CN210143917U

CN210143917U - Safety helmet for supervision

Info

Publication number: CN210143917U
Application number: CN201921118422.3U
Authority: CN
Inventors: 朱新雨; 刘照富; 王皓; 王涛; 高云
Original assignee: Construction Engineering Consulting Co Ltd
Current assignee: Construction Engineering Consulting Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-17
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a safety helmet is used in supervision relates to safety device technical field, and it includes the cap body and sets up the chin strap on the cap body, and the fixed structure of adjusting that is provided with in the cap body outside adjusts the structure and includes the casing, is used for adjusting the winding mechanism in chin strap and is used for the locking Assembly of fixed chin strap length, and the casing is fixed on the cap body, and winding mechanism and locking Assembly all set up on the casing, and chin strap one end winding is in the winding mechanism, and the other end is fixed on the cap body. The length of adjusting the structure adjustment chin strap through setting up and fixed, only need remove locking Assembly to winding mechanism's locking during the use, the pulling chin strap is adjusted to suitable length, then make locking Assembly lock winding mechanism again, fixed chin strap makes the safety helmet fix at human head, easy operation is convenient, in addition, can set up the camera on the casing, thereby can shoot the picture, pass through wireless transmission mode UNICOM with picture and management system, thereby reach the purpose of on-the-spot control.

Description

Safety helmet for supervision

Technical Field

The utility model relates to a safety protection equipment technical field, more specifically say, it relates to a safety helmet is used in prison.

Background

The safety helmet is a hat which can protect the head of a person from being hurt by falling objects and other specific factors. The safety helmet consists of a helmet shell, a helmet liner, a lower jaw belt, accessories and the like. The lower jaw belt is a belt tied on the lower jaw and plays a role in fixing the safety helmet, and the lower jaw belt consists of a belt and a locking clamp.

The connection mode of the jaw belt of the existing safety helmet is shown in figure 1, hanging belts 22 are hung on two sides of a helmet body 1 respectively, two ends of the two hanging belts 22 are fixedly connected to the helmet body 1, hanging rings 23 are formed at two ends of the jaw belt 2 and are sleeved on the hanging belts 22 on the two sides respectively, a locking clamp 24 is sleeved on the jaw belt 2, the jaw belt 2 is tensioned to enable the middle part of the jaw belt to abut against the jaw of a person, and the locking clamp 24 is fastened to fix the position of the safety helmet. When the safety helmet is worn, the locking clamp 24 needs to be loosened, the lower jaw belt 2 needs to be adjusted to a proper length, and then the locking clamp 24 needs to be fastened to fix the safety helmet.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a safety helmet is used in prison, it is through setting up adjusting part on the cap shell, freely adjusts chin strap length, convenient and fast through adjusting part when using to wear the safety helmet.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a safety helmet is used in supervision, includes the cap body and sets up the chin strap on the cap body, the fixed structure of adjusting that is used for adjusting the chin strap that is provided with in the cap body outside, adjust the structure and include the casing, be used for adjusting the winding mechanism of chin strap and be used for the locking Assembly of fixed chin strap length, the casing is fixed on the cap body, winding mechanism and locking Assembly all set up on the casing, chin strap one end winding is in the winding mechanism, and the chin strap other end is fixed on the cap body.

Through above-mentioned technical scheme, set up adjustment mechanism in the cap body outside of safety helmet for the length of adjustment chin strap, chin strap one end winding is in winding mechanism, and the other end is fixed with the cap body, and when the user need adjust chin strap length, unclamp locking of locking Assembly to winding mechanism, pull out the chin strap in the winding mechanism, adjust to suitable length after, locking Assembly locking fixes the length of chin strap.

The utility model discloses further set up to: winding mechanism includes fixed axle, clockwork spring and is used for twining the gyro wheel of chin strap down, the fixed axle is fixed to be set up at the casing inboardly, the gyro wheel cover is established on the fixed axle and is connected with the fixed axle rotation, the clockwork spring is located between fixed axle and the gyro wheel, clockwork spring one end is fixed on the fixed axle, and the other end is fixed on the gyro wheel.

Through above-mentioned technical scheme, the fixed axle, clockwork spring and the gyro wheel cooperation adjustment chin strap length that set up, pulling chin strap make it drive the gyro wheel and rotate, unreel the chin strap, the clockwork spring tightens up along with the rotation of gyro wheel, if chin strap length overlength, loosen the chin strap, the clockwork spring drives the gyro wheel reversal, the rolling chin strap.

The utility model discloses further set up to: the fixed shaft penetrates through the clamping groove along the length direction, and one end of the spring, which is connected with the fixed shaft, is inserted into the clamping groove.

