CN108301110B - Pressure sock meeting requirements of human pressure and pressure distribution rule and knitting method thereof - Google Patents
Pressure sock meeting requirements of human pressure and pressure distribution rule and knitting method thereof Download PDFInfo
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- CN108301110B CN108301110B CN201810312998.7A CN201810312998A CN108301110B CN 108301110 B CN108301110 B CN 108301110B CN 201810312998 A CN201810312998 A CN 201810312998A CN 108301110 B CN108301110 B CN 108301110B
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- 238000009940 knitting Methods 0.000 title claims abstract description 188
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 44
- 230000008859 change Effects 0.000 claims abstract description 21
- 210000001361 achilles tendon Anatomy 0.000 claims description 51
- 210000001519 tissue Anatomy 0.000 claims description 23
- 210000002027 skeletal muscle Anatomy 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 210000000056 organ Anatomy 0.000 claims description 16
- 238000009954 braiding Methods 0.000 claims description 15
- 230000003247 decreasing effect Effects 0.000 claims description 14
- 210000003423 ankle Anatomy 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 33
- 230000033001 locomotion Effects 0.000 abstract description 17
- 210000003205 muscle Anatomy 0.000 abstract description 17
- 210000000988 bone and bone Anatomy 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 230000002354 daily effect Effects 0.000 description 22
- 230000033228 biological regulation Effects 0.000 description 17
- 210000002414 leg Anatomy 0.000 description 15
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 230000003068 static effect Effects 0.000 description 9
- 229920002334 Spandex Polymers 0.000 description 8
- 201000010099 disease Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
- 239000004759 spandex Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 210000002683 foot Anatomy 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 206010046996 Varicose vein Diseases 0.000 description 5
- 244000309466 calf Species 0.000 description 5
- 238000010992 reflux Methods 0.000 description 4
- 208000027185 varicose disease Diseases 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001699 lower leg Anatomy 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000037081 physical activity Effects 0.000 description 3
- 210000002082 fibula Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000018262 Peripheral vascular disease Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
- D04B1/26—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel stockings
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B17/00—Selection of special materials for underwear
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B9/00—Undergarments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
- A41B2400/32—Therapeutic use
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Socks And Pantyhose (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses pressure socks meeting the demands of human pressure and pressure distribution rules and a knitting method thereof. When the body surface is not stretched or contracted, the whole regulating coil is extruded and suspended on the surface of the pressure sock by the normal coil, the upper normal coil and the lower normal coil are tightly matched, when the body surface is stretched, the normal coil is stretched to form a gap, the regulating coil is filled in the gap, when the body surface size is changed due to the change of muscles and bones, muscles and the like caused by the daily activities of a human body, the pressure sock automatically regulates the sock body size to meet the change requirement of the body surface of the human body in the movement, and further, the unreasonable pressure and pressure distribution caused by the change of the muscles and the like under different activity states of the human body are eliminated or reduced.
Description
Technical Field
The invention belongs to the field of pressure sock structures and knitting process designs, and particularly relates to pressure socks meeting the requirements of human pressure and pressure distribution rules and a knitting method thereof.
Background
Pressure socks, also known as compression socks, are a special textile used for preventing and treating peripheral vascular diseases for nearly a hundred years, but have not attracted widespread attention. In recent years, along with the change of people's life concept, the application field is wider. The international and domestic demands for pressure socks are increasing in an explosive manner. Pressure socks are increasingly accepted and accepted by people as an auxiliary means for preventing and treating diseases such as varicose veins and the like.
The pressure sock capable of preventing and curing diseases has the pressure distribution rule that the pressure distribution is gradually decreased from the far end of the heart to the near end of the heart, namely, the pressure value of the ankle is maximum, and the pressure value is gradually decreased along the legs. As a result of this distribution, the reflux of blood at the far end of the human body is promoted, thereby having the effect of preventing and curing diseases.
Currently, the pressure and pressure distribution of compression socks in China are implemented by the pharmaceutical industry standard YY/T0853-2011. As shown in fig. 1, where AD is a stocking, AF is a stocking, and AG is a stocking. The pressure distribution at the different locations is specified in the standard, as shown in table 1 below:
the pressure distribution criteria for the smallest circumference of the ankle (B), the stop point of the gastrocnemius (B1), the largest circumference of the calf (C), the lower end of the tibial plateau (D) are shown in the table above. The compression sock can be divided into several stages according to the magnitude of the compression force, which is determined by the pressure value applied at the ankle, as shown in table 2 below:
varicose veins mostly occur in lower limbs, and various types of pressure socks are designed according to pressure distribution requirements at the present stage, wherein the pressure distribution is related to pressure, for example, the pressure at the ankle of the pressure sock is the largest in the technical scheme of patent CN201120338372.7, and the pressure is sequentially reduced from bottom to top so as to meet the blood reflux pressure requirements of a human body; patent CN201210372362.4 relates to products capable of producing a pressure gradient effect starting from the ankle portion and gradually decreasing towards the lower leg; patent CN200980127130.9 provides a pressure that gradually decreases from a distal position to a proximal position; patent CN201310572494.6, patent CN201307237667.3 designs a pressure stabilizing zone, a pressure gradient zone, a pressure difference zone, etc. while sequentially decompressing from bottom to top. In addition, various types of pressure socks are included, which relate to the shape of the pressure socks and the needs of the human body, to the design of the pressure area, etc. However, the current pressure sock type is limited to the needs of the user in a static state, and the problem of how to ensure reasonable pressure and pressure distribution of the pressure sock in a daily activity state of the human body is not discussed. And at present, in the field of pressure sock products, the general method for controlling the pressure of the product is as follows: the simulated cylindrical leg mould is adopted to test the pressure values of different parts under the static state so as to judge whether the pressure and the pressure distribution of the pressure sock accord with the industry standard, and the method has the following problems:
1. as an auxiliary means for daily use in preventing and treating varicose vein and other diseases, the pressure socks need to be worn for a long time to be effective. When people wear the pressure socks every day, normal daily activities can be carried out, when the human body is in continuous motion, the important parts of bones and muscles of the legs of the human body can be in different states along with the motion of the human body, and the pressure distribution meet the requirements of products and human bodies of industry standards when the pressure and the pressure distribution are static, so that the pressure and the pressure distribution cannot be ensured to meet the requirements of the human bodies in the daily activity process.
