CN216393199U

CN216393199U - Durable helmet safety eye-splice

Info

Publication number: CN216393199U
Application number: CN202122367144.9U
Authority: CN
Inventors: 梁锦辉
Original assignee: Foshan Kaiji Trade Co ltd
Current assignee: Foshan Kaiji Trade Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-29
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a part, a part or an accessory of a helmet and discloses a durable helmet safety eye-splice, which comprises an insert and a lock catch, wherein the left side and the right side of the insert are symmetrically provided with more than one clamping opening; the lock catch piece comprises a base, a first connecting piece, a second connecting piece, two clamping pieces and two bidirectional torsion springs; the first connecting piece is fixedly arranged above the base, the two clamping pieces are respectively arranged on the left side and the right side of the first connecting piece, and the first connecting piece, the two clamping pieces and the base are hinged through a first pin shaft; the clamping piece is provided with more than one clamping tooth; the bayonet is meshed with the latch. The buckle is firmly locked by the mutual engagement of the latch and the bayonet, the abrasion is less, and the service life is long. Through the fixed stretching strap that is used for assisting opening the hasp piece of the mode that sets up magnetism structure, lasso fixed knot structure, stretching strap standing groove, promote user experience. The provision of channel ribs and sleeves for the chinstrap on the insert further increases the durability of the utility model.

Description

Durable helmet safety eye-splice

Technical Field

The utility model relates to a part, a part or an accessory of a helmet, in particular to a durable helmet safety buckle.

Background

The safety buckle of the helmet can make the helmet tightly attached to the head so as to protect the head. Common helmet safety eye-splice in the existing market includes plug-in components, hasp spare, thereby plug-in components insert in the hasp spare by the realization hasp and adjust through the plug-in components and make the helmet elasticity moderate, the laminating head. However, such safety buckles have the following disadvantages: the plug-in and the lock catch are mostly made of plastic materials, so that the tensile strength is low, and the plug-in and the lock catch have fracture risks in case of accidents; the inserting piece part and the threading part of the inserting piece are of a split structure, so that the installing process is complex and not light enough.

The prior application (patent number CN213247176U) discloses a helmet safety buckle, which comprises an insert and a lock catch, wherein the insert is made of metal, the head part of the insert is a first lacing part, and the tail part of the insert is an insert; the lock catch piece consists of a base, a buckle, a surface buckle, a torsion spring and a bolt, wherein the base and the buckle are made of metal, and the surface buckle is made of plastic; the buckle is arranged below the surface buckle and is hinged with the base through a shaft and a bolt, so that a space is formed between the buckle and the base for the insertion of the insertion piece. The sawtooth of inserted sheet and the mutual interlock of the sawtooth of buckle realize locking. The plug-in components are designed by integrally forming the threading parts and the plug-in sheets, so that the installation procedures are reduced. Plug-in components, buckle and the base of metal material are more durable, and more stable, tensile strength is bigger during the hasp. However, the insert buckle has the following drawbacks: firstly, the sawteeth of the inserting sheet and the sawteeth of the buckle are engaged and loosened for a plurality of times for a long time, so that materials are abraded, and the inserting buckle is easy to loosen; secondly, if the buckle is used as a buckle of a motorcycle helmet, when the motorcycle runs at high speed, the drawstring tied on the surface buckle for assisting the opening of the lock catch can flutter with the wind, thus causing bad influence on the use feeling.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings of the prior art, the utility model aims to provide a durable helmet safety buckle which is durable, high in tensile strength, safe, stable and good in user experience.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a durable helmet safety eye-splice comprises an insert and a lock catch piece, wherein the insert is provided with an insert for inserting the lock catch piece, and the left side and the right side of the insert are symmetrically provided with more than one bayonet; the lock catch piece comprises a base, a first connecting piece, a second connecting piece, two clamping pieces and two bidirectional torsion springs; the first connecting piece is fixedly arranged above the base, so that a space is formed between the first connecting piece and the base, the two clamping pieces are respectively arranged on the left side and the right side of the first connecting piece, and the first connecting piece, the two clamping pieces and the base are hinged by a first pin shaft; the clamping piece is provided with a first through hole, the two bidirectional torsion springs are sleeved on the first pin shaft, one ends of the two bidirectional torsion springs are fixed on the first connecting piece, and the other ends of the two bidirectional torsion springs penetrate through the first through hole; the second connecting piece is fixedly arranged between the two clamping pieces; the clamping piece is provided with more than one clamping tooth; the bayonet is meshed with the latch.

