Link structure capable of conveniently installing electric push rod

By designing a link structure for conveniently installing electric push rods, the problem of cumbersome installation of existing massage sofas is solved, and the convenient installation and maintenance of electric push rods is achieved, and the safety and reliability of equipment are improved.

CN222942045UActive Publication Date: 2025-06-06IMOXUN ELECTROMECHANICAL (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202422118010.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-06-06
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The electric push rod of the existing massage sofa is installed inside, which makes it time-consuming and laborious to disassemble and install, and the overall installation process is cumbersome.

Method used

A link structure for conveniently installing electric push rods is designed, including a link frame, slide, adjusting rod and electric push rod housing. The electric push rod housing can slide along the slide seat, and the adjustment rod expands and retracts in the accommodating shell, which facilitates the installation and adjustment of the electric push rod.

Benefits of technology

It realizes convenient installation and maintenance of electric push rods, simplifies production processes, enhances the strength and flexibility of the overall structure, and improves the safety and reliability of the equipment.

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Abstract

The utility model provides a link structure for conveniently installing an electric push rod, and belongs to the technical field of massage sofas. The linkage structure for conveniently installing the electric push rod comprises a linkage frame, an electric push rod containing shell is connected between a first frame and a second frame, the first frame is hinged to a sliding base, the sliding base is in sliding clamping connection with the electric push rod containing shell, and the electric push rod containing shell comprises a front half shell and a rear half shell; the rear half shell and the front half shell are arranged in a clamped mode, the sliding base is in threaded connection with an adjusting rod, and the adjusting rod is arranged in the electric push rod containing shell. The electric push rod accommodating shell is formed by clamping a front half shell and a rear half shell, thereby facilitating the installation of the electric push rod. The adjusting rod in threaded connection with the sliding seat can stretch out and draw back in the electric push rod containing shell, the electric push rod installed in the electric push rod containing shell is pressed and positioned, and driving or position adjusting is convenient. According to the design, space utilization is optimized, and flexible installation and durability of the electric push rod are improved.
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Description

Technical Field

[0001] The present application relates to the field of massage sofas, and in particular to a link structure for conveniently installing an electric push rod. Background Art

[0002] At present, most modern people are prone to cervical and lumbar strain due to long hours of driving or long hours of sitting at work, which not only causes physical discomfort, but also leads to more serious health consequences. The birth of massage sofas and massage chairs provides these people with comfortable massages in their spare time, relieves the discomfort of some parts of the body, improves people's quality of life, and avoids more serious health consequences. In particular, massage sofas can provide more comprehensive massages. People can lie directly on them to massage the cervical, shoulder and lumbar vertebrae.

[0003] In the related art, a massage sofa frame of Chinese patent application CN201420096955.7 includes a cushion frame, a backrest frame, armrests and a foot and leg massage device, wherein the armrests are mounted on both sides of the cushion frame, and a massage device is mounted on the backrest frame, and the backrest frame is characterized in that guide grooves are respectively arranged on both sides of the backrest frame, and one end of a lever assembly is respectively hinged on both sides of the lower part; the other end of the lever assembly is hinged on the cushion frame; rollers are arranged at the bottom corners of the foot and leg massage device, the back is hinged on one end of the angle adjustment frame, and the other end of the angle adjustment frame is hinged on the cushion frame and driven by a second electric push rod; one end of the second electric push rod is hinged on the lower frame of the cushion frame, and the other end is hinged on the angle adjustment frame;

[0004] The above-mentioned prior art solutions have the following defects: since the sofa frame as a whole is formed by the hinged cooperation of the cushion frame and the backrest frame, an electric push rod for adjustment is installed inside, and the electric push rod needs regular maintenance or replacement due to high-frequency use. Since it is installed inside, disassembly and assembly is time-consuming and laborious, and the overall installation process is also relatively cumbersome. Utility Model Content

[0005] In order to remedy the above deficiencies, the present application provides a link structure for conveniently installing an electric push rod, aiming to improve the problem of inconvenient assembly and disassembly of an internally installed electric push rod.

[0006] An embodiment of the present application provides a link structure for convenient installation of an electric push rod, including a link frame, the link frame including a first support rod and a second support rod, a first frame is installed on the upper end of the first support rod, and a second frame is installed on the second support rod, an electric push rod accommodating shell is connected between the first frame and the second frame, the first frame is hinged with a sliding seat, the sliding seat is slidably engaged with the electric push rod accommodating shell, the electric push rod accommodating shell includes a front half shell and a rear half shell, the rear half shell is engaged with the front half shell, the sliding seat is threadedly connected with an adjusting rod, and the adjusting rod is arranged in the electric push rod accommodating shell.