2. The different state of human activity, the change state of important position bones and muscles of human shank etc. is different, can all influence the pressure that compression socks applyed on the human body and present different pressure value when resting, and the pressure value of pressure socks can not follow the motion state automatic adjustment of human body for pressure and pressure distribution under the different motion state of human body all accord with the human demand.
3. The above situation may cause the compression sock, which is tested to meet industry requirements in a resting state, to exhibit a pressure distribution pattern that does not follow the decreasing pressure profile from the distal end of the heart to the proximal end of the heart during actual wear. The result of the distribution is very harmful, not only can the reflux of blood at the far end of a human body not be promoted, but also the reflux of blood at the far end of the human body to the heart is blocked, the effect of preventing and curing diseases can not be achieved, and the illness state can be possibly aggravated.
Therefore, in view of the above problems, it is necessary to provide a novel pressure sock to solve the problem that the pressure distribution of the pressure sock is unreasonable when the human body moves, so that the pressure sock not only maintains correct pressure and pressure distribution in a static state of the human body, but also maintains correct pressure and pressure distribution in different moving states of the human body, conforms to the pressure distribution rule of decreasing from the far end of the heart to the near end of the heart, and plays an effect of preventing and treating diseases.
Disclosure of Invention
In view of the above, the invention provides a pressure sock meeting the demands of the pressure and pressure distribution rules of a human body and a knitting method thereof, so as to solve the problem that the pressure distribution of the pressure sock is unreasonable when the human body moves, and enable the pressure sock to maintain correct pressure and pressure distribution in the static and moving states of the human body, thereby playing the role of preventing and curing diseases.
According to the pressure sock meeting the requirements of the pressure and the pressure distribution rule of a human body, the pressure sock gradually reduces from the ankle of the human body to the upper pressure, the knitting loops of the pressure sock comprise normal loops, the normal loops are formed by knitting plain stitch cushion tissues from bottom to top, the pressure sock further comprises adjusting loops which are inserted at intervals between the plain stitch cushion tissues, the adjusting loops are formed by knitting plain stitch tissues, and the adjusting loops are connected with the normal loops up and down; when the body surface is not stretched or contracted, the whole regulating coil is extruded and suspended on the surface of the pressure sock, the normal coils are tightly matched up and down, when the body surface is stretched, the normal coils are stressed to be upwards or downwards spread to form a gap, the regulating coil is filled in the gap, and the normal coils and the regulating coil are matched to form an organ type structure.
Preferably, the pressure sock comprises a normal pressure area and a pressure adjusting area, the pressure adjusting area comprises an achilles tendon adjusting area and a gastrocnemius adjusting area corresponding to the achilles tendon part and the gastrocnemius part, and the adjusting coil is formed at the achilles tendon adjusting area and the gastrocnemius adjusting area.
Preferably, the size of the pressure adjusting area and the configuration scheme of the adjusting coil are designed according to different body surface change amplitude caused by human body movement in daily activities.
Preferably, the adjusting coil configuration scheme includes a lateral configuration scheme and a longitudinal configuration scheme, and the lateral configuration scheme is as follows: the braiding width of the regulating coil is consistent with the width of the regulating pressure area; the longitudinal configuration scheme is as follows: the pressure regulating area comprises a plurality of groups of normal coil courses and a plurality of groups of regulating coil courses, and the normal coil courses and the regulating coil courses are sequentially arranged at intervals.
Preferably, the gastrocnemius regulating region covers at least the rear side, the inner side and the outer side of the gastrocnemius part, and is divided into an upper region, a middle region and a lower region according to the body surface change caused by the gastrocnemius during the movement of the human body.
Preferably, the Achilles tendon adjusting area and the normal course in the gastrocnemius muscle adjusting area are formed by knitting 360 degrees, the knitting width of the adjusting course is consistent with the width of the corresponding area, and the normal course and the adjusting course are formed by integrally knitting.
Preferably, the middle region is equally divided into two regions, and the gastrocnemius regulating region is equally divided into four regions by matching the upper region and the lower region; the tendon adjusting region is equally divided into an upper region and a lower region.
Preferably, the adjusting coil is made of single-strand or double-strand elastic yarns, and the adjusting coil is woven by plain stitch; the whole elastic core yarn that adopts of pressure socks adopts plain stitch pad tissue to weave to form.
