Sofa armrest lifting structure
By designing trapezoidal limit blocks and release units, the problem of existing seat armrests requiring electric control is solved, enabling rapid adjustment of armrest height without power supply, reducing costs and improving convenience.
Patent Information
- Application Number
- CN202422418906.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-08
AI Technical Summary
Existing seat armrests require switches to control height adjustment, which requires connection to a power source, is costly and slow to adjust.
The design employs trapezoidal limit blocks and release units, enabling rapid adjustment of the handrail height through manual operation. This includes pulling the handrail body and the pull plate, and utilizing the cooperation between the trapezoidal limit blocks and the limit grooves to achieve electric lifting and lowering of the handrail body.
It enables quick adjustment of the armrest height without the need for a power source, reducing product costs and improving ease of use and operational efficiency.
Smart Images
Figure CN223463844U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa technical field, concretely relates to a sofa armrest lifting structure. BACKGROUND
[0002] With the development of society and the improvement of people's living standards, sofas as a kind of more comfortable furniture have entered almost every family in the city. The present sofa has made great progress in style, material and function, and its adaptability is stronger. The seat armrests on the market are generally fixed armrests and movable armrests.
[0003] The movable armrest of the existing seat needs to use a switch to control height adjustment, needs to be connected to a power source, has high product cost, short service life, slow armrest height adjustment and other problems. INVENTION CONTENTS
[0004] Therefore, the utility model provides a sofa armrest lifting structure through armrest assembly (2) to solve the problems of using a switch to control height adjustment, needing to be connected to a power source, high product cost and slow armrest height adjustment.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sofa armrest lifting structure, including sofa body, the sofa body includes sofa main body, the both sides of sofa main body are equipped with side groove, two groups of trapezoidal limit grooves are equipped in the inside of two side grooves, the both sides of sofa body are equipped with armrest assembly, the armrest assembly includes armrest main body, the inside of armrest main body is equipped with obstacle avoidance groove, the one side of armrest main body is equipped with upgrade adjustment unit, the upgrade adjustment unit includes connecting groove, the both ends of connecting groove are equipped with through groove, the inside of connecting groove is connected with limit releasing unit, the limit releasing unit includes pull plate, the one side of pull plate is equipped with two limit releasing components.
[0006] Preferably, the limit releasing component includes a connecting plate, the connecting plate is fixedly connected with the pull plate, a connecting column is fixedly arranged in the inside of the connecting plate, a movable plate is sleeved outside the connecting column, an inclined groove is arranged in the inside of the movable plate, a trapezoidal limiting block is fixedly arranged on one side of the movable plate, and two springs are arranged between the two movable plates.
[0007] Preferably, the connecting groove is arranged in the inside of the side groove and is in sliding connection with the side groove.
[0008] Preferably, the connecting plate penetrates through the obstacle avoidance groove and is in sliding connection with the obstacle avoidance groove.
[0009] Preferably, the connecting column penetrates through the inclined groove and is in sliding connection with the inclined groove.
[0010] Preferably, the movable plate is arranged in the inside of the connecting groove and is in sliding connection with the connecting groove.
[0011] Preferably, the trapezoidal limiting block penetrates the through slot and is in sliding connection with the through slot, and one end of the trapezoidal limiting block extends into the trapezoidal limiting slot and is in sliding connection with the trapezoidal limiting slot.
[0012] Preferably, the spring is fixedly connected with the two movable plates at two ends respectively.
[0013] The embodiments of the utility model have the following advantages:
[0014] 1, pull the handrail main body to move upwards, the handrail main body moves and drives the connecting groove to move upwards, the trapezoidal limiting block slope and trapezoidal limiting slot slope cooperate to make the trapezoidal limiting block be received in the connecting groove, make the handrail main body be lifted upwards without limiting, it is convenient to directly raise the position of handrail main body, the handrail main body improves fast, the operation steps are simple;
[0015] 2, by pulling the pull plate, the pull plate moves and drives the connecting column to move through the connecting plate, the connecting column makes two movable plates relatively move to the center of connecting groove through the cooperation with the inclined slot, makes the spring contract, simultaneously drives the trapezoidal limiting block to be received in the connecting groove from the trapezoidal limiting slot, manually removes the restriction of the connecting groove longitudinal movement, it is convenient for the longitudinal movement of connecting groove in the side groove, reach the purpose of the height of handrail main body is conveniently reduced, improve the convenience when using. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creating creative labor.
[0017] The structure, proportion, size, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.
[0018] Figure 1 The front view of the utility model is provided;
[0019] Figure 2 The utility model provides Figure 1 The enlarged view of A in the middle;
[0020] Figure 3The utility model provides an upgrade adjustment unit place partial section view perspective drawing is provided for the utility model,
[0021] Figure 4 The utility model provides an upgrade adjustment unit partial section view explosion perspective drawing is provided for the utility model,
[0022] Figure 5 The utility model provides a front perspective view.
