Limiting presser foot device of memory rubber band

Abstract

The utility model discloses a memory rubber band limit presser foot device which structurally comprises a main body, a limit hole, a supporting groove, a limit frame, a feeding port, a groove hole and an auxiliary structure, the auxiliary structure is arranged on the inner side of the limit frame, and after a spring arranged on the inner side of the auxiliary structure is matched with a pull rod, the mechanical effect is generated, and the memory rubber band can be stably fixed. And the limiting plate can be well driven to achieve the stretching and limiting effects, so that the situation that a screw needs to be rotated to tediously control the tightness state of the rubber band is avoided, the rapid limiting effect is achieved, and then the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a position-limiting presser foot device of a memory rubber band, belonging to the field of position-limiting presser foot devices. Background Art

[0002] The scientific name of rubber band is latex rubber ring and latex tape. It is made of latex by dipping method and has the characteristics of large elongation, good resilience, low price and easy use. Its manufacturing process includes dipping, vulcanization, demolding, cutting rings (strips) and other processes. It is mainly used for bundling items, and when sewing clothes, it is necessary to use a limit presser foot device to assist in limiting the memory rubber band.

[0003] A Chinese patent discloses a lace elastic limit presser foot (publication number: CN202968972U), which includes a press foot body, wherein the press foot body is provided with a feed port for facilitating the feeding of elastic and a discharge port for discharging elastic, wherein the feed port is inclined on the press foot body, a guide device is provided on the press foot body of the feed port, and a fixing device is provided on the press foot body of the discharge port for facilitating the fixing of the press foot body.

[0004] When the conventional limit presser foot performs the limit work on the rubber band, the staff rotates the screw to control the tightness of the rubber band. In this process, it is easy to be too loose or too tight. The adjustment of the fixing effect of the rubber band is cumbersome and takes a lot of time, thereby reducing work efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a limit presser foot device for a memory rubber band, so as to solve the problem that when the limit presser foot in the prior art usually performs the limit work on the rubber band, the staff rotates a screw to control the tightness of the rubber band. During this process, the rubber band is easily too loose or too tight, and the adjustment of the fixing effect of the rubber band is cumbersome and takes a lot of time, thereby reducing the work efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a limit presser foot device for a memory rubber band, comprising a main body, a limit hole, a supporting groove, a limit frame, a feed port, a slot hole and an auxiliary structure, a limit hole is opened in the middle part of the main body, a support groove is arranged at the upper left end of the main body, the right end of the inner side of the main body is fixed as a whole with the limit frame, a feed port is opened at the upper right end of the limit frame, a slot hole is opened at the right end of the main body, and the lower right end of the limit frame is connected with the auxiliary structure; the auxiliary structure comprises a spring, a pull rod, a handle, a limit plate, a limit block and an anti-collision block, the inner side of the spring is fixed with the pull rod, the right end of the pull rod is fixed as a whole with the handle, the left end of the pull rod is fixed with the limit plate, the top of the limit plate is provided with a limit block, the inner top of the limit frame is fixed with the anti-collision block, the bottom of the spring is fixed as a whole with the limit frame, and the lower right end of the limit frame is connected with the pull rod through.

[0007] Furthermore, the interior of the limiting frame is a hollow structure, and an opening is provided at the lower left end of the limiting frame, and corresponds to the feed opening provided at the upper right end of the limiting frame.

[0008] Furthermore, the limiting plate is in a "U" shape, and the left and right ends of the inner wall of the limiting plate are arc-shaped structures, and the inner wall of the limiting plate is sprayed with a smooth coating.

[0009] Furthermore, there are four limit blocks in total, and the limit blocks are equidistantly distributed at the four corners of the top of the limit plate.

[0010] Furthermore, the anti-collision block is in the shape of an elongated strip, and the area where the anti-collision block is arranged is larger than the area where the limiting plate is arranged.

[0011] Advantages: The utility model is a memory rubber band limit presser foot device, by arranging an auxiliary structure on the inner side of the limit frame, and the spring arranged on the inner side of the auxiliary structure cooperates with the pull rod, the mechanical effect produced can well drive the limit plate to stretch and limit the effect, thereby avoiding the need to rotate the screw to control the cumbersome tightness of the rubber band, achieving the effect of rapid limiting, and further improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the main view of the local structure of the limiting frame of the utility model;

[0015] Figure 3 It is a schematic diagram of the limit plate structure of the utility model.

[0016] In the figure: main body -1, limiting hole -2, supporting slot -3, limiting frame -4, feed port -5, slot hole -6, auxiliary structure -7, spring -71, pull rod -72, handle -73, limiting plate -74, limiting block -75, anti-collision block -76. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] See also Figure 1The utility model provides a limited presser foot device for memory rubber band through improvement, including a main body 1, a limited hole 2, a supporting groove 3, a limited frame 4, a feed port 5, a slot hole 6 and an auxiliary structure 7. The limited hole 2 is opened in the middle of the main body 1, and the supporting groove 3 is arranged at the upper left end of the main body 1. The right end of the inner side of the main body 1 is fixed with the limited frame 4 as a whole. The interior of the limited frame 4 is a cavity structure. The lower left end of the limited frame 4 is provided with an opening, and it corresponds to the feed port 5 opened at the upper right end of the limited frame 4. The upper right end of the limited frame 4 is provided with a feed port 5, the right end of the main body 1 is provided with a slot hole 6, and the lower right end of the limited frame 4 is connected with the auxiliary structure 7. The limited slot opened at the rear end connection of the limited hole 2 is convenient for the needles of the knitting machine to enter.

