning and locking mechanism. Additionally, the control component allows for up and down control of one of the drive components, causing one of the locking components to move up and down, forming a unidirectional positioning and locking mechanism. This effectively combines bidirectional and unidirectional positioning and locking, improving the functionality of the sliding support.

[0021] 2. The present invention uses a torsion spring to reset the bent L-shaped locking block, ensuring its vertical stability. Furthermore, the limiting block limits the L-shaped locking block, making its downward rotation limit ninety degrees, thereby improving the stability of the locking assembly's positioning and locking.

[0022] 3. By setting two sets of rollers, this invention can further reduce the friction during the sliding process of the sliding support, thereby improving its smoothness. It solves the problem of wear and tear between the slide rail frame and the sliding support caused by long-term sliding operation, resulting in a reduced service life. The setting of two elastic anti-slip pads can improve the anti-slip effect when the two sets of rollers roll, avoiding the problem of the rollers slipping during the rolling process, and indirectly improving the sliding stability of the sliding support. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the sliding support with a positioning structure proposed in this invention;

[0024] Figure 2 For the present invention Figure 1 Schematic diagram of the U-shaped mobile frame;

[0025] Figure 3 This is a cross-sectional view of the sliding support with positioning structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 A schematic diagram of the combination of the two locking components and the V-shaped groove;

[0027] Figure 5 For the present invention Figure 3 A cross-sectional schematic diagram of the locking assembly;

[0028] Figure 6 For the present invention Figure 3 Structural sectional view of the U-shaped mobile frame;

[0029] Figure 7 For the present invention Figure 6 A schematic diagram showing the connection between the fixed plate and the sliding plate.

[0030] Figure 8 For the present invention Figure 6 A schematic diagram showing the connection between the drive assembly and the sliding plate;

[0031] Figure 9 This is a schematic diagram illustrating the bidirectional positioning and locking principle of the sliding support with a positioning structure proposed in this invention.

[0032] In the diagram: 1. Slide rail frame; 2. U-shaped moving frame; 3. Connecting plate; 4. V-shaped slot; 5. Fixing plate; 6. Lead screw; 7. Sliding plate; 8. Drive assembly; 81. Telescopic frame; 82. Lifting plate; 83. Magnet block; 84. Inclined block; 9. Movable groove; 10. Control assembly; 101. Threaded rod; 102. Movable plate; 103. Drive block; 11. Rotating assembly; 111. Rotating shaft; 112. Worm gear; 113. Worm wheel; 12. Locking assembly; 121. L-shaped frame; 122. L-shaped locking block; 123. Torsion spring; 124. Limiting block; 13. Guide rod; 14. Sliding groove; 15. Roller; 16. Elastic anti-slip pad. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Example 1:

[0035] See attached document Figure 1-9A sliding support with a positioning structure includes a slide rail frame 1, a U-shaped movable frame 2, and a connecting plate 3. The U-shaped movable frame 2 slides inside the slide rail frame 1, and the connecting plate 3 is fixed to the top of the U-shaped movable frame 2. Several V-shaped slots 4 are provided at the bottom of the inner wall of the slide rail frame 1. A fixing plate 5 is fixedly connected between the two sides of the inner wall of the U-shaped movable frame 2. A lead screw 6 is rotatably connected to the top of the fixing plate 5, and a sliding plate 7 that can move up and down is threadedly connected to the lead screw 6. Both sides of the sliding plate 7 are provided with driving components 8. A movable groove 9 is provided at the top of the U-shaped movable frame 2. A control component 10 for driving the two driving components 8 is provided on one side of the movable groove 9, and a rotating component 11 for driving the lead screw 6 to rotate is provided on the other side of the movable groove 9.

[0036] The sliding operation can be formed by the U-shaped moving frame 2 sliding inside the slide rail frame 1. Several V-shaped slots 4 are provided at the bottom of the inner wall of the slide rail frame 1 so that the locking component 12 inside the U-shaped moving frame 2 can position and lock the U-shaped moving frame 2.

[0037] By setting the rotating component 11, the lead screw 6 can be rotated and controlled. Indirectly, the two locking components 12 can be driven up and down by the drive component 8 to form a bidirectional positioning and locking operation. The rotating component 11 can directly use a motor with forward and reverse rotation function to control the rotation of the lead screw 6 so as to automatically perform the positioning and locking operation.

[0038] By controlling the settings of component 10, one of the drive components 8 can be driven up and down, causing one of the locking components 12 to move up and down, forming a one-way positioning lock, effectively combining two-way positioning lock and one-way positioning lock, and improving the functionality of the sliding support.

