CN218682291U

CN218682291U - Safety helmet

Info

Publication number: CN218682291U
Application number: CN202223036888.3U
Authority: CN
Inventors: 柯琼花
Original assignee: Zhongshan Saifute Labor Insurance Products Co ltd
Current assignee: Zhongshan Saifute Labor Insurance Products Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-24
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a safety helmet, including the safety helmet body be equipped with the first logical groove that can run through recess and rose box in proper order in the recess be worn to be equipped with the dust filter in the first logical inslot the second logical inslot is inlayed and is had first trachea, first trachea one end intercommunication has the second trachea be equipped with the air pump group between second trachea and the rose box, the utility model discloses be equipped with the filtration subassembly in, when the air is taken into the safety helmet body in, can be filtered the dust in the air by the dust filter in the filtration subassembly, just so can prevent that the dust in the air from being blown overhead and depending on the hair by the intercommunication air to dust filter and rose box can be split out, just so conveniently can clean dust filter or clean dust filter, guarantee that dust filter can not descend, also can prevent that the dust from blockking up the air intake.

Description

Safety helmet

Technical Field

The utility model relates to a hydrogen washing equipment field especially relates to a safety helmet.

Background

The safety helmet is an indispensable tool in building sites or outdoor high-altitude operation, can play the effect of protection head, but the temperature when the operation is higher, and the helmet is worn to the head and can make the user feel sultry, has uncomfortable and feels, so set up the fan on the safety helmet and can reduce user's uncomfortable and feel.

Chinese patent application No. CN2017209836380 discloses a safety helmet with a fan, comprising a helmet shell, a ring-shaped helmet liner arranged on the inner side of the helmet shell, a protective band arranged in the middle of the helmet liner, and a brim arranged on the lower edge of the helmet shell and close to the front end of the helmet shell, wherein the left and right ends of the helmet liner are both provided with jaw belts, the ends of the jaw belts are respectively provided with a buckle capable of buckling with each other, the upper part of the helmet shell is provided with a fan close to the rear end, the fan is connected with a motor, the motor is connected with an electric wire, the electric wire is sequentially fixed on the inner wall of the helmet shell, the jaw belts and the buckle, thereby realizing the effect of drawing air into the safety helmet through the fan and cooling the head used by blowing air to prevent the user from overheating the head, but on the site, dust is plenty, when the fan is started, the dust can be drawn into the helmet shell by the air communicated with the fan and blown to the head, thereby the dust can affect the sanitation of workers, and the dust can attach to the fan in the air supply channel, thus the air blocking effect can be reduced when the air supply channel is seriously disabled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safety helmet.

In order to achieve the purpose, the utility model adopts the following scheme:

the utility model provides a safety helmet, including the safety helmet body this internal inner cap that is equipped with of safety helmet be equipped with the cavity between inner cap and the safety helmet body the intercommunication has the installation cavity on the safety helmet body outer wall be equipped with the rose box in the installation cavity top is equipped with the recess be equipped with the first logical groove that can run through recess and rose box in proper order in the recess be worn to be equipped with the dust filter in the first logical groove be equipped with the fixed establishment that can fix the dust filter in the recess be equipped with a plurality of second logical grooves on the inner cap outer wall in proper order the second logical inslot inlays and has first trachea, first trachea one end intercommunication has the second trachea be equipped with air pump group between second trachea and the rose box, the utility model discloses be equipped with air filter assembly, when air was taken into the safety helmet body, can be filtered the dust in the air filter plate filtration air in the air filter assembly, just so can prevent that the dust in the air from being blown on the head and depending on to the dust filter plate and rose box can just so conveniently tear clean dust filter plate and can not guarantee that the dust filter plate and can clean the dust filter plate and can not fall, and can not fall.

As a further scheme the rose box crosses bottom intercommunication and has infundibulate gas collection way bottom intercommunication has the discharge rose box one side is equipped with and is equipped with a plurality of first air inlets in proper order installation cavity one side is equipped with the second air inlet that can communicate with first air inlet, and back in the air gets into the rose box from first air inlet, will be filtered out the dust in the air by the dust filter plate, prevent that the dust from being blown on the hair.

As the utility model discloses a further scheme, first trachea is crooked along the inner cap cambered surface be equipped with a plurality of air vents on the first trachea in proper order, and the air after being filtered can be blown off and is cooled down the head from the air vent.

As the utility model discloses a further scheme, the air pump group is including fixing the air pump on the discharge, the intercommunication has communicating pipe between air pump and the second trachea, and the air pump is prior art, just can take out the second trachea through communicating pipe to the air in the discharge when the air pump starts.

