A liftable wall-mounted desk lamp

Abstract

The present invention discloses a liftable wall-mounted table lamp, comprising: a mounting seat and a lamp body support frame; a plurality of positioning holes, which are arranged at intervals on the lamp body support frame; a movable pressing piece, which is arranged on the mounting seat and can move in the horizontal direction; a locking piece, which is arranged on the mounting seat and can cooperate with the positioning hole; a first elastic piece, which acts on the locking piece; a second elastic piece, which acts on the movable pressing piece; when the movable pressing piece moves horizontally and squeezes the locking piece, the locking piece moves away from the lamp body support frame and separates from the positioning hole, the first elastic piece and the second elastic piece are deformed, and the lamp body support frame can slide in the vertical direction relative to the mounting seat; when only the second elastic piece acts on the movable pressing piece, the second elastic piece retreats with the movable pressing piece, and the first elastic piece drives the locking piece to be inserted into the corresponding positioning hole, and the lamp body support frame and the mounting seat remain relatively fixed. By pressing the movable pressing piece, the lamp body support frame and the mounting seat can be unlocked to adjust the height.

Description

Technical Field

[0001] The present invention relates to the technical field of table lamps, and more particularly to a liftable wall-mounted table lamp. Background Art

[0002] A lamp is an appliance that can transmit, distribute and change the light distribution of a light source, including all parts required to fix and protect the light source, as well as the wiring accessories necessary for connecting to the power supply. Modern lamps include home lighting, commercial lighting, industrial lighting, road lighting, landscape lighting, special lighting, etc.

[0003] Lighting fixtures in the home are divided into wall-mounted lamps and ceiling lamps. Wall-mounted lamps are generally fixed to the wall with hardware lamp stands by bolts to provide local lighting for the bedside area of ​​the bedroom or the desktop of the study table. After the installation of traditional wall-mounted lamps, their height is fixed and difficult to adjust. They cannot adapt to people with different sleeping or sitting positions on the bed.

[0004] In order to adapt to users of different heights and sitting postures, the existing long lamp pole table lamp installed on the study table usually includes a base and a lamp pole, wherein the base is fixed on the study table, the lamp pole is inserted into the base and can slide up and down relative to the base, and the lamp pole slides to a specified height according to the user's needs and then fixes the lamp pole and the base by tightening screws. However, when adjusting the height of the above-mentioned table lamp, the user needs to manually twist the bolts to lock and unlock the lamp pole, which is time-consuming and laborious. Summary of the invention

[0005] In order to solve the above technical problems, an object of the present invention is to provide a wall-mounted desk lamp whose lamp body height can be quickly adjusted.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A liftable wall-mounted desk lamp comprises: a mounting base and a lamp body support frame;

[0008] A plurality of positioning holes are arranged on the lamp body support frame at intervals along the vertical direction;

[0009] A movable pressing member is disposed on the mounting seat and can move in a horizontal direction;

[0010] A locking member, which is disposed on the mounting seat and can cooperate with the positioning hole, and the locking member is located on the travel path of the movable pressing member;

[0011] A first elastic member, acting on the locking member;

[0012] A second elastic member, acting on the movable pressing member;

[0013] When the movable pressing member moves in the horizontal direction and presses the locking member, the locking member moves away from the lamp body support frame and separates from the positioning hole, the first elastic member and the second elastic member are deformed, and the lamp body support frame can slide in the vertical direction relative to the mounting seat;

[0014] When only the second elastic member acts on the movable pressing member, the restoring force of the second elastic member drives the movable pressing member to retreat, and the restoring force of the first elastic member drives the locking member to reset and insert into the corresponding positioning hole, and the lamp body support frame and the mounting seat remain relatively fixed.

[0015] In a further scheme, the mounting base includes a base plate, the locking piece includes a bottom plate, a protrusion that can be inserted into the positioning hole is provided on the bottom plate, the movable pressing piece is located on the side of the bottom plate, the movable pressing piece has a head end and a tail end along its own length direction, the tail end of the movable pressing piece is away from the locking piece, and the head end of the movable pressing piece is provided with an extrusion portion, the plate surface of the extrusion portion gradually extends obliquely toward the center of the movable pressing piece along the direction from the tail end to the head end of the movable pressing piece, and when the movable pressing piece is in the horizontal direction and squeezes the locking piece, the extrusion portion and the plate edge of the bottom plate are abutted against each other and drive the bottom plate to move away from the lamp body support frame.

