Liftable support

Abstract

The utility model provides a liftable support and belongs to the technical field of supports. The stand column comprises a fixed pipe fitting and a movable pipe fitting, the movable pipe fitting is connected with the fixed pipe fitting in a nested mode and can move relative to the fixed pipe fitting, and the fixed pipe fitting is connected with the base; the self-locking gas spring is installed in the stand column, one end of the self-locking gas spring is connected to the base or the fixed pipe fitting, and the other end of the self-locking gas spring extends into the movable pipe fitting and is connected with the movable pipe fitting; the switch is installed on the side wall of the movable pipe fitting, one end of the switch can make contact with a valve element of the self-locking air spring, and the valve element is controlled to retract by pressing the switch so that unlocking of the self-locking air spring can be achieved. The lifting of the stand column is realized through the matching between the self-locking air spring and the switch, the switch is arranged on the side wall of the movable pipe fitting, the lifting can be realized by grasping with a single hand, the operation is convenient and reliable, the safety of the display can be ensured in the lifting process, and the use experience of a user on a product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of brackets and relates to a liftable bracket. Background Art

[0002] Various displays have been widely used in today's life. Currently, liquid crystal displays are basically the mainstream. Liquid crystal displays are a kind of display that is approximately plate-shaped and cannot stand on its own. It must be supported by a support device such as a support frame to be used.

[0003] Currently, there is a monitor stand on the market, which has a base, a column arranged on the base, and the top of the column can be used to install the monitor. In order to make it more comfortable in actual use, some monitor stands have a lifting function. However, these monitor stands with lifting functions are either complex in structure and high in cost; or inconvenient to operate, usually requiring the assistance of multiple people to complete the lifting, especially after the monitor is installed, the operation is more inconvenient, and the appearance of the entire product is poor. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems existing in the prior art and to provide a liftable bracket which has a simple structure, is easy to operate, has a better appearance and improves user experience.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a liftable bracket, comprising:

[0006] Base;

[0007] The column includes a fixed pipe and a movable pipe. The movable pipe is nested and connected with the fixed pipe and can move relative to the fixed pipe. The fixed pipe is connected to the base.

[0008] A self-locking gas spring is installed in the column, and one end of the self-locking gas spring is connected to the base or the fixed pipe fitting, and the other end of the self-locking gas spring extends into the movable pipe fitting and is connected to the movable pipe fitting;

[0009] The switch is installed on the side wall of the movable pipe. One end of the switch can contact the valve core of the self-locking gas spring. By pressing the switch, the valve core is controlled to retract to unlock the self-locking gas spring.

[0010] In the above-mentioned liftable bracket, an extrusion part is provided on one end of the switch located in the movable tube. When the switch is pressed, the valve core is pressed into the self-locking gas spring through the extrusion part, thereby unlocking the self-locking gas spring; when the switch is released, the extrusion part releases the extrusion of the valve core, thereby realizing self-locking of the self-locking gas spring.

[0011] In the above-mentioned liftable bracket, the movable pipe includes a movable sleeve and a fixed seat, one end of the movable sleeve is sleeve-connected to the fixed pipe, the other end of the movable sleeve is connected to the fixed seat, and the switch is movably connected to the fixed seat, the extrusion part of the switch is located in the fixed seat and contacts the valve core.

[0012] In the above-mentioned liftable bracket, the switch also includes a pressing part, a reset spring is provided between the extrusion part of the switch and the fixed seat, the extrusion part includes an extrusion inclined surface that can contact the valve core, and pressing the pressing part can push the extrusion inclined surface to overcome the elastic force of the reset spring to squeeze the valve core.

[0013] In the above-mentioned liftable bracket, a strip groove for the switch to move is provided on the fixing seat, and the opening direction of the strip groove and the extension direction of the valve core form an angle, wherein the valve core extends into the strip groove.

[0014] In the above-mentioned liftable bracket, a mounting groove is provided at one end of the switch located in the fixed seat, and the opening direction of the mounting groove is opposite to the opening direction of the strip groove, wherein the two ends of the reset spring respectively abut against the bottom of the mounting groove and the bottom of the strip groove.

[0015] In the above-mentioned liftable bracket, a limiting portion is provided between one end of the switch located in the fixing seat and the fixing seat, and the moving stroke of the switch is controlled by the limiting portion.

[0016] In the above-mentioned liftable bracket, the limiting portion includes a convex portion or a concave portion arranged on a side wall at one end of the switch located in the fixed seat, and a corresponding concave portion or a convex portion arranged on the fixed seat, wherein the movement stroke of the switch is controlled by the movement of the convex portion in the concave portion.