The invention also discloses a knitting method of the pressure socks, the pressure socks are knitted and formed by a circular knitting machine, the pressure socks are divided into a normal pressure area and a pressure adjusting area according to the requirement of a body surface change pressure area, the pressure adjusting area comprises an Achilles tendon adjusting area and a gastrocnemius muscle adjusting area, and the specific knitting steps are as follows:
s1: knitting a normal pressure area, wherein the normal pressure area is formed by normal plain needle pad tissues, a circle of knitting needles in a needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete knitting of one or a plurality of normal courses, and the knitting of the normal pressure area is cyclically completed in a mode;
s2: woven achilles tendon adjustment region:
s21: the Achilles tendon adjusting area is formed by alternate arrangement of normal course and adjusting course, when knitting the normal course in the area, a circle of knitting needles in the needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete the knitting of one or more normal courses, and in this way, the knitting of a group of normal courses is cyclically completed;
s22: when knitting the regulating course in the region, a plurality of knitting needles with the same position and width as those of the achilles tendon regulating region are used for knitting, the rest knitting needles are not used for knitting, the needle cylinder finishes the knitting of one or a plurality of regulating courses along an arc-shaped path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc-shaped path formed by the plurality of knitting needles to finish the knitting of one or a plurality of regulating courses, in this way, the knitting of a group of regulating courses is repeatedly and circularly finished, and the knitting width of the regulating courses is consistent with the length of the arc-shaped path;
s23: then knitting at intervals in sequence according to the steps S21 and S22 to form an Achilles tendon adjusting area with an organ structure, wherein the length of an arc path is increased or decreased according to different positions in the Achilles tendon adjusting area;
s3: after finishing the braiding of the Achilles tendon adjusting area, continuing braiding the normal pressure area in a mode of the step S1;
s4: braiding gastrocnemius muscle adjustment region:
s41: the gastrocnemius muscle adjusting area is formed by alternately distributing normal course and adjusting course, when knitting the normal course in the area, a circle of knitting needles in the needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete the knitting of one or a plurality of normal courses, and in this way, the knitting of a group of normal courses is cyclically completed;
s42: when knitting the adjusting course in the region, a plurality of knitting needles with the same width as the gastrocnemius adjusting region are used for outputting needles, the rest knitting needles are not used for outputting needles, the needle cylinder finishes the knitting of one or a plurality of adjusting courses along an arc-shaped path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc-shaped path formed by the plurality of knitting needles to finish the knitting of one or a plurality of adjusting courses, in this way, the knitting of a group of adjusting courses is repeatedly and circularly finished, and the knitting width of the adjusting courses is consistent with the length of the arc-shaped path;
s43: and then knitting at intervals in sequence according to the steps S41 and S42 to form a gastrocnemius muscle adjusting region with an organ structure, wherein the length of the arc-shaped path is increased or decreased according to different positions in the gastrocnemius muscle adjusting region;
s5: after finishing the knitting of the gastrocnemius muscle adjusting region, continuing to knit the normal pressure region in a step S1 mode, and finally knitting to form pressure socks with various heights.
Compared with the prior art, the pressure sock meeting the requirements of the pressure and pressure distribution rule of the human body and the knitting method thereof have the advantages that:
through setting up the regulation coil course at the interval between the normal coil course of pressure socks, normal coil course and the cooperation of regulation coil course form organ type structure. When the body surface is not stretched or contracted, the whole adjusting coil course is extruded to the surface of the pressure sock by the normal coil course, the upper normal coil course and the lower normal coil course are closely matched, when the body surface is stretched, the normal coil course is stressed to be upwards or downwards unfolded to form a gap, the adjusting coil course is filled in the gap, the body surface size can be changed due to the change of muscles and bones, muscles and the like caused by the daily activities of a human body, the sock body size can be automatically adjusted, so that the changing requirement of the body surface of the human body in the movement is met, and the problem that the pressure and the pressure distribution are unreasonable due to the change of the muscles and the like under different activity states of the human body is eliminated or reduced.
In addition, the pressure sock structure is designed in a partitioning way according to the pressure change caused by the characteristics of daily activities and the pressure and pressure distribution requirements of the human body on the pressure sock when the pressure sock is worn by the human body in daily life, so that the pressure and the pressure distribution of the pressure sock applied to the human body in the static state, different activity states and different action levels of the human body when the pressure sock is worn by the human body in daily life can meet the principle of hemodynamics, the pressure distribution rule decreasing from the far end of the heart to the near end of the heart is shown, the pressure value and the pressure distribution rule meet the human body requirements, and the effects of preventing and treating diseases are effectively achieved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pressure sock and a pressure test portion of the pressure sock.
Fig. 2a and 2b are distribution diagrams of pressure sock adjusting pressure areas in the present invention.
Fig. 3a, 3b are schematic illustrations of the calf structure.
Fig. 4 is a schematic diagram showing the structure of the coil in the normal state and the stretching state in the pressure-adjusting region of the pressure sock.
Fig. 5 is a gastrocnemius regulatory region profile.
Fig. 6 is a schematic representation of the achilles tendon accommodation region weave.
Fig. 7 is a schematic view of the braiding of the upper and lower regions in the gastrocnemius adjustment region.
Fig. 8 is a schematic representation of the braiding of the middle region of the gastrocnemius accommodating region.
Names of the corresponding parts represented by numerals or letters in the drawings:
1. sock foot 2, sock leg 11, normal stitch 12, adjusting stitch A, achilles tendon adjusting area A1, gastrocnemius adjusting area
Detailed Description
As described in the background art section, the conventional pressure socks are limited to the needs of users in the static state, and the problem of reasonable pressure and pressure distribution in the daily activity state of the human body cannot be realized.
The pressure sock solves the problem that the pressure distribution of the pressure sock is unreasonable due to daily activities of a human body aiming at the structural characteristics of the human body, so that the pressure sock not only keeps correct pressure and pressure distribution in a static state of the human body, but also keeps correct pressure and pressure distribution in different activity states of the human body, and the correct pressure and pressure distribution rule of the pressure sock can be ensured in any daily life state when the pressure sock is worn by the human body.