[0016] The movable pressing piece is pressed laterally, and the movable pressing piece moves in the horizontal direction. The extrusion part on the movable pressing piece abuts against the locking piece and forces the locking piece to move away from the lamp body support frame and separate from the positioning hole.

[0017] Since the plate surface of the extrusion part gradually extends obliquely toward the center of the movable pressing part from the tail end to the head end of the movable pressing part, the plate surface of the extrusion part is an inclined surface. When the movable pressing part is pressed, the plate surface of the extrusion part abuts against the plate edge of the bottom plate. As the inclined plate surface of the extrusion part gradually moves, the inclined plate surface of the extrusion part presses the bottom plate to drive the protrusion to move away from the lamp body support frame and separate from the positioning hole to achieve unlocking. If the plate surface of the extrusion part is a horizontal plane, it can only be offset from the bottom plate in the vertical direction, or abut against the side wall of the bottom plate, and cannot drive the bottom plate to move away from the lamp body support frame.

[0018] In a further embodiment, the first elastic member is a first spring, and the first spring is sandwiched between the base plate and the bottom plate.

[0019] In a further solution, a limiting portion is further provided at the head end of the movable pressing member, and the limiting portion is located in front of the extrusion portion, and the tail end of the limiting portion is connected to the head end of the extrusion portion; when only the second elastic member acts on the movable pressing member, the restoring force of the second elastic member drives the movable pressing member to retreat, and the restoring force of the first spring drives the locking member to reset, and the plate surface of the bottom plate is against the limiting portion.

[0020] Since only the second elastic member acts on the movable pressing member, the plate surface of the bottom plate abuts against the limiting portion, which can prevent the bottom plate from exceeding the stroke after rebounding. If the bottom plate exceeds the stroke range, the first spring may lose the limit and cause separation. And since the tail end of the limiting portion is connected to the head end of the extrusion portion, when pushing the movable pressing member, it can be ensured that the plate surface of the extrusion portion abuts against the plate edge of the bottom plate.

[0021] In a further solution, the movable pressing member includes a connecting plate and two extrusion plates, the extrusion portion is located at the head end of the extrusion plate, the extrusion plate is fixedly connected to the connecting plate, and the extrusion portions on the two extrusion plates are respectively located on both sides of the protrusion.

[0022] If there is only a single extrusion plate, the extrusion part on the extrusion plate is located on one side of the protrusion. When the extrusion part extrudes the bottom plate, one end of the bottom plate acted by the extrusion plate will gradually drop, while the other end of the protrusion will gradually rise, causing the protrusion to be unable to move away from the lamp body support frame normally. However, by providing two extrusion plates, and the extrusion parts on the two extrusion plates are respectively located on both sides of the protrusion, the extrusion parts on the two extrusion plates simultaneously squeeze the bottom plate, so that both ends of the bottom plate show a downward trend, so that the protrusion can smoothly move away from the lamp body support frame.

[0023] In a further solution, the second elastic member is a second spring, and two ends of the second spring respectively abut against the connecting plate and the locking member.

[0024] In a further solution, the mounting seat also includes a limit plate, the base plate and the limit plate are connected by a support member, and a gap is left between the base plate and the limit plate to form a pressing channel, the movable pressing member and the locking member are both located in the pressing channel, and the protrusion passes through the limit plate to form a plug-in portion that can be inserted into the positioning hole.

[0025] Since a pressing channel is formed by a gap between the base plate and the limiting plate, the movable extrusion member can only slide in the pressing channel, which plays a certain guiding role for the movable pressing member, and the locking member and the movable pressing member are limited by the limiting plate to prevent the locking member and the movable pressing member from detaching from the base plate.

[0026] In a further solution, the mounting seat also includes a cover body, which covers the substrate, and the movable pressing member and the locking member are both located inside the cover body. A pressing block is provided at the tail end of the movable pressing member, and the pressing block passes through the cover wall of the cover body and is exposed outside the cover body.

