TWI580854B - Used to provide the helmet is locked lock - Google Patents

Description

Used to provide a lock on which the helmet is locked

The invention relates to a lock for providing a safety helmet to be locked, in particular to a buckle attached to a fastening strap of a safety helmet, which is used for locking a safety helmet with a lock mounted on the locomotive. To prevent the stolen lock from being used to provide a lock on the helmet.

In Taiwan, locomotives are a commonly used means of transportation. For safety reasons, helmets need to be worn when riding a locomotive. However, due to the large size of the helmets, some locomotive compartments cannot accommodate helmets. Most locomotives with helmets can only be placed with one helmet in the compartment, so if there are two helmets, at least one helmet needs to be placed on the outside of the locomotive. A common choice is to The helmet is sleeved on the outside of the mirror of the locomotive. Since the general locomotive does not provide an additional lock for locking the helmet, the helmet placed outside the locomotive can easily be stolen if the helmet is not placed in the compartment of the locomotive.

In order to solve the problem, the present invention provides a lock for providing a helmet to be locked, comprising: a body comprising a receiving slot and a locking slot, the base further comprising an inlet communicating with the receiving slot; a block , the displacement block can be movably received in the receiving slot between a latching position and a releasing position; a locking block can be lockedly mounted in the sliding slot, the locking block is coupled with the latching block, and the locking block is not locked Displaceable between a locked position and an unlocked position; a body comprising a bottom wall and two side walls formed on opposite sides of the bottom wall and spaced apart from each other, the body comprising two formed on the two side walls a first coupling groove, the body further comprising at least one second coupling groove formed on any at least one side wall, the body further comprising a clamping arm formed on the other side of the bottom wall, the engaging arm comprising the inlet into the seat body and a clamping end engaged with the card block; a clamping member comprising a plurality of teeth and two spaced apart pivot portions and at least one joint portion, the two pivot portions of the clamping member respectively combined with the two first portions The slot is pivoted and the clamping member can be Binding groove is movable between a first non-engaging position and an engaging position, to define between the clamping member and the body for providing a helmet that has a channel through which a fastening tape.

When the clamping member is in the non-fastening position, the at least one joint portion of the clamping member is separated from the at least one second coupling groove, and the body and the clamping member are allowed to slide relative to the fastening tape when the clamping member is in the fastening position. At least one joint portion of the clamping member is engaged with the at least one second coupling groove, and the plurality of teeth of the clamping member cooperate with the bottom wall of the body to clamp the fastening strap, so that the body and the clamping member do not slide relative to the fastening strap, In a state where the lock block is in the locked position and is locked, the lock block is not allowed to be displaced from the locked position to the unlocked position, and in the state where the lock block is in the locked position and released, the lock block is allowed to be unlocked from the locked position. Position displacement, in the state where the lock block is in the locked position and the lock is engaged with the block, the lock is not allowed to be separated from the block, the safety helmet is not allowed to be removed, and the lock block is released from the locked position to unlock In the position state, the block is separated from the lock, allowing the helmet to be removed.

The present invention provides another lock for providing a safety helmet to be locked, comprising a body and a clamping member detachably coupled to the body, the body comprising a bottom wall and a clamping arm, the clamping member including an inner portion a surface and a tooth formed on the inner surface, the bottom wall of the body and the teeth of the clamping member define a passage, the passage provides a fastening band possession of the safety cap, and the clamping member is coupled with the body The body and the clamping member are not allowed to be displaced relative to the fastening band, and the clamping member and the body are allowed to be displaced relative to the fastening band in a state in which the clamping member is separated from the body, and the engaging arm is used to be fixed at A lock on one of the locomotives of the locomotive is locked.

The invention cooperates with a lock mounted on the helmet of the locomotive to provide a lock function of the helmet, which can effectively reduce the theft rate of the helmet. The buckle of the present invention passes through the detachable design of the clamping member, so that it can be easily mounted on a fastening tape which is commercially available, but not limited to a commercially available safety helmet, has the advantage of easy installation and the user does not have to change the helmet. benefit.

The invention will be more clearly understood from the following detailed description of exemplary embodiments of the invention.