Furthermore, the first connecting piece is hinged with the base through a second pin shaft parallel to the first pin shaft, so that the first connecting piece is fixedly arranged above the base.

Furthermore, the two clamping pieces are provided with second through holes, and the second connecting piece is provided with a positioning block matched with the second through holes and a limit stop abutted against the clamping pieces, so that the second connecting piece is fixedly arranged between the two clamping pieces.

Furthermore, the limit stop abuts against the rear side face or the upper side face of the clamping piece.

Furthermore, the lock catch piece also comprises a handheld ring, and the handheld ring is provided with a first blind hole and a first magnet embedded in the first blind hole; the first pin shaft penetrates through the front end of the first connecting piece, the second connecting piece is arranged above the rear end of the first connecting piece, the second connecting piece is provided with a first belt penetrating hole, the first belt penetrating hole is connected with the handheld ring through a pull belt, the handheld ring can rotate towards the first connecting piece through the pull belt around the first belt penetrating hole, and a second blind hole and a second magnet embedded into the second blind hole are arranged at the position, corresponding to the first blind hole, of the first connecting piece. Through magnetism structure of inhaling, fix the stretching strap on inserting and detaining, promote user experience.

Furthermore, the first connecting piece is provided with a handheld ring fixing block matched with the handheld ring inner hole in shape. The handheld ring is sleeved on the handheld ring fixing block, so that the pull belt is further fixed and is not easy to loosen.

Furthermore, the second connecting piece is provided with a drawstring placing groove. Furthermore, the drawstring is fixed, and the surface lines of the lock catch piece are more smooth and beautiful.

Furthermore, more than one groove-shaped reinforcing rib is arranged on the upper side surface of the inserting piece. The design of slot type strengthening rib makes the difficult rupture of inserted sheet.

Furthermore, the left side and the right side of the rear end of the inserting piece are respectively provided with a lug, the two lugs are connected through a third pin shaft, and a shaft sleeve is sleeved outside the third pin shaft. The belt penetrating space is formed among the shaft sleeve, the inserting sheet and the two protruding sheets, and the jaw belt is sleeved on the shaft sleeve after penetrating and is not directly sleeved on the third pin shaft, so that the abrasion of the third pin shaft and the protruding sheets caused in the use process can be reduced.

Further, the base is provided with a second perforating hole. For threading the chin strap.

Compared with the prior art, the utility model has the following advantages and effects:

the latch is firmly locked by mutually engaging the latch of the clamping piece and the bayonet of the inserting piece, and compared with the latch locked by engaging the saw teeth, the structure has the advantages of less abrasion and longer service life. Through magnetism structure of inhaling to fix the stretching strap on hasp spare surface, promote user experience and make the eye-splice more pleasing to the eye. The arrangement of the groove-shaped reinforcing ribs enables the plug-in to be difficult to break, and the arrangement of the shaft sleeve can reduce abrasion and enable the plug-in to be more durable.

Drawings

FIG. 1 is an exploded perspective view of embodiment 1 of the present invention;

FIG. 2 is a perspective view showing the connection between a second connecting member and a clip according to embodiment 1 of the present invention;

fig. 3 is an exploded perspective view of a second connecting member and a clip according to embodiment 2 of the present invention;

FIG. 4 is a perspective view showing the connection between a second connecting member and a clip according to embodiment 2 of the present invention;

FIG. 5 is a perspective view of the present invention;

fig. 6 is a perspective view of the latch of the present invention.

