Rack of sewing machine

Abstract

The utility model discloses a machine frame of a sewing machine, which comprises a bedplate, a supporting column arranged on the bedplate, a base arranged below the bedplate and connected with the supporting column, a supporting pipe arranged at the bottom of the base, trundles arranged in the supporting pipe, a positioning hole arranged on the base and corresponding to the supporting pipe, an annular groove surrounding the positioning hole and a first screw hole communicated with the annular groove. The base is provided with a positioning hole, the supporting pipe moves in the annular groove, the base is provided with a fixing rod which penetrates through the positioning hole, stretches into the supporting pipe and is connected with the trundle, the fixing rod is installed in the positioning hole, the fixing rod is provided with a transverse plate, the transverse plate is provided with a second screw hole corresponding to the first screw hole, and the transverse plate is provided with an adjusting screw rod which is in threaded connection with the first screw hole and the second screw hole. The adjustable sewing machine has the advantages that the sewing machine can be stably placed on the ground while the sewing machine can be conveniently moved, the problem that the sewing effect is affected due to the fact that the sewing machine easily shakes due to unstable placement is solved, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine field, more specifically, it relates to a sewing machine's frame. BACKGROUND

[0002] Generally a complete set of sewing machine mainly is composed of sewing machine main part, platen, frame and other accessories, the frame of sewing machine as the carrier of platen and sewing machine, is the indispensable part in sewing machine, in order to facilitate the movement of sewing machine in prior art, generally will install caster on the frame, in need to push the frame can move sewing machine to the required position.

[0003] But in order to facilitate the movement of sewing machine to install caster on the frame, make the frame through the caster and ground contact will lead to unstable placing of sewing machine, thereby making sewing machine easily sway in the use process and influence sewing effect, can not facilitate the movement of sewing machine while making sewing machine stable placing on the ground, avoid the problem that sewing machine is easily sway due to unstable placing and influence sewing effect, improve practicality. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model aims at providing a sewing machine's frame.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A sewing machine's frame, including the platen, the four corners of the platen are installed with support column, the platen below is equipped with the base connected with support column, the bottom of base is equipped with support pipe, the inside of support pipe is equipped with caster, the upper of base is opened with the positioning hole corresponding with support pipe, the annular groove encircling positioning hole and the first screw hole being communicated with annular groove, the support pipe is movable in annular groove, the base is equipped with the fixed rod passing through positioning hole and extending into support pipe and being connected with caster, and the fixed rod is installed in positioning hole, the fixed rod is installed with horizontal plate, the horizontal plate is opened with the second screw hole corresponding with first screw hole, the horizontal plate is equipped with the adjusting screw rod being screw connection with first screw hole and second screw hole, the output end of adjusting screw rod extends into annular groove and is in contact with support pipe, and the output end of adjusting screw rod is movable in annular groove.

[0007] Further set up, the bottom of support pipe is installed with support seat, the support seat is opened with the movable passageway corresponding with the inside space of support pipe, the caster is placed in movable passageway and is in contact with ground.

[0008] Further set up, the bottom of support seat is opened with movable slot, the movable slot is movably connected with ball, the movable slot is installed with the elastic block being in contact with ball, the elastic block is in compression state, the ball is clamped in movable slot, and the end of ball extends out of movable slot.

[0009] Further, the support column is provided with a fixed pier connected with the table plate, and the cross section of the fixed pier is trapezoidal.

[0010] By adopting the technical scheme, the sewing machine can be conveniently moved and stably placed on the ground, the problem that the sewing machine is prone to shaking and affecting the sewing effect due to unstable placement is avoided, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses an embodiment structure schematic diagram.

[0012] Figure 2 It is support pipe and trundle cooperation's structure schematic diagram.

[0013] Figure 3 It is fixed block and the structure schematic diagram of cooperation of resistance board.

[0014] In the drawing: table plate 1, support column 2, base 3, support pipe 4, trundle 5, support seat 7, movable channel 8, positioning hole 9, annular groove 10, first screw hole 11, fixed rod 12, cross plate 13, second screw hole 14, adjusting screw rod 15, movable slot 16, ball 17, elastic block 18, fixed pier 19. DETAILED DESCRIPTION

[0015] Refer to Figures 1 to 3 Further illustrate the utility model embodiment.

[0016] A sewing machine frame, including table plate 1, the four corners of table plate 1 are provided with support column 2, and the lower portion of table plate 1 is provided with base 3 connected with support column 2, the bottom of base 3 is provided with support pipe 4, support pipe 4 is provided with trundle 5, the bottom of support pipe 4 is provided with support seat 7, support seat 7 is provided with movable channel 8 corresponding to the internal space of support pipe 4, trundle 5 is arranged in movable channel 8 and is in contact with the ground, base 3 is provided with positioning hole 9 corresponding to support pipe 4, annular groove 10 surrounding positioning hole 9 and first screw hole 11 communicated with annular groove 10, annular groove 10 is arranged on the lower surface of base 3, and support pipe 4 is movable in annular groove 10, first screw hole 11 is arranged on the upper surface of base 3, base 3 is provided with fixed rod 12 penetrating positioning hole 9 and extending into support pipe 4 and connected with trundle 5, and fixed rod 12 is arranged in positioning hole 9, fixed rod 12 is provided with cross plate 13, cross plate 13 is provided with second screw hole 14 corresponding to first screw hole 11, cross plate 13 is provided with adjusting screw rod 15 threadedly connected with first screw hole 11 and second screw hole 14, the output end of adjusting screw rod 15 extends into annular groove 10 and is in contact with support pipe 4, and the output end of adjusting screw rod 15 is movable in annular groove 10,

[0017] In use, for example, Figure 1 andFigure 2 As shown, the support column 2 is installed between the base 3 and the table 1 to facilitate support of the table 1. The adjusting screw 15 abuts against the support tube 4 so that the support seat 7 abuts against the ground. Thus, the support tube 4 and the support seat 7 cooperate to support the base 3, making it easy for the machine frame to be placed stably on the ground for use, avoiding the problem of shaking when the sewing machine is used. At this time, the caster 5 also supports the base 3, and the caster 5 cannot move arbitrarily under the restriction of the support seat 7, which improves the stability of the machine frame.

