Stable sewing machine rack

Abstract

The utility model belongs to the technical field of machine frames, and particularly relates to a stable sewing machine frame which comprises a bottom foot and a standing leg perpendicularly fixed to the bottom foot, a vertically sliding telescopic plate is arranged on the inner side of the standing leg, symmetrical first adjusting grooves are formed in the narrow edge of the standing leg, symmetrical second lock holes are formed in the wide edge of the standing leg, and the telescopic plate is arranged in the first adjusting grooves. A first lock hole corresponding to the first adjusting groove is formed in the narrow edge of the telescopic plate, a second adjusting groove corresponding to the second lock hole is formed in the wide edge of the telescopic plate, and a scale strip is arranged on the outer side of the telescopic plate. Firstly, four sets of simple adjusting pieces at different positions are arranged at the standing legs and the telescopic plate and then are matched with the sealing plate, the reliability of the adjusting structure can be guaranteed while the cost is controlled, secondly, the arranged cushion blocks are matched with the clamping strips, the strength of the bottom foot structure can be improved, reliable connection can be provided for the protective sleeve, and the compactness and stability are improved; and finally, modeling ribs are machined at multiple positions of the rack, and the supporting strength is improved while the weight is not increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of frames, in particular to a stable sewing machine frame. Background Art

[0002] Rack is a broad term, which generally refers to a frame structure used to support, install or fix equipment, machines or other components. Some are used to support and fix various mechanical equipment, such as sewing machines, machine tools, generators, etc., to ensure the stability and safety of the equipment;

[0003] The sewing machine frame is the supporting frame of the entire sewing machine. It is an important part of the sewing machine and has key functions and characteristics. Its main function is to provide a stable structure to support the various parts of the sewing machine and ensure that the sewing machine can work smoothly. It is the pillar of the machine, supporting the table and foot pedals, and providing a solid foundation for the overall operation of the sewing machine;

[0004] The legs of sewing machine frames are generally one-piece and cannot be adjusted. There are also some adjustable structures on the market, but the structure is complex and the cost is high or the stability after adjustment is poor; the sheaths at both ends of the base are mostly directly inserted, with poor structural strength and easy to fall off. Some are fixed with bolts, which is obviously not convenient to operate;

[0005] In order to solve the above problems, a stable sewing machine frame is proposed in the present application. Utility Model Content

[0006] The purpose of the utility model is to provide a stable sewing machine frame, which solves the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a stable sewing machine frame, comprising a base and a standing leg vertically fixed on the base, wherein the inner side of the standing leg is provided with a telescopic plate that slides vertically, a symmetrical first adjusting groove is provided on the narrow side of the standing leg, and a symmetrical second locking hole is provided on the wide side, a first locking hole corresponding to the first adjusting groove is provided on the narrow side of the telescopic plate, and a second adjusting groove corresponding to the second locking hole is provided on the wide side, a scale bar is provided on the outer side of the telescopic plate, and a long gasket that cooperates with the second locking hole and the second adjusting groove is provided on the inner side of the telescopic plate, symmetrical pads are welded at the bottom of the base, sheaths are sleeved at both ends of the base, and a clamping strip corresponding to the pad is provided at the lower inner end of the sheath, and also comprises a main crossbeam arranged between the two standing legs, symmetrical folded edges are formed at both ends of the main crossbeam, the cross section of the secondary crossbeam is in a "U" shape, and all threaded connections on the sewing machine frame are provided with hexagonal rivet nuts.

[0009] Furthermore, a sealing plate is welded to the upper end of one side of the opening of the standing leg, a mounting seat is welded to the top of the telescopic plate, and the telescopic plate is inserted into the inner side below the mounting seat and fixed by welding.

[0010] Furthermore, the sheath is a plastic component, and a support foot is connected to the bottom, and the support foot is fixed to the cushion block after passing through the sheath.

[0011] Furthermore, a reinforcing rib is integrally formed at the upper end of the base, and a No. 1-shaped groove is formed on the side surface of the base just below the standing leg.

