Sewing machine with height convenient to adjust

Abstract

The utility model discloses a sewing machine with height convenient to adjust, and belongs to the technical field of sewing machines, the sewing machine comprises a sewing machine body, the sewing machine body comprises a height adjusting mechanism, and the height adjusting mechanism comprises a fixed column, a movable column and a locking assembly; the pretreatment mechanism comprises a conveying belt, a negative pressure fan and a flattening assembly; a table; a base; wherein the fixed column and the movable column are in sliding connection, the fixed column and the movable column are fixed through the locking assembly, the fixed column is connected with the base, the movable column is connected with the workbench, an air outlet of the negative pressure fan is aligned with the conveying belt, and the leveling assembly is arranged at the position of the conveying belt. According to the sewing machine convenient to adjust the height, the function of adjusting the height of the sewing machine is achieved, users of different heights can conveniently use the sewing machine, and the application range is wide.

Description

Technical Field

[0001] The present application belongs to the technical field of sewing machines, and in particular relates to a sewing machine that is easy to adjust in height. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on fabric, so that one or more layers of fabric are interwoven or sewn together.

[0003] The existing Chinese patent publication number CN112831927B discloses a sewing machine with automatic cloth feeding, whose structure includes a base, a frame, a workbench, a placement rack, a crossbeam, a machine head, and a cloth feeding structure. The frame is vertically installed on the upper end of the base, the workbench is horizontally installed on the upper end of the frame, the lower end of the placement rack is embedded in the inner side of the workbench, the crossbeam is horizontally installed on the upper end of the workbench, the machine head is embedded in the front end of the inner side of the crossbeam, the cloth feeding structure is horizontally installed on the upper end of the workbench, and the cloth feeding structure includes an embedded plate, a guide roller, a drive frame, a cross plate, and a conveying structure.

[0004] The aforementioned invention features a conveying mechanism that secures the fabric before sewing, ensuring smooth sewing. It also features a pressing mechanism that flattens the fabric before sewing, enhancing the aesthetics of the sewing process. However, the sewing machine lacks height adjustment, resulting in a fixed height that is inconvenient for users of varying heights and limited in scope of application. Utility Model Content

[0005] The purpose of this application is to address the above-mentioned technical problems and provide a sewing machine that is easy to adjust in height. The sewing machine has the function of adjusting its own height, which is convenient for users of different heights and has a wide range of applications.

[0006] The present application provides a sewing machine that is easy to adjust in height, including a sewing machine body, wherein the sewing machine body includes:

[0007] A height adjustment mechanism comprising a fixed column, a movable column and a locking assembly;

[0008] Pretreatment mechanism, including conveyor belt, negative pressure fan and leveling component;

[0009] Workbench;

[0010] base;

[0011] Among them, the fixed column and the movable column are slidably connected, the fixed column and the movable column are fixed by a locking assembly, the fixed column is connected to the base, the movable column is connected to the workbench, the air outlet of the negative pressure fan is aligned with the conveyor belt, and the leveling assembly is placed on the conveyor belt.

[0012] In the present technical solution, a height adjustment mechanism and a pre-processing mechanism are provided in the sewing machine body, and a fixed column, a movable column and a locking assembly are provided in the height adjustment mechanism, and the fixed column and the movable column are slidably connected, fixed by the locking assembly, connected to the base, and connected to the workbench. When the user needs to adjust the height of the sewing machine body, the cooperation between the locking assembly and the movable column is released, and the movable column slides on the fixed column. After the position of the sewing machine body is adjusted to a suitable position, the locking assembly is controlled to lock the fixed column and the movable column, so that the movable column is fixed in the fixed position. It is fixed on a fixed column so that users of different heights can use the sewing machine body, which expands the application range of the sewing machine body. The pre-processing mechanism is equipped with a conveyor belt, a negative pressure fan and a smoothing component. The cloth is placed on the conveyor belt before processing, and the cloth is conveyed to the workbench for processing through the conveyor belt. At this time, the negative pressure fan is controlled to start. The negative pressure fan can effectively absorb dust and impurities on the surface of the cloth, and a smoothing component is provided. The cloth is smoothed by the smoothing component after dust removal. The cloth is dusted and smoothed before processing, which is convenient for users to perform subsequent processing operations on the cloth and improves the beauty of cloth sewing.

[0013] Furthermore, the height adjustment mechanism includes:

[0014] an auxiliary bracket connected to the fixing column;

[0015] a first motor, which is placed on the auxiliary bracket;

[0016] a gear connected to the first motor;

[0017] a rack, which meshes with the gear;

[0018] Wherein, the rack is placed on the movable column.

