CN209931600U

CN209931600U - Safety helmet for building site protection

Info

Publication number: CN209931600U
Application number: CN201920166689.3U
Authority: CN
Inventors: 李向通
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-14
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a safety helmet of building site protection usefulness relates to construction technical field, and it includes the safety helmet body, the left and right sides difference fixedly connected with fixed block and the casing of the lower surface of safety helmet body, the lower surface of fixed block and the top fixed connection in lower cheek area, the surface in lower cheek area has cup jointed protector, the other end winding in lower cheek area is connected outside the rope reel, the rope reel joint is at the surface of first pivot, two first bearings have been cup jointed to the surface of first pivot, and two first bearings difference joints at shells inner wall's front and back. This safety helmet of building site protection usefulness through mutually supporting between cheek area, knob, screw thread post, screw cap, second pivot, second bearing and the fixture block down for constructor can adjust the elasticity in cheek area down according to the actual conditions of oneself, thereby has brought the convenience for constructor to wearing of safety helmet.

Description

Safety helmet for building site protection

Technical Field

The utility model relates to a construction technical field specifically is a safety helmet of building site protection usefulness.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.

In the process of construction, often need use safety helmet to carry out the safety protection to constructor head, make article fall can cushion constructor's head on the safety helmet, thereby it receives the injury to reduce the constructor head, but the lower cheek area of traditional safety helmet often comprises area and locking card, make constructor can not adjust the elasticity in lower cheek area according to the actual conditions of oneself, thereby it is troublesome to wear of safety helmet for constructor, consequently, the safety helmet of building site protection usefulness is urgently needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a safety helmet of building site protection usefulness has solved the lower cheek area of traditional safety helmet and often comprises area and locking card for constructor can not adjust the elasticity in lower cheek area according to the actual conditions of oneself, thereby has brought troublesome problem to wearing of safety helmet for constructor.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a safety helmet of building site protection usefulness, includes the safety helmet body, the left and right sides difference fixedly connected with fixed block and the casing of the lower surface of safety helmet body, the lower surface of fixed block and the top fixed connection in lower cheek area, protector has been cup jointed to the surface in lower cheek area, the other end winding in lower cheek area is connected outside the reel, the reel joint is at the surface of first pivot.

The outer surface of the first rotating shaft is sleeved with two first bearings which are respectively clamped on the front and the back of the inner wall of the shell, the outer surface of the first rotating shaft is fixedly connected with the inner surface of the coil spring through a fixing ring, and two ends of the coil spring are respectively clamped on the upper surface and the lower surface of the inner wall of the shell.

The right side face of the lower cheek band is in lap joint with the left side face of the clamping block, the right side face of the clamping block is connected with a rotating device in a clamping mode, the right end of the rotating device is fixedly connected with the left side face of the knob through a threaded column, the outer surface of the threaded column is connected with a threaded cap in a threaded mode, and the threaded cap is connected to the right side face of the shell in a clamping mode.

Preferably, the protector includes the protecting crust, the upper surface of protecting crust is provided with the foam-rubber cushion, the upper surface of protecting crust inner wall and the upper surface overlap joint of cheek area down, the lower surface joint of protecting crust inner wall has two sliding sleeves, the sliding sleeve has cup jointed the slide bar, and the bottom of two slide bars all is connected with the last fixed surface of arm-tie, and the top of two slide bars all is connected with the lower fixed surface of friction plate, the lower surface overlap joint of friction plate and cheek area down, the surface of slide bar has cup jointed the spring, the both ends of spring respectively with the lower surface of friction plate and the last fixed surface of sliding sleeve be connected.

Preferably, the rotating device comprises a second bearing, the second bearing is clamped on the right side face of the clamping block, a second rotating shaft is sleeved in the second bearing, and the right end of the second rotating shaft is fixedly connected with the left end of the threaded column.

Preferably, the outer surface of the knob is provided with anti-skidding lines, the left side surface of the inner wall of the shell is fixedly connected with a T-shaped block, and the right side surface of the T-shaped block is in lap joint with the left side surface of the lower cheek band.

Preferably, the lower surface of the clamping block is fixedly connected with a sliding block, the sliding block is connected in a sliding groove in a sliding mode, and the sliding groove is formed in the lower surface of the inner wall of the shell.

