Table lifting mechanism control device

Abstract

The utility model discloses a table lifting mechanism control device which comprises a table top, a base, a first connecting rod and a second connecting rod, the table top and the base are connected through the first connecting rod and the second connecting rod, and the middle of the first connecting rod and the middle of the second connecting rod are rotationally connected to one point. Two first guide rails are arranged on the table top, and two second guide rails are arranged on the base. A first movable block is arranged on the first guide rail, a second movable block is arranged on the second guide rail, the first connecting rod is connected with the first movable block, and the second connecting rod is connected with the second movable block; a first movable plate is arranged at the bottom of the table top, a plurality of fixed plates are arranged on the first movable plate, a third connecting rod is arranged on the first movable plate, and part of the fixed plates are located on the two sides of the third connecting rod when the first movable plate moves towards the third connecting rod; the fixing device has a good fixing effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of office desks, in particular to a control device for a desk lifting mechanism. Background Art

[0002] Due to the nature of their work, many people have to sit for long periods of time. According to medical research, long periods of sitting will increase all-cause mortality, especially cardiovascular disease, diabetes and obesity. For people who sit for long periods of time in a single day, the chance of dying from cardiovascular disease will increase by 50%. For people who have the habit of exercising, sitting for long periods of time will inevitably increase their mortality. This is because sitting will slow down the circulation of lipase in the human body and reduce the body's absorption of fat, while when standing, muscles will promote the action of lipase, prompting the body to process fat and cholesterol, and it has nothing to do with the length of exercise time.

[0003] In order to avoid the harm of long-term sitting to human health, the existing technology has designed various tables that can be used while standing, that is, the table is made into a liftable form, and the desktop is lifted and lowered by a connecting rod structure. The existing manual lifting table fixes the height of the desktop by friction, and the load-bearing capacity of the desktop is limited, which cannot meet office needs. Utility Model Content

[0004] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a table lifting mechanism control device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a table lifting mechanism control device, including a desktop, a base, a first connecting rod and a second connecting rod, the desktop and the base are connected by the first connecting rod and the second connecting rod, the middle parts of the first connecting rod and the second connecting rod are rotatably connected at one point; two first guide rails are provided on the desktop, and two second guide rails are provided on the base; a first movable block is provided on the first guide rail, and a second movable block is provided on the second guide rail, the first connecting rod is connected to the first movable block, and the second connecting rod is connected to the second movable block; a first movable plate is provided at the bottom of the desktop, a plurality of fixed plates are provided on the first movable plate, and a third connecting rod is provided on the first movable block, and when the first movable plate moves toward the direction of the third connecting rod, some of the fixed plates are on both sides of the third connecting rod.

[0007] Furthermore, the first movable blocks on the two first guide rails are connected through a third connecting rod, the third connecting rod is provided with a connecting part, the connecting part is provided with a connecting groove, a connecting shaft is provided in the connecting groove, and the first connecting rod is connected to the connecting shaft; a first connecting block is provided on the base, and the other end of the first connecting rod is rotatably connected to the first connecting block.

[0008] Furthermore, a mounting plate is provided at the bottom of the desktop, a first movable groove is provided on the mounting plate, the first movable plate is located in the first movable groove, a plurality of second movable grooves are provided at the bottom of the first movable plate, and the fixing plate is located in the second movable grooves.

[0009] Furthermore, a first slot is provided on the side wall of the first movable groove, a first push plate is provided on the first movable plate, and the first push plate passes through the first slot.

[0010] Furthermore, a third movable block is provided in the first guide rail, the third movable block is provided with a third movable groove, and the first movable block is located in the third movable groove.

[0011] Furthermore, a through groove is provided at the bottom of the third movable groove, a movable plate is provided in the through groove, a plurality of limit plates are provided at the bottom of the movable plate, and a plurality of limit grooves corresponding to the limit plates are provided on the inner wall of the first guide rail.

[0012] Furthermore, a fourth movable groove is provided at the bottom of the first movable block, a push block is provided in the fourth movable groove, and a first connecting spring is provided on the push block; a top plate and a support plate are provided in the through groove, the push block is against the top plate, a support spring is provided on the support plate, and the support spring is against the movable plate.

[0013] Furthermore, two fifth movable grooves are arranged on the top of the third movable groove, a stopper is arranged in the fifth movable groove, and a second connecting spring is arranged on the stopper; the two fifth movable grooves are respectively located on both sides of the first movable block.