[0019] In the present technical solution, an auxiliary bracket and a first motor are provided on the height adjustment mechanism, and the auxiliary bracket is connected to the fixed column, so that the supporting strength of the sewing machine body can be effectively improved. A first motor with a gear is also provided at the auxiliary bracket, and a rack is provided at the movable column. The rack and the gear are meshed. When the user needs to adjust the height of the sewing machine body, the first motor is controlled to rotate, and the first motor drives the gear to rotate, so that the rack is displaced at the gear, that is, the movable column is displaced at the fixed column, and the sewing machine body can be automatically raised and lowered, thereby improving the automation performance of the sewing machine body.

[0020] Furthermore, the locking assembly includes:

[0021] a sleeve, which is placed at the fixed column;

[0022] The locking bolt cooperates with the sleeve.

[0023] In this technical solution, a sleeve and a locking bolt are provided in the locking assembly, and the sleeve is placed at the end of the fixed column. When the height of the sewing machine body needs to be adjusted, the locking bolt is loosened to facilitate the sliding of the movable column on the fixed column. After the adjustment, when the sewing machine body is fixed at the height, the locking bolt is tightened to fix the movable column and the fixed column, making it convenient for the user to sew the fabric.

[0024] Furthermore, the pre-processing mechanism includes:

[0025] a second motor including a lead screw;

[0026] The dust removal brush cooperates with the screw rod.

[0027] In this technical solution, a second motor with a screw and a dust removal brush are arranged in the pre-processing mechanism, and the dust removal brush cooperates with the screw. When the user processes the fabric through the sewing machine body, the second motor is controlled to rotate, and the second motor drives the screw to rotate, so that the dust removal brush moves on the screw. The dust removal brush can further remove impurities and dust on the fabric, thereby making the fabric tidier before sewing, which is convenient for the user to carry out subsequent sewing processing.

[0028] Furthermore, the leveling component includes:

[0029] Processing brackets, including infrared sensors;

[0030] Press plate, including motorized telescopic rod;

[0031] The conveyor belt is provided with a temperature control resistor. When the infrared sensor contacts the temperature control resistor, the electric telescopic rod is triggered to work. The movable end of the electric telescopic rod is connected to the pressure plate, and the fixed end is connected to the processing bracket.

[0032] In this technical solution, a processing bracket and a pressure plate with an electric telescopic rod are set in the flattening component, and a temperature-controlled resistor is set at the conveyor belt. After the user places the cloth on the conveyor belt and the cloth is dust-removed, the temperature-controlled resistor at the conveyor belt contacts the infrared sensor, triggering the electric telescopic rod to work. The electric telescopic rod drives the pressure plate to press down, thereby flattening the cloth, so that the user can perform subsequent sewing processing on the cloth.

[0033] Furthermore, the base is provided with a rubber pad.

[0034] In this technical solution, a rubber pad is provided at the base. The rubber pad has excellent wear resistance. The base of the sewing machine body is in contact with the ground for a long time and is easily worn. The rubber pad can delay the wear of the base, so that users can use the sewing machine body for a long time.

[0035] The beneficial effects of this application are:

[0036] 1. When the user needs to adjust the height of the sewing machine body, the user releases the cooperation between the locking assembly and the movable column, allowing the movable column to slide on the fixed column. After adjusting the position of the sewing machine body to a suitable position, the user controls the locking assembly to lock the fixed column and the movable column, so that the movable column is fixed on the fixed column, so that users of different heights can use the sewing machine body, thereby expanding the application range of the sewing machine body.

[0037] 2. The fabric is placed on the conveyor belt before processing. At the same time, the fabric is dusted by the negative pressure fan and dust removal brush, which is convenient for users to carry out subsequent processing operations on the fabric.

[0038] 3. After the fabric is dust-cleaned, the temperature-controlled resistor on the conveyor belt contacts the infrared sensor, triggering the electric telescopic rod to work. The electric telescopic rod drives the pressing plate downward, thereby flattening the fabric to facilitate subsequent sewing processing by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A schematic structural diagram of a sewing machine with easily adjustable height is provided for this application;

[0040] Figure 2 for Figure 1 Enlarged view of point A;

[0041] The reference numerals in the figure are: 100, sewing machine body; 110, workbench; 120, base; 121, rubber pad; 200, height adjustment mechanism; 210, fixed column; 220, movable column; 230, locking assembly; 231, sleeve; 232, locking bolt; 240, auxiliary bracket; 250, first motor; 260, gear; 270, rack; 300, pretreatment mechanism; 310, conveyor belt; 311, temperature control resistor; 320, negative pressure fan; 330, leveling assembly; 331, processing bracket; 332, pressing plate; 333, infrared sensor; 334, electric telescopic rod; 340, second motor; 341, screw; 350, dust removal brush. DETAILED DESCRIPTION

[0042] The following will be combined with the accompanying drawings in the embodiments of this application to clearly describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0043] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0044] The following provides a detailed description of the embodiments of the present application through specific embodiments and their application scenarios in conjunction with the accompanying drawings.

