Sliding rail fixing seat and sliding rail matched with sliding rail fixing seat

Abstract

The utility model discloses a sliding rail fixing seat which comprises a base, a left clamping groove, a right clamping groove and a convex part, the left clamping groove and the right clamping groove are symmetrical, and an upper protrusion is located in the middle of the upper end of the convex part. In addition, due to the convex piece structure and the supporting ribs of the left clamping groove and the right clamping groove, the material cost is greatly reduced. On the other hand, the utility model discloses a sliding rail matched with the sliding rail fixing seat, which comprises a combination of a first guide rail, a second guide rail and a guide rail connecting piece, the rail is easy to bend through the combination, the production process is simplified, a bottom groove at the bottom of the guide rail connecting piece can accommodate a fixing screw, the influence on pulley running is avoided, and the center of the guide rail connecting piece is conveniently and accurately found; and the silent rail and other structures are further arranged, so that the pulleys and the belt run more smoothly and quietly.

Description

Technical Field

[0001] The utility model relates to the technical field of curtain fixing seats and slide rails, and in particular to a slide rail fixing seat and a slide rail matched with the slide rail fixing seat. Background Art

[0002] When fixing the sliding rail, the curtain fixing seat in the prior art often causes the fixing seat and the sliding rail to fall off due to frequent use of the curtain. This is even more common in electric curtains. The motor generates high-frequency vibration, which causes the sliding rail to loosen. If the motor becomes loose during operation, it is easy to cause safety accidents such as fire. Therefore, after a period of use, the fixing seat needs to be replaced or glued to enhance the fixation. Such maintenance often causes inconvenience to users. Utility Model Content

[0003] The main purpose of the utility model is to provide a slide rail fixing seat and a slide rail adapted to the slide rail fixing seat, aiming to solve the problem that the existing curtain fixing seat is easy to fall off from the slide rail and affect the use.

[0004] To achieve the above-mentioned purpose, the utility model provides a slide rail fixing seat on one hand, including a base, characterized in that it also includes a left snap-fitting groove, a right snap-fitting groove and a convex part arranged on the base, the left snap-fitting groove is symmetrical with the right snap-fitting groove, the left snap-fitting groove is "L"-shaped, the convex part is arranged at the upper end of the base, the convex part includes an upper protrusion and two lower protrusions, the upper protrusion is located in the middle position of the upper end of the convex part, the two lower protrusions are located on both sides of the lower end of the convex part and are symmetrically arranged along the middle, the lower protrusion at the left end is closer to the left snap-fitting groove than the upper protrusion, and the lower protrusion at the right end is closer to the right snap-fitting groove than the upper protrusion, and the highest point of the upper protrusion is flush with the highest positions of the left snap-fitting groove and the right snap-fitting groove.

[0005] Preferably, an embedding groove extending in the horizontal direction is provided at the right angles of the left engaging groove and the right engaging groove.

[0006] Preferably, the left engaging groove and the right engaging groove are both provided with embedded supports in the horizontal direction.

[0007] Preferably, the built-in support is a chair-like structure, including a vertical back, a horizontal seat and fixed legs, the vertical back is connected to the horizontal seat and protrudes downward in the vertical direction, and the horizontal seat is connected to the fixed legs in the form of a trapezoidal platform.

[0008] Preferably, a plurality of wedge-shaped columns are provided in the vertical direction of the left engaging groove and the right engaging groove.

[0009] Preferably, the interior of the left engaging groove in the vertical direction is hollow and is provided with at least one supporting rib, and the interior of the right engaging groove in the vertical direction is hollow and is provided with at least one supporting rib.

[0010] Preferably, it also includes a transmission body, which is connected to the base, and the transmission body is provided with horizontally placed rollers and belt grooves, and the base is provided with a through hole for the belt to pass through at a position opposite to the belt groove.