[0014] Furthermore, a movable cavity is provided on the side wall of the limiting groove, a second movable plate is provided in the movable cavity, a plurality of push rods are provided on the second movable plate, the push rods are passed through the limiting groove, a second push plate is provided on the second movable plate, and a second slot for the second push plate to pass through is provided on the side wall of the movable cavity.

[0015] Furthermore, a sixth movable groove is provided on the first guide rail, a third push plate is provided on the third movable block, and the third push plate extends from the sixth movable groove; a sliding block is provided on the side wall of the first movable block, and a sliding groove for the sliding block to move is provided on the side wall of the third movable groove, and the sliding groove is communicated with the sixth movable groove.

[0016] The utility model is beneficial in that it provides a table lifting mechanism control device with good fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0018] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0019] In the attached picture:

[0020] Figure 1 The figure is a structural schematic diagram of a table lifting mechanism control device in one embodiment of the utility model.

[0021] Figure 2 for Figure 1 A right side view of the table lift mechanism control device in the illustrated embodiment.

[0022] Figure 3 for Figure 1 A cross-sectional view of the first movable plate of the table lifting mechanism control device in the illustrated embodiment.

[0023] Figure 4 for Figure 3 Enlarged view of point A in .

[0024] Figure 5 for Figure 3 Enlarged view of point B in .

[0025] Figure 6 for Figure 1 A cross-sectional view of the first guide rail of the table lift mechanism control device in the illustrated embodiment.

[0026] Figure 7 for Figure 6 Enlarged view of point C in the figure.

[0027] Figure 8 for Figure 1 Tabletop cross-sectional view of the table lift mechanism control device in the illustrated embodiment.

[0028] Fig. 9 for Figure 8 Enlarged view of point D in .

[0029] The meanings of the reference numerals in the figures are as follows:

[0030] 101, desktop; 102, base; 103, first connecting rod; 104, second connecting rod; 105, first guide rail; 1051, limit groove; 106, second guide rail; 107, second push plate; 108, third push plate; 109, third connecting rod; 1091, connecting part; 110, connecting shaft; 111, mounting plate; 1111, first movable groove; 112, first movable plate; 1121, second movable groove; 113, fixing plate ; 114, first push plate; 115, second movable block; 116, first connecting block; 117, first movable block; 1171, slider; 118, third movable block; 1181, top plate; 1182, support plate; 1183, slide groove; 119, stop block; 1191, second connecting spring; 120, push block; 1201, first connecting spring; 121, movable plate; 1211, limit plate; 122, push rod; 123, support spring. DETAILED DESCRIPTION

[0031] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0032] It should also be noted that, for ease of description, only the parts related to the relevant utility model are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0033] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0034] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0035] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0036] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0037] like Figure 1-9As shown, a table lifting mechanism control device includes a desktop 101, a base 102, a first connecting rod 103 and a second connecting rod 104, the desktop 101 and the base 102 are connected by the first connecting rod 103 and the second connecting rod 104, and the middle parts of the first connecting rod 103 and the second connecting rod 104 are rotatably connected at one point; two first guide rails 105 are provided on the desktop 101, and two second guide rails 106 are provided on the base 102; a first movable block 117 is provided on the first guide rail 105, and a second movable block 115 is provided on the second guide rail 106, the first connecting rod 103 is connected to the first movable block 117, and the second connecting rod 104 is rotatably connected to the second movable block 115; a first movable plate 112 is provided at the bottom of the desktop 101, a plurality of fixed plates 113 are provided on the first movable plate 112, and a third connecting rod 109 is provided on the first movable block 117, and when the first movable plate 112 moves toward the third connecting rod 109, some of the fixed plates 113 are on both sides of the third connecting rod 109.

[0038] The first movable blocks 117 on the two first guide rails 105 are connected through the third connecting rod 109. The third connecting rod 109 is provided with a connecting part 1091. The connecting part 1091 is provided with a connecting groove. A connecting shaft 110 is rotatably connected in the connecting groove, and the first connecting rod 103 is connected to the connecting shaft 110; a first connecting block 116 is provided on the base 102, and the other end of the first connecting rod 103 is rotatably connected to the first connecting block 116; a second connecting block is provided on the bottom surface of the desktop 101, and one end of the second connecting rod 104 is rotatably connected to the second connecting block.

