Safety helmet strap adjusting device and safety helmet

Abstract

The utility model relates to hard hat technical field discloses hard hat hatband adjusting device and hard hat, and hard hat hatband adjusting device includes clamping buckle, connecting piece and elastic part, two clamping buckles are oppositely arranged, and clamping buckle one end is equipped with mounting hole, and the hatband is suitable for and is passed into the mounting hole from the outside of clamping buckle, and the hatband one end extends to the one end of clamping buckle far away from the mounting hole, and connecting piece sets up in the opposite side of two clamping buckles, and is located far away from the one end of mounting hole, and elastic part sets up in the opposite side of two clamping buckles, and is located close to the one end of mounting hole, the utility model adjusts the hatband length, only needs the user to press the clamping buckle of one side of being equipped with elastic part, makes the other side of clamping buckle separate each other, can along the hatband and moves the adjustment of clamping buckle, after adjusting to the appropriate position, the hatband is clamped tightly by clamping buckle under the action of elastic force when releasing clamping buckle, has simple structure, convenient operation's advantage, is convenient for the user to adjust the hatband length fast, to adapt to the demand of different wearers, has improved the convenience of using hard hat.

Description

Technical Field

[0001] This utility model relates to the field of safety helmet technology, specifically to a safety helmet headband adjustment device and a safety helmet. Background Technology

[0002] In many operations such as industrial production, power construction, power maintenance, and mining, safety helmets are key protective equipment to ensure the safety of workers' heads, and the safety helmet strap buckle is an indispensable component.

[0003] In existing technologies, such as Figure 1 As shown, the helmet strap buckle is usually an insert buckle, with both ends of the strap inserted into the insert 1a and the buckle 1b respectively. When the strap length needs to be adjusted, the strap on the insert 1a or the buckle 1b side is adjusted in the corresponding mounting groove 1c. With this structure, if the strap length is not suitable, the user needs to remove the helmet multiple times for adjustment, which makes the operation cumbersome and inconvenient. Utility Model Content

[0004] In view of this, the present invention provides a helmet chin strap adjustment device and a helmet to solve the problem of inconvenient helmet chin strap adjustment in the prior art.

[0005] In a first aspect, this utility model provides a helmet strap adjustment device, including a buckle, a connector, and an elastic element. The two buckles are arranged opposite each other, and one end of the buckle is provided with a mounting hole. The helmet strap is adapted to pass through the mounting hole from the outside of the buckle, and one end of the helmet strap extends toward the end of the buckle away from the mounting hole. The connector is arranged on the opposite side of the two buckles and is located at the end away from the mounting hole. The elastic element is arranged on the opposite side of the two buckles and is located at the end close to the mounting hole.

[0006] Beneficial effects: The elastic force of the elastic element on the helmet strap adjustment device of this utility model can drive one end of the clip connecting the elastic element to separate from each other, and under the action of the connecting element, the other end of the clip will clamp together. The hood strap is inserted between the two clips through the mounting hole. When adjusting the length of the hood strap, the user only needs to press down on the clip on the side with the elastic element to separate the other side of the clip, and then the clip can be moved and adjusted along the hood strap. After adjusting to the appropriate position, the clip is released and the clip clamps the hood strap under the action of the elastic force. It has the advantages of simple structure and convenient operation, which makes it easy for users to quickly adjust the length of the hood strap and improves the convenience of using the safety helmet.

[0007] In one alternative embodiment, the end of the clip away from the mounting hole is provided with teeth, which have a clamping state that abuts against the hood strap and an adjusting state that is separated from the hood strap.

[0008] Beneficial effects: This utility model has teeth at the end of the clip, which ensures the stability of the hat strap by means of friction and meshing force of the teeth.

[0009] In one alternative embodiment, the connector includes two links that are hinged together in an alternating manner, with both ends of the links connected to a clip.