[0017] In the above-mentioned liftable bracket, the convex part is a limit screw, which is screwed on the fixing seat, and the concave part is a limit slot arranged on the switch, wherein the opening direction of the limit slot is toward the limit screw, and one end of the limit screw extends into the limit slot.

[0018] In the above-mentioned liftable bracket, the end surface of the switch located outside the movable tube is arranged in a curved surface and protrudes outward.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] (1) The utility model provides a liftable bracket, which realizes the lifting of the column through the cooperation between the self-locking gas spring and the switch. The switch is installed on the side wall of the movable tube. The lifting can be achieved by grasping with one hand, and the operation is convenient and reliable. Moreover, since the movable tube is grasped, when the display is installed on the top of the movable tube, the safety of the display can also be guaranteed during the lifting process. The utility model effectively improves the user experience of the product.

[0021] (2) The surface of the extrusion part that matches the valve core is arranged in an inclined surface, so that the unlocking process or the self-locking process of the self-locking gas spring is a gradual process rather than a sudden process, making the use of the product safer and more reliable.

[0022] (3) By providing an installation groove, and the two ends of the return spring respectively abut against the bottom of the installation groove and the bottom of the strip groove, the return spring always moves along its own axial direction when it is deformed, such as during compression or extension, to avoid bending or twisting of the return spring, thereby improving the reliability of the product during use and extending the service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a liftable bracket of the utility model.

[0024] Figure 2 It is a cross-sectional view of a liftable bracket in a self-locking state of the utility model.

[0025] Figure 3 yes Figure 2 Enlarged view of part A.

[0026] Figure 4 It is a cross-sectional view of a liftable bracket in an unlocked state according to the utility model.

[0027] Figure 5 yes Figure 4 Enlarged view of part B.

[0028] Figure 6 It is a partial exploded sectional view of a liftable bracket of the utility model.

[0029] Figure 7 yes Figure 6 Magnified view of part C.

[0030] In the figure, 10, base; 11, universal wheel; 20, column; 21, fixed pipe; 22, movable pipe; 221, movable sleeve; 222, fixed seat; 223, groove; 224, limit screw; 30, self-locking gas spring; 31, valve core; 40, switch; 41, extrusion part; 411, extrusion slope; 412, first end face; 413, second end face; 414, installation groove; 415, limit groove; 42, pressing part; 50, return spring. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] like Figures 1 to 7 As shown, the utility model provides a liftable bracket, comprising:

[0034] Base 10;

[0035] A column 20, the column includes a fixed pipe 21 and a movable pipe 22, the movable pipe 22 is nested and connected with the fixed pipe 21, and can move relative to the fixed pipe 21, and the fixed pipe 21 is connected to the base 10;

[0036] A self-locking gas spring 30 is installed in the column 20, and one end of the self-locking gas spring 30 is connected to the base 10 or the fixed pipe 21, and the other end of the self-locking gas spring 30 extends into the movable pipe 22 and is connected to the movable pipe 21;

[0037] The switch 40 is installed on the side wall of the movable pipe 22 . One end of the switch 40 can contact the valve core 31 of the self-locking gas spring 30 . By pressing the switch 40 , the valve core 31 is controlled to retract to unlock the self-locking gas spring 30 .

[0038] The utility model provides a liftable bracket, which realizes the lifting and lowering of the column 20 through the cooperation between the self-locking gas spring 30 and the switch 40. The switch 40 is installed on the side wall of the movable tube 22. The lifting and lowering can be realized by grasping with one hand, and the operation is convenient and reliable. Moreover, since the movable tube 22 is grasped, when the display is installed on the top of the movable tube 22, the safety of the display can also be guaranteed during the lifting process. The utility model effectively improves the user experience of using the product.

[0039] It is worth mentioning that one end of the switch 40 that contacts and cooperates with the valve core 31 is located inside the column 20, and the other end of the switch 40 is located outside the column 20 and serves as a trigger end. By pressing the trigger end, the valve core 31 is controlled to retract to unlock the self-locking gas spring 30.

[0040] Further preferably, the trigger end is located outside the movable tube 22, and the end surface of the trigger end is designed to be a convex curved surface, and the curved surface fits the palm of the hand, thereby increasing the contact area between the switch 40 and the user's palm, making the grip more labor-saving and improving the user's comfort when pressing the switch 40. For example, the curved surface can be a curved surface or a partial spherical surface.

[0041] It is worth mentioning that a universal wheel 11 can be provided on the base 10, and the universal wheel 11 has a braking function to facilitate the movement of the product. When the product is moved to the corresponding position, the universal wheel 11 can be braked to improve the stability of the product during use.