[0045] Example 1:

[0046] like Figure 1-2 As shown, the embodiment of the present application provides a sewing machine that is easy to adjust in height, including a sewing machine body 100, wherein the sewing machine body 100 includes:

[0047] The height adjustment mechanism 200 includes a fixed column 210, a movable column 220 and a locking assembly 230;

[0048] The pre-treatment mechanism 300 includes a conveyor belt 310, a negative pressure fan 320 and a leveling assembly 330;

[0049] Workbench 110;

[0050] Base 120;

[0051] Among them, the fixed column 210 and the movable column 220 are slidably connected, the fixed column 210 and the movable column 220 are fixed by a locking assembly 230, the fixed column 210 is connected to the base 120, the movable column 220 is connected to the workbench 110, the air outlet of the negative pressure fan 320 is aligned with the conveyor belt 310, and the leveling assembly 330 is placed on the conveyor belt 310.

[0052] By setting a height adjustment mechanism 200 and a pre-processing mechanism 300 in the sewing machine body 100, a fixed column 210, a movable column 220 and a locking assembly 230 are provided in the height adjustment mechanism 200, and the fixed column 210 and the movable column 220 are slidably connected, the fixed column 210 and the movable column 220 are fixed by the locking assembly 230, the fixed column 210 is connected to the base 120, and the movable column 220 is connected to the workbench 110. When the user needs to adjust the height of the sewing machine body 100, the cooperation between the locking assembly 230 and the movable column 220 is released, and the movable column 220 slides on the fixed column 210. After the position of the sewing machine body 100 is adjusted to a suitable position, the locking assembly is controlled to lock the fixed column 210 and the movable column 2 20, so that the movable column 220 is fixed on the fixed column 210, so that users of different heights can use the sewing machine body 100, thereby expanding the application range of the sewing machine body 100. The pre-processing mechanism 300 is provided with a conveyor belt 310, a negative pressure fan 320 and a leveling component 330. The cloth is placed on the conveyor belt 310 before processing, and the cloth is conveyed to the workbench 110 for processing through the conveyor belt 310. At this time, the negative pressure fan 320 is controlled to start. The negative pressure fan 320 can effectively absorb dust and impurities on the surface of the cloth, and a leveling component 330 is provided. The cloth is leveled by the leveling component 330 after dust removal. The cloth is dusted and leveled before processing, which is convenient for users to perform subsequent processing operations on the cloth and improves the beauty of cloth sewing.

[0053] Furthermore, the height adjustment mechanism 200 includes:

[0054] An auxiliary bracket 240 connected to the fixing column 210;

[0055] a first motor 250 , which is disposed on the auxiliary bracket 240 ;

[0056] a gear 260 connected to the first motor 250;

[0057] a rack 270 meshing with the gear 260;

[0058] The rack 270 is placed on the movable column 220 .

[0059] By arranging an auxiliary bracket 240 and a first motor 250 on the height adjustment mechanism 200, and connecting the auxiliary bracket 240 to the fixed column 210, the supporting strength of the sewing machine body 100 can be effectively improved. A first motor 250 with a gear 260 is also provided at the auxiliary bracket, and a rack 270 is provided at the movable column 220. The rack 270 and the gear 260 are engaged. When the user needs to adjust the height of the sewing machine body 100, the first motor 250 is controlled to rotate. The first motor 250 drives the gear 260 to rotate, so that the rack 270 is displaced at the gear 260, that is, the movable column 220 is displaced at the fixed column 210, and the sewing machine body 100 can be automatically raised and lowered, thereby improving the automation performance of the sewing machine body 100.

[0060] Furthermore, the locking assembly 230 includes:

[0061] a sleeve 231 , which is placed on the fixing column 210 ;

[0062] The locking bolt 232 cooperates with the sleeve 231 .

[0063] By arranging a sleeve 231 and a locking bolt 232 in the locking assembly 230, the sleeve 231 is placed at the end of the fixed column 210. When the height of the sewing machine body 100 needs to be adjusted, the locking bolt 232 is loosened to facilitate the sliding of the movable column 220 on the fixed column 210. After the adjustment, when the sewing machine body 100 is fixed at this height, the locking bolt 232 is tightened to fix the movable column 220 and the fixed column 210, making it convenient for the user to sew the fabric.

