Hanging rack

Abstract

The utility model relates to the technical field of ceiling equipment deployment, and discloses a hanging rack which comprises a rack body, the rack body comprises a fixing piece, a first sliding piece and a first fastening piece, the fixing piece is provided with a first through hole, the first sliding piece comprises a first sliding part and a first connecting part, the first sliding part is connected to the fixing piece, and the first connecting part is connected to the fixing piece. The first connecting part is fixedly connected to the first sliding part, and a plurality of first positioning holes are formed in the first sliding part; the first sliding part is in sliding connection with the fixing piece; the first fastener is used for penetrating through the first through hole and being connected with any one of the multiple first positioning holes. According to the hanging rack, through the fixing piece, the first sliding piece and the first fastening piece, the length of the rack body can be adjusted so as to meet the scene deployment requirements of ceilings of various spans, the rack body can be fixed to the preset length so as to be matched with the actual span of the ceilings, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ceiling equipment deployment, in particular to a hanging rack. Background Art

[0002] Ceiling devices such as ceiling speakers and microphones need to be deployed on the ceiling through brackets. The spans of ceilings in various deployment scenarios such as different countries, different regions, different personal homes and different offices are different, so there will be scene deployment requirements for fixing the brackets on ceilings with different spans. However, the length of the brackets in the prior art cannot be adjusted, which makes it unable to meet the scene deployment requirements of ceilings with various spans, and is inconvenient to use. Utility Model Content

[0003] Aiming to solve at least one of the technical problems existing in the prior art, the utility model provides a hanging bracket which can meet the scene deployment requirements of ceilings with various spans.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a hanging rack, including a frame body, the frame body has a first direction, the frame body includes a fixing member, a first sliding member and a first fastener, the fixing member has a first end and a second end opposite to each other in the first direction, the fixing member is provided with a first through hole, the first sliding member includes a first sliding part and a first connecting part, the first sliding part is connected to the fixing member, the first connecting part is fixedly connected to an end of the first sliding part away from the second end in the first direction and is located on one side of the fixing member, the first sliding part is provided with a plurality of first positioning holes distributed in sequence along the first direction; wherein, the first sliding member has: a first unlocking state, at which the first sliding part is slidably connected to the fixing member and can move on the fixing member along the first direction; a first locking state, at which the first fastener passes through the first through hole and is connected to any one of the plurality of first positioning holes to fix the first sliding part and the fixing member.

[0005] In some embodiments, the frame also includes a second sliding member and a second fastener, the fixing member is provided with a second through hole located on one side of the first through hole, the second sliding member includes a second sliding portion and a second connecting portion, the second sliding portion is connected to the fixing member, the second connecting portion is fixedly connected to an end of the second sliding portion away from the first end in the first direction and is located on a side of the fixing member away from the first connecting portion, and the second sliding portion is provided with a plurality of second positioning holes distributed in sequence along the first direction; wherein the second sliding member has: a second unlocking state, at which the second sliding portion is slidably connected to the fixing member and can move on the fixing member along the first direction; a second locking state, at which the second fastener passes through the second through hole and is connected to any one of the plurality of second positioning holes to fix the second sliding portion and the fixing member.

[0006] In some embodiments, the frame also has a second direction and a third direction, and the first direction, the second direction and the third direction are perpendicular to each other; the fixing member includes a base portion and a first matching portion, the first matching portion is fixedly connected to one end of the base portion in the second direction, the first matching portion has a first slide groove extending along the first direction, and the first matching portion is provided with the first through hole; the first sliding portion includes a bottom plate and a first slide plate, the first connecting portion is fixedly connected to the bottom plate, the first slide plate is fixedly connected to one end of the bottom plate in the second direction, at least a portion of the first slide plate is arranged in the first slide groove, and the first positioning hole is provided on the first slide plate.

[0007] In some embodiments, the first mating portion includes a first side panel, a top panel and a second side panel, the first side panel is fixedly connected to the base portion, the top panel is fixedly connected to an end of the first side panel in the third direction away from the base portion, the second side panel is fixedly connected to an end of the top panel in the second direction away from the first side panel and is arranged opposite to the first side panel, and the first sliding groove is formed between the first side panel, the top panel and the second side panel.

[0008] In some embodiments, the first connecting portion includes a connecting plate and a first limiting plate, the connecting plate is fixedly connected to the base plate and extends along the first direction, and the first limiting plate is fixedly connected to an end of the connecting plate away from the second end in the first direction and extends along the third direction.

