CN207428523U - Suitable for the integrated molding Liner Components of safety cap - Google Patents

Abstract

The utility model relates to an integrally formed inner liner assembly suitable for a safety helmet, which includes a fixing part connected with the safety helmet. The fixing part includes a main fixing part, a left fixing part, a right fixing part, a main fixing part and a left fixing part , The tail end of the right fixing part is integrally formed with a fixing belt. Therefore, the main fixing part, the left fixing part, the right fixing part and their corresponding fixing belts are integrally formed, which can achieve the accuracy of the length of the fixing belts, satisfy accurate assembly and use, and effectively reduce the labor cost of subsequent complicated installation. At the same time, the edges of multiple components are rounded and chamfered, which is comfortable to wear and has a better hand feeling during adjustment without being obtrusive. Moreover, the overall structure is simple, which is suitable for manufacturing and subsequent fast and stable assembly.

Description

One-piece liner components for hard hats

technical field

The utility model relates to an inner liner assembly, in particular to an integrally formed inner liner assembly suitable for a safety helmet.

Background technique

The safety helmet is a shallow dome hat made of steel or similar materials worn to protect the top of the head, and it is a protective product to prevent impact objects from hurting the head. Consists of shell, lining, lower chin strap and rear hoop. The cap shell is hemispherical, firm, smooth and elastic, and the impact and puncture kinetic energy of the striking object is mainly borne by the cap shell. There is a certain space between the cap shell and the cap liner, which can buffer and disperse the instantaneous impact force, so as to avoid or reduce the direct injury to the head. Impact absorption performance, puncture resistance performance, lateral rigidity, electrical insulation and flame retardancy are the basic technical performance requirements for safety helmets.

Due to the different shapes and sizes of people's heads, in order to ensure fit and wear and play a safety role, corresponding inner linings will be installed in the existing helmets to facilitate adjustment.

However, in the existing lining components, the corresponding adjusting belts or fixing belts are manufactured and installed separately from the lining components. It directly leads to the need to realize the combination of the two through equipment or labor during assembly, resulting in inconsistent length connection of the adjustment belt or the fixing belt, poor adjustment accuracy, and low wearing comfort and fit.

In view of the above-mentioned defects, the designer actively researches and innovates, in order to create a kind of integrally formed inner liner assembly suitable for safety helmets, so that it has more industrial utilization value.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide an integrally formed inner liner assembly suitable for safety helmets.

The integrally formed inner liner assembly suitable for safety helmets of the present invention includes a fixing piece connected with the safety helmet, wherein: the fixing piece includes a main fixing piece, a left fixing piece, and a right fixing piece, and the main fixing piece , the tail ends of the left fixing piece and the right fixing piece are integrally formed with fixing belts.

Further, the above-mentioned integrally formed inner liner assembly suitable for safety helmets, wherein, the main fixing part includes a V-shaped connecting piece, and an independent branch structure is provided on the top of the V-shaped connecting piece, and the branches of the branch structure The top end is provided with a helmet connector, and the bottom of the V-shaped connecting piece is provided with an integrally formed embedded groove, and a fixing belt is arranged in the integrally formed embedded groove.

Furthermore, in the above-mentioned integrally formed inner liner assembly suitable for a safety helmet, wherein, the connecting piece for the safety helmet is a rectangular fixing piece, and the edges of the rectangular fixing piece are provided with arc chamfers.

Furthermore, the above-mentioned integrally formed inner liner assembly suitable for safety helmets, wherein, the left fixing part includes an engaging positioning piece, and the top end of the engaging positioning piece is connected with a helmet engaging part, and the engaging positioning piece The middle part or the lower end is provided with an integrally formed embedded groove, and a fixing belt is arranged in the integrally formed embedded groove, and an auxiliary connecting device is arranged on the left side of the connecting positioning piece, and an auxiliary connecting device is arranged between the connecting positioning piece and the connecting device. There are lift extensions.

Furthermore, the above-mentioned integrally formed inner liner assembly suitable for safety helmets, wherein, the right fixing piece includes an engaging positioning piece, and the top end of the engaging positioning piece is connected with a helmet engaging piece, and the engaging positioning piece The middle part or the lower end is provided with an integrally formed embedded groove, and a fixing belt is arranged in the integrally formed embedded groove, an auxiliary connecting device is arranged on the right side of the connecting positioning piece, and an auxiliary connecting device is arranged between the connecting positioning piece and the connecting device. There are lift extensions.

Furthermore, the above integrally formed inner liner assembly suitable for safety helmets, wherein the auxiliary connecting device is a connecting buckle, the connecting buckle is provided with positioning perforation grooves, and the edge of the connecting buckle is provided with Arc chamfer.

