CN110881747A - Fire-fighting shoes and manufacturing method thereof - Google Patents
Fire-fighting shoes and manufacturing method thereof Download PDFInfo
- Publication number
- CN110881747A CN110881747A CN201911261904.9A CN201911261904A CN110881747A CN 110881747 A CN110881747 A CN 110881747A CN 201911261904 A CN201911261904 A CN 201911261904A CN 110881747 A CN110881747 A CN 110881747A
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- CN
- China
- Prior art keywords
- heel
- shoe
- groove
- side wall
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
Abstract
The invention discloses a fire-fighting shoe and a manufacturing method thereof, the fire-fighting shoe comprises a heel and a shoe body, the heel and the shoe body are detachably connected, the bottom of the heel of the shoe body is provided with a first groove, the top of the heel is provided with a second groove, a spring is arranged between the heel and the shoe body, one end of the spring is propped against the bottom of the first groove, the other end of the spring is propped against the bottom of the second groove, the top and the bottom of the heel are both of rigid bottom plate structures, the side wall of the heel is made of deformable materials, a thickening layer extends out of the outer side of the side wall, and a steel wire mesh interlayer is arranged between the inner side and. The heel of the fire-fighting shoe has certain elasticity, so that a firefighter can run up after wearing the fire-fighting shoe, and the fire-fighting shoe is more comfortable and lighter as a whole and can move freely.
Description
Technical Field
The invention relates to the technical field of fire-fighting accessories, in particular to a pair of fire-fighting shoes and a manufacturing method thereof.
Background
Unlike conventional boots, the fire-fighting shoes/boots are suitable for walking on any surface, have excellent protection against high temperature, heat flow and flame, have a vamp resistant to heat flow of 2W/cm2 for three minutes, and are fireproof. In addition, the shoe sole has excellent protection capability on common chemicals, and is smash-proof, puncture-proof, wear-resistant, and cut-proof on the shoe upper. In the prior art, the front end of the fire-fighting shoe adopts a steel head structure wrapping the whole instep, so that toes and instep are prevented from being injured by heavy objects, but the shoe is usually heavy and is not beneficial to the movement of a fireman in a fire fighting environment, so that the walking is very inconvenient to move comfortably.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a fire-fighting shoe, on the basis of fire prevention waterproof, its heel has certain elasticity for the firefighter can play the effect of run-up after wearing, makes the fire-fighting shoe whole comfortable light more, and the activity is freely moved.
The technical scheme adopted by the invention is as follows: the fire-fighting shoe comprises a heel and a shoe body, wherein the heel and the shoe body are detachably connected, a first groove is formed in the bottom of the heel of the shoe body, a second groove is formed in the top of the heel, a spring is arranged between the heel and the shoe body, one end of the spring abuts against the bottom of the first groove, the other end of the spring abuts against the bottom of the second groove, the top and the bottom of the heel are of rigid bottom plate structures, the side wall of the heel is made of deformable materials, a thickening layer extends out of the outer side of the side wall, and a steel wire mesh interlayer is arranged between the inner side and the outer side of the side wall of.
Preferably, the heel and the shoe body are in threaded connection.
Preferably, the top of the heel is provided with an external thread, the shoe body is provided with an internal thread, and the heel and the shoe body are in threaded connection.
Preferably, a plurality of bulges which are uniformly distributed are respectively arranged at the bottom edges of the first groove and the second groove, and the spring is abutted against the end face of each bulge.
Preferably, the thickening layer is arc-shaped and convex outwards, and the highest point of the arc is located at the middle position of the side wall.
Preferably, asbestos is arranged on the inner side of the side wall of the heel.
