Press type sliding block assembly and door thereof

Abstract

The utility model discloses a pressing type sliding block assembly and a door thereof, and belongs to the technical field of door and window installation. The device comprises a fixed block; the limiting block is provided with a sliding block, an elastic piece is installed between the limiting block and the fixed block, the limiting block can move up and down relative to the fixed block, and the elastic piece can provide elastic force for keeping the limiting block at the upper position for the limiting block. The limiting block moves relative to the fixed block by overcoming the elastic force of the elastic piece, so that the sliding block can be separated from the range of the movable door, and the movable door can be conveniently disassembled; when the movable door is installed, after the limiting block is pulled to overcome the elastic force of the elastic piece, the position of the movable door is straightened, then the elastic piece is loosened, the limiting block can be restored through the elastic force of the elastic piece, the movable block extends into the movable door to limit the movable door, and therefore the movable door can be conveniently installed. In conclusion, according to the technical scheme, the movable door can be conveniently installed and disassembled, the convenience of installation, disassembly and maintenance is improved, and operation such as disassembly and cleaning by a user can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window installation, in particular to a push-type sliding block assembly and a door thereof. Background Art

[0002] The sliding door without lower rail is provided with a slide rail guide assembly on the upper part to limit and guide the movable door. A slider is provided under the fixed door, and a limit groove rail is provided under the movable door along the sliding direction. The slider is partially slidably provided in the limit groove rail to guide and limit the movable door, so that the front and rear positions of the movable door can be limited at the lower position, thereby improving the stability of the movable door when it is pushed and pulled. However, since the slider is provided to limit the lower part of the movable door, the difficulty of installing and removing the movable door is increased, and it is not convenient to install and remove the movable door. Utility Model Content

[0003] The utility model aims to provide a push-type slider assembly and a door thereof, so as to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The technical solution adopted to solve the above technical problems is: a push-type slider assembly, comprising: a fixed block; a limit block, which is provided with a sliding block, an elastic member is installed between the limit block and the fixed block, the limit block can move up and down relative to the fixed block, and the elastic member can provide elastic force for the limit block to maintain it in an upper position or a lower position.

[0005] The technical solution has at least the following beneficial effects: the fixed block is relatively fixedly arranged with the fixed door, and the sliding block is inserted into the movable door and slidably connected thereto through the elastic member. By overcoming the elastic force of the elastic member, the limit block is moved downward relative to the fixed block, so that the sliding block can be disengaged from the range of the sliding groove at the bottom of the movable door, thereby facilitating the removal of the movable door; when installing the movable door, after pushing the limit block to overcome the elastic force of the elastic member, the position of the movable door is adjusted, and then the elastic member is released, the limit block can be restored to its position by the elastic force of the elastic member, so that the movable block extends into the movable door to restrict the movable door, thereby facilitating the installation of the movable door; in addition, if the sliding groove of the movable door is set upward, the elastic member can provide the limit block with an elastic force to keep it in the lower position, and by overcoming the elastic force of the elastic member, the limit block is moved upward relative to the fixed block, so that the sliding block can be disengaged from the range of the sliding groove at the bottom of the movable door, thereby facilitating the removal of the movable door. In summary, the technical solution can facilitate the installation and removal of the movable door, improve the convenience of installation and removal and maintenance, and also facilitate the user's disassembly and cleaning operations.

[0006] As a further improvement of the above technical solution, the limit block is connected to the fixed block in a rotational or sliding manner. The relative movement between the limit block and the fixed block is relatively simple, which facilitates the operation of the limit block to overcome the elastic movement of the elastic member, thereby improving the convenience of operating the limit block; at the same time, the relative movement between the limit block and the fixed block is more stable and reliable, so that the sliding block on the limit block can be more stably connected to or separated from the movable door, and the movable door can be installed or removed more conveniently.

[0007] As a further improvement of the above technical solution, the elastic member is a coil spring, one end of which is connected to the limit block, and the other end is connected to the fixed block. The coil spring has stable elastic force, simple structure and is easy to install, which can make the overall structure more stable, reliable and economical.