In the drawing, 1, an insert, 11, an insert, 111, a bayonet, 112, a groove-shaped reinforcing rib, 113, a third pin shaft, 114, a shaft sleeve, 12, a lug, 2, a locking piece, 21, a base, 211, a second perforating hole, 22, a first connecting piece, 221, a second blind hole, 222, a second magnet, 223, a handheld ring fixing block, 23, a second connecting piece, 231, a positioning block, 232, a limit stop, 233, a first perforating hole, 234, a drawstring placing groove, 24, a clamping piece, 241, a first through hole, 242, a clamping tooth, 243, a second through hole, 25, a bidirectional torsion spring, 26, a first pin shaft, 27, a second pin shaft, 28, a handheld ring, 281, a first blind hole, 282, a first magnet and 29.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1, 2 and 3, the durable helmet safety eye-splice comprises an insert 1 and a fastener 2, wherein the insert 1 is provided with an insert 11 for inserting the fastener 2, and the insert 11 is symmetrically provided with more than one bayonet 111 at the left and right sides; the lock catch piece 2 comprises a base 21, a first connecting piece 22, a second connecting piece 23, two clamping pieces 24 and two bidirectional torsion springs 25; the first connecting piece 22 is fixedly arranged above the base 21, so that a space is formed between the first connecting piece 22 and the base 21, the two clamping pieces 24 are respectively arranged at the left side and the right side of the first connecting piece 22, and the first connecting piece 22, the two clamping pieces 24 and the base 21 are hinged by a first pin shaft 26; the clamping piece 24 is provided with a first through hole 241, the two bidirectional torsion springs 25 are sleeved on the first pin shaft 26, one end of each of the two bidirectional torsion springs 25 is fixed on the first connecting piece 22, and the other end of each of the two bidirectional torsion springs 25 penetrates through the first through hole 241; the second connecting piece 23 is fixedly arranged between the two clamping pieces 24; the clamping piece 24 is provided with more than one clamping tooth 242; the bayonet 111 and the latch 242 are engaged with each other. The first connecting member 22 is hinged to the base 21 by a second pin 27 parallel to the first pin 26, so that the first connecting member 22 is fixedly disposed above the base 21. The two clamping pieces 24 are both provided with a second through hole 243, and the second connecting piece 23 is provided with a positioning block 231 matched with the second through hole 243 and a limit stop 232 abutted against the clamping pieces 24, so that the second connecting piece 23 is fixedly arranged between the two clamping pieces 24. The limit stop 232 abuts against the rear side of the clip 24. The locking fastener 2 further comprises a hand-held ring 28, wherein the hand-held ring 28 is provided with a first blind hole 281 and a first magnet 282 embedded in the first blind hole 281; the first pin shaft 26 penetrates through the front end of the first connecting piece 22, the second connecting piece 23 is arranged above the rear end of the first connecting piece 22, the second connecting piece 23 is provided with a first perforating hole 233, the first perforating hole 233 is connected with the handheld ring 28 through a pull belt 29, the handheld ring 28 can rotate towards the first connecting piece 22 around the first perforating hole 233 through the pull belt 29, and a second blind hole 221 and a second magnet 222 embedded in the second blind hole 221 are arranged at the position, corresponding to the first blind hole 281, of the first connecting piece 22. The first connecting member 22 is provided with a hand ring fixing block 223 which is matched with the shape of the inner hole of the hand ring 28. The second connector 23 is provided with a drawstring placement groove 234. More than one groove-shaped reinforcing rib 112 is arranged on the upper side surface of the inserting piece 11. The left side and the right side of the rear end of the inserting sheet 11 are respectively provided with a protruding sheet 12, the two protruding sheets 12 are connected through a third pin shaft 113, and a shaft sleeve 114 is sleeved outside the third pin shaft 113. The base 21 is provided with a second perforation hole 211.

Example 2

This embodiment is different from embodiment 1 in that, as shown in fig. 2, the limit stopper 232 abuts against the upper side surface of the clip 24.