[0007] In a preferred embodiment of the present invention, the first frame is fixed to the middle part of the first support rod by bolts, the second frame is fixed to the middle part of the second support rod by bolts, a cover plate is clamped on one end of the electric push rod accommodating shell, and a shell is fixed to the other end of the electric push rod accommodating shell.

[0008] The first frame is fixed to the middle of the first support rod by bolts to ensure a stable connection and is not easy to loosen. The second frame is also fixed to the middle of the second support rod by bolts to achieve the same stability requirement. A cover plate is designed at one end of the electric push rod housing, and the cover plate is connected to the housing by a snap-on method to facilitate installation and disassembly. At the same time, a shell is fixed to the other end of the electric push rod housing to enhance the firmness of the overall structure. The overall design takes into account both the stability of the structure and the convenience of installation to ensure the safety and reliability of the equipment.

[0009] In a preferred embodiment of the utility model, a mounting ear is fixed on the surface of the shell, and the mounting ear is hinged to the second frame through a pin; a controller for controlling the electric push rod is installed in the shell.

[0010] The mounting ears fixed on the surface of the housing are hinged to the second frame through pins, so that the housing can rotate around the pins at a certain angle. Inside the housing, a controller for accurately controlling the action of the electric push rod is also installed. The controller receives and processes various signals through the internal microprocessor to achieve precise control of the telescopic length and operating status of the electric push rod. This design not only improves the overall stability and durability of the equipment, but also enables the electric push rod to be flexibly adjusted according to actual needs.

[0011] In a preferred embodiment of the present invention, screws are respectively threadedly connected at both ends of the first frame, a positioning hole is opened on the surface of the slide seat, and one end of the screw is rotatably inserted into the positioning hole.

[0012] The first frame is made of high-strength material and has stable structural performance. The two ends are respectively connected with screws through threads. The design of the screws enables the first frame to be firmly fixed in the desired position and is not easy to loosen or shift. The surface of the slide seat is specially provided with positioning holes used in conjunction with the screws. The opening of the positioning holes ensures the accurate position of the slide seat on the first frame. At the same time, one end of the screw is rotated and inserted into the positioning hole. This design not only enhances the stability of the connection between the slide seat and the first frame, but also facilitates the adjustment of the position of the slide seat according to actual use requirements, thereby improving the overall convenience and flexibility of use.

[0013] In a preferred embodiment of the utility model, the slide seat is provided with a threaded hole, the surface of the adjusting rod is provided with an external thread threadedly connected to the threaded hole, one end of the adjusting rod is rotatably clamped with a top plate, and the other end surface of the adjusting rod is provided with a hexagonal groove.

[0014] The slide seat has a stable structure, and its specificity lies in that it is provided with a plurality of evenly distributed threaded holes. The adjusting rod is threadedly connected to the threaded hole on the slide seat through the external thread provided on its surface, so as to realize the adjustable positioning of the adjusting rod on the slide seat. One end of the adjusting rod is designed as a rotating structure, and a top plate is clamped thereon. By rotating the adjusting rod, the extension length of the adjusting rod can be adjusted to meet different electric push rod installation requirements. At the same time, a hexagonal groove is provided on the other end face of the adjusting rod. This design facilitates the use of an hexagonal wrench for rotation operation, thereby improving the convenience of installation and maintenance. The overall structure is simple and reasonable, with strong functionality, and can effectively improve maintenance efficiency and service life.

[0015] In a preferred embodiment of the present invention, linkage mechanisms are respectively provided on both sides of the electric push rod accommodating shell, and the linkage mechanisms are connected between the first support rod and the second support rod.

[0016] The two sides of the electric push rod housing are designed with linkage mechanisms, which are cleverly connected to the first support rod and the second support rod. When the electric push rod moves, the two linkage mechanisms can be synchronized, thereby enhancing the overall stability and controllability of the electric push rod. When the electric push rod is telescopic, the linkage mechanism can ensure that the two support rods remain synchronized, greatly improving the safety and efficiency of use.

[0017] In a preferred embodiment of the present invention, the linkage mechanism comprises

[0018] A sliding rod fixedly connected to the first support rod, one end of the sliding rod being fixed to the first support rod by a bolt;

[0019] A sliding sleeve fixedly connected to the second support rod, wherein the sliding rod slides through the sliding sleeve;

[0020] A compression spring is arranged between the slide rod and the slide sleeve, one end of the compression spring is fixed to the slide rod, and the other end of the compression spring is in contact with the slide sleeve.

