CN111657582A - Anti-slip knee pad and preparation method thereof - Google Patents
Anti-slip knee pad and preparation method thereof Download PDFInfo
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- CN111657582A CN111657582A CN202010642727.5A CN202010642727A CN111657582A CN 111657582 A CN111657582 A CN 111657582A CN 202010642727 A CN202010642727 A CN 202010642727A CN 111657582 A CN111657582 A CN 111657582A
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- shell
- injection molding
- bottom shell
- hard bottom
- slip
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/06—Knee or foot
- A41D13/065—Knee protectors
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/80—Friction or grip reinforcement
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Mechanical Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The application relates to an anti-skid knee pad and a preparation method thereof, relating to a protective article for knees of human bodies, wherein the anti-skid knee pad comprises a cushion pad and a shell arranged on one side of a bulge of the cushion pad, and connecting pieces are arranged on two sides of the cushion pad; the shell comprises a hard bottom shell connected to the buffer pad and a flexible face shell connected to one side, far away from the buffer pad, of the hard bottom shell. The preparation method comprises the following steps: s1, forming a hard bottom shell; forming a hard bottom shell by PP injection molding; s2, forming the flexible face shell; covering the concave side of the hard bottom shell upwards on a bottom die of the face shell die, and driving a top die of the face shell die to be tightly propped against the upper part of the hard bottom shell; injecting TPE through an injection molding hole of the hard bottom shell, cooling and demolding to form a flexible surface shell; s3, sewing the cushion pad and the shell; the concave side of the shell is covered on the convex side of the cushion pad and is sewn. This application had both possessed anti-skidding effect, also can prevent the puncture to security in the anti-skidding knee-pad use has been improved.
Description
Technical Field
The application relates to a knee protection article for a human body, in particular to an anti-skidding knee pad and a preparation method thereof.
Background
The knee, one of the important joints of the human body, has a relatively fragile characteristic. Knee pads are often worn during construction work or outdoor activities in order to reduce the damage to the knees.
Existing knee wraps include a cushioning pad and a shell. The shape of the buffer cushion is matched with the kneecap of the human body, and the shell is arranged on one side of the bulge of the buffer cushion. The two sides of the cushion pad are also provided with connecting pieces, and after the cushion pad covers the upper part of the patella of the human body, the cushion pad is locked on the patella injury of the human body through the connecting pieces.
In general, the shell is made of materials with elastic deformation capacity, such as rubber, so that the friction force between the surface of the shell and the contact surface in the practical process of the knee pad is improved. When the knee cap slides in kneeling construction and sports, the human body can be quickly stabilized through the frictional resistance between the shell and the contact surface, thereby improving the use safety.
However, the shell with elastic deformation capability has weak puncture resistance, and when the shell meets sharp objects in the using process, the knee cap of a human body cannot be well protected.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide an anti-slip knee wrap which provides both anti-puncture and anti-slip benefits.
The above object of the present invention is achieved by the following technical solutions:
an anti-slip knee pad comprises a cushion pad and a shell arranged on one side of a bulge of the cushion pad, wherein connecting pieces are arranged on two sides of the cushion pad; the shell comprises a hard bottom shell connected to the buffer pad and a flexible face shell connected to one side, far away from the buffer pad, of the hard bottom shell.
By adopting the technical scheme, when the user uses the kneepad, the soft shell can provide enough frictional resistance, so that the soft shell can be stably locked on the ground contacted with the soft shell. When sharp objects prick to the position of the knee cap of a constructor, the hard bottom shell can block the sharp objects, so that the knee cap is protected.
The present invention in a preferred example may be further configured to: the position that the stereoplasm drain pan corresponds patellar top and both sides all is the orientation and deviates from the bellied cambered surface setting of blotter direction, and the position that the stereoplasm drain pan corresponds the patellar top forms the puncture face of top prevention, and the position that the stereoplasm drain pan corresponds the patellar both sides forms two lateral parts and prevents the puncture face.
By adopting the technical scheme, the cambered surface has stronger resistance to deformation, and the top puncture-preventing surface and the side puncture-preventing surface can better protect the solder paste bones and improve the puncture-preventing effect.