[0012] Furthermore, recessed grooves are provided at both ends of the main beam, the recessed grooves are fitted on one end of the standing leg, and the folded edges are fitted on one side of the standing leg. The main beam is fixed to the standing leg by bolts, and a No. 2-shaped groove is formed near the connection between the main beam and the standing leg.

[0013] Furthermore, the first adjustment groove is tightly matched with the first locking hole bolt, the second locking hole is tightly matched with the second adjustment groove and the long washer bolt, and the long washer is fitted on the inner side of the telescopic plate after being locked.

[0014] Furthermore, a metal plate fixed to the secondary crossbeam by bolts is welded to the base, and a pedal is installed on the secondary crossbeam.

[0015] The utility model has the following beneficial effects:

[0016] The utility model has the advantages of simple structure, low cost and high reliability by arranging the first adjustment groove and the first lock hole on the narrow surface where the standing leg and the telescopic plate are connected, arranging the second lock hole and the second adjustment groove on the wide surface where the connection is made, and then cooperating with the wide surface through a long gasket.

[0017] The pad welded at the end of the bottom surface of the foot of the utility model not only strengthens the structural strength of the foot, but also cooperates with the clamping strip at the bottom of the sheath, which facilitates disassembly and assembly while effectively improving the stability of the sheath;

[0018] The utility model adopts a reinforcement setting, a No. 1 shaped groove arranged in the foot, a No. 2 shaped groove arranged on the main crossbeam and a shaped rib on the side of the standing leg, which can improve the overall support strength of the frame and also make the frame have a better three-dimensional sense;

[0019] The utility model forms a folded edge at the end of the sink trough, and the folded edge is attached to the outside of the standing leg after installation, thereby strengthening the structural strength of the connection between the main beam and the two standing legs, and the processing technology is simple and the cost is low;

[0020] All bolt connections of the frame of the utility model adopt hexagonal rivet nuts, which avoids the rotation of the nuts during the traditional bolt locking process and improves the convenience of use.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure viewed from the rear;

[0025] Figure 3 It is a schematic diagram of the partially exploded structure of the utility model;

[0026] Figure 4 It is a schematic diagram of the structure of the utility model in which the connection between the bottom foot and the sheath is exploded and partially cut away;

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] In the figure: 1. foot; 11. reinforcing ribs; 12. No. 1 shaped groove; 13. pad; 2. standing leg; 21. first adjustment groove; 22. second locking hole; 3. telescopic plate; 31. first locking hole; 32. second adjustment groove; 33. scale bar; 4. mounting seat; 5. sealing plate; 6. long gasket; 7. main beam; 71. countersunk groove; 72. folded edge; 73. No. 2 shaped groove; 8. secondary beam; 9. pedal; 10. sheath; 101. clamping strip; 100. hexagonal rivet nut. DETAILED DESCRIPTION

[0029] 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.

[0030] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] See also Figure 1-4 As shown, the utility model is a stable sewing machine frame, comprising a base 1 and a standing leg 2 vertically fixed on the base 1, a telescopic plate 3 for vertical sliding is arranged on the inner side of the standing leg 2, a symmetrical first adjustment slot 21 is arranged on the narrow side of the standing leg 2, a symmetrical second lock hole 22 is arranged on the wide side, a first lock hole 31 corresponding to the first adjustment slot 21 is arranged on the narrow side of the telescopic plate 3, a second adjustment slot 32 corresponding to the second lock hole 22 is arranged on the wide side, a scale bar 33 is arranged on the outer side of the telescopic plate 3, a long gasket 6 matching the second lock hole 22 and the second adjustment slot 32 is arranged on the inner side of the telescopic plate 3, a symmetrical pad 13 is welded on the bottom of the base 1, and the base The two ends of the sewing machine are sleeved with a sheath 10, and the lower inner end of the sheath 10 is provided with a clamping strip 101 corresponding to the pad 13. The main crossbeam 7 is provided between the two standing legs 2, and the two ends of the main crossbeam 7 are formed with symmetrical folded edges 72. The cross section of the secondary crossbeam 8 is in a "U" shape. All threaded connections on the sewing machine frame are provided with hexagonal rivet nuts 100. In this embodiment, the positions where the entire frame is locked and fixed by bolts are provided with hexagonal holes that match the hexagonal rivet nuts 100. By adopting the hexagonal rivet nuts, the nut can be prevented from rotating with the bolt during the rotation of the bolt, thereby improving the convenience of use and ensuring the reliability of connection and locking.