[0064] Example 2:

[0065] like Figure 1-2 As shown, the embodiment of the present application provides a sewing machine that is easy to adjust the height. In addition to the technical solutions of the above embodiments, it also has the following technical features. The pre-processing mechanism 300 includes:

[0066] The second motor 340 includes a screw rod 341;

[0067] The dust removal brush 350 cooperates with the screw rod 341 .

[0068] By arranging a second motor 340 with a screw rod 341 and a dust removal brush 350 in the pre-processing mechanism 300, and the dust removal brush 350 cooperates with the screw rod 341, when the user processes the fabric through the sewing machine body 100, the second motor 340 is controlled to rotate, and the second motor 340 drives the screw rod 341 to rotate, so that the dust removal brush 350 is displaced on the screw rod 341. The dust removal brush 350 can further remove impurities and dust on the fabric, thereby making the fabric neater before sewing, which is convenient for the user to perform subsequent sewing processing.

[0069] Furthermore, the leveling assembly 330 includes:

[0070] a processing bracket 331 including an infrared sensor 333;

[0071] a pressing plate 332 including an electrically operated telescopic rod 334;

[0072] Among them, the conveyor belt 310 is provided with a temperature control resistor 311. When the infrared sensor 333 contacts the temperature control resistor 311, the electric telescopic rod 334 is triggered to work. The movable end of the electric telescopic rod 334 is connected to the pressure plate 332, and the fixed end is connected to the processing bracket 331.

[0073] By setting a processing bracket 331 and a pressing plate 332 with an electric telescopic rod 334 in the leveling component 330, and setting a temperature-controlled resistor 311 at the conveyor belt 310, after the user places the cloth on the conveyor belt 310, the cloth is dust-removed, and the temperature-controlled resistor 311 at the conveyor belt 310 contacts the infrared sensor 333, triggering the electric telescopic rod 334 to work, and the electric telescopic rod 334 drives the pressing plate 332 to press down, thereby leveling the cloth, so that the user can perform subsequent sewing processing on the cloth.

[0074] Furthermore, the base 120 is provided with a rubber pad 121 .

[0075] By setting a rubber pad 121 on the base 120, the rubber pad 121 has excellent wear resistance. The base 120 of the sewing machine body 100 is in contact with the ground for a long time and is easily worn. The rubber pad 121 can delay the wear of the base 120, so that the user can use the sewing machine body 100 for a long time.

[0076] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0077] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A sewing machine that is easy to adjust in height, comprising a sewing machine body (100), characterized in that: The sewing machine body (100) comprises: A height adjustment mechanism (200) includes a fixed column (210), a movable column (220) and a locking assembly (230); A pre-processing mechanism (300) includes a conveyor belt (310), a negative pressure fan (320) and a leveling assembly (330); Workbench (110); Base (120); The fixed column (210) and the movable column (220) are slidably connected, the fixed column (210) and the movable column (220) are fixed by a locking assembly (230), the fixed column (210) and the base (120) are connected, the movable column (220) and the workbench (110) are connected, the air outlet of the negative pressure fan (320) is aligned with the conveyor belt (310), and the leveling assembly (330) is placed on the conveyor belt (310).

2. A sewing machine with easy height adjustment according to claim 1, characterized in that: The height adjustment mechanism (200) comprises: an auxiliary bracket (240) connected to the fixing column (210); a first motor (250) disposed on the auxiliary bracket (240); a gear (260) connected to the first motor (250); a rack (270) meshing with the gear (260); Wherein, the rack (270) is placed on the movable column (220).

3. A sewing machine with easy height adjustment according to claim 2, characterized in that: The locking assembly (230) comprises: a sleeve (231) disposed on the fixing post (210); The locking bolt (232) cooperates with the sleeve (231).

4. A sewing machine with easy height adjustment according to claim 3, characterized in that: The pre-processing mechanism (300) comprises: A second motor (340) includes a screw rod (341); The dust removal brush (350) cooperates with the screw rod (341).

5. A sewing machine with easy height adjustment according to claim 4, characterized in that: The leveling assembly (330) comprises: a processing support (331) including an infrared sensor (333); A pressing plate (332) including an electrically operated telescopic rod (334); The conveyor belt (310) is provided with a temperature-controlled resistor (311). When the infrared sensor (333) contacts the temperature-controlled resistor (311), the electric telescopic rod (334) is triggered to operate. The movable end of the electric telescopic rod (334) is connected to the pressing plate (332), and the fixed end is connected to the processing bracket (331).

6. A sewing machine with easy height adjustment according to claim 5, characterized in that: The base (120) is provided with a rubber pad (121).

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