CN108301110A - Meet the pressure socks and its weaving method of human pressure and pressure law demand - Google Patents

Abstract

The invention discloses a pressure stocking that meets the requirements of human body pressure and pressure distribution rules and a knitting method thereof. Adjusting coils are arranged at intervals between normal coils of the pressure stocking, and the normal coils cooperate with the adjusting coils to form an organ-like structure. When the body surface is not stretched or shrunk, the adjustment coil is extruded by the normal coil and suspended on the surface of the compression stocking, and the upper and lower normal coils are closely matched. In the gap, when adapting to the daily activities of the human body, changes in the muscles, bones, muscles, etc. will cause changes in the body surface size, and the compression stockings will automatically adjust the size of the sock body to meet the changing needs of the body surface during exercise, and thereby eliminate or reduce the difference in body size. Unreasonable pressure and pressure distribution caused by changes in muscles, bones, muscles, etc. in the active state.

Description

Compression stockings and knitting method thereof meeting the requirements of human body pressure and pressure distribution law

technical field

The invention belongs to the field of structure and knitting process design of pressure stockings, and in particular relates to a pressure stocking and a knitting method thereof that meet the requirements of human body pressure and pressure distribution rules.

Background technique

Compression stockings, also known as compression stockings, are special textiles that have been used for the prevention and treatment of peripheral vascular diseases for nearly a hundred years, but have not attracted widespread attention. In recent years, with the change of people's concept of life, its application field has become wider. The international and domestic demand for compression stockings is growing explosively. As an auxiliary means of preventing and treating diseases such as varicose veins, compression stockings are more and more widely accepted and recognized by people.

For compression stockings that can prevent and treat diseases, the pressure distribution should show a pressure distribution law that decreases from the far end of the heart to the proximal end of the heart, that is, the pressure value at the ankle is the largest, and the pressure value decreases along the leg. The result of this distribution is to promote the return of blood at the far end of the human body, thereby preventing and curing diseases.

At present, the pressure and pressure distribution of compression socks in my country are implemented according to the pharmaceutical industry standard YY/T0853-2011. As shown in Fig. 1, AD is a mid-tube sock, AF is a mid-tube sock, and AG is a stocking. The standard clearly stipulates the pressure distribution of different parts, as shown in Table 1 below:

The pressure distribution standards for the minimum circumference of the ankle (B), the insertion point of the gastrocnemius muscle (B1), the maximum circumference of the calf (C), and the lower end of the tibial joint (D) of the compression stockings are shown in the table above. Compression socks can be divided into multiple levels according to the size of the compression force. The level of compression force is determined by the pressure value applied to the ankle, as shown in Table 2 below:

Varicose veins mostly occur in the lower limbs. At present, various types of compression stockings have been designed according to the pressure distribution requirements, including those involving pressure and pressure distribution. For example, in the technical solution of patent CN201120338372.7, the pressure on the ankle of the compression stockings is the highest, and the order is from bottom to top. The decompression meets the pressure requirements of human blood return; patent CN201210372362.4 relates to a product that can produce a pressure gradient effect that gradually decreases from the ankle to the calf; patent CN200980127130.9 provides pressure that gradually decreases from the distal position to the proximal position; the patent CN201310572494.6 and patent CN201307237667.3 design pressure stability zone, pressure gradient zone, pressure difference zone and so on while depressurizing sequentially from bottom to top. In addition, it also includes various types of compression stockings that involve the shape of the compression stocking and the needs of the human body, as well as the design of the pressure area. However, the current types of compression stockings are limited to the needs of users in a static state, without discussing how to ensure reasonable pressure and pressure distribution of compression stockings in the daily activities of the human body. And currently in the field of compression stockings, the general method of product pressure control is: use a simulated cylindrical leg mold to test the pressure values of different parts in a static state to determine whether the pressure and pressure distribution of compression stockings meet industry standards. This method exists The problem is that:

1. As an auxiliary means for daily use, prevention and treatment of varicose veins and other diseases, compression stockings need to be worn for a long time to be effective. When people wear compression stockings, they will carry out normal daily activities. When the human body is in constant motion, the muscles, bones and muscles of the important parts of the human leg will show different states with the movement of the human body. The pressure and pressure distribution at rest are in line with the industry Standard products are in line with the needs of the human body, and the pressure and pressure distribution cannot be guaranteed to meet the needs of the human body during daily activities.

2. The state of human activity is different, and the changes in the muscles, bones, and muscles of important parts of the human leg are different, which will affect the pressure exerted by the compression socks on the human body and present different pressure values when they are at rest. The exercise state is automatically adjusted, so that the pressure and pressure distribution of the human body in different active states meet the needs of the human body.

3. The above conditions may cause the compression socks that meet the industry requirements in the static state test to not conform to the law of pressure distribution that decreases from the distal end of the heart to the proximal end of the heart during actual wearing. The result of this distribution is very harmful. Not only can it not promote the return of blood at the far end of the human body, but it will hinder the return of blood at the far end of the human body to the heart. .