[0021] In a preferred embodiment of the present invention, one end of the slide rod is hinged with a hinge rod, one end of the slide sleeve is fixed with a limit rod, and a connecting rod is hinged between the limit rod and the hinge rod.

[0022] A limit rod is fixed at one end of the sliding sleeve, and the limit rod and the hinge rod are hingedly connected through a connecting rod, thereby forming a linkage mechanism. When the sliding rod moves, the hinge rod can rotate to a corresponding angle through the transmission effect of the connecting rod, which can realize precise linkage between the sliding rod and the sliding sleeve and improve the overall performance of the mechanical device.

[0023] Beneficial effects: The present application provides a link structure for convenient installation of an electric push rod, a hinged relationship between the first frame and the slide seat, and a half-shell snap-on design with the electric push rod accommodating shell. The electric push rod accommodating shell can slide along the slide seat to ensure the stability of the structure. The electric push rod accommodating shell is formed by snapping together the front and rear half shells. This design not only simplifies the production process, but also enhances the strength of the overall structure, making it easier to install the electric push rod. The adjustment rod threaded on the slide seat can be extended and retracted in the electric push rod accommodating shell, and the electric push rod installed in the electric push rod accommodating shell can be pressed and positioned to facilitate driving or adjusting the position. This design not only optimizes space utilization, but also improves the flexible installation and durability of the electric push rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a three-dimensional structural diagram of a link structure for conveniently installing an electric push rod provided in an embodiment of the present application;

[0026] Figure 2 A schematic diagram of a three-dimensional structure of an electric push rod housing provided in an embodiment of the present application;

[0027] Figure 3 A schematic diagram of a first frame three-dimensional structure provided in an embodiment of the present application;

[0028] Figure 4 A schematic diagram of the three-dimensional structure of a slide provided in an embodiment of the present application;

[0029] Figure 5 A schematic diagram of the three-dimensional structure of the adjustment rod provided in an embodiment of the present application.

[0030] In the figure: 100, link frame; 110, first support rod; 120, second support rod; 130, first frame; 131, screw; 140, slide seat; 141, positioning hole; 150, second frame; 160, shell; 161, mounting ear; 170, electric push rod accommodating shell; 171, front half shell; 172, rear half shell; 180, adjusting rod; 181, top plate; 183, hexagonal groove; 300, linkage mechanism; 310, slide rod; 311, hinged rod; 330, sleeve; 331, limit rod; 350, compression spring; 370, connecting rod. DETAILED DESCRIPTION

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0034] See also Figure 1-Figure 5The utility model provides a link structure for conveniently installing an electric push rod, including a link frame 100, the link frame 100 includes a first support rod 110 and a second support rod 120, a first frame 130 is installed on the upper end of the first support rod 110, a second frame 150 is installed on the second support rod 120, an electric push rod accommodating shell 170 is connected between the first frame 130 and the second frame 150, the first frame 130 is hinged with a slide seat 140, the slide seat 140 is slidably engaged with the electric push rod accommodating shell 170, the electric push rod accommodating shell 170 includes a front half shell 171 and a rear half shell 172, the rear half shell 172 is engaged with the front half shell 171, the slide seat 140 is threadedly connected with an adjusting rod 180, and the adjusting rod 180 is arranged in the electric push rod accommodating shell 170.

[0035] In a specific embodiment of the present invention, the first frame 130 is fixed to the middle of the first support rod 110 by bolts, the second frame 150 is fixed to the middle of the second support rod 120 by bolts, one end of the electric push rod accommodating shell 170 is clamped with a cover plate, and the other end of the electric push rod accommodating shell 170 is fixed with a shell 160.

[0036] The first frame 130 is fixed to the middle of the first support rod 110 by bolts to ensure a stable connection and is not easy to loosen. The second frame 150 is also fixed to the middle of the second support rod 120 by bolts to achieve the same stability requirement. A cover plate is designed at one end of the electric push rod housing 170, and the cover plate is connected to the housing by a snap-on method to facilitate installation and disassembly. At the same time, the other end of the electric push rod housing 170 is fixed with a shell 160 to enhance the firmness of the overall structure. The overall design takes into account both the stability of the structure and the convenience of installation to ensure the safety and reliability of the equipment.