The present invention in a preferred example may be further configured to: one side of the hard bottom shell is sunken to form an injection molding area, and an injection molding hole penetrating through the hard bottom shell is formed in the injection molding area; the flexible face shell is injected in the injection molding area and is integrated with the hard bottom shell, and a fixing block inserted in the injection molding hole is arranged on the flexible face shell.
By adopting the technical scheme, the hard bottom shell and the soft face shell are combined into a whole by injection molding, and the hard bottom shell and the soft face shell are tightly connected by utilizing intermolecular acting force during injection molding and a fixing block formed after injection molding, so that the service life of the anti-skidding knee pad is prolonged.
The present invention in a preferred example may be further configured to: the peripheral enhancement sand grip that has increased of district of moulding plastics, it is protruding to strengthen the sand grip orientation and deviate from the direction of blotter.
Through adopting above-mentioned technical scheme, improve the structural strength of the stereoplasm drain pan at district edge of moulding plastics to improve the overall structure intensity of antiskid knee-pad.
The present invention in a preferred example may be further configured to: a plurality of ribs are additionally arranged in the injection molding area, the ribs are arranged along the direction of a connecting line of the upper portion and the lower portion of the patella, and flow openings used for communicating the two side areas of the ribs are formed in the ribs.
Through adopting above-mentioned technical scheme, the setting up of bead makes can form the sand grip between adjacent bead when moulding plastics the soft face-piece to enlarged the area of contact between stereoplasm drain pan and the soft face-piece, thereby strengthened the connection wholeness between stereoplasm drain pan and the soft face-piece, and then can improve the integration degree of anti-skidding effect of anti-skidding knee-pad and put the puncture effect.
The present invention in a preferred example may be further configured to: a connecting strip is additionally arranged in the injection molding area, the connecting strip is arranged in a U shape, and the opening of the connecting strip faces to the bottom of the patella; the connecting strip and the edge of the injection molding area are arranged at intervals, and the connecting strip is also provided with a circulation port for communicating areas on two sides of the connecting strip; all the convex edges are located in the area defined by the connecting strips, and one ends of the convex edges are connected to the closed ends of the connecting strips.
Through adopting above-mentioned technical scheme, the wholeness between the reinforcing bead has improved the overall structure intensity of stereoplasm drain pan in the district part of moulding plastics.
The present invention in a preferred example may be further configured to: a plurality of anti-slip strips are additionally arranged on one side, away from the hard bottom shell, of the flexible face shell, and the anti-slip strips are arranged corresponding to the convex ribs.
Through adopting above-mentioned technical scheme, improve the antiskid effect of soft face-piece, the antislip strip corresponds the bead setting and makes the whole thickness of soft face-piece unanimous relatively to practice thrift the material of preparation soft face-piece, reduced the cost of production antiskid knee-pad.
The present invention in a preferred example may be further configured to: the hole of moulding plastics corresponds one of them bead setting, and this bead has seted up the circulation passageway corresponding the region that is provided with the hole of moulding plastics.
Through adopting above-mentioned technical scheme, when the hole of moulding plastics corresponds one of them bead setting, because the position that the flexible face-piece corresponds the bead can set up the antislip strip, just also means that the flexible face-piece material of the hole position of moulding plastics uses thickness can be bigger to the joint strength between fixed block and the hole of moulding plastics has been improved.
The present invention in a preferred example may be further configured to: the hard bottom shell is further provided with a plurality of positioning holes, and the flexible face shell is provided with positioning blocks inserted in the positioning holes.
Through adopting above-mentioned technical scheme, further improve the connection wholeness and the joint strength between stereoplasm drain pan and the flexible face-piece.
The invention also aims to provide a preparation method of the protective knee pad.
