Mechanical arm convenient to install

Abstract

The utility model discloses a mechanical arm convenient to install. The mechanical arm comprises a seat support, a mechanical arm assembly and an installation assembly. A rotating shaft is rotationally connected to the interior of the seat support, a movable backrest is fixedly connected to the outer side wall of the rotating shaft, and one end of the rotating shaft extends to the exterior of the seat support and is fixedly connected with a rotating wheel; the mechanical arm assembly comprises a connecting plate fixedly arranged on the seat support, an electric push rod is fixedly installed on the connecting plate, an output shaft of the electric push rod is rotationally connected with a connecting arm, and one side of the connecting arm is rotationally connected with a rotating wheel; according to the mechanical arm convenient to install, the installation assembly is arranged on the seat support and the mechanical arm assembly, so that the clamping block can abut against the connecting plate and the connecting arm under the tensioning force of the spring, and therefore the mechanical arm assembly can be rapidly and stably installed; and the problem that time and labor are wasted due to the fact that a plurality of bolts need to be tightened in sequence in the installation process is solved, and therefore the convenience of the mechanical arm during installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arm installation, in particular to a mechanical arm which is easy to install. Background Art

[0002] As is known to all, in the prior art, the backrest on the multifunctional seat can be adjusted in angle according to actual needs, so that the user can change between sitting and lying postures; in order to enrich the automation function of the seat, a mechanical arm is usually configured to electrically adjust the backrest angle; but since the existing electric mechanical arm is mainly fixed on the seat by tightening multiple bolts in sequence, it is not convenient to improve the convenience of installing the electric mechanical arm on the seat; for this reason, we propose a mechanical arm that is easy to install.

[0003] The above information disclosed in the Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may include information that does not constitute the prior art that is already known to one of ordinary skill in the art. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical arm that is easy to install, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical arm that is easy to install, comprising: a seat bracket, a mechanical arm assembly and a mounting assembly;

[0006] A rotating shaft is rotatably connected inside the seat bracket, a movable backrest is fixedly connected to the outer wall of the rotating shaft, and one end of the rotating shaft extends to the outside of the seat bracket and is fixedly connected to a rotating wheel;

[0007] The mechanical arm assembly comprises a connecting plate fixedly arranged on the seat bracket, an electric push rod is fixedly installed on the connecting plate, an output shaft of the electric push rod is rotatably connected to a connecting arm, and one side of the connecting arm is rotatably connected to a rotating wheel;

[0008] The mounting assembly includes a first through slot provided inside the connecting plate and a second through slot provided inside the connecting arm, a first plug rod is inserted into the first through slot, one end of the first plug rod is fixedly connected to the seat bracket, a second plug rod is inserted into the second through slot, one end of the second plug rod is rotatably connected to the rotating wheel, grooves are provided inside the first plug rod and the second plug rod, a spring is fixedly connected to the inner side wall of the groove, a clamp is fixedly connected to one end of the spring, and the clamp block is movably connected in the groove.

[0009] By adopting the above technical solution, the output shaft of the electric push rod can drive the rotating wheel to rotate clockwise through the connecting arm after it is extended, so that the rotating wheel can drive the movable backrest to stand up through the rotating shaft, thereby facilitating the back support of the user sitting on the seat bracket, and the output shaft of the electric push rod can drive the rotating wheel to rotate counterclockwise through the connecting arm after it is retracted, so that the seat back can be flush with the seat bracket, thereby facilitating the user to lie flat; in addition, when installing the mechanical arm assembly, the connecting plate and the connecting arm can be first tightly attached to the position close to the seat bracket, so that the first insertion rod and the second insertion rod can respectively penetrate the first through groove and the second through groove, so that the clamping block can be squeezed into the groove by the inner wall of the first through groove and the first through groove, and when the clamping block is extended from the first through groove and the second through groove, it can be moved out of the groove under the resetting action of the spring, so that the connecting plate and the connecting arm can be respectively pressed against the position close to the seat bracket, thereby improving the working efficiency of the mechanical arm assembly during installation.

[0010] Preferably, the inner side wall of the groove is symmetrically provided with a slide groove, the inner side wall of the slide groove is slidably connected with a slider, and one side of the slider is fixedly connected to the clamping block.

[0011] By adopting the above technical solution, the sliding groove and the sliding block can limit the movement of the clamping block, so that the clamping block can only move in a straight line, so that the clamping block can firmly press against the connecting plate and the connecting arm.

[0012] Preferably, a stopper is fixedly mounted on the second insertion rod.

[0013] By adopting the above technical solution, the clamping block can press the connecting arm against the stopper, so that a gap is left between the connecting arm and the rotating wheel, thereby not affecting the normal rotation of the rotating wheel.

[0014] Preferably, one side of the movable backrest is evenly and fixedly connected with a support rod.

[0015] By adopting the technical solution, the movable backrest can be supported after being laid flat.

[0016] Preferably, one end of the support rod is fixedly connected to a support block.

[0017] By adopting the above technical solution, the stability of the support rod during use can be improved.

