Fire fighting helmet

Abstract

The utility model provides a fire-fighting helmet, which relates to the technical field of fire-fighting equipment, and comprises a helmet main body, two sides of the helmet main body are respectively provided with a hinge block, the outer side of each hinge block is provided with a protective cover, the inner side of the bottom of the helmet main body is respectively provided with a stabilizing seat, and the two stabilizing seats are symmetrically distributed. A penetrating hole is formed in the bottom of each stabilizing seat, and a set of locking assembly is installed on one side of each stabilizing seat. The protective cover and the goggles are arranged on the basis of the fire-fighting helmet, the protective cover can protect the face of a wearer, the protective cover and the goggles cooperate to form a comprehensive protection system for the head and the face, and damage of flames, high temperature, flying chips, harmful chemical substances and the like to firefighters can be effectively resisted; the extension spring enables the goggle structure to be in flexible contact according to different sizes of the head of a wearer, so that the wearing practicability and the protective sealing performance of the goggle structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field especially relates to fire helmet. BACKGROUND

[0002] In the process of fire fighting operation, firemen face many dangerous factors such as high temperature, flame, thick smoke, flying debris and various harmful chemical substances, the traditional fire helmet can protect the head from impact and high temperature damage to a certain extent, but there are many deficiencies for the protection of the eyes, therefore, on the basis of the helmet, the goggles are set to further protect the firemen, but the traditional helmet does not fully consider the comfort and stability of the firemen wearing for a long time in the design of the helmet and the goggles, therefore, the helmet and the goggles have the following deficiencies when wearing:

[0003] At present, the goggles installed in the fire helmet are divided into two kinds, one kind of fire helmet installed goggles is basically stabilized by means of screw, and the disassembly and replacement of the goggles need the help of screwdriver, so that the disassembly and replacement operation of the goggles is troublesome;

[0004] The other kind of goggles is directly installed in the fire helmet by means of the clamping block for simple positioning, so that the goggles fail due to fatigue in the repeated disassembly and wearing process;

[0005] Secondly, the installation position of the ordinary goggles is a fixed structure, due to the different size of the head of the wearer, therefore, the goggles will produce a distance with the face in the wearing process, which is easy to cause the smoke, dust and harmful substances in the air to enter the eye area;

[0006] In addition, the current goggles are of integral structure, therefore, when the lens of the goggles is damaged, the overall replacement cost is increased. CONTENT OF THE UTILITY MODEL

[0007] The utility model discloses a fire helmet, the positioning slot that is set up on both sides of upper stable frame and lower stable frame is used for installing lens, and the lens edge extends to the inside of the positioning slot, after the combination of upper stable frame and lower stable frame, the lens installation position is stabilized by means of the positioning slot, the cylindrical ladder structure sliding hole in the middle of upper stable frame and the thread groove in the middle of lower stable frame are connected through the positioning bolt, the thread groove realizes the thread locking function of the positioning bolt, and the supporting spring on the outside of the positioning bolt elastically presses upper stable frame, so that upper stable frame and lower stable frame are stably combined.

[0008] The first aspect of the present disclosure provides a fire helmet, specifically comprising: a helmet body, both sides of the helmet body are respectively provided with a hinged block, a protective cover is installed at the outer side of the hinged block, the bottom of the helmet body is respectively provided with a stable seat at the inner side, the two stable seats are symmetrically distributed, a through hole is formed at the bottom of the stable seat, a set of locking assemblies are respectively installed on one side of each stable seat, the locking assemblies are composed of a first positioning shell, a second positioning shell, a positioning rod, an elastic plate, a locking block and a push-pull block, a pair of goggles structure is installed between the two sets of locking assemblies, the goggles structure is composed of an upper stable frame, a lower stable frame, a positioning bolt and a lens.

[0009] Further, a sliding groove is formed on the inner side of the stable seat, the sliding groove is a T-shaped structure, a sliding block is respectively arranged on one side of the first positioning shell and the second positioning shell, the sliding block is an L-shaped structure, and the sliding block is installed in the sliding groove.

[0010] Further, both sides of the upper stable frame are respectively provided with a stable plate, two stable blocks are arranged on one side of the stable plate, two positioning holes are respectively formed on one side of the first positioning shell and the second positioning shell, and the stable blocks pass through the inside of the positioning holes.

[0011] Further, a sliding groove is formed on the inner side of the stable seat, the sliding groove is a T-shaped structure, a sliding block is respectively arranged on one side of the first positioning shell and the second positioning shell, the sliding block is an L-shaped structure, and the sliding block is installed in the sliding groove.