[0018] When it is necessary to move the sewing machine, such as Figure 3 As shown, rotating the adjusting screw 15 moves it upward. Since the support seat 7 is in contact with the ground, it supports the base 3. As the adjusting screw 15 moves upward, the support tube 4 moves upward in the annular groove 10. At this time, the bottom of the support seat 7 is in contact with the ground but does not support the base 3. The caster 5 supports the base 3, thereby pushing the table 1 to make the caster 5 roll on the ground to achieve the purpose of moving the sewing machine.

[0019] After moving the sewing machine to the designated position, turn the adjusting screw 15 in the opposite direction to push the support tube 4 downward, so that the bottom of the support base 7 contacts the ground. At this time, the output end of the adjusting screw 15 contacts the support tube 4 again, so that the support base 7 and the support tube 4 cooperate to support the base 3 again, reducing the force on the casters 5, making it easier to place the sewing machine stably in the new position, and making it easier to use. Ultimately, it can make it easy to move the sewing machine while keeping it stable on the ground, avoiding the problem of the sewing machine shaking due to unstable placement, which affects the sewing effect, and improving practicality.

[0020] The bottom of the support base 7 has a movable groove 16, and a ball bearing 17 is movably connected in the movable groove 16. An elastic block 18 that abuts against the ball bearing 17 is installed in the movable groove 16. The elastic block 18 is in a compressed state, and the ball bearing 17 is engaged in the movable groove 16 to prevent the ball bearing 17 from falling out of the movable groove 16. The end of the ball bearing 17 extends out of the movable groove 16 to facilitate the ball bearing 17 sliding on the ground.

[0021] like Figure 3 As shown, when the support base 7 is in contact with the ground but does not support the base 3, the ball bearing 17 extends out of the movable groove 16 under the action of the compressed elastic block 18. When the caster 5 rolls, the support base 7 slides on the ground through the ball bearing 17, reducing the friction between the support base 7 and the ground, making it easier for the support base 7 to move smoothly with the caster 5. After reaching the new position, when the support base 7 contacts the support base 3 with the ground, as... Figure 2 As shown, the ball bearing 17 pressing the elastic block 18 into the movable groove 16 will not affect the stable placement of the support base 7 on the ground.

[0022] The fixed pier 19 is connected and fixed with the table plate 1, the cross section of the fixed pier 19 is trapezoidal, the supporting effect of the supporting column 2 and the table plate 1 is improved, the connecting strength of the supporting column 2 and the table plate 1 is strengthened, and the overall structural stability of the rack is improved.

[0023] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any common change and replacement within the technical scheme range of the present application should be included in the protection range of the present application.

Claims

1. A frame of a sewing machine comprising a table (1), characterized in that, The four corners of the table board (1) are provided with support columns (2), and the lower part of the table board (1) is provided with a base (3) connected with the support columns (2), the bottom of the base (3) is provided with a support pipe (4), the support pipe (4) is internally provided with a castor (5), the base (3) is provided with a positioning hole (9) corresponding to the support pipe (4), an annular groove (10) surrounding the positioning hole (9) and a first screw hole (11) communicating with the annular groove (10), the support pipe (4) is movably arranged in the annular groove (10), the base (3) is provided with a fixing rod (12) penetrating through the positioning hole (9) and extending into the support pipe (4) and connected with the castor (5), the fixing rod (12) is arranged in the positioning hole (9), the fixing rod (12) is provided with a transverse plate (13), the transverse plate (13) is provided with a second screw hole (14) corresponding to the first screw hole (11), the transverse plate (13) is provided with an adjusting screw rod (15) threadedly connected with the first screw hole (11) and the second screw hole (14), the output end of the adjusting screw rod (15) extends into the annular groove (10) and abuts against the support pipe (4), and the output end of the adjusting screw rod (15) is movably arranged in the annular groove (10).

2. A frame for a sewing machine according to claim 1, wherein The bottom of the support pipe (4) is provided with a support seat (7), the support seat (7) is provided with a movable channel (8) corresponding to the internal space of the support pipe (4), and the castor (5) is arranged in the movable channel (8) and abuts against the ground.

3. A sewing machine frame according to claim 2, wherein The bottom of the support seat (7) is provided with a movable groove (16), the movable groove (16) is movably connected with a ball (17), the movable groove (16) is provided with an elastic block (18) abutting against the ball (17), the elastic block (18) is in a compressed state, the ball (17) is clamped in the movable groove (16), and the end of the ball (17) extends out of the movable groove (16).

4. The frame for a sewing machine according to claim 1, wherein The support column (2) is provided with a fixed pier (19) connected with the table board (1), and the cross section of the fixed pier (19) is trapezoidal.

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