Preferably, the outer surface of the lower cheek band is sleeved with a rope sleeve, and the rope sleeve is clamped on the lower surface of the shell.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. the safety cap for protection in the construction site is characterized in that the lower cheek band, the knob, the threaded column, the threaded cap, the second rotating shaft, the second bearing and the clamping block are matched with each other, when a constructor needs to adjust the lower cheek band to be loose, the constructor rotates the knob forward to drive the threaded column to rotate forward, the threaded column moves rightwards under the action of threaded connection with the threaded cap, the threaded column moves rightwards through the second rotating shaft, the second bearing and the clamping block, the clamping block moves rightwards and is separated from the lower cheek band, the constructor can pull the lower cheek band outwards with force, when the width of the lower cheek band is proper, the constructor rotates the knob reversely to drive the threaded column to rotate backwards, the threaded column moves leftwards under the action of threaded connection with the threaded cap, the threaded column moves leftwards through the second rotating shaft, the second bearing and the clamping block, and the clamping block is contacted with the lower cheek band, thereby fix the position of lower cheek area for constructor can adjust the elasticity of lower cheek area according to the actual conditions of oneself, thereby brought the convenience for constructor to wearing of safety helmet.

2. This safety helmet of building site protection usefulness sets up anti-skidding line through the surface at the knob, has increased constructor and has pointed the frictional force between the knob for constructor rotates the knob through pointing convenient more laborsaving.

3. This safety helmet of building site protection usefulness, through setting up protector, make when constructor needs to adjust protector's position, constructor pulling arm-tie downwards, make the arm-tie drive two slide bars and move downwards in the sliding sleeve, make the slide bar drive friction plate lapse and take the separation with the cheek down, make constructor can remove cheek down and take to suitable position, when protector's position is fit, constructor loosens the arm-tie, make the spring can utilize the elasticity of self to promote the friction plate rebound and take the contact with the cheek down, thereby fix protector's position, thereby make protector can protect constructor's chin, carelessly tumble when having avoided constructor to walk and cause the problem of damage to the chin.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a front view of the protective device of the present invention;

FIG. 3 is a schematic view of the right-side cross-sectional structure of the housing of the present invention;

fig. 4 is a schematic structural view of the section of the coil spring of the present invention;

fig. 5 is an enlarged schematic structural diagram of a position a of the present invention.

In the figure: the safety helmet comprises a safety helmet body 1, a fixing block 2, a lower cheek band 3, a protective device 4, a protective shell 41, a spongy cushion 42, a sliding sleeve 43, a sliding rod 44, a pulling plate 45, a spring 46, a friction plate 47, a rope sleeve 5, a shell 6, a rope disc 7, a first rotating shaft 8, a first bearing 9, a fixing ring 10, a coil spring 11, a T-shaped block 12, a clamping block 13, a sliding block 14, a sliding groove 15, a rotating device 16, a second bearing 161, a second rotating shaft 162, a threaded column 17, a threaded cap 18 and a knob 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a safety helmet for protection in construction sites comprises a safety helmet body 1, wherein the left side and the right side of the lower surface of the safety helmet body 1 are fixedly connected with a fixed block 2 and a shell 6 respectively, a coil spring 11 is fixed more stably by arranging the shell 6, the lower surface of the fixed block 2 is fixedly connected with the top end of a lower cheek band 3, the outer surface of the lower cheek band 3 is sleeved with a rope sleeve 5, the lower cheek band 3 moves up and down more stably in the rope sleeve 5 by arranging the rope sleeve 5, the rope sleeve 5 is clamped on the lower surface of the shell 6, the outer surface of the lower cheek band 3 is sleeved with a protective device 4, the protective device 4 comprises a protective shell 41, a sponge cushion 42 is arranged on the upper surface of the protective shell 41, the contact between the chin of a constructor and the lower cheek band 3 can be more comfortable by arranging the sponge cushion 42, the upper surface of the inner wall of the protective shell 41 is in lap joint with the upper surface of the lower cheek band 3, two sliding sleeves, the sliding rods 44 are sleeved in the sliding sleeve 43, the bottom ends of the two sliding rods 44 are fixedly connected with the upper surface of the pulling plate 45, the top ends of the two sliding rods 44 are fixedly connected with the lower surface of the friction plate 47, the friction plate 47 is in contact with the lower cheek band 3 to fix the position of the protection device 4 through the arrangement of the friction plate 47, the friction plate 47 is in lap joint with the lower surface of the lower cheek band 3, the spring 46 is sleeved on the outer surface of the sliding rods 44, the spring 46 is arranged to enable a constructor to loosen the pulling plate 45, the spring 46 can push the friction plate 47 to move upwards and be in contact with the lower cheek band 3 through the elasticity of the spring 46, the position of the protection device 4 is fixed, two ends of the spring 46 are fixedly connected with the lower surface of the friction plate 47 and the upper surface of the sliding sleeve 43 respectively, and when the constructor needs to adjust the position of the protection device 4 through, constructor pulling down arm-tie 45, make arm-tie 45 drive two slide bars 44 and move down in sliding sleeve 43, make slide bar 44 drive friction plate 47 and move down and with the separation of cheek area 3 down, make constructor can remove cheek area 3 to suitable position, when protector 4's position is suitable, constructor loosens arm-tie 45, make spring 46 can utilize self elasticity to promote friction plate 47 and move up and contact with cheek area 3 down, thereby fix protector 4's position, thereby make protector 4 can protect constructor's chin, carelessly tumble when having avoided the constructor to cause the problem of damage to the chin, the other end winding of cheek area 3 is connected outside reel 7, reel 7 joint is at the surface of first pivot 8.