[0039] The desktop 101 has a mounting plate 111 at the bottom, a first movable groove 1111 is provided on the mounting plate 111, a first movable plate 112 is in the first movable groove 1111, a plurality of second movable grooves 1121 are provided at the bottom of the first movable plate 112, a fixing plate 113 is in the second movable groove 1121, the fixing plate 113 can move in the second movable groove 1121 but cannot escape from the second movable groove 1121; a first slot is provided on the side wall of the first movable groove 1111, a first push plate 114 is provided on the first movable plate 112, and the first push plate 114 passes through the first slot.

[0040] When it is necessary to push the desktop 101 to move, the first push plate 114 is pressed upwards, and the first push plate 114 drives the first movable plate 112 to move, and the first movable plate 112 moves to the top of the first movable groove 1111, and the fixed plate 113 rises to above the third connecting rod 109, and the desktop 101 is pushed hard so that the desktop 101 can be adjusted in height as needed; after the height of the desktop 101 is adjusted, the first push plate 114 is released, and the first movable plate 112 moves to the bottom of the first movable groove 1111 under the action of gravity, and the fixed plate 113 descends to both sides of the third connecting rod 109, and the fixed plate 113 resting on the third connecting rod 109 enters the second movable groove 1121, and the third connecting rod 109 rests on the fixed plate 113 to fix the first movable block 117, thereby fixing the desktop 101 at the current height.

[0041] Furthermore, a third movable block 118 is also provided in the first guide rail 105, and the third movable block 118 is provided with a third movable groove, and the first movable block 117 is located in the third movable groove; a through groove is provided at the bottom of the third movable groove, and a movable plate 121 is provided in the through groove, and a plurality of limit plates 1211 are provided at the bottom of the movable plate 121, and a plurality of limit grooves 1051 corresponding to the limit plates 1211 are provided on the inner wall of the first guide rail 105; a fourth movable groove is provided at the bottom of the first movable block 117, and a push block 120 is provided in the fourth movable groove, and a first connecting spring 1201 is provided on the push block 120; a top plate 1181 and a support plate 1182 are provided in the through groove, and the push block 120 rests on the top plate 1181, and a support spring 123 is provided on the support plate 1182, and the support spring 123 rests on the movable plate 121.

[0042] Two fifth movable grooves are provided on the top of the third movable groove, a stopper 119 is provided in the fifth movable groove, and a second connecting spring 1191 is provided on the stopper 119; the two fifth movable grooves are respectively located on both sides of the first movable block 117, and the end of the stopper 119 exposed from the third movable groove is an arc structure.

[0043] A movable cavity is provided on the side wall of the limiting groove 1051, a second movable plate is provided in the movable cavity, a plurality of push rods 122 are provided on the second movable plate, the push rods 122 pass through the limiting groove 1051, a second push plate 107 is provided on the second movable plate, and a second slot for the second push plate 107 to pass through is provided on the side wall of the movable cavity.

[0044] A sixth movable groove is provided on the first guide rail 105, and a third push plate 108 is provided on the third movable block 118, and the third push plate 108 extends out of the sixth movable groove; a slider 1171 is provided on the side wall of the first movable block 117, and a slide groove 1183 for the slider 1171 to move is provided on the side wall of the third movable groove, and the slide groove 1183 is communicated with the sixth movable groove.

[0045] When the fixed plate 113 loses its fixing effect on the desktop 101, or the first movable plate 112 is stuck, and the load on the desktop 101 is too large, the desktop 101 drops rapidly due to being unable to bear the weight. At this time, the first movable block 117 moves rapidly due to the rapid drop of the desktop 101, and the third movable block 118 cannot keep up with the movement of the first movable block 117. The first movable block 117 pushes the stopper 119 to enter the fifth movable groove, and the first movable block 117 moves relative to the third movable block 118. After the push block 120 is removed from the top plate 1181, the first connecting spring 1201 pushes the push block 120 to move, and the push block 120 abuts against the movable block 118. The movable plate 121 pushes the movable plate 121 to move, and the limiting plate 1211 is inserted into the limiting groove 1051 to fix the third movable block 118. After the slider 1171 moves to one end of the slide groove 1183, the first movable block 117 is also fixed with the third movable block 118, and an emergency brake is applied to the desktop 101 to prevent the desktop 101 from suddenly falling and damaging the items on the desktop 101; when the desktop 101 is normally lifted or lowered, the first movable block 117 moves slowly, and the first movable block 117 abuts against the stop block 119 to drive the third movable block 118 to move together, and the push block 120 abuts against the top plate 1181 to ensure the normal use of the table.