[0032] Among them, a sealing plate 5 is welded on the upper end of the opening side of the standing leg 2, a mounting seat 4 is welded on the top of the telescopic plate 3, the telescopic plate 3 is inserted into the inner side below the mounting seat 4 and welded and fixed. In this embodiment, there is at least one sealing plate 5, which ensures the structural strength of the standing leg 2 and the reliability of cooperation with the mounting seat 4.

[0033] Among them, the sheath 10 is a plastic component, and a supporting foot is connected to the bottom. The supporting foot passes through the sheath 10 and is fixed to the pad 13. In this embodiment, the pad 13 is welded to the base 1, and the supporting foot passes through the sheath 10 and is fixed to the pad 13, which ensures that the connection between the supporting foot, the sheath 10, and the base 1 is reliable. The cooperation between the clamping strip 101 and the pad 13 plays a role in both pre-positioning and stabilizing the connection.

[0034] Among them, a reinforcing rib 11 is integrally formed at the upper end of the base 1, and a No. 1-shaped groove 12 is formed on the side of the base 1 and is located directly below the standing leg 2. In this embodiment, the reinforcing rib 11 and the No. 1-shaped groove 12 are both used to strengthen the structure of the base 1 to increase the pressure resistance without increasing the weight.

[0035] Among them, recessed grooves 71 are opened at both ends of the main beam 7, the recessed groove 71 is attached to one end of the standing leg 2, and the folded edge 72 is attached to one side of the standing leg 2, the main beam 7 is fixed to the standing leg 2 by bolts, and the main beam 7 is also formed with a No. 2-shaped groove 73 near the connection with the standing leg 2. In this embodiment, by setting the folded edge 72, the end of the main beam 7 can be extended to the outside of the standing leg 2, thereby improving the connection reliability between the two standing legs 2 and the main beam 7, and the structure is simple.

[0036] Among them, the first adjustment groove 21 is bolted tightly with the first locking hole 31, the second locking hole 22 is bolted tightly with the second adjustment groove 32 and the long gasket 6, and the long gasket 6 is fitted on the inner side of the telescopic plate 3 after being locked. In this embodiment, four groups of bolts and the long gasket 6 are used on one side, the structure is simple, and the locking reliability after height adjustment can be effectively guaranteed, and no displacement will occur after locking.

[0037] Among them, the base 1 is welded and fixed with a metal plate fixed to the secondary crossbeam 8 by bolts, and a pedal 9 is installed on the secondary crossbeam 8. In this embodiment, the cross-section of the secondary crossbeam 8 is a "U" shape, which increases the structural strength of the secondary crossbeam 8, and the pedal 9 will be more stable during use.

[0038] It can be understood that first, four groups of simple adjustment parts are set at different positions on the standing legs 2 and the telescopic plates 3, and then cooperate with the sealing plate 5 to control the cost while ensuring the reliability of the adjustment structure. Secondly, the cushion block 13 is set to cooperate with the card strip 101, which can not only improve the structural strength of the base 1, but also provide a reliable connection for the sheath 10, improve the compactness and stability, and finally, the shaping ribs are processed at multiple positions of the frame to improve the supporting strength without increasing the weight.

