Double-electric office chair frame

Abstract

The utility model discloses a double-electric office chair frame which comprises a first electric push rod, a second electric push rod, a base, a movable frame, a foot pad frame, a backrest frame, a first rod, a second rod, a third rod and a first connecting rod mechanism, the movable frame is connected with the base, and the foot pad frame is connected with the movable frame through the first connecting rod mechanism and connected with the base. The backrest frame is connected with the movable frame, the first electric push rod is installed on the base, the first electric push rod is connected with the movable frame through the first rod, the second rod is connected with the movable frame, the third rod is connected with the backrest frame, and the second rod and the third rod are both connected with the second electric push rod. According to the utility model, the first electric push rod and the second electric push rod are arranged on different mechanisms, so that the heights of the first electric push rod and the second electric push rod can be different, the required size of the base is effectively reduced, and the size requirement of an office chair manufactured by the base is reduced subsequently.

Description

Technical Field

[0001] The utility model relates to the field of office chair design, in particular to a double electric office chair frame. Background Art

[0002] CN202321249850.6 discloses a dual electric office chair bracket, and specifically discloses a first electric push rod, a second electric push rod, a first action rod, a second action rod, an armrest frame, a foot pad frame, a backrest frame and a connecting rod mechanism. The armrest frame can be used for installing the armrest, the foot pad frame can be used for installing the foot pad, and the backrest frame can be used for installing the backrest. The first electric push rod can be used to drive the first action rod to move, and the movement of the first action rod can correspondingly drive the movement of the foot pad frame through the connecting rod mechanism to achieve position adjustment of the foot pad. The second electric push rod can also be used to drive the second action rod to move, and the movement of the second action rod can correspondingly drive the backrest frame to rotate on the fixed frame to achieve position adjustment of the backrest.

[0003] However, in the dual electric office chair bracket, the first electric push rod and the second electric push rod are both arranged on the same structure, and the two are at the same height, which requires more installation space for the setting structure, resulting in a large required size of the setting structure. The size of the office chair obtained through subsequent assembly is also larger, requiring more space, which is not conducive to the use of small-sized office chairs. Utility Model Content

[0004] The purpose of the utility model is to provide a double electric office chair frame, which can solve one or more of the above problems.

[0005] According to one aspect of the utility model, a double electric office chair frame is provided, comprising a first electric push rod, a second electric push rod, a base, a movable frame, a footrest frame, a backrest frame, a first rod, a second rod, a third rod and a first connecting rod mechanism.

[0006] The movable frame is connected to the base, the footrest frame is connected to the movable frame through a first connecting rod mechanism and is connected to the base, and the backrest frame is connected to the movable frame.

[0007] The first electric push rod is installed on the base, and the first electric push rod is connected to the movable frame through the first rod.

[0008] The second rod is connected to the movable frame, the third rod is connected to the backrest frame, and the second rod and the third rod are both connected to the second electric push rod.

[0009] The beneficial effect of the utility model is that in the utility model, the first electric push rod can be used to adjust the position of the footrest frame, the second electric push rod can be used to adjust the position of the backrest frame, and the first electric push rod and the second electric push rod are arranged on different mechanisms, so that the heights of the two can be different, so that the two can be arranged in the form of overlapping projections in the longitudinal position, thereby effectively reducing the required size of the base, and reducing the size requirement of the office chair subsequently produced by the utility model, reducing its floor space requirement, and being more conducive to the production of small office chairs.

[0010] In some embodiments, the first rod is connected to a first swing rod, and the first swing rod is hinged to the movable frame, so that the movement of the first rod can drive the movable frame to move accordingly through the first swing rod.

[0011] In some embodiments, the third rod is connected to a second swing rod, and the second swing rod is hinged to the backrest frame, so that the movement of the second rod can drive the backrest frame to move accordingly through the second swing rod.

[0012] In some embodiments, the first link mechanism includes a first link, a second link and a third link, one end of the first link is hinged to the foot pad frame, and the other end is hinged to one end of the second link, the other end of the second link is hinged to the movable frame, and one end of the third link is hinged to the base, and the other end is hinged to the second link.