According to the drawings, the lock for securing the helmet is provided with a lock 10 coupled to a casing 12A of a locomotive 12 and a lock coupled to a helmet 14 and lockable by the lock. A latch 211 (shown in Figures 1, 6A-7), wherein the lock 10 includes a base 20 that includes a separate first portion 22 and a second portion 42 that is separate from the first portion 22 ( Figure 2) wherein the first portion 22 includes a front end face 24 and a rear end face 26 that are spaced apart from each other, the first portion 22 further including an upper end face 28 extending between the front and rear end faces 24, 26 and The lower end surface 28 is parallel to the lower end surface 30 and the inner end surface 31 between the front and rear end surfaces 24, 26 and the upper and lower end surfaces 28, 30. The first portion 22 is further formed on the upper end surface 28 and is located in front. a buffer groove 34 between the rear end faces 24, 26, and an inlet extending from the front end face 24 to the buffer groove 34 The first portion 22 also includes a recess 36 formed in the upper end surface 28, a notch 38, and a pivot hole 40 formed in the bottom surface of the recess 38. The recess 36 is substantially perpendicular to the buffer slot 34 and The buffer groove 34 is in communication, and the notch 38 is located between the buffer groove 34 and the receiving groove 36.

The second portion 42 includes a front surface 44 and a rear surface 46 that are spaced apart from each other in parallel. The second portion 42 further includes an upper surface 48 and an upper surface 48 extending between the front and rear surfaces 44, 46. In parallel with the lower surface 50, the second portion 42 in turn includes an inner surface 52 between the front and rear surfaces 44, 46 and the upper and lower surfaces 48, 50 and an outer surface spaced parallel to the inner surface 52. 54. The second portion 42 also includes a locking groove 56 extending from the front surface 44 to the rear surface 46 but spaced from the rear surface 46, the locking groove 56 extending to the outer surface 54, the locking groove 56 defining an inner and outer surface A bottom surface 58 between 52 and 54, the second portion 42 includes four chambers 60 formed in the bottom surface 58 and a recess 55 formed in the upper surface 48 and in communication with the locking groove 56.

The inner surface 52 of the second portion 42 of the seat 20 abuts against the inner end surface 31 of the first portion 22 (as shown in Fig. 4), and the upper surface 48 of the second portion 42 is flush with the upper end surface 28 of the first portion 22. High, the groove 55 of the second portion 42 is aligned with the notch 38 of the first portion 22, and the inlet 32 of the first portion 22 is aligned with the locking groove 56 of the second portion 42.

According to the drawings, the lock 10 of the present invention further includes a buffer block 62 slidably received in the buffer groove 34 of the base body 20 and a buffer spring 64 that allows the buffer block 34 to be advanced along the buffer groove 34. (as shown in Fig. 4) and a retracted position (as shown in Figs. 8 and 9), the buffer spring 64 is located between the buffer block 62 and the end wall of the buffer groove 34, so that the buffer spring 64 will buffer the block. 62 is offset in the forward position (as shown in Figure 4).

The lock 10 of the present invention also includes a block 66 received in the pocket 36. The block 66 includes a projection 70 formed on the upper surface, the block 66 further including a pressing surface 68 formed at an inclined end. The block 66 is allowed to be displaced along the pocket 36 between an engaged position (as shown in Figs. 8-10) and a release position (as shown in Fig. 11), and when the block 66 is in the engaged position In the state, the pressing surface 68 of the block 66 is located in the buffer groove 34 (as shown in Fig. 4).

The lock 10 of the present invention further includes a lock block 82 movably received within the lock groove 56 of the base body 20. The lock block 82 includes an outer end 82A and an inner end 82B, and between the outer and inner ends 82A, 82B. An upper side 84 and a contact surface 86 extending perpendicular to each other, the locking block 82 defines an open slot 90, the contact surface 86 includes a plurality of recesses 88 corresponding to the respective chambers 60, the lock block 82 further including the formation A dial portion 92 on the upper side 84.

