Helmet and safety helmet wearing device strength static test equipment

By designing a helmet wearing device that includes a chin strap and a helmet strength testing component, the problem of needing to change tools when testing helmets in existing technologies has been solved, enabling multifunctional and convenient testing of helmets.

CN223727542UActive Publication Date: 2025-12-26INST OF URBAN SAFETY & ENVIRONMENTAL SCI BEIJING ACAD OF SCI & TECH +1
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Patent Information

Application Number
CN202422923916.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-26
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing helmet wearing device strength testers have limitations when testing helmets, requiring the use of different tools, which makes them inflexible in use.

Method used

A static testing device for the strength of helmet wearing devices was designed, comprising a chin strap strength testing component, a head mold component, and a helmet strength testing component. The device achieves multi-functional testing of the chin strap and helmet through a motor and lead screw system, reducing limitations in its use.

Benefits of technology

It enables flexible testing of the helmet's chin strap and overall helmet strength, improving the convenience and flexibility of testing and reducing limitations in use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of safety helmet detection, in particular to static strength testing equipment for a helmet and safety helmet wearing device, which is characterized in that when the static strength testing equipment is used, a helmet is worn on a head mold assembly, then the strength of a chin strap on the helmet is detected through a chin strap strength detection assembly, and when the strength of the helmet needs to be detected, the helmet is detected through a detection assembly. The helmet strength detection assembly is used for detection, so that the flexibility is improved, and the use limitation is reduced; comprising a base, a shell and a controller, the shell is arranged at the top end of the base, the controller is arranged at the right end of the shell, the chin strap strength detection assembly is arranged on the shell, the helmet strength detection assembly is arranged on the base, and the head mold assembly is detachably arranged on the shell.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety helmet detection, in particular to a helmet safety helmet wearing device strength static test equipment. BACKGROUND

[0002] A helmet wearing device strength tester is used for testing the strength of safety helmets to ensure that they can be stably fixed on the wearer's head in various use scenarios and provide effective protection.

[0003] In the prior art, the patent file with the publication number CN205679384U discloses a safety helmet chin strap strength lateral rigidity tester, which comprises an electric control box, a test platform is arranged on the electric control box, a stand column is fixed on the test platform, a cross beam is fixed on the top of the stand column, a head mold support column is fixed on the top of the front end of the cross beam, a head mold is fixed on the head mold support column, a lifting mechanism is arranged in the electric control box, the lifting mechanism penetrates through the test platform and is fixed with a sensor, and the safety helmet chin strap strength lateral rigidity tester further comprises a chin strap clamp and a lateral rigidity clamp.

[0004] It is found in the use process that the above-mentioned device can only detect the strength of the chin strap of the helmet, and other detection tools need to be replaced when the strength of the helmet needs to be detected, so that the detection has certain limitations. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a helmet safety helmet wearing device strength static test equipment which reduces use limitations.

[0006] The helmet safety helmet wearing device strength static test equipment of the utility model, including base, shell and controller, the base top is provided with shell, the right end of shell is provided with controller, still include chin strap strength detection subassembly, head mold subassembly and helmet strength detection, be provided with chin strap strength detection subassembly on shell, be provided with helmet strength detection subassembly on base, be detachably provided with head mold subassembly on shell;When using, the helmet is worn on the head mold subassembly, then the strength of chin strap on the helmet is detected through chin strap strength detection subassembly, when needing to detect the strength of the helmet, detect through helmet strength detection subassembly, improve flexibility, reduce use limitations.

[0007] Preferably, the head mold assembly comprises a slot, a support plate, a support column, a head mold body, a threaded hole, a round hole and a bolt, the front end of the shell is provided with a slot, the top end of the slot is provided with a round hole, the top end of the support plate is provided with a support column, the top end of the support column is provided with a head mold body, the head mold body is provided with a threaded hole, a group of bolts are arranged in the round hole; when the head mold body needs to be installed, the support plate is inserted into the slot, so that the threaded hole and the round hole are coincided, then the bolt passes through the round hole and is screwed with the threaded hole, so that the fixing of the support plate is completed, then the helmet is worn on the head mold body, the convenience is improved.