As the utility model discloses further scheme, fixed establishment is located fixture block one side and rotates and be equipped with first pivot including fixing the fixture block in straining dirt board both sides in the recess fixed V-arrangement piece that can fasten the fixture block when straining dirt board and inject the recess in being equipped with in the first pivot can lock the locking mechanical system of first pivot in the recess, can fix after V-arrangement piece and fixture block cooperation and strain the dirt board and prevent that the dirt board from droing at work.

As a further scheme of the utility model, locking mechanical system is including setting up the guide way that is located first pivot below bottom the recess be equipped with the movable plate on the guide way be equipped with the spring between guide way and the movable plate the fixed extrusion piece that is equipped with on the movable plate extrusion piece one side is equipped with the extrusion arcwall face fixed being equipped with in the first pivot can with extrusion arcwall face complex lug extrusion piece one side is equipped with the ejector pad that can stretch out the recess be equipped with the spring that resets on the first pivot, when the lug rotates and removes the ejector pad below, just can prevent first pivot reversal.

As the utility model discloses the preferred scheme the recess top is equipped with the lid be equipped with a plurality ofly on the lid in proper order and lead to the groove with the third of first logical groove intercommunication be equipped with control switch on the installation cavity outer wall, the lid can prevent that the dust from getting into in the recess.

As the utility model discloses preferred scheme be equipped with the safety belt safety helmet both sides be equipped with first buckle and the second buckle of ability complex on the safety belt respectively.

To sum up, utility model is for its beneficial effect of prior art: the utility model discloses be equipped with the filtration subassembly in, when the air was taken into the safety helmet when this is internal, can be filtered the dust in the air by the dirt board in the filtration subassembly, just so can prevent that the dust in the air from being blown overhead and depending on the hair by the intercommunication air, and dirt board and rose box can be separated out, just so conveniently can clean dirt board or clean dirt board, guarantee that dirt board filters the effect of dust and can not descend, also can prevent that the dust from blockking up the air intake.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a second cross-sectional view of the present invention.

Fig. 5 is an enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 6 is an enlarged view of the present invention at B in fig. 4.

Description of reference numerals: 1. a helmet body; 2. an inner cap; 3. a cavity; 4. a mounting cavity; 5. a filter box; 6. a groove; 8. a first through groove; 9. a dust filter plate; 40. a fixing mechanism; 10. a second through groove: 11. a first air pipe; 12. a second air pipe; 20. an air pump unit; 71. a funnel-shaped air collecting channel; 72. a gas collecting pipe; 73. a first air inlet; 74. a second air inlet; 75. a vent hole; 21. an air pump; 22. communicating pipes: 41. a clamping block: 42. a first rotating shaft; 43. v-shaped blocks; 60. a locking mechanism; 61. a guide groove; 62. moving the plate; 63. a spring; 64. extruding the block; 65. extruding the arc-shaped surface; 66. a bump; 67. pushing blocks: 68. a reset coil spring; 81. a cover; 82. a control switch; 86. a third through groove; 83. a seat belt; 84. a first buckle; 85. and a second buckle.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the invention, and are not intended to represent a particular relationship between the various embodiments and/or structures discussed.

Furthermore, where possible, spatially relative terms, such as "below," "lower," "inside-out," "above," "upper" and the like in … are used for ease of describing the relationship of one element or feature to another element or feature in the drawings, and such spatial relationships include different orientations of the device in use or operation and the orientation depicted in the drawings. The device may be turned to different degrees of rotation or other orientations and the spatially relative descriptors used herein interpreted accordingly and as such are not to be interpreted as limitations on the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are all of the same. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: a safety helmet as shown in fig. 1 to 6, which includes a safety helmet body 1, an inner cap 2 is disposed in the safety helmet body 1, a cavity 3 is disposed between the inner cap 2 and the safety helmet body 1, an installation cavity 4 is communicated with an outer wall of the safety helmet body 1, a filter box 5 is disposed in the installation cavity 4, a groove 6 is disposed at a top of the installation cavity 4, a first through groove 8 is disposed in the groove 6 and can sequentially penetrate through the groove 6 and the filter box 5, a dust filter plate 9 is disposed in the first through groove 8, a fixing mechanism 40 capable of fixing the dust filter plate 9 is disposed in the groove 6, a plurality of second through grooves 10 are sequentially disposed on an outer wall of the inner cap 2, a first air pipe 11 is embedded in the second through groove 10, one end of the first air pipe 11 is communicated with a second air pipe 12, an air pump group 20 is disposed between the second air pipe 12 and the filter box 5, a cover 81 is disposed at a top of the groove 6, a plurality of third through grooves 8 are sequentially disposed on the cover 81, a buckle 83 is disposed on an outer wall of the safety helmet body 83, and a safety belt buckle 83 is disposed on two sides of the safety helmet body 83.