[0009] In some embodiments, the first connecting portion further includes a second limiting plate, the second limiting plate and the first limiting plate are arranged opposite to each other, the connecting plate is fixedly connected to the bottom plate via the second limiting plate, and a limiting groove is formed between the second limiting plate, the connecting plate and the first limiting plate.

[0010] In some embodiments, the connecting plate is provided with a connecting hole penetrating along the third direction.

[0011] In some embodiments, the fixing member further includes a second matching portion, the second matching portion is connected to an end of the base in the second direction away from the first matching portion and is arranged opposite to the first matching portion, and the second matching portion has a second slide groove parallel to the first slide groove;

[0012] The first sliding portion further includes a second slide plate, which is connected to an end of the bottom plate in the second direction away from the first slide plate and parallel to the first slide plate, and at least a portion of the second slide plate is disposed in the second slide groove.

[0013] In some embodiments, the number of the racks is two, and the two racks are arranged in parallel.

[0014] In some embodiments, the rack further includes a mounting seat, and two ends of the mounting seat are respectively connected to the two frame bodies.

[0015] In some embodiments, the bracket further includes a third fastener, the frame body is provided with a first fixing hole, the mounting seat is provided with a second fixing hole, and the third fastener is used to pass through the second fixing hole and connect with the first fixing hole, thereby fixing the mounting seat and the frame body.

[0016] In some embodiments, the mounting seat is further provided with a mounting hole penetrating along the third direction, and an internal thread is provided on a hole wall of the mounting hole.

[0017] Compared with the prior art, a bracket provided by an embodiment of the utility model has the following beneficial effects: by connecting the first sliding member to the fixing member, the first sliding member can be placed in a first unlocked state and the first sliding member can be slid along the fixing member to increase or decrease the length of the frame in the first direction, so that the frame can be suitable for scene deployment requirements of ceilings with different spans. At the same time, after determining the preset length required for the frame by the actual span of the ceiling, the first sliding part can be slid to a preset position and at least one first positioning hole can correspond to the position of at least one first through hole, and then the first fastener is passed through the first through hole and connected to the first positioning hole, so that the sliding member and the fixing member can be fixedly connected to lock the frame at the preset length to adapt to the actual span of the ceiling, which is convenient for installing the frame on the ceiling. Therefore, the bracket provided by the utility model can adjust the length of the frame through the fixing member, the first sliding member and the first fastener to meet the scene deployment requirements of ceilings with various spans, and can also fix the frame at a preset length to adapt to the actual span of the ceiling, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a hanging rack provided by an embodiment of the utility model;

[0019] Figure 2 It is a top view of a hanging rack provided by an embodiment of the utility model;

[0020] Figure 3 This is a rendering of a ceiling device installed on a hanger provided by an embodiment of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a fixing member provided in an embodiment of the utility model;

[0022] Figure 5 It is a front view of a fixing member provided in an embodiment of the utility model;

[0023] Figure 6 is a side view of a fixing member provided in an embodiment of the utility model;

[0024] Figure 7 It is a structural schematic diagram of a first sliding member provided in an embodiment of the utility model;

[0025] Figure 8 is a front view of a first sliding member provided in an embodiment of the utility model;

[0026] Fig. 9 is a top view of a first sliding member provided in an embodiment of the utility model;

[0027] Fig.10It is a structural schematic diagram of a mounting base provided in an embodiment of the utility model.

[0028] In the figure, 1, frame;

[0029] 11. fixing member; 101. first end; 102. second end; 111. base portion; 112. first matching portion; 113. second matching portion; 114. first through hole; 115. second through hole; 1120. first slide groove; 1121. first side plate; 1122. top plate; 1123. second side plate; 1130. second slide groove; 1131. first fixing hole;

[0030] 12, first sliding member; 121, first sliding part; 122, first connecting part; 1211, bottom plate; 1212, first sliding plate; 1213, second sliding plate; 1214, first positioning hole; 1220, limiting groove; 1221, connecting plate; 1222, first limiting plate; 1223, second limiting plate; 12211, connecting hole;

[0031] 13. A first fastener;

[0032] 14, second sliding member; 141, second sliding portion; 142, second connecting portion; 1411, second positioning hole;

[0033] 15. Second fastener;

[0034] 2. Mounting seat; 21. Second fixing hole; 22. Mounting hole;

[0035] 3. The third fastener;

[0036] 4. Ceiling body;

[0037] 5. Ceiling keel;

[0038] 6. Ceiling equipment;

[0039] X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0040] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships 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 should not be understood as a limitation on the present invention.