The contact surface 86 of the lock block 82 abuts against the bottom surface 58 of the lock groove 56 (as shown in FIG. 4). The dial portion 92 of the lock block 82 is received in the recess 55, and the lock block 82 can be along the lock groove 56. Displaced between a locked position (as shown in Figures 4, 5, 8-10) and an unlocked position (as shown in Figure 11), the groove 55 is displaced from the locked position by the locking block 82 to The length of the unlocking position is slightly larger than the distance that the locking block 82 is displaced from the locking position to the unlocking position. Further, a driving spring 94 is disposed between the locking block 82 and the end surface of the locking groove 56 of the second portion 42, and the driving spring 94 is The lock block 82 is biased in the locked position. When the lock block 82 is in the locked position, the respective recesses 88 of the lock block 82 are respectively aligned with the respective chambers 60 of the base 20.

Each of the chambers 60 respectively accommodates a magnetic block 89 and a spring 91. The springs 91 are respectively located between the corresponding magnetic blocks 89 and the abutting walls of the chamber 60, and the springs 91 are biased toward the direction of the lock block 82. Magnetic card block 89.

According to the drawings, the lock 10 of the present invention also includes a linkage block 72 pivotally connected to the base 20. The linkage block 72 includes a first end 74 and a second end 76 spaced from the first end 74. The block 72 further includes a pivot portion 78 between the first and second ends 74, 76. The linkage block 72 further includes a linkage groove 80 formed in the second end 76.

The lock 10 needs to be unlocked by using a corresponding (correct) key 175 for unlocking the lock block 82. The inside of the key 175 is provided with a plurality of magnetic pins 177 aligned with the magnetic blocks 89 but opposite in polarity. When the key 175 is inserted into the slot 90 of the lock block 82 by the key hole 113, the magnetic pins 177 are compressed into the respective chambers 60 by the respective springs 91 due to the magnetic repulsion. Figure 10) further permits the use of the key 175 to push the lock block 82 from the locked position to the unlocked position.

The interlocking block 72 is received in the notch 38. The pivoting portion 78 of the linking block 72 is pivotally connected to the pivot hole 40. The first end 74 of the linking block 72 is received in the recess 55 of the second portion 42 and abuts against On the toggle portion 92 of the lock block 82, the second end 76 of the linkage block 72 is located above the block 66, and the linkage groove 80 of the linkage block 72 is slidably coupled with the protrusion 70 of the block 66 (Fig. 4) As shown, when the lock block 82 is pivoted from the locked position (as shown in FIG. 4) to the unlocked position (as shown in FIG. 11), the linkage block 72 is pivoted, and the interlocking block 66 is further displaced. In addition, a torsion spring 81 is disposed between the linkage block 72 and the pivot hole 40 of the base body 20. One end of the torsion spring 81 is engaged with the linkage block 72, and the other end is engaged with the first portion 22 of the base body 20, thereby causing a torsion spring 81. The bias linkage block 72 biases the lock block 82 in the locked position.

According to the drawings, the lock 10 of the present invention further includes a housing 96 mounted on the outside of the base 20. The housing 96 includes an accommodation space 98. The housing 96 further includes a locking hole 111 extending from the outer surface to the receiving space 98. With a keyhole 113. The seat body 20 is received in the accommodating space 98 of the outer casing 96, and the lock hole 111 is aligned with the inlet 32 of the first portion 22, and the key hole 113 is aligned with the groove chamber 90 of the lock block 82 (as shown in FIG. 5). .

Referring to FIG. 3, the latch 211 includes a body 213. The body 213 includes a bottom wall 215 and a latching arm 255 extending from one end of the bottom wall 215. The body 213 further includes a body 213 formed opposite to the bottom wall 215. Two side walls 217 on both sides, the engaging arms 255 are located between the two side walls 217 in a direction perpendicular to the two side walls 217, and the bottom wall 215 further includes a first-order surface 219 near the engaging arms 255, each side wall The 217 includes a first coupling groove 231 and a second coupling groove 239 spaced apart from the first coupling groove 231. Each of the first coupling grooves 231 includes a lateral portion 235 and a longitudinal portion 233 extending from one end of the lateral portion 235. Each of the first coupling grooves 231 further includes a notch 237 extending from the upper end surface of each side wall 217 to the longitudinal portion 233. Each of the second coupling grooves 239 includes an opening 251, and each of the second coupling grooves 239 further includes an opening 251. Separated one Stop surface 253, the engagement arm 255 includes a card away from the bottom wall 215 and an engagement end 257 engaging end 257 at the engagement hole 259.