[0023] In the drawing: 1 sofa body, 11 sofa body, 12 side groove, 13 trapezoidal limiting groove, 2 handrail subassembly, 21 handrail body, 22 obstacle avoidance groove, 3 upgrade adjustment unit, 31 connecting groove, 32 through groove, 33 pull plate, 34 connecting plate, 35 connecting column, 36 movable plate, 37 inclined groove, 38 trapezoidal limiting block, 39 spring. DETAILED DESCRIPTION
[0024] The following specific embodiment explains the embodiment of the utility model of the person skilled in the art can easily understand the other advantages and functions of the utility model from the content disclosed in the specification, obviously, the described embodiment is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the scope of the utility model protection.
[0025] Refer to the attached Figure 1 - attached Figure 5 The utility model provides a sofa handrail lifting structure, including sofa body 1, sofa body 1 includes sofa body 11, and the both sides of sofa body 11 are all set up with side groove 12, and two side grooves 12 are all equipped with two groups of trapezoidal limiting groove 13 in, and the both sides of sofa body 1 are all equipped with handrail subassembly 2, and handrail subassembly 2 includes handrail body 21, and handrail body 21 is set up with obstacle avoidance groove 22 in, and one side of handrail body 21 is equipped with upgrade adjustment unit 3, and upgrade adjustment unit 3 includes connecting groove 31, and both ends of connecting groove 31 are all set up with through groove 32, and connecting groove 31 is connected with the limiting unit in, and the limiting unit includes pull plate 33, and one side of pull plate 33 is equipped with two limiting components,
[0026] In this embodiment, in order to achieve the purpose of quickly adjusting the height of the handrail body 21 without electric operation, pull the handrail body 21 upward, the movement of the handrail body 21 drives the connection groove 31 to move upward, at this time the inclined surface of the trapezoidal limiting block 38 cooperates with the inclined surface of the trapezoidal limiting groove 13, so that the trapezoidal limiting block 38 is received in the connection groove 31, so that the handrail body 21 is not limited when it is lifted upward, which is convenient for directly raising the position of the handrail body 21, the handrail body 21 is raised quickly, the operation steps are simple, by pulling the pull plate 33, the pull plate 33 moves through the connecting plate 34 to drive the connecting column 35 to move, the connecting column 35 cooperates with the inclined groove 37 to make the two movable plates 36 move relative to the center of the connection groove 31, so that the spring 39 is retracted, at the same time, the trapezoidal limiting block 38 is received in the connection groove 31 from the trapezoidal limiting groove 13, the restriction of the longitudinal movement of the connection groove 31 is manually removed, which is convenient for the longitudinal movement of the connection groove 31 in the side groove 12, and the purpose of conveniently lowering the height of the handrail body 21 is achieved, and the convenience in use is improved.
[0027] In order to achieve the purpose that the trapezoidal limiting block 38 can be automatically inserted into the trapezoidal limiting groove 13, the device adopts the following technical scheme: the limiting component includes a connecting plate 34, the connecting plate 34 is fixedly connected with the pull plate 33, a connecting column 35 is fixedly arranged in the connecting plate 34, a movable plate 36 is arranged outside the connecting column 35, an inclined groove 37 is formed in the movable plate 36, a trapezoidal limiting block 38 is fixedly arranged on one side of the movable plate 36, two springs 39 are arranged between the two movable plates 36, the connection groove 31 is arranged in the side groove 12 and is in sliding connection with the side groove 12, the connecting plate 34 penetrates through the obstacle avoidance groove 22 and is in sliding connection with the obstacle avoidance groove 22, the connecting column 35 penetrates through the inclined groove 37 and is in sliding connection with the inclined groove 37, the movable plate 36 is arranged in the connection groove 31 and is in sliding connection with the connection groove 31, the handrail body 21 is pulled upward, the movement of the handrail body 21 drives the connection groove 31 to move upward, at this time the inclined surface of the trapezoidal limiting block 38 cooperates with the inclined surface of the trapezoidal limiting groove 13, so that the trapezoidal limiting block 38 is received in the connection groove 31, at this time the trapezoidal limiting block 38 makes the spring 39 retract through the movable plate 36, when the trapezoidal limiting block 38 moves to the position of the corresponding trapezoidal limiting groove 13, the retracted spring 39 makes the trapezoidal limiting block 38 reset through the elastic force, and then the trapezoidal limiting block 38 is automatically inserted into the trapezoidal limiting groove 13, so that the handrail body 21 is prevented from descending after the height is adjusted;
[0028] In order to achieve the purpose that the handrail main body 21 can be freely moved upward and cannot be freely moved downward, the device adopts the following technical scheme: the trapezoidal limiting block 38 penetrates through the through slot 32 and is in sliding connection with the through slot 32, one end of the trapezoidal limiting block 38 extends into the trapezoidal limiting slot 13 and is in sliding connection with the trapezoidal limiting slot 13, the two ends of the spring 39 are fixedly connected with the two movable plates 36 respectively, the trapezoidal limiting block 38 can be retracted into the connecting slot 31 by the cooperation of the inclined surface of the trapezoidal limiting block 38 and the inclined surface of the trapezoidal limiting slot 13, so that the handrail main body 21 can be moved upward, and the trapezoidal limiting block 38 cannot be moved downward by the cooperation of the right angle surface of the trapezoidal limiting block 38 and the right angle surface of the trapezoidal limiting slot 13, thereby preventing the handrail main body 21 from moving downward.