[0012] Further, a positioning rod is arranged on one side of the first positioning shell and the second positioning shell, two sliding holes are formed on one side of the stable seat, the positioning rod passes through the inside of the sliding hole, and a supporting spring and a clamping spring are arranged on the outside of the positioning rod.

[0013] Further, an elastic plate is arranged on the inner side of the first positioning shell and the second positioning shell, a set of locking teeth are arranged on one side of the elastic plate, and a set of locking grooves corresponding to the locking teeth are formed on one side of the push-pull block.

[0014] Further, a positioning groove is formed on both sides of the upper stable frame and the lower stable frame, two lenses are arranged in the inner side of the positioning groove, and the edge of the lens extends to the inside of the positioning groove.

[0015] Further, a positioning block is arranged on both sides of the upper stable frame, the positioning block is a cylindrical structure, the positioning block can also be a rectangular structure, and a sliding groove is formed on both sides of the lower stable frame, the positioning block extends to the inside of the sliding groove.

[0016] Furthermore, a sliding hole is provided in the middle of the upper stabilizing frame. The sliding hole has a cylindrical stepped structure. A threaded groove is provided in the middle of the lower stabilizing frame. The positioning bolt passes through the sliding hole and the threaded groove and is threadedly connected. A support spring is installed on the outside of the positioning bolt.

[0017] This utility model provides a fire helmet, which has the following beneficial effects:

[0018] The fire helmet is equipped with a protective shield and goggles. The protective shield can protect the wearer's face and, together with the goggles, forms a comprehensive protection system for the head and face, which can effectively resist the damage to firefighters caused by flames, high temperatures, flying debris, and harmful chemicals.

[0019] Specifically, the lenses are positioned by a stabilizing bracket on the goggles. Applying a pulling force to the stabilizing bracket allows for the installation and removal of the lenses, making it easy to replace the lenses individually. This solves the problem of reducing the overall replacement cost of current goggles after wear and tear.

[0020] Specifically, a locking component with a locking block is set up to quickly lock the goggles. The operator can unlock the goggles by pushing the push-pull block, making the installation and removal of the goggles convenient.

[0021] Specifically, a tension spring is incorporated into the goggles. This tension spring allows the goggles structure to flexibly contact different head sizes of the wearer, improving the practicality of the goggles structure and its protective sealing performance. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0023] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0024] In the attached diagram:

[0025] Figure 1 A schematic diagram of the axonal structure of the fire helmet of this application after assembly is shown;

[0026] Figure 2 This application shows Figure 1 A schematic diagram of the axonal structure from an elevation viewpoint;

[0027] Figure 3 An axonometric schematic diagram of a partially disassembled structure of the fire helmet of this application is shown;

[0028] Figure 4 This application shows Figure 3 A schematic diagram of the axonal structure from an elevation viewpoint;

[0029] Figure 5 The axial side schematic view of the stable seat and the upper stable frame cut structure of the application is shown;

[0030] Figure 6 The axial side schematic view of the glasses structure split and the partial cut structure of the locking assembly of the application is shown;

[0031] Figure 7 The axial side schematic view of the locking assembly split structure of the application is shown;

[0032] Figure 8 The axial side structure schematic view of the locking assembly after split of the application is shown;

[0033] Figure 9 The axial side schematic view of the locking assembly split structure of the application is shown; Figure 6 The axial side schematic view of the locking assembly split structure of the application is shown;

[0034] List of reference signs

[0035] 1, helmet body; 101, stable seat;

[0036] 2, locking assembly; 201, first positioning shell; 202, second positioning shell; 203, positioning rod; 204, elastic plate; 205, locking block; 206, push-pull block;

[0037] 3, glasses structure; 301, upper stable frame; 302, lower stable frame; 303, positioning bolt; 304, lens. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] Embodiment one: please refer to Figures 1 to 9 :