[0008] As a further improvement of the above technical solution, the diameter of the coil spring gradually increases from one end to the other end. The coil spring is designed as a whole in a conical shape. During the compression or extension process of the coil spring, the two ends are better aligned with the center of force, and the whole is more stable and reliable; moreover, compared with the coil spring with the same diameter at both ends, when the coil spring with a conical design is compressed to the shortest position, the adjacent spiral coils can be compatible with the same plane, and the height space occupied by the compressed coil spring is smaller, so that the whole can be more compact.

[0009] As a further improvement of the above technical solution, at least one of the limit block and the fixed block is provided with a positioning groove for the coil spring to be embedded and / or is provided with a positioning column that can be embedded in the coil spring. The end of the coil spring can be embedded in the positioning groove, and the side wall of the positioning groove can be used to limit the outer side of the end of the coil spring, thereby limiting the position of the end of the coil spring. The installation method is simple and easy to assemble; the positioning column is embedded in the end of the coil spring, and the side wall of the positioning column can be used to limit the inner side of the end of the coil spring, thereby limiting the position of the end of the coil spring. The installation method is simple and easy to assemble. In actual production, only a positioning groove or a positioning column can be provided at the corresponding position of the limit block or the fixed block, and one end of the coil spring can be limited to the positioning groove or the positioning column, and the other end is connected by abutment, which can ensure that the coil spring is easy to install or disassemble under the elastic force of the coil spring. In addition, a positioning groove can be opened at the corresponding position of the limit block, and a positioning column can be set on the fixed block. One end of the coil spring is restricted in the positioning groove, and the other end is restricted outside the positioning column. The actual production has high optionality, and a more suitable solution can be selected according to the further optimized structure of the coil spring, which has high flexibility.

[0010] As a further improvement of the above technical solution, the fixed block is provided with a clearance groove, and the limiting block is connected to the side wall of the clearance groove by rotation or sliding. The position where the fixed block is connected to the limiting block is in the clearance groove, which can reduce the exposure of the connection structure, better protect the connection structure, and improve the stability between the fixed block and the connection block. At the same time, the opening size of the clearance groove can limit the range of movement of the limiting block, and there is no need to set up an additional limiting structure. The overall structure is simple and ingenious, easy to manufacture and clean, and can also achieve a more aesthetic effect.

[0011] As a further improvement of the above technical solution, the limit block is rotatably connected with an axle pin, the axle pin is installed on the fixed block, and one end or both ends of the axle pin penetrates the fixed block, so that the limit block can be rotatably installed on the fixed block.

[0012] As a further improvement of the above technical solution, the sliding block sleeve is provided with an anti-collision sleeve. The anti-collision sleeve is slidably connected to the bottom of the movable door, which can better limit the moving direction of the movable door, reduce the shaking of the movable door during movement, and make the movement of the movable door smoother; in addition, the anti-collision sleeve can be easily removed for cleaning or replacement, so as to facilitate the maintenance of the product.

[0013] As a further improvement of the above technical solution, clamping blocks are provided on both sides of the anti-collision sleeve, and a gap is provided between the clamping blocks and the anti-collision sleeve. A gap is provided between the anti-collision sleeve and the clamping blocks, and they can move and deform relatively when subjected to external force, so that they can better fit into the sliding groove of the movable door through deformation, thereby limiting the moving direction of the movable door. At the same time, in the process of limiting the moving direction of the movable door, the deformation of the clamping blocks and the anti-collision sleeve that can be offset in relative directions can also buffer the impact force of the movable door along the gap width direction, thereby reducing the situation of connection breakage and damage caused by impact.

