CN217851842U

CN217851842U - Lifting support with slow descending structure

Info

Publication number: CN217851842U
Application number: CN202222021159.4U
Authority: CN
Inventors: 马德先
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-22
Anticipated expiration: 2032-08-02

Abstract

The utility model provides a lifting support with a slow descending structure, which aims to solve the problem that the existing support can not be adjusted, and comprises a first support rod and a second support rod, wherein the second support rod is movably sleeved outside the first support rod; a plurality of first clamping grooves are continuously formed in the length direction of the first supporting rod; the second support rod is provided with a second mounting part and also comprises a control button, the control button is mounted in the second mounting part, and a second mounting hole is formed in the second mounting part; the control button comprises a pressing portion and a connecting portion, the connecting portion is provided with a first protrusion, and the first protrusion penetrates through the second mounting hole to be clamped or separated with the first clamping groove. The beneficial effect that this application reached does: the first protrusion is adjusted to be clamped or separated with or from the first clamping groove through the control button, so that the effect of adjusting the height is achieved; meanwhile, the first pipe sleeve and the second supporting rod are in interference fit to realize slow lifting; the stability and the reliability of the lifting support are improved.

Description

Lifting support with slow descending structure

Technical Field

The utility model belongs to the technical field of the historical relic articles for use, especially, relate to a lifting support of structure slowly falls in area.

Background

The reading stand can help readers to fix books and periodicals, and is widely applied to the young learning stage. Need read for a long time in the study stage, more need keep good reading posture, and the height of books can be adjusted according to reader's sight range to the lift support, and the supplementary reader that can be better keeps good reading posture.

In the prior art, chinese utility model CN213962296U discloses a reading rack for use on a desktop platform and a learning desk with the reading rack, which specifically discloses a support frame with a tubular structure, wherein the top of the support frame is a panel, and the bottom of the support frame is a bottom plate; the structure can not adjust the position of the panel in the height direction in actual use, and the application range is narrow. However, in practical use, in order to adapt to reading requirements of different ages or different heights, it is necessary to provide a reading stand with slowly adjustable height and overall stability and reliability.

Therefore, how to increase the effect of slowly adjusting the height of the lifting bracket and improve the stability and reliability of the lifting bracket becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting support of structure slowly falls in area has solved current telescopic bracket and has not had slow height-adjusting and stability, the low problem of reliability. In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a lifting support with a slow descending structure comprises a first support rod and a second support rod, wherein the second support rod is movably sleeved outside the first support rod; the first supporting rod is continuously provided with a plurality of first clamping grooves along the length direction; the second support rod is provided with a second mounting part and also comprises a control button, the control button is mounted in the second mounting part, and the second mounting part is provided with a second mounting hole; the control button is rotatably connected with the second mounting part; the control button comprises a pressing portion and a connecting portion, the connecting portion is provided with a first protrusion, and the first protrusion penetrates through the second mounting hole to be clamped or separated with the first clamping groove.

Furthermore, a first pipe sleeve is arranged at the front end of the first supporting rod, a limiting protrusion is arranged at the rear end of the second supporting rod, and the first pipe sleeve is matched with the limiting protrusion.

Further, the first pipe sleeve is matched with the inner wall of the second supporting rod.

Further, the elastic component is arranged between the pressing part and the second mounting part of the control button.

Further, the rear end of the first support rod is provided with a first baffle plate.

In specific implementation, the pressing part of the control button is pressed, so that the front end of the control button swings downwards by taking the first supporting part as a fulcrum, the first bulge tilts upwards, the first bulge is removed from being matched with the first clamping groove in the first supporting rod, and the first supporting rod can slide in the second supporting rod to adjust the telescopic length;

the beneficial effect that this application reached does: according to the splenium of pressing down control button, separate first arch and first draw-in groove, reciprocate first bracing piece, realize stretching out or indentation of first bracing piece. Therefore, compared with the fixed supporting tube in the prior art, the height adjusting device can realize the effect of height adjustment, can be suitable for different people, and has a stable and reliable integral structure; the first bulge of the control button is matched with the first clamping groove to block the second supporting rod from being drawn out; in addition, the first pipe sleeve is matched with the inner wall of the second supporting rod, so that the effect of slow lifting is achieved.

