CN213128248U

CN213128248U - Bicycle helmet

Info

Publication number: CN213128248U
Application number: CN202021924970.8U
Authority: CN
Inventors: 包国华
Original assignee: Hangzhou Huace Manufactory And Trading Co ltd
Current assignee: Hangzhou Huace Manufactory And Trading Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-05-07
Anticipated expiration: 2030-09-05

Abstract

The utility model relates to a bicycle helmet, it includes one protects the top district and protects the district with two, protects the top district and comprises two ejector pins, protects the district and comprises two side poles and a bottom bar, and two bottom bar junctions are equipped with first connecting block and second connecting block. An end block is additionally arranged at the position of the ejector rod close to the first connecting block, one end of the ejector rod is fixed on the end block, and the other end of the ejector rod is fixed on the second connecting block; reinforcing ribs are additionally arranged on the end block and are arranged in an arc shape; the strengthening rib both ends set up on the sill bar, and the middle part of strengthening rib sets up on the side lever. This application has the effect that improves the whole shock resistance of bicycle helmet.

Description

Bicycle helmet

Technical Field

The application relates to the technical field of bicycle protective equipment, in particular to a bicycle helmet.

Background

The bicycle helmet can effectively protect the head of a wearer and reduce the collision force on the head. In order to increase the overall impact strength of the helmet, it is common to increase the thickness of the cushioning layer of the helmet or to increase the density of the cushioning layer.

The existing bicycle helmet, as shown in fig. 1, includes a top protection zone 1 and two side protection zones 2 disposed at both sides of the top protection zone 1, the top protection zone 1 is composed of two top rods 11, the top rods 11 protect the top of the head; each lateral section 2 is composed of a bottom bar 22 and two lateral bars 21. The two bottom rods 22 are connected to form a ring-shaped structure which can be sleeved on the head of a wearer. The first connecting block 100 is arranged at the connecting position of the two bottom rods 22 corresponding to the forehead of the head of the wearer, and the second connecting block 200 is arranged at the connecting position of the two bottom rods 22 corresponding to the hindbrain of the head of the user. The side bars 21 in the two side protection zones 2 are arranged between the bottom bar 22 and the top bar 11. One ends of the top bar 11 and the side bar 21 are fixed to the first connecting block 100, and the other ends of the top bar 11 and the side bar 21 are fixed to the second connecting block 200. A rib rod 3 is additionally arranged between the first connecting block 100 and the second connecting block 200, the rib rod 3 is arranged on the top rod 11 and the side rod 21, and two ends of the rib rod 3 are fixed on the bottom rod 22. When the bicycle is collided, the wearer falls forward by inertia, and at this time, part of the side bars 21 receives an impact load, which is transmitted to the rib bar 3 along the side bars 21, and is transmitted from the rib bar 3 to the bottom bar 22, the other side bars 21 and the bottom bar 22.

In view of the above-mentioned related art, the inventor has considered that when the bicycle helmet is hit, an impact force is applied to the side lever 21 near the first connecting block 100, and the side lever 21 can transmit only the impact force to the rib 3, which has a disadvantage that the impact resistance of the bicycle helmet as a whole is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to increase the overall impact resistance of a bicycle helmet, the present application provides a bicycle helmet.

The application provides a bicycle helmet adopts following technical scheme:

a bicycle helmet comprises a top protection area and two side protection areas, wherein the top protection area consists of two top rods, the side protection areas consist of two side rods and a bottom rod, and a first connecting block and a second connecting block are arranged at the joint of the two bottom rods; an end block is additionally arranged at the position, close to the first connecting block, of the ejector rod, one end of the ejector rod is fixed on the end block, and the other end of the ejector rod is fixed on the second connecting block; reinforcing ribs are additionally arranged on the end block and are arranged in an arc shape; the reinforcing rib both ends set up on the sill bar, the middle part of reinforcing rib sets up on the side lever.

Through adopting above-mentioned technical scheme, when the helmet front end received the striking, partial side lever received the impact force, and the side lever takes place deformation, then the impact force transmits for strengthening rib and rib pole, and strengthening rib and rib pole transmit other side levers and ejector pin with the impact force again, and the strengthening rib has shared partly impact force simultaneously for the impact force dispersion has improved the holistic intensity of helmet to whole helmet.

Optionally, the reinforcing rib comprises a first reinforcing rib and a second reinforcing rib, a locking assembly is arranged between one end of the first reinforcing rib and one end of the second reinforcing rib, and the locking assembly and the end block are locked; one end of the first strengthening rib sequentially penetrates through the two side rods from the position close to the end block and is inserted and connected to the bottom rod; one end of the second strengthening rib sequentially penetrates through the two side rods from the position close to the end block and is inserted and connected to the bottom rod.