Furthermore, in the above integrally formed inner liner assembly suitable for safety helmets, the edges of the engaging positioning pieces are provided with arc chamfers.

Still further, the above-mentioned integrally formed inner liner assembly suitable for safety helmets, wherein the integrally formed embedded channel includes an embedded channel body, and a positioning protrusion is provided on the top of the embedded channel body, and the The middle part of the pre-embedded groove body is distributed with several beading strips, and the bead and the fixing belt are integrally formed; or, the middle part of the said pre-embedded groove body is distributed with several protrusions, and the fixing belt is distributed with several through holes, and the protrusions It is embedded in the through hole and integrally formed with the fixing band.

By means of the above scheme, the utility model has at least the following advantages:

1. The main fixing part, left fixing part, right fixing part and their corresponding fixing belts are integrally formed, which can achieve the accuracy of the length of the fixing belt, meet the precise assembly and use, and effectively reduce the labor cost of subsequent complicated installation.

2. The edges of multiple components are rounded and chamfered, which is comfortable to wear and has a better hand feeling during adjustment without being obtrusive.

3. The overall structure is simple, suitable for manufacturing and subsequent fast and stable assembly.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. back.

Description of drawings

Fig. 1 is a structural schematic diagram of the main fixing part.

Fig. 2 is a structural schematic diagram of the left fixing part.

Fig. 3 is a structural schematic diagram of the right fixing part.

The meanings of the reference signs in the figure are as follows.

1 Fixing belt 2 V-shaped connecting piece

3 Helmet connecting piece 4 One-piece embedded groove

5 Alignment positioning piece 6 Auxiliary connecting device

7 Positioning protrusions 8 Beads

9 lifting extension bar 10 positioning perforation slot

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Figures 1 to 3, the integrally formed inner liner assembly suitable for the helmet includes a fixing part connected with the helmet. The fixing part includes a main fixing part, a left fixing part and a right fixing part, and the three are connected and fastened during use. At the same time, in order to effectively increase the length accuracy of the fixing belt 1, realize accurate assembly and use, and effectively reduce the labor cost of subsequent complicated installation, the tail ends of the main fixing piece, the left fixing piece, and the right fixing piece are integrally formed with fixed with 1.

In view of a preferred embodiment of the present utility model, considering that the main fixing part mainly plays a supporting role, and it will be said that stress pulls from multiple directions such as left and right or front and rear, in order to ensure better strength, it will not Due to the positional deviation during use, the main fixing part used in the utility model includes a V-shaped connecting piece 2, and the top of the V-shaped connecting piece 2 is provided with an independent branch structure, thereby realizing effective stress dispersion. At the same time, in order to achieve a stable connection with the safety helmet and cooperate with subsequent installation components or processes to achieve an effective combination of the two, the top of the branch structure is provided with a safety helmet connector 3 . At the same time, in order to meet the needs of the integral molding of the subsequent fixing belt 1, there will be no molding difficulties due to the fact that the fixing belt 1 and the V-shaped connecting piece 2 are made of different materials. The bottom of the V-shaped connecting piece 2 is provided with an integrally formed embedded The slot 4 is integrally formed with a fixed belt 1 inside the embedded slot 4 . Of course, in order to improve the comfort of the personnel during wearing, the edges of the rectangular fixing piece are provided with rounded chamfers.

Looking further, considering that the inner lining component is a complete left and right fit and connected component, in order to achieve a better wearing effect, the left fixing part adopted in the utility model includes a joint positioning piece 5, and the top end of the joint positioning piece 5 is connected There are safety helmet connectors 3 . At the same time, the middle or lower end of the connecting positioning piece 5 is provided with an integrally formed pre-embedded groove 4 , and a fixing belt 1 is arranged in the integrally formed pre-embedded groove 4 . Considering the positioning requirements of the non-attached fixing belt 1 guided by other components, an auxiliary connection device 6 is provided on the left side of the engagement positioning piece 5, and a lifting extension bar 9 is provided between the engagement positioning piece 5 and the connection device.

Correspondingly, the right fixing piece used also includes an engaging positioning piece 5, the top end of which is connected with a safety helmet engaging piece 3, and the middle or lower end of the engaging positioning piece 5 is provided with an integrally formed embedded groove 4 . Similarly, a fixing belt 1 is provided in the integrally formed embedded groove 4, an auxiliary connection device 6 is provided on the right side of the engaging positioning piece 5, and a lifting extension bar 9 is provided between the engaging positioning piece 5 and the connecting device.