[0010] Beneficial effects: This utility model sets the connecting part as two interlocking hinged links. When the user presses the side of the buckle with the elastic element, the interlocking links cause the buckle to separate from the end of the hood strap, which makes it easy to adjust the length of the hood strap. After the adjustment is completed, the buckle is released and the pull rod pulls the buckle toward the hood strap to clamp the hood strap. It has the advantages of simple structure and convenient operation.

[0011] In one alternative embodiment, the clip has a mounting groove on the side facing the elastic member, the mounting groove being located on the side of the mounting hole away from the connector, and the end of the elastic member is mounted in the mounting groove.

[0012] Beneficial effects: This utility model installs the end of the elastic element in the mounting groove, which can ensure the stability of the connection between the elastic element and the clip.

[0013] In one alternative implementation, the width of the hood strap is no greater than the width of the buckle.

[0014] Beneficial effects: In this utility model, the width of the hood strap is not greater than the width of the clip, which can ensure that the clip holds the hood strap firmly and prevent the hood strap from loosening during use.

[0015] In one alternative embodiment, the end of the clip near the mounting hole is provided with anti-slip stripes on the side opposite to the elastic element.

[0016] Beneficial effects: The anti-slip stripes on the clips of this utility model can increase the friction between the user's hand and the clips during operation, making it easier for the user to operate.

[0017] Secondly, this utility model also provides a safety helmet, including a helmet body, a helmet strap and the aforementioned safety helmet strap adjustment device. The helmet body is provided with a wearing cavity, which is suitable for wearing on the user's head. The ends of the helmet strap are installed on both sides of the helmet body, and the helmet strap passes through the mounting hole. The end of the buckle away from the mounting hole is in contact with the helmet strap.

[0018] Since the safety helmet adopts the helmet strap adjustment device of this utility model, it has the same beneficial effects as the helmet strap adjustment device, which will not be described in detail here.

[0019] In one alternative embodiment, mounting portions are provided on both sides of the hat body, and the hat strap is mounted on the mounting portions.

[0020] In one alternative embodiment, the cap body is provided with a brim, which is located between two mounting parts.

[0021] In one alternative embodiment, the helmet also includes a lower support with slots on both sides, through which the chin strap passes, and the lower support is adapted to abut against the user's chin.

[0022] Beneficial effects: The lower support of this utility model can make the chin strap firmly connected to the user's chin, avoiding separation of the chin strap from the user's chin during use, and ensuring the stability of the user wearing the safety helmet. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of a helmet strap buckle in the prior art;

[0025] Figure 2 This is a front view of a helmet strap adjustment device according to an embodiment of the present utility model;

[0026] Figure 3 This is a side view of the clip in a helmet strap adjustment device according to an embodiment of the present invention;

[0027] Figure 4 This is a front view of a safety helmet according to an embodiment of the present utility model;

[0028] Figure 5 This is a side view of a safety helmet according to an embodiment of the present utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Clip; 101. Mounting hole; 102. Toothed part; 103. Mounting groove;

[0031] 2. Connecting parts; 201. Connecting rod;

[0032] 3. Elastic components;

[0033] 100. Helmet strap adjustment device;

[0034] 200. Hat body; 210. Mounting part; 220. Hat brim;

[0035] 300. Hatband;

[0036] 400, lower support.

[0037] Explanation of reference numerals in prior art drawings:

[0038] 1a. Snap-on; 1b. Clip; 1c. Mounting slot. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0040] The following is combined Figures 2 to 5 The following describes embodiments of the present invention.

[0041] According to embodiments of the present invention, on the one hand, such as Figures 2 to 5 As shown, a helmet strap adjustment device 100 is provided, including a clip 1, a connector 2, and an elastic member 3. The two clips 1 are arranged opposite each other, and one end of the clip 1 is provided with a mounting hole 101. The helmet strap 300 is adapted to pass through the mounting hole 101 from the outside of the clip 1, and one end of the helmet strap 300 extends toward the end of the clip 1 away from the mounting hole 101. The connector 2 is arranged on the opposite side of the two clips 1 and is located at the end away from the mounting hole 101. The elastic member 3 is arranged on the opposite side of the two clips 1 and is located at the end close to the mounting hole 101.