Through above-mentioned technical scheme, the setting in clamp groove is convenient for fix the clockwork spring.

The utility model discloses further set up to: the locking assembly comprises a limiting rod and a limiting wheel, the limiting rod is arranged on the shell in a penetrating mode and is movably connected with the shell, the limiting wheel is sleeved on the idler wheel and is fixedly connected with the idler wheel, and the limiting rod is connected with the limiting wheel in a butting and locking mode.

Through above-mentioned technical scheme, when needing to pull the chin strap, the rotation restriction pole makes restriction pole and restriction wheel part, adjusts chin strap length back, screws up the restriction pole and makes its butt restriction wheel lock.

The utility model discloses further set up to: the limiting wheel is provided with a groove at the outer edge, and the limiting rod penetrates through the groove.

Through the technical scheme, the limiting rod is inserted into the groove, so that the limiting wheel is locked conveniently and quickly.

The utility model discloses further set up to: the limiting rod comprises a connecting rod and a clamping rod, one end of the connecting rod penetrates through the shell and is movably connected with the shell, the other end of the connecting rod is fixedly connected with the clamping rod, the diameter of the clamping rod is larger than that of the connecting rod, a gap is reserved between the outer circle of the connecting rod and the outer circle of the limiting wheel, and the clamping rod penetrates through the groove.

Through above-mentioned technical scheme, when adjusting chin strap length, promote the connecting rod and make the chucking pole shift out the recess, relieve the locking to the restriction wheel, after the adjustment is accomplished, the pulling connecting rod, the chucking pole gets into the recess again, locks the restriction wheel.

The utility model discloses further set up to: the clamping rod is far away from one end of the connecting rod and is fixedly connected with an elastic piece, and the elastic piece is fixedly arranged in the shell.

Through above-mentioned technical scheme, the setting of elastic component can prevent that the restriction pole from droing from the casing at the push-and-pull in-process that makes a round trip to can let the restriction pole reset, carry out the chucking to the restriction wheel.

The utility model discloses further set up to: the elastic piece comprises a spring and a fixed rod, the fixed rod is fixed on the shell, one end of the spring is fixed at the end of the clamping rod, and the other end of the spring is fixedly connected with the fixed rod.

By the technical scheme, the contraction and rebound of the spring are convenient for adjusting whether the clamping rod locks the roller or not, so that a user can adjust the length of the lower jaw belt conveniently.

The utility model discloses further set up to: the connecting rod is fixedly provided with a button through penetrating the shell.

Through the technical scheme, the button is convenient for a user to push the connecting rod.

The utility model discloses further set up to: an opening is formed in the lower portion of the shell, and the lower jaw belt penetrates out of the opening.

Through above-mentioned technical scheme, the chin strap freely elongates and shortens self length through the opening of casing below.

To sum up, the utility model discloses following beneficial effect has:

(1) the winding mechanism is arranged, so that the length of the lower jaw belt can be conveniently adjusted, the lower jaw belt is wound on the roller, the roller is sleeved on the fixed shaft, the clockwork spring is arranged between the roller and the fixed shaft, when the length of the lower jaw belt is adjusted, the lower jaw belt is pulled to drive the roller to rotate, the lower jaw belt wound on the roller is unwound, the clockwork spring is tightened, and if the length of the lower jaw belt is too long, the roller is driven to rotate reversely through the clockwork spring, and the lower jaw belt is wound;

(2) through setting up locking Assembly, the winding mechanism is locked in the cooperation of limiting rod and limiting wheel to the length of fixed chin strap.

Drawings

Fig. 1 is a diagram of a background art structure.

Fig. 2 is an overall schematic view of the helmet.

Fig. 3 is a view showing an internal structure of the housing.

Fig. 4 shows a structure of the winding mechanism.

Fig. 5 is a view showing an internal structure of the wheel.

Reference numerals: 1. a cap body; 2. a chin strap; 3. an adjustment structure; 4. a housing; 5. a winding mechanism; 6. a locking assembly; 7. a fixed shaft; 8. a clockwork spring; 9. a roller; 10. a cavity; 11. a clamping groove; 12. a restraining bar; 13. a limiting wheel; 14. a groove; 15. a connecting rod; 16. a clamping rod; 17. an elastic member; 18. a spring; 19. fixing the rod; 20. a button; 21. an opening; 22. hanging a belt; 23. hanging a ring; 24. locking card, 25, camera.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Examples