[0040] The utility model provides a fire helmet, include: helmet main part 1, the both sides of helmet main part 1 are equipped with a hinged block respectively, the outside position of hinged block installs a protective cover, the structure and material of protective cover of selecting prior art commonly used in fire helmet, the face of the personnel is protected after pressing protective cover downward, the bottom of helmet main part 1 is equipped with a steady seat 101 respectively in the inside position, two steady seats 101 are symmetrically distributed, the bottom position of steady seat 101 is equipped with a through hole, the staff will be tied with bandage through the inside positioning of through hole, the personnel wear helmet main part 1 with the help of tied with bandage, the side of every steady seat 101 installs and installs a set of locking assembly 2 respectively, locking assembly 2 is composed of first positioning shell 201, second positioning shell 202, positioning rod 203, elastic plate 204, locking block 205 and push -pull block 206, the inside surface of steady seat 101 is equipped with a sliding slot, and the sliding slot is T-shaped structure, and the side of first positioning shell 201, second positioning shell 202 is equipped with a sliding block respectively, and the sliding block is L-shaped structure, and the sliding block is installed in the inside of sliding slot, and first positioning shell 201, second positioning shell 202 cooperate sliding block and install in the position circumference of sliding slot and up and down positioning, to make first positioning shell 201, second positioning shell 202 can along with the stable transverse movement of sliding slot;

[0041] In the embodiments of the present disclosure, reference is made to Figures 1 to 9As shown, a pair of goggle structures 3 is installed between the two locking assemblies 2, and the goggle structures 3 are composed of an upper stabilizing frame 301, a lower stabilizing frame 302, a positioning bolt 303 and a lens 304. The two sides of the upper stabilizing frame 301 are respectively provided with a stabilizing plate, which is collectively referred to as a glasses leg in the prior art. One side of the stabilizing plate is provided with two stabilizing blocks. The first positioning shell 201 and the second positioning shell 202 are respectively provided with two positioning holes on one side. The stabilizing blocks pass through the inside of the positioning holes, and the positioning holes cooperate with the stabilizing blocks to achieve the effect of quickly stabilizing the goggle structures 3 transversely after installation. A sliding groove is formed in the inner side position of the first positioning shell 201 and the second positioning shell 202, and the sliding groove is a stepped structure. A locking block 205 and a push-pull block 206 are installed in the inner side position of the sliding groove. The sliding groove provides sliding space for the locking block 205 and the push-pull block 206. In addition, the sliding groove also achieves the effect of circumferential positioning of the locking block 205 and the push-pull block 206, so that the locking block 205 and the push-pull block 206 can stably move transversely. A connecting block is arranged between the locking block 205 and the push-pull block 206, and the connecting block connects the locking block 205 and the push-pull block 206 with each other. One of the stabilizing blocks is provided with a locking groove corresponding to the locking block 205. A supporting spring is installed at the outer side position of the connecting block. The supporting spring pushes the locking block 205 and the locking groove to engage, so that the locking block 205 automatically and quickly locks the installed goggle structures 3. After the operator pushes the push-pull block 206 by hand, the locking block 205 can be moved. When the locking block 205 moves reversely, the goggle structures 3 can be unlocked, and the goggle structures 3 can be conveniently disassembled and installed.

[0042] In the embodiments of the present disclosure, reference is made to Figures 1 to 9 As shown, the helmet body 1, the stabilizing seat 101, the first positioning shell 201, the second positioning shell 202, the positioning rod 203, the elastic plate 204, the locking block 205, the push-pull block 206, the upper stabilizing frame 301, the lower stabilizing frame 302, the positioning bolt 303 and the lens 304 are cooperated with each other to form the fire helmet.

[0043] In the embodiments of the present disclosure, reference is made to Figures 1 to 9As shown, one side of the first positioning shell 201 and the second positioning shell 202 is respectively provided with a positioning rod 203, one side of the stable seat 101 is provided with two sliding holes, the positioning rod 203 passes through the inside of the sliding hole, the outside of the positioning rod 203 is provided with a supporting spring and a clamping spring, the positioning rod 203 realizes the further stable effect of the first positioning shell 201 and the second positioning shell 202, in addition, the supporting spring elastically stretches the first positioning shell 201 and the second positioning shell 202, in combination with the connecting structure of the first positioning shell 201, the second positioning shell 202 and the goggles structure 3, the spring elastically stretches the goggles structure 3, so that the goggles structure 3 can effectively and flexibly contact the head of different sizes of the wearer, the practicality and the protective sealing performance of the goggles structure 3 are improved, the inside of the first positioning shell 201 and the second positioning shell 202 is respectively provided with an elastic plate 204, the elastic plate 204 is selected from the material with good elastic effect and long service life in the prior art, one side of the elastic plate 204 is provided with a group of locking teeth, one side of the push-pull block 206 is provided with a group of locking grooves corresponding to the locking teeth, when the staff pushes the push-pull block 206, the locking teeth and the locking groove are engaged, at this time, the push-pull block 206 and the locking block 205 realize the effect of moving position auxiliary locking, which is convenient for dismounting the goggles structure 3, after the goggles structure 3 is dismounted, the staff needs to push the push-pull block 206 in the reverse direction, so that the locking block 205 can be reset;