[0014] As a further improvement of the above technical solution, two opposite sides of the fixed block are respectively provided with the same installation grooves. The two opposite sides of the fixed block are provided with the same installation grooves, so it is not necessary to distinguish whether the movable door is installed on the front side or the rear side of the fixed door. By rotating the fixed block 180 degrees along the horizontal plane, the position of the limit block and the sliding block can be adjusted, and the installation grooves on the corresponding sides are selected to be relatively fixedly connected with the fixed door, so that the sliding blocks can slide toward the position of the movable door and connect with the movable door, thereby improving the adaptability and installation flexibility of the product; in addition, in the other installation groove where the fixed block is not connected to the fixed door, a transition block and other structures can be set to fix it with the bottom aluminum material, so that the installation of the fixed block is more stable and reliable.

[0015] A door comprises the above-mentioned push-type slider assembly, and also comprises a fixed door, an upper slide rail assembly connected to the fixed door, and a movable door slidably connected to the upper slide rail assembly, wherein the fixed block is connected to the fixed door, a sliding groove is provided at the bottom of the movable door, and the sliding block is slidably provided in the sliding groove. When the movable door is pushed or pulled, it is restricted by the sliding block and is not easily deviated in the vertical moving direction, thereby ensuring the stability of the movable door; by operating the limit block, the elastic force of the elastic member is overcome, and the sliding block can be easily separated from the movable door or extended into the sliding groove of the movable door, thereby facilitating the installation and removal of the movable door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the overall structure of a push-type slider assembly according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the exploded structure of a push-type slider assembly according to an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the anti-collision sleeve and the sliding block in the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the overall structure of a door according to an embodiment of the utility model;

[0021] Figure 5 for Figure 4 Enlarged schematic diagram at point A in the middle.

[0022] The fixed block 10 , the yielding groove 11 , the limiting block 20 , the axle pin 21 , the sliding block 30 , the anti-collision sleeve 31 , the clamping block 32 , the gap 33 , the elastic member 40 , the positioning groove 50 , the positioning column 51 , the fixed door 60 , the movable door 70 , the installation groove 80 , and the transition block 90 . DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference Figure 1-3 A push-type slider assembly includes a fixed block 10 and a limit block 20 connected to each other. A sliding block 30 is arranged on one side of the limit block 20. The limit block 20 can move up and down relative to the fixed block 10, and an elastic member 40 is installed between the limit block 20 and the fixed block 10. The elastic force of the elastic member 40 can provide an upward reset elastic force for the limit block 20, so that the sliding block 30 on the limit block 20 can be maintained in an upper position and remain connected to the movable door.

[0028] Reference Figure 4-5 A door comprises a fixed door 60, an upper slide rail assembly and a movable door 70. The upper slide rail assembly is fixedly connected to the movable door 70, and the upper slide rail assembly can be installed on a wall to ensure the overall stability. The movable door 70 is connected to the upper slide rail assembly by sliding left and right, so that the movable door 70 is connected to the fixed door 60 by sliding through the upper slide rail assembly, and the door can be opened and closed by moving the movable door 70. A sliding groove is provided at the bottom of the movable door 70, and the length direction of the sliding groove is parallel to the push-pull direction of the movable door, and the opening of the sliding groove faces downward. The fixed block 10 can be fixedly installed on the fixed door 60, and the sliding block 30 is embedded and installed in the sliding groove from bottom to top. As the movable door 70 is pushed and pulled, the sliding block 30 can slide in the sliding groove, thereby limiting the moving direction of the movable door 70 and ensuring the stability of the movement of the movable door.

[0029] Reference Figure 1-5Due to the presence of the elastic member 40, the limit block 20 is pressed downward to drive the limit block 20 to overcome the elastic force of the elastic member 40 and move downward, so that the limit block 20 can move relative to the fixed block 10, that is, the sliding block 30 on the limit block 20 can move relative to the fixed block 10, and the sliding block 30 can be separated from the sliding groove of the movable door 70 without moving the movable door 70. After that, the movable door 70 is not restricted by the sliding block 30, which can facilitate the removal of the movable door 70. When installing the movable door 70, the limit block 20 can be pressed downward to overcome the elastic force of the elastic member 40, and the sliding block 30 can be embedded in the sliding groove of the movable door 70 to restrict the movement of the movable door 70, so that the installation of the movable door 70 can be facilitated. The convenient installation and removal of the movable door 70 can facilitate the user to clean and maintain the movable door 70 and the related structures thereon. It should be noted that the elastic member 40 can provide elastic force for the limit block 20 to maintain the upper position, which is determined by the opening direction of the sliding slot of the movable door 70 being set downward. If the opening direction of the sliding slot of the movable door 70 is set upward, the elastic member 40 can provide elastic force relative to the limit block 20 to maintain the lower position.