[0029] The use process of the device is as follows: when the device is used, the handrail main body 21 needs to be lifted, the handrail main body 21 is pulled to move upward, the connecting slot 31 is moved upward, the inclined surface of the trapezoidal limiting block 38 cooperates with the inclined surface of the trapezoidal limiting slot 13, the trapezoidal limiting block 38 is retracted into the connecting slot 31, the handrail main body 21 is not limited when being lifted upward, the position of the handrail main body 21 can be directly lifted, meanwhile, the trapezoidal limiting block 38 enters the trapezoidal limiting slot 13 in sequence, the bottom right angle surface of the trapezoidal limiting block 38 cooperates with the bottom right angle surface of the trapezoidal limiting slot 13, the trapezoidal limiting block 38 cannot be retracted into the connecting slot 31 when the handrail main body 21 is pressed, the handrail main body 21 is limited to move downward, when the height of the handrail main body 21 needs to be lowered, the pull plate 33 is pulled, the pull plate 33 is moved to drive the connecting column 35 to move through the connecting plate 34, the connecting column 35 cooperates with the inclined slot 37 to drive the two movable plates 36 to move relative to the center of the connecting slot 31, the spring 39 is contracted, the trapezoidal limiting block 38 is retracted into the connecting slot 31 from the trapezoidal limiting slot 13, the restriction of the longitudinal movement of the connecting slot 31 is manually removed, the connecting slot 31 can be longitudinally moved in the side slot 12, the height of the handrail main body 21 can be lowered conveniently, and the convenience during use is improved.
[0030] The above is only a preferred embodiment of the device, any skilled person in the art can modify the device according to the technical scheme or modify it into an equivalent technical scheme. Therefore, any simple modification or equivalent replacement according to the technical scheme of the device is within the protection scope of the device.
Claims
1. A sofa arm lift structure comprising a sofa body (1), characterized in that: The sofa body (1) comprises a sofa body (11), side grooves (12) are provided on both sides of the sofa body (11), two sets of trapezoidal limiting grooves (13) are provided inside the two side grooves (12), armrest components (2) are provided on both sides of the sofa body (1), the armrest components (2) comprise an armrest body (21), an obstacle avoidance groove (22) is provided inside the armrest body (21), an upgrade adjustment unit (3) is provided on one side of the armrest body (21), the upgrade adjustment unit (3) comprises a connecting groove (31), through grooves (32) are provided at both ends of the connecting groove (31), The connection groove (31) is internally connected to a limit release unit, the limit release unit comprises a pull plate (33), two limit release components are provided on one side of the pull plate (33), the limit release component comprises a connecting plate (34), the connecting plate (34) is fixedly connected to the pull plate (33), a connecting column (35) is fixedly provided inside the connecting plate (34), a movable plate (36) is sleeved on the outside of the connecting column (35), an inclined groove (37) is provided inside the movable plate (36), a trapezoidal limit block (38) is fixedly provided on one side of the movable plate (36), and two springs (39) are provided between the two movable plates (36).
2. The sofa arm lift structure of claim 1, wherein: The connecting groove (31) is arranged inside the side groove (12) and is slidably connected to the side groove (12).
3. The sofa arm lift structure of claim 1, wherein: The connecting plate (34) passes through the obstacle avoidance groove (22) and is slidably connected to the obstacle avoidance groove (22).
4. The sofa arm lift structure of claim 1, wherein: The connecting column (35) passes through the inclined groove (37) and is slidably connected to the inclined groove (37).
5. The sofa armrest lifting structure according to claim 1, characterized in that: The movable plate (36) is disposed inside the connecting groove (31) and is slidably connected to the connecting groove (31).
6. The sofa arm lift structure of claim 1, wherein: The trapezoidal limiting block (38) passes through the through slot (32) and is slidably connected to the through slot (32); one end of the trapezoidal limiting block (38) extends into the interior of the trapezoidal limiting slot (13) and is slidably connected to the trapezoidal limiting slot (13).
7. The sofa arm lift structure of claim 1, wherein: Both ends of the spring (39) are fixedly connected to the two movable plates (36) respectively.