By adopting the technical scheme, the reinforcing rib is divided into two parts, so that the mounting is convenient; first muscle and the mutual butt of second muscle and spacing through spacing groove and end groove, the locking Assembly locks first muscle and second muscle for first muscle and second muscle are difficult for rocking.

Optionally, the locking assembly includes a locking bolt and a nut, the end block is provided with a bolt hole, the first strengthening rib is provided with a first locking hole corresponding to the bolt hole, and the second strengthening rib is provided with a second locking hole corresponding to the bolt hole; the locking bolt sequentially penetrates through the bolt hole, the second locking hole and the first locking hole, and one end, penetrating through the first locking hole, of the locking bolt is in threaded fit with the nut.

By adopting the technical scheme, the locking bolt penetrates through the end block, the first strengthening rib and the second strengthening rib, and the end block, the first strengthening rib and the second strengthening rib are fixed together by the locking bolt and the nut in a matched mode.

Optionally, the mounting groove has been seted up to the one end that first muscle is close to the second muscle, the one end that the second muscle is close to first muscle is equipped with the mounting panel, the mounting panel is pegged graft in the mounting groove.

Through adopting above-mentioned technical scheme, first muscle and second muscle are pegged graft in the mounting groove internal connection through the mounting panel for first muscle and second muscle butt each other.

Optionally, a positioning block is additionally arranged on the groove wall of the mounting groove, a positioning hole corresponding to the positioning block is formed in the mounting plate, and the positioning block is inserted into the positioning hole.

Through adopting above-mentioned technical scheme, locating piece and locating hole have played further fixed effect for the connection of first strong muscle and second strong muscle is more stable.

Optionally, the reinforcing rib has cup jointed the protective sheath outward, the protective sheath sets up on the side lever.

Through adopting above-mentioned technical scheme, receive the collision when the bicycle helmet makes the strengthening rib cracked, the piece of strengthening rib is in the protective sheath, and the strengthening rib piece can not cause the injury to the human body.

Optionally, an elastic strip is added on the reinforcing rib, and the elastic body is arranged in the protective sleeve.

Through adopting above-mentioned technical scheme, when the strengthening rib received the impact, the elastic layer can play the cushioning effect.

Optionally, the side edge of the reinforcing rib facing the first connecting block is provided with a smooth round angle.

Through adopting above-mentioned technical scheme, glossy fillet has good wind-guiding ability, reduces the resistance that the helmet received when riding.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the front end of the helmet is impacted, part of the side rods are impacted, the side rods deform, then the impact force is transmitted to the reinforcing ribs and the rib rods, the reinforcing ribs and the rib rods transmit the impact force to other side rods and the ejector rods, and meanwhile, the reinforcing ribs share part of the impact force, so that the impact force is dispersed to the whole helmet, and the integral strength of the helmet is improved;

2. the reinforcing ribs are arranged to be detachable, so that a wearer can conveniently replace the reinforcing ribs;

3. through increasing the protective sheath for the damaged piece of strengthening rib can not cause the injury to the people.

Drawings

FIG. 1 is a schematic view of the overall structure of a bicycle helmet in the background art;

FIG. 2 is a schematic diagram of the overall structure of the present application;

FIG. 3 is a schematic illustration of the explosive structure of the present application;

FIG. 4 is a top view of the present application;

fig. 5 is a sectional view taken along line a-a in fig. 4.

Description of reference numerals: 1. a roof protecting area; 11. a top rod; 12. an end-block; 121. bolt holes; 2. a lateral protection zone; 21. a side lever; 211. a limiting pore channel; 22. a bottom bar; 221. an end slot; 3. a rib bar; 4. reinforcing ribs; 41. first strengthening ribs; 411. mounting grooves; 4111. positioning blocks; 42. second strengthening ribs; 421. mounting a plate; 4211. positioning holes; 51. a first locking hole; 52. a second locking hole; 6. a locking assembly; 61. a locking bolt; 62. a nut; 7. an elastic strip; 8. a protective sleeve; 100. a first connection block; 200. and a second connecting block.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses a bicycle helmet, and referring to fig. 2, the bicycle helmet comprises a top protection area 1 and two side protection areas 2 arranged at two sides of the top protection area 1, wherein the top protection area 1 consists of two ejector rods 11, and the ejector rods 11 protect the tops of heads; each lateral section 2 is composed of a bottom bar 22 and two lateral bars 21. The two bottom rods 22 are connected to form a ring-shaped structure which can be sleeved on the head of a wearer. The first connecting block 100 is arranged at the connecting position of the two bottom rods 22 corresponding to the forehead of the head of the wearer, and the second connecting block 200 is arranged at the connecting position of the two bottom rods 22 corresponding to the hindbrain of the head of the user. The side bars 21 in the two side protection zones 2 are arranged between the bottom bar 22 and the top bar 11. A rib rod 3 is additionally arranged between the first connecting block 100 and the second connecting block 200, the rib rod 3 is arranged on the top rod 11 and the side rod 21, and two ends of the rib rod 3 are fixed on the bottom rod 22.