[0027] The movable pressing member is limited by the cover body to prevent the movable pressing member from being separated from the side due to the elastic force of the second elastic member. If the cover body is not provided, the movable pressing member may be separated from the opening of the pressing channel. Even if the movable pressing member does not fall out of the opening of the pressing channel, if the movable pressing member moves beyond the stroke, the second elastic member may lose the limit, resulting in the separation of the second elastic member and the movable pressing member.

[0028] In a further solution, the lamp body support frame is provided with a T-shaped slide groove extending in the vertical direction, the positioning hole is provided at the bottom of the slide groove, the limiting plate or the cover body is provided with a T-shaped block that can slide with the T-shaped slide groove, and the protrusion passes through the T-shaped block. Through the cooperation between the T-shaped slide groove and the T-shaped block, the lamp body support frame and the mounting seat are relatively fixed in the horizontal direction to avoid separation.

[0029] In a further solution, the number of the movable pressing members is two, and the two movable pressing members are disposed on opposite sides of the locking member. Since the two movable pressing members are disposed on opposite sides of the locking member, when the two movable pressing members are pressed, the extrusion parts on the two movable pressing members respectively squeeze the two side edges of the bottom plate, and the downward force applied by the extrusion parts to the bottom plate can be decomposed into a lateral force and a longitudinal force, and the lateral forces offset each other to prevent the locking member from moving laterally, while the longitudinal forces jointly drive the locking member to move away from the lamp body support frame.

[0030] Beneficial Effects

[0031] Since the movable pressing piece can move in the horizontal direction and the locking piece is located on the travel path of the movable pressing piece, the user only needs to press the movable pressing piece, and the movable pressing piece moves in the horizontal direction to squeeze the locking piece to force the locking piece to move away from the lamp body support frame and separate from the positioning hole. The lamp body support frame can slide in the vertical direction relative to the mounting seat, thereby realizing the height adjustment of the lamp body support frame.

[0032] And by providing a first elastic member and a second elastic member, wherein the first elastic member acts on the locking member and the second elastic member acts on the movable pressing member, when the user releases the movable pressing member, the second elastic member automatically drives the movable pressing member to retract, and the first elastic member automatically drives the locking member to reset and insert into the corresponding positioning hole, so that the lamp body support frame and the mounting seat remain relatively fixed, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of a liftable wall-mounted desk lamp;

[0034] Figure 2 It is a rear view of a liftable wall-mounted table lamp;

[0035] Figure 3 It is a top view and a partial enlarged view of a liftable wall-mounted table lamp;

[0036] Figure 4 is a schematic diagram of the structure of the mounting base;

[0037] Figure 5 This is a schematic diagram of the structure of the mounting base after the cover is removed;

[0038] Figure 6 This is a schematic diagram of the structure of the mounting base after removing the cover and the limit plate;

[0039] Figure 7 A side view of the mount with the cover removed;

[0040] Figure 8 is a structural schematic diagram of a movable pressing member;

[0041] Fig. 9 This is a schematic diagram of the structure of the movable pressing member from another perspective.

[0042] Explanation of the symbols in the schematic diagram:

[0043] 1-mounting seat, 2-lamp body support frame, 3-positioning hole, 4-movable pressing piece, 5-locking piece, 6-first spring, 7-second spring, 8-base plate, 9-limiting plate, 10-support member, 11-pressing channel, 12-bottom plate, 13-protrusion, 14-plug-in part, 15-connecting plate, 16-extrusion plate, 17-extrusion part, 18-limiting part, 19-cover body, 20-pressing block, 21-T-shaped slide groove, 22-T-shaped block. DETAILED DESCRIPTION

[0044] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and specific implementation methods.

[0045] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "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, rather than indicating or implying that the referred device or element 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.

[0046] See also Figure 1-9 This embodiment provides a liftable wall-mounted desk lamp, including a mounting base 1 and a lamp body support frame 2. Figure 2As shown, a plurality of positioning holes 3 are arranged at intervals along the vertical direction on the lamp body support frame 2. A movable pressing member 4 and a locking member 5 are arranged on the mounting seat 1, wherein the locking member 5 can be inserted into the positioning holes 3 on the lamp body support frame 2 for matching.