[0030] Specifically, a clearance groove 11 is provided on one side of the fixed block 10, and an axle pin 21 is rotatably installed on one end of the limit block 20 away from the sliding block 30. Through holes penetrating the fixed block 10 are provided on the two inner side walls of the clearance groove 11, and the two ends of the axle pin 21 are respectively installed at the corresponding through holes by interference fit, so that the limit block 20 is rotatably installed on the inner side wall of the clearance groove 11, and the installation method of the axle pin 21 is simple and convenient, and easy to manufacture. The end of the limit block 20 close to the sliding block 30 extends out of the clearance groove 11. The sliding groove of the movable door 70 is opened downward, and the opening height of the clearance groove 11 is greater than the height of the limit block 20. Restricted by the inner side wall of the clearance groove 11, the limit block 20 can rotate around the axle pin 21 at a certain angle relative to the fixed block 10 within the opening range of the clearance groove 11, so that the sliding block 30 can be allowed to move a preset distance relative to the installed movable door 70, so as to realize the connection or separation of the sliding block 30 with the sliding groove in the movable door 70.

[0031] In the actual installation process of the door, if the installation location, such as the wall or the ground, is not level, when installing the movable door 70, it is necessary to adjust the upper and lower positions of the movable door 70, and the elastic member 40 of the present technical solution can provide elasticity for the sliding block 30, and perform distance compensation according to the position of the movable door 70, so as to ensure that the movable door 70 is not easy to separate from the sliding block 30 during the movement, better ensure that the sliding block 30 restricts the moving direction of the movable door 70, and ensure the moving stability of the movable door 70. In addition, in order to adapt to the difference between the height of the sliding groove at the bottom of the movable door 70 and the installation height of the fixed block 10, a stepped structure or an inclined structure can be set in the middle of the limit block 20 to make up for the height difference.

[0032] The elastic member 40 is a coil spring, and the diameter of the coil spring gradually increases from one end to the other end; or in other words, the diameter of the coil spring gradually decreases from one end to the other end, so that the coil spring is truncated cone-shaped as a whole. The sliding block 30 is located at the top of the limit block 20, and one end of the coil spring is installed at the bottom of the limit block 20, and the other end is installed at the inner wall of the yield groove 11 of the fixed block 10. By pressing the limit block 20, the elastic force of the coil spring can be overcome and swung downward, and the sliding block 30 can be extended from the sliding groove of the movable door 70 to detach from the movable door 70. In other embodiments, the elastic member 40 can also be a torsion spring, the middle part of which is sleeved on the axle pin, one elastic end of the torsion spring is connected to the limit block 20, and the other end is connected to the fixed block 10, which can also provide an upward reset elastic force for the limit block 20.

[0033] In other embodiments, the limit block 20 may also be slidably connected to the fixed block 10; a slider having a dovetail or T-shaped cross-section is installed at one end of the limit block 20 away from the sliding block 30, and a corresponding and sliding groove adapted for sliding is opened on the side wall of the give way groove 11, and the slider is slidably arranged in the groove, and the length direction of the groove is the vertical direction, so that the limit block 20 can slide up and down relative to the fixed block 10, so as to drive the sliding block 30 to move up and down, thereby realizing the connection or separation of the sliding block 30 with the sliding groove in the movable door 70.