[0042] Specifically, such as Figure 2 and Figure 3 As shown, the shape of the clip 1 is not specifically limited in this embodiment. For example, the clip 1 is rectangular and can be made of metal or a rigid elastic material of polymer. The two clips 1 are arranged opposite each other. The clip 1 has a mounting hole 101 near one end. The mounting hole 101 can be a circular hole or a flat hole. The hatband 300 is inserted between the two clips 1 from the outside. One end of the hatband 300 extends toward the end of the clip 1 away from the mounting hole 101. The connector 2 is arranged on the opposite side of the two clips 1 and is located at the end away from the mounting hole 101. The connector 2 can make the ends of the two clips 1 that hold the hatband 300 close to each other. The elastic member 3 is arranged on the opposite side of the two clips 1 and is located at the end near the mounting hole 101. In this embodiment, the elastic member 3 is arranged on the side of the mounting hole 101 away from the connector 2. The elastic force of the elastic member 3 makes the two clips 1 move away from each other. Under the action of the connector 2, the ends of the clips 1 that hold the hatband 300 close to each other and clamp the hatband 300.

[0043] In this embodiment, the clip 1 is made of high-strength engineering plastic, which has good wear resistance, corrosion resistance and impact resistance. It can withstand long-term use and various harsh environmental conditions, thus extending the service life of the clip 1. At the same time, engineering plastic is lighter than metal, which reduces weight while ensuring durability and improving the wearer's comfort.

[0044] In some other embodiments, the clip 1 may be formed by bending a rectangular strip clip 1, with the elastic element 3 disposed at the bending point of the clip 1, and the two ends of the clip 1 used to hold the hat strap 300.

[0045] In this embodiment, the elastic element 3 is not specifically limited. For example, in this embodiment, the elastic element 3 is a spring, while in other embodiments, the elastic element 3 may also be a sheet or the like.

[0046] In this invention, the elastic force of the elastic element 3 on the helmet strap adjustment device 100 can drive the buckle 1 to separate from one end connected to the elastic element 3, and under the action of the connecting element 2, the other end of the buckle 1 is clamped together. The helmet strap 300 is inserted between the two buckles 1 through the mounting hole 101. When adjusting the length of the helmet strap 300, the user only needs to press down on the buckle 1 on the side with the elastic element 3. The elastic element 3 is compressed, causing the buckle 1 to separate from the side holding the helmet strap 300. The buckle 1 can then be moved and adjusted along the helmet strap 300. After adjusting to the appropriate position, the buckle 1 is released. Under the action of the elastic force of the elastic element 3, the buckle 1 clamps the helmet strap 300. It has the advantages of simple structure and convenient operation, which makes it easy for users to quickly adjust the length of the helmet strap 300 to adapt to the head shape and wearing needs of different wearers, thus improving the convenience of using the helmet.

[0047] In one embodiment, such as Figure 3 As shown, the end of the clip 1 away from the mounting hole 101 is provided with a tooth 102. The tooth 102 has a clamping state that abuts against the cap strap 300 and an adjusting state that is separated from the cap strap 300.

[0048] Specifically, in this embodiment, the end of the clip 1 away from the mounting hole 101 is provided with teeth 102. The teeth 102 on the two clips 1 can mesh with each other. When the two teeth 102 mesh with each other, the hat strap 300 is clamped between the teeth 102. When the two teeth 102 separate from each other, the hat strap 300 is in a loose state, which makes it convenient for the user to adjust the clamping position of the hat strap 300.

[0049] This invention provides a toothed part 102 at the end of the clip 1. Through the friction and meshing force of the toothed part 102, the connection between the hood strap 300 and the clip 1 is more stable and less likely to come loose due to external pulling or shaking during use. This reduces the possibility of the clip 1 accidentally coming off due to accidental contact or friction, and effectively ensures the stability and safety of wearing the safety helmet.