[0018] Preferably, a protrusion is fixedly connected to the leg of the seat bracket.

[0019] By adopting the above technical solution, the stability of the seat bracket when it is placed in use can be improved.

[0020] Preferably, the number of the first insertion rods and the number of the first through slots are both two.

[0021] By adopting the above technical solution, the connecting plate can be installed on the seat bracket without shaking.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] This easy-to-install robotic arm has an installation component set on the seat bracket and the robotic arm component, so that the clamp block can press the connecting plate and the connecting arm tightly under the tension of the spring, so that the robotic arm component can be installed quickly and stably, avoiding the time-consuming and labor-intensive problem of tightening multiple bolts in sequence during the installation process, thereby improving the convenience of installing the robotic arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the mechanical arm that is easy to install according to the utility model;

[0025] Figure 2 It is a structural schematic diagram of the disassembly and assembly mechanism and the mechanical arm assembly in the mechanical arm which is easy to install in the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the electric push rod and the connecting arm in the mechanical arm that is easy to install in the utility model;

[0027] Figure 4 The utility model is an easy-to-install mechanical arm Figure 3 A magnified schematic diagram of area A;

[0028] Figure 5 The utility model is an easy-to-install mechanical arm Figure 3 A magnified schematic diagram of area B;

[0029] Figure 6 The utility model is a schematic diagram of the structure of the slide groove and the sliding block in the mechanical arm which is easy to install.

[0030] In the figure: 1. seat bracket; 10. rotating shaft; 11. movable backrest; 12. support rod; 13. support block; 14. bump; 15. rotating wheel; 2. mechanical arm assembly; 20. connecting plate; 21. electric push rod; 22. connecting arm; 3. mounting assembly; 30. first plug rod; 31. groove; 32. spring; 33. clamping block; 34. second plug rod; 35. stopper; 36. second through groove; 37. first through groove; 38. slide groove; 39. slider. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-Figure 6 , the utility model provides a technical solution: a mechanical arm that is easy to install, comprising: a seat bracket 1, a mechanical arm assembly 2 and an installation assembly 3;

[0033] Firstly, in order to enable the output shaft of the electric push rod 21 to drive the rotating wheel 15 to rotate clockwise through the connecting arm 22 after being extended, so that the rotating wheel 15 can drive the movable backrest 11 to stand up through the rotating shaft 10, thereby facilitating the back support of the user sitting on the seat frame 1, and the output shaft of the electric push rod 21 can drive the rotating wheel 15 to rotate counterclockwise through the connecting arm 22 after being retracted, so that the seat back can be flush with the seat frame 1, thereby facilitating the user to lie flat; the seat frame 1 is rotatably connected with the rotating shaft 10 inside, and the movable backrest 11 is fixedly connected to the outer wall of the rotating shaft 10, and one end of the rotating shaft 10 extends to the outside of the seat frame 1 and is fixedly connected with the rotating wheel 15; the mechanical arm assembly 2 includes a connecting plate 20 fixedly arranged on the seat frame 1, and the electric push rod 21 is fixedly installed on the connecting plate 20, and the output shaft of the electric push rod 21 is rotatably connected with the connecting arm 22, and one side of the connecting arm 22 is rotatably connected with the rotating wheel 15;

[0034] Secondly, in order to install the mechanical arm assembly 2, the connecting plate 20 and the connecting arm 22 can be respectively pressed against the position close to the seat bracket 1, so that the first insertion rod 30 and the second insertion rod 34 can respectively penetrate the first through groove 37 and the second through groove 36, so that the clamping block 33 can be squeezed into the groove 31 by the inner wall of the first through groove 37 and the first through groove 37, and when the clamping block 33 extends out of the first through groove 37 and the second through groove 36, it can be moved out of the groove 31 under the restoring action of the spring 32, so that the connecting plate 20 and the connecting arm 22 can be respectively pressed against the position close to the seat bracket 1, thereby improving the working efficiency of the mechanical arm assembly 2 during installation; the installation assembly 3 includes an opening at The first through slot 37 inside the connecting plate 20 and the second through slot 36 inside the connecting arm 22, the first through slot 37 has a first plug rod 30 inserted therein, one end of the first plug rod 30 is fixedly connected to the seat support 1, the second through slot 36 has a second plug rod 34 inserted therein, one end of the second plug rod 34 is rotatably connected to the rotating wheel 15, the first plug rod 30 and the second plug rod 34 are both provided with a groove 31 inside, the inner side wall of the groove 31 is fixedly connected to a spring 32, one end of the spring 32 is fixedly connected to a clamping block 33, and the clamping block 33 is movably connected in the groove 31; in order to prevent the connecting plate 20 from shaking after being installed on the seat support 1, the number of the first plug rod 30 and the number of the first through slot 37 are both two;