The latch 211 further includes a retaining member 271 detachably coupled to the body 213. The retaining member 271 includes an outer surface 273 and an inner surface 275 spaced from the outer surface 273. The retaining member 271 is further included The two sides 277 extending between the inner and outer surfaces 275, 273, the holder 271 also includes a plurality of teeth 279 formed on the inner surface 275, the holder 271 including two pivots 291 formed on the two sides 277 and Two joints 293.

The buckle 211 is for mounting on the fastening tape 14A of the helmet 14, as shown in Figures 3A and 6A, the fastening tape 14A refers to a strap provided with a buckle 14B at the end, the buckle 14B Used to fasten with a buckle 14C coupled to the helmet 14, such that the tie belt 14A can bypass the user's chin and tighten the user's arm through a brace 14D mounted on the tie belt 14A. The chin, such a helmet 14 is not easily detached from the user's head.

When the lock 211 of the present invention is installed, the clamping member 271 is separated from the body 213, so that the fastening tape 14A of the helmet 14 can be easily placed against the bottom wall 215 and between the two side walls 217 (such as the 6A). In this state, the two pivot portions 291 of the clamping member 271 are further inserted into the longitudinal portions 233 of the first coupling grooves 231 by the corresponding two notches 237 (as shown in FIG. 3B). Then, the two joint portions 293 of the pusher member 271 are pushed to pivot toward the two second joint grooves 239 until the joint portions 293 are aligned with the openings 251 of the second joint grooves 239, further along each The lateral portion 235 of the first coupling groove 231 is urged away from the longitudinal portion 233, causing each of the joint portions 293 to enter the second coupling groove 239 via the corresponding opening 251 (as shown in FIG. 3C), and finally the clamping member 271 is displaced. a position at which each of the joint portions 293 abuts against each of the blocking faces 253 (shown in FIG. 3D) The fastening tape 14A thus positioned in the passage 211A formed by the clamping member 271 and the bottom wall 215 of the body 213 is sandwiched by the clamping member 271 and the body 213. In detail, the fastening tape 14A is subjected to the clamping member 271. Each of the teeth 279 is pressed to form a first clamping effect, and the fastening tape 14A is formed by the clamping member 271 engaging the step surface 219 of the bottom wall 215, causing the fastening tape 14A to be bent to form a second clamping effect. Thus, the buckle 211 cannot be displaced relative to the tie belt 14A.

For convenience of explanation, it is assumed that the lock 10 of the present invention is mounted on the vehicle casing 12A at the steering faucet of the locomotive 12, so that the safety helmet 14 can be sleeved on a rear view mirror 12B of the locomotive 12, so that the lock 211 is located relatively close. The position of the lock 10 (as shown in Fig. 6B), in which the buffer block 62 of the lock 10 is in the advanced position, the lock block 82 is in the locked position, and the ends of the magnetic blocks 89 are respectively on the lock block 82. The corresponding recessed groove 88 is fitted, so that the lock block 82 cannot be displaced from the locked position to the unlocked position, and the block 66 is located at the engaged position.

When the user wants to lock the helmet 14 , the engaging end 257 of the buckle 211 is inserted into the buffer groove 34 from the locking hole 111 and the inlet 32 of the lock 10 and pushes the buffer block 62 to compress the buffer spring 64 from the forward position. When it is displaced to the retracted position, and when the engaging end 257 of the latch 211 presses against the pressing surface 68 of the latch 66, the latch 66 is pressed by the engaging end 257 of the latch 211 to be released from the engaging position to the releasing position. Displacement and driving the linkage block 72 torsion of the torsion spring 81 to pivot until the buffer block 62 is displaced to the retracted position, the engagement hole 259 of the buckle 211 is aligned with the block 66, so that the linkage block 72 is acted upon by the torsion spring 81. The reset push block 66 is reset from the release position to the engaged position (as shown in Figs. 8, 9). In this state, since the lock block 82 is locked by the respective magnetic blocks 89, further in the state without the key 175 The lock block 82 cannot be operated to separate the lock 211 from the lock 10, and thus the helmet 14 cannot be used on the locomotive 12. Go, so the helmet 14 to achieve lock function on the 12 locomotives.