[0013] In some embodiments, the first link mechanism includes a fourth link and a fifth link, one end of the fourth link is hinged to the foot pad frame, the other end of the fourth link is hinged to one end of the fifth link, and the other end of the fifth link is hinged to the movable frame.

[0014] In some embodiments, the utility model further comprises a sixth connecting rod, one end of which is hinged to the movable frame, and the other end of which is hinged to the base.

[0015] In some embodiments, the base includes side pieces and a connecting strip, the side pieces are two, one end of the connecting strip is connected to one side piece, and the other end is connected to the other side piece, and the first electric push rod is installed on the connecting strip. The provision of the side pieces can facilitate the connection of the utility model with the seat of the office chair, and the connection between them is only through the connecting strip, which can reduce the weight of the utility model and reduce the probability that the user feels the utility model after connecting with the seat of the office chair, thereby improving comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A sectional view of a schematic structural diagram of a double electric office chair frame according to an embodiment of the utility model.

[0017] Figure 2A top view of a schematic structural diagram of a double electric office chair frame according to an embodiment of the present invention.

[0018] Figure 3 This is a top view of a structural schematic diagram of a dual electric office chair frame according to an embodiment of the present invention when the second electric push rod is not provided.

[0019] In the figure: 1. first electric push rod, 2. second electric push rod, 3. base, 4. movable frame, 5. footrest frame, 6. backrest frame, 7. first rod, 8. second rod, 9. third rod, 10. first connecting rod mechanism, 30. first swing rod, 40. second swing rod, 31. side member, 32. connecting strip, 101. first connecting rod, 102. second connecting rod, 103. third connecting rod, 104. fourth connecting rod, 105. fifth connecting rod, 50. sixth connecting rod. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] refer to Figure 1 , Figure 2 and Figure 3 The utility model discloses a double electric office chair frame, comprising a first electric push rod 1, a second electric push rod 2, a base 3, a movable frame 4, a footrest frame 5, a backrest frame 6, a first rod 7, a second rod 8, a third rod 9 and a first connecting rod mechanism 10.

[0022] The base 3 includes a side piece 31 and a connecting strip 32. One end of the connecting strip 32 is fixedly connected to one side piece 31 by bolts, and the other end of the connecting strip 32 is fixedly connected to the other side piece 31 by bolts.

[0023] The cylinder body of the first electric push rod 1 is rotatably mounted on the connecting bar 32 via a pin shaft, and the piston rod of the first electric push rod 1 is hinged to the first rod 7 via a pin shaft.

[0024] The first rod 7 is preferably a cross rod, and the two ends of the first rod 7 are respectively connected to the first swing rods 30, and the two first swing rods 30 are respectively connected to the movable frames 4, that is, the movable frames 4 are also preferably two, and the first swing rod 30 and the movable frames 4 are hinged by a pin shaft, so that the first electric push rod 1 is connected to both movable frames 4 through the first rod 7.

[0025] The first link mechanism 10 includes a first link 101, a second link 102 and a third link 103. One end of the first link 101 is hinged to the footrest frame 5 through a pin, the other end of the first link 101 is hinged to one end of the second link 102 through a pin, the other end of the second link 102 is hinged to the movable frame 4 through a pin, one end of the third link 103 is hinged to the base 3 through a pin, and the other end of the third link 103 is hinged to the second link 102 through a pin.

[0026] The first link mechanism 10 further includes a fourth link 104 and a fifth link 105. One end of the fourth link 104 is hinged to the footrest frame 5 via a pin, the other end of the fourth link 104 is hinged to one end of the fifth link 105 via a pin, the other end of the fifth link 105 is hinged to the movable frame 4 via a pin, and the fifth link 105 is also hinged to the first link 101 via a pin.

[0027] Preferably, there are two foot pad frames 5 and two first connecting rod mechanisms 10, so that the two foot pad frames 5 are connected to the two movable frames 4 through the two first connecting rod mechanisms 10 respectively, and the two foot pad frames 5 are also connected to the base 3 through the two first connecting rod mechanisms 10 respectively.

[0028] The number of backrest frames 6 can preferably be two, and one end of the two backrest frames 6 is respectively hinged to the movable frame 4 through a pin.