Therefore, in view of the above problems, it is necessary to propose a new type of compression stockings to solve the problem of unreasonable pressure distribution of compression stockings during human activities, so that the compression stockings not only maintain the correct pressure and pressure distribution when the human body is still The correct pressure and pressure distribution are also maintained in the active state, which conforms to the law of pressure distribution that decreases from the far end of the heart to the proximal end of the heart, and has the effect of preventing and curing diseases.

Contents of the invention

In view of this, the present invention provides a pressure stocking and its knitting method that meet the requirements of human body pressure and pressure distribution rules, so as to solve the problem of unreasonable pressure distribution of pressure stockings during human activities, so that the pressure stockings are uniform under the static and active states of the human body. Maintaining correct pressure and pressure distribution can prevent and treat diseases.

According to the purpose of the present invention, a pressure stocking that meets the requirements of human body pressure and pressure distribution rules is proposed. The pressure of the pressure stocking gradually decreases from the ankle of the human body upward. The knitting loops of the compression stockings include normal loops, and the normal loops The compression stockings are formed by weaving from bottom to top with plain stitches, and the compression socks also include adjustment coils inserted at intervals between the plain stitches. The adjustment coils are formed by weaving flat stitches. Cohesion; when the body surface is not stretched or contracted, the adjustment coil is extruded as a whole and suspended on the surface of the compression stocking, and the normal coils are closely matched up and down. Coils are filled in the gap, and the normal coil cooperates with the adjustment coil to form an organ-like structure.

Preferably, the compression stockings include a normal pressure area and an adjusted pressure area, the adjusted pressure area includes an Achilles tendon adjustment area and a gastrocnemius adjustment area corresponding to the Achilles tendon and the gastrocnemius muscle, and the adjustment coil is formed on the Achilles tendon adjustment area At the area of conditioning with the gastrocnemius muscle.

Preferably, according to the different ranges of body surface changes caused by human movement in daily activities, the size of the pressure zone and the configuration of the coil are designed.

Preferably, the adjustment coil configuration scheme includes a horizontal configuration scheme and a longitudinal configuration scheme. The horizontal configuration scheme is: the weaving width of the adjustment coil is consistent with the width of the adjustment pressure area; the longitudinal configuration scheme is: the adjustment pressure area includes several groups A normal coil course and several groups of regulating coil courses are arranged alternately with the normal coil course group and the regulating coil course group.

Preferably, the gastrocnemius regulating area covers at least the rear, inner and outer sides of the gastrocnemius muscle, and the gastrocnemius regulating area is divided into an upper area, a middle area and a lower area according to the body surface changes caused by the gastrocnemius muscle during human movement.

Preferably, the Achilles tendon adjustment area and the normal course in the gastrocnemius adjustment area are braided at 360 degrees, the width of the adjustment course is consistent with the width of the corresponding area, and the normal course and the adjustment course are integrally formed.

Preferably, the middle area is equally divided into two areas, and the gastrocnemius adjustment area is equally divided into four areas in conjunction with the upper area and the lower area; the heel adjustment area is equally divided into upper and lower areas.

Preferably, the adjusting coil is made of single-strand or double-strand elastic yarn, and the adjusting coil is woven with a plain stitch; the compression stockings are made of elastic core-spun yarn as a whole, and are woven with a flat stitch liner.

The invention also discloses a method for knitting pressure stockings. The pressure stockings are woven and shaped by a circular weft hosiery machine. The pressure stockings are divided into normal pressure areas and adjustment pressure areas according to the changing pressure area of the body surface. The adjustment pressure area includes the Achilles tendon adjustment area. To adjust the area with the gastrocnemius muscle, the specific weaving steps are as follows:

S1: Knitting the normal pressure area. The normal pressure area is formed by the normal flat stitch pad tissue. The needles in the needle cylinder are all out of the needle, and the needle cylinder rotates one circle to complete the knitting of one or several normal stitches. The mode cycle completes the weaving of the normal pressure area;

S2: Braided Achilles tendon conditioning area:

S21: The Achilles tendon adjustment area is formed by the alternating distribution of normal stitch courses and adjustment stitch courses. When knitting the normal stitch courses in this area, all the knitting needles in the needle cylinder will come out, and the needle cylinder will rotate once to complete one or several normal stitches. The weaving of courses, in this way, the periodic cycle completes the weaving of a group of normal coil courses;

S22: When knitting the adjustment stitch course in this area, a number of knitting needles that are consistent with the position and width of the Achilles tendon adjustment area will go out, and the rest of the knitting needles will not knit, and the needle cylinder will complete one or The knitting of several adjusting stitch courses, and then the needle cylinder reversely rotates, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of one or several adjusting stitch courses, and in this way, a group of adjusting stitches is completed in a repeated cycle For knitting of courses, adjust the knitting width of the coil courses to be consistent with the length of the arc path;

S23: Then follow steps S21 and S22 to weave sequentially at intervals to form an Achilles tendon adjustment area with an organ-like structure, wherein the length of the arc path increases or decreases according to different positions in the Achilles tendon adjustment area;

S3: After completing the knitting of the Achilles tendon adjustment area, continue knitting the normal pressure area in the manner of step S1;

S4: Braided gastrocnemius toning area:

S41: The gastrocnemius adjustment area is formed by the alternating distribution of normal stitch courses and adjustment stitch courses. When knitting the normal stitch courses in this area, all the knitting needles in the needle cylinder will come out, and the needle cylinder will rotate once to complete one or several normal stitch courses. In this way, the weaving of a group of normal coil courses is completed in a periodic cycle;

S42: When knitting the adjustment loop course in this area, a number of knitting needles that are consistent with the width of the gastrocnemius muscle adjustment area go out, and the rest of the knitting needles do not go out, and the needle cylinder completes one or more knitting along the arc path formed by the number of knitting needles. Adjust the knitting of the stitch course, and then the needle cylinder rotates in the opposite direction, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of one or several adjustment stitch courses, and in this way repeatedly completes a group of adjustment stitch courses. For knitting, adjust the knitting width of the course to be consistent with the length of the arc path;

S43: Then weave at intervals in sequence according to steps S41 and S42 to form a gastrocnemius adjustment area with an organ-like structure, wherein the length of the arc path increases or decreases according to different positions in the gastrocnemius adjustment area;

S5: After finishing the knitting of the gastrocnemius adjustment area, continue knitting the normal pressure area in the manner of step S1, and finally knit to form compression socks of various heights.

Compared with the prior art, the advantages of the compression stockings and its knitting method that meet the requirements of human body pressure and pressure distribution laws disclosed by the present invention are:

By setting the adjusting coil courses at intervals between the normal coil courses of the compression socks, the normal coil courses cooperate with the adjusting coil courses to form an organ-like structure. When the body surface is not stretched or contracted, the adjustment coil course is extruded by the normal coil course to the surface of the compression stocking, and the upper and lower normal coil courses are closely matched. When the body surface is stretched, the normal coil course is forced upward or downward to form a gap , the adjustment coil row is filled in the gap, according to the daily activities of the human body, the changes in the muscles, bones, muscles, etc. will cause changes in the body surface size, and the size of the sock body will be automatically adjusted to meet the changing needs of the body surface during exercise, and then eliminate Or reduce the unreasonable problem of pressure and pressure distribution caused by changes in muscles, bones, muscles, etc. under different activity states of the human body.

In addition, according to the pressure changes caused by the characteristics of daily activities when the human body wears compression stockings and the human body's demand for pressure and pressure distribution of compression stockings, the present invention designs the compression stocking structure in partitions, so that the compression stockings can automatically adjust the pressure according to the daily exercise state value, so that when the human body wears compression stockings daily, the pressure and pressure distribution exerted on the human body by the compression stockings are in line with hemodynamic principles under the static state of the human body, different activity states of the human body, and different movement levels of the human body. The distribution law of the pressure decreasing toward the proximal end of the heart, the pressure value and the pressure distribution law are in line with the needs of the human body, and effectively prevent and treat diseases.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of compression stockings and compression stocking pressure test sites.

Figures 2a and 2b are the distribution diagrams of the pressure adjustment areas of the compression stockings in the present technology.

3a and 3b are schematic diagrams of the lower leg structure.

Fig. 4 is a schematic diagram of the coil structure in the normal state and the stretched state in the pressure adjustment area of the compression stocking.

Figure 5 is a map of the distribution of gastrocnemius regulation areas.

Figure 6 is a schematic diagram of braiding in the Achilles tendon adjustment area.

Fig. 7 is a schematic diagram of braiding of the upper region and the lower region of the gastrocnemius adjustment region.

Fig. 8 is a schematic diagram of braiding in the middle region of the gastrocnemius adjustment region.

The names of the corresponding parts represented by numbers or letters in the figure:

1. Sock foot 2. Sock tube 11. Normal coil 12. Adjustment coil A. Achilles tendon adjustment area A1. Gastrocnemius muscle adjustment area

Detailed ways

As mentioned in the background technology section, traditional compression stockings are limited to the needs of the user in a static state, and cannot realize the problem of reasonable pressure and pressure distribution in the state of daily activities of the human body.

It is against this background that the present invention solves the problem of unreasonable pressure distribution of pressure stockings caused by daily activities of the human body in view of the structural characteristics of the human body, so that the pressure stockings not only maintain the correct pressure and pressure distribution in the static state of the human body, but also The correct pressure and pressure distribution are also maintained under different activity states, so that when the human body wears compression stockings, the correct pressure and pressure distribution of the compression stockings can be guaranteed in any daily life state.

The technical solutions of the present invention will be clearly and completely described below through specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 2a and 2b, the present invention proposes a compression stocking that meets the requirements of human body pressure and pressure distribution rules, including a sock foot 1 and a sock tube 2. The law of pressure distribution that decreases from the distal end to the proximal end of the heart. The knitting loops of the compression stockings include normal loops, wherein the normal loops 11 are formed by weaving from the bottom to the top of the flat stitch liner tissue, and the compression stockings also include adjustment loops 12 inserted at intervals between the flat stitch liner tissues, and the adjustment loops are woven from the flat stitch tissue Formed, the adjustment coil 12 is connected up and down with the normal coil 11. When the body surface is not stretched or contracted, the adjustment coil is extruded and suspended on the surface of the compression stocking. The normal coils are closely matched up and down. When the body surface is stretched, the normal coil is stretched. The force expands upwards or downwards to form a gap, and the adjustment coil fills the gap, and the normal coil and the adjustment coil cooperate to form an organ-like structure.