[0042] Preferably, an extrusion portion 41 is provided on one end of the switch 40 located inside the movable tube 22. When the switch 40 is pressed, the valve core 31 is pressed into the self-locking gas spring 30 through the extrusion portion 41, thereby unlocking the self-locking gas spring 30; when the switch 40 is released, the extrusion portion 41 releases the extrusion on the valve core 31, thereby self-locking the self-locking gas spring 30.

[0043] It is further pointed out that the extrusion portion 41 includes an extrusion slope 411 that can contact the valve core 31, and there is a height difference between the two ends of the extrusion slope 411, wherein the two ends of the extrusion slope 411 are respectively connected to the first step surface 412 and the second step surface 413, and when the lifting bracket is placed vertically on a plane, the first step surface 412 is higher than the second step surface 413, and the extrusion slope 411 gradually tilts upward. When the switch 40 is pressed, the valve core 31 gradually approaches the second step surface 413 along the extrusion slope 411, but does not contact the second step surface 413, thereby realizing the unlocking of the self-locking gas spring 30; when the switch 40 is released, the valve core 31 gradually approaches the first step surface 412 along the extrusion slope 411, but does not contact the first step surface 412, thereby realizing the self-locking of the self-locking gas spring 30.

[0044] In this embodiment, the surface of the extrusion portion 41 that cooperates with the valve core 31 is arranged in an inclined surface, so that the unlocking process or the self-locking process of the self-locking gas spring 30 is a gradual process rather than a sudden process, making the use of the product safer and more reliable.

[0045] Preferably, the switch 40 further includes a pressing portion 42 , and a return spring 50 is provided between the extrusion portion 41 of the switch 40 and the movable tube 22 . Pressing the pressing portion 42 can push the extrusion slope 411 to overcome the elastic force of the return spring 50 to extrude the valve core 31 .

[0046] Preferably, the movable tube 22 includes a movable sleeve 221 and a fixed seat 222, one end of the movable sleeve 221 is sleeved and connected to the fixed tube 21, and the other end of the movable sleeve 221 is fixedly connected to the fixed seat 222. The switch 40 is movably connected to the fixed seat 222. The pressing portion 42 of the switch 40 is located outside the fixed seat 222, and the extrusion portion 41 of the switch 40 is located inside the fixed seat 222 and can contact the valve core 31. Specifically, the movable sleeve 221 is a hollow pipe, and one end of the fixed seat 222 connected to the movable sleeve 221 is provided with a through hole, and the through hole is communicated with the hollow cavity of the movable sleeve 221, so that the valve core 31 can enter the fixed seat 222 through the through hole and can contact the extrusion portion 41.

[0047] Further preferably, a slot 223 for movement of the switch 40 is provided on the fixing seat 222 , and an opening direction of the slot 223 forms an angle with a telescopic direction of the valve core 31 , wherein the valve core 31 extends into the slot 223 .

[0048] In this embodiment, a groove 223 is provided on the fixed seat 222 to serve as a guide for the extrusion portion 41 in the switch 40 during movement, thereby ensuring that the extrusion portion 41 is in the correct moving direction and can contact the valve core 31, thereby improving the reliability of the self-locking gas spring 30 during the unlocking and self-locking process.

[0049] Preferably, a mounting groove 414 is provided at one end of the switch 40 located in the fixing seat 222, and the opening direction of the mounting groove 414 is opposite to the opening direction of the strip groove 223, wherein the two ends of the return spring 50 are respectively against the bottom of the mounting groove 414 and the bottom of the strip groove 223.

[0050] It is worth mentioning that by setting the mounting groove 414, and the two ends of the return spring 50 are respectively against the bottom of the mounting groove 414 and the bottom of the strip groove 223, the return spring 50 always moves along its own axial direction when deformation occurs, such as during compression or extension, to avoid bending or twisting of the return spring 50, thereby improving the reliability of the product during use and extending the service life of the product.

[0051] On the basis of the above-mentioned embodiment, a limiting portion is provided between one end of the switch 40 located in the fixing seat 222 and the fixing seat 222 in this embodiment, and the movable connection between the switch 40 and the fixing seat 222 is realized through the limiting portion, and the moving stroke of the switch 40 is controlled.

[0052] It is further pointed out that the limiting portion includes a convex portion or a concave portion arranged on the side wall of one end of the switch 40 located in the fixing seat 222, and a corresponding concave portion or a convex portion arranged on the fixing seat 222, wherein the movement of the convex portion in the concave portion can not only ensure that the switch 40 will not fall out of the strip groove 223, but also control the movement stroke of the switch 40.