[0008] Preferably, the chin strap strength detection assembly comprises a motor, a lead screw, a lifting block, a pressure sensor, a chin strap hooking part and a strip-shaped opening, the front end of the shell is provided with a strip-shaped opening, the top end of the shell is provided with a motor, the output end of the motor is provided with a lead screw, the bottom end of the lead screw is rotatably connected with the bottom end of the shell, the lifting block is slidably arranged in the shell and is threadedly connected with the lead screw, the front end of the lead screw is provided with a pressure sensor, the pressure sensor passes through the strip-shaped opening, the chin strap hooking part is installed at the top end of the pressure sensor on the front side of the shell, and the pressure sensor is electrically connected with the controller; in use, the helmet is worn on the head mold body, then the chin strap hooking part hooks the chin strap of the helmet, then the controller starts the motor, so that the lead screw rotates, and the lifting block drives the chin strap hooking part to descend through the pressure sensor, so that the chin strap hooking part stretches the chin strap of the helmet, and when the chin strap hooking part breaks the chin strap, the controller records the tension value of the pressure sensor.

[0009] Preferably, the helmet strength detection assembly comprises an upper pressing plate, a support column and a lower pressing plate, the bottom end of the pressure sensor is provided with an upper pressing plate, the top end of the base is provided with a support column, and the top end of the support column is provided with a lower pressing plate; when the strength of the helmet needs to be detected, the helmet is turned on its side, then the turned-over helmet is placed on the top end of the lower pressing plate, then the motor is operated to drive the lifting block to descend, so that the pressure sensor drives the upper pressing plate to descend, and the upper pressing plate and the lower pressing plate cooperate with each other to extrude the turned-over helmet, when the helmet is broken, the controller can record the pressure value of the pressure sensor, so that the strength detection of the helmet is realized.

[0010] Preferably, it further comprises adjustable feet, and the bottom end of the base is provided with a group of adjustable feet at four corners; the four groups of adjustable feet cooperate with each other to stably support the base, and the stability is improved.

[0011] Preferably, it further comprises a handle, and the front end of the support plate is provided with a handle; the staff pulls the support plate through the handle, and the convenience is improved.

[0012] Compared with the prior art, the headgear wearing device strength static test equipment has the advantages that when the headgear is worn on the head mold assembly, the strength of the chin strap on the headgear is detected through the chin strap strength detection assembly, when the strength of the headgear needs to be detected, the headgear strength detection assembly is used for detection, flexibility is improved, and use limitation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the isometric structural schematic view of the utility model;

[0014] Figure 2 is the isometric structural schematic view of the utility model;

[0015] Figure 3 is the enlarged structural schematic view of the base, the controller and the like structure;

[0016] Figure 4 is the enlarged structural schematic view of the head mold body, the handle and the like structure;

[0017] Figure 5 is the enlarged structural schematic view of the motor, the lead screw and the like structure;

[0018] Figure 6 is the front view structural schematic view of the utility model.

[0019] In the drawings, 1 is a base, 2 is a shell, 3 is a controller, 4 is a slot, 5 is a support plate, 6 is a support column, 7 is a head mold body, 8 is a threaded hole, 9 is a round hole, 10 is a bolt, 11 is a motor, 12 is a lead screw, 13 is a lifting block, 14 is a pressure sensor, 15 is a chin strap hooking part, 16 is a strip-shaped opening, 17 is an upper pressing plate, 18 is a support column, 19 is a lower pressing plate, 20 is an adjustable foot, and 22 is a handle. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 6 shown, the headgear safety helmet wearing device strength static test equipment of the utility model, including base 1, shell 2 and controller 3, base 1 top end is provided with shell 2, shell 2's right end is provided with controller 3, still including chin strap strength detection assembly, head mold assembly and headgear strength detection, shell 2 is provided with chin strap strength detection assembly, base 1 is provided with headgear strength detection assembly, shell 2 is detachably provided with head mold assembly;

[0023] As shown in Figure 2 and Figure 4 shown, the head mold assembly includes a slot 4, a support plate 5, a support column 6, a head mold body 7, a threaded hole 8, a round hole 9 and a bolt 10, the front end of the shell 2 is provided with the slot 4, the top end of the slot 4 is provided with the round hole 9, the top end of the support plate 5 is provided with the support column 6, the top end of the support column 6 is provided with the head mold body 7, the head mold body 7 is provided with the threaded hole 8, a group of bolts 10 are arranged in the round hole 9;