The second aim of the invention is realized by the following technical scheme:
a preparation method of an anti-slip knee pad comprises the following steps:
s1, forming a hard bottom shell;
preparing molten PP, a bottom shell mold and a first injection molding machine; installing a top die and a bottom die of a bottom shell die on a first injection molding machine, injecting molten PP (polypropylene) into a cavity formed by the bottom shell die, cooling and demolding to form a hard bottom shell;
s2, forming the flexible face shell;
preparing molten TPE, a face shell mold and a second injection molding machine; installing a top mold and a bottom mold of the face shell mold on a second injection molding machine, covering the concave side of the hard bottom shell upwards on the bottom mold of the face shell mold, and driving the top mold of the face shell mold to be tightly propped against the upper part of the hard bottom shell; injecting the molten TPE between the bottom die and the hard bottom shell of the surface shell die through an injection molding hole of the hard bottom shell, cooling, demolding and forming a flexible surface shell fixed on the hard bottom shell, and enabling the hard bottom shell and the flexible surface shell to jointly form a shell;
s3, sewing the cushion pad and the shell;
the concave side of the shell is covered on the convex side of the cushion pad with the connecting piece, and the edge of the shell and the cushion pad are sewed.
Through adopting above-mentioned technical scheme, regard the stereoplasm drain pan as the top limit structure of the flexible face-piece in-process of moulding plastics to make can zonulae occludens between flexible face-piece and the stereoplasm drain pan, support tightly in one side of stereoplasm drain pan indent through the top mould of face-piece mould simultaneously, make joint strength between stereoplasm drain pan and the flexible face-piece even more.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the shell is formed by combining the hard bottom shell and the soft face shell, so that the anti-skidding kneecap has an anti-skidding effect and can prevent puncture, and the safety of the anti-skidding kneecap in the using process is improved;
2. the injection molding hole on the hard bottom shell is used as one connecting point between the flexible face shell and the hard bottom shell, and the fixed block on the flexible face shell is inserted into the injection molding hole to realize better connection between the hard bottom shell and the flexible face shell.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall structure of the convex side of the rigid bottom shell;
FIG. 3 is a schematic view of the overall construction of the convex side of the housing;
fig. 4 is an overall structure diagram of the concave side of the housing.
In the figure, 1, a housing; 2. a cushion pad; 21. a positioning column; 211. a limiting plate; 3. a connecting member; 31. a first connection assembly; 311. locking the cloth strips; 312. a Chinese character 'ri' button; 313. buckling the plate; 32. a second connection combination; 4. adjusting the cloth piece; 41. magic tape hair side; 5. fixing the cloth piece; 51. a first hook-and-loop fastener surface; 52. a second hook-and-loop fastener surface; 6. a rigid bottom shell; 61. an extension portion; 611. a ring groove; 62. a convex strip; 63. a top puncture resistant surface; 631. a groove; 64. a lateral puncture-proof surface; 65. an injection molding zone; 651. a rib; 652. injection molding holes; 653. positioning holes; 654. a flow-through channel; 66. reinforcing ribs; 67. a connecting strip; 7. a flexible face shell; 71. anti-slip strips; 72. a fixing strip; 73. a fixed block; 74. positioning blocks; 8. a flow port.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, the anti-slip knee pad disclosed in the present application comprises a cushion pad 2 and a shell 1 sewed on one side of the projection of the cushion pad 2, wherein two sides of the cushion pad 2 are provided with connecting pieces 3. The connecting member 3 includes a first connecting assembly 31 and a second connecting assembly 32, when the cushion pad 2 covers the outer portion of the patella, the first connecting assembly 31 is tied to the outer portion of the calf above the patella, and the second connecting assembly 32 is tied to the outer portion of the thigh below the patella.
The first connecting assembly 31 includes a locking cloth 311, a buckle 312 and a buckle 313. The locking cloth strips 311 are elastic cloth strips which can be stretched along the length direction; one end of the locking cloth strip 311 is sewn to one side of the cushion pad 2, and the other end passes through the turnbuckle 312, so that the length of the turnbuckle 312 and the end of the locking cloth strip 311 connected to the cushion pad 2 can be changed by adjusting the length of the locking cloth strip 311 passing between one end of the turnbuckle 312 and the turnbuckle 312. The buckle plate 313 is provided with an insertion hole which is arranged from one end of the buckle plate 313 far away from the Chinese character 'ri' buckle 312 to one end close to the Chinese character 'ri' buckle 312 in an expanding way. And a positioning column 21 is fixed on one side of the cushion pad 2 away from the side sewed with the locking cloth strip 311, and a limiting plate 211 with a section larger than that of the positioning column 21 is arranged at the suspended end of the positioning column 21. The limiting plate 211 can be cup jointed to the great one end in buckle 313 cross-section outside, then the pulling buckle 313 makes the less one end in buckle 313 upper segment cup joint in the reference column 21 outside, and the cross-section of the less one end in buckle 313 upper segment is less than the limiting plate 211 to lock buckle 313 position.