When the knight of the locomotive 12 wants to use the helmet 14, the correct key 175 is threaded into the slot 90 of the lock block 82 by the keyhole 113, and each of the magnetic blocks 89 is repelled by the magnetic pin 177 in the key 175. The compression springs 91 are displaced away from the corresponding recesses 88 (as shown in FIG. 10) such that the lock block 82 is unlocked, further allowing the push key 175 to cause the lock block 82 to compress the drive spring 94 from the locked position to the unlocked position, While the lock block 82 is displaced from the locked position to the unlocked position, the dial portion 92 of the lock block 82 pushes the first end 74 of the linkage block 72 to cause the linkage block 72 to pivot, and further the second end 76 of the linkage block 72 pushes the card Block 66 causes the block 66 to be displaced from the engaged position to the released position.

After the lock block 82 is displaced to the unlocked position (as shown in FIG. 11), the block 66 is in the release position, such that the block 66 is disengaged from the engaging hole 259 of the latch 211, and further the buffer block 62 is biased by the buffer spring 64. The reset position is reset to the forward position, and the buffer block 62 pushes the lock 211 to be displaced from the block 66, thus allowing the lock 211 to be pulled out of the lock 10, allowing the removal of the helmet 14 to be worn. The head of the knight.

The present invention provides a locking function of the helmet 14 through the lock 10 mounted on the casing 12A of the locomotive 12 and the lock 211 mounted on the helmet 14, which can effectively reduce the theft rate of the helmet 14.

The buckle 211 of the present invention passes through the detachable design of the clamping member 271, so that it can be easily mounted on a fastening tape which is commercially available but not limited to a commercially available safety helmet, has the advantage of easy installation and the user does not have to replace the safety. The benefits of the cap.

The basic teachings of the present invention have been described, and many extensions and variations will be apparent to those of ordinary skill in the art. For example, each of the first coupling grooves 231 of the body 213 may not include the notch 237. In this state, although the clamping member 271 cannot be completely separated from the body 213, the buckle of the helmet 14 can be passed through beforehand. After the 14B and the brace 14D are removed, the tie band 14A can be passed through the passage 211A of the buckle 211, and the buckle 211 is further coupled with the fastening band 14A, and then the buckle 14B and the brace 14D are reattached and fastened. Belt 14A.

The present invention disclosed in the specification is intended to be illustrative and not restrictive. The scope of the present invention is defined by the scope of the appended claims, and is not intended to