[0019] See also Figure 2 and Figure 3 The utility model provides a memory rubber limit presser foot device through improvement. The auxiliary structure 7 includes a spring 71, a pull rod 72, a handle 73, a limit plate 74, a limit block 75 and an anti-collision block 76. The inner side of the spring 71 is fixed to the pull rod 72, the right end of the pull rod 72 is fixed to the handle 73 as a whole, and the left end of the pull rod 72 is fixed to the limit plate 74. The limit plate 74 is in a "U" shape, and the left and right ends of the inner wall of the limit plate 74 are arc structures. At the same time, the inner wall of the limit plate 74 is sprayed with Smooth coating, a limiting block 75 is set at the top of the limiting plate 74, and there are four limiting blocks 75 in total, and the limiting blocks 75 are equidistantly distributed at the four corners of the top of the limiting plate 74, the inner top of the limiting frame 4 is fixed with the anti-collision block 76, the anti-collision block 76 is in the shape of a long strip, and the area of ​​the anti-collision block 76 is larger than the area of ​​the limiting plate 74, the bottom of the spring 71 is fixed to the limiting frame 4 as a whole, and the lower right end of the limiting frame 4 is connected with the pull rod 72, and the setting of the limiting plate 74 provides a quick limiting effect.

[0020] The working process is as follows:

[0021] 1. The user can first pull the handle 73 outward to compress the spring 71 inside the limit frame 4, and the pull rod 72 will also move outward. At this time, the user can put the rubber band into the feed port 5 opened at the upper right corner of the main body 1, and then pull it out from the lower left end of the limit frame 4 after it is in a straight state. After pulling it out, the user can let go to reset the spring 71, and the limit block 75 will cooperate with the anti-collision block 76. Because the limit plate 74 is in a "U" shape, the concave structure set therein can achieve the effect of rapid limit fixing without the need for the staff to make multiple adjustments;

[0022] 2. Then the staff can place the main body 1 at the pin of the knitting machine, align the support groove 3 and the position of the limiting hole 2 with the pin of the knitting machine horizontally, and then the user can push the main body toward the knitting machine, so that the support groove 3 and the knitting machine are embedded and fixed, and the knitting needle will also be in the middle of the limiting hole 2, so that the clothes can be sewn.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A memory rubber limit presser foot device, characterized in that: The invention comprises a main body (1), a limiting hole (2), a supporting groove (3), a limiting frame (4), a feed port (5), a slot hole (6) and an auxiliary structure (7); the main body (1) has a limiting hole (2) in the middle, the main body (1) has a supporting groove (3) at the upper left end, the right end of the inner side of the main body (1) is fixed to the limiting frame (4) as a whole, the upper right end of the limiting frame (4) has a feed port (5), the right end of the main body (1) has a slot hole (6), and the lower right end of the limiting frame (4) is connected to the auxiliary structure (7); The auxiliary structure (7) comprises a spring (71), a pull rod (72), a handle (73), a limit plate (74), a limit block (75) and an anti-collision block (76); the inner side of the spring (71) is fixed to the pull rod (72); the right end of the pull rod (72) is fixed to the handle (73) as a whole; the left end of the pull rod (72) is fixed to the limit plate (74); a limit block (75) is arranged on the top of the limit plate (74); the inner top of the limit frame (4) is fixed to the anti-collision block (76); the bottom of the spring (71) is fixed to the limit frame (4) as a whole; and the lower right end of the limit frame (4) is connected to the pull rod (72) through.

2. The memory elastic limit presser foot device according to claim 1, characterized in that: The interior of the limiting frame (4) is a hollow structure, and an opening is provided at the lower left end of the limiting frame (4), and corresponds to a feed port (5) provided at the upper right end of the limiting frame (4).

3. The memory rubber limit presser foot device according to claim 1, characterized in that: The limiting plate (74) is in a "U" shape, and the left and right ends of the inner side wall of the limiting plate (74) are arc-shaped structures. At the same time, the inner side wall of the limiting plate (74) is sprayed with a smooth coating.

4. The memory rubber limit presser foot device according to claim 1, characterized in that: A total of four limit blocks (75) are provided, and the limit blocks (75) are evenly distributed at the four corners of the top of the limit plate (74).

5. The memory elastic limit presser foot device according to claim 1, characterized in that: The anti-collision block (76) is in the shape of an elongated strip, and the area in which the anti-collision block (76) is arranged is larger than the area in which the limiting plate (74) is arranged.

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