[0042] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] like Figure 1-4As shown, a preferred hanger of the utility model embodiment includes a frame 1; the frame 1 has a first direction X, the frame 1 includes a fixing member 11, a first sliding member 12 and a first fastener 13, the fixing member 11 has a first end 101 and a second end 102 opposite to each other in the first direction X, the fixing member 11 is provided with a first through hole 114, the first sliding member 12 includes a first sliding portion 121 and a first connecting portion 122, the first sliding portion 121 is connected to the fixing member 11, and the first connecting portion 122 is fixedly connected to the first sliding portion 121 in the first direction X. On one end away from the second end 102 and located on one side of the fixing member 11, the first sliding portion 121 is provided with a plurality of first positioning holes 1214 distributed in sequence along the first direction X; wherein the first sliding member 12 has: a first unlocking state, at which the first sliding portion 121 is slidably connected to the fixing member 11 and can slide on the fixing member 11 along the first direction X; a first locking state, at which the first fastener 13 passes through the first through hole 114 and is connected to any one of the plurality of first positioning holes 1214, so that the first sliding portion 121 and the fixing member 11 are fixed.

[0046] Based on this technical solution, by connecting the first sliding member 12 to the fixing member 11, the first sliding member 12 can be placed in a first unlocked state and the first sliding member 12 can be slid along the fixing member 11 to increase or decrease the length of the frame 1 in the first direction X, so that the frame 1 can be suitable for scene deployment requirements of being installed on ceilings with different spans. At the same time, after determining the preset length required for the frame 1 according to the actual span of the ceiling, the first sliding portion 121 can be slid to a preset position and the at least one first positioning hole 1214 can be aligned with the at least one first through hole 114. After the positions are relatively aligned, the first fastener 13 is passed through the first through hole 114 and connected to the first positioning hole 1214, so that the first sliding member 12 and the fixing member 11 can be fixedly connected to each other, so as to lock the frame 1 at a preset length to adapt to the actual span of the ceiling, and facilitate the installation of the frame 1 on the ceiling; therefore, the utility model can adjust the length of the frame 1 through the fixing member 11, the first sliding member 12 and the first fastener 13 to meet the scene deployment requirements of ceilings with various spans, and can also fix the frame 1 at a preset length to adapt to the actual span of the ceiling, which is easy to use.

[0047] The frame 1 has a second direction Y and a third direction Z. The first direction X, the second direction Y and the third direction Z are perpendicular to each other.

[0048] In this embodiment, the first direction X, the second direction Y and the third direction Z are respectively the length direction, the width direction and the height direction of the frame 1 .

[0049] In this embodiment, the first through hole 114 is a circular through hole, the first fastener 13 is a first screw, the aperture of the circular through hole is substantially consistent with the thread diameter of the first screw, the first positioning hole 1214 is a threaded hole, and a first fastener 13 is used to pass through a circular through hole and be threadedly connected to a first positioning hole 1214.

[0050] In some other embodiments, the first through hole 114 may be a square through hole, a trapezoidal through hole, a parallelogram through hole, an elliptical through hole or any other shape through hole, and the length of the first through hole 114 in the first direction X may be greater than the thread diameter of the first screw, which is not limited here.

[0051] In some other implementations, the first fastener 13 may also be any fastener such as a bolt, a stud, a pin, etc., which is not limited here.

[0052] In this embodiment, the number of the first positioning holes 1214 is four, the number of the first through holes 114 is two, the number of the first fasteners 13 is two, and the two first fasteners 13 pass through the two first through holes 114 and are connected to the two first positioning holes 1214 respectively.

[0053] In some other embodiments, the number of the first through holes 114 can be any number such as one, three, four, five, six, etc., and the number of the first fasteners 13 can be any number such as one, three, four, five, six, etc., which is not limited here.