The technical scheme of the present invention will be clearly and completely described in the following detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2a and 2b, the present invention provides a pressure sock according with the requirement of pressure and pressure distribution rule of human body, comprising a sock foot 1 and a sock leg 2, wherein the pressure sock gradually reduces from the ankle of human body to the upper pressure, so as to satisfy the pressure distribution rule of decreasing from the far end of heart to the near end of heart. The knitting coil of the pressure sock comprises normal coils, wherein the normal coils 11 are formed by knitting plain needle pad tissues from bottom to top, the pressure sock further comprises adjusting coils 12 which are inserted between the plain needle pad tissues at intervals, the adjusting coils are formed by knitting plain needle tissues, the adjusting coils 12 are connected with the normal coils 11 up and down, when the body surface is not stretched or contracted, the adjusting coils are integrally extruded and suspended on the surface of the pressure sock, the normal coils are tightly matched up and down, when the body surface is stretched, the normal coils are stressed to be unfolded upwards or downwards to form gaps, the adjusting coils are filled in the gaps, and the normal coils are matched with the adjusting coils to form an organ type structure.
Since varicose veins occur mostly in lower limbs, the present invention relates to a middle stocking applied to prevention and treatment of varicose veins of the lower leg. According to the stretching deformation of the muscles and bones of the legs of the human body and the muscles in the daily activities and the pressure change caused by the deformation, the pressure sock is subjected to partition structural design.
The pressure sock is worn in daily activities to cause changes in pressure and pressure law applied to the human body by the pressure sock, which are mainly caused by stretching of muscles and bones shown in fig. 2a and 2b, gastrocnemius, soleus, achilles tendon, long fibula, extensor digitorum longus, short fibula, and long tibialis anterior. The pressure conditions of standing still and different activities when a person wearing an actual measurement wearing a qualified pressure sock are shown in the following table 3, and the outline and the underlined part in the figure respectively represent the unreasonable pressure distribution.
As shown in the table above, when the human body is stationary, pressure socks with qualified pressure and pressure distribution have three problems in daily activity state:
1) C is on three sides of the measurement: pressure increases occur on the medial, lateral and posterior sides, so that the pressure at C is significantly greater than at B1 (framed data in Table 3), and the pressure distribution is no longer reasonable, mainly because of the stretching of muscles in daily activities of the human body, and the stretching of the inner core of the calf has the greatest effect on the pressure value because the gastrocnemius muscle is a superficial muscle.
2) The daily activities of the human body cause a sudden increase in the pressure value at the achilles tendon site B at the time of measurement of the posterior midline of the human body's calf, which is caused by the extension and contraction of the achilles tendon site during exercise. The pressure value at the position B1 is increased, so that the pressure proportion relation between the position B and the position B1 is not correct, and the pressure at the position B1 is 70-100% of the pressure at the position B as shown in the table 1; however, the pressure at the position B is increased due to the movement of the human body, as shown in the table 3, at this time, the pressure at the position B1 is reduced to be lower than 60% relative to the pressure at the position B, and the pressure distribution rule is not reasonable any more.
3) The daily activity of the human body, measured on the posterior midline of the human calf, caused a sharp increase in pressure values at the achilles tendon site B (underlined data in table 3), nearly doubling the increase relative to rest. Although the pressure value of the foot of the pressure sock is not measured and controlled in the relevant standard regulation, in practical application, the pressure value of the foot of the pressure sock is not lower than the pressure value at the position B, so that the backflow of blood of the foot can be ensured. However, the daily activities of the human body cause the pressure value at the position B to be increased suddenly, so that the blood backflow of the foot is blocked.
Therefore, in order to avoid the problems, the pressure socks are designed in a partitioning way, and on the structure of the common pressure socks, the areas where the pressure values are not reasonably distributed when the human body moves are set as special areas, and the special areas are designed in a distinguishing way.
Specifically, divide into normal pressure region and regulation pressure region with pressure socks structural style and weave the mode the same with traditional pressure socks, regulation pressure region is for adding the region that has adjusting coil, specifically sets up the position that corresponds human activity muscle expansion change on the pressure socks. The pressure adjusting region in this embodiment includes an achilles tendon adjusting region and a gastrocnemius adjusting region corresponding to the achilles tendon portion and the gastrocnemius portion, and the adjusting coil is formed at the achilles tendon adjusting region and the gastrocnemius adjusting region. In other embodiments, the pressure adjusting area can be arranged at other positions of the pressure sock according to the flexible change of the human body activity, so as to cope with the human body activity change at different positions without limitation.
As shown in fig. 2a and 2b, a in the drawing is an achilles tendon adjustment region, corresponding to an achilles tendon portion, A1 is a gastrocnemius adjustment region, corresponding to a gastrocnemius region of a human body. Through increasing and setting up the regulation coil in regulation region A and A1, set up normal coil and regulation coil interval and form organ formula coil integrated configuration for the size of pressure socks can stretch out and draw back along with achilles tendon and muscle. The added adjusting coil row is only suitable for the telescopic change of the body surface of the human body, and the pressure value of each part of the pressure sock is not changed. Namely, when the human body surface is shortened, the increased adjusting coil row is retracted, the pressure sock presents a normal size, when the human body surface is extended, the increased adjusting coil row is exposed, and the sizes of the area A and the area A1 can be adaptively increased or reduced according to the extension condition of the human body surface.