10‧‧‧Locks

12‧‧‧Motorcycle

12A‧‧‧ car shell

12B‧‧‧ rearview mirror

14‧‧‧Safety helmet

14A‧‧‧ fastening belt

14B‧‧‧ buckle

14C‧‧‧ buckle

14D‧‧‧ Protective gear

20‧‧‧ body

22‧‧‧Part 1

24‧‧‧ front end

26‧‧‧ rear end face

28‧‧‧ upper end

30‧‧‧ lower end

31‧‧‧ inside end

32‧‧‧ Entrance

34‧‧‧buffer tank

36‧‧‧ 容容

38‧‧‧ Missing slot

40‧‧‧ pivot hole

42‧‧‧Part II

44‧‧‧ front surface

46‧‧‧Back surface

48‧‧‧ upper surface

50‧‧‧ lower surface

52‧‧‧ inner surface

54‧‧‧ outer surface

55‧‧‧ Groove

56‧‧‧Lock slot

58‧‧‧ bottom

60‧‧ ‧ room

62‧‧‧buffer block

64‧‧‧buffer spring

66‧‧‧ card block

68‧‧‧Resistance surface

70‧‧‧

72‧‧‧ linkage block

74‧‧‧ first end

76‧‧‧ second end

78‧‧‧Band

80‧‧‧ linkage slot

81‧‧‧Torque spring

82‧‧‧Lock block

82A‧‧‧Outside

82B‧‧‧End

84‧‧‧ upper side

86‧‧‧Contact surface

88‧‧‧Inlay

89‧‧‧Magnetic block

90‧‧‧slot chamber

91‧‧‧ Spring

92‧‧‧Trading Department

94‧‧‧ drive spring

96‧‧‧Shell

98‧‧‧ accommodating space

111‧‧‧Keyhole

113‧‧‧ keyhole

175‧‧‧ key

177‧‧‧Magnetic pin

211‧‧‧Lock

213‧‧‧Ontology

211A‧‧‧ channel

215‧‧‧ bottom wall

217‧‧‧ side wall

219‧‧ ‧ step

231‧‧‧First joint slot

233‧‧‧ longitudinal part

235‧‧‧lateral part

237‧‧ ‧ gap

239‧‧‧Second joint slot

251‧‧‧ openings

253‧‧‧Block surface

255‧‧‧ clamping arm

257‧‧‧Card end

259‧‧‧Snap hole

271‧‧‧Clamping parts

273‧‧‧ outer surface

275‧‧‧ inner surface

277‧‧‧ side

279‧‧‧ teeth

291‧‧‧Band

293‧‧‧Combination Department

1 is a perspective assembled view of a lock and a lock for providing a helmet with a lock.

Figure 2 is an exploded perspective view of the lock with the lock.

Figure 3A is an exploded perspective view of the present invention for providing a lock to which the helmet is locked.

Fig. 3B is a cross-sectional view showing the pivotal state of each of the pivot portions of the holding member for the lock for locking the helmet to be assembled in the present invention.

FIG. 3C is a cross-sectional view of the present invention for locking the lock of the helmet to assemble the joint portions of the clamp member into the corresponding second joint grooves.

The 3D drawing is a cross-sectional view taken along line 3D-3D of Fig. 1.

Figure 4 is a cross-sectional view taken along line 4-4 of Figure 1.

Figure 5 is a cross-sectional view taken along line 5-5 of Figure 1.

Fig. 6A is a perspective view showing the lock for attaching the lock of the helmet to the locomotive and the lock being mounted on the helmet.

Figure 6B is a perspective view of the present invention for providing a lock for the lock of the helmet to be completely mounted on the helmet.

Figure 7 is a diagram showing the state in which the lock cannot be removed after the lock is locked by the lock.

Figure 8 is a cross-sectional view taken along line 8-8 of Figure 7.

Figure 9 is a cross-sectional view taken along line 9-9 of Figure 7.

Figure 10 is a state diagram of a chamber in which a key is inserted into a lock block.

Figure 11 is a state diagram of the use of a key to push the lock block from the locked position to the unlocked position.

The drawings are merely for the purpose of explaining the basic teachings, and the description of the number, the position, the relationship, and the size of the components of the embodiments will be explained or the technical skills will be read after reading and understanding the following description. In addition, after reading and understanding the following descriptions, changes in the exact dimensions and size ratios associated with specific forces, weights, strengths, and similar requirements are also industry skills.

In the different figures, the same reference numerals are used to designate the same or similar elements. In addition, please refer to the text such as "first", "second", "front", "back", "end", "side", etc. and the like. The language is only convenient for the viewer to refer to the construction in the drawings and is only used to assist in the description of the embodiments.

211‧‧‧Lock

213‧‧‧Ontology

215‧‧‧ bottom wall

217‧‧‧ side wall

219‧‧ ‧ step

231‧‧‧First joint slot

233‧‧‧ longitudinal part

235‧‧‧lateral part

237‧‧ ‧ gap

239‧‧‧Second joint slot

251‧‧‧ openings

253‧‧‧Block surface

255‧‧‧ clamping arm

257‧‧‧Card end

259‧‧‧Snap hole

271‧‧‧Clamping parts

273‧‧‧ outer surface

275‧‧‧ inner surface

277‧‧‧ side

279‧‧‧ teeth

291‧‧‧Band

293‧‧‧Combination Department

Claims (18)