Drawings

Fig. 1 is a schematic view of a first viewing angle of the present invention;

fig. 2 is a schematic view of a second viewing angle of the present invention;

fig. 3 is a schematic view of a first viewing angle of the first support rod of the present invention;

fig. 4 is a schematic view of a first viewing angle of the second support rod of the present invention;

fig. 5 is a schematic view of a first viewing angle of the control button according to the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 4;

reference numerals are as follows:

100 support frames, 110 first support rods, 111 first connecting parts, 112 first baffle plates, 113 first rod bodies, 116 first pipe sleeves, 118 first clamping grooves, 120 second support rods, 121 second pipe bodies, 122 second mounting parts, 123 second mounting holes, 125 inner cavities, 126 annular protrusions, 128 second support parts, 129 limiting protrusions, 130 control buttons, 131 pressing parts, 136 first protrusions, 138 first support parts and 139 connecting parts.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected" and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection through an intermediate medium, and those skilled in the art may understand the specific meanings of the above terms according to specific situations.

Example one

As shown in fig. 1 and fig. 2, the present embodiment provides a lifting support with a slow descending structure, which includes a support frame 100, the support frame 100 includes a first support rod 110 and a second support rod 120, the second support rod 120 is slidably sleeved outside the first support rod 110; a control button 130 is further included, the control button 130 is disposed on the second support bar 120, and the control button 130 can limit the movement of the second support bar 120.

As shown in fig. 3, the first supporting rod 110 is a rod-shaped structure, and the rear end thereof has a first connecting portion 111, and the first connecting portion 111 is rotatably connected to the reading stand panel, so as to facilitate folding or erecting the lifting stand.

As shown in fig. 1, 2, 4 and 6, the second support rod 120 is a tubular structure, and has an inner cavity 125 for the first support rod 110 to slide, and the second support rod 120 is sleeved outside the first support rod 110; the second support rod 120 has a second tube 121, a second mounting portion 122 is disposed on an upper portion of the second tube 121, the second mounting portion 122 may be formed by an annular protrusion 126, and the annular protrusion 126 is formed by extending upward from an upper portion of the second tube 121; a second mounting hole 123 is formed in the second mounting portion 122, and the second mounting hole 123 is close to the rear end of the second support rod 120; a second support portion 128 is provided in the second mounting portion 122.

As shown in fig. 1, 2 and 5, the control button 130 has an outer shape matching the inner structure of the second mounting portion 122, and the control button 130 is mounted in the second mounting portion 122; the front end of the control button 130 has a pressing portion 131, the rear end of the control button 130 has a connecting portion 139, a first supporting portion 138 is disposed at the middle of the lower portion of the control button 130, and the first supporting portion 138 is located between the pressing portion 131 and the connecting portion 139. The lower part of the connecting part 139 extends downwards to form a first projection 136; the first supporting portion 138 of the control button 130 is rotatably mounted on the second supporting portion 128 of the second connecting portion, specifically, the first supporting portion 138 has an arc-shaped protrusion, the second supporting portion 128 has an arc-shaped notch, and the two are matched, so that the control button 130 can swing back and forth by taking the arc-shaped protrusion as a fulcrum; the control button 130 is rotatably connected with the second mounting portion 122 through the first supporting portion 138, specifically, through holes are formed in two sides of the second mounting portion 122, through holes corresponding to the first supporting portion 138 are formed in the first supporting portion 138, and the first supporting portion and the second supporting portion are connected through the through holes through connecting shafts; in another embodiment, through holes are formed on both sides of the second mounting portion 122, and protrusions matching with the through holes are formed on the first supporting portion 138, and the two are connected through the protrusions and the through holes.

As shown in fig. 2 and 3, the first supporting rod 110 has a first rod 113, a plurality of first engaging grooves 118 are formed in the upper portion of the first rod 113, the plurality of first engaging grooves 118 are continuously formed along the length direction of the first rod 113, and specifically, two or more first engaging grooves 118 are formed; the first protrusion 136 of the control button 130 passes through the second mounting hole 123 and enters the second inner cavity 125 of the second support rod 120, and the first protrusion 136 is provided with a clamping portion matched with the first clamping groove 118, and the clamping portion can be clamped in the first clamping groove 118, so as to limit the relative sliding between the second support rod 120 and the first support rod 110. It should be noted that the first rod 113 may be a hollow structure, so that the elasticity of the first rod can be improved, and the overall structure has higher toughness and longer service life; the first rod 113 may also be a solid structure, which has a strong bending resistance and a better engaging effect than a hollow structure.