[0050] In one embodiment, such as Figure 2 As shown, the connector 2 includes a connecting rod 201, two connecting rods 201 are hinged together in an alternating manner, and both ends of the connecting rod 201 are connected to the clamp 1.

[0051] Specifically, in this embodiment, the connector 2 includes two connecting rods 201. The middle parts of the connecting rods 201 are interlocked and hinged in an "X" shape. One end of the connecting rod 201 is connected to one of the clips 1 near the tooth 102, and the other end of the connecting rod 201 is connected to the other clip 1 near the mounting hole 101.

[0052] This utility model sets the connector 2 as two interlocking hinged links 201. When the user presses the side of the clip 1 with the elastic element 3, the interlocking links 201 cause the clip 1 to separate from one end of the hood strap 300, thus facilitating the adjustment of the length of the hood strap 300. After the adjustment is completed, the clip 1 is released, and the pull rod pulls the clip 1 toward the hood strap 300 to clamp the hood strap 300. It has the advantages of simple structure and convenient operation.

[0053] In one embodiment, such as Figure 3 As shown, the clip 1 has a mounting groove 103 on the side facing the elastic member 3. The mounting groove 103 is located on the side of the mounting hole 101 away from the connector 2, and the end of the elastic member 3 is installed in the mounting groove 103.

[0054] Specifically, in this embodiment, the mounting groove 103 is provided with a snap-fit ​​part, and the end of the elastic member 3 is snapped into the snap-fit ​​part.

[0055] This invention installs the end of the elastic element 3 in the mounting groove 103, which can ensure the stability of the connection between the elastic element 3 and the clip 1.

[0056] In one embodiment, the width of the hood strap 300 is no greater than the width of the clip 1.

[0057] Specifically, in this embodiment, the width of the clip 1 is greater than the width of the hood strap 300, and the teeth 102 can clamp the hood strap 300 as a whole in the width direction.

[0058] In this utility model, the width of the hatband 300 is not greater than the width of the clip 1, which can ensure that the clip 1 firmly holds the hatband 300 and prevent the hatband 300 from loosening during use.

[0059] In one embodiment, the end of the clip 1 near the mounting hole 101 is provided with anti-slip stripes on the side opposite to the elastic member 3.

[0060] Specifically, in this embodiment, the outer side of the clip 1 is provided with anti-slip stripes at the position corresponding to the elastic element 3, and the user presses the anti-slip stripes when using it.

[0061] The present invention provides anti-slip stripes on the clip 1 to increase the friction between the user's hand and the clip 1 during operation, making it easier for the user to operate.

[0062] According to an embodiment of the present invention, on the other hand, as... Figure 4 and Figure 5 As shown, a safety helmet is also provided, including a helmet body 200, a helmet strap 300 and the aforementioned safety helmet strap adjustment device 100. The helmet body 200 is provided with a wearing cavity, which is suitable for wearing on the user's head. The ends of the helmet strap 300 are installed on both sides of the helmet body 200. The helmet strap 300 passes through the mounting hole 101, and the end of the buckle 1 away from the mounting hole 101 is movably abutting against the helmet strap 300.

[0063] Specifically, in this embodiment, the hat body 200 is approximately hemispherical, and the hat body 200 is provided with a wearing cavity for the user's head to wear. The two ends of the hat strap 300 are installed on both sides of the hat body 200, located at the user's ears. The hat strap 300 passes through the mounting hole 101 on the clip 1. One end of the clip 1 with teeth 102 has a clamping state that abuts against the hat strap 300, and an adjustment state that is separated from the hat strap 300.

[0064] In this embodiment, when using the safety helmet, the user first puts the helmet body 200 on their head, then presses the buckle 1 to separate the teeth 102 from the chin strap 300. The user then moves the buckle 1 to adjust the chin strap 300 to a suitable position and then places the chin strap 300 against the user's chin.