The outer surface of the first rotating shaft 8 is sleeved with two first bearings 9, the first rotating shaft 8 and the rope reel 7 can rotate more stably by arranging the first bearings 9, and the two first bearings 9 are respectively clamped on the front and the back of the inner wall of the shell 6, the left side surface of the inner wall of the shell 6 is fixedly connected with a T-shaped block 12, the right side surface of the T-shaped block 12 is lapped with the left side surface of the lower cheek band 3, the position of the lower cheek band 3 can be fixed by arranging the T-shaped block 12 so that the clamping block 13 is contacted with the T-shaped block 12 through the lower cheek band 3, the outer surface of the first rotating shaft 8 is fixedly connected with the inner surface of the coil spring 11 through the fixing ring 10, by arranging the coil spring 11 such that, when the latch 13 is separated from the lower cheek band 3, the coil spring 11 can rotate the first rotating shaft 8 by its own rotating force via the fixing ring 10, so that the first rotating shaft 8 drives the rope reel 7 to rotate and tighten the lower cheek band 3, and two ends of the coil spring 11 are respectively clamped on the upper surface and the lower surface of the inner wall of the shell 6.

The right side surface of the lower cheek band 3 is lapped with the left side surface of the clamping block 13, the clamping block 13 is in contact with the lower cheek band 3 to fix the lower cheek band 3 by arranging the clamping block 13, the lower surface of the clamping block 13 is fixedly connected with the sliding block 14, the sliding block 14 is connected in the sliding groove 15 in a sliding mode, by arranging the sliding groove 15 and the sliding block 14, the situation that the clamping block 13 is driven to rotate together by the rotation of the threaded column 17 is avoided, the sliding block 14 can be driven to move left and right in the sliding groove 15 while the clamping block 13 moves left and right, the clamping block 13 can move left and right more stably, the sliding groove 15 is arranged on the lower surface of the inner wall of the shell 6, the right side surface of the clamping block 13 is clamped with the rotating device 16, the rotating device 16 comprises a second bearing 161, by arranging the second bearing 161, the threaded column 17 can drive the second rotating shaft 162 to, second bearing 161 joint is at the right flank of fixture block 13, second pivot 162 has been cup jointed in second bearing 161, the right-hand member of second pivot 162 and the left end fixed connection of screw thread post 17, the right-hand member of rotary device 16 passes through screw thread post 17 and knob 19's left surface fixed connection, knob 19's surface is provided with anti-skidding line, surface through at knob 19 sets up anti-skidding line, frictional force between constructor finger and knob 19 has been increased, it is more convenient laborsaving to make constructor rotate knob 19 through the finger, screw thread post 17's surface threaded connection has screw cap 18, through setting up screw cap 18, make screw thread post 17 rotatory can remove under the threaded connection effect with screw cap 18, screw cap 18 joint is at the right flank of casing 6.

The utility model discloses an operating procedure does:

s1, when the constructor needs to loosen the lower cheek band 3, the constructor rotates the knob 19 forward to enable the knob 19 to drive the threaded column 17 to rotate forward, enable the threaded column 17 to move rightwards under the effect of threaded connection with the threaded cap 18, enable the threaded column 17 to move rightwards through the second rotating shaft 162, the second bearing 161 and the fixture block 13, enable the fixture block 13 to move rightwards and separate from the lower cheek band 3, enable the constructor to pull the lower cheek band 3 outwards with force, when the width of the lower cheek band 3 is proper, the constructor rotates the knob 19 backwards to enable the knob 19 to drive the threaded column 17 to rotate backwards, enable the threaded column 17 to move leftwards under the effect of threaded connection with the threaded cap 18, enable the threaded column 17 to move leftwards through the second rotating shaft 162, the second bearing 161 and the fixture block 13, enable the fixture block 13 to move rightwards and to be in contact with the lower cheek band 3, and fix the position of, so that the constructor can loosen the lower cheek band 3;

