Bottom plate assembly of sewing machine and sewing machine

Abstract

The utility model discloses a sewing machine bottom plate assembly and a sewing machine, and relates to the field of sewing machines, the sewing machine bottom plate assembly comprises a mounting bottom plate, a conveying plate is arranged at a notch at one side of the mounting bottom plate, a mounting assembly is arranged between the conveying plate and the mounting bottom plate, and the mounting assembly comprises a connecting track, a guide plate and a locking assembly; the connecting rail is fixedly connected to the bottom of the mounting bottom plate, the guide plate is fixedly connected to the bottom of the conveying plate, the guide plate is in sliding clamping connection with the connecting rail, and the locking assembly is arranged at the bottom of the conveying plate and used for locking the guide plate in the connecting rail. According to the conveying device, the mounting bottom plate, the conveying plate and the mounting assembly are used in a matched mode, the mounting assembly comprises the connecting rail, the guide plate, the connecting plate, the locking rod, the button and the supporting spring, and under the action of the supporting spring, the connecting plate can drive the locking rod to be in a stable state to lock the guide plate in the connecting rail; therefore, the mounting stability of the conveying plate is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine field, especially a sewing machine's bottom plate subassembly and sewing machine. BACKGROUND

[0002] The bottom plate of the sewing machine is an important component of the machine, which is usually located at the bottom of the machine to support and connect other components. The bottom plate not only provides a stable foundation to ensure the stability of the sewing machine during operation, but also combines with the damping system to reduce the vibration caused by sewing action, prolong the service life of the machine and improve the operation accuracy.

[0003] One of the bottom plate usually slides and connects a conveying plate, the conveying plate is installed with a conveying mechanism, so that the conveying mechanism cooperates with the stitches to convey the sewn fabric. The existing conveying plate is usually limited by a elastic buckle during installation, so that the recessed slot on the conveying plate can be used to slide and remove the conveying plate. However, only using the elastic buckle to limit the conveying plate will cause the conveying plate to slide and fall when it is subjected to an exiting pushing force, thereby reducing the stability of the installation. SUMMARY

[0004] The utility model discloses a kind of bottom plate subassembly and sewing machine of sewing machine, to solve the problem raised in above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bottom plate subassembly of sewing machine, including installation bottom plate, the slot of installation bottom plate one side is provided with conveying plate;

[0006] The installation assembly is arranged between the conveying plate and the installation bottom plate, and the installation assembly comprises:

[0007] The connecting rail is fixedly connected to the bottom of the installation bottom plate.

[0008] The guide plate is fixedly connected to the bottom of the conveying plate, and the outer wall of the guide plate is slidably connected with the connecting rail.

[0009] The locking assembly is arranged at the bottom of the conveying plate, and the locking assembly is used to lock the guide plate inside the connecting rail.

[0010] Preferably, the locking assembly comprises:

[0011] The connecting plate is arranged at the bottom of the conveying plate.

[0012] The locking rod is fixedly connected to the top of the connecting plate, and the outer wall of the locking rod is slidably inserted into the connecting rail. The bottom of the guide plate is provided with a locking hole matched with the locking rod.

[0013] Preferably, the bottom of the conveying plate is provided with a fixing plate and an inner bolt, the fixing plate is fixedly connected with the conveying plate through the inner bolt, the top of the connecting plate is fixedly connected with a guide rod, and the outer wall of the guide rod is in slidingly sleeved connection with the fixing plate.

[0014] Preferably, the top of the conveying plate is provided with a mounting hole, the top of the inner cavity of the mounting hole is in slidingly sleeved connection with a button, and a connecting assembly is arranged between the button and the guide rod.

[0015] Preferably, the outer wall of the guide rod is in slidingly sleeved connection with a supporting spring, the supporting spring is located between the fixing plate and the button, and the top of the button is in the same plane with the top of the conveying plate.

[0016] Preferably, the connecting assembly comprises:

[0017] a clamping piece, which is fixedly connected to the bottom of the button;

[0018] a positioning plate, which is fixedly connected to the top of the guide rod, the side of the outer wall of the positioning plate is in slidingly clamped connection with the clamping piece, and the positioning plate is slidingly arranged in the inner portion of the mounting hole.