Wherein, as shown in fig. 1 to fig. 6, the first embodiment of the middle filtering box 5 of the present invention: the bottom of the filter box 5 is communicated with a funnel-shaped air collecting channel 71, the bottom of the funnel-shaped air collecting channel 71 is communicated with an air collecting pipe 72, one side of the filter box 5 is provided with a plurality of first air inlets 73 in sequence, one side of the installation cavity 4 is provided with a second air inlet 74 capable of being communicated with the first air inlets 73, the first air pipe 11 is bent along the cambered surface of the inner cap 2, the first air pipe 11 is provided with a plurality of air vents 75 in sequence, the air pump group 20 comprises an air pump 21 fixed on the air collecting pipe 72, the air pump 21 is communicated with the second air pipe 12 through a communicating pipe 22, the air pump is in the prior art, when the air pump is started, air in the air collecting pipe can be pumped into the second air pipe through the communicating pipe, a main board capable of controlling the air pump 21 and a battery pack capable of providing electric power are arranged in the groove 6, a user can control the opening of the air pump 21 through a control switch 82, the first air pipe 11 can be flush with the cambered surface in the inner cap 2, and the dust filtering board closest to the first air inlet 73 is attached to the inner wall of the installation cavity 4, so that dust is blocked outside the first air inlet 73.

Fig. 1 to 6 show a first embodiment of a fixing mechanism 40 of the present invention: the fixing mechanism 40 comprises clamping blocks 41 fixed on two sides of the dust filtering plate 9, a first rotating shaft 42 is rotatably arranged on one side of the clamping block 41 in the groove 6, a V-shaped block 43 capable of fastening the clamping block 41 when the dust filtering plate 9 is inserted into the groove 6 is fixedly arranged on the first rotating shaft 42, a locking mechanism 60 capable of locking the first rotating shaft 42 is arranged in the groove 6, one side plate of the V-shaped block 43 on the first rotating shaft 42 is arranged below the clamping block 41 in an initial state, when the dust filtering plate 9 is inserted into the filter box 5, the bottom of the clamping block 41 on the dust filtering plate 9 presses one side plate of the V-shaped block 43 to move downwards, so that the first rotating shaft 42 rotates synchronously, and when the dust filtering plate 9 is completely inserted into the filter box 5, the V-shaped block 43 wraps the clamping block 41, so that the dust filtering plate 9 is fixed.

In addition, as shown in fig. 1 to 6, a first embodiment of a locking mechanism 60 of the present invention is shown: the locking mechanism 60 includes a guide groove 61 disposed at the bottom of the groove 6 and located below the first rotating shaft 42, a moving plate 62 is disposed on the guide groove 61, a spring 63 is disposed between the guide groove 61 and the moving plate 62, an extrusion block 64 is fixedly disposed on the moving plate 62, an extrusion arc-shaped surface 65 is disposed on one side of the extrusion block 64, a projection 66 capable of being matched with the extrusion arc-shaped surface 65 is fixedly disposed on the first rotating shaft 42, a push block 67 capable of extending out of the groove 6 is disposed on one side of the extrusion block 64, a return coil spring 68 is disposed on the first rotating shaft 42, the projection 66 can fixedly press the extrusion arc-shaped surface 65 in an initial state, when the dust filter plate 9 is inserted into the first rotating shaft 42 of the filter box 5 to rotate, the projection 66 can rotate along the extrusion arc-shaped surface 65, after the dust filter plate 9 is completely inserted into the filter box 5, the projection 66 can move to the lower side of the extrusion block 64, and the first rotating shaft 42 cannot be reversed, and when a user pushes the push block 67, the extrusion block 64 can be separated from the projection 66 and the dust filter plate 43 can be pushed upwards conveniently.

