Handrail frame machining fixing clamp

Abstract

The utility model belongs to the field of chair production, and particularly relates to a handrail frame machining fixing clamp which comprises a base, and the top of the base is connected with a plurality of supports in a bolted mode. A connecting rod is hinged to one end of the support, a fixing arm is hinged to the other end of the support, a handle is hinged to the fixing arm, the top of the connecting rod is hinged to the handle, and a fixing seat is arranged at the end, away from the handle, of the fixing arm. According to the handrail frame fixing device, the handle is controlled to rotate the fixing arm, the end of the fixing arm is lifted, then the handrail frame is placed below the fixing base, then the handle is controlled to enable the fixing arm to press downwards so that the fixing base can tightly press the handrail frame, the handrail frame is fixed, and therefore the situation that the handrail frame moves in the machining process is reduced, and the machining efficiency is improved. And the machining precision can be improved conveniently.

Description

Technical Field

[0001] The utility model relates to the field of chair production, in particular to a fixture for processing and fixing an armrest frame. Background Art

[0002] The armrest frame refers to the frame on both sides of the chair. It is the main support structure of the chair armrest. While providing support and protection, it also affects the overall aesthetics. It is made of aluminum alloy and has the characteristics of light weight, high strength, and corrosion resistance. It can withstand a certain weight and pressure to ensure the stability and safety of the armrest. Metal armrest frames are usually sturdy and durable, able to withstand greater weight and pressure, and are suitable for office chairs, dining chairs and other occasions that need to withstand frequent use.

[0003] However, during the processing of the handrail frame, the handrail frame is prone to shaking, which affects the processing accuracy; therefore, a handrail frame processing and fixing fixture is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention proposes a fixture for processing and fixing an armrest frame.

[0005] The technical solution adopted by the present invention to solve its technical problems is: the handrail frame processing and fixing fixture described in the present invention includes a base, and a plurality of supports are bolted to the top of the base; one end of the support is hinged with a connecting rod, and the other end of the support is hinged with a fixed arm, and a handle is hinged on the fixed arm, the top of the connecting rod is hinged to the handle, and a fixed seat is provided at the end of the fixed arm away from the handle.

[0006] Preferably, the fixed seat includes a first screw, two pressure seats and multiple nuts. A slide groove is opened in the fixed arm. The two pressure seats are slidingly connected to the top and bottom of the slide groove respectively. The first screw passes through the pressure seat and is slidingly connected to the pressure seat. The nut is threadedly connected to the first screw.

[0007] Preferably, two positioning seats are installed on the base, and the tops of the positioning seats are fixed with positioning pins; the positioning pins can position the armrest frame.

[0008] Preferably, two adjustment slots are provided on the base, a second screw is rotatably connected to the middle of the adjustment slot, the positioning seat is located at the top of the adjustment slot, a threaded seat is fixed to the bottom of the positioning seat, the threaded seat is located inside the adjustment slot, and the second screw passes through the threaded seat and is threadedly connected to it.

[0009] Preferably, a slide rail is fixedly connected to the side surface of the adjustment groove, and a groove is provided on the side surface of the threaded seat, and the groove and the slide rail are slidably connected.

[0010] Preferably, a pressing seat is fixedly connected to the bottom end of the first screw, and the pressing seat is made of rubber material.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model is provided with a base, a support, a connecting rod, a fixed arm and a handle. When in use, the base is mounted on the workbench of the processing machine tool, and the support is fixed to the base by bolts. The operator relies on the control handle to rotate the fixed arm so that the end is lifted. After that, the handrail frame is placed under the fixed seat, and then the handle is controlled to press the fixed arm downward so that the fixed seat presses the handrail frame tightly, thereby fixing the handrail frame, thereby reducing the movement of the handrail frame during the processing and facilitating the improvement of the processing accuracy.

[0013] 2. The utility model provides a pressure seat, a first screw and a nut. When in use, the pressure seat can slide on the slide groove to adjust the position of the screw, so as to facilitate the adjustment of the position where the screw presses the armrest frame, thereby improving adaptability and scope of application. The pressure seat is pressed and fixed by rotating and tightening the nut. The screw is arranged in the middle of the pressure seat, and the height of the screw can be adjusted by rotating the nut to adapt to armrest frames of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the positioning seat structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the handle and connecting rod structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the base of the present utility model;

[0019] Figure 5 It is a structural schematic diagram of the threaded seat of the present utility model.