[0024] As shown in Figure 2 and Figure 5 shown, the chin strap strength detection assembly includes a motor 11, a lead screw 12, a lifting block 13, a pressure sensor 14, a chin strap hooking part 15 and a strip-shaped opening 16, the front end of the shell 2 is provided with the strip-shaped opening 16, the top end of the shell 2 is provided with the motor 11, the output end of the motor 11 is provided with the lead screw 12, the bottom end of the lead screw 12 is rotatably connected to the bottom end of the shell 2, the lifting block 13 is slidably arranged in the shell 2 and is threadedly connected to the lead screw 12, the front end of the lead screw 12 is provided with the pressure sensor 14, the pressure sensor 14 passes through the strip-shaped opening 16, the chin strap hooking part 15 is mounted on the top end of the pressure sensor 14 at the front side of the shell 2, and the pressure sensor 14 is electrically connected to the controller 3.

[0025] In the embodiment, when the head mold body 7 needs to be installed, the support plate 5 is inserted into the slot 4, so that the threaded hole 8 and the round hole 9 are coincided, then the bolt 10 passes through the round hole 9 and is threadedly connected with the threaded hole 8, so that the fixing of the support plate 5 is completed, in use, the helmet is worn on the head mold body 7, then the chin strap of the helmet is hooked by the chin strap hooking part 15, then the motor 11 is started by the controller 3, so that the lead screw 12 rotates, and the lifting block 13 drives the chin strap hooking part 15 to descend through the pressure sensor 14, so that the chin strap hooking part 15 pulls and stretches the chin strap of the helmet, when the chin strap hooking part 15 pulls and breaks the chin strap, the controller 3 records the tension value of the pressure sensor 14, when the strength of the helmet needs to be detected, the helmet strength detection assembly can be used for detection.

[0026] Embodiment 2

[0027] As shown in Figures 1 to 6 The utility model discloses a helmet safety cap wearing device strength static test equipment, including base 1, shell 2 and controller 3, the top of base 1 is provided with shell 2, the right -hand member of shell 2 is provided with controller 3, still including chin strap strength detection assembly, head mold assembly and helmet strength detection, be provided with chin strap strength detection assembly on shell 2, be provided with helmet strength detection assembly on base 1, detachably be provided with head mold assembly on shell 2;

[0028] As shown in Figure 2 andFigure 4 As shown in the figure, the head mold assembly includes a slot 4, a support plate 5, a support column 6, a head mold body 7, a threaded hole 8, a round hole 9 and a bolt 10, the front end of the shell 2 is provided with the slot 4, the top end of the slot 4 is provided with the round hole 9, the top end of the support plate 5 is provided with the support column 6, the top end of the support column 6 is provided with the head mold body 7, the head mold body 7 is provided with the threaded hole 8, a group of bolts 10 are arranged in the round hole 9;

[0029] As shown in the figure, Figure 2 and Figure 5 As shown in the figure, the chin strap strength detection assembly includes a motor 11, a lead screw 12, a lifting block 13, a pressure sensor 14, a chin strap hooking part 15 and a strip-shaped opening 16, the front end of the shell 2 is provided with the strip-shaped opening 16, the top end of the inside of the shell 2 is provided with the motor 11, the output end of the motor 11 is provided with the lead screw 12, the bottom end of the lead screw 12 is rotatably connected with the bottom end of the inside of the shell 2, the lifting block 13 is slidingly arranged in the inside of the shell 2 and is threadedly connected with the lead screw 12, the front end of the lead screw 12 is provided with the pressure sensor 14, the pressure sensor 14 passes through the strip-shaped opening 16, the chin strap hooking part 15 is installed at the top end of the pressure sensor 14 on the front side of the shell 2, and the pressure sensor 14 is electrically connected with the controller 3;

[0030] As shown in the figure, Figure 1 and Figure 5 As shown in the figure, the helmet strength detection assembly includes an upper pressing plate 17, a support column 18 and a lower pressing plate 19, the bottom end of the pressure sensor 14 is installed with the upper pressing plate 17, the top end of the base 1 is provided with the support column 18, and the top end of the support column 18 is provided with the lower pressing plate 19;

[0031] Further comprising adjustable feet 20 and a handle 22, the bottom end of the base 1 is provided with a group of adjustable feet 20 at four corners respectively, and the front end of the support plate 5 is provided with the handle 22.