[0047] When there is no external force, the locking member 5 is inserted into the positioning hole 3 so that the lamp body support frame 2 and the mounting seat 1 remain relatively fixed. The movable pressing member 4 can move in the horizontal direction, and the locking member 5 is located on the travel path of the movable pressing member 4. When the user presses the movable pressing member 4, the movable pressing member 4 moves in the horizontal direction and contacts the locking member 5 and drives the locking member 5 to exit the positioning hole 3 so that the lamp body support frame 2 and the mounting seat 1 can slide relative to each other in the vertical direction.

[0048] In this solution, a first elastic member acts on the locking member 5, and a second elastic member acts on the movable pressing member 4. When the movable pressing member 4 moves in the horizontal direction to drive the locking member 5 out of the positioning hole 3, the first elastic member and the second elastic member are both in a deformed state. When the user releases the movable pressing member 4, the second elastic member drives the movable pressing member 4 to reset, and after the locking member 5 loses the force of the movable pressing member 4, the first elastic member drives the locking member 5 to reset and insert into the corresponding positioning hole 3, so that the lamp body support frame 2 and the mounting seat 1 remain relatively fixed.

[0049] As a specific implementation, in this embodiment, Figure 5 As shown, the base includes a base plate 8 and a limiting plate 9, the base plate 8 and the limiting plate 9 are connected by a support member 10, and a space is left between the base plate 8 and the limiting plate 9 to form a pressing channel 11. The movable pressing member 4 and the locking member 5 are both located in the pressing channel 11, and the movable pressing member 4 can only move along the pressing channel 11, and the pressing channel 11 guides the movable pressing member 4. At the same time, the locking member 5 and the movable pressing member 4 are limited by the limiting plate 9 to prevent the locking member 5 and the movable pressing member 4 from detaching from the base plate 8.

[0050] The locking member 5 includes a bottom plate 12, and a protrusion 13 is provided on the bottom plate 12. The protrusion 13 penetrates the above-mentioned limit plate 9 to form a plug-in portion 14 that can be inserted into the positioning hole 3. The movable pressing member 4 is located beside the bottom plate 12. Figure 8 and Fig. 9 As shown, the movable pressing plate 15 and the two extrusion plates 16, the extrusion plates 16 have a head end and a tail end along their own length direction, the plate surface of the extrusion plate 16 is perpendicular to the plate surface of the connecting plate 15, and the tail end of the extrusion plate 16 is fixedly connected to the connecting plate 15. The head end of the extrusion plate 16 is provided with an extrusion portion 17, and the plate surface of the extrusion portion 17 gradually extends obliquely toward the center of the extrusion plate 16 from the tail end to the head end.

[0051] In this scenario, see Figure 6 and Figure 7, the first elastic member is the first spring 6, the second elastic member is the second spring 7, the first spring 6 is sandwiched between the above-mentioned bottom plate 12 and the base plate 8, and the two ends of the second spring 7 are respectively against the connecting plate 15 and the bottom plate 12. When the user wants to adjust the height of the lamp body, he only needs to press the movable pressing member 4, and the movable pressing member 4 moves in the horizontal direction. During the movement of the movable pressing member 4, the second spring 7 is gradually compressed. And when the plate surface of the extrusion part 17 on the extrusion plate 16 is against the plate edge of the bottom plate 12, with the continuous movement of the movable pressing member 4, in the process of feeding the extrusion plate 16, the plate surface of the extrusion part 17 gradually presses the bottom plate 12 to move away from the lamp body support frame 2, and the extrusion parts of the two extrusion plates 16 in this scheme are respectively located on both sides of the protrusion 13. It is easy to understand that if there is only a single extrusion plate 16, the extrusion portion 17 on the extrusion plate 16 is located on one side of the protrusion 13, and when the extrusion portion 17 squeezes the bottom plate 12, one end of the bottom plate 12 acted by the extrusion plate 16 will gradually drop, while the other end of the protrusion 13 will gradually rise. However, by providing two extrusion plates 16, and the extrusion portions 17 on the two extrusion plates 16 are respectively located on both sides of the protrusion 13, the extrusion portions 17 on the two extrusion plates 16 squeeze the edge of the bottom plate 12 at the same time, so that both ends of the bottom plate 12 show a downward trend, which can avoid the problem that when a single extrusion plate 16 squeezes the bottom plate 12, one end of the bottom plate 12 drops and the other end rises.

[0052] As the base plate 12 descends, the first spring 6 is in a compressed state, and the protrusion 13 on the base plate 12 exits the positioning hole 3 on the lamp body support frame 2 to be unlocked. The user only needs to slide the lamp body support frame 2 in the vertical direction to adjust the height of the lamp body.