[0020] In the figure: 11, base; 12, support; 13, fixed arm; 14, connecting rod; 15, handle; 21, slide groove; 22, pressure seat; 23, first screw; 24, nut; 31, positioning seat; 32, positioning pin; 41, adjustment slot; 42, second screw; 43, threaded seat; 51, groove; 52, slide rail; 6, pressing seat; 7, rubber sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Specific examples are given below.

[0023] See also Figure 1-3 As shown, a handrail frame processing and fixing fixture includes a base 11, and a plurality of supports 12 are bolted to the top of the base 11; one end of the support 12 is hinged with a connecting rod 14, and the other end of the support 12 is hinged with a fixing arm 13, and a handle 15 is hinged on the fixing arm 13, the top of the connecting rod 14 is hinged to the handle 15, and the end of the fixing arm 13 away from the handle 15 is provided with a fixing seat.

[0024] When in use, the base 11 is installed on the workbench of the processing machine tool, and the support 12 is fixed to the base 11 by bolts. The staff relies on the control handle 15 to rotate the fixed arm 13 to lift the end, and then put the armrest frame under the fixed seat, and then control the handle 15 to press the fixed arm 13 down so that the fixed seat presses the armrest frame, so as to fix the armrest frame, thereby reducing the movement of the armrest frame during the processing process and facilitating the improvement of the processing accuracy.

[0025] Further, such as Figure 1-3 As shown, the fixing seat includes a first screw 23, two pressure seats 22 and a plurality of nuts 24. A slide groove 21 is opened in the fixing arm 13. The two pressure seats 22 are slidably connected to the top and bottom of the slide groove 21 respectively. The first screw 23 passes through the pressure seat 22 and is slidably connected to the pressure seat 22. The nut 24 is threadedly connected to the first screw 23.

[0026] In this embodiment, the fixing seat is composed of a first screw 23, two pressure seats 22 and multiple nuts 24, wherein the pressure seat 22 can slide on the slide groove 21 to adjust the position of the screw, so as to facilitate the adjustment of the position of the screw pressing the armrest frame, thereby improving the adaptability and scope of application. The pressure seat 22 is pressed and fixed by rotating and tightening the nut 24, and the screw is passed through the middle of the pressure seat 22. The height of the screw can be adjusted by rotating the nut 24 to adapt to armrest frames of different thicknesses.

[0027] Further, such as Figure 2 As shown, two positioning seats 31 are installed on the base 11, and a positioning pin 32 is fixed to the top of the positioning seat 31; the positioning pin 32 can position the armrest frame; when in use, the positioning seat 31 and the positioning pin 32 above are used to position the armrest frame, and a hole for installing the armrest is opened on the armrest frame, and the positioning pin 32 is positioned by inserting into the armrest installation hole.

[0028] Further, such as Figure 4-5 As shown, the base 11 is provided with two adjustment slots 41, the middle of the adjustment slot 41 is rotatably connected to a second screw 42, the positioning seat 31 is located at the top of the adjustment slot 41, the bottom of the positioning seat 31 is fixedly connected to a threaded seat 43, the threaded seat 43 is located inside the adjustment slot 41, and the second screw 42 passes through the threaded seat 43 and is threadedly connected thereto; a slide rail 52 is fixedly connected to the side of the adjustment slot 41, and a groove 51 is provided on the side of the threaded seat 43, and the groove 51 and the slide rail 52 are slidably connected;

[0029] In this embodiment, the support 12 is installed on the threaded seat 43, and then the second screw 42 is rotated to independently control the movement of the positioning seat 31, thereby adjusting the position of the adjusting pin, so that the armrest frames with different distances between the armrest mounting holes can be conveniently positioned, thereby improving the range of adaptation, and relying on the setting of the slide rail 52 and the groove 51 for cooperation, it can improve the stability of the threaded seat 43 and the positioning seat 31.

[0030] Further, such as Figure 1-3 As shown, the bottom end of the first screw 23 is fixedly connected with a clamping seat 6, and the clamping seat 6 is made of rubber material; by setting the clamping seat 6 made of rubber material, it can be convenient to improve the fixing effect of the armrest frame, and the clamping seat 6 has a certain elasticity, which can serve as a protective seat for the armrest frame.

