Roller presser foot device capable of being adjusted in height

Abstract

The utility model discloses a height-adjustable roller presser foot device, and relates to the field of roller presser feet. The height-adjustable roller presser foot device comprises a roller presser foot main body, a connecting plate is arranged above the roller presser foot main body, an adjusting mechanism is arranged outside the roller presser foot main body, the adjusting mechanism comprises a control tooth block which is movably arranged outside the connecting plate, and the control tooth block is movably clamped outside the roller presser foot main body. The control tooth block is used for fixing the moved roller presser foot main body, the mounting rack is arranged outside the control tooth block, the mounting rack is movably inserted into the connecting plate, the inserting block is movably arranged outside the mounting rack, and the inserting block is movably arranged above the roller presser foot main body. According to the height-adjustable roller presser foot device, the control tooth block is limited through the mounting rack, and meanwhile the insertion block is driven to move, so that the use complexity of a fixing structure and an adjusting structure is reduced, and position fixation after mounting and height adjustment of the roller presser foot main body is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller presser foot, specifically to a roller presser foot device with height adjustment. BACKGROUND

[0002] The roller presser foot device is mainly used for assisting the sewing process, especially when sewing thick materials, the roller design can make the sewing process more smooth.

[0003] The existing roller presser foot device has the problem of inconvenient height adjustment operation.

[0004] The reason for this problem is that during the use of the roller presser foot device, the roller presser foot needs to be installed outside the mounting plate at the bottom of the sewing machine. If the height of the roller presser foot needs to be adjusted, it needs to be operated from the inside of the control panel above the sewing machine. The height adjustment distance is fixed, which makes it impossible to accurately adjust the height according to the thickness of the sewing material. Some sewing materials are pressed tightly during processing, and adjusting the height from the inside of the sewing machine is also complex. If the height adjustment structure is set above the roller presser foot, it will cause the structure above the roller presser foot to accumulate and hinder the normal installation and operation of the roller presser foot. Therefore, we propose a roller presser foot device with height adjustment. SUMMARY

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a roller presser foot device with height adjustment, which solves the problem of inconvenient height adjustment operation of the existing roller presser foot device.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model realizes the following technical scheme: a roller presser foot device with height adjustment, comprising a roller presser foot body, a connecting plate is arranged above the roller presser foot body, an adjustment mechanism is arranged outside the roller presser foot body, the adjustment mechanism comprises a control tooth block, which is movably arranged outside the connecting plate, the control tooth block is movably connected to the outside of the roller presser foot body, the control tooth block fixes the roller presser foot body after moving, a mounting rack is arranged outside the control tooth block, the mounting rack is movably inserted into the inside of the connecting plate, an insertion block is movably arranged outside the mounting rack, the insertion block is movably arranged above the roller presser foot body, and the insertion block is used for stable fixing of the side position of the roller presser foot body.

[0009] Preferably, a foot plate is installed inside the roller presser foot body, an installation plate is arranged above the roller presser foot body, and the connecting plate is movably inserted into the inside of the installation plate.

[0010] Preferably, the outer part of the control tooth block is fixedly connected with an auxiliary plate, the outer part of the auxiliary plate is fixedly connected with a control plate, and the mounting rack is fixedly connected to the outer part of the control plate.

[0011] Preferably, the inner part of the control plate is rotatably connected with a threaded rod, and the threaded rod is threadedly connected to the inner part of the connecting plate.

[0012] Preferably, the outer part of the mounting plate is fixedly connected with a fixed tooth plate, and the control tooth block is movably clamped to the outer part of the fixed tooth plate.

[0013] Preferably, the side of the connecting plate away from the control tooth block is fixedly connected with a protective shell, the outer part of the protective shell is fixedly connected with a reinforced outer frame, and the mounting rack is movably inserted into the inner part of the reinforced outer frame.

[0014] Preferably, the inner part of the protective shell is fixedly connected with a limiting block, the outer part of the limiting block is movably sleeved with a movable rack, and the insertion block is fixedly connected to the end of the movable rack.

[0015] Preferably, the inner part of the protective shell is fixedly connected with a limiting rod, the outer part of the limiting rod is movably sleeved with a gear, the gear is arranged on the outer part of the mounting rack, the outer part of the mounting rack is fixedly connected with a limiting plate, and the threaded rod is rotatably connected to the inner part of the limiting plate.

[0016] The utility model discloses a high low adjustable roller presser device, which has the following beneficial effects:

[0017] The roller presser device with height adjustment function adjusts the height of the roller presser main body, then rotates the threaded rod to drive the auxiliary plate and the control tooth block to move until the control tooth block moves to the position abutting against the outer part of the fixed tooth plate, the mounting rack drives the gear to rotate in the moving process, the gear drives the movable rack and the insertion block to move in the rotating process, until the control tooth block abuts against the outer part of the fixed tooth plate and the insertion block is movably inserted into the inner part of the mounting plate, the height of the roller presser main body is changed by the position of the mounting plate, then the threaded rod is rotated to fix the position of the mounting plate by the control tooth block and the insertion block, the mounting rack is used to limit the control tooth block and drive the insertion block to move, the complexity of the fixing structure and the adjusting structure is reduced, and the position of the roller presser main body after installation and height adjustment is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a whole structure schematic view of the present application.