[0037] In a specific implementation of the utility model, a mounting ear 161 is fixed on the surface of the shell 160 , and the mounting ear 161 is hinged to the second frame 150 through a pin; a controller for controlling the electric push rod is installed in the shell 160 .

[0038] The mounting ears 161 fixed on the surface of the housing 160 are hinged to the second frame 150 through pins, so that the housing 160 can rotate around the pins at a certain angle. A controller for accurately controlling the action of the electric push rod is also installed inside the housing 160. The controller receives and processes various signals through the internal microprocessor to achieve accurate control of the telescopic length and operating status of the electric push rod. This design not only improves the overall stability and durability of the equipment, but also enables the electric push rod to be flexibly adjusted according to actual needs.

[0039] In a specific implementation of the present invention, screws 131 are respectively threadedly connected at both ends of the first frame 130 , a positioning hole 141 is opened on the surface of the slide seat 140 , and one end of the screw 131 is rotatably inserted into the positioning hole 141 .

[0040] The first frame 130 is made of high-strength material and has stable structural performance. The two ends thereof are respectively connected with screws 131 by threads. The design of the screws 131 enables the first frame 130 to be firmly fixed in the desired position and is not prone to loosening or displacement. The surface of the slide 140 is specially provided with a positioning hole 141 used in conjunction with the screw 131. The opening of the positioning hole 141 ensures the accurate position of the slide 140 on the first frame 130. At the same time, one end of the screw 131 is rotated and inserted into the positioning hole 141. This design not only enhances the stability of the connection between the slide 140 and the first frame 130, but also facilitates the adjustment of the position of the slide 140 according to actual use requirements, thereby improving the overall convenience and flexibility of use.

[0041] In a specific embodiment of the utility model, the slide seat 140 is provided with a threaded hole, and the surface of the adjusting rod 180 is provided with an external thread threadedly connected to the threaded hole. One end of the adjusting rod 180 is rotatably clamped with a top plate 181, and the other end surface of the adjusting rod 180 is provided with a hexagonal groove 183.

[0042] The adjusting rod 180 is threadedly connected to the threaded hole on the slide 140 through the external thread on its surface, so as to realize the adjustable positioning of the adjusting rod 180 on the slide 140. One end of the adjusting rod 180 is designed as a rotating structure, and a top plate 181 is clamped. By rotating the adjusting rod 180, the extension length of the adjusting rod 180 can be adjusted to meet different electric push rod installation requirements. At the same time, the other end face of the adjusting rod 180 is provided with a hexagonal groove 183, which is convenient for rotating with a hexagonal wrench, thereby improving the convenience of installation and maintenance. The overall structure is simple and reasonable, with strong functionality, which can effectively improve maintenance efficiency and service life.

[0043] In a specific implementation of the present invention, linkage mechanisms 300 are respectively disposed on both sides of the electric push rod accommodating shell 170 , and the linkage mechanisms 300 are connected between the first support rod 110 and the second support rod 120 .

[0044] The two sides of the electric push rod housing 170 are designed with linkage mechanisms 300, which are cleverly connected to the first support rod 110 and the second support rod 120. When the electric push rod moves, the two linkage mechanisms 300 can be synchronized, thereby enhancing the overall stability and controllability of the electric push rod. When the electric push rod performs telescopic movement, the linkage mechanism 300 can ensure that the two support rods remain synchronized, greatly improving the safety and efficiency of use.

[0045] In a specific embodiment of the present utility model, the linkage mechanism 300 includes:

[0046] A sliding rod 310 fixedly connected to the first support rod 110, wherein one end of the sliding rod 310 is fixed to the first support rod 110 by a bolt;

[0047] A sliding sleeve 330 fixedly connected to the second support rod 120, wherein the sliding rod 310 slides through the sliding sleeve 330;

[0048] A compression spring 350 is disposed between the slide bar 310 and the slide sleeve 330 , one end of the compression spring 350 is fixed to the slide bar 310 , and the other end of the compression spring 350 is in contact with the slide sleeve 330 .

[0049] In a specific embodiment of the present invention, one end of the sliding rod 310 is hinged with a hinge rod 311, one end of the sliding sleeve 330 is fixed with a limit rod 331, and a connecting rod 370 is hinged between the limit rod 331 and the hinge rod 311.

[0050] A limit rod 331 is fixed to one end of the sliding sleeve 330, and the limit rod 331 is hingedly connected to the hinge rod 311 through a connecting rod 370, thereby forming a linkage mechanism 300. When the sliding rod 310 moves, the hinge rod 311 can rotate to a corresponding angle through the transmission effect of the connecting rod 370, so that the precise linkage between the sliding rod 310 and the sliding sleeve 330 can be achieved, thereby improving the overall performance of the mechanical device.