[0054] See also Figure 1-3 The frame 1 provided by the embodiment of the utility model also includes a second sliding member 14 and a second fastener 15. The fixing member 11 is provided with a second through hole 115 located on one side of the first through hole 114. The second sliding member 14 includes a second sliding portion 141 and a second connecting portion 142. The second sliding portion 141 is connected to the fixing member 11. The second connecting portion 142 is fixedly connected to the second sliding portion 141 at an end away from the first end 101 in the first direction X and is located on a side of the fixing member 11 away from the first connecting portion 122. The second sliding portion 141 is provided with a plurality of second positioning holes 1411 distributed in sequence along the first direction X; wherein the second sliding member 14 has: a second unlocking state, at which the second sliding portion 141 is slidably connected to the fixing member 11 and can move on the fixing member 11 along the first direction X; and a second locking state, at which the second fastener 15 passes through the second through hole 115 and is connected to any one of the plurality of second positioning holes 1411, so that the second sliding portion 141 and the fixing member 11 are fixed.

[0055] By using the first sliding member 12 and the second sliding member 14, the length of the frame 1 in the first direction X can be adjusted at one end by sliding the first sliding member 12 or the second sliding member 14 on the fixing member 11, or the length of the frame 1 in the second direction Y can be adjusted at both ends by sliding the first sliding member 12 and the second sliding member 14 on the fixing member 11, thereby further improving the ease of use of the frame 1.

[0056] In this embodiment, the second fastener 15 is a second screw.

[0057] In this embodiment, the sum of the lengths of the first sliding member 12 and the second sliding member 14 in the first direction X is slightly greater than the length of the fixing member 11 in the first direction X. With this arrangement, most of the first sliding member 12 and the second sliding member 14 can be hidden in the fixing member 11 during the transportation of the hanger, thereby saving the packaging cost of the hanger, not occupying too much packaging space, and facilitating transportation.

[0058] In some other embodiments, the sum of the lengths of the first sliding member 12 and the second sliding member 14 in the first direction X may be less than or equal to the length of the fixing member 11 in the first direction X, or the sum of the lengths of the first sliding member 12 and the second sliding member 14 in the first direction X may be greater than or equal to the length of the fixing member 11 in the first direction X, which is not limited here.

[0059] See also Figure 1-4 ,and Fig.10 The rack provided by the embodiment of the utility model includes two racks 1, and the two racks 1 are arranged in parallel. With the two racks 1 arranged in parallel, the ceiling device 6 can be arranged between the two racks 1 and the two ends of the ceiling device 6 can be connected to the two racks 1 respectively to achieve the installation and fixation between the ceiling device 6 and the rack, which has the advantages of convenient installation and high installation stability.

[0060] The rack also includes a mounting base 2, and two ends of the mounting base 2 are respectively connected to the two frames 1. The ceiling device 6 can be directly mounted on the mounting base 2, which is convenient for the installation of the ceiling device 6 and improves the convenience of use of the rack.

[0061] The rack also includes a third fastener 3 . The frame body 1 is provided with a first fixing hole 1131 . The mounting seat 2 is provided with a second fixing hole 21 . The third fastener 3 passes through the second fixing hole 21 and is connected to the first fixing hole 1131 , so that the mounting seat 2 and the frame body 1 are connected.

[0062] In some embodiments, the mounting base 2 is further provided with a mounting hole 22 penetrating along the third direction Z, and an internal thread is provided on the hole wall of the mounting hole 22. By adopting the form of providing an internal thread on the hole wall of the mounting hole 22, when installing some ceiling devices 6 with external threads, the ceiling devices 6 can be connected to the internal screw threads of the mounting base 2 through the external threads to achieve a quick connection between the ceiling devices 6 and the mounting base 2, thereby improving the convenience of using the hanger.

[0063] See also Figure 3 The ceiling includes a ceiling main body 4 and a ceiling keel 5 connected to the ceiling main body 4.

[0064] In this embodiment, the ceiling device 6 is a ceiling speaker.

[0065] In some other implementations, the ceiling equipment may also be any equipment that needs to be deployed and installed on the ceiling, such as a microphone, lighting equipment, ventilation equipment, fire-fighting equipment, and monitoring equipment, which is not limited here.

[0066] See also Figure 4-Figure 6 The fixing member 11 provided in the embodiment of the utility model includes a base portion 111 and a first matching portion 112. The first matching portion 112 is fixedly connected to one end of the base portion 111 in the second direction Y. The first matching portion 112 has a first sliding groove 1120 extending along the first direction X. A first through hole 114 is opened on the first matching portion 112.