Since varicose veins mostly occur in the lower limbs, the invention relates to tube socks used for preventing and curing varicose veins of the lower legs. According to the stretching and deformation of the bones and muscles of the human leg during daily activities, and the pressure changes caused by these deformations, the compression socks are designed in partitioned structures.

The change of the pressure and pressure law on the human body caused by the compression stockings on the human calf due to daily activities is mainly caused by the stretching of the muscles, bones and muscles shown in Figure 2a and 2b. The gastrocnemius and soleus muscles on the back of the legs , Achilles tendon, outer peroneus longus, digitorum extensor, peroneus brevis, inner tibialis anterior, hallucis longus anterior. When a measured human body wears qualified compression stockings, the pressure conditions of standing still and different activity states are shown in Table 3 below. The framed and underlined parts in the figure indicate two unreasonable pressure distributions respectively.

As shown in the above table, when the human body is at rest, pressure socks with qualified pressure and pressure distribution have three problems in daily activities:

1) C is on the three sides of the measurement: pressure increases on the inner, outer and rear sides, making the pressure at C significantly greater than that at B1 (the data in the outer frame in Table 3), and the pressure distribution is no longer reasonable. It is mainly caused by the expansion and contraction of the muscles in the daily activities of the human body. Since the gastrocnemius is a superficial muscle, the expansion and contraction of the inner part of the gastrocnemius has the greatest impact on the pressure value.

2) When measured on the rear midline of the human calf, the daily activities of the human body cause the pressure value at the Achilles tendon B to increase sharply, which is caused by the expansion and contraction of the Achilles tendon during exercise. The increase of the pressure value at B1 makes the pressure proportional relationship between B and B1 no longer correct. As shown in Table 1, the pressure at B1 should be 70-100% of the pressure at B; but the human body movement makes the pressure at B As shown in Table 3, the pressure at B1 drops below 60% relative to that at B, and the pressure distribution law is no longer reasonable.

3) When measured on the posterior midline of the human calf, the daily activities of the human body cause the pressure value at the Achilles tendon part B to increase sharply (the underlined data in Table 3), which is nearly doubled when compared with the static state. Although the relevant standards stipulate that the pressure value of the foot of the compression stocking is not measured and controlled, but in actual application, the pressure value of the foot of the compression stocking is not lower than the pressure value at B, so as to ensure the return of blood in the foot. However, the daily activities of the human body cause the pressure value at B to increase sharply, which will hinder the blood return of the foot.

Therefore, in order to avoid the above-mentioned problems, the present invention designs the compression stockings in zones. In the structure of ordinary compression stockings, the areas where the pressure values do not show a reasonable distribution during human activities are set as special areas, and the special areas are designed differently.

Specifically, the compression stockings are divided into a normal pressure area and an adjustable pressure area. The normal pressure area has the same structure and weaving method as the traditional compression stockings. The adjusted pressure area is an area with an additional adjustment coil, which is specifically set on the pressure stocking to correspond to the human body. The position of the active muscle stretches and changes. The adjustment pressure area in this embodiment includes the Achilles tendon adjustment area and the gastrocnemius adjustment area corresponding to the Achilles tendon and the gastrocnemius muscle, and the adjustment coil is formed at the Achilles tendon adjustment area and the gastrocnemius adjustment area. In other embodiments, adjustment pressure zones can also be set at other positions of the compression stockings to cope with changes in human body activities at different positions according to the needs of stretching changes in human body activities, and there is no specific limitation.

As shown in Figures 2a and 2b, A in the figure is the regulation area of the Achilles tendon, which corresponds to the Achilles tendon, and A1 is the regulation area of the gastrocnemius muscle, which corresponds to the gastrocnemius region of the human body. By adding adjustment coils in the adjustment areas A and A1, the normal coils and adjustment coils are spaced apart to form an organ-like coil combination structure, so that the size of the compression stockings can expand and contract with the expansion and contraction of the Achilles tendon and muscles. The increased adjustment coil row only adapts to the stretching change of the human body surface, without changing the pressure value of each part of the compression stocking. That is, when the human body surface is shortened, the increased adjustment coil rows are retracted, and the compression stockings present a normal size. Dimensions of Area A and Area A1.

As shown in FIG. 4 , the regulating pressure area includes several groups of normal coil courses and several groups of regulating coil courses, and the normal coil courses and regulating coil courses are arranged alternately. The adjustment coil is woven with single-strand or double-strand elastic yarn, the compression stockings are made of flat stitch padding, and the adjustment loop is flat stitch.

The normal loops in the picture are formed by the normal flat stitch padding of compression stockings, and the ground tissue is made of 40/40/40 core-spun yarn or other core-spun yarns, that is, two pieces of 40D nylon covered with 40D spandex, and the padding yarn Use 280/40/40 core-spun yarn, that is, two 40D nylon covered 280D spandex, or 420/40/40 and other core-spun yarns and elastic yarns. The adjusting coil in the picture is made of 40D single or double nylon elastic yarn or other elastic yarns, and only plain stitches are woven. The result of using the above yarns and weaving methods is:

1) The normal coil is made of highly elastic core-spun yarn, and the adjustment coil is made of elastic yarn with a fine yarn count to weave the plain stitch. The normal size of compression stockings, as shown in the normal state in Figure 4.