[0044] In the embodiments of the present disclosure, reference is made to Figures 1 to 9 As shown, one side of the first positioning shell 201 and the second positioning shell 202 is respectively provided with a positioning rod 203, one side of the stable seat 101 is provided with two sliding holes, the positioning rod 203 passes through the inside of the sliding hole, the outside of the positioning rod 203 is provided with a supporting spring and a clamping spring, the positioning rod 203 realizes the further stable effect of the first positioning shell 201 and the second positioning shell 202, in addition, the supporting spring elastically stretches the first positioning shell 201 and the second positioning shell 202, in combination with the connecting structure of the first positioning shell 201, the second positioning shell 202 and the goggles structure 3, the spring elastically stretches the goggles structure 3, so that the goggles structure 3 can effectively and flexibly contact the head of different sizes of the wearer, the practicality and the protective sealing performance of the goggles structure 3 are improved, the inside of the first positioning shell 201 and the second positioning shell 202 is respectively provided with an elastic plate 204, the elastic plate 204 is selected from the material with good elastic effect and long service life in the prior art, one side of the elastic plate 204 is provided with a group of locking teeth, one side of the push-pull block 206 is provided with a group of locking grooves corresponding to the locking teeth, when the staff pushes the push-pull block 206, the locking teeth and the locking groove are engaged, at this time, the push-pull block 206 and the locking block 205 realize the effect of moving position auxiliary locking, which is convenient for dismounting the goggles structure 3, after the goggles structure 3 is dismounted, the staff needs to push the push-pull block 206 in the reverse direction, so that the locking block 205 can be reset; As shown, one side of the first positioning shell 201 and the second positioning shell 202 is respectively provided with a positioning rod 203, one side of the stable seat 101 is provided with two sliding holes, the positioning rod 203 passes through the inside of the sliding hole, the outside of the positioning rod 203 is provided with a supporting spring and a clamping spring, the positioning rod 203 realizes the further stable effect of the first positioning shell 201 and the second positioning shell 202, in addition, the supporting spring elastically stretches the first positioning shell 201 and the second positioning shell 202, in combination with the connecting structure of the first positioning shell 201, the second positioning shell 202 and the goggles structure 3, the spring elastically stretches the goggles structure 3, so that the goggles structure 3 can effectively and flexibly contact the head of different sizes of the wearer, the practicality and the protective sealing performance of the goggles structure 3 are improved, the inside of the first positioning shell 201 and the second positioning shell 202 is respectively provided with an elastic plate 204, the elastic plate 204 is selected from the material with good elastic effect and long service life in the prior art, one side of the elastic plate 204 is provided with a group of locking teeth, one side of the push-pull block 206 is provided with a group of locking grooves corresponding to the locking teeth, when the staff pushes the push-pull block 206, the locking teeth and the locking groove are engaged, at this time, the push-pull block 206 and the locking block 205 realize the effect of moving position auxiliary locking, which is convenient for dismounting the goggles structure 3, after the goggles structure 3 is dismounted, the staff needs to push the push-pull block 206 in the reverse direction, so that the locking block 205 can be reset;

[0045] Embodiment two, on the basis of embodiment one, reference Figures 1 to 9 As shown, the staff needs to refer to the prior art to install the sealing strip on the inner side of the upper stable frame 301 and the lower stable frame 302, and the material and installation structure of the sealing strip still adopt the prior art, and the goggle structure 3 achieves the effect of protecting the eyes of the wearer.

[0046] The working principle of the embodiment is as follows:

[0047] When installing the fire helmet, the staff installs a protective cover on the outer side of the hinge block of the helmet body 1 by means of the installation tool in the prior art, then installs the binding belt positioning at the insertion hole position of the bottom of the stable seat 101, and then installs a set of locking assembly 2 on one side of each stable seat 101 by means of the installation tool in the prior art, and then installs a set of goggle structure 3 between the two sets of locking assembly 2, and then the staff installs a set of goggle structure 3 on the stable block on one side of the upper stable frame 301 in the installation hole of the first positioning shell 201 and the second positioning shell 202 by means of the installation tool in the prior art.