[0053] Further preferably, the convex portion is a limit screw 224, which is screwed on the fixing seat 222, and the concave portion is a limit slot 415 arranged on the switch 40, wherein the opening direction of the limit slot 415 is toward the limit screw 224, and one end of the limit screw 224 is deep in the limit slot 415.

[0054] In this embodiment, a limit portion is provided to control the movement stroke of the switch 40 to prevent the switch 40 from exceeding its corresponding stroke during the pressing process or the retracting process, thereby preventing the switch 40 from being damaged, thereby improving the reliability of product use.

[0055] It should be noted that in the present utility model, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The terms "connected", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0056] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0057] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A liftable bracket, characterized in that: include: Base (10); A column (20), the column comprising a fixed pipe (21) and a movable pipe (22), the movable pipe (22) being nested and connected with the fixed pipe (21) and being movable relative to the fixed pipe (21), and the fixed pipe (21) being connected to the base (10); A self-locking gas spring (30) is installed in the column (20), and one end of the self-locking gas spring (30) is connected to the base (10) or the fixed pipe (21), and the other end of the self-locking gas spring (30) extends into the movable pipe (22) and is connected to the movable pipe (22); A switch (40) is installed on the side wall of the movable tube (22), one end of the switch (40) can contact the valve core (31) of the self-locking gas spring (30), and the valve core (31) is controlled to retract by pressing the switch (40) to achieve unlocking of the self-locking gas spring (30).

2. A liftable bracket according to claim 1, characterized in that: An extrusion portion (41) is provided on one end of the switch (40) located inside the movable tube (22); when the switch (40) is pressed, the valve core (31) is pressed into the self-locking gas spring (30) through the extrusion portion (41), thereby unlocking the self-locking gas spring (30); when the switch (40) is released, the extrusion portion (41) releases the extrusion of the valve core (31), thereby self-locking the self-locking gas spring (30).

3. A liftable support according to claim 2, characterized in that: The movable tube (22) comprises a movable sleeve (221) and a fixed seat (222); one end of the movable sleeve (221) is sleeved and connected to the fixed tube (21); the other end of the movable sleeve (221) is connected to the fixed seat (222); the switch (40) is movably connected to the fixed seat (222); the extrusion portion (41) of the switch (40) is located in the fixed seat (222) and is in contact with the valve core (31).

4. A liftable support according to claim 3, characterized in that: The switch (40) further comprises a pressing portion (42); a return spring (50) is provided between the extrusion portion (41) of the switch (40) and the fixing seat (222); the extrusion portion (41) comprises an extrusion inclined surface (411) that can contact the valve core (31); the pressing portion (42) is pressed to push the extrusion inclined surface (411) to overcome the elastic force of the return spring (50) and extrude the valve core (31).

5. The liftable support according to claim 4, characterized in that: The fixing seat (222) is provided with a strip groove (223) for the switch (40) to move, and the opening direction of the strip groove (223) and the extension direction of the valve core (31) form an included angle, wherein the valve core (31) extends into the strip groove (223).

6. The liftable support according to claim 5, characterized in that: A mounting groove (414) is provided at one end of the switch (40) located inside the fixing seat (222), and the opening direction of the mounting groove (414) is opposite to the opening direction of the strip groove (223), wherein two ends of the return spring (50) respectively abut against the bottom of the mounting groove (414) and the bottom of the strip groove (223).

7. A liftable support according to any one of claims 3 to 6, characterized in that: A limiting portion is provided between one end of the switch (40) located inside the fixing seat (222) and the fixing seat (222), and the movement stroke of the switch (40) is controlled by the limiting portion.

8. The liftable support according to claim 7, characterized in that: The limiting portion comprises a convex portion or a concave portion arranged on a side wall of one end of the switch (40) located in the fixing seat (222), and the concave portion or the convex portion correspondingly arranged on the fixing seat (222), wherein the movement stroke of the switch (40) is controlled by the movement of the convex portion in the concave portion.

9. The liftable support according to claim 8, characterized in that: The convex portion is a limit screw (224), and the limit screw (224) is screwed on the fixing seat (222), and the concave portion is a limit slot (415) arranged on the switch (40), wherein the opening direction of the limit slot (415) is toward the limit screw (224), and one end of the limit screw (224) extends into the limit slot (415).

10. The liftable support according to claim 1, characterized in that: An end surface of the switch (40) located outside the movable tube (22) is arranged in a curved surface and bulges outwards.

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