[0011] On the other hand, the utility model provides a slide rail adapted to a slide rail fixing seat, comprising a first guide rail, a second guide rail, and a guide rail connector connecting the first guide rail and the second guide rail, wherein the first guide rail and the second guide rail are both provided with a bent top frame at the top, and the first guide rail and the second guide rail are both provided with a bent bottom frame at the bottom; a top protrusion is provided at the upper part of the guide rail connector, a first protrusion and a second protrusion are respectively provided at both sides of the top protrusion, and a groove is formed between the top protrusion and the first protrusion, and between the top protrusion and the second protrusion; a bottom protrusion is provided at the lower part of the guide rail connector, a bottom groove is provided in the middle of the bottom protrusion, a third protrusion and a fourth protrusion are respectively provided at both sides of the bottom protrusion, and a groove is formed between the bottom protrusion and the third protrusion, and between the bottom protrusion and the fourth protrusion; the first guide rail is provided with a left fixing groove matching the first protrusion and the third protrusion, and the second guide rail is provided with a right fixing groove matching the second protrusion and the fourth protrusion; the first guide rail, the second guide rail and the guide rail connector can be embedded in the slide rail fixing seat as any of the above technical solutions.

[0012] Preferably, the upper walls of the base frames of the first guide rail and the second guide rail are both provided with upper wall protrusions, the lower walls of the base frames of the first guide rail and the second guide rail are both provided with lower wall protrusions, and the lower walls of the base frames of the first guide rail and the second guide rail are both provided with silent rails, the silent rails are in an "L"-shaped structure, the vertical part of the silent rails is in contact with the lower wall protrusions, the horizontal part of the silent rails is laid on the lower wall of the base, and the lower wall protrusions and at least a portion of the lower wall of the base form a retracting structure that engages the silent rails.

[0013] Preferably, a bottom wire groove is provided on the bottom groove, and a bottom frame extension plate extending outwardly in a horizontal direction is also provided on the lower part of the bottom frame.

[0014] The beneficial effects of the technical solution of the utility model are as follows: on the one hand, for the slide rail fixing seat, firstly, by adding a left engaging groove, a right engaging groove and a convex part to the slide rail fixing seat, the slide rail is subjected to more pressure when engaged and embedded, and the unique structural design of the convex part increases the contact area with the slide rail, thereby enhancing the friction. The structure of the convex part is a stable mountain-shaped or tripod-shaped structure in comparison, which can withstand greater pressure from the upper end, and since no material is used at the lower end of the convex part, the production cost is also saved; secondly, the left engaging groove and the right engaging groove are both provided at right angles with an embedding groove extending in the horizontal direction, and an embedded support is provided in the horizontal direction, which is suitable for more types of slide rails and further increases the contact area with the slide rail; thirdly, the left engaging groove and the right engaging groove are both provided with a plurality of wedge-shaped columns in the vertical direction, which increases the pressure on the slide rail and thereby enhances the fixing effect; finally, the left engaging groove and the right engaging groove are hollow inside in the vertical direction, and are provided with at least one supporting rib, which saves material without weakening the strength.

[0015] On the other hand, for the slide rail adapted to the slide rail fixing seat, the slide rail is split into three parts: the first guide rail, the second guide rail and the guide rail connector. The split connection method can make the overall bending performance of the track better and the process is simpler. Secondly, the guide rail connector is provided with a plurality of protrusions, which can be well embedded with the guide rail without abnormal separation. The bottom groove is provided to accommodate the fixing screws, so as not to affect the travel of the pulley. The setting of the wire groove can facilitate the accurate finding of the center position of the guide rail connector during installation, making the overall appearance. Finally, the utility model also provides structures such as silent rails, which make the operation of the pulleys and belts smoother and quieter, and improve the product use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of a slide rail fixing seat of the present application;

[0018] Figure 2 This is a structural schematic diagram of another implementation method of a slide rail fixing seat of the present application (adding an embedded support);

[0019] Figure 3 This is a structural schematic diagram of another implementation mode (adding a transmission body) of a slide rail fixing seat of the present application;

[0020] Figure 4 This is a schematic structural diagram of another embodiment of a slide rail fixing seat of the present application (adding a transmission body) from other perspectives;