An end block 12 is additionally arranged at the position of the top rods 11 close to the first connecting block 100, one end of each of the two top rods 11 is fixed on the end block 12, and the other end of each of the two top rods 11 is fixed on the second connecting block 200. One end of the side rod 21 is fixed to the first connecting block 100, and the other end is fixed to the second connecting block 200.

A reinforcing rib 4 is additionally arranged on the end block 12, the reinforcing rib 4 is arranged in an arc shape, the reinforcing rib 4 and the side rod 21 are detachably arranged, and two ends of the reinforcing rib 4 are arranged on the bottom rod 22. When the front end of the helmet is impacted, part of the side rods 21 are impacted, the side rods 21 deform, then the impact force is transmitted to the reinforcing ribs 4 and the rib rods 3, and the reinforcing ribs 4 and the rib rods 3 transmit the impact force to other side rods 21 and the ejector rods 11, so that the impact force is dispersed to the whole helmet, and the integral strength of the helmet is improved

Referring to fig. 3, the reinforcing rib 4 is detachably connected, the reinforcing rib 4 includes a first reinforcing rib 41 and a second reinforcing rib 42, one end of the first reinforcing rib 41 close to the second reinforcing rib 42 is provided with an installation groove 411, and a positioning block 4111 is additionally arranged on a groove wall of the installation groove 411; the second strengthening ribs 42 are provided with mounting plates 421 at ends close to the first strengthening ribs 41, the mounting plates 421 are provided with positioning holes 4211 corresponding to the positioning blocks 4111, and the positioning blocks 4111 are inserted into the positioning holes 4211, so that the first strengthening ribs 41 and the second strengthening ribs 42 are more stably connected. The upper surface of the mounting plate 421 is aligned with the upper surface of the second rib 42, and the mounting plate 421 and the mounting groove 411 are inserted and matched to form a whole body with the same thickness as the first rib 41.

The first strengthening rib 41 and the second strengthening rib 42 are fixed to the end block 12 at the end facing the first connection block 100 by the locking assembly 6. The locking assembly 6 comprises a locking bolt 61 and a nut 62, a bolt hole 121 is formed in the end block 12, a first locking hole 51 corresponding to the bolt hole 121 is formed in the groove wall of the mounting groove 411, a second locking hole 52 corresponding to the bolt hole 121 is formed in the mounting plate 421, the locking bolt 61 sequentially penetrates through the bolt hole 121, the second locking hole 52 and the first locking hole 51, and one end of the locking bolt 61 penetrating through the first locking hole 51 is in threaded fit with the nut 62. The locking bolt 61 and the nut 62 cooperate to lock the first strengthening rib 41 and the second strengthening rib 42 below the end block 12, so that the first strengthening rib 41 and the second strengthening rib 42 are not easily shaken.

With reference to fig. 3 and 4, the side lever 21 has a limit hole 211, the bottom lever 22 has two end slots 221, the first and

second ribs

41 and 42 are sleeved with the transparent protective sleeve 8, and the protective sleeve 8 is in interference fit with the limit hole 211 and the protective sleeve 8 and the end slots 221. When the protective sleeve 8 is installed, the protective sleeve 8 is sleeved outside the first strengthening ribs 41 and the second strengthening ribs 42, then the protective sleeve 8 passes through the limiting hole passage 211, and one end of the protective sleeve 8 passing through the limiting hole passage 211 abuts against the bottom of the end groove 221.

Referring to fig. 5, the first and second strengthening

ribs

41 and 42 are provided as rounded corners toward the sides of the first connection block 100. The first strengthening ribs 41 and the second strengthening ribs 42 are glued with elastic strips 7 made of rubber materials on the side edges facing the second connecting block 200, and the protective sleeve 8 is sleeved outside the elastic strips 7.