The invention also provides a method for manufacturing the fire-fighting shoe, which comprises the following steps:
s1, placing the raw materials in a mold of an injection molding machine, and demolding after plasticizing, foaming and cooling to form the sole;
s2, separating the heel part of the sole from the first groove and cutting threads;
s3, placing the raw materials in an injection molding machine die to refine a shoe body blank, and trimming and forming the vamp to form the vamp;
s4, arranging a heating device on the upper surface of the sole to make the contact part of the sole and the vamp hot melt and bond to form a shoe body;
s5, placing the raw materials in an injection molding machine mould, and forming the outer layer of the heel through plasticizing, foaming and cooling;
s6, covering a steel wire mesh interlayer on the inner side wall of the outer layer of the heel, extruding raw materials through an injection molding machine, and covering the steel wire mesh interlayer to form the bottom and the side wall of the heel;
s7, placing the raw materials in an injection molding machine mould, and forming the top of the heel through plasticizing, foaming and cooling;
s8, penetrating the top of the heel, and cutting threads on the outer wall of the top of the heel;
s9, arranging a heating device on the lower surface of the top of the heel to enable the top of the heel to be combined with the side wall of the heel in a hot melting mode to form the heel;
and S10, placing the spring in the heel and connecting the heel and the shoe body through threads.
Preferably, in step S10, a layer of asbestos is placed between the spring and the inner wall of the heel.
The fire-fighting shoes manufactured by the manufacturing method have the advantages that the heels and the shoe bodies are detachable and provided with the springs, so that when the feet of the fire-fighting shoes step on the ground, the heels have certain buffering elasticity, the fire-fighting shoes are comfortable and light, a firefighter can run, and the fire-fighting shoes play an important role in the process of fighting fire and fighting people for minutes and seconds.
Drawings
FIG. 1 is a schematic diagram of the present invention.
The shoe comprises a heel 1, a heel 2, a shoe body 3, a first groove 4, a second groove 5, a spring 6, a thickening layer 7, a steel wire mesh interlayer 8 and a protrusion.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figure 1, the shoe comprises a heel 1 and a shoe body 2, the heel 1 is detachably connected with the shoe body 2, the bottom of the heel of the shoe body 2 is provided with a first groove 3, the top of the heel 1 is provided with a second groove 4, a spring 5 is arranged between the heel 1 and the shoe body 2, one end of the spring 5 is abutted against the bottom of the first groove 3, the other end is abutted against the bottom of the second groove 4, the top and the bottom of the heel 1 are both rigid bottom plate structures, the rigid bottom plate structure is a rubber material structure with higher hardness and wear resistance in the embodiment, the side wall of the heel 1 is made of a deformable material, as a foot steps on the shoe to apply force to the shoe sole, the force applied by the heel 1 is pressed to the spring 5 which is abutted against the shoe sole, the spring 5 is compressed, the side wall of the heel 1 is also bent and deformed along with the foot step, therefore, the spring 5 can generate certain elastic buffering, so that a fireman wearing the shoe can advance in an assisting manner, the shoes are very easy, the action burden of the fireman is relieved, and the rescue efficiency is improved.
Further, the heel 1 and the shoe body 2 are in threaded connection, and the connection mode is convenient to assemble and disassemble, convenient to process and simple and firm in structure.
Further setting, the top of the heel 1 is provided with an external thread, the shoe body 2 is provided with an internal thread, the heel 1 and the shoe body 2 are in threaded connection, at the joint, the shoe body 2 is outside, and the heel 1 is inside, so that the waterproof effect can be achieved, and water accumulation is not easy to occur.
The bottom edges of the first groove 3 and the second groove 4 are respectively provided with a plurality of bulges 8 which are uniformly distributed, and the spring 5 is propped against the end faces of the bulges 8.
The bottom of the first groove 3 is uniformly distributed with more than two fixing seats, correspondingly, the bottom of the second groove 4 is also provided with corresponding fixing seats, and the fixing seats of the first groove 3 and the second groove 4 are respectively used for limiting and fixing two ends of a spring 5.
The thickening layer 6 is arc-shaped and protrudes outwards 8, and the highest point of the arc is positioned in the middle of the side wall.
Asbestos is arranged on the inner side of the side wall of the heel 1.
It is further provided that the spring 5 is a spring 5, or a leaf spring.