[0021] Figure 5 This is a schematic diagram of the structure of a slide rail adapted to a slide rail fixing seat of the present application;

[0022] Figure 6 This is a structural schematic diagram of a guide rail connector of a slide rail adapted to a slide rail fixing seat of the present application;

[0023] Figure 7 This is a schematic diagram of the assembly of a slide rail fixing seat and a slide rail adapted to the slide rail fixing seat according to the present application;

[0024] Figure 8 This is a schematic assembly diagram of another embodiment of a slide rail fixing seat and a slide rail adapted to the slide rail fixing seat of the present application;

[0025] The following are the descriptions of the reference numerals:

[0026] 10. Base; 11. Left snap-fit ​​slot; 12. Right snap-fit ​​slot;

[0027] 13. convex part; 131. upper protrusion; 132. lower protrusion;

[0028] 14. Embedded slot;

[0029] 15. Built-in support; 151. Vertical back; 152. Horizontal seat; 153. Fixed foot;

[0030] 16. Support ribs;

[0031] 17. Passage hole;

[0032] 20. Transmission body;

[0033] 31. first guide rail; 311. left fixing groove;

[0034] 32. Second guide rail; 321. Right fixing groove;

[0035] 33, guide rail connector; 331, top protrusion; 332, first protrusion; 333, second protrusion; 334, bottom protrusion; 335, third protrusion; 336, fourth protrusion; 337, bottom groove; 338, bottom wire groove;

[0036] 40. Top rack;

[0037] 50. bottom frame; 51. upper wall protrusion; 52. lower wall protrusion;

[0038] 60. Silent track.

[0039] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0043] refer to Figure 1 The present application provides a slide rail fixing seat, including a base 10, characterized in that it also includes a left snap-fitting groove 11, a right snap-fitting groove 12 and a convex part 13 arranged on the base 10, the left snap-fitting groove 11 is symmetrical with the right snap-fitting groove 12, the left snap-fitting groove 11 is "L"-shaped, the convex part 13 is arranged at the upper end of the base 10, the convex part 13 includes an upper protrusion 131 and two lower protrusions 132, the upper protrusion 131 is located in the middle position of the upper end of the convex part 13, the two lower protrusions 132 are located on both sides of the lower end of the convex part 13 and are symmetrically arranged along the middle, the lower protrusion 132 at the left end is closer to the left snap-fitting groove 11 than the upper protrusion 131, and the lower protrusion 132 at the right end is closer to the right snap-fitting groove 12 than the upper protrusion 131, and the highest point of the upper protrusion 131 is flush with the highest positions of the left snap-fitting groove 11 and the right snap-fitting groove 12.

[0044] The left engaging groove 11 and the right engaging groove 12 of the slide rail fixing seat apply pressure inwardly, and the convex part 13 applies pressure outwardly, so that the slide rail can be firmly fixed when it is engaged and embedded. In addition, the structural design of the convex part 13 increases the contact area with the slide rail and thus enhances the friction, making it less likely to fall off after installation. The structure of the convex part 13 is a stable mountain-shaped or tripod-shaped structure that can withstand greater pressure from the upper end. Moreover, since no material is used at the lower end of the convex part 13, material costs can also be saved during processing.

[0045] In some specific embodiments, reference Figure 1 to Figure 2 The left snap-fitting groove 11 and the right snap-fitting groove 12 are both provided with an embedding groove 14 extending in the horizontal direction at the right angles. The embedding groove 14 is used to adapt to more types of slide rails, especially slide rails with an extension plate at the bottom. The embedded groove 14 further increases the contact area with the slide rail and enhances the fixing effect.

[0046] In some specific embodiments, such as Figure 2 As shown, the left engaging groove 11 and the right engaging groove 12 are both provided with an embedded support 15 in the horizontal direction. The embedded support 15 is mainly used to further increase the contact area with the slide rail and enhance the fixing effect. In some other embodiments, the embedded support 15 is also adapted to the shape of the slide rail. Specifically, the embedded support 15 is a chair-shaped structure, including a vertical back 151, a horizontal seat 152 and a fixed leg 153. The vertical back 151 is connected to the horizontal seat 152 and protrudes downward in the vertical direction. The horizontal seat 152 is connected to the fixed leg 153 in the form of a trapezoidal platform.