2) When the human body is moving, the body surface is stretched, and the stretched state is shown as the stressed stretched state in Figure 4. At this time, the adjustment coil fills the size required for the stretched human body surface.

3) The elasticity of compression stockings is mainly given by the liner yarn. The adjustment coils are knitted with thinner yarns, and after insertion, they appear in the normal state shown in Figure 4, which will not affect the normal pressure distribution of the compression stockings, so that under normal conditions, the pressure and pressure distribution of the compression stockings remain unchanged.

4) The adjusting coils are knitted with thinner yarns. When stretched with the body surface, the special state shown in Figure 4 appears. Although the size of the compression stockings has changed, the elasticity of the compression stockings is mainly given by the liner yarn. Therefore, the inserted adjusting coil will not affect the normal pressure distribution of the compression stocking, so that the pressure and pressure distribution of the compression stocking remain unchanged in the stretched state.

To sum up, the advantages of adopting the organ-style coil combination design in the present invention are: when the compression stockings are at rest, the body surface is not stretched, and the body surface of the human body is in a contracted state, the inserted adjustment coils are squeezed out and float on the compression stockings. The surface will not affect the size, pressure and pressure distribution of compression stockings; in the state of human activity, when the body surface is stretched, the inserted adjustment coil fills in between the normal coils, filling the size increase required for stretching, but due to The elasticity of the compression stockings is mainly given by the liner yarn, and the inserted adjustment loops are made of plain stitches, which will not affect the pressure and pressure distribution of the compression stockings. Therefore, it is ensured that when the human body wears compression stockings, the pressure and pressure distribution of the compression stockings meet the needs of the human body under different motion states and different activity levels in daily activities.

Among them, the coil distribution in the adjustment pressure area is as follows:

Achilles tendon adjustment area: During human activities, the maximum extension of the Achilles tendon can reach 50%. Therefore, in the Achilles tendon adjustment area A, there are two adjustment coil courses for every three normal coil courses.

Gastrocnemius adjustment area: The gastrocnemius adjustment area covers at least the rear, inner and outer sides of the gastrocnemius muscle. Due to the large area of the gastrocnemius muscle, the changes in muscle and body surface during human activity are more complicated than those in the Achilles tendon. Therefore, according to the body movement caused by the gastrocnemius muscle Table changes divide the gastrocnemius region into an upper region, a middle region, and a lower region. Among them, the middle area is divided into two areas, and the gastrocnemius adjustment area is divided into four areas in combination with the upper area and the lower area, which are the upper area A1-1, the middle area A1-2, A1-3 and the lower area A1 -4. As shown in Figure 5, the areas A1-2 and A1-3 are located in the center, and the muscle movement and body surface change greatly. The adjustment coils in the areas A1-2 and A1-3 are equipped with two adjustment coils for every three normal coil rows. row. Areas A1-1 and A1-4 are located at both ends of the gastrocnemius region, and when the human body moves, the expansion and contraction ratio of the body surface is smaller than that of the center. Therefore, two adjustment courses are arranged for every four normal courses in the areas A-1 and A1-4. In addition, due to the different body shapes of the human body, the pressure distribution needs are also different. Therefore, in the actual use process, the actual knitting courses in each course can be adjusted accordingly while ensuring the interval between the normal course group and the adjustment course group. The number, and the number of each group of coil courses can be the same or different, depending on the specific needs, and there is no limitation here.

Regulating the size of the pressure zone is designed as follows:

1) Achilles tendon adjustment area: when the human body moves, the Achilles tendon is an extension of the human body surface on a relatively fixed and narrow part. Therefore, according to the characteristics of the stretched part of the Achilles tendon during human movement, the Achilles tendon adjusts the coil The insertion area is designed as a sized area with a width of 3 cm and a height of 4 cm. The specific size can also be adjusted according to the needs of different users.

2) Gastrocnemius adjustment area: Human daily activities will cause increased pressure on the rear, inner, and outer sides of the gastrocnemius muscle of the leg. Therefore, the specially configured adjustment coil row area should cover these three sides. The design scheme of the area is:

2.1) Area height

The height adopts a fixed-length design. According to the actual state of the human gastrocnemius muscle, the height is designed to be 16cm, and the height is divided into four equal quarters. Wherein, the height dimension can be increased or decreased accordingly according to needs, and there is no specific limitation.

2.2) Area width

The area width is set proportionally. The total number of wales for compression stockings is determined by the total number of stitches of the machine. The midline of area A1 is set as the rear midline of the leg, and the width design is divided into two schemes according to the characteristics of the gastrocnemius muscle: the width of the central area A1-2 and A1-3 is designed to be 3/5 of the diameter of the sock tube; the upper and lower areas A1-1 and The width of A1-4 is designed to be 2/5 of the diameter of the sock tube. The specific width size depends on the needs, and there is no limitation here.

In addition, in order to form the compression stocking with the above structure, the present invention also discloses a knitting method of this type of compression stocking. The compression stocking is knitted and formed by a circular weft hosiery machine.