Spring 5 quantity is one, and first recess 3 is equipped with a plurality of evenly distributed's arch 8 respectively with 4 bottom edges of second recess, and spring 5 supports on protruding 8 terminal surfaces, strikes the recess bottom when avoiding long-time spring 5 to stretch out and draw back, and spring 5 and arch 8 are the point contact for spring 5 atress is more even, prevents that spring 5 compression torsion from producing the deviation, influences the comfort level. The spring 5 requires a greater strength and toughness, specific values not being superfluous here.
In addition, the thickening layer 6 extends out of the side wall of the heel 1, the thickening layer 6 is arc-shaped and protrudes outwards 8, the arc-shaped highest point is located in the middle position of the side wall, along with the extension and contraction of the heel 1 along with the spring 5, the side wall of the heel 1 also correspondingly extends and contracts, the thickening layer 6 can effectively prevent the soft material of the side wall from being broken due to long-time bending deformation, the arc-shaped highest point is located in the middle position of the side wall because the side wall of the heel 1 is usually outwardly bent and deformed when the heel 1 is compressed, the bending folding position of the side wall is usually located at the middle point of the height of the side wall, and the middle point is a high-hair position where the side wall of the heel 1 is broken.
Be equipped with a wire net intermediate layer 7 between 1 lateral wall inboard of heel and the outside, wire net intermediate layer 7 has certain ductility, can not only prevent 1 lateral wall fracture of heel, can also prevent that 1 soft lateral wall of heel is impaired, compares the steel sheet, more has light advantage.
In addition, the manufacturing method of the fire-fighting shoe is provided, which directly heats and fuses the shoe body 2 and the heel 1 together by extruding colloid and forming through an injection molding machine, and comprises the following specific steps:
s1, placing the colloid raw material in an injection molding machine mold, wherein the mold is an open-type sole-shaped mold, and because the sole structure is simple, the mold is easy to demold, the demolding is carried out after plasticizing, foaming and cooling, the foaming raw material is granular material before plasticizing and foaming, and the foaming material is obtained after being processed by the injection molding machine;
s2, separating the heel 1 of the sole into a first groove 3, cutting threads on the peripheral wall of the first groove 3, wherein the cross section of the first groove 3 needs to be matched with the cross section of the corresponding heel 1, the cross section of the first groove is 5cm square, the cutting depth of the thread is half of the depth of the first groove, namely, when the inner wall of the first groove is viewed from the height direction, half of the thread is cut and half of the thread is in a smooth state, the thread is positioned at the bottom end part of the first groove, and the smooth state is in the opening direction of the first groove, so the design aim is that after the heel is arranged in the first groove, because the heel is rubbed by the ground and is subjected to radial friction force, the top of the heel can generate radial shaking on the bottom of the first groove, the thread matching strengthens the friction between the top of the heel and the inner wall of the bottom of the first groove, and the movement between the top of the heel and the inner wall of the bottom of the first groove can be effectively avoided;
s3, putting the colloid raw material into an injection molding machine mould to refine the shoe body 2 blank, wherein the mould is similar to a shoe tree structure, and trimming and forming the vamp to form the vamp;
s4, arranging a heating device on the upper surface of the sole, wherein the heating device can be a small-sized hot melting machine, a heating mould of the heating device is used for hot melting a circle or spot melting along the upper surface of the sole, and the sole is only hot melted and the vamp is not hot melted because the vamp is relatively thin and is easy to form large-area deformation after hot melting;
s5, placing the colloid raw material in an injection molding machine mould, and forming the outer layer of the heel 1 through plasticizing, foaming and cooling, wherein the principle is the same as that of the step S1;
s6, covering a steel wire mesh interlayer 7 on the inner side wall of the outer layer of the heel 1, extruding raw materials through an injection molding machine, covering the steel wire mesh interlayer 7, and forming the bottom and the side wall of the heel 1, wherein the bottom and the side wall enclose a second groove 4, it is to be noted that the steel wire mesh interlayer is covered in a manner of overlapping layer by layer, each layer of the steel wire mesh interlayer is in a square grid shape, 1mm is staggered between one layer and another layer, and square grids are usually covered by 5-6 layers, so that the steel wire mesh interlayer forms a fine and solid protection net, and the square grids are horizontally arranged, which is different from the conventional diamond grids, and the diamond grids are easily twisted or stacked on the curved surface due to the fact that the surface of the shoe body is a curved surface, and one square grid of the shoe body is provided with a plurality of steel wires, so that the steel;