s2, when the constructor needs to tighten the lower cheek strap 3, the constructor rotates the knob 19 forward, so that the knob 19 drives the threaded column 17 to rotate forward, the threaded column 17 moves rightwards under the effect of the threaded connection with the threaded cap 18, the threaded column 17 moves rightwards through the second rotating shaft 162, the second bearing 161 and the fixture block 13, the fixture block 13 moves rightwards and is separated from the lower cheek strap 3, the coil spring 11 drives the first rotating shaft 8 to rotate through the fixing ring 10 by using the rotation force of the coil spring, the first rotating shaft 8 drives the rope disc 7 to rotate and tighten the lower cheek strap 3, when the looseness of the lower cheek strap 3 is proper, the constructor rotates the knob 19 backwards, the knob 19 drives the threaded column 17 to rotate backwards, the threaded column 17 moves leftwards under the effect of the threaded connection with the threaded cap 18, the threaded column 17 moves leftwards through the second rotating shaft 162, the second bearing 161 and the fixture block 13, the fixture block 13 moves rightwards and is in contact with the lower cheek strap, thereby fixing the position of the lower cheek band 3, so that a constructor can tighten the lower cheek band 3;

s3, when the constructor needs to adjust the position of the protection device 4, the constructor pulls the pulling plate 45 downwards, so that the pulling plate 45 drives the two sliding rods 44 to move downwards in the sliding sleeve 43, the sliding rods 44 drive the friction plate 47 to move downwards and separate from the lower cheek band 3, the constructor can move the lower cheek band 3 to a proper position, when the position of the protection device 4 is proper, the constructor loosens the pulling plate 45, the spring 46 can push the friction plate 47 to move upwards and contact with the lower cheek band 3 by using the elastic force of the spring 46, the position of the protection device 4 is fixed, and the protection device 4 can protect the chin of the constructor.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a safety helmet of building site protection usefulness, includes safety helmet body (1), its characterized in that: the left side and the right side of the lower surface of the helmet body (1) are fixedly connected with a fixing block (2) and a shell (6) respectively, the lower surface of the fixing block (2) is fixedly connected with the top end of a lower cheek band (3), a protective device (4) is sleeved on the outer surface of the lower cheek band (3), the other end of the lower cheek band (3) is wound and connected outside a rope disc (7), and the rope disc (7) is clamped on the outer surface of a first rotating shaft (8);

the outer surface of the first rotating shaft (8) is sleeved with two first bearings (9), the two first bearings (9) are respectively clamped on the front surface and the back surface of the inner wall of the shell (6), the outer surface of the first rotating shaft (8) is fixedly connected with the inner surface of the coil spring (11) through a fixing ring (10), and two ends of the coil spring (11) are respectively clamped on the upper surface and the lower surface of the inner wall of the shell (6);

the right flank of lower cheek area (3) and the left flank overlap joint of fixture block (13), the right flank joint of fixture block (13) has rotary device (16), the right-hand member of rotary device (16) passes through the left flank fixed connection of screw thread post (17) and knob (19), the surface threaded connection of screw thread post (17) has screw cap (18), screw cap (18) joint is at the right flank of casing (6).

2. A safety helmet for construction site protection according to claim 1, wherein: protector (4) are including protecting crust (41), the upper surface of protecting crust (41) is provided with foam-rubber cushion (42), the upper surface of protecting crust (41) inner wall and the upper surface overlap joint of cheek area (3) down, the lower surface joint of protecting crust (41) inner wall has two sliding sleeves (43), sliding rod (44) have been cup jointed in sliding sleeve (43), and the bottom of two sliding rods (44) all with the upper surface fixed connection of arm-tie (45), and the top of two sliding rods (44) all with the lower fixed surface of friction plate (47) be connected, the lower surface overlap joint of friction plate (47) and cheek area (3) down, spring (46) have been cup jointed to the surface of sliding rod (44), the both ends of spring (46) respectively with the lower surface of friction plate (47) and the upper surface fixed connection of sliding sleeve (43).

3. A safety helmet for construction site protection according to claim 1, wherein: rotating device (16) include second bearing (161), second bearing (161) joint is in the right flank of fixture block (13), second pivot (162) have been cup jointed in second bearing (161), the right-hand member of second pivot (162) and the left end fixed connection of screw post (17).

4. A safety helmet for construction site protection according to claim 1, wherein: the outer surface of the knob (19) is provided with anti-skidding lines, the left side face of the inner wall of the shell (6) is fixedly connected with a T-shaped block (12), and the right side face of the T-shaped block (12) is in lap joint with the left side face of the lower cheek band (3).

5. A safety helmet for construction site protection according to claim 1, wherein: the lower surface of the clamping block (13) is fixedly connected with a sliding block (14), the sliding block (14) is connected in a sliding groove (15) in a sliding mode, and the sliding groove (15) is formed in the lower surface of the inner wall of the shell (6).

6. A safety helmet for construction site protection according to claim 1, wherein: the outer surface of the lower cheek band (3) is sleeved with a rope sling (5), and the rope sling (5) is clamped on the lower surface of the shell (6).