[0029] The utility model further comprises a sixth connecting rod 50 , and preferably there are two sixth connecting rods 50 , one end of the two sixth connecting rods 50 is respectively hinged to the two movable frames 4 through a pin shaft, and the other end of the two sixth connecting rods 50 is hinged to the base 3 through a pin shaft.

[0030] The second rod 8 and the third rod 9 are also preferably cross rods, and the two ends of the second rod 8 are respectively fixedly connected to the two movable frames 4 by welding, the two ends of the third rod 9 are respectively connected to the second swing rods 40, the two second swing rods 40 are respectively connected to the two backrest frames 6 by pins, and the cylinder body of the second electric push rod 2 is hinged to the third rod 9 by a pin, and the piston rod of the second electric push rod 2 is hinged to the second rod 8 by a pin.

[0031] When the utility model is in use, the base 3 can be used for installing the seat of the office chair, the movable frame 4 can be used for installing the armrests of the office chair, the foot pad frame 5 can be used for installing the foot pad of the office chair, and the backrest frame 6 can be used for installing the backrest of the office chair.

[0032] The user can adjust the position of the footrest frame 5 by triggering the first electric push rod 1 to adjust the position of the footrest, and can also adjust the position of the backrest frame 6 by triggering the second electric push rod 2 to adjust the position of the backrest.

[0033] Specifically, when the position of the footrest frame 5 needs to be adjusted, the first electric push rod 1 can be started, and the first electric push rod 1 can drive the movable frame 4 to move, and the movement of the movable frame 4 can correspondingly drive the footrest frame 5 to move through the first connecting rod mechanism 10; when the position of the backrest frame 6 needs to be adjusted, the second electric push rod 2 can be started, and the second electric push rod 2 can drive the backrest frame 6 to rotate.

[0034] Therefore, the utility model can realize the position adjustment of the backrest frame 6 and the foot pad frame 5 installed thereon, and the first electric push rod 1 is mainly arranged on the base 3, and the second electric push rod 2 is mainly arranged on the movable frame 4, then the first electric push rod 1 and the second electric push rod 2 are arranged on different mechanisms, and the heights of the two can be different, so that the two can be arranged in the form of overlapping projections in the longitudinal position, so as to effectively reduce the required size of the base 3, and reduce the size requirement of the office chair subsequently produced by the utility model, reduce its floor space requirement, and be more conducive to the production of small office chairs, with strong practicality.

[0035] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. Double electric office chair frame, characterized in that: It includes a first electric push rod, a second electric push rod, a base, a movable frame, a footrest frame, a backrest frame, a first rod, a second rod, a third rod and a first connecting rod mechanism, The movable frame is connected to the base, the footrest frame is connected to the movable frame through a first connecting rod mechanism and is connected to the base, and the backrest frame is connected to the movable frame. The first electric push rod is installed on the base, and the first electric push rod is connected to the movable frame through the first rod. The second rod is connected to the movable frame, the third rod is connected to the backrest frame, and the second rod and the third rod are both connected to the second electric push rod.

2. The double electric office chair frame according to claim 1, characterized in that: The first rod is connected to a first swing rod, and the first swing rod is hinged to the movable frame.

3. The double electric office chair frame according to claim 1, characterized in that: The third rod is connected with a second swing rod, and the second swing rod is hinged to the backrest frame.

4. The double electric office chair frame according to claim 1, characterized in that: The first link mechanism includes a first link, a second link and a third link, one end of the first link is hinged to the foot pad frame, and the other end is hinged to one end of the second link, the other end of the second link is hinged to the movable frame, one end of the third link is hinged to the base, and the other end is hinged to the second link.

5. The double electric office chair frame according to claim 4, characterized in that: The first link mechanism includes a fourth link and a fifth link, one end of the fourth link is hinged to the foot pad frame, and the other end is hinged to one end of the fifth link, the other end of the fifth link is hinged to the movable frame, and the fifth link is hinged to the first link.

6. The double electric office chair frame according to claim 1, characterized in that: It comprises a sixth connecting rod, one end of which is hinged to the movable frame, and the other end of which is hinged to the base.

7. The double electric office chair frame according to claim 1, characterized in that: The base includes side pieces and connecting strips. There are two side pieces. One end of the connecting strip is connected to one side piece, and the other end is connected to the other side piece. The first electric push rod is installed on the connecting strip.

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