s7, placing the colloid raw material in an injection molding machine mould, and forming the top of the heel 1 through plasticizing, foaming and cooling, wherein the principle is the same as that of the step S1;
s8, the top of the heel 1 penetrates through the hole, threads are cut on the outer wall of the top of the heel 1, and the size of the threads is matched with that of the threads in the step S6;
s9, arranging a heating device on the lower surface of the top of the heel 1, and performing hot melting combination on the top of the heel 1 and the side wall of the heel 1 to form the heel 1 in the same operation principle as the step S4, wherein the side wall of the heel 1 is made of soft materials, so that a tool fixture is required to fix the heel 1 in the hot melting process, a U-shaped support is usually adopted, the U-shaped support can be embedded and fixed on the side wall of the heel 1, and the side wall of the heel 1 is prevented from being heated to cause redundant deformation in the hot melting process;
s10, placing the spring 5 in the second groove 4 of the heel 1 and connecting the heel 1 and the shoe body 2 through screw threads.
Further setting, place the asbestos layer between spring 5 and the heel 1 inner wall in step S10, prevent that heel 1 lateral wall high temperature is heated for a long time.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a fire control shoes, a serial communication port, it includes heel and the shoes body, be connected for dismantling between heel and the shoes body, shoes body heel bottom is opened there is first recess, the heel top is opened there is the second recess, be equipped with a spring between heel and the shoes body, spring one end supports in first recess bottom, the other end supports in second recess bottom, heel top and bottom are rigid bottom plate structure, the heel lateral wall is made by the material that can deform, and the lateral wall outside extends the thickening layer, be equipped with a wire net intermediate layer between heel lateral wall inboard and the outside.
2. A fire fighting shoe as defined in claim 1, wherein: the heel and the shoe body are in threaded connection.
3. A fire fighting shoe as defined in claim 2, wherein: the top of the heel is provided with external threads, the shoe body is provided with internal threads, and the heel is in threaded connection with the shoe body.
4. A fire fighting shoe as defined in claim 1, wherein: the bottom edges of the first groove and the second groove are respectively provided with a plurality of bulges which are uniformly distributed, and the springs are propped against the end faces of the bulges.
5. A fire fighting shoe as defined in claim 1, wherein: the thickening layer is arc-shaped and protrudes outwards, and the highest point of the arc is positioned in the middle of the side wall.
6. A fire fighting shoe as defined in claim 1 or 5, wherein: asbestos is arranged on the inner side of the side wall of the heel.
7. A method of manufacturing a fire fighting footwear as claimed in claims 1 to 6, said method comprising the steps of:
s1, placing the raw materials in a mold of an injection molding machine, and demolding after plasticizing, foaming and cooling to form the sole;
s2, separating the heel part of the sole from the first groove and cutting threads;
s3, placing the raw materials in an injection molding machine die to refine a shoe body blank, and trimming and forming the vamp to form the vamp;
s4, arranging a heating device on the upper surface of the sole to make the contact part of the sole and the vamp hot melt and bond to form a shoe body;
s5, placing the raw materials in an injection molding machine mould, and forming the outer layer of the heel through plasticizing, foaming and cooling;
s6, covering a steel wire mesh interlayer on the inner side wall of the outer layer of the heel, extruding the raw materials by an injection molding machine and covering the steel wire mesh interlayer,
forming a heel bottom and a side wall, wherein the bottom and the side wall enclose a second groove;
s7, placing the raw materials in an injection molding machine mould, and forming the top of the heel through plasticizing, foaming and cooling;
s8, penetrating the top of the heel, and cutting threads on the outer wall of the top of the heel;
s9, arranging a heating device on the lower surface of the top of the heel to enable the top of the heel to be combined with the side wall of the heel in a hot melting mode to form the heel;
and S10, placing the spring in the heel and connecting the heel and the shoe body through threads.