[0047] In some specific implementations, a plurality of wedge-shaped columns are provided in the vertical direction of the left engaging groove 11 and the right engaging groove 12 , and the wedge-shaped columns are used to further increase the inward pressure of the left engaging groove 11 and the right engaging groove 12 to enhance the stabilizing effect.

[0048] In some specific embodiments, the left snap-fitting groove 11 is hollow in the vertical direction and is provided with at least one supporting rib 16, and the right snap-fitting groove 12 is hollow in the vertical direction and is provided with at least one supporting rib 16. The hollow structure of the left snap-fitting groove 11 and the right snap-fitting groove 12 saves materials, and the effect of not weakening the strength is achieved by providing the supporting ribs 16.

[0049] In some specific embodiments, such as Figure 3 to Figure 4As shown, it also includes a transmission body 20, which is connected to the base 10, and a horizontally placed roller and a belt groove are provided in the transmission body 20, and a through hole 17 for the belt to pass through is provided at a position opposite to the belt groove of the base 10. The implementation method without the transmission body 20 is suitable for the situation where only the end of the guide rail needs to be restricted and fixed, and the use scenario is more often assembled on a manual curtain track. In the scenario including the transmission body 20, because the transmission body 20 is provided with a horizontally placed roller and a belt groove, the transmission belt can enter the belt groove of the transmission body 20 from the external guide rail through the through hole 17 on the base 10, and be transported to the belt groove at the other end by the rotation of the roller, so the slide rail fixing seat including the transmission body 20 can be applied to the situation of electric curtain rails.

[0050] In some specific implementations, the guide rail fixing seat may be made of one or a combination of materials such as plastic and metal, and a preferred solution is to use plastic or aluminum alloy.

[0051] The present application also provides a slide rail adapted to a slide rail fixing seat, and the slide rail can be embedded in the slide rail fixing seat of any of the above technical solutions. In some specific implementations, such as Figure 5 As shown, the slide rail adapted to the slide rail fixing seat includes a first guide rail 31, a second guide rail 32, and a guide rail connector 33 connecting the first guide rail 31 and the second guide rail 32. The first guide rail 31, the second guide rail 32, and the guide rail connector 33 are all independent structures and are assembled when the guide rails need to be installed. The tops of the first guide rail 31 and the second guide rail 32 are both provided with a bent top frame 40, and the bottoms of the first guide rail 31 and the second guide rail 32 are both provided with a bent bottom frame 50. Figure 7 As shown, a top protrusion 331 is provided at the upper part of the guide rail connector 33, and a first protrusion 332 and a second protrusion 333 are provided on both sides of the top protrusion 331, and grooves are formed between the top protrusion 331 and the first protrusion 332, and between the top protrusion 331 and the second protrusion 333. A bottom protrusion 334 is provided at the lower part of the guide rail connector 33, and a bottom groove 337 is provided in the middle of the bottom protrusion 334, and a third protrusion 335 and a fourth protrusion 336 are provided on both sides of the bottom protrusion 334, and grooves are formed between the bottom protrusion 334 and the third protrusion 335, and between the bottom protrusion 334 and the fourth protrusion 336.

[0052] The first guide rail 31 is provided with a left fixing groove 311 matching the first protrusion 332 and the third protrusion 335, and the second guide rail 32 is provided with a right fixing groove 321 matching the second protrusion 333 and the fourth protrusion 336. The left fixing groove 311 and the right fixing groove 321 are respectively engaged with the guide rail connector 33, so that the guide rail and the guide rail connector 33 can be firmly connected.