[0031] Further, such as Figure 1-3 As shown, a rubber sleeve 7 is fixed to the handle 15. When in use, the rubber sleeve 7 can easily rotate the handle 15, thereby making it convenient for the staff to operate and fix the handrail frame.

[0032] Working principle: when in use, the base 11 is installed on the workbench of the processing machine tool, and the support 12 is fixed to the base 11 by bolts. The staff relies on the control handle 15 to rotate the fixed arm 13 to lift the end. After that, the armrest frame is placed under the fixed seat, and then the handle 15 is controlled to press the fixed arm 13 down so that the fixed seat presses the armrest frame tightly, so as to fix the armrest frame, thereby reducing the movement of the armrest frame during the processing process, and facilitating the improvement of the processing accuracy.

[0033] In this embodiment, the fixing seat is composed of a first screw 23, two pressure seats 22 and a plurality of nuts 24, wherein the pressure seat 22 can slide on the slide groove 21 to adjust the position of the screw, thereby facilitating the adjustment of the position where the screw presses the armrest frame, thereby improving adaptability and scope of application. The pressure seat 22 is pressed and fixed by rotating and tightening the nut 24, and the screw is passed through the middle of the pressure seat 22. The height of the screw can be adjusted by rotating the nut 24 to adapt to armrest frames of different thicknesses. The positioning seat 31 and the positioning pin 32 above are used to position the armrest frame. Holes for installing the armrest are provided on the armrest frame. The positioning pin 32 is positioned by inserting it into the armrest mounting hole, and the support 12 is installed on the threaded seat 43. Then, by rotating the second screw 42, the positioning seat 31 can be individually controlled to move, thereby adjusting the position of the adjusting pin, so that the armrest frames with different distances between the armrest mounting holes can be conveniently positioned, thereby improving the range of adaptation. By setting the slide rail 52 and the groove 51 for cooperation, it can improve the stability of the threaded seat 43 and the positioning seat 31. By setting a clamping seat 6 made of rubber material, it can facilitate the improvement of the fixing effect of the armrest frame, and the clamping seat 6 has a certain elasticity, which can serve as a protective seat for the armrest frame.

[0034] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A handrail frame processing and fixing fixture, comprising a base (11), wherein a plurality of supports (12) are bolted to the top of the base (11); characterized in that: One end of the support (12) is hinged with a connecting rod (14), the other end of the support (12) is hinged with a fixed arm (13), a handle (15) is hinged on the fixed arm (13), the top of the connecting rod (14) is hinged with the handle (15), and a fixed seat is provided at one end of the fixed arm (13) away from the handle (15).

2. The handrail frame processing and fixing fixture according to claim 1, characterized in that: The fixing seat comprises a first screw rod (23), two pressure seats (22) and a plurality of nuts (24); a slide groove (21) is provided in the fixing arm (13); the two pressure seats (22) are slidably connected to the top and bottom of the slide groove (21) respectively; the first screw rod (23) passes through the pressure seat (22) and is slidably connected to the pressure seat (22); the nut (24) is threadedly connected to the first screw rod (23).

3. The handrail frame processing and fixing fixture according to claim 2, characterized in that: Two positioning seats (31) are installed on the base (11), and the top of the positioning seat (31) is fixedly connected with a positioning pin (32); the positioning pin (32) can position the handrail frame.

4. The handrail frame processing and fixing fixture according to claim 3, characterized in that: The base (11) is provided with two adjustment grooves (41), the middle of the adjustment groove (41) is rotatably connected to a second screw (42), the positioning seat (31) is located at the top of the adjustment groove (41), the bottom of the positioning seat (31) is fixedly connected to a threaded seat (43), the threaded seat (43) is located inside the adjustment groove (41), and the second screw (42) passes through the threaded seat (43) and is threadedly connected thereto.

5. The handrail frame processing and fixing fixture according to claim 4, characterized in that: A slide rail (52) is fixedly connected to the side of the adjustment groove (41), and a groove (51) is provided on the side of the threaded seat (43). The groove (51) and the slide rail (52) are slidably connected.

6. The handrail frame processing and fixing fixture according to claim 2, characterized in that: The bottom end of the first screw rod (23) is fixedly connected to a pressing seat (6), and the pressing seat (6) is made of rubber material.

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