A lock for providing a helmet to be locked, comprising: a body comprising a receiving slot and a locking slot, the base further comprising an inlet communicating with the receiving slot; a latching block at a latching position a release position is movably received in the pocket; a lock block can be lockedly mounted in the chute, the lock block is coupled with the block, and the lock block can be locked in a locked position Displacement between an unlocking position; a body comprising a bottom wall and two side walls formed on opposite sides of the bottom wall and spaced apart from each other, the body comprising two first coupling grooves formed on the two side walls, the body further comprising Forming at least one second coupling groove on any at least one side wall, the body further comprising a snap arm formed on the other side of the bottom wall, the engaging arm including a card that can be inserted into the seat body through the inlet and engageable with the card block a clamping member comprising a plurality of teeth and two spaced apart pivot portions and at least one joint portion, wherein the two pivot portions of the clamping member are respectively pivotally connected to the two first coupling grooves, and the clamping member can be Along the first joint groove in a snap joint Moving between a non-fastening position, a passage between the clamping member and the body defining a fastening strap for providing a safety cap; and clamping when the clamping member is in the non-fastening position The at least one joint portion of the piece is separated from the at least one second joint groove, and allows the body to slide relative to the clamping member relative to the fastening tape. When the clamping member is in the fastening position, at least one joint portion of the clamping member and at least one The two engaging grooves are engaged, and the plurality of teeth of the clamping member cooperate with the bottom wall of the body to clamp the fastening band, so that the body and the clamping member do not slide relative to the fastening band, and the locking block is in the locked position and is locked. , the lock block is not allowed to be displaced from the locked position to the unlocked position. When the lock block is in the locked position and is released, the lock block is allowed to be displaced from the locked position to the unlocked position. When the lock block is in the locked position and the lock is engaged with the block, the lock is not allowed. The block is separated, and the helmet is not allowed to be taken away. When the lock block is released from the locked position to the unlocked position, the block is separated from the lock, allowing the helmet to be removed. The lock for securing a helmet according to claim 1, wherein each of the first joint grooves includes a lateral portion that allows lateral displacement of the pivot portions of the clamp member, the at least one second The coupling groove further includes at least one opening communicating with the at least one second coupling groove; the clamping member allows displacement along a lateral portion of each of the first coupling grooves at a disengaged position and a disengaged position, wherein the clamping member is at the fastening position In the state, the at least one joint portion is located in the at least one second joint groove, and the clamp member is not allowed to pivot to the non-fastening position with the central axis of each pivot portion as a pivot axis, and the clamp member is located In the disengaged state, the at least one joint portion is disengaged from the at least one second joint groove by the at least one opening, and the clamp member is pivoted to the non-fastening position with the central axis of each pivot portion as a pivot axis . The lock for securing a helmet according to claim 2, wherein each of the first coupling grooves further includes a longitudinal portion communicating with one end of the lateral portion and a notch communicating with the longitudinal portion; When the clamping member is in the fastening position, the pivot portions of the clamping member are spaced apart from the longitudinal portion, and the pivot portions of the clamping member are not allowed to be disengaged from the first coupling grooves. When the clamping member is in the disengaged position, the clamping member is Each of the pivots is aligned with the longitudinal portion to allow the pivots of the clamp to disengage from the respective first engagement slots. A lock for securing a helmet according to claim 1, wherein the bottom wall of the body further includes a stepped surface adjacent to the engaging arm; and the clamping member is in the engaged position The fastening belt of the helmet is pressed against the clamping member to produce a bending along the step. The lock for securing a helmet according to claim 1, wherein the lock groove of the seat body comprises a bottom surface, the bottom surface forming a cavity, and the lock block further comprises a contact surface adjacent to the bottom surface, And a groove formed on the contact surface, further comprising: a magnetic block that is movably received in the lock groove along the axial direction of the lock groove; and a spring received in the chamber and biased toward the lock block a magnetic card; a key comprising a magnetic pin repelling the polarity of the magnetic block; in the state where the lock block is in the locked position and the key is not coupled to the lock block, the groove of the lock block is aligned with the cavity of the base One end of the spring biased magnetic card block is engaged with the slot of the lock block, so that the lock block is locked. When the lock block is in the locked position and the key is combined with the lock block, the magnetic pin repels the magnetic block compression spring. Retracting into the chamber causes the magnetic block to separate from the slot of the lock block, allowing the lock block to be displaced from the locked position to the unlocked position. The lock for fastening a helmet according to claim 1 or 5, wherein the seat body comprises a buffer tank communicating with the tank and the inlet, further comprising: a buffer block along the buffer