[0034] In other embodiments, the limit block 20 can also have both a rotational connection and a sliding connection with the fixed block 10. For example, a rotating shaft is rotatably mounted on the end of the limit block 20, and both ends of the rotating shaft are slidably arranged on the side walls of the clearance groove 11, wherein the sliding direction of the rotating shaft is the same as the elastic direction of the elastic member 40, and the limit block 20 can rotate and / or slide relative to the fixed block 10 when subjected to downward pressure, overcoming the elastic force of the elastic member 40 to drive the sliding block 30 to leave the sliding groove of the movable door 70, and the limit block 20 has higher flexibility.

[0035] In order to facilitate the installation of the coil spring, a positioning groove 50 can be opened at the bottom of the limit block 20, and a positioning column 51 can be installed on the side wall of the clearance groove 11 of the fixed block 10, and the installation position of the positioning column 51 corresponds to the opening position of the positioning groove 50. The end of the coil spring with a smaller diameter is sleeved on the positioning column 51, and the end of the coil spring with a larger diameter is embedded in the positioning groove 50. By compressing the coil spring, the two ends of the coil spring can be easily installed in the limit block 20 and the fixed block 10 respectively, so as to improve the efficiency of assembly, and at the same time, it can also be convenient for subsequent cleaning and maintenance. In addition, the coil spring with stable restrictions at both ends is not easy to fall out and has good durability.

[0036] Since the side wall of the end with a smaller diameter of the coil spring expands outward toward the other end, it is convenient to put it on the positioning column 51, but it is not convenient to embed it in the positioning groove 50 without expansion. Therefore, it is more appropriate to use the positioning column 51 to limit the installation of the end with a smaller diameter of the coil spring; similarly, since the side wall of the end with a larger diameter of the coil spring is contracted inward toward the other end, it is convenient to embed the entire end in the positioning groove 50, but it is not convenient to put it on the positioning column 51 with no narrowing at the end. Therefore, it is more appropriate to use the positioning groove 50 to limit the installation of the end with a larger diameter of the coil spring.

[0037] In other embodiments, the coil spring may be limited at only one end, while the other end is connected by abutment, that is, a positioning groove 50 is provided or a positioning column 51 is installed at a corresponding position of the limiting block 20 or the fixing block 10, one end of the coil spring is limited in the positioning groove 50 or is sleeved in the positioning column 51, and the other end of the coil spring abuts against the corresponding fixing block 10 or the limiting block 20, thereby completing the installation of the coil spring.

[0038] In other embodiments, the two ends of the coil spring may also be restricted by the same structure, that is, positioning grooves 50 are opened or positioning columns 51 are installed at corresponding positions of the limit block 20 and the fixed block 10, and the two ends of the coil spring are respectively embedded in the corresponding positioning grooves 50 or sleeved in the positioning columns 51, thereby completing the installation of the coil spring.

[0039] In other embodiments, the two ends of the coil spring can also be restricted by two structures at the same time, that is, a positioning groove 50 and an installation positioning column 51 are opened at the corresponding positions of the limit block 20 and the fixed block 10, and the center line of the positioning column 51 is arranged to coincide with the center line of the positioning groove 50. The two ends of the coil spring are respectively embedded in the corresponding positioning groove 50 and sleeved in the corresponding positioning column 51, so that the inner and outer sides of the end of the coil spring can be restricted, thereby better ensuring the installation firmness of the coil spring.

[0040] An anti-collision sleeve 31 is sleeved on the outer surface of the sliding block 30. The sleeve installation method can facilitate the installation and removal of the anti-collision sleeve 31, so that it can be convenient for users to disassemble for cleaning or maintenance. Clamping blocks 32 are arranged on both sides of the anti-collision sleeve 31. The anti-collision sleeve 31 and the clamping block 32 can be made of plastic in one piece, or can be made of other materials with certain elastic deformation ability. The clamping block 32 and the anti-collision sleeve 31 are both embedded in the sliding groove of the movable door 70. The total width of the clamping block 32 and the anti-collision sleeve 31 can be set to be the same as or slightly larger than the width of the sliding groove, so that the clamping block 32 and the anti-collision sleeve 31 can be allowed to swing into the sliding groove. A gap 33 is set between the clamping block 32 and the anti-collision sleeve 31, so that the clamping block 32 and the anti-collision sleeve 31 can be forced to approach each other, which plays a role in facilitating the embedding in the sliding groove and buffering the swing of the movable door 70. In order to improve the installation stability of the clamping block 32, the bottom of the clamping block 32 extends to penetrate the limiting block 20 so that the bottom side of the clamping block 32 abuts against the side wall of the limiting block 20, thereby improving the stability of the clamping block 32 by relying on the limiting block 20.