8. A fire fighting shoe manufacturing method as recited in claim 7, wherein: in the step S10, an asbestos layer is arranged between the spring and the inner wall of the heel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261904.9A CN110881747A (en) | 2019-12-10 | 2019-12-10 | Fire-fighting shoes and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261904.9A CN110881747A (en) | 2019-12-10 | 2019-12-10 | Fire-fighting shoes and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110881747A true CN110881747A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911261904.9A Pending CN110881747A (en) | 2019-12-10 | 2019-12-10 | Fire-fighting shoes and manufacturing method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409745A (en) * | 1981-09-09 | 1983-10-18 | Fratelli Musci | Insole system for shoe with removably-mounted heel |
| CN201146880Y (en) * | 2007-11-26 | 2008-11-12 | 王玉祥 | Suitable shoes |
| CN201219550Y (en) * | 2008-05-16 | 2009-04-15 | 连斌 | Shoes with dismountable heels |
| WO2011000988A1 (en) * | 2009-07-01 | 2011-01-06 | Gedeca Desarrollo Del Calzado, S.L. | Heel for footwear |
| US20120137541A1 (en) * | 2010-12-07 | 2012-06-07 | Shelton Sports Co., Ltd. | Shock absorbing unit, sole and shoe having the same |
| CN202932161U (en) * | 2012-11-14 | 2013-05-15 | 新侨伟（福建）鞋服有限公司 | Seamless shoes |
| KR20130006544U (en) * | 2012-05-04 | 2013-11-13 | 김근서 | Elastic spring support inserted in the heel of the shoes |
| KR20130127341A (en) * | 2012-05-14 | 2013-11-22 | 유제우 | Shoes with complex elastic body |
| CN108209047A (en) * | 2017-11-27 | 2018-06-29 | 嘉兴市巨康实业有限公司 | A kind of work footwear |
| CN110292228A (en) * | 2019-05-13 | 2019-10-01 | 福建晋江市光宇鞋模有限公司 | A kind of integrated molding air inflation sole and preparation method thereof |
-
2019
- 2019-12-10 CN CN201911261904.9A patent/CN110881747A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409745A (en) * | 1981-09-09 | 1983-10-18 | Fratelli Musci | Insole system for shoe with removably-mounted heel |
| CN201146880Y (en) * | 2007-11-26 | 2008-11-12 | 王玉祥 | Suitable shoes |
| CN201219550Y (en) * | 2008-05-16 | 2009-04-15 | 连斌 | Shoes with dismountable heels |
| WO2011000988A1 (en) * | 2009-07-01 | 2011-01-06 | Gedeca Desarrollo Del Calzado, S.L. | Heel for footwear |
| US20120137541A1 (en) * | 2010-12-07 | 2012-06-07 | Shelton Sports Co., Ltd. | Shock absorbing unit, sole and shoe having the same |
| KR20130006544U (en) * | 2012-05-04 | 2013-11-13 | 김근서 | Elastic spring support inserted in the heel of the shoes |
| KR20130127341A (en) * | 2012-05-14 | 2013-11-22 | 유제우 | Shoes with complex elastic body |
| CN202932161U (en) * | 2012-11-14 | 2013-05-15 | 新侨伟（福建）鞋服有限公司 | Seamless shoes |
| CN108209047A (en) * | 2017-11-27 | 2018-06-29 | 嘉兴市巨康实业有限公司 | A kind of work footwear |
| CN110292228A (en) * | 2019-05-13 | 2019-10-01 | 福建晋江市光宇鞋模有限公司 | A kind of integrated molding air inflation sole and preparation method thereof |
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Application publication date: 20200317 |