[0032] When the head model body 7 needs to be installed, the supporting plate 5 is inserted into the slot 4, so that the threaded hole 8 and the round hole 9 are coincided, then the bolt 10 is threaded through the round hole 9 and is screwed with the threaded hole 8, so that the fixing of the supporting plate 5 is completed, in use, the helmet is worn on the head model body 7, then the chin strap hooking part 15 hooks the chin strap of the helmet, then the motor 11 is started by the controller 3, so that the lead screw 12 rotates, further drives the lifting block 13 to lower the chin strap hooking part 15 through the pressure sensor 14, so that the chin strap hooking part 15 stretches the chin strap of the helmet, when the chin strap hooking part 15 is pulled off the chin strap, the controller 3 records the tension value of the pressure sensor 14, when the strength of the helmet needs to be detected, the helmet is turned over, then the turned-over helmet is placed on the top end of the lower pressing plate 19, then the motor 11 drives the lifting block 13 to lower, so that the pressure sensor 14 drives the upper pressing plate 17 to lower, the upper pressing plate 17 and the lower pressing plate 19 cooperate to press the turned-over helmet, when the helmet is broken, the controller 3 can record the pressure value of the pressure sensor 14, so that the strength detection of the helmet is realized.

[0033] The controller 3, the head model body 7, the motor 11, the pressure sensor 14, the chin strap hooking part 15, the lower pressing plate 19 and the upper pressing plate 17 of the helmet safety helmet wearing device strength static test equipment are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the use instruction book attached, without the creative labor of the technical personnel in the field.

[0034] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A helmet safety cap wearing device strength static test equipment, comprising a base (1), a shell (2) and a controller (3), the top end of the base (1) is provided with the shell (2), the right end of the shell (2) is provided with the controller (3), characterized in that, It also includes chin strap strength detection assembly, head mold assembly and helmet strength detection, the chin strap strength detection assembly is arranged on the shell (2), the helmet strength detection assembly is arranged on the base (1), and the head mold assembly is detachably arranged on the shell (2).

2. A helmet safety hat wearing device strength static test equipment according to claim 1, characterized in that, The head mold assembly comprises a slot (4), a support plate (5), a support column (6), a head mold body (7), a threaded hole (8), a circular hole (9) and a bolt (10), the front end of the shell (2) is provided with the slot (4), the top end of the slot (4) is provided with the circular hole (9), the top end of the support plate (5) is provided with the support column (6), the top end of the support column (6) is provided with the head mold body (7), the head mold body (7) is provided with the threaded hole (8), and a group of bolts (10) are arranged in the circular hole (9).

3. A helmet safety hat wearing device strength static test apparatus according to claim 1, wherein, The chin strap strength detection assembly comprises a motor (11), a lead screw (12), a lifting block (13), a pressure sensor (14), a chin strap hooking part (15) and a strip-shaped opening (16), the front end of the shell (2) is provided with the strip-shaped opening (16), the top end of the shell (2) is provided with the motor (11), the output end of the motor (11) is provided with the lead screw (12), the bottom end of the lead screw (12) is rotatably connected to the bottom end of the shell (2), the lifting block (13) is slidably arranged in the shell (2) and is threadedly connected with the lead screw (12), the front end of the lead screw (12) is provided with the pressure sensor (14), the pressure sensor (14) passes through the strip-shaped opening (16), the chin strap hooking part (15) is mounted on the top end of the pressure sensor (14) on the front side of the shell (2), and the pressure sensor (14) is electrically connected with the controller (3).

4. A helmet safety hat wearing device strength static test apparatus as claimed in claim 3, wherein, The helmet strength detection assembly comprises an upper pressing plate (17), a support column (18) and a lower pressing plate (19), the bottom end of the pressure sensor (14) is provided with the upper pressing plate (17), the top end of the base (1) is provided with the support column (18), and the top end of the support column (18) is provided with the lower pressing plate (19).

5. A helmet safety hat wearing device strength static test apparatus as claimed in claim 1, wherein, It also comprises adjustable feet (20), and a group of adjustable feet (20) are arranged at the bottom ends of the four corners of the base (1).

6. A helmet safety hat wearing device strength static test apparatus as claimed in claim 2, wherein, It also comprises a handle (22), and the front end of the support plate (5) is provided with the handle (22). It also comprises a handle (22), and the front end of the support plate (5) is provided with the handle (22).

Citation Information

Patent Citations

  • Chin strap intensity side direction rigidity tester under safety helmet

    CN205679384U