[0053] When the user slides the lamp body support frame 2 to the specified height, the user only needs to release the movable pressing member 4, and the restoring force of the second spring 7 drives the movable pressing member 4 to move in the opposite direction to reset. At this time, the locking member 5 loses the extrusion limit of the extrusion portion 17, and the restoring force of the first spring 6 drives the locking member 5 to retreat and reset. The plug-in portion 14 of the protrusion 13 on the locking member 5 is re-inserted into the corresponding positioning hole 3 to achieve locking, and the lamp body support frame 2 and the mounting base 1 can no longer be adjusted in height.

[0054] As a preferred embodiment, a limiting portion 18 is also provided at the head end of the extrusion plate 16. The limiting portion 18 is located in front of the extrusion portion 17 along the length direction of the extrusion plate 16, and the tail end of the limiting portion 18 is connected to the head end of the extrusion portion 17. When the user releases the movable pressing member 4 and only the second spring 7 acts on the movable pressing member 4, as the second spring 7 drives the movable pressing member 4 to retreat, the first spring 6 drives the locking member 5 to reset, and at this time, the plate surface of the bottom plate 12 abuts against the above-mentioned limiting portion 18. The locking member 5 and the movable pressing member 4 are limited by the limiting plate 9 to prevent the locking member 5 and the movable pressing member 4 from detaching from the base plate 8. And because the tail end of the limiting portion 18 is connected to the head end of the extrusion portion 17, the extrusion portion 17 can always abut against the plate edge of the bottom plate 12 during the subsequent feeding process.

[0055] At the same time, in this solution, there are two movable pressing pieces 4, which are arranged on both sides of the locking piece 5. When the user presses the two movable pressing pieces 4, the two movable pressing pieces 4 act on the bottom plate 12 at the same time to prevent the locking piece 5 from moving laterally when the movable pressing piece 4 squeezes the locking piece 5.

[0056] In order to prevent the elastic force of the second spring 7 from driving the movable pressing member 4 to pop out of the above-mentioned pressing channel 11. In this solution, the mounting seat 1 also includes a cover body 19, which covers the base, and the locking member 5, the movable pressing member 4 and the limiting plate 9 are all located inside the cover body 19. By providing the cover body 19, the movable pressing member 4 is limited by the cover body 19. Even if the restoring force of the second spring 7 exerts too much force on the movable pressing member 4 to reset, the connecting plate 15 will abut against the inner wall of the cover body 19 to prevent the movable pressing member 4 from popping out of the above-mentioned pressing channel 11. And because the cover body 19 prevents the movable pressing member 4 from popping out of the above-mentioned pressing channel 11, the end of the second spring 7 abutting against the connecting plate 15 will not lose the limit and cause the second spring 7 to separate from the movable pressing member 4.

[0057] In order to facilitate pressing the movable pressing member 4, a pressing block 20 is further provided on the connecting plate 15, and the pressing block 20 and the extrusion plate 16 are located on two opposite side end surfaces of the connecting plate 15. The pressing block 20 penetrates the cover wall of the cover body 19 and is exposed outside the cover body 19, so that the user can press the movable pressing member 4.

[0058] And in order to keep the lamp body support frame 2 and the mounting base 1 relatively fixed in the horizontal direction to avoid separation. Figure 3As shown, the lamp body support frame 2 is provided with a T-shaped slide groove 21 extending in the vertical direction, and the positioning hole 3 is provided at the bottom of the T-shaped slide groove 21. A T-shaped block 22 that can slide and cooperate with the above-mentioned T-shaped slide groove 21 is provided on the limiting plate 9. The T-shaped block 22 passes through the cover body 19 and is exposed outside the cover body 19, and the protrusion 13 on the bottom plate 12 also passes through the above-mentioned T-shaped block 22, so that the plug-in portion 14 is exposed outside the T-shaped block 22. The T-shaped block 22 is inserted into the T-shaped slide groove 21. Through the cooperation between the T-shaped slide groove 21 and the T-shaped block 22, the lamp body support frame 2 and the mounting seat 1 are relatively fixed in the horizontal direction to avoid separation.