[0067] The first matching portion 112 includes a first side plate 1121, a top plate 1122 and a second side plate 1123. The first side plate 1121 is fixedly connected to the base portion 111, the top plate 1122 is fixedly connected to one end of the first side plate 1121 away from the base portion 111 in the third direction Z, the second side plate 1123 is fixedly connected to one end of the top plate 1122 away from the first side plate 1121 in the second direction Y and is arranged opposite to the first side plate 1121, and a first sliding groove 1120 is formed between the first side plate 1121, the top plate 1122 and the second side plate 1123.

[0068] In this embodiment, the first side plate 1121 of the first matching portion 112 and the first side plate 1121 of the second matching portion 113 are both provided with a first fixing hole 1131 .

[0069] The fixing member 11 further includes a second matching portion 113 , which is connected to one end of the base in the second direction Y away from the first matching portion 112 and arranged opposite to the first matching portion 112 . The second matching portion 113 has a second sliding groove 1130 parallel to the first sliding groove 1120 .

[0070] In this embodiment, a first through hole 114 is defined in the second matching portion 113 , and a first positioning hole 1214 is defined in the second sliding plate 1213 .

[0071] In some other embodiments, the first through hole 114 may not be provided on the second matching portion 113 .

[0072] The structure of the second matching portion 113 is similar to that of the first matching portion 112 , and will not be described in detail herein.

[0073] See also Figure 7-Figure 9 The first sliding part 121 provided in the embodiment of the utility model includes a bottom plate 1211 and a first slide plate 1212. The first connecting part 122 is fixedly connected to the bottom plate 1211. The first slide plate 1212 is fixedly connected to one end of the bottom plate 1211 in the second direction Y. At least part of the first slide plate 1212 is disposed in the first slide groove 1120. The first slide plate 1212 is provided with a first positioning hole 1214. The first slide plate 1212 can slide along the first slide groove 1120 to realize the sliding of the first sliding part 121 on the fixing member 11, thereby adjusting the length of the frame 1 in the first direction X to meet the scene deployment requirements of ceilings with different spans.

[0074] The first sliding portion 121 further includes a second slide plate 1213, which is connected to one end of the bottom plate 1211 away from the first slide plate 1212 in the second direction Y and parallel to the first slide plate 1212, and at least a portion of the second slide plate 1213 is disposed in the second slide groove 1130. The second matching portion 113 and the second slide plate 1213 can cooperate with the first matching portion 112 and the first slide plate 1212, so that the two ends of the fixing member 11 in the second direction Y can be connected to the two ends of the first sliding portion 121 in the second direction Y, respectively, so that the fixing member 11 can play a better limiting and guiding role on the first sliding portion 121.

[0075] The first connection part 122 includes a connection plate 1221 and a first limiting plate 1222. The connection plate 1221 is fixedly connected to the bottom plate 1211 and extends along the first direction X. The first limiting plate 1222 is fixedly connected to one end of the connection plate 1221 away from the second end 102 in the first direction X and extends along the third direction Z. The connection plate 1221 extending along the first direction X and the first limiting plate 1222 extending along the third direction Z can form a right-angle limiting structure between the connection plate 1221 and the first limiting plate 1222. The right-angle limiting structure can simultaneously limit the first connection part 122 on the ceiling keel 5 when the first connection part 122 is overlapped on the ceiling keel 5, which helps to improve the installation convenience between the sliding part and the ceiling.

[0076] The first connection part 122 also includes a second limiting plate 1223, which is arranged opposite to the first limiting plate 1222. The connecting plate 1221 is fixedly connected to the bottom plate 1211 through the second limiting plate 1223, and a limiting groove 1220 is formed between the second limiting plate 1223, the connecting plate 1221 and the first limiting plate 1222. The second limiting plate 1223 is used to form the limiting groove 1220 with the connecting plate 1221 and the first limiting plate 1222. When the frame 1 and the ceiling keel 5 are installed, the ceiling keel 5 can be placed in the limiting groove 1220 to achieve positioning between the first connection part 122 and the ceiling keel 5, which helps to further improve the installation convenience between the sliding part and the ceiling.

[0077] The connecting plate 1221 is provided with a connecting hole 12211 penetrating along the third direction Z. By providing the connecting hole 12211 on the connecting plate 1221, a fastening member can be inserted into the connecting hole 12211 to achieve a fastening connection between the connecting plate 1221 and the ceiling, or a hanging rope can be inserted into the connecting hole 12211 to achieve a hanging rope connection between the connecting plate 1221 and the ceiling, thereby expanding the application range of the hanger and facilitating use.