[0065] In one embodiment, such as Figure 4 and Figure 5 As shown, the hat body 200 has mounting parts 210 on both sides, and the hat strap 300 is mounted on the mounting parts 210.

[0066] Specifically, in this embodiment, the hat body 200 has mounting parts 210 on both sides near the user's ears, and the ends of the hat strap 300 are connected to the mounting parts 210.

[0067] In one embodiment, such as Figure 4 and Figure 5 As shown, the hat body 200 is provided with a brim 220, which is located between two mounting parts 210.

[0068] Specifically, in this embodiment, the hat body 200 is provided with a brim 220 between the two mounting parts 210. The brim 220 is used to shield from sunlight, rain and small particles falling from above.

[0069] In one embodiment, such as Figure 4 As shown, the helmet also includes a lower support 400, which has slots on both sides. The chin strap 300 passes through the slots, and the lower support 400 is adapted to abut against the user's chin.

[0070] Specifically, in this embodiment, the lower support 400 is arc-shaped to match the shape of the user's chin. The lower support 400 has slots on both sides, and the headband 300 is inserted and installed in the slots.

[0071] The lower support 400 of this utility model can make the chin strap 300 securely connected to the user's chin, avoid the chin strap 300 separating from the user's chin during use, and ensure the stability of the user wearing the safety helmet.

[0072] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A helmet strap adjustment device, characterized in that, include: Clip (1), two clips (1) are arranged opposite to each other, one end of the clip (1) is provided with a mounting hole (101), and a hat strap (300) is adapted to pass through the mounting hole (101) from the outside of the clip (1), and one end of the hat strap (300) extends toward the end of the clip (1) away from the mounting hole (101); A connector (2) is disposed on one side opposite to the two clips (1) and located at the end away from the mounting hole (101); An elastic element (3) is disposed on one side opposite to the two clips (1) and located at one end near the mounting hole (101).

2. The helmet strap adjustment device according to claim 1, characterized in that, The end of the clip (1) away from the mounting hole (101) is provided with teeth (102), the teeth (102) having a clamping state that abuts against the cap strap (300) and an adjusting state that is separated from the cap strap (300).

3. The helmet strap adjustment device according to claim 1 or 2, characterized in that, The connector (2) includes: Linkage (201), two links (201) are hinged to each other, and both ends of the link (201) are connected to the clip (1).

4. The helmet strap adjustment device according to claim 1, characterized in that, The clip (1) has a mounting groove (103) on the side facing the elastic member (3). The mounting groove (103) is located on the side of the mounting hole (101) away from the connector (2). The end of the elastic member (3) is installed in the mounting groove (103).

5. The helmet strap adjustment device according to claim 1, characterized in that, The width of the hood strap (300) is not greater than the width of the buckle (1).

6. The helmet strap adjustment device according to claim 1, characterized in that, The end of the clip (1) near the mounting hole (101) is provided with anti-slip stripes on the side opposite to the elastic member (3).

7. A safety helmet, characterized in that, include: The cap body (200) has a wearing cavity, which is suitable for wearing on the user's head; A hood strap (300), the ends of which are attached to both sides of the hat body (200); The helmet strap adjustment device (100) according to any one of claims 1 to 6, wherein the helmet strap (300) passes through the mounting hole (101) and the end of the buckle (1) away from the mounting hole (101) movably abuts against the helmet strap (300).

8. The safety helmet according to claim 7, characterized in that, The cap body (200) has mounting portions (210) on both sides, and the cap strap (300) is mounted on the mounting portions (210).

9. The safety helmet according to claim 8, characterized in that, The cap body (200) is provided with a brim (220), which is located between the two mounting parts (210).

10. The safety helmet according to claim 7, characterized in that, Also includes: The lower support (400) has slots on both sides, through which the headband (300) passes, and the lower support (400) is adapted to abut against the user's chin.

Images