[0046] After the desktop 101 is braked and the load-bearing capacity of the desktop 101 is adjusted, the second push plate 107 is pushed upward, and the second push plate 107 drives the second movable plate to move upward. The push rod 122 pushes the limiting plate 1211 to move out of the limiting groove 1051, and the movable plate 121 pushes the push block 120 to move into the fourth movable groove, pushing the third push plate 108 to move, and the third push plate 108 drives the third movable block 118 to move, and the slider 1171 moves back to the middle position of the slide groove 1183. At this time, the push block 120 is on the top plate 1181, and the resetting of the first movable block 117 and the third movable block 118 is completed.

[0047] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned utility model concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) to form a technical solution.

Claims

1. A control device for a table lifting mechanism, comprising a tabletop, a base, a first connecting rod and a second connecting rod, wherein the tabletop and the base are connected by the first connecting rod and the second connecting rod, and the first connecting rod and the second connecting rod are rotatably connected at a point in the middle; two first guide rails are provided on the tabletop, and two second guide rails are provided on the base; a first movable block is provided on the first guide rail, and a second movable block is provided on the second guide rail, the first connecting rod is connected to the first movable block, and the second connecting rod is connected to the second movable block; characterized in that: A first movable plate is provided at the bottom of the desktop, a plurality of fixed plates are provided on the first movable plate, a third connecting rod is provided on the first movable block, and when the first movable plate moves toward the third connecting rod, parts of the fixed plates are located on both sides of the third connecting rod.

2. The table lifting mechanism control device according to claim 1, characterized in that: The first movable blocks on the two first guide rails are connected through the third connecting rod, the third connecting rod is provided with a connecting part, the connecting part is provided with a connecting groove, a connecting shaft is provided in the connecting groove, and the first connecting rod is connected to the connecting shaft; the base is provided with a first connecting block, and the other end of the first connecting rod is rotatably connected to the first connecting block.

3. The table lifting mechanism control device according to claim 1, characterized in that: A mounting plate is provided at the bottom of the desktop, a first movable groove is provided on the mounting plate, the first movable plate is located in the first movable groove, a plurality of second movable grooves are provided at the bottom of the first movable plate, and the fixing plate is located in the second movable grooves.

4. The table lifting mechanism control device according to claim 3, characterized in that: A first slot is disposed on the side wall of the first movable groove, a first push plate is disposed on the first movable plate, and the first push plate passes through the first slot.

5. The table lifting mechanism control device according to claim 1, characterized in that: A third movable block is also provided in the first guide rail. The third movable block is provided with a third movable groove. The first movable block is located in the third movable groove.

6. The table lifting mechanism control device according to claim 5, characterized in that: A through slot is provided at the bottom of the third movable slot, a movable plate is provided in the through slot, a plurality of limit plates are provided at the bottom of the movable plate, and a plurality of limit slots corresponding to the limit plates are provided on the inner wall of the first guide rail.

7. The table lifting mechanism control device according to claim 6, characterized in that: A fourth movable groove is provided at the bottom of the first movable block, a push block is provided in the fourth movable groove, and a first connecting spring is provided on the push block; a top plate and a support plate are provided in the through groove, the push block rests on the top plate, a support spring is provided on the support plate, and the support spring rests on the movable plate.

8. The table lifting mechanism control device according to claim 5, characterized in that: Two fifth movable grooves are arranged on the top of the third movable groove, a stopper is arranged in the fifth movable groove, and a second connecting spring is arranged on the stopper; the two fifth movable grooves are respectively located on both sides of the first movable block.

9. The table lifting mechanism control device according to claim 6, characterized in that: An active cavity is provided on the side wall of the limiting groove, a second active plate is provided in the active cavity, a plurality of push rods are provided on the second active plate, the push rods are passed through the limiting groove, a second push plate is provided on the second active plate, and a second slot for the second push plate to pass through is provided on the side wall of the active cavity.

10. The table lifting mechanism control device according to claim 5, characterized in that: A sixth movable groove is provided on the first guide rail, a third push plate is provided on the third movable block, and the third push plate extends out from the sixth movable groove; a sliding block is provided on the side wall of the first movable block, and a sliding groove for movement of the sliding block is provided on the side wall of the third movable groove, and the sliding groove is communicated with the sixth movable groove.

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