[0035] Again, in order to limit the movement of the clamping block 33 by the sliding groove 38 and the sliding block 39, so that the clamping block 33 can only move in a straight line, so that the clamping block 33 can firmly press the connecting plate 20 and the connecting arm 22, the inner side wall of the groove 31 is symmetrically provided with a sliding groove 38, and the inner side wall of the sliding groove 38 is slidably connected with a sliding block 39, and one side of the sliding block 39 is fixedly connected to the clamping block 33; in order to enable the clamping block 33 to press the connecting arm 22 against the stopper 35, so that a gap is left between the connecting arm 22 and the rotating wheel 15, thereby not affecting the normal rotation of the rotating wheel 15, the stopper 35 is fixedly sleeved on the second plug rod 34; in order to facilitate the support of the movable backrest 11 after it is laid flat, one side of the movable backrest 11 is evenly fixedly connected with the support rod 12; in order to improve the stability of the support rod 12 when it is in use, one end of the support rod 12 is fixedly connected with the support block 13; in order to improve the stability of the seat bracket 1 when it is placed in use, the leg of the seat bracket 1 is fixedly connected with a protrusion 14.

[0036] According to the above technical solution, the working steps of this solution are summarized and sorted out: when installing the mechanical arm assembly 2, the connecting plate 20 and the connecting arm 22 can be firstly pressed against the seat bracket 1 and the stopper 35 respectively, so that the first insertion rod 30 and the second insertion rod 34 can respectively penetrate the first through groove 37 and the second through groove 36, so that the clamping block 33 can be squeezed into the groove 31 by the first through groove 37 and the inner wall of the first through groove 37, and when the clamping block 33 extends out of the first through groove 37 and the second through groove 36, it can be moved out of the groove 31 under the reset action of the spring 32, so that the connecting arm assembly 2 can be installed. The connecting plate 20 and the connecting arm 22 can be pressed against the seat frame 1 and the stopper 35 respectively; the electric push rod 21 is started, and the output shaft of the electric push rod 21 is extended to drive the rotating wheel 15 to rotate clockwise through the connecting arm 22, so that the rotating wheel 15 can drive the movable backrest 11 to stand up through the rotating shaft 10, thereby facilitating the back support of the user sitting on the seat frame 1, and the output shaft of the electric push rod 21 is retracted to drive the rotating wheel 15 to rotate counterclockwise through the connecting arm 22, so that the seat back can be flush with the seat frame 1, thereby facilitating the user to lie flat.

[0037] In summary: the easy-to-install robotic arm arranges the mounting assembly 3 on the seat bracket 1 and the robotic arm assembly 2, so that the clamping block 33 can press the connecting plate 20 and the connecting arm 22 together under the tensioning force of the spring 32, so that the robotic arm assembly 2 can be installed quickly and stably, avoiding the time-consuming and labor-intensive problem of tightening multiple bolts in sequence during the installation process, thereby improving the convenience of the robotic arm during installation.

[0038] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A mechanical arm that is easy to install, characterized in that: include: A seat support (1), a mechanical arm assembly (2) and a mounting assembly (3); The seat support (1) is rotatably connected to a rotating shaft (10), an outer wall of the rotating shaft (10) is fixedly connected to a movable backrest (11), and one end of the rotating shaft (10) extends to the outside of the seat support (1) and is fixedly connected to a rotating wheel (15); The mechanical arm assembly (2) comprises a connecting plate (20) fixedly arranged on the seat bracket (1), an electric push rod (21) fixedly mounted on the connecting plate (20), an output shaft of the electric push rod (21) being rotatably connected to a connecting arm (22), and one side of the connecting arm (22) being rotatably connected to a rotating wheel (15); The mounting assembly (3) comprises a first through slot (37) provided inside the connecting plate (20) and a second through slot (36) provided inside the connecting arm (22); a first plug rod (30) is inserted into the first through slot (37); one end of the first plug rod (30) is fixedly connected to the seat bracket (1); a second plug rod (34) is inserted into the second through slot (36); one end of the second plug rod (34) is rotatably connected to the rotating wheel (15); a groove (31) is provided inside the first plug rod (30) and the second plug rod (34); a spring (32) is fixedly connected to the inner side wall of the groove (31); one end of the spring (32) is fixedly connected to a clamping block (33); the clamping block (33) is movably connected in the groove (31).

2. A mechanical arm that is easy to install according to claim 1, characterized in that: The inner side wall of the groove (31) is symmetrically provided with a sliding groove (38), the inner side wall of the sliding groove (38) is slidably connected with a sliding block (39), and one side of the sliding block (39) is fixedly connected to the clamping block (33).

3. The easy-to-install mechanical arm according to claim 1, characterized in that: A stopper (35) is fixedly mounted on the second insertion rod (34).

4. The easy-to-install mechanical arm according to claim 1, characterized in that: One side of the movable backrest (11) is evenly and fixedly connected with a support rod (12).

5. The easy-to-install mechanical arm according to claim 4, characterized in that: One end of the support rod (12) is fixedly connected to a support block (13).

6. The easy-to-install mechanical arm according to claim 1, characterized in that: A convex block (14) is fixedly connected to the supporting leg of the seat support (1).

7. The easy-to-install mechanical arm according to claim 1, characterized in that: The number of the first insertion rods (30) and the number of the first through slots (37) are both two.

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