The user: the air pump is prior art, when the air pump is started, the air in the air collecting pipe can be pumped into the second air pipe through the communicating pipe, a main board capable of controlling the air pump 21 and a battery pack capable of providing electric power are arranged in the groove 6, a user can control the opening of the air pump 21 through the control switch 82, the first air pipe 11 can be flush with the arc surface in the inner cap 2, the dust filtering plate 9 closest to the first air inlet 73 is attached to the inner wall of the mounting cavity 4, so that dust is blocked outside the first air inlet 73, a side plate of the V-shaped block 43 on the first rotating shaft 42 is arranged below the clamping block 41 in an initial state, when the dust filtering plate 9 is inserted into the filter box 5, the clamping block 41 on the dust filtering plate 9 presses the side plate of the V43 to move downwards, so that the first rotating shaft 42 rotates synchronously, when the dust filtering plate 9 is completely inserted into the filter box 5, the V-shaped block 41 can fix the dust filtering plate 9, when the dust filtering plate 9 is completely inserted into the filter box 5, the first rotating shaft 42, the clamping block 66 can press the arc surface 65 to push the first rotating shaft 64 to push the first rotating block 64 to be capable of pushing the dust filtering plate 64, so that the first rotating block 9 can be pushed upwards, and the first rotating shaft 64 can push the first rotating block 64 to push the first rotating block 9 to be pushed.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be further modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements are all within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A safety helmet, characterized in that: including safety helmet body (1) be equipped with interior cap (2) in safety helmet body (1) be equipped with cavity (3) between interior cap (2) and safety helmet body (1) the intercommunication has installation cavity (4), its characterized in that on safety helmet body (1) outer wall: be equipped with rose box (5) in installation cavity (4) top is equipped with recess (6) be equipped with first logical groove (8) that can run through recess (6) and rose box (5) in proper order in recess (6) be worn to be equipped with dust filter plate (9) in the first logical groove (8) be equipped with fixed establishment (40) that can fix dust filter plate (9) in recess (6) be equipped with a plurality of second on inner cap (2) outer wall in proper order and lead to groove (10) it has first trachea (11) to inlay in the second logical groove (10), first trachea (11) one end intercommunication has second trachea (12) be equipped with air pump group (20) between second trachea (12) and rose box (5).

2. A safety helmet according to claim 1, characterized in that a funnel-shaped air collecting channel (71) is communicated with the bottom of the filtering box (5), a gas collecting pipe (72) is communicated with the bottom of the funnel-shaped air collecting channel (71), a plurality of first air inlets (73) are sequentially arranged on one side of the filtering box (5), and a second air inlet (74) which can be communicated with the first air inlets (73) is arranged on one side of the mounting cavity (4).

3. A safety helmet according to claim 2, wherein the first air pipe (11) is curved along the arc of the inner helmet (2), and a plurality of vent holes (75) are sequentially formed on the first air pipe (11).

4. A safety helmet according to claim 2, characterized in that the air pump unit (20) comprises an air pump (21) fixed to the air collecting pipe (72), and a communication pipe (22) is connected between the air pump (21) and the second air pipe (12).

5. A safety helmet according to claim 2, wherein the fixing mechanism (40) comprises a clamping block (41) fixed on both sides of the dust filter plate (9), a first rotating shaft (42) is rotatably arranged on one side of the clamping block (41) in the groove (6), a V-shaped block (43) capable of fastening the clamping block (41) when the dust filter plate (9) is inserted into the groove (6) is fixedly arranged on the first rotating shaft (42), and a locking mechanism (60) capable of locking the first rotating shaft (42) is arranged in the groove (6).

6. A safety helmet according to claim 5, wherein the locking mechanism (60) comprises a guide groove (61) arranged at the bottom of the groove (6) and located below the first rotating shaft (42), a moving plate (62) is arranged on the guide groove (61), a spring (63) is arranged between the guide groove (61) and the moving plate (62), a pressing block (64) is fixedly arranged on the moving plate (62), a pressing arc-shaped surface (65) is arranged on one side of the pressing block (64), a lug (66) capable of being matched with the pressing arc-shaped surface (65) is fixedly arranged on the first rotating shaft (42), a pushing block (67) capable of extending out of the groove (6) is arranged on one side of the pressing block (64), and a return coil spring (68) is arranged on the first rotating shaft (42).

7. A safety helmet according to claim 1, characterized in that a cover (81) is provided on top of the recess (6), a plurality of third through slots (86) communicating with the first through slot (8) are provided in sequence on the cover (81), and a control switch (82) is provided on the outer wall of the mounting cavity (4).

8. A safety helmet according to claim 1, characterized in that safety belts (83) are provided on both sides of the safety helmet, and a first snap (84) and a second snap (85) that can be engaged are provided on the safety belts (83), respectively.