[0039] See attached document Figure 2-3 and Figure 6-9 The drive assembly 8 includes a telescopic frame 81 fixed inside the sliding plate 7. The bottom of the telescopic frame 81 extends to the bottom of the fixed plate 5. A lifting plate 82 is telescopically slidably inside the telescopic frame 81. A locking assembly 12 is provided at the bottom of the lifting plate 82. Magnet blocks 83 for attracting the locking assembly 12 are fixedly connected to the bottom of both sides of the telescopic frame 81. An inclined block 84 is fixedly connected to the top of the lifting plate 82.

[0040] The up-and-down movement of the sliding plate 7 can drive the telescopic frames 81 in the two drive components 8 to move up and down. The up-and-down movement of the two telescopic frames 81 can drive the two locking components 12 below to move up and down, thus forming a two-way positioning and locking operation. The lifting plate 82 slides inside the telescopic frame 81, so that the lifting plate 82 can drive the locking components 12 to move up and down independently, forming a one-way positioning and locking operation. Moreover, the setting of the magnet block 83 is used to attract the locking components 12, ensuring the stability of the contact between the locking components 12 and the bottom of the telescopic frame 81, and preventing automatic downward movement.

[0041] See attached document Figure 2-9 The locking assembly 12 includes an L-shaped frame 121 fixed to the bottom of the lifting plate 82. An L-shaped locking block 122 for inserting into the V-shaped slot 4 is rotatably connected inside the L-shaped frame 121. By fixing the L-shaped frame 121 to the bottom of the lifting plate 82, the up and down movement of the lifting plate 82 can drive the L-shaped frame 121 to move up and down. The downward movement of the L-shaped frame 121 can drive the L-shaped locking block 122 to insert into the corresponding position of the V-shaped slot 4, forming the positioning and locking operation of the sliding support. Conversely, the upward movement of the L-shaped frame 121 can drive the L-shaped locking block 122 to move upward, thereby disengaging the interior of the V-shaped slot 4 and losing the positioning and locking function, thus having a good positioning control function.

[0042] See attached document Figure 5 Both sides of the L-shaped locking block 122 are fixedly connected with torsion springs 123, and one end of each torsion spring 123 is fixed to the inner wall of the L-shaped frame 121. The L-shaped frame 121 is made of metal, and a limiting block 124 for limiting the L-shaped locking block 122 is fixed inside the L-shaped frame 121. Through the elastic force of the torsion springs 123, the bent L-shaped locking block 122 can be driven to return to its original position, ensuring the vertical stability of the L-shaped locking block 122. The V-shaped groove 4 connects to the slide rail. The frame 1 is positioned and locked, and the limit block 124 can limit the L-shaped locking block 122, so that the downward rotation limit of the L-shaped locking block 122 is ninety degrees, thereby improving the stability of the positioning and locking of the locking component 12. The L-shaped frame 121 is made of metal, which facilitates the adsorption of the magnet block 83 in the drive component 8, so that the L-shaped frame 121 is tightly located at the bottom of the telescopic frame 81, so as to perform bidirectional positioning and locking work by driving the sliding plate 7 up and down.

[0043] See attached document Figure 6The control component 10 includes a threaded rod 101 rotatably connected to one side of the inner wall of the movable groove 9, and a movable plate 102 sliding on the top of the inner wall of the U-shaped movable frame 2. The outer surface of the threaded rod 101 is threadedly connected to a drive block 103. The bottom of the drive block 103 extends into the interior of the U-shaped movable frame 2, and the bottom of the drive block 103 is fixed to the top of the movable plate 102. By rotating the threaded rod 101, the drive block 103 can be driven to move left and right. The left and right movement of the drive block 103 can drive the movable plate 102 fixed to it to move left and right. By moving the movable plate 102 left and right, the inclined surface of one of the inclined blocks 84 in the two drive components 8 can be squeezed, thereby causing the inclined block 84 to move downward, forming the downward movement of the position locking component 12, thereby forming a unidirectional positioning and locking.

[0044] See attached document Figure 6 One end of the threaded rod 101 extends to the outside of the movable groove 9, and a first internal hex nut is fixedly connected to one end of the threaded rod 101. The setting of the first internal hex nut makes it convenient for the staff to use an external hex wrench to control the rotation of the threaded rod 101, improving the convenience of its one-way positioning and locking. Moreover, the setting of the first internal hex nut can be controlled by a forward and reverse motor to form an automatic control operation, thereby facilitating the subsequent automatic one-way locking operation.