A safety helmet for supervision comprises a helmet body 1 and a lower jaw belt 2 arranged on the helmet body 1, wherein two ends of the lower jaw belt 2 are respectively arranged on two sides of the helmet body, as shown in figure 2. An adjusting structure 3 is arranged at one side of the cap body 1 connected with the lower jaw belt 2, and the adjusting structure 3 is used for adjusting the length of the lower jaw belt 2 and fixing the lower jaw belt 2. Referring to fig. 3, the adjusting structure 3 includes a housing 4, a winding mechanism 5 and a locking assembly 6, the winding mechanism 5 and the locking assembly 6 are both mounted on the housing 4, and the housing 4 is fixed on the cap body 1. One end of the lower jaw belt 2 is wound in the winding mechanism 5, the winding mechanism 5 winds the lower jaw belt 2, and the other end of the lower jaw belt 2 is fixed on the cap body 1. When a user wears the safety helmet, the length of the lower jaw belt 2 needs to be adjusted, the lower jaw belt 2 is pulled out from the winding mechanism 5, and after the length is adjusted to be proper, the locking assembly 6 fixes the lower jaw belt 2, so that the adjustment is convenient and fast.

As shown in fig. 3 and 4, the winding mechanism 5 includes a fixed shaft 7 disposed on the housing 4, a roller 9 mounted on the fixed shaft 7, and a spring 8 disposed between the fixed shaft 7 and the roller 9, one end of the spring 8 is fixed on the fixed shaft 7, the other end is fixed with the roller 9, the spring 8 drives the roller 9 to rotate around the fixed shaft 7, a cavity 10 is formed in the side surface of the roller 9, the spring 8 is disposed in the cavity 10, and the chin strap 2 is wound on the roller 9. As shown in fig. 5, the fixed shaft 7 is provided with a clamping groove 11 along the length direction thereof, one end of the spring 8 is fixedly connected in the clamping groove 11, and the other end is fixed on the inner wall of the roller 9; when the user adjusted the length of chin strap 2, pulling chin strap 2 made it drive gyro wheel 9 and rotated, unreeled 2 to the chin strap of winding on gyro wheel 9 to make clockwork spring 8 tighten up, if 2 length overlengths in chin strap, loosen the pulling to chin strap 2, clockwork spring 8 drives 9 reversals of gyro wheel, winding chin strap 2, and is quick nimble.

Referring to fig. 3, the locking assembly 6 includes a limiting rod 12 and a limiting wheel 13, the limiting rod 12 is inserted into the housing 4, the limiting rod 12 is movably connected with the housing 4, the limiting wheel 13 is fixedly sleeved on the roller 9, and the limiting rod 12 and the limiting wheel 13 can be mutually abutted and locked. When the lower jaw belt 2 is pulled, the limiting rod 12 is pulled to be separated from the limiting wheel 13, and after the lower jaw belt 2 reaches a proper length, the limiting rod 12 is pushed to abut against the limiting wheel 13 to prevent the limiting wheel 13 from continuing to rotate, so that the length of the lower jaw belt 2 is fixed. In order to facilitate the locking of the limiting rod 12 to the limiting wheel 13, a groove 14 is formed in the outer edge of the limiting wheel 13, the limiting rod 12 penetrates through the groove 14, and the limiting rod 12 is pushed back and forth to complete the locking of the limiting wheel 13.

As shown in fig. 3, the limiting rod 12 includes a connecting rod 15 and a clamping rod 16, one end of the connecting rod 15 is movably inserted into the housing 4, the other end of the connecting rod is fixedly connected to the clamping rod 16, the diameter of the clamping rod 16 is larger than that of the connecting rod, the clamping rod 16 is inserted into the groove 14 in a matching manner, and the connecting rod 15 is located at the opening edge of the groove 14. The clamping rod 16 is moved out from the groove 14 to the side close to the roller 9 by pushing the connecting rod 15, a gap is reserved between the excircle of the connecting rod 15 and the excircle of the limiting wheel 13 at the moment, the connecting rod 15 cannot enter the groove 14 and is positioned at the opening edge of the groove 14, the limiting wheel 13 is not locked, and otherwise, the limiting wheel 13 is locked.