[0041] The two sides of the fixed block 10 adjacent to the installation limit block 20 are provided with installation grooves 80, and the installation grooves 80 can be inserted into the fixed door 60 and fixed by connecting structures such as bolts, so that the fixed block 10 can be fixedly installed on the fixed door 60. The installation grooves 80 on both sides of the fixed block 10 are symmetrically arranged with the center plane. Regardless of whether the movable door 70 is to be installed at the front side or the rear side of the fixed door 60, the push-type slider assembly as a whole can adjust the direction of the limit block 20 by rotating 180 degrees on the horizontal plane, so as to adapt to two different installation methods. There is no need to set different left and right structures for different installation methods, so the installation is simple and the adaptability of the product can be improved. After the installation groove 80 on one side of the fixed block 10 is installed with the fixed door 60, the installation groove 80 on the other side can be inserted into the transition block 90 adapted to the installation groove 80, and the transition block 90 is then connected to the fixed aluminum material at the bottom of the door, so that the installation connection between the other side of the fixed block 10 and the fixed aluminum material can be facilitated. In other embodiments, the structure connecting the fixed block 10 and the fixed door 60 may not have an installation groove 80, but may have a structure such as a installation column, and be connected to the fixed door 60 by embedding. Then, the two corresponding sides of the fixed block 10 are symmetrically provided with structures such as installation columns about the center plane, thereby achieving adaptation to two different installation methods and improving the adaptability of the product.

[0042] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A push-type slider assembly, characterized in that: include: Fixed block; The limit block is provided with a sliding block, an elastic member is installed between the limit block and the fixed block, the limit block can move up and down relative to the fixed block, the elastic member can provide elastic force for the limit block to maintain the upper position or the lower position, and the limit block is rotatably connected to the fixed block.

2. A push-type slider assembly according to claim 1, characterized in that: The elastic member is a coil spring, one end of the coil spring is connected to the limiting block, and the other end is connected to the fixing block, and the diameter of the coil spring gradually increases from one end to the other end.

3. A push-type slider assembly according to claim 2, characterized in that: At least one of the limiting block and the fixing block is provided with a positioning groove for the coil spring to be embedded in and / or is provided with a positioning column that can be embedded in the coil spring.

4. The push-type slider assembly according to claim 1, characterized in that: The fixing block is provided with a clearance groove, and the limiting block is connected to the side wall of the clearance groove by rotation or sliding.

5. The push-type slider assembly according to claim 1, characterized in that: The limit block is rotatably connected with an axle pin, the axle pin is installed on the fixed block, and one end or both ends of the axle pin penetrates the fixed block.

6. The push-type slider assembly according to claim 1, characterized in that: The sliding block sleeve is provided with an anti-collision sleeve.

7. The push-type slider assembly according to claim 6, characterized in that: Clamping blocks are arranged on both sides of the anti-collision sleeve, and a gap is arranged between the clamping blocks and the anti-collision sleeve.

8. The push-type slider assembly according to claim 1, characterized in that: Two opposite side surfaces of the fixing block are respectively provided with identical mounting grooves.

9. A door, characterized in that: It comprises a push-type slider assembly as described in any one of claims 1 to 8, and also comprises a fixed door, an upper slide rail assembly connected to the fixed door, and a movable door slidably connected to the upper slide rail assembly, the fixed block is connected to the fixed door, a sliding groove is provided at the bottom of the movable door, and the sliding block is slidably provided in the sliding groove.

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