As shown in fig. 4, the pressure adjusting area includes a plurality of normal coil rows and a plurality of adjusting coil rows, and the normal coil row groups and the adjusting coil row groups are sequentially arranged at intervals. The adjusting coil is formed by knitting single-strand or double-strand elastic yarns, the whole pressure sock is in a plain stitch pad structure, and the adjusting coil is in a plain stitch structure.
The normal loop in the figure is formed by a normal plain stitch lining structure of the pressure sock, the ground structure adopts 40/40/40 core spun yarns or other core spun yarns, namely two 40D nylon coated 40D spandex yarns, and the lining yarn adopts 280/40/40 core spun yarns, namely two 40D nylon coated 280D spandex yarns, or 420/40/40 and other core spun yarns and elastic yarns. The adjusting loops in the figure are made of 40D single-strand or double-strand nylon elastic yarn or other elastic yarns, and only plain stitch is knitted. The result of using the yarn and the knitting mode is that:
1) The normal coil adopts the high-elasticity core-spun yarn to weave the pad structure, the adjusting coil adopts the spun yarn to weave the plain stitch structure, the normal core-spun yarn after the pressure sock is taken off the machine contracts and squeezes tightly, and the normal size of the pressure sock is not affected by the insertion of the adjusting coil, as in the normal state in fig. 4.
2) When the human body moves, the human body surface stretches, the stretching state is shown as the stressed stretching state in fig. 4, and at the moment, the adjusting coil fills the size required by the human body surface stretching.
3) The elastic force of the compression sock is mainly imparted by the inlay yarn. The regulating coil adopts a spun yarn to carry out plain stitch knitting, and the plain stitch knitting shows the normal state in fig. 4 after being inserted, so that the normal pressure distribution of the pressure sock can not be influenced, and the pressure distribution rule of the pressure sock are unchanged in the normal state.
4) The adjusting coil is knitted by adopting a plain stitch yarn, and is in a special state in fig. 4 when stretched along with the body surface of a human body, although the size of the pressure sock is changed, the elasticity of the pressure sock is mainly provided by the lining yarn, so that the inserted adjusting coil cannot influence the normal pressure distribution of the pressure sock, and the pressure and pressure distribution rule of the pressure sock are unchanged in the stretched state.
In summary, the organ type coil combination design adopted in the invention has the advantages that: the inserted adjusting coil is extruded and floats on the surface of the pressure sock when the human body is static, the body surface is not stretched and the human body movement body surface is in a contracted state, so that the size, the pressure and the pressure distribution of the pressure sock are not affected; when the body surface is stretched in the human body activity state, the inserted regulating loops are filled between the normal loops, so that the size increase required by stretching is filled, but the elastic force of the pressure sock is mainly given by the lining yarn, and the inserted regulating loops adopt flat needle loops, so that the pressure and the pressure distribution of the pressure sock are not influenced. Therefore, when the pressure socks are worn by a human body, the pressure and the pressure distribution of the pressure socks meet the requirements of the human body under different movement states in daily activities and different activity levels.
The coil distribution in the pressure-regulating region is as follows:
achilles tendon regulation region: the maximum extension of the achilles tendon can reach 50% when the human body moves. Thus, two adjustment courses are arranged every three normal courses in the achilles tendon adjustment region a.
Gastrocnemius regulation region: the gastrocnemius regulating region covers at least the rear side, the inner side and the outer side of the gastrocnemius part, and the gastrocnemius region is divided into an upper region, a middle region and a lower region according to the body surface change caused by the gastrocnemius when the human body moves because the gastrocnemius region is larger and the muscle change and the body surface change are more complicated than those of the achilles tendon part in the human body movement state. Wherein the middle area is equally divided into two areas, and the gastrocnemius regulating area is equally divided into four areas by matching the upper area and the lower area, namely an upper area A1-1, middle areas A1-2, A1-3 and a lower area A1-4 respectively. As shown in FIG. 5, the areas A1-2 and A1-3 are located at the center, the muscle movement and body surface changes greatly, and two adjusting courses are arranged every three normal courses in the areas A1-2 and A1-3. The areas A1-1 and A1-4 are positioned at two ends of the gastrocnemius area, and the body surface expansion proportion is smaller than that of the central part when the human body moves. Thus, two adjustment courses are arranged every four normal courses within the areas A-1 and A1-4. In addition, because the human body types are different, the pressure distribution needs to be different, so in the actual use process, the number of actual knitting courses in each course group can be correspondingly regulated while the interval setting of the normal course group and the regulating course group is ensured, and the number of the courses of each group can be the same or different, and the method is not limited herein according to the needs.
The size of the regulated pressure area is designed as follows:
1) Achilles tendon regulation region: when the human body moves, the achilles tendon part extends on a relatively fixed narrow part, so that the achilles tendon part adjusting coil inserting area is designed to be a sizing area with the width of 3cm and the height of 4cm according to the characteristics of the achilles tendon stretching part when the human body moves. The specific dimensions may also be adjusted according to different user needs.
2) Gastrocnemius regulation region: the daily activities of the human body can cause the pressure increase of the rear side, the inner side and the outer side of the gastrocnemius part of the leg, so that the three sides are covered by the specially configured adjusting coil row area, and the design scheme of the area is as follows:
2.1 Area height)
The height is designed to be 16cm according to the actual state of gastrocnemius muscle of human body, and the height is divided into 4 areas in four equal parts. Wherein the height dimension is increased or decreased accordingly as needed, and is not particularly limited.