The second connecting assembly 32 comprises an adjusting cloth piece 4 sewed on one side of the locking cloth strip 311 sewed on the cushion pad 2 and a fixing cloth piece 5 sewed on the opposite side of the cushion pad 2, wherein the adjusting cloth piece 4 and the fixing cloth piece 5 are made of elastic bands. The hook and loop fastener matt surface 41 is sewn at the suspended end of the adjusting cloth piece 4, and the hook and loop fastener matt surface 41 extends to the outside of the adjusting cloth piece 4 to form a suspended end. The fixed cloth piece 5 is sewed with a first hook and loop surface 51 and a second hook and loop surface 52, and the first hook and loop surface 51 and the second hook and loop surface 52 are arranged at intervals and used for matching people with different thigh sizes. The first hook and loop fastener 51 is close to the cushion pad 2, and the second hook and loop fastener 52 is far from the cushion pad 2. Because when the magic tape matt surface 41 is fixedly attached to the first magic tape hooking surface 51, the magic tape matt surface 41 is necessarily attached to the second magic tape hooking surface 52, so that the area of the first magic tape hooking surface 51 is smaller than that of the second magic tape hooking surface 52, and materials are saved.
The shell 1 comprises a hard bottom shell 6 sewed on the cushion pad 2 and a flexible face shell 7 arranged on one side of the hard bottom shell 6 far away from the cushion pad 2. The hard bottom shell 6 is made of PP material, and the soft face shell 7 is made of TPE material.
Referring to fig. 2, the overall shape of rigid bottom shell 6 corresponds to the kneecap, and this is an edge of rigid bottom shell 6 having a ring of extension 61, and extension 61 is recessed inward toward the side of rigid bottom shell 6 to form a ring groove 611. When the rigid bottom shell 6 is sewn to the cushion pad 2, the sewing thread is positioned in the ring groove 611. The raised lines 62 are added to the edge of the rigid bottom shell 6 close to the ring groove 611, so that the structural strength of the edge of the rigid bottom shell 6 can be improved.
With reference to fig. 1 and 2, the positions of the hard bottom shell 6 corresponding to the top and the two sides of the patella are both arc surfaces protruding towards the direction away from the cushion pad 2, the position of the hard bottom shell 6 corresponding to the top of the patella forms a top anti-puncture surface 63, and the positions of the hard bottom shell 6 corresponding to the two sides of the patella form two side anti-puncture surfaces 64. The edge of the top anti-puncture surface 63 is formed with a T-shaped groove 631, the open end of the groove 631 is connected to the ring groove 611, and two sides of the groove 631 connected to the ring groove 611 are inclined toward the side of the area surrounded by the groove 631, so as to improve the structural strength of the top anti-puncture surface 63.
One side of the hard bottom shell 6 protruding is recessed to form an injection molding area 65, and one side of the injection molding area 65 corresponding to the lower part of the patella is overlapped with the convex strip 62. The periphery of the injection molding area 65 is added with a reinforcing rib 66, and the reinforcing rib 66 is protruded towards the direction departing from the cushion pad 2. The reinforcing rib 66 is provided in a U-shape, and the opening of the reinforcing rib 66 corresponds to the portion of the injection molding zone 65 that overlaps the rib 62.
Three mutually parallel and spaced convex edges 651 are additionally arranged in the injection molding area 65, the convex edges 651 are arranged along the connecting line direction of the upper part and the lower part of the patella, and the convex edge 651 in the middle corresponds to the central line of the injection molding area 65. The connecting strips 67 are arranged on the peripheries of the three convex ribs 651, the connecting strips 67 are arranged in a U shape, the connecting strips 67 and the edges of the injection molding area 65 are arranged at intervals, and the openings of the connecting strips 67 face the bottom of the patella. The three ribs 651 are all located in the area enclosed by the connecting strip 67, and one end of the rib 651 is connected to the closed end of the connecting strip 67.