[0020] Figure 2 It is an external explosion view of the roller presser main body of the present application.

[0021] Figure 3 It is an external schematic view of the roller presser main body of the present application.

[0022] Figure 4 It is an external schematic view of the threaded rod of the present application.

[0023] Figure 5 It is an internal explosion view of the protective shell of the present application.

[0024] In the figure: 1, roller presser main body; 101, foot plate; 102, mounting plate; 103, connecting plate; 2, control tooth block; 201, mounting rack; 202, movable rack; 203, plug-in block; 204, gear; 205, limiting rod; 206, limiting block; 207, protective shell; 208, reinforcing outer frame; 209, limiting plate; 210, threaded rod; 211, control plate; 212, auxiliary plate; 213, fixed tooth plate. DETAILED DESCRIPTION

[0025] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] The embodiment of the present application provides the roller presser device with high and low adjustment, and solves the problem that the existing roller presser device is inconvenient to operate in height adjustment.

[0027] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0028] The embodiment of the present application discloses a binding device for file arrangement.

[0029] According to the drawingsFigures 1-5 As shown, including the roller foot body 1, the upper part of the roller foot body 1 is provided with a connecting plate 103, the outer part of the roller foot body 1 is provided with an adjusting mechanism, the control tooth block 2 is movably arranged outside the connecting plate 103, the control tooth block 2 is movably connected outside the roller foot body 1, the control tooth block 2 fixes the roller foot body 1 after moving, the mounting rack 201 is arranged outside the control tooth block 2, the mounting rack 201 is movably inserted into the inside of the connecting plate 103, the insertion block 203 is movably arranged outside the mounting rack 201, the insertion block 203 is movably arranged above the roller foot body 1, and the insertion block 203 is used to stably fix the side position of the roller foot body 1.

[0030] The inside of the roller foot body 1 is provided with a foot plate 101, the upper part of the roller foot body 1 is provided with a mounting plate 102, and the connecting plate 103 is movably inserted into the inside of the mounting plate 102.

[0031] The outside of the control tooth block 2 is fixedly connected with an auxiliary plate 212, the outside of the auxiliary plate 212 is fixedly connected with a control plate 211, the mounting rack 201 is fixedly connected to the outside of the control plate 211, the inside of the control plate 211 is rotatably connected with a threaded rod 210, and the threaded rod 210 is threadedly connected to the inside of the connecting plate 103.

[0032] The outside of the mounting plate 102 is fixedly connected with a fixed tooth plate 213, and the control tooth block 2 is movably connected to the outside of the fixed tooth plate 213.

[0033] The side, away from the control tooth block 2, of the connecting plate 103 is fixedly connected with a protective shell 207, the outside of the protective shell 207 is fixedly connected with a reinforcing outer frame 208, the mounting rack 201 is movably inserted into the inside of the reinforcing outer frame 208, the inside of the protective shell 207 is fixedly connected with a limiting block 206, the outside of the limiting block 206 is movably sleeved with a movable rack 202, and the insertion block 203 is fixedly connected to the end of the movable rack 202.

[0034] The inside of the protective shell 207 is fixedly connected with a limiting rod 205, the outside of the limiting rod 205 is movably sleeved with a gear 204, the gear 204 is arranged outside the mounting rack 201, the outside of the mounting rack 201 is fixedly connected with a limiting plate 209, and the threaded rod 210 is rotatably connected to the inside of the limiting plate 209.

[0035] By the installation plate 102 on the roller presser body 1 above the external connection plate 103, according to the distance between the roller presser body 1 and the workbench surface of the sewing machine, at this time the installation plate 102 will slide on the outside of the connecting plate 103 when the height of the roller presser body 1 is adjusted, then rotate the threaded rod 210, the threaded rod 210 will rotate the thread inside the connecting plate 103 in rotation, one end of the threaded rod 210 rotates inside the control plate 211 in rotation, the other end rotates inside the limiting plate 209, the threaded rod 210 will drive the auxiliary plate 212 and the control tooth block 2 to move in rotation, until the control tooth block 2 moves to the position of the outside of the fixed tooth plate 213, at this time the control plate 211 will drive the installation rack 201 to slide inside the installation plate 102, the installation rack 201 will drive the gear 204 to rotate in movement, the gear 204 will drive the movable rack 202 to move in rotation, so that the movable rack 202 slides inside the protective shell 207, at this time the movable rack 202 will also drive the plug-in block 203 to move, until the control tooth block 2 and the fixed tooth plate 213 outside at the same time the plug-in block 203 is also inserted into the installation plate 102, by changing the position of the installation plate 102 to change the height of the roller presser body 1, then rotate the threaded rod 210 to drive the control tooth block 2 and the plug-in block 203 to fix the position of the installation plate 102, use the installation rack 201 to limit the control tooth block 2 and drive the plug-in block 203 to move, reduce the complexity of the use of the fixed structure and the adjusting structure, complete the fixation of the roller presser body 1, at the same time, the position of the roller presser body 1 after height adjustment can be fixed.