2.2 Area width)
The zone width is set in proportion. The total number of wales of the compression sock is determined by the total number of needles of the machine. The area A1 midline is set as the leg posterior midline, and the width design is divided into two schemes according to gastrocnemius characteristics: the width of the middle areas A1-2 and A1-3 is designed to be 3/5 of the diameter of the sock leg; the width of the upper and lower regions A1-1 and A1-4 is designed to be 2/5 of the diameter of the sock leg, and the specific width dimensions are determined according to the need, without limitation.
In addition, in order to form the pressure socks in the structural form, the invention also discloses a knitting method of the pressure socks, and the pressure socks are knitted and formed by adopting a circular knitting machine.
The pressure socks are woven on special circular knitting machines. In the process of knitting the sock leg, the needle cylinder normally moves in a mode that the needle cylinder rotates in one direction and performs circular motion. However, the organ structure of the present invention is not required to be inserted in the whole circumferential direction of the pressure sock, but is inserted only in a special part where the body surface stretches and contracts during daily activities of the human body, as shown in fig. 2a and 2b, the achilles tendon adjusting area a and the gastrocnemius muscle adjusting area A1 are shown, and the width of the pressure adjusting area is the knitting length of the organ structure. However, according to the normal method for knitting the sock leg, the organ type coil cannot be knitted in a mode that the needle cylinder normally rotates along one direction, so that the circular motion of the needle cylinder needs to be changed into the circular motion of the needle cylinder, namely, the needle cylinder direction can not rotate along the same direction to do circular motion, but can rotate anticlockwise for a certain angle, then the needle cylinder rotates reversely and then rotates clockwise for a certain angle, so that a non-full sock leg through course is formed, and reciprocating knitting is performed only in the designed pressure adjusting areas A and A1 within the width range of the pressure adjusting areas, so that the knitting of the organ type coil is completed. Therefore, the invention further discloses a circular knitting machine capable of combining full-circle knitting with reciprocating reversible knitting.
Specifically, the Achilles tendon adjusting area and the normal course in the gastrocnemius muscle adjusting area are formed by 360-degree knitting, the knitting width of the adjusting course is consistent with the width of the corresponding area, and the normal course and the adjusting course are formed by integral knitting. The specific braiding steps are as follows:
s1: firstly, knitting a normal pressure area, wherein the normal pressure area is formed by a normal plain needle pad tissue, a circle of knitting needles in a needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete knitting of one or a plurality of normal courses, and the knitting of the normal pressure area is cyclically completed in the mode.
S2: woven achilles tendon adjustment region: the knitting scheme is that three normal courses are knitted normally circumferentially and two adjusting courses are inserted to be knitted reciprocally. Wherein three normal courses are combined to form a group of normal courses and two adjusting courses are combined to form a group of adjusting courses.
S21: the Achilles tendon adjusting area is formed by alternate arrangement of normal stitch courses and adjusting stitch courses, when the normal stitch courses are knitted in the area, one circle of 360 knitting needles in a needle cylinder are all used for knitting a plain stitch cushion tissue, the needle cylinder rotates for one circle to complete the knitting of one or a plurality of normal stitch courses, and the knitting of one group of normal stitch courses, namely three normal stitch courses, is cyclically completed in the mode, such as the knitting of a first course, a second course and a third course in fig. 6, wherein the first course, the second course and the third course are formed by knitting the plain stitch cushion tissue, the ground tissue adopts 40/40/40 core spun yarn or other core spun yarn, namely two 40D nylon coated 40D spandex yarns, the cushion yarn adopts 280/40/40 core spun yarn, namely two 40D nylon coated 280D spandex yarns or 420/40/40, and other core spun yarn and elastic yarn.
S22: when knitting the adjusting course in the area, a plurality of knitting needles with the same position and width as those of the achilles tendon adjusting area are used for knitting, the rest knitting needles are not used for knitting, the needle cylinder finishes the knitting of one adjusting course along the arc-shaped path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc-shaped path formed by the plurality of knitting needles to finish the knitting of one adjusting course, in this way, the knitting of one group of adjusting courses is repeatedly and circularly finished, and the knitting width of the adjusting course is consistent with the length of the arc-shaped path. One group of adjusting coil courses is the braiding of two adjusting coils. As shown in the fourth and fifth courses in fig. 6. In the preferred embodiment of the invention, the fourth course and the fifth course are used for knitting plain stitch, only plain stitch is knitted by adopting 40D single-strand or double-strand nylon elastic yarn or other elastic yarn, only 120 needles are used for knitting plain stitch in the rear center part, and the knitting of two corresponding needles in the rear center part of the pressure sock is respectively 360 and 1, and the total of 120 knitting needles 301-360 and 1-60 are used for knitting the adjusting stitch.
S23: and then knitting at intervals in sequence according to the steps S21 and S22 to form an Achilles tendon adjusting area with an organ structure, wherein the length of the arc-shaped path is increased or decreased according to different positions in the Achilles tendon adjusting area.
S3: after the achilles tendon adjusting region is knitted, the normal pressure region is continuously knitted in a step S1.
S4: braiding gastrocnemius muscle adjustment region: the upper area A1-1 and the lower area A1-4 are knitted in the same way, and the knitting scheme is normal circumferential knitting of four courses and reciprocating knitting of two courses is inserted. The width of the adjusting course is 2/5 of the circumference of the stocking leg, taking a stocking machine with 360 total needles as an example, the knitting process is as follows: total number of stitches n=360, number of stitches n1=360×2/5=144 of the knitting adjustment coil.