[0078] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A rack, characterized in that: include: A frame having a first direction, the frame comprising a fixing member, a first sliding member and a first fastener, the fixing member having a first end and a second end opposite to each other in the first direction, the fixing member having a first through hole, the first sliding member comprising a first sliding portion and a first connecting portion, the first sliding portion being connected to the fixing member, the first connecting portion being fixedly connected to an end of the first sliding portion away from the second end in the first direction and being located at one side of the fixing member, the first sliding portion having a plurality of first positioning holes sequentially distributed along the first direction; Wherein, the first sliding member has: a first unlocked state, in which the first sliding portion is slidably connected to the fixing member and can move on the fixing member along the first direction; In the first locking state, the first fastener passes through the first through hole and is connected to any one of the plurality of first positioning holes, so that the first sliding portion and the fixing member are fixed.

2. The rack according to claim 1, characterized in that: The frame body further includes a second sliding member and a second fastener, the fixing member is provided with a second through hole located on one side of the first through hole, the second sliding member includes a second sliding portion and a second connecting portion, the second sliding portion is connected to the fixing member, the second connecting portion is fixedly connected to an end of the second sliding portion away from the first end in the first direction and is located on a side of the fixing member away from the first connecting portion, and the second sliding portion is provided with a plurality of second positioning holes sequentially distributed along the first direction; Wherein, the second sliding member has: a second unlocked state, in which the second sliding portion is slidably connected to the fixing member and can move on the fixing member along the first direction; In the second locking state, the second fastener passes through the second through hole and is connected to any one of the plurality of second positioning holes, so that the second sliding portion and the fixing member are fixed.

3. The rack according to claim 1, characterized in that: The frame also has a second direction and a third direction, and the first direction, the second direction and the third direction are perpendicular to each other; The fixing member comprises a base portion and a first matching portion, wherein the first matching portion is fixedly connected to one end of the base portion in the second direction, the first matching portion has a first sliding groove extending along the first direction, and the first matching portion is provided with the first through hole; The first sliding portion includes a base plate and a first slide plate, the first connecting portion is fixedly connected to the base plate, the first slide plate is fixedly connected to one end of the base plate in the second direction, at least a portion of the first slide plate is disposed in the first sliding groove, and the first positioning hole is provided on the first slide plate.

4. The rack according to claim 3, characterized in that: The first matching portion includes a first side plate, a top plate and a second side plate, the first side plate is fixedly connected to the base portion, the top plate is fixedly connected to an end of the first side plate in the third direction away from the base portion, the second side plate is fixedly connected to an end of the top plate in the second direction away from the first side plate and is arranged opposite to the first side plate, and the first sliding groove is formed between the first side plate, the top plate and the second side plate.

5. The rack according to claim 3, characterized in that: The first connecting portion includes a connecting plate and a first limiting plate, the connecting plate is fixedly connected to the bottom plate and extends along the first direction, the first limiting plate is fixedly connected to an end of the connecting plate away from the second end in the first direction and extends along the third direction.

6. The rack according to claim 5, characterized in that: The first connection part also includes a second limiting plate, which is arranged opposite to the first limiting plate, and the connecting plate is fixedly connected to the bottom plate through the second limiting plate, and a limiting groove is formed between the second limiting plate, the connecting plate and the first limiting plate.

7. The rack according to claim 5, characterized in that: The connecting plate is provided with a connecting hole penetrating along the third direction.

8. The rack according to claim 3, characterized in that: The fixing member further includes a second matching portion, the second matching portion is connected to an end of the base in the second direction away from the first matching portion and is arranged opposite to the first matching portion, and the second matching portion has a second sliding groove parallel to the first sliding groove; The first sliding portion further includes a second slide plate, which is connected to an end of the bottom plate in the second direction away from the first slide plate and parallel to the first slide plate, and at least a portion of the second slide plate is disposed in the second slide groove.

9. The rack according to any one of claims 1 to 8, characterized in that: The number of the frames is two, and the two frames are arranged in parallel.

10. The rack according to claim 9, characterized in that: It also includes a mounting seat, and two ends of the mounting seat are respectively connected to the two frames.

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