[0036] The installation rack 201 drives the gear 204 to rotate in movement, the gear 204 will drive the movable rack 202 to move in rotation, at this time the movable rack 202 will move in the opposite direction with the installation rack 201, so that the control tooth block 2 and the plug-in block 203 can fix the position of the two sides of the installation plate 102 respectively, and without increasing the complexity of the use of the fixed structure, at the same time, increase the stability of the use of the roller presser body 1.

[0037] In summary, compared with the prior art, it has the following beneficial effects:

[0038] By adjusting the height of the roller presser body 1, then rotating the threaded rod 210 drives the auxiliary plate 212 and the control tooth block 2 to move, until the control tooth block 2 is moved to the position of abutting the outside of the fixed tooth plate 213, the mounting rack 201 will drive the gear 204 to rotate in the movement, the gear 204 will drive the movable rack 202 and the plug-in block 203 to move in the rotation, until the control tooth block 2 abuts the outside of the fixed tooth plate 213 at the same time the plug-in block 203 is also inserted into the inside of the mounting plate 102, the height of the roller presser body 1 is changed by the position of the mounting plate 102, then rotating the threaded rod 210 can drive the control tooth block 2 and the plug-in block 203 to fix the position of the mounting plate 102, the control tooth block 2 is limited by the mounting rack 201 at the same time drives the plug-in block 203 to move, the complexity of the fixing structure and the adjusting structure is reduced, the position fixing after the roller presser body 1 is installed and the height is adjusted is completed.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are just to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-low roller presser device, comprising a roller presser body (1), the upper side of the roller presser body (1) is provided with a connecting plate (103), characterized in that, The outer part of the roller presser body (1) is provided with an adjusting mechanism, which comprises A control tooth block (2) is movably arranged outside the connecting plate (103), the control tooth block (2) is movably connected outside the roller presser body (1), and the control tooth block (2) is used for fixing the roller presser body (1) after movement. An installation rack (201) is arranged outside the control tooth block (2), and the installation rack (201) is movably inserted into the inside of the connecting plate (103). An insertion block (203) is movably arranged outside the installation rack (201), and the insertion block (203) is movably arranged above the roller presser body (1), and the insertion block (203) is used for stable fixing of the side position of the roller presser body (1).

2. The high / low tension roller foot device according to claim 1, wherein: The inside of the roller presser body (1) is provided with a foot plate (101), the upper part of the roller presser body (1) is provided with an installation plate (102), and the connecting plate (103) is movably inserted into the inside of the installation plate (102).

3. The high / low roller foot device according to claim 2, wherein: The outer part of the control tooth block (2) is fixedly connected with an auxiliary plate (212), the outer part of the auxiliary plate (212) is fixedly connected with a control plate (211), and the installation rack (201) is fixedly connected outside the control plate (211).

4. The high / low roller foot device according to claim 3, wherein: The inside of the control plate (211) is rotatably connected with a threaded rod (210), and the threaded rod (210) is screwedly connected to the inside of the connecting plate (103).

5. The high / low roller foot device according to claim 4, wherein: The outer part of the installation plate (102) is fixedly connected with a fixed tooth plate (213), and the control tooth block (2) is movably connected outside the fixed tooth plate (213).

6. The high / low roller foot device according to claim 5, wherein: The side, away from the control tooth block (2), of the connecting plate (103) is fixedly connected with a protective shell (207), the outer part of the protective shell (207) is fixedly connected with a reinforcing outer frame (208), and the installation rack (201) is movably inserted into the inside of the reinforcing outer frame (208).

7. The high / low roller foot device according to claim 6, wherein: The inside of the protective shell (207) is fixedly connected with a limiting block (206), the outer part of the limiting block (206) is movably sleeved with a movable rack (202), and the insertion block (203) is fixedly connected to the end of the movable rack (202).

8. The high / low roller foot device according to claim 7, wherein: The inside of the protective shell (207) is fixedly connected with a limiting rod (205), the outer part of the limiting rod (205) is movably sleeved with a gear (204), the gear (204) is arranged outside the installation rack (201), the outer part of the installation rack (201) is fixedly connected with a limiting plate (209), and the threaded rod (210) is rotatably connected to the inside of the limiting plate (209).

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