[0051] The working principle of the link structure for convenient installation of the electric push rod: when in use, the hinged relationship between the first frame 130 and the slide seat 140, and the half-shell clamping design with the electric push rod accommodating shell 170. The electric push rod accommodating shell 170 can slide along the slide seat 140 to ensure the stability of the structure. The electric push rod accommodating shell 170 is formed by the front and rear half shells being clamped together. This design not only simplifies the production process, but also enhances the strength of the overall structure, making it easier to install the electric push rod. The adjustment rod 180 threadedly connected to the slide seat 140 can be retracted in the electric push rod accommodating shell 170, and the electric push rod installed in the electric push rod accommodating shell 170 is pressed and positioned, making it convenient to drive or adjust the position. This design not only optimizes space utilization, but also improves the flexible installation and durability of the electric push rod.

[0052] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A link structure for conveniently installing an electric push rod, characterized in that: The invention comprises a link frame (100), wherein the link frame (100) comprises a first support rod (110) and a second support rod (120), wherein a first frame (130) is mounted on the upper end of the first support rod (110), and a second frame (150) is mounted on the second support rod (120), wherein an electric push rod accommodating shell (170) is connected between the first frame (130) and the second frame (150), wherein a sliding seat (140) is hingedly connected to the first frame (130), wherein the sliding seat (140) is slidably engaged with the electric push rod accommodating shell (170), wherein the electric push rod accommodating shell (170) comprises a front half shell (171) and a rear half shell (172), wherein the rear half shell (172) is engaged with the front half shell (171), wherein an adjusting rod (180) is threadedly connected to the sliding seat (140), and wherein the adjusting rod (180) is arranged in the electric push rod accommodating shell (170).

2. A link structure for conveniently installing an electric push rod according to claim 1, characterized in that: The first frame (130) is fixed to the middle part of the first support rod (110) by means of bolts, the second frame (150) is fixed to the middle part of the second support rod (120) by means of bolts, a cover plate is clamped on one end of the electric push rod accommodating shell (170), and a housing (160) is fixed to the other end of the electric push rod accommodating shell (170).

3. A link structure for conveniently installing an electric push rod according to claim 2, characterized in that: A mounting ear (161) is fixed on the surface of the housing (160), and the mounting ear (161) is hingedly connected to the second frame (150) via a pin. A controller for controlling the electric push rod is installed in the housing (160).

4. The link structure for conveniently installing an electric push rod according to claim 1, characterized in that: Screws (131) are respectively threadedly connected at both ends of the first frame (130), a positioning hole (141) is provided on the surface of the slide seat (140), and one end of the screw (131) is rotatably inserted into the positioning hole (141).

5. The link structure for conveniently installing an electric push rod according to claim 1, characterized in that: The slide seat (140) is provided with a threaded hole, the surface of the adjustment rod (180) is provided with an external thread threadedly connected to the threaded hole, one end of the adjustment rod (180) is rotatably clamped with a top plate (181), and the other end surface of the adjustment rod (180) is provided with a hexagonal groove (183).

6. The link structure for conveniently installing an electric push rod according to claim 1, characterized in that: Linkage mechanisms (300) are respectively provided on both sides of the electric push rod accommodating shell (170), and the linkage mechanisms (300) are connected between the first support rod (110) and the second support rod (120).

7. A link structure for conveniently installing an electric push rod according to claim 6, characterized in that: The linkage mechanism (300) comprises a sliding rod (310) fixedly connected to the first support rod (110), one end of the sliding rod (310) being fixed to the first support rod (110) by means of a bolt; a sliding sleeve (330) fixedly connected to the second support rod (120), the sliding rod (310) slidingly passing through the sliding sleeve (330); A compression spring (350) is arranged between the slide rod (310) and the slide sleeve (330), one end of the compression spring (350) is fixed to the slide rod (310), and the other end of the compression spring (350) is in contact with the slide sleeve (330).

8. The link structure for conveniently installing an electric push rod according to claim 7, characterized in that: One end of the sliding rod (310) is hingedly connected to a hinge rod (311), one end of the sliding sleeve (330) is fixedly connected to a limit rod (331), and a connecting rod (370) is hingedly connected between the limit rod (331) and the hinge rod (311).

Citation Information

Patent Citations

  • Massage sofa frame

    CN203763454U