The middle part of the convex rib 651 positioned in the middle is provided with a disconnected arrangement to form a flow channel 654, a penetrating injection molding hole 652 is formed in the injection molding area 65 corresponding to the flow channel 654, and the injection molding hole 652 is positioned in the center of the injection molding area 65. The rib 651 and the connecting strip 67 are both provided with a through hole 8 for communicating each area of the injection molding area 65 separated by the rib 651 and the connecting strip 67. Two positioning holes 653 are formed between the adjacent ribs 651, and the two positioning holes 653 are respectively located on two sides of the injection molding hole 652 and respectively arranged corresponding to the upper portion and the lower portion of the patella.
And, all above-mentioned structures that stereoplasm drain pan 6 and upper portion set up are all in an organic whole through moulding plastics and set up.
The flexible face shell 7 is injected in the injection molding area 65 and is integrated with the hard bottom shell 6, and the flexible face shell 7 is made of TPE materials. Three anti-slip strips 71 are formed at the positions, corresponding to the convex ribs 651, of one side, away from the hard bottom shell 6, of the flexible face shell 7, and integral fixing strips 72 formed by the three anti-slip strips 71 are further formed at the positions, corresponding to the connecting strips 67, of the flexible face shell 7. One side of the antiskid strip 71 and one side of the positioning strip departing from the hard bottom shell 6 are both provided with frosted surfaces so as to improve the friction force.
During injection of the flexible panel shell 7, the injection molding material enters the injection molding hole 652 and forms the fixing block 73 after cooling, and the injection molding material enters the positioning hole 653 and forms the positioning block 74 after cooling. In order to improve the limiting effect of the fixing block 73 and the positioning block 74 on the flexible face shell 7, the cross section of the injection molding hole 652 and the positioning hole 653 facing the cushion pad 2 is larger than the cross section facing the flexible face shell 7.
With reference to fig. 1-4, the present application also discloses a method for making an anti-slip knee pad, comprising the steps of:
s1, molding the hard bottom shell 6;
molten PP, bottom shell mold and first injection molding machine were prepared. And installing a top die and a bottom die of the bottom shell die on the first injection molding machine, wherein the top die and the bottom die of the bottom shell die are both vertically arranged on the first injection molding machine. Remove the top mould horizontal migration on the first injection molding machine and contradict until top mould and die block, inject fused PP in the cavity that the drain pan mould formed, utilize the heat sink directly to the drain pan mould cool down make the PP material cool off and form stereoplasm drain pan 6, start the top mould of 1 mould of casing and make it keep away from the die block, take off stereoplasm drain pan 6. The hard bottom shell 6 taken down from the first injection molding machine is placed on the desktop with the convex side facing upwards, and the balancing weight is placed on the convex side of the hard bottom shell 6 to press the convex side downwards, so that the injection molding of the soft surface shell 7 in the later period is facilitated. This operation is repeated to form a plurality of rigid bottom cases 6.
S2, molding the flexible face shell 7;
a molten TPE, a face shell mold and a second injection molding machine were prepared. And (3) installing a top die and a bottom die of the surface shell die on the injection molding machine, and horizontally installing the top die and the bottom die of the surface shell die. The concave side of the hard bottom shell 6 is upwards covered on the bottom die of the shell die, and the convex side of the hard bottom shell 6 is pressed down by the counter weight in the previous step, so that the situation that the hard bottom shell 6 directly falls into the bottom die of the shell die can not occur. The top die of the face shell die is driven to be abutted against the upper side of the hard bottom shell 6, so that the surface of the face shell die can be in full contact with the concave side of the hard bottom shell 6. The bottom die and the hard bottom shell 6 of the face shell mold are filled with molten TPE through the injection molding hole 652 of the hard bottom shell 6, the face shell mold is directly cooled by the cooling device, so that the soft face shell 7 is formed after the TPE material is cooled, and the hard bottom shell 6 and the soft face shell 7 jointly form the shell 1. And starting the top die of the shell die to move upwards for demoulding, and taking the shell 1 off the top die. The processing is repeated in this way to form a plurality of face shells.