[0059] It should be noted that, although the T-shaped block 22 is arranged on the limiting plate 9 in this solution, it is also feasible that the T-shaped block 22 is arranged on the cover body 19, and the protrusion 13 sequentially passes through the limiting plate 9, the cover body 19 and the T-shaped block 22 and is inserted into the positioning hole 3.

[0060] It should also be noted that, although the first elastic member and the second elastic member in the present solution are both springs, other elastic members in the prior art, such as tension springs, may also be used.

[0061] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

Claims

1. A liftable wall-mounted desk lamp, characterized in that: include: Mounting base and lamp body support frame; A plurality of positioning holes are arranged on the lamp body support frame at intervals along the vertical direction; A movable pressing member is disposed on the mounting seat and can move in a horizontal direction; A locking member, which is disposed on the mounting seat and can cooperate with the positioning hole, and the locking member is located on the travel path of the movable pressing member; a first elastic member, acting on the locking member; A second elastic member, acting on the movable pressing member; When the movable pressing member moves in the horizontal direction and presses the locking member, the locking member moves away from the lamp body support frame and separates from the positioning hole, the first elastic member and the second elastic member are deformed, and the lamp body support frame can slide in the vertical direction relative to the mounting seat; When only the second elastic member acts on the movable pressing member, the restoring force of the second elastic member drives the movable pressing member to retreat, and the restoring force of the first elastic member drives the locking member to reset and insert into the corresponding positioning hole, and the lamp body support frame and the mounting seat remain relatively fixed; The mounting seat comprises a base plate, the locking member comprises a bottom plate, a protrusion which can be inserted into the positioning hole is arranged on the bottom plate, the movable pressing member is located beside the bottom plate, the movable pressing member has a head end and a tail end along its own length direction, the tail end of the movable pressing member is away from the locking member, the head end of the movable pressing member is provided with an extrusion portion, the plate surface of the extrusion portion gradually extends toward the center of the movable pressing member along the direction from the tail end to the head end of the movable pressing member, and when the movable pressing member is in the horizontal direction and squeezes the locking member, the extrusion portion abuts against the plate edge of the bottom plate and drives the bottom plate to move away from the lamp body support frame; the first elastic member is a first spring, The first spring is clamped between the base plate and the bottom plate; a limiting portion is also provided at the head end of the movable pressing member, the limiting portion is located in front of the extrusion portion, and the tail end of the limiting portion is connected to the head end of the extrusion portion; when only the second elastic member acts on the movable pressing member, the restoring force of the second elastic member drives the movable pressing member to retreat, and the restoring force of the first spring drives the locking member to reset, and the plate surface of the bottom plate is against the limiting portion; the movable pressing member includes a connecting plate and two extrusion plates, the extrusion portion is located at the head end of the extrusion plate, the extrusion plate is fixedly connected to the connecting plate, and the extrusion portions on the two extrusion plates are respectively located on both sides of the protrusion.

2. The liftable wall-mounted table lamp according to claim 1, characterized in that: The second elastic member is a second spring, and two ends of the second spring are respectively against the connecting plate and the locking member.

3. The liftable wall-mounted table lamp according to claim 1, characterized in that: The mounting seat also includes a limiting plate, the base plate and the limiting plate are connected by a supporting member, and a gap is left between the base plate and the limiting plate to form a pressing channel, the movable pressing member and the locking member are both located in the pressing channel, and the protrusion passes through the limiting plate to form a plug-in portion that can be inserted into the positioning hole.

4. The liftable wall-mounted table lamp according to claim 3, characterized in that: The mounting seat also includes a cover body, which covers the substrate. The movable pressing member and the locking member are both located in the cover body. A pressing block is provided at the tail end of the movable pressing member. The pressing block penetrates the cover wall of the cover body and is exposed outside the cover body.

5. The liftable wall-mounted table lamp according to claim 4, characterized in that: The lamp body support frame is provided with a T-shaped slide groove extending in the vertical direction, the positioning hole is provided at the bottom of the T-shaped slide groove, the limiting plate or the cover body is provided with a T-shaped block that can slide with the T-shaped slide groove, and the protrusion passes through the T-shaped block.

6. The liftable wall-mounted table lamp according to claim 1, characterized in that: The number of the movable pressing members is two, and the two movable pressing members are respectively arranged on two opposite sides of the locking member.

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