Referring to fig. 3, one end of the clamping rod 16 far away from the connecting rod 15 is provided with an elastic part 17, one end of the elastic part 17 is fixedly connected with the clamping rod 16, the other end of the elastic part is fixedly arranged on the shell 4, the elastic part 17 abuts against the clamping rod 16 and is used for preventing the limiting rod 12 from falling off in the process of pushing back and forth, and the limiting rod can be reset to clamp the limiting wheel. The elastic member 17 includes a spring 18 and a fixing rod 19, the fixing rod 19 is fixed on the housing 4, one end of the spring is fixedly connected with the fastening rod 16, and the other end is fixed on the fixing rod 19. The connecting rod 15 is pushed, the clamping rod 16 compresses the spring 18, the clamping rod is separated from the groove 14, the lower jaw belt 2 can be pulled and adjusted at the moment, the pushing of the connecting rod 15 is loosened after the adjustment is finished, the spring 18 rebounds to enable the limiting wheel 13 to be clamped into the groove 14, and the limiting wheel 13 is locked. In order to facilitate pushing the connecting rod 15, a button 20 is fixedly disposed at one end of the connecting rod 15 penetrating through the housing 4. An opening 21 is arranged below the shell 4, and the lower jaw belt 2 penetrates out of the opening 21.

Install camera 25 on casing 4, camera 25 adopts wireless transmission's mode, is connected with the supervision system to let the supervision personnel shoot the scene picture at the scene through camera 25, transmit to the supervision system at last, thereby can reach the purpose of on-the-spot control.

The implementation principle of the embodiment is as follows: the user wears the safety helmet to the head, presses button 20 with one hand, and the other hand pulls down jaw area 2, and when jaw area 2 reached comfortable length after, unclamp the pressing to button 16, the regulation was accomplished, and the safety helmet was fixed at the head this moment, convenient and fast and simple and practical.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a prison and use safety helmet, includes the cap body (1) and sets up jaw area (2) on the cap body (1), its characterized in that, the fixed structure (3) of adjusting that are used for adjusting jaw area (2) that is provided with in the cap body (1) outside, adjust structure (3) including casing (4), winding mechanism (5) that are used for adjusting jaw area (2) and be used for locking Assembly (6) of fixed jaw area (2) length, casing (4) are fixed on the cap body (1), winding mechanism (5) and locking Assembly (6) all set up on casing (4), jaw area (2) one end is twined in winding mechanism (5), and the jaw area (2) other end is fixed on the cap body (1).

2. The safety helmet for supervision as claimed in claim 1, wherein the winding mechanism (5) comprises a fixed shaft (7), a spring (8) and a roller (9) for winding the chin strap (2), the fixed shaft (7) is fixedly arranged inside the shell (4), the roller (9) is sleeved on the fixed shaft (7) and is rotatably connected with the fixed shaft (7), the spring (8) is located between the fixed shaft (7) and the roller (9), one end of the spring (8) is fixed on the fixed shaft (7), and the other end of the spring is fixed on the roller (9).

3. The safety helmet for supervision as claimed in claim 2, wherein the fixing shaft (7) is provided with a clamping groove (11) along the length direction, and one end of the spring (8) connected with the fixing shaft (7) is inserted into the clamping groove (11).

4. The supervision safety helmet according to claim 1, wherein the locking assembly (6) comprises a limiting rod (12) and a limiting wheel (13), the limiting rod (12) is arranged on the shell (4) in a penetrating mode and is movably connected with the shell (4), the limiting wheel (13) is sleeved on the roller (9) and is fixedly connected with the roller (9), and the limiting rod (12) is abutted and locked with the limiting wheel (13).

5. The proctoring safety helmet as claimed in claim 4, wherein the limiting wheel (13) is provided with a groove (14) at its outer edge, and the limiting rod (12) is inserted into the groove (14).

6. The safety helmet for supervision as claimed in claim 5, wherein the limiting rod (12) comprises a connecting rod (15) and a clamping rod (16), one end of the connecting rod (15) penetrates through the shell (4) and is movably connected with the shell (4), the other end of the connecting rod (15) is fixedly connected with the clamping rod (16), the diameter of the clamping rod (16) is larger than that of the connecting rod (15), a gap is reserved between the outer circle of the connecting rod (15) and the outer circle of the limiting wheel (13), and the clamping rod (16) penetrates through the groove (14).

7. The supervision safety helmet according to claim 6, characterized in that the end of the clamping lever (16) remote from the connecting lever (15) is fixedly connected with an elastic member (17), the elastic member (17) being fixedly arranged in the housing (4).

8. The helmet as claimed in claim 7, wherein the elastic member (17) comprises a spring (18) and a fixing rod (19), the fixing rod (19) is fixed to the housing (4), one end of the spring (18) is fixed to the end of the clamping rod (16), and the other end of the spring (18) is fixedly connected to the fixing rod (19).

9. The supervision helmet according to claim 6, wherein the end of the connecting rod (15) extending out of the housing (4) is fixedly provided with a button (20).

10. The proctoring safety helmet as claimed in claim 1, wherein an opening (21) is formed below the housing (4), and the chin strap (2) is passed through the opening (21).