Compression socks are knitted on a special circular weft hosiery machine. In the process of knitting socks, the normal movement of the needle cylinder is that the needle cylinder rotates in one direction and makes a circular motion. However, the organ type structure in the present invention does not need to be inserted in the entire circumferential direction of the compression stockings, but only inserted in special parts where the body surface stretches during daily activities of the human body, such as the Achilles tendon adjustment area A and the gastrocnemius muscle as shown in Figures 2a and 2b Adjusting the area A1, adjusting the width of the pressure area is exactly the braiding length of the organ structure. However, according to the normal method of knitting socks, these organ-like coils cannot be knitted when the needle cylinder rotates in one direction. Rotate in the same direction to make a circular motion, but after turning counterclockwise for a certain angle, the needle cylinder will turn to move in the opposite direction, and then turn clockwise to a certain angle to form a non-full sock through row, and only in the designed In the adjustment pressure areas A and A1, reciprocating knitting is carried out within the width of the adjustment pressure area, and then the knitting of organ-style coils is completed. Therefore, the further invention also discloses a circular weft machine capable of realizing the combination of full-circle weaving and reciprocating reversible weaving.

Specifically, the Achilles tendon adjustment area and the normal coil course in the gastrocnemius adjustment area are braided at 360 degrees, the adjustment coil knitting width is consistent with the corresponding area width, and the normal coil course and the adjustment coil course are integrally formed. The specific weaving steps are as follows:

S1: Knit the normal pressure area first. The normal pressure area is formed by the normal flat stitch liner tissue. The needles in the needle cylinder are all out of the needle, and the needle cylinder rotates once to complete the knitting of one or several normal stitches. In this way, the weaving of the normal pressure area is completed in a cyclical cycle.

S2: Braiding the Achilles tendon adjustment area: the knitting scheme is, three normal coil courses are normally circularly knitted, and two adjustment coil courses are inserted into reciprocating knitting. Three normal coil courses are combined to form a set of normal coil courses, and two adjustment coil courses are combined to form a set of adjustment coil courses.

S21: The Achilles tendon adjustment area is formed by the distribution of normal stitches and adjustment stitches alternately. When knitting normal stitches in this area, all 360 knitting needles in the needle cylinder will come out, knitting flat stitch pad tissue, and the needle cylinder rotates. One week, complete the knitting of one or several normal coil courses, and complete the weaving of a group of normal coil courses, that is, three normal coils, in this way, as shown in the weaving of the first, second and third courses in Figure 6, the first The row, the second row and the third row are formed by weaving plain needle cushioning organization, and the ground organization adopts 40/40/40 core-spun yarn or other core-spun yarn, that is, two 40D nylons are covered with 40D spandex, and the padding The yarn adopts 280/40/40 core-spun yarn, that is, two 40D nylon covered 280D spandex or 420/40/40, and other core-spun yarns and elastic yarns.

S22: When knitting the adjustment loop course in this area, a number of knitting needles that are consistent with the position and width of the Achilles tendon adjustment area will go out, and the rest of the knitting needles will not knit, and the needle cylinder will complete an adjustment along the arc path formed by the number of knitting needles The knitting of the stitch course, and then the needle cylinder reversely rotates, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of a regulating stitch course. In this way, the knitting of a group of regulating stitch courses is completed repeatedly in this way. The course weaving width is the same as the arc path length. One set of adjustment coil courses is the weaving of two adjustment coils. As shown in the fourth and fifth rows in Figure 6. In the preferred embodiment of the present invention, the fourth course and the fifth course are used to weave flat stitch loops, using 40D single-ply or double-ply nylon elastic yarn or other elastic yarns, only knitting flat stitch, and only 120 needles in the rear center are used to weave flat stitches. Organization, assuming that the knitting of the two needles corresponding to the back center line of the compression stocking is 360 and 1 respectively, a total of 120 knitting needles of knitting needles 301-360 and 1-60 are used to knit the adjustment coil.

S23: Then follow steps S21 and S22 to weave sequentially at intervals to form an accordion-like structure of the Achilles tendon adjustment area, wherein the length of the arc path increases or decreases according to different positions in the Achilles tendon adjustment area.

S3: After completing the knitting of the Achilles tendon adjustment area, continue knitting the normal pressure area in the manner of step S1.

S4: Knitting the gastrocnemius adjustment area: the upper area A1-1 and the lower area A1-4 have the same knitting scheme, the knitting scheme is four rows of normal circular knitting, and two rows of reciprocating knitting. The width of the adjustment loop course is 2/5 of the circumference of the sock tube. Taking a hosiery machine with a total number of needles of 360 needles as an example, the knitting process is as follows: the total number of needles N=360, the number of needles for knitting the adjustment loop N1=360*2/ 5=144.

S41: The gastrocnemius adjustment area is formed by the distribution of normal stitches and adjustment stitches alternately. When knitting the normal stitches in this area, all 360 knitting needles in the needle cylinder will come out, and the needle cylinder will rotate once to complete one or several normal stitches. The knitting of the stitch course is done in a cycle in this way to complete the knitting of a group of normal stitch rows.