In view of actual implementation, in order to facilitate the connection and positioning of the fixing belt 1 described in the main fixing part, the left fixing part and the right fixing part, the auxiliary connecting device 6 is a connecting buckle, and the connecting buckle is provided with a positioning perforated groove 10, The edge of the connecting buckle is provided with arc chamfering. In this way, the fixing belt 1 will not fall off easily after being inserted into the perforated groove, and there is no sharp part, which does not affect the wearing of the head. Similarly, in order to further enhance the wearing comfort, the edge of the joint positioning piece 5 is also provided with arc chamfering.

Looking further, considering the better integrated molding effect, the fixed belt 1 will not loosen after molding, and will not fall off. The integrated embedded groove 4 adopted includes the embedded groove body and the embedded groove body The top is provided with a positioning protrusion 7, and the middle part of the pre-embedded groove body is distributed with a number of beading bars 8, which are integrally formed with the fixing belt 1 to ensure the combination effect. Of course, considering the difference in processing technology, it is also possible that there are several protrusions distributed in the middle of the embedded groove body, and several through holes are distributed on the fixing belt 1 , and the protrusions are embedded in the through holes and integrally formed with the fixing belt 1 .

It can be seen from the above text description and in conjunction with the accompanying drawings that after the utility model is adopted, it has the following advantages:

1. The main fixing part, left fixing part, right fixing part and their corresponding fixing belts are integrally formed, which can achieve the accuracy of the length of the fixing belt, meet the precise assembly and use, and effectively reduce the labor cost of subsequent complicated installation.

2. The edges of multiple components are rounded and chamfered, which is comfortable to wear and has a better hand feeling during adjustment without being obtrusive.

3. The overall structure is simple, suitable for manufacturing and subsequent fast and stable assembly.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. It should be pointed out that for those of ordinary skill in the art, they can also do Several improvements and modifications are made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (8)

1. An integrally formed inner liner assembly suitable for safety helmets, including a fixing piece connected to the safety helmet, characterized in that: the fixing piece includes a main fixing piece, a left fixing piece, and a right fixing piece, and the main fixing piece , the tail ends of the left fixing part and the right fixing part are all integrally formed with fixing bands (1). 2. The integrally formed inner liner assembly suitable for safety helmets according to claim 1, characterized in that: the main fixing part includes a V-shaped connecting piece (2), and the top of the V-shaped connecting piece (2) An independent branch structure is provided, the top of the branch structure is provided with a safety helmet connector (3), and the bottom of the V-shaped connecting piece (2) is provided with an integrally formed embedded groove (4). A fixing belt (1) is arranged in the buried groove (4). 3. The integrated inner liner assembly suitable for helmets according to claim 2, characterized in that: the helmet connector (3) is a rectangular fixing piece, and the edge of the rectangular fixing piece is provided with an arc inverted horn. 4. The integrally formed inner liner assembly suitable for safety helmets according to claim 1, characterized in that: the left fixing piece includes an engaging positioning piece (5), and the top end of the engaging positioning piece (5) is connected with a The helmet connector (3), the middle or lower end of the connecting positioning piece (5) is provided with an integrally formed embedded groove (4), and the integrally formed embedded groove (4) is provided with a fixing belt (1) , the left side of the engaging positioning piece (5) is provided with an auxiliary connecting device (6), and a lifting extension bar (9) is arranged between the engaging positioning piece (5) and the connecting device. 5. The integrally formed inner liner assembly suitable for safety helmets according to claim 1, characterized in that: the right fixing piece includes an engaging positioning piece (5), and the top end of the engaging positioning piece (5) is connected with a The helmet connector (3), the middle or lower end of the connecting positioning piece (5) is provided with an integrally formed embedded groove (4), and the integrally formed embedded groove (4) is provided with a fixing belt (1) , the right side of the engaging positioning piece (5) is provided with an auxiliary connecting device (6), and a lifting extension bar (9) is arranged between the engaging positioning piece (5) and the connecting device. 6. The integrally formed inner liner assembly suitable for safety helmets according to claim 4 or 5, characterized in that: the auxiliary connecting device (6) is a connecting buckle, and the connecting buckle is provided with a positioning perforation slot (10), the edge of the connecting buckle is provided with arc chamfering. 7. The integrally formed inner liner assembly suitable for safety helmets according to claim 4 or 5, characterized in that: the edge of the engaging positioning piece (5) is provided with arc chamfering. 8. The integrally molded inner liner assembly suitable for safety helmets according to any one of claims 2, 4, or 5, characterized in that: the integrally formed embedded groove (4) includes an embedded groove body, the The top of the embedded groove body is provided with a positioning protrusion (7), and the middle part of the embedded groove body is distributed with a number of beading bars (8), and the beading bars (8) are integrally formed with the fixing belt (1); or, the There are several protrusions distributed in the middle of the pre-embedded groove body, and several through holes are distributed on the fixing belt (1), and the protrusions are embedded in the through holes and integrally formed with the fixing belt (1).