[0048] When installing the goggle structure 3, the staff installs the stable block on one side of the upper stable frame 301 in the installation hole of the first positioning shell 201 and the second positioning shell 202, at which time the locking block 205 automatically and quickly locks the installed goggle structure 3, and the operator can drive the locking block 205 to move by pushing the push-pull block 206, and when the locking block 205 moves reversely, the goggle structure 3 is unlocked, achieving the effect of convenient disassembly and installation of the goggle structure 3.

[0049] When using the fire helmet, the wearer wears the helmet body 1 by means of the binding belt, and the protective cover is selected from the structure and material commonly used in the prior art fire helmet, and the protective cover is pressed downward to protect the face of the wearer, at which time the spring elastically stretches the goggle structure 3, so that the goggle structure 3 can effectively and flexibly contact the head of different sizes of the wearer, and the goggle structure 3 achieves the effect of protecting the eyes of the wearer.

[0050] When replacing the lens 304, the staff can easily disassemble and assemble the lens 304 by applying an upward and downward pulling force to the upper stable frame 301 and the lower stable frame 302 with the hands, at which time the effect of convenient installation and replacement of the lens 304 is achieved.

[0051] In this paper, the following points need attention:

[0052] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0053] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0054] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A fire helmet comprising: The helmet body (1), locking assembly (2) and goggles structure (3), both sides of the helmet body (1) are respectively provided with a hinged block, a protective cover is installed at the outer side of the hinged block, the bottom of the helmet body (1) is respectively provided with a stable seat (101) at the inner side, and the two stable seats (101) are symmetrically distributed, characterized in that a through hole is formed at the bottom of the stable seat (101), one set of locking assemblies (2) is installed on one side of each stable seat (101), the locking assembly (2) is composed of a first positioning shell (201), a second positioning shell (202), a positioning rod (203), an elastic plate (204), a locking block (205) and a push-pull block (206), and a set of goggles structure (3) is installed between the two sets of locking assemblies (2), the goggles structure (3) is composed of an upper stable frame (301), a lower stable frame (302), a positioning bolt (303) and a lens (304).

2. The fire helmet according to claim 1, wherein, the inner side of the stable seat (101) is provided with a sliding groove, and the first positioning shell (201) and the second positioning shell (202) are respectively provided with a sliding block on one side.

3. The fire helmet according to claim 1, wherein, both sides of the upper stable frame (301) are respectively provided with a stable plate, two stable blocks are arranged on one side of the stable plate, two positioning holes are respectively formed on one side of the first positioning shell (201) and the second positioning shell (202), and the stable blocks pass through the inside of the positioning holes.

4. The fire helmet according to claim 1, wherein, the inner side of the first positioning shell (201) and the second positioning shell (202) is respectively provided with a sliding groove, the sliding groove is a stepped structure, a locking block (205) and a push-pull block (206) are arranged at the inner side of the sliding groove, a connecting block is arranged between the locking block (205) and the push-pull block (206), one of the stable blocks is provided with a locking groove corresponding to the locking block (205), a supporting spring is arranged at the outer side of the connecting block, and the locking block (205) and the locking groove are engaged.

5. The fire helmet according to claim 1, wherein, one side of the first positioning shell (201) and the second positioning shell (202) is respectively provided with a positioning rod (203), two sliding holes are formed on one side of the stable seat (101), the positioning rod (203) passes through the inside of the sliding holes, and a supporting spring and a clamping spring are arranged at the outer side of the positioning rod (203).

6. The fire helmet according to claim 1, wherein, the inner side of the first positioning shell (201) and the second positioning shell (202) is respectively provided with an elastic plate (204), a plurality of locking teeth are arranged on one side of the elastic plate (204), and a plurality of locking grooves corresponding to the locking teeth are formed on one side of the push-pull block (206).

7. The fire helmet according to claim 1, wherein, The two sides of the upper stable frame (301) and the lower stable frame (302) are respectively provided with a positioning groove, two lenses (304) are installed in the inner side of the positioning groove, and the edge of the lens (304) extends to the inside of the positioning groove.

8. The fire helmet of claim 1, wherein, The two sides of the upper stable frame (301) are respectively provided with a positioning block, the positioning block can also be a rectangular structure, the two sides of the lower stable frame (302) are respectively provided with a sliding groove, and the positioning block extends to the inside of the sliding groove.

9. The fire helmet of claim 1, wherein, A sliding hole is formed in the middle of the upper stable frame (301), a threaded groove is formed in the middle of the lower stable frame (302), a positioning bolt (303) is threadedly connected through the sliding hole and the threaded groove, and a supporting spring is installed on the outer side of the positioning bolt (303).

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