[0039] A specific application of this embodiment is as follows: pads 13 are welded at both ends of the bottom of the base 1, and a connecting plate for fixing the secondary crossbeam 8 is also welded at the bottom of the base 1. The standing leg 2 is vertically welded to the base 1, and the countersunk grooves 71 and folded edges 72 at both ends of the main crossbeam 7 are clamped on the rear sides of the two standing legs 2 and then fixed by bolts. The secondary crossbeam 8 is fixed between the two bases 1 by bolts, and the pedal 9 is installed on the secondary crossbeam 8. The sealing plate 5 is welded at the upper end of the open side of the standing leg 2, and the telescopic plate 3 is welded and fixed to the mounting seat 4. The telescopic plate 3 is inserted into the standing leg 2 from top to bottom, and the heights of the two ends are adjusted to be consistent through the scale bar 33. The bolts pass through the first adjustment groove 21 and the first lock hole 31 and are fixed, and the bolts pass through the second lock hole 22 and the second adjustment groove 32 and the long gasket 6 and are fixed.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stable sewing machine frame, comprising a base (1) and a standing leg (2) vertically fixed to the base (1), characterized in that: A vertically sliding telescopic plate (3) is provided on the inner side of the standing leg (2); a symmetrical first adjustment groove (21) is provided on the narrow side of the standing leg (2); a symmetrical second lock hole (22) is provided on the wide side; a first lock hole (31) corresponding to the first adjustment groove (21) is provided on the narrow side of the telescopic plate (3); a second adjustment groove (32) corresponding to the second lock hole (22) is provided on the wide side; a scale bar (33) is provided on the outer side of the telescopic plate (3); and a scale bar (33) corresponding to the second lock hole (22) and the second adjustment groove is provided on the inner side of the telescopic plate (3). (32) is matched with a long gasket (6), the bottom of the base (1) is welded with a symmetrical pad (13), the two ends of the base (1) are sleeved with a sheath (10), the inner lower end of the sheath (10) is provided with a clamping strip (101) corresponding to the pad (13), and also includes a main crossbeam (7) arranged between the two standing legs (2), the two ends of the main crossbeam (7) are formed with symmetrical folded edges (72), the cross section of the secondary crossbeam (8) is "U" shaped, and all threaded connections on the sewing machine frame are provided with hexagonal rivet nuts (100).

2. A stable sewing machine frame according to claim 1, characterized in that: A sealing plate (5) is welded to the upper end of the opening side of the standing leg (2), a mounting seat (4) is welded to the top of the telescopic plate (3), and the telescopic plate (3) is inserted into the inner side of the lower side of the mounting seat (4) and fixed by welding.

3. A stable sewing machine frame according to claim 1, characterized in that: The protective sleeve (10) is a plastic component and has a support foot connected to the bottom. The support foot passes through the protective sleeve (10) and is fixed to the cushion block (13).

4. A stable sewing machine frame according to claim 1, characterized in that: A reinforcing rib (11) is integrally formed at the upper end of the base foot (1), and a No. 1-shaped groove (12) is formed on the side surface of the base foot (1) and is located directly below the standing leg (2).

5. A stable sewing machine frame according to claim 1, characterized in that: Both ends of the main cross beam (7) are provided with recessed grooves (71), the recessed groove (71) is fitted on one end of the standing leg (2), and the folded edge (72) is fitted on one side of the standing leg (2), the main cross beam (7) is fixed to the standing leg (2) by bolts, and the main cross beam (7) is also formed with a No. 2-shaped groove (73) near the connection with the standing leg (2).

6. A stable sewing machine frame according to claim 1, characterized in that: The first adjustment groove (21) is bolt-fitted with the first locking hole (31), and the second locking hole (22) is bolt-fitted with the second adjustment groove (32) and the long gasket (6), and the long gasket (6) is locked and fits against the inner side of the telescopic plate (3).

7. A stable sewing machine frame according to claim 1, characterized in that: The base (1) is welded with a metal plate fixed to the secondary crossbeam (8) by bolts, and a pedal (9) is mounted on the secondary crossbeam (8).

8. A stable sewing machine frame according to claim 7, characterized in that: The two sides of the "U" shape in the secondary crossbeam (8) face downwards.

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