[0045] See attached document Figure 6-7 The top of the inner wall of the U-shaped movable frame 2 is provided with a sliding groove that communicates with the interior of the movable slot 9, and the drive block 103 extends into the interior of the U-shaped movable frame 2 through the sliding groove. The interior of the movable plate 102 is provided with a hollow groove. The opening of the sliding groove not only facilitates the extension of the drive block 103 into the interior of the U-shaped movable frame 2 and its fixed connection with the movable plate 102, but also facilitates the left and right sliding of the drive block 103, improving the smoothness of the left and right sliding of the movable plate 102. The opening of the hollow groove facilitates the penetration of the lead screw 6 into the movable plate 102, and avoids the lead screw 6 affecting the left and right horizontal sliding of the movable plate 102 after penetrating the movable plate 102.

[0046] See attached document Figure 7 The top of the fixed plate 5 is fixedly connected with four guide rods 13 that guide the sliding plate 7 vertically. The top ends of the four guide rods 13 are all fixed to the top of the inner wall of the U-shaped moving frame 2, and the four guide rods 13 are all slidably connected to the inside of the sliding plate 7. By setting the four guide rods 13, not only can the stability of the sliding plate 7 sliding up and down be further improved, but the sliding plate 7 is also guided during the sliding process to ensure the smoothness of the sliding plate 7 when sliding vertically, thereby strengthening its bidirectional positioning and locking effect.

[0047] When the present invention is used, when the sliding support is locked in a two-way position, the lead screw 6 is rotated by the rotating component 11. The rotation of the lead screw 6 can drive the sliding plate 7 to move up and down. The up and down movement of the two sliding plates 7 can drive the two telescopic frames 81 to move up and down. The up and down movement of the two telescopic frames 81 can drive the two locking components 12 to move up and down. By inserting the two limiting blocks 124 in the two locking components 12 into the corresponding V-shaped slots 4, a two-way positioning lock can be formed.

[0048] When the sliding support is locked in one direction, the upward movement of the sliding plate 7 can drive the two telescopic frames 81 to move upward, which in turn can drive the tilting blocks 84 on the top of the two lifting plates 82 to the position of the movable plate 102. (See details...) Figure 9 As shown by the dashed line, at this time, the two locking components 12 are moved out from the inside of the corresponding V-shaped slots 4. Then, by rotating the threaded rod 101, the drive block 103 can be driven to move left and right. The left and right movement of the drive block 103 can drive the movable plate 102 fixedly connected to it to move left and right. By moving left and right, the movable plate 102 can squeeze the inclined surface of one of the inclined blocks 84, thereby causing the inclined block 84 to move downward. The downward movement of the inclined block 84 can drive the pre-fixed lifting plate 82 to move downward, and finally drive the locking component 12 at this position to move downward. Finally, the limiting block 124 of the locking component 12 is inserted into the corresponding V-shaped slot 4 to form a unidirectional positioning lock.

[0049] Example 2: The difference from Example 1 is that;

[0050] See attached document Figure 2 , Figure 3 and Figure 6 The inner walls of the slide rail frame 1 are provided with sliding grooves 14 on both sides, and the inner walls of the U-shaped moving frame 2 are provided with a set of rollers 15 on both sides, and the two sets of rollers 15 are respectively located inside the two sliding grooves 14.

[0051] By setting two sets of rollers 15, the friction during the sliding process of the sliding support can be further reduced, thereby improving its smoothness and solving the problem of wear between the slide rail frame 1 and the sliding support and reduced service life caused by long-term sliding operation of the sliding support.

[0052] The bottom of the inner wall of each of the two sliding grooves 14 is fixedly connected with an elastic anti-slip pad 16 for preventing the two sets of rollers 15 from slipping.

[0053] By setting two elastic anti-slip pads 16, the anti-slip effect of the two sets of rollers 15 can be improved, avoiding the problem of slippage of the rollers 15 during the rolling process, which indirectly improves the stability of the sliding support. In addition, sound-absorbing pads are set on both elastic anti-slip pads 16 to reduce the noise when the rollers 15 roll.

[0054] Example 3: The difference from Example 1 is that;

[0055] See attached document Figure 6 The rotating assembly 11 includes a rotating shaft 111 rotatably connected to the other side of the inner wall of the movable groove 9, and a second internal hexagonal nut is fixedly connected to one end of the rotating shaft 111, and a worm gear 112 is fixedly connected to the other end of the rotating shaft 111. The top end of the lead screw 6 extends into the interior of the movable groove 9, and a worm wheel 113 that meshes with the worm gear 112 is fixedly connected to the top end of the lead screw 6.