S42: When knitting the adjustment loop course in this area, several knitting needles consistent with the width of the gastrocnemius muscle adjustment area will go out, and the rest of the knitting needles will not go out, and the needle cylinder will complete an adjustment stitch course along the arc path formed by the several knitting needles After that, the needle cylinder rotates in the opposite direction, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of an adjustment course. In this way, the knitting of a group of adjustment courses is completed repeatedly in this way, and the adjustment course knitting The width is the same as the arc path length. As shown in Figure 7, in the preferred embodiment of the present invention, the first course, the second course, the third course, and the fourth course are formed by weaving plain stitch pads, and the ground fabric adopts 40/40/40 core-spun yarn or other Core-spun yarn, that is, two 40D nylon covered with 40D spandex, the liner yarn is 280/40/40 core-spun yarn, that is, two 40D nylon covered with 280D spandex, or 420/40/40, and Other core yarns and elastic yarns. The specific material is not limited. The fifth row and the sixth row in Fig. 7 are used to weave flat stitch loops, using 40D single-ply or double-ply nylon elastic yarn or other elastic yarns, and only knit flat stitch.

All 360 needles of the needle cylinders in the first four rows are out of needles, knitting the flat stitch liner structure, and only the 144 needles in the rear center of the fifth and sixth rows are used to knit the flat stitch. Assuming that the knitting of the two needles corresponding to the back center line of the compression stocking is 360 and 1 respectively, only the knitting needles 289-360 and 1-72 produce a total of 144 needles.

S43: Then follow steps S41 and S42 to knit at intervals to complete the knitting of the lower area, wherein the length of the arc path increases or decreases according to different positions in the gastrocnemius adjustment area.

Then weave the middle region A1-2 and the two regions A1-3, A1-2, and A1-3 have the same knitting scheme, the knitting scheme is: three courses of normal circular knitting, inserting two courses of reciprocating knitting.

In the two areas A1-2 and A1-3, weave three normal courses and two adjustment courses for every three normal courses, and the width of the adjustment courses is 3/5 of the circumference of the sock tube. Taking a hosiery machine with a total number of needles of 360 needles as an example, the number of needles for knitting an organ-style coil is N1=360*3/5=216, and the knitting process is as follows:

As shown in Figure 8, all 360 needles of the needle cylinders in the first three rows are all needles, and the plain stitch liner structure is knitted, and the fourth and fifth rows only have 216 needles in the rear center to weave the plain stitch. Assuming that the knitting of the two needles corresponding to the back center line of the compression stocking is 360 and 1 respectively, only the knitting needles 253-360 and 1-108 produce a total of 216 needles.

Among them, the first row, the second row, and the third row are woven with plain stitch pads, and the ground texture is made of 40/40/40 core-spun yarn or other core-spun yarns, that is, two pieces of 40D nylon covered with 40D spandex , The liner yarn adopts 280/40/40 core-spun yarn, that is, two 40D nylon covered 280D spandex, or 420/40/40, and other core-spun yarns and elastic yarns. The fourth row and the fifth row knit plain stitch loops, using 40D single-ply or double-ply nylon elastic yarn or other elastic yarns, and only knit flat stitch.

Then weave at intervals according to the above steps to complete the weaving in the middle area.

Then weave the upper area in the same way as the lower area.

S5: After finishing the knitting of the gastrocnemius adjustment area, continue knitting the normal pressure area in the manner of step S1, and finally knit to form compression socks of various heights.