S41: the gastrocnemius muscle regulating area is formed by alternately distributing normal course and regulating course, when knitting the normal course in the area, one circle of 360 knitting needles in the needle cylinder are all needle-out, and the needle cylinder rotates for one circle to complete the knitting of one or several normal courses, so that the knitting of one group of normal courses is cyclically completed in a mode.
S42: when knitting the adjusting course in the region, a plurality of knitting needles with the same width as the gastrocnemius adjusting region are used for outputting needles, the rest knitting needles are not used for outputting needles, the needle cylinder finishes the knitting of one adjusting course along an arc path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc path formed by the plurality of knitting needles to finish the knitting of one adjusting course, in this way, the knitting of one group of adjusting courses is repeatedly and circularly finished, and the knitting width of the adjusting course is consistent with the length of the arc path. As shown in FIG. 7, in the preferred embodiment of the present invention, the first, second, third and fourth courses are knitted with plain stitch construction, the stitch construction is formed by using 40/40/40 core spun yarns or other core spun yarns, i.e. two 40D nylon coated 40D spandex yarns, and the stitch construction is formed by using 280/40/40 core spun yarns, i.e. two 40D nylon coated 280D spandex yarns, or 420/40/40, and other core spun yarns and elastic yarns. The specific material is not limited. The fifth and sixth courses in fig. 7 weave plain stitch with 40D single or double ply nylon stretch yarn or other stretch yarn, with only plain stitch weave.
The first four courses have all 360 needles out of the needle, knitting plain cushion tissue, and the fifth and sixth courses have only 144 needles in the rear center portion for knitting plain tissue. Let the knitting of the two needles corresponding to the rear midline of the compression sock be 360 and 1, respectively, with only needles 289-360 and 1-72 taking out 144 total needles.
S43: and then knitting at intervals sequentially according to the steps S41 and S42, and finishing knitting of the lower region, wherein the length of the arc-shaped path is increased or decreased according to different positions in the gastrocnemius muscle adjusting region.
And then knitting the middle area A1-2 with the two areas A1-3, A1-2 and A1-3 in the same knitting scheme, wherein the knitting scheme is as follows: the normal circumferential knitting of three courses, the reciprocating knitting of two courses, are inserted.
In the two areas A1-2 and A1-3, every three normal courses are knitted, two adjusting courses are knitted, and the width of each adjusting course is 3/5 of the circumference of the sock leg. Taking a hosiery machine with 360 total stitches as an example, the number of stitches n1=360×3/5=216 of the knitted organ stitch is knitted, and the knitting process is as follows:
as shown in FIG. 8, the first three courses have all 360 needles out of the needle, knitting plain cushion tissue, and the fourth and fifth courses have only 216 needles in the rear center portion to knit plain tissue. Let the knitting of the two needles corresponding to the rear midline of the compression sock be 360 and 1, respectively, with only needles 253-360 and 1-108 taking up 216 needles out.
Wherein, the first course, the second course and the third course are knitted with plain needle cushion tissues, the ground tissues are formed by adopting 40/40/40 core-spun yarns or other core-spun yarns, namely two 40D nylon-coated 40D spandex yarns, and the cushion yarns are formed by adopting 280/40/40 core-spun yarns, namely two 40D nylon-coated 280D spandex yarns, or 420/40/40, and other core-spun yarns and elastic yarns. The fourth row and the fifth row are used for knitting plain stitch, and 40D single-strand or double-strand nylon elastic yarns or other elastic yarns are used for knitting plain stitch only.
And then knitting at intervals in sequence according to the steps to finish knitting of the middle area.
The braiding of the upper region is then completed in the manner of the braiding of the lower region.
S5: after finishing the knitting of the gastrocnemius muscle adjusting region, continuing to knit the normal pressure region in a step S1 mode, and finally knitting to form pressure socks with various heights.
The above knitting mode is only to set up the knitting of the pressure socks of two regulation areas of achilles tendon regulation area and gastrocnemius muscle regulation area simultaneously, can weave the pressure socks of one regulation pressure area of shaping as required in other embodiments, also can be for setting up the pressure socks of a plurality of regulation pressure areas, and the shaping mode is unanimous with above-mentioned, does not specifically limit.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to 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 (5)
1. The pressure sock meeting the requirements of the pressure and pressure distribution rules of a human body is characterized in that the pressure sock gradually reduces from the ankle of the human body to the upper pressure, the knitting loops of the pressure sock comprise normal loops, the normal loops are formed by knitting plain stitch pad tissues from bottom to top, the pressure sock further comprises adjusting loops which are inserted between the plain stitch pad tissues at intervals, the adjusting loops are formed by knitting plain stitch tissues, and the adjusting loops are connected with the normal loops up and down; when the body surface is not stretched or contracted, the whole regulating coil is extruded and suspended on the surface of the pressure sock, the normal coils are tightly matched up and down, when the body surface is stretched, the normal coils are stressed to be stretched upwards or downwards to form a gap, the regulating coil is filled in the gap, and the normal coils and the regulating coil are matched to form an organ type structure;
the pressure sock comprises a normal pressure area and a pressure adjusting area, the pressure adjusting area comprises an achilles tendon adjusting area and a gastrocnemius adjusting area which correspond to the achilles tendon part and the gastrocnemius part, and the adjusting coil is formed at the achilles tendon adjusting area and the gastrocnemius adjusting area; the adjusting coil arrangement scheme comprises a transverse arrangement scheme and a longitudinal arrangement scheme, wherein the transverse arrangement scheme is as follows: the braiding width of the regulating coil is consistent with the width of the regulating pressure area; the longitudinal configuration scheme is as follows: the pressure regulating area comprises a plurality of groups of normal coil courses and a plurality of groups of regulating coil courses, and the normal coil course groups and the regulating coil course groups are sequentially arranged at intervals; the Achilles tendon adjusting area and the normal course in the gastrocnemius adjusting area are formed by 360-degree knitting, the knitting width of the adjusting course is consistent with the width of the corresponding area, and the normal course and the adjusting course are integrally formed by knitting.