[0053] When the present slide rail is fixed with screws, the screws can be aligned with the middle of the bottom groove 337 of the guide rail connector 33 for fixing, and the screws will penetrate the guide rail connector 33 from bottom to top and be driven into the wall. After installation, due to the existence of the bottom groove 337, the nut part of the screw can penetrate into the inside of the bottom groove 337, that is, the bottom end of the nut will not exceed the bottom end of the bottom protrusion 334, and no abnormal protrusion will be generated to affect the normal travel of the pulley at the lower end.

[0054] The fixing seat and the slide rail are fixed in the following manner: first, the parts of the slide rail are assembled, the left fixing groove 311 on the first guide rail 31 is aligned with the first protrusion 332 and the third protrusion 335 and inserted, and the right fixing groove 321 on the second guide rail 32 is aligned with the second protrusion 333 and the fourth protrusion 336 and inserted. After the slide rail is assembled, insert the slide rail into the fixing seat, see Figures 7 and 8 The left fixing groove 311, the right fixing groove 321 and the guide rail connecting member 33 of the slide rail are inserted directly below the convex member 13, and the top frame 40 of the slide rail is inserted into the position between the left engaging groove 11, the right engaging groove 12 and the convex member 13, and the remaining parts can be fully aligned and matched.

[0055] In some specific embodiments, the upper wall of the base frame 50 of the first guide rail 31 and the second guide rail 32 is provided with an upper wall protrusion 51, the lower wall of the base frame 50 of the first guide rail 31 and the second guide rail 32 is provided with a lower wall protrusion 52, and the lower wall of the base frame 50 of the first guide rail 31 and the second guide rail 32 is provided with a silent rail 60, the silent rail 60 is in an "L" shape, the vertical part of the silent rail 60 is in contact with the lower wall protrusion 52, the horizontal part of the silent rail 60 is laid on the lower wall of the base frame 50, and the lower wall protrusion 52 and at least a part of the lower wall of the base frame 50 form a folding structure for engaging the silent rail 60. Specifically, the upper end of the lower wall protrusion 52 has a rotation angle for folding the silent rail 60, and the lower end of the lower wall protrusion 52 has a groove at a right angle for folding the silent rail 60, and the silent rail 60 can be provided with a protruding structure to better achieve a fixing effect. In some other specific embodiments, the structure of fixing the silent rail 60 on the base frame 50 of the first guide rail 31 and the second guide rail 32 can also be used to fix the embedded support 15. The cross-sectional shape of the embedded support 15 is similar to the cross-sectional shape of the silent rail 60, which can enhance the fixing effect and reduce the sound. The silent rail 60 can be made of resin, plastic or other shock-absorbing materials with a small friction coefficient. The embedded support 15 can be made of the same material as the silent rail 60, or it can be consistent with the material used in the left snap-fit ​​groove 11 and the right snap-fit ​​groove 12.

[0056] In some specific embodiments, a bottom wire groove 338 is provided on the bottom groove 337 of the slide rail, and a bottom extension plate of the bottom frame 50 is also provided in the horizontal direction and outwardly arranged at the bottom of the bottom frame 50. In order to enable construction personnel to better find the middle of the bottom groove 337, a bottom wire groove 338 can be provided on the bottom groove 337. When in use, construction personnel can vertically align the tip of the screw with the wire groove and then drive it into the guide rail connector 33. The provision of the wire groove can facilitate accurate finding of the center position of the guide rail connector 33 during installation, making the overall appearance beautiful, and the extension plate of the bottom frame 50 can be inserted into the fixing seat with the embedding groove 14 to achieve a more stable connection.

[0057] In some specific embodiments, the first guide rail 31, the second guide rail 32, and the guide rail connector 33 can be made of one or more combinations of resin, plastic, metal and other materials. The preferred solution is that the first guide rail 31 and the second guide rail 32 are made of aluminum alloy, and the guide rail connector 33 can be made of PVC plastic material with good deformation ability and strength performance.