The above knitting method is only the knitting of pressure stockings with two adjustment areas, the Achilles tendon adjustment area and the gastrocnemius adjustment area. In other embodiments, one pressure adjustment area can be knitted as required, and multiple adjustments can also be added. The molding method of the compression stockings in the pressure area is the same as the above, and there is no specific limitation.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A compression stocking meeting the requirements of human body pressure and pressure distribution law, characterized in that, the upward pressure of the compression stocking gradually decreases from the ankle of the human body, and the knitting coil of the compression stocking comprises a normal coil, and the normal coil consists of The flat stitch liner structure is formed by weaving from bottom to top, and the compression stockings also include adjustment loops inserted at intervals between the flat stitch liner structures, the adjustment loops are formed by plain stitch weaving, and the adjustment loops are connected up and down with the normal loops ;When the body surface is not stretched or shrunk, the whole adjustment coil is extruded and suspended on the surface of the compression stocking, and the normal coils are closely matched up and down. Filling in the gap, the normal coil cooperates with the adjustment coil to form an organ-like structure. 2. According to claim 1, the pressure stockings conforming to the requirements of human body pressure and pressure distribution rules, is characterized in that, the pressure stockings include a normal pressure area and an adjusted pressure area, and the adjusted pressure area includes areas corresponding to the Achilles tendon and The Achilles tendon adjustment area and the gastrocnemius adjustment area of the gastrocnemius, the adjustment coil is formed at the Achilles tendon adjustment area and the gastrocnemius adjustment area. 3. According to claim 2, the pressure socks that meet the requirements of human body pressure and pressure distribution law are characterized in that the size of the pressure area and the configuration of the adjustment coil are designed and adjusted according to the different ranges of body surface changes caused by human movement in daily activities Program. 4. According to claim 3, the compression stockings conforming to the requirements of human body pressure and pressure distribution law, is characterized in that, the adjustment coil configuration scheme includes a horizontal configuration scheme and a longitudinal configuration scheme, and the horizontal configuration scheme is: adjusting the knitting width of the coils It is consistent with the width of the adjustment pressure area; the longitudinal configuration scheme is: the adjustment pressure area includes several sets of normal coil courses and several sets of adjustment coil courses, and the normal coil courses and the adjustment coil courses are arranged alternately. 5. The pressure stockings according to claim 2 that meets the requirements of human body pressure and pressure distribution rules, wherein the gastrocnemius adjustment area at least covers the rear side, the inner side and the outer side of the gastrocnemius muscle, according to the body surface caused by the gastrocnemius muscle when the human body moves. Variation divides the gastrocnemius conditioning area into an upper zone, a middle zone, and a lower zone. 6. The compression stockings according to claim 2 that conforms to the requirements of human body pressure and pressure distribution rules, characterized in that the normal course of the Achilles tendon adjustment area and the gastrocnemius adjustment area are woven and formed at 360 degrees, and the knitting width of the adjustment coil course and the corresponding The width of the area is the same, and the normal stitch course and the adjustment stitch course are integrally woven and formed. 7. The pressure socks that meet the requirements of human body pressure and pressure distribution law according to claim 5, characterized in that the middle area is divided into two areas equally, and the gastrocnemius adjustment area is divided into four equal parts in conjunction with the upper area and the lower area area; the heel adjustment area is equally divided into upper and lower areas. 8. The pressure socks that meet the requirements of human body pressure and pressure distribution rules according to claim 1, characterized in that, the adjustment coil is made of single-strand or double-strand elastic yarn, and the adjustment coil is woven by plain stitch; The compression stockings are made of elastic core-spun yarn as a whole, and are woven with flat stitch pad tissue. 9. A method of knitting compression stockings as claimed in any one of claims 1-8, characterized in that the compression stockings are woven by a circular weft hosiery machine, and the compression stockings are divided into normal pressure areas according to the changing pressure areas of the body surface And adjust the pressure area, the adjustment pressure area includes the Achilles tendon adjustment area and the gastrocnemius muscle adjustment area, the specific weaving steps are as follows: S1: Knitting the normal pressure area. The normal pressure area is formed by the normal flat stitch pad tissue. The needles in the needle cylinder are all out of the needle, and the needle cylinder rotates one circle to complete the knitting of one or several normal stitches. The mode cycle completes the weaving of the normal pressure area; S2: Braided Achilles tendon conditioning area: S21: The Achilles tendon adjustment area is formed by the alternating distribution of normal stitch courses and adjustment stitch courses. When knitting the normal stitch courses in this area, all the knitting needles in the needle cylinder will come out, and the needle cylinder will rotate once to complete one or several normal stitches. The weaving of courses, in this way, the periodic cycle completes the weaving of a group of normal coil courses; S22: When knitting the adjustment stitch course in this area, a number of knitting needles that are consistent with the position and width of the Achilles tendon adjustment area will go out, and the rest of the knitting needles will not knit, and the needle cylinder will complete one or The knitting of several adjusting stitch courses, and then the needle cylinder reversely rotates, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of one or several adjusting stitch courses, and in this way, a group of adjusting stitches is completed in a repeated cycle For knitting of courses, adjust the knitting width of the coil courses to be consistent with the length of the arc path; S23: Then follow steps S21 and S22 to weave sequentially at intervals to form an Achilles tendon adjustment area with an organ-like structure, wherein the length of the arc path increases or decreases according to different positions in the Achilles tendon adjustment area; S3: After completing the knitting of the Achilles tendon adjustment area, continue knitting the normal pressure area in the manner of step S1; S4: Braided gastrocnemius toning area: S41: The gastrocnemius adjustment area is formed by the alternating distribution of normal stitch courses and adjustment stitch courses. When knitting the normal stitch courses in this area, all the knitting needles in the needle cylinder will come out, and the needle cylinder will rotate once to complete one or several normal stitch courses. In this way, the weaving of a group of normal coil courses is completed in a periodic cycle; S42: When knitting the adjustment loop course in this area, a number of knitting needles that are consistent with the width of the gastrocnemius muscle adjustment area go out, and the rest of the knitting needles do not go out, and the needle cylinder completes one or more knitting along the arc path formed by the number of knitting needles. Adjust the knitting of the stitch course, and then the needle cylinder rotates in the opposite direction, and the needle cylinder moves along the arc path formed by the several knitting needles to complete the knitting of one or several adjustment stitch courses, and in this way repeatedly completes a group of adjustment stitch courses. For knitting, adjust the knitting width of the course to be consistent with the length of the arc path; S43: Then weave at intervals in sequence according to steps S41 and S42 to form a gastrocnemius adjustment area with an organ-like structure, wherein the length of the arc path increases or decreases according to different positions in the gastrocnemius adjustment area; S5: After finishing the knitting of the gastrocnemius adjustment area, continue knitting the normal pressure area in the manner of step S1, and finally knit to form compression socks of various heights.