S3, sewing the cushion pad 2 and the shell 1;
the concave side of the shell 1 is covered on the convex side of the cushion pad 2 with the connecting piece 3, and the ring groove 611 at the edge of the hard bottom shell 6 and the cushion pad 2 are sewed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. An anti-slip knee pad comprises a cushion pad (2) and a shell (1) arranged on one side of a bulge of the cushion pad (2), wherein connecting pieces (3) are arranged on two sides of the cushion pad (2); the method is characterized in that: the shell (1) comprises a hard bottom shell (6) connected to the buffer pad (2) and a flexible face shell (7) connected to one side, far away from the buffer pad (2), of the hard bottom shell (6).
2. A slip-resistant knee pad according to claim 1 wherein: the positions of the hard bottom shell (6) corresponding to the top and the two sides of the patella are both arranged towards the cambered surface protruding away from the direction of the cushion pad (2), the top of the position of the hard bottom shell (6) corresponding to the top of the patella forms a top anti-puncture surface (63), and the positions of the hard bottom shell (6) corresponding to the two sides of the patella form two side anti-puncture surfaces (64).
3. A slip-resistant knee pad according to claim 1 or 2, wherein: one side of the hard bottom shell (6) protruding is sunken to form an injection molding area (65), and an injection molding hole (652) penetrating through the hard bottom shell (6) is formed in the injection molding area (65); the flexible face shell (7) is injected into the injection molding area (65) and is integrated with the hard bottom shell (6), and a fixing block (73) inserted into the injection molding hole (652) is arranged on the flexible face shell (7).
4. A slip-resistant knee pad according to claim 3 wherein: the periphery of the injection molding area (65) is additionally provided with a reinforcing convex strip (66), and the reinforcing convex strip (66) protrudes towards the direction departing from the cushion pad (2).
5. A slip-resistant knee pad according to claim 3 wherein: a plurality of convex edges (651) are additionally arranged in the injection molding area (65), the convex edges (651) are arranged along the direction of a connecting line between the upper part and the lower part of the patella, and the convex edges (651) are provided with flow ports (8) used for communicating areas on two sides of the convex edges (651).
6. A slip-resistant knee pad according to claim 5, wherein: a connecting strip (67) is additionally arranged in the injection molding area (65), the connecting strip (67) is arranged in a U shape, and the opening of the connecting strip (67) faces to the bottom of the patella; the connecting strip (67) and the edge of the injection molding area (65) are arranged at intervals, and the connecting strip (67) is also provided with a circulating port (8) for communicating areas on two sides of the connecting strip (67); all the convex ribs (651) are located in the area enclosed by the connecting strips (67), and one end of each convex rib (651) is connected to the closed end of each connecting strip (67).
7. A slip-resistant knee pad according to claim 5, wherein: a plurality of anti-slip strips (71) are additionally arranged on one side, away from the hard bottom shell (6), of the flexible face shell (7), and the anti-slip strips (71) are arranged corresponding to the convex ribs (651).
8. The anti-slip knee brace according to claim 7, wherein: the injection molding holes (652) are arranged corresponding to one of the convex ribs (651), and the convex rib (651) is provided with a circulation channel (654) corresponding to the area of the injection molding holes (652).
9. A slip-resistant knee pad according to claim 8 wherein: the hard bottom shell (6) is further provided with a plurality of positioning holes (653), and the flexible face shell (7) is provided with positioning blocks (74) inserted into the positioning holes (653).