In the using process of the embodiment, the pressing portion 131 of the control button 130 is pressed, and at this time, the pressing portion 131 receives downward pressure, and the first supporting portion 138 of the control button 130 is rotatably mounted on the second supporting portion 128 of the second connecting portion 122, so that the front end of the control button 130 swings downward with the first supporting portion 138 as a fulcrum, and further the first protrusion 136 tilts upward, the first protrusion 136 is released from being matched with the first engaging groove 118 on the first supporting rod 110, and the first supporting rod 110 can slide in the second supporting rod 120 to adjust the telescopic length. An elastic member (not shown in the figure) is further disposed between the pressing portion 131 of the control button 130 and the second mounting portion 122, and specifically, the elastic member may be a spring or an elastic sheet or other existing elastic member. When the first supporting rod 110 needs to be extended or retracted, the pressing portion 131 of the control button 130 is pressed to separate the first protrusion 136 from the first engaging groove 118, and the first supporting rod 110 is moved back and forth to extend or retract the first supporting rod 110; when the support bar is adjusted to a proper position, the control button 130 is released, the elastic member applies an upward force to the pressing portion 131, so that the first protrusion 136 moves downward and is engaged with the first engaging groove 118 of the first support bar 110, thereby restricting the movement of the first support bar 110. By the arrangement, the operation steps are reduced, and the use efficiency is improved.

Example two

The difference between this embodiment and the first embodiment is: as shown in fig. 2, 3 and 6, a first pipe sleeve 116 is disposed at the front end of the first supporting rod 110, a limiting protrusion 129 is disposed at the rear end of the second supporting rod 120, the first pipe sleeve 116 is matched with the limiting protrusion 129, specifically, the first supporting rod 110 has a first rod 113, the first pipe sleeve 116 is sleeved outside the front end of the first rod 113, the first supporting rod 110 and the first pipe sleeve 116 are disposed in the second supporting rod 120, and the first pipe sleeve 116 is fixedly connected with the first rod 113, specifically, the first pipe sleeve 116 and the first rod 113 are connected by a thread or a snap or other conventional connection method; the rear end of the second tube 121 forms a limiting protrusion 129, and when the second tube extends to the maximum length of the first supporting rod 110, the limiting protrusion 129 abuts against the first sleeve 116 to limit the first supporting rod 110 from moving forward, thereby increasing the reliability of the telescopic structure.

In this application, the first sleeve 116 is fitted to the inner wall of the second support rod 120. Specifically, the inner walls of the first pipe sleeve and the second supporting rod can form an interference fit structure, and when the first supporting rod and the second supporting rod slide relatively, the first pipe sleeve and the second supporting rod are tightly matched, so that the first supporting rod and the second supporting rod can slowly descend or slowly ascend; and the stability and reliability of the whole structure can be improved.

In other embodiments of the present application, the rear end of the first supporting rod 110 has a first baffle 112; with such an arrangement, when the first support rod 110 is retracted, the first support rod 110 is restricted from moving forward, so as to increase the reliability of the telescopic structure.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lifting support with a slow descending structure comprises a first support rod (110) and a second support rod (120), wherein the second support rod (120) is movably sleeved outside the first support rod (110); the first supporting rod (110) is continuously provided with a plurality of first clamping grooves (118) along the length direction; the second support rod (120) is provided with a second mounting part (122), and is characterized by further comprising a control button (130), the control button (130) is mounted in the second mounting part (122), and a second mounting hole (123) is formed in the second mounting part (122); the control button (130) is rotatably connected with the second mounting part (122); the control button (130) comprises a pressing part (131) and a connecting part (139), the connecting part (139) is provided with a first protrusion (136), and the first protrusion (136) penetrates through the second mounting hole (123) to be clamped with or separated from the first clamping groove (118).

2. The lifting support with the slow descending structure according to claim 1, wherein the first support rod (110) is provided with a first pipe sleeve (116) at the front end thereof, the second support rod (120) is provided with a limiting protrusion (129) at the rear end thereof, and the first pipe sleeve (116) is matched with the limiting protrusion (129).

3. The descent control structure lifting support as claimed in claim 2, wherein the first sleeve (116) is fitted to an inner wall of the second support bar (120).

4. The lifting support with slow descending structure according to claim 3, further comprising an elastic member disposed between the pressing portion (131) of the control button (130) and the second mounting portion (122).

5. The descent control structure of claim 1 to 4, wherein the first support rod (110) has a first stopper (112) at a rear end thereof.