[0058] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A slide rail fixing seat, comprising a base, characterized in that: It also includes a left snap-fit ​​groove, a right snap-fit ​​groove and a convex part arranged on the base, the left snap-fit ​​groove is symmetrical with the right snap-fit ​​groove, the left snap-fit ​​groove is "L"-shaped, the convex part is arranged at the upper end of the base, the convex part includes an upper protrusion and two lower protrusions, the upper protrusion is located in the middle position of the upper end of the convex part, the two lower protrusions are located on both sides of the lower end of the convex part and are symmetrically arranged along the middle, the lower protrusion at the left end is closer to the left snap-fit ​​groove than the upper protrusion, and the lower protrusion at the right end is closer to the right snap-fit ​​groove than the upper protrusion, and the highest point of the upper protrusion is flush with the highest positions of the left snap-fit ​​groove and the right snap-fit ​​groove.

2. The slide rail fixing seat according to claim 1, characterized in that: The left snap-fitting groove and the right snap-fitting groove are both provided with embedding grooves extending in the horizontal direction at right angles.

3. The slide rail fixing seat according to claim 1, characterized in that: The left engaging groove and the right engaging groove are both provided with embedded supports in the horizontal direction.

4. The slide rail fixing seat according to claim 3, characterized in that: The embedded support is a chair-like structure, including a vertical back, a horizontal seat and fixed legs, the vertical back is connected to the horizontal seat and protrudes downward in the vertical direction, and the horizontal seat is connected to the fixed legs in the form of a trapezoidal platform.

5. The slide rail fixing seat according to claim 1, characterized in that: A plurality of wedge-shaped columns are provided in the vertical direction of the left engaging groove and the right engaging groove.

6. The slide rail fixing seat according to claim 1, characterized in that: The interior of the left engaging groove is hollow in the vertical direction and is provided with at least one supporting rib, and the interior of the right engaging groove is hollow in the vertical direction and is provided with at least one supporting rib.

7. The slide rail fixing seat according to claim 1, characterized in that: It also includes a transmission body, which is connected to the base. The transmission body is provided with a horizontally placed roller and a belt groove. A through hole for the belt to pass through is provided at a position of the base opposite to the belt groove.

8. A slide rail adapted to a slide rail fixing seat, comprising a first guide rail, a second guide rail, and a guide rail connector connecting the first guide rail and the second guide rail, characterized in that: The tops of the first guide rail and the second guide rail are both provided with a bent top frame, and the bottoms of the first guide rail and the second guide rail are both provided with a bent bottom frame; A top protrusion is provided on the upper part of the guide rail connector, a first protrusion and a second protrusion are respectively provided on both sides of the top protrusion, and a groove is formed between the top protrusion and the first protrusion, and between the top protrusion and the second protrusion; A bottom protrusion is provided at the lower part of the guide rail connector, a bottom groove is provided in the middle of the bottom protrusion, a third protrusion and a fourth protrusion are provided on both sides of the bottom protrusion, and a groove is formed between the bottom protrusion and the third protrusion, and between the bottom protrusion and the fourth protrusion; The first guide rail is provided with a left fixing groove matching the first protrusion and the third protrusion, and the second guide rail is provided with a right fixing groove matching the second protrusion and the fourth protrusion; The first guide rail, the second guide rail and the guide rail connector can be embedded in the slide rail fixing seat as described in any one of claims 1 to 7.

9. The slide rail adapted to the slide rail fixing seat according to claim 8, characterized in that: The upper walls of the base frames of the first guide rail and the second guide rail are both provided with upper wall protrusions, the lower walls of the base frames of the first guide rail and the second guide rail are both provided with lower wall protrusions, and the lower walls of the base frames of the first guide rail and the second guide rail are both provided with silent rails, the silent rails are in an "L"-shaped structure, the vertical portion of the silent rails is in contact with the lower wall protrusions, the horizontal portion of the silent rails is laid on the lower wall of the base, and the lower wall protrusions and at least a portion of the lower wall of the base form a retractable structure that engages the silent rail.

10. The slide rail adapted to the slide rail fixing seat according to claim 8, characterized in that: The bottom groove is provided with a bottom wire groove, and the lower part of the bottom frame is also provided with a bottom frame extension plate which is arranged outward in the horizontal direction.

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