[0019] Another purpose of the utility model is to provide a sewing machine, the sewing machine includes the bottom plate subassembly of sewing machine above.

[0020] The utility model discloses technical effects and advantages:

[0021] The utility model discloses the cooperation use mode of installation bottom plate, conveying plate and installation assembly, and installation assembly includes connecting track, guide plate, connecting plate, locking rod, button and supporting spring, under the action of supporting spring, connecting plate can drive locking rod to be in stable state and lock guide plate in the inside of connecting track, to guarantee the stability of conveying plate installation. DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model.

[0023] Figure 2 It is the inside structure schematic diagram of installation bottom plate part side of the utility model.

[0024] Figure 3 It is the whole structure schematic diagram of button of the utility model.

[0025] In the figure: 1, mounting bottom plate; 2, conveying plate; 3, mounting assembly; 31, connecting rail; 32, guide plate; 33, connecting plate; 34, locking rod; 35, fixed plate; 36, inner bolt; 37, mounting hole; 38, button; 39, connecting assembly; 391, clamping piece; 392, positioning plate; 310, guide rod; 311, supporting spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model provides a kind of bottom plate assembly of sewing machine as Figures 1-3 As shown in a kind of bottom plate assembly of sewing machine, including installation bottom plate 1, the slot of one side of installation bottom plate 1 is provided with conveying plate 2, and installation assembly 3 is provided between conveying plate 2 and installation bottom plate 1, installation assembly 3 includes connecting rail 31, guide plate 32 and locking assembly, connecting rail 31 is fixedly connected to the bottom of installation bottom plate 1, guide plate 32 is fixedly connected to the bottom of conveying plate 2, the quantity of connecting rail 31 and guide plate 32 of conveying plate 2 and the bottom of installation bottom plate 1 is two, and connecting rail 31 and guide plate 32 of the bottom of conveying plate 2 and installation bottom plate 1 are symmetrically arranged, the outer wall of guide plate 32 is slidably connected with connecting rail 31, locking assembly is arranged at the bottom of conveying plate 2, locking assembly is used for locking guide plate 32 in the inside of connecting rail 31, locking assembly can guarantee the stability of guide plate 32 installed in the inside of connecting rail 31, to further guarantee the stability of conveying plate 2 installed on installation bottom plate 1.

[0028] Further, locking assembly includes connecting plate 33 and locking rod 34, connecting plate 33 is arranged at the bottom of conveying plate 2, locking rod 34 is fixedly connected to the top of connecting plate 33, the outer wall of locking rod 34 is slidably inserted into connecting rail 31, locking hole matched with locking rod 34 is formed in the bottom of guide plate 32, when the two locking rods 34 of connecting plate 33 top are connected with connecting rail 31 and guide plate 32, guide plate 32 in the inside of connecting rail 31 can be locked, to guarantee the stability of guide plate 32 in the inside of connecting rail 31.

[0029] Further, the bottom of the conveying plate 2 is provided with a fixing plate 35 and an inner bolt 36, the fixing plate 35 is fixedly connected with the conveying plate 2 through the inner bolt 36, the top of the connecting plate 33 is fixedly connected with a guide rod 310, the outer wall of the guide rod 310 is slidably sleeved with the fixing plate 35, the top of the conveying plate 2 is provided with a mounting hole 37, the top of the inner cavity of the mounting hole 37 is slidably sleeved with a button 38, the connecting assembly 39 is arranged between the button 38 and the guide rod 310, so that when the button 38 is pressed to descend, the button 38 can press the connecting plate 33 to descend through the guide rod 310, so that the connecting plate 33 drives the locking rod 34 to descend, and then the locking rod 34 is separated from the connecting track 31 and the guide plate 32, and then the mounting hole 37 on the conveying plate 2 can be used to pull the conveying plate 2 to slide, so that the conveying plate 2 drives the guide plate 32 to slide and separate from the connecting track 31, the outer wall of the guide rod 310 is slidably sleeved with a supporting spring 311, the supporting spring 311 can provide an upward elastic force to the connecting plate 33 through the button 38 and the guide rod 310, and the elastic force of the supporting spring 311 acting on the connecting plate 33 is sufficient to support the weight of the button 38, the guide rod 310 and the connecting plate 33, so as to ensure the stability of the clamping of the connecting plate 33 driving the locking rod 34 with the connecting track 31 and the guide plate 32, the supporting spring 311 is located between the fixing plate 35 and the button 38, the top of the button 38 is in the same plane as the top of the conveying plate 2, so as to ensure the flatness of the top of the conveying plate 2.