When this durable type helmet safety eye-splice used, second foraminiferous hole 211 was worn to be equipped with first chinstrap, has worn the second chinstrap between inserted sheet 11 and the axle sleeve 114. As shown in fig. 3 and 4, during locking, the handle ring 28 is held to pull up the pull strap 29, the pull strap 29 drives the second connecting member 23 to rotate around the first pin 26, so as to drive the clamping piece 24 to open upwards, the insertion piece 11 is inserted into the space between the first connecting member 22 and the base 21, the latch 242 is clamped in the bayonet 111, the first connecting member 22 presses the clamping piece 24 by using the elastic force of the bidirectional torsion spring 25, so as to firmly lock the buckle, the handle ring 28 is held, the pull strap 29 is driven to rotate around the first perforation hole 233 towards the first connecting member 22, the handle ring 28 is sleeved on the handle ring fixing block 223, and the handle ring 28 and the pull strap 29 are fixed by using the first magnet 282 and the second magnet 222 to attract each other and the placement groove 234. When the locking button is released, the handle ring 28 is held to pull up the pull belt 29, the pull belt 29 drives the second connecting piece 23 to rotate around the first pin shaft 26, so that the clamping piece 24 is driven to be opened upwards, the clamping tooth 242 is separated from the bayonet 111, and the inserting piece 12 is taken out of the locking button piece 2.

Claims

1. A durable helmet safety eye-splice comprises an insert and a lock catch, and is characterized in that the insert is provided with an insert for inserting the lock catch, and the left side and the right side of the insert are symmetrically provided with more than one bayonet; the lock catch piece comprises a base, a first connecting piece, a second connecting piece, two clamping pieces and two bidirectional torsion springs; the first connecting piece is fixedly arranged above the base, so that a space is formed between the first connecting piece and the base, the two clamping pieces are respectively arranged on the left side and the right side of the first connecting piece, and the first connecting piece, the two clamping pieces and the base are hinged by a first pin shaft; the clamping piece is provided with a first through hole, the two bidirectional torsion springs are sleeved on the first pin shaft, one ends of the two bidirectional torsion springs are fixed on the first connecting piece, and the other ends of the two bidirectional torsion springs penetrate through the first through hole; the second connecting piece is fixedly arranged between the two clamping pieces; the clamping piece is provided with more than one clamping tooth; the bayonet is meshed with the latch.

2. The safety buckle as claimed in claim 1, wherein the first connecting member is hinged to the base by a second pin parallel to the first pin, such that the first connecting member is fixed above the base.

3. The safety buckle of claim 1, wherein the two clamping pieces are provided with second through holes, and the second connecting member is provided with a positioning block matched with the second through holes and a limit stop abutting against the clamping pieces, so that the second connecting member is fixedly arranged between the two clamping pieces.

4. A durable helmet safety catch according to claim 3, wherein the limit stop abuts against the rear or upper side of the clip.

5. The durable helmet safety buckle according to any one of claims 1 to 3, wherein said locking member further comprises a hand ring, said hand ring having a first blind hole and a first magnet embedded in the first blind hole; the first pin shaft penetrates through the front end of the first connecting piece, the second connecting piece is arranged above the rear end of the first connecting piece, the second connecting piece is provided with a first belt penetrating hole, the first belt penetrating hole is connected with the handheld ring through a pull belt, the handheld ring can rotate towards the first connecting piece through the pull belt around the first belt penetrating hole, and a second blind hole and a second magnet embedded into the second blind hole are arranged at the position, corresponding to the first blind hole, of the first connecting piece.

6. The safety buckle according to claim 4, wherein the first connecting member is provided with a fixing block for the hand-held ring matching with the shape of the inner hole of the hand-held ring.

7. A durable helmet safety catch according to claim 4, wherein the second connector is provided with a drawstring receiving slot.

8. A durable helmet safety catch according to any one of claims 1 to 3, 6 or 7, wherein the upper side of the insert is provided with one or more channel ribs.

9. A durable helmet safety catch according to any one of claims 1 to 3, 6 or 7, wherein a tab is provided on each of the left and right sides of the rear end of the insert, the two tabs are connected by a third pin, and a bushing is sleeved around the third pin.

10. A durable helmet safety catch according to any one of claims 1 to 3, 6 or 7, wherein the base is provided with a first perforation.