10. A method of making an anti-slip knee brace according to claim 3, wherein: the method comprises the following steps:
s1, molding the hard bottom shell (6);
preparing molten PP, a bottom shell mold and a first injection molding machine; installing a top die and a bottom die of a bottom shell die on a first injection molding machine, injecting molten PP (polypropylene) into a cavity formed by the bottom shell die, cooling and demolding to form a hard bottom shell (6);
s2, molding the flexible face shell (7);
preparing molten TPE, a face shell mold and a second injection molding machine; installing a top mold and a bottom mold of the face shell mold on a second injection molding machine, covering the concave side of the hard bottom shell (6) upwards on the bottom mold of the face shell mold, and driving the top mold of the face shell mold to be tightly propped against the upper part of the hard bottom shell (6); injecting the molten TPE between a bottom die and the hard bottom shell (6) of the face shell die through an injection molding hole (652) of the hard bottom shell (6), cooling, demolding and forming a flexible face shell (7) fixed on the hard bottom shell (6), and enabling the hard bottom shell (6) and the flexible face shell (7) to jointly form the shell (1);
s3, sewing the cushion pad (2) and the shell (1);
covering the concave side of the shell (1) on the convex side of the cushion pad (2) with the connecting piece (3), and sewing the edge of the shell (1) and the cushion pad (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642727.5A CN111657582B (en) | 2020-07-06 | 2020-07-06 | Anti-slip knee pad and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642727.5A CN111657582B (en) | 2020-07-06 | 2020-07-06 | Anti-slip knee pad and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111657582A true CN111657582A (en) | 2020-09-15 |
| CN111657582B CN111657582B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010642727.5A Active CN111657582B (en) | 2020-07-06 | 2020-07-06 | Anti-slip knee pad and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478720A (en) * | 2021-06-04 | 2021-10-08 | 汤水霞 | Can eliminate knee-pad forming device for AR equipment of bubble |
| CN113841953A (en) * | 2021-10-18 | 2021-12-28 | 杭州大方工具有限公司 | Anti-puncture anti-slip knee pad |
| EP4368050A1 (en) * | 2022-09-28 | 2024-05-15 | Milwaukee Electric Tool Corporation | Protective knee wear |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247963Y (en) * | 1995-12-27 | 1997-02-26 | 河南省偃师市环球鞋厂 | Combined shoe sole |
| CN201299128Y (en) * | 2007-08-07 | 2009-09-02 | 旅行柜有限公司 | A civil knee protection device |
| CN202454722U (en) * | 2012-02-01 | 2012-09-26 | 王辉 | Watch strap with antenna |
| CN202697788U (en) * | 2012-07-10 | 2013-01-30 | 徐义勋 | Sports protection gear |
| CN205390395U (en) * | 2016-02-16 | 2016-07-27 | 马睿 | Human knee -pad elbow pad |
| CN208387930U (en) * | 2018-06-22 | 2019-01-18 | 杭州大方工具有限公司 | A kind of knee-pad |
| CN208387932U (en) * | 2018-06-22 | 2019-01-18 | 杭州大方工具有限公司 | A kind of knee-pad with changeable protection layer |
-
2020
- 2020-07-06 CN CN202010642727.5A patent/CN111657582B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247963Y (en) * | 1995-12-27 | 1997-02-26 | 河南省偃师市环球鞋厂 | Combined shoe sole |
| CN201299128Y (en) * | 2007-08-07 | 2009-09-02 | 旅行柜有限公司 | A civil knee protection device |
| CN202454722U (en) * | 2012-02-01 | 2012-09-26 | 王辉 | Watch strap with antenna |
| CN202697788U (en) * | 2012-07-10 | 2013-01-30 | 徐义勋 | Sports protection gear |
| CN205390395U (en) * | 2016-02-16 | 2016-07-27 | 马睿 | Human knee -pad elbow pad |
| CN208387930U (en) * | 2018-06-22 | 2019-01-18 | 杭州大方工具有限公司 | A kind of knee-pad |
| CN208387932U (en) * | 2018-06-22 | 2019-01-18 | 杭州大方工具有限公司 | A kind of knee-pad with changeable protection layer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478720A (en) * | 2021-06-04 | 2021-10-08 | 汤水霞 | Can eliminate knee-pad forming device for AR equipment of bubble |
| CN113478720B (en) * | 2021-06-04 | 2024-05-03 | 南京鸣腾信息技术有限公司 | Can eliminate knee-pad forming device for AR equipment of bubble |
| CN113841953A (en) * | 2021-10-18 | 2021-12-28 | 杭州大方工具有限公司 | Anti-puncture anti-slip knee pad |
| CN113841953B (en) * | 2021-10-18 | 2023-08-08 | 杭州大方工具有限公司 | Puncture-resistant sliding-resistant knee pad |
| EP4368050A1 (en) * | 2022-09-28 | 2024-05-15 | Milwaukee Electric Tool Corporation | Protective knee wear |
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| Publication number | Publication date |
|---|---|
| CN111657582B (en) | 2023-03-31 |
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