[0030] Especially, the connecting assembly 39 includes a clamping piece 391 and a positioning plate 392, the clamping piece 391 is fixedly connected to the bottom of the button 38, the positioning plate 392 is fixedly connected to the top of the guide rod 310, the side of the outer wall of the positioning plate 392 is slidably clamped with the clamping piece 391, and the positioning plate 392 is slidably arranged in the mounting hole 37, so that the positioning plate 392 can be stably clamped between the two clamping pieces 391 in the mounting hole 37, and the fixing plate 35 can be removed by disassembling the inner bolt 36, and then the button 38 and the supporting spring 311 can be directly taken out of the mounting hole 37, and the positioning plate 392 can be separated from the two clamping pieces 391 by sliding the button 38 relative to the positioning plate 392, so as to disassemble the button 38.

[0031] As shown in Figure 1 , the embodiment provides a sewing machine, which comprises the above-mentioned bottom plate assembly of the sewing machine.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bottom plate assembly of a sewing machine, comprising a mounting bottom plate (1), a slot on one side of the mounting bottom plate (1) is provided with a conveying plate (2); characterized in that A mounting assembly (3) is arranged between the conveying plate (2) and the mounting bottom plate (1), the mounting assembly (3) comprises: A connecting track (31) is fixedly connected to the bottom of the mounting bottom plate (1); A guide plate (32) is fixedly connected to the bottom of the conveying plate (2), the outer wall of the guide plate (32) is slidingly connected with the connecting track (31); A locking assembly is arranged at the bottom of the conveying plate (2), the locking assembly is used for locking the guide plate (32) inside the connecting track (31).

2. A bed assembly for a sewing machine as defined in claim 1, wherein The locking assembly comprises: A connecting plate (33) is arranged at the bottom of the conveying plate (2); A locking rod (34) is fixedly connected to the top of the connecting plate (33), the outer wall of the locking rod (34) is slidingly inserted into the connecting track (31), and the bottom of the guide plate (32) is provided with a locking hole matched with the locking rod (34).

3. The bed assembly of claim 2 wherein, The bottom of the conveying plate (2) is provided with a fixing plate (35) and an inner bolt (36), the fixing plate (35) is fixedly connected with the conveying plate (2) through the inner bolt (36), the top of the connecting plate (33) is fixedly connected with a guide rod (310), and the outer wall of the guide rod (310) is slidingly inserted into the fixing plate (35).

4. The bed assembly of claim 3 wherein, A mounting hole (37) is arranged at the top of the conveying plate (2), a button (38) is slidingly sleeved at the top of the inner cavity of the mounting hole (37), and a connecting assembly (39) is arranged between the button (38) and the guide rod (310).

5. The bed assembly of claim 4 wherein, The outer wall of the guide rod (310) is slidingly sleeved with a supporting spring (311), the supporting spring (311) is located between the fixing plate (35) and the button (38), and the top of the button (38) is in the same plane with the top of the conveying plate (2).

6. The bed assembly of claim 4 wherein, The connecting assembly (39) comprises: A clamping piece (391) is fixedly connected to the bottom of the button (38); A positioning plate (392) is fixedly connected to the top of the guide rod (310), the side of the outer wall of the positioning plate (392) is slidingly connected with the clamping piece (391), and the positioning plate (392) is slidingly arranged in the mounting hole (37).

7. A sewing machine characterized by comprising: The sewing machine comprises the bottom plate assembly of the sewing machine according to any one of claims 1-6.

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