2. The pressure sock according to claim 1, wherein the gastrocnemius adjustment region covers at least the rear side, the inner side and the outer side of the gastrocnemius portion, and is divided into an upper region, a middle region and a lower region according to a body surface change caused by the gastrocnemius when the human body moves.
3. The pressure sock meeting the requirements of the pressure and pressure distribution law of the human body according to claim 2, wherein the middle area is equally divided into two areas, and the gastrocnemius adjusting area is equally divided into four areas by matching the upper area and the lower area; the tendon adjusting region is equally divided into an upper region and a lower region.
4. The pressure sock meeting the requirements of the human pressure and pressure distribution law according to claim 1, wherein the regulating loops are formed by knitting single-strand or double-strand elastic yarns and flat knitting; the whole elastic core yarn that adopts of pressure socks adopts plain stitch pad tissue to weave to form.
5. A method of knitting a compression sock according to any of claims 1 to 4, wherein the compression sock is knitted by a circular knitting machine, the compression sock is divided into a normal compression area and an adjustment compression area according to the requirement of a body surface change compression area, the adjustment compression area comprises an Achilles tendon adjustment area and a gastrocnemius muscle adjustment area, and the specific knitting steps are as follows:
s1: knitting a normal pressure area, wherein the normal pressure area is formed by normal plain needle pad tissues, a circle of knitting needles in a needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete knitting of one or a plurality of normal courses, and the knitting of the normal pressure area is cyclically completed in a mode;
s2: woven achilles tendon adjustment region:
s21: the Achilles tendon adjusting area is formed by alternate arrangement of normal course and adjusting course, when knitting the normal course in the area, a circle of knitting needles in the needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete the knitting of one or more normal courses, and in this way, the knitting of a group of normal courses is cyclically completed;
s22: when knitting the regulating course in the region, a plurality of knitting needles with the same position and width as those of the achilles tendon regulating region are used for knitting, the rest knitting needles are not used for knitting, the needle cylinder finishes the knitting of one or a plurality of regulating courses along an arc-shaped path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc-shaped path formed by the plurality of knitting needles to finish the knitting of one or a plurality of regulating courses, in this way, the knitting of a group of regulating courses is repeatedly and circularly finished, and the knitting width of the regulating courses is consistent with the length of the arc-shaped path;
s23: then knitting at intervals in sequence according to the steps S21 and S22 to form an Achilles tendon adjusting area with an organ structure, wherein the length of an arc path is increased or decreased according to different positions in the Achilles tendon adjusting area;
s3: after finishing the braiding of the Achilles tendon adjusting area, continuing braiding the normal pressure area in a mode of the step S1;
s4: braiding gastrocnemius muscle adjustment region:
s41: the gastrocnemius muscle adjusting area is formed by alternately distributing normal course and adjusting course, when knitting the normal course in the area, a circle of knitting needles in the needle cylinder are all out of the needle, the needle cylinder rotates for one circle to complete the knitting of one or a plurality of normal courses, and in this way, the knitting of a group of normal courses is cyclically completed;
s42: when knitting the adjusting course in the region, a plurality of knitting needles with the same width as the gastrocnemius adjusting region are used for outputting needles, the rest knitting needles are not used for outputting needles, the needle cylinder finishes the knitting of one or a plurality of adjusting courses along an arc-shaped path formed by the plurality of knitting needles, then the needle cylinder reversely rotates, the needle cylinder moves along the arc-shaped path formed by the plurality of knitting needles to finish the knitting of one or a plurality of adjusting courses, in this way, the knitting of a group of adjusting courses is repeatedly and circularly finished, and the knitting width of the adjusting courses is consistent with the length of the arc-shaped path;
s43: and then knitting at intervals in sequence according to the steps S41 and S42 to form a gastrocnemius muscle adjusting region with an organ structure, wherein the length of the arc-shaped path is increased or decreased according to different positions in the gastrocnemius muscle adjusting region;
s5: after finishing the knitting of the gastrocnemius muscle adjusting region, continuing to knit the normal pressure region in a step S1 mode, and finally knitting to form pressure socks with various heights.
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| CN108301110B (en) * | 2018-04-09 | 2023-12-19 | 江苏华佳丝绸股份有限公司 | Pressure sock meeting requirements of human pressure and pressure distribution rule and knitting method thereof |
| CN108823772B (en) * | 2018-08-09 | 2020-04-07 | 福建荣荣新材料股份有限公司 | Flat knitting machine fabric with multilayer structure and method for knitting multilayer fabric by double-needle bed flat knitting machine |
| CN113151959B (en) * | 2021-04-30 | 2022-12-06 | 福建华峰新材料有限公司 | Compressed cloth with elasticity effect and production method thereof |
| CN113502590B (en) * | 2021-07-13 | 2022-10-18 | 苏州大学 | Pressure socks with composite body shaping and beautifying functions and weaving method |
| CN114486719B (en) * | 2022-03-30 | 2024-03-19 | 浙江理工大学 | Pressure test method for cylindrical simulated limb and elastic sock with adjustable circumference |
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