The implementation principle of the embodiment of the application is as follows: when the bicycle receives the collision wearer and falls down forward, bicycle helmet front end receives an impact force, and partial side lever 21 receives the impact force, and side lever 21 takes place to be deformed, then the impact force transmits for strengthening rib 4 and rib pole 3, and strengthening rib 4 and rib pole 3 transmit the impact force again for other side levers 21 and ejector pin 11, and strengthening rib 4 has shared some impact force simultaneously.

When the first and second reinforcing

ribs

41, 42 are crushed due to an excessive impact force, the fragments are contained in the protective cover 8 and do not cause injury to the wearer.

When the reinforcing rib 4 needs to be replaced, the locking bolt 61 is only required to be unscrewed, the first reinforcing rib 41 and the second reinforcing rib 42 which need to be replaced are taken out together with the protective sleeve 8, and the fragments in the protective sleeve 8 are poured out; and then, inserting new first strengthening ribs 41 and second strengthening ribs 42 into the protective sleeve 8 again, wherein the protective sleeve 8 containing the first strengthening ribs 41 or the second strengthening ribs 42 passes through the limiting hole passage 211, and one end of the protective sleeve 8 passing through the limiting hole passage 211 abuts against the groove bottom of the end groove 221, then aligning, inserting and matching the positioning block 4111 and the positioning block 4111, sequentially passing through the bolt hole 121, the second locking hole 52 and the first locking hole 51 by using the locking bolt 61, and locking the first strengthening ribs 41 and the second strengthening ribs 42 below the end block 12 by using the nut 62.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A bicycle helmet comprises a top protection area (1) and two side protection areas (2), wherein the top protection area (1) consists of two top rods (11), the side protection areas (2) consist of two side rods (21) and a bottom rod (22), and a first connecting block (100) and a second connecting block (200) are arranged at the joint of the two bottom rods (22); the method is characterized in that: an end block (12) is additionally arranged at the position, close to the first connecting block (100), of the ejector rod (11), one end of the ejector rod (11) is fixed on the end block (12), and the other end of the ejector rod (11) is fixed on the second connecting block (200); reinforcing ribs (4) are additionally arranged on the end block (12), and the reinforcing ribs (4) are arranged in an arc shape; the two ends of the reinforcing rib (4) are arranged on the bottom rod (22), and the middle part of the reinforcing rib (4) is arranged on the side rod (21).

2. A bicycle helmet according to claim 1, wherein: the reinforcing rib (4) comprises a first reinforcing rib (41) and a second reinforcing rib (42), a locking assembly (6) is arranged between one end of the first reinforcing rib (41) and one end of the second reinforcing rib (42), and the locking assembly (6) and the end block (12) are locked; one end of the first strengthening rib (41) sequentially penetrates through the two side rods (21) from the position close to the end block (12) and is inserted and connected onto the bottom rod (22); one end of the second strengthening rib (42) sequentially penetrates through the two side rods (21) from the position close to the end block (12) and is inserted and connected onto the bottom rod (22).

3. A bicycle helmet according to claim 2, wherein: the locking assembly (6) comprises a locking bolt (61) and a nut (62), a bolt hole (121) is formed in the end block (12), a first strengthening rib (41) is provided with a first locking hole (51) corresponding to the bolt hole (121), and a second strengthening rib (42) is provided with a second locking hole (52) corresponding to the bolt hole (121); the locking bolt (61) sequentially penetrates through the bolt hole (121), the second locking hole (52) and the first locking hole (51), and one end, penetrating through the first locking hole (51), of the locking bolt (61) is in threaded fit with the nut (62).

4. A bicycle helmet according to claim 3, wherein: mounting groove (411) have been seted up to first muscle (41) one end that is close to second muscle (42), the one end that second muscle (42) are close to first muscle (41) is equipped with mounting panel (421), mounting panel (421) are pegged graft in mounting groove (411).

5. A bicycle helmet according to claim 4, wherein: a positioning block (4111) is additionally arranged on the wall of the mounting groove (411), a positioning hole (4211) corresponding to the positioning block (4111) is formed in the mounting plate (421), and the positioning block (4111) is inserted into the positioning hole (4211).

6. A bicycle helmet according to claim 1, wherein: the reinforcing rib (4) has cup jointed protective sheath (8) outward, protective sheath (8) set up on side lever (21).

7. A bicycle helmet according to claim 6, wherein: an elastic strip (7) is additionally arranged on the reinforcing rib (4), and the elastic strip (7) is arranged in the protective sleeve (8).

8. A bicycle helmet according to claim 7, wherein: the side edge of the reinforcing rib (4) facing the first connecting block (100) is set to be a smooth round angle.