[0056] By inserting an external hex wrench into the second internal hex nut, the rotating shaft 111 can be manually rotated. The rotation of the rotating shaft 111 drives the worm gear 112 to rotate, and the rotation of the worm gear 112 drives the worm wheel 113 to rotate through meshing, thereby driving the rotation of the lead screw 6, driving the sliding plate 7 up and down, and driving the two driving components 8 and the locking components 12 up and down. The downward movement of the two locking components 12 can engage with the corresponding V-shaped grooves 4 to position and lock the U-shaped moving frame 2, forming a bidirectional locking to ensure its stability. Conversely, the upward movement of the two locking components 12 can disengage from the internal contact of the V-shaped grooves 4, thereby enabling the sliding support to move.

[0057] It should be noted that the term "comprising" or any other variation thereof is 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 said element.

[0058] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sliding support with a positioning structure, comprising a slide rail frame (1), a U-shaped movable frame (2), and a connecting plate (3), wherein the U-shaped movable frame (2) slides inside the slide rail frame (1), and the connecting plate (3) is fixed to the top of the U-shaped movable frame (2), characterized in that: The bottom of the inner wall of the slide rail frame (1) is provided with several V-shaped slots (4). A fixed plate (5) is fixedly connected between the two sides of the inner wall of the U-shaped moving frame (2). A lead screw (6) is rotatably connected to the top of the fixed plate (5). A sliding plate (7) that can move up and down is threadedly connected to the lead screw (6). A drive assembly (8) is provided on both sides of the sliding plate (7). A movable groove (9) is provided on the top of the U-shaped moving frame (2). A control assembly (10) for driving the two drive assemblies (8) is provided on one side of the movable groove (9). A rotating assembly (11) for driving the lead screw (6) to rotate is provided on the other side of the movable groove (9). The drive assembly (8) includes a telescopic frame (81) fixed inside the sliding plate (7). The bottom of the telescopic frame (81) extends to the bottom of the fixed plate (5). A lifting plate (82) is telescopically slid inside the telescopic frame (81). A locking assembly (12) is provided at the bottom of the lifting plate (82). Magnet blocks (83) for attracting the locking assembly (12) are fixedly connected to the bottom of both sides of the telescopic frame (81). An inclined block (84) is fixedly connected to the top of the lifting plate (82). The locking assembly (12) includes an L-shaped frame (121) fixed to the bottom of the lifting plate (82), and an L-shaped locking block (122) for inserting into the V-shaped slot (4) is rotatably connected inside the L-shaped frame (121).

2. A sliding support with a positioning structure according to claim 1, characterized in that: Both sides of the L-shaped locking block (122) are fixedly connected with torsion springs (123), and one end of each torsion spring (123) is fixedly fixed to the inner wall of the L-shaped frame (121). The L-shaped frame (121) is made of metal, and a limiting block (124) for limiting the L-shaped locking block (122) is fixed inside the L-shaped frame (121).

3. A sliding support with a positioning structure according to claim 1, characterized in that: The control component (10) includes a threaded rod (101) rotatably connected to one side of the inner wall of the movable groove (9), and a movable plate (102) sliding on the top of the inner wall of the U-shaped movable frame (2). The outer surface of the threaded rod (101) is threadedly connected to a drive block (103). The bottom of the drive block (103) extends into the interior of the U-shaped movable frame (2), and the bottom of the drive block (103) is fixed to the top of the movable plate (102).

4. A sliding support with a positioning structure according to claim 3, characterized in that: One end of the threaded rod (101) extends to the outside of the movable groove (9), and a first internal hex nut is fixedly connected to one end of the threaded rod (101).

5. A sliding support with a positioning structure according to claim 4, characterized in that: The top of the inner wall of the U-shaped mobile frame (2) is provided with a sliding groove that communicates with the interior of the movable slot (9), and the drive block (103) extends into the interior of the U-shaped mobile frame (2) through the sliding groove. The interior of the movable plate (102) is provided with a hollow slot.

6. A sliding support with a positioning structure according to claim 1, characterized in that: The top of the fixed plate (5) is fixedly connected with four guide rods (13) that vertically guide the sliding plate (7), and the top ends of the four guide rods (13) are all fixed to the top of the inner wall of the U-shaped moving frame (2), and the four guide rods (13) are all slidably connected to the inside of the sliding plate (7).

7. A sliding support with a positioning structure according to claim 1, characterized in that: The inner walls of the slide rail frame (1) are provided with sliding grooves (14) on both sides, and the inner walls of the U-shaped moving frame (2) are provided with a set of rollers (15) on both sides, and the two sets of rollers (15) are respectively located inside the two sliding grooves (14).

8. A sliding support with a positioning structure according to claim 7, characterized in that: The bottom of the inner walls of the two sliding grooves (14) are fixedly connected with elastic anti-slip pads (16) for preventing the two sets of rollers (15) from slipping.

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