tank Displacement between a forward position and a retracted position; a buffer spring received in the buffer groove and the biasing buffer block is located at the advanced position; in a state where the buckle is separated from the block, the buffer block is located at the forward position, at the lock In the state in which the buckle is combined with the block, the buffer block is in the retracted position and the buffer spring is compressed. The lock for fastening a helmet according to claim 6, wherein the seat further comprises a notch, further comprising: a linkage block pivotally connected in the slot, the linkage block including the abutment a first end of the lock block and a second end coupled with the block; in the state where the lock block is in the locked position, the link block restricts the block from being in the engaged position, and the lock block is locked from the position When the position displacement state is unlocked, the linkage block pushes the card block to be displaced from the engagement position to the release position, and when the lock block is in the locked position state, the buffer block is restricted to the release position by the linkage block. The lock for fastening a helmet according to claim 7, wherein the seat further comprises a groove communicating with the lock groove, the lock block including a dial portion received in the groove The first end of the linkage block abuts against the toggle portion of the lock block, and the second end of the linkage block includes a linkage slot, and the block includes a protrusion slidably received in the linkage slot. A lock for securing a helmet according to claim 5, wherein the seat body comprises a separate first portion and a second portion assembled on one side of the first portion, the receptacle and the inlet Formed in the first portion, the lock groove and the chamber are formed in the second portion. The lock for fastening the helmet is provided in the first aspect of the patent application, wherein the seat system is fixed on a car body at a steering faucet of the locomotive, and the helmet can be sleeved on the locomotive. Outside the mirror; in the state where the lock is locked by the lock, the helmet is not allowed to be removed from the mirror, and the helmet is allowed to be removed from the mirror when the lock is not locked by the lock. A lock for providing a safety helmet to be locked, comprising: a body including a bottom wall and a snap arm, the body further comprising sides formed on the bottom wall Two side walls, each side wall includes a first coupling groove and a second coupling groove spaced apart from the first coupling groove; a clamping member detachably coupled to the body, the clamping member including an inner surface and being formed a tooth of the surface, the clamping member further comprising a plurality of teeth formed on an inner surface facing the passage and two spaced apart pivot portions and at least one joint portion, the bottom wall of the body being defined between the teeth of the clamping member One passage, the passage is adapted to provide a fastening strap having a fastening cap, and the two pivot portions of the clamping member are respectively detachably pivoted to the two first coupling slots, and the clamping member can be coupled along the first The slot moves between a snap-fit position and a non-fastened position; in a state where the clip is in the snap-fit position, at least one joint of the clip is located in at least one second joint groove of the body, and is in the clip In a state in which the holding member is in the non-fastening position, at least one joint portion of the clamping member is located outside the at least one second coupling groove of the body, and the body and the clamping member are not allowed to be in a state of being combined with the body. Tight band displacement, in the clamping part The separated state of the body, allowing the body holder relative displacement of the fastening tape, the engagement arm can be secured to be used based on one of a locomotive car shell of a lock locked. The lock for securing a helmet according to claim 11, wherein each of the first coupling grooves further includes a longitudinal portion communicating with one end of the lateral portion and a notch communicating with the longitudinal portion; When the clamping member is in the fastening position, the pivot portions of the clamping member are spaced apart from the longitudinal portion, and the pivot portions of the clamping member are not allowed to be disengaged from the first coupling grooves. When the clamping member is in the disengaged position, the clamping member is Each of the pivots is aligned with the longitudinal portion to allow the pivots of the clamp to disengage from the respective first engagement slots. A lock for securing a helmet according to claim 11 wherein the bottom wall of the body further comprises a step adjacent to the snap arm; wherein the clip is in the snapped position The fastening belt of the helmet is pressed against the clamping member to produce a bending along the step. A lock for securing a helmet, as described in claim 11, wherein the lock includes a block that is displaceable between a snap position and a release position; and the lock is operated in a locked state. The card block is located at the engaging position, and in the case that the lock is operated in the unlocked state, the card block is in the release position, and in the case where the card block is in the engaged position, the card block is allowed to lock the lock buckle, and the card block is located at the release position. In this case, the block lock lock is not allowed. The lock for securing a helmet is provided according to claim 12, wherein the lock further comprises: a lock block that can be locked, the lock block is coupled with the block, and the lock block includes a slot chamber. The lock block is displaceable between a locked position and an unlocked position; a key for unlocking the lock block; in a state where the key is not coupled with the slot of the lock block, the lock block is in the locked position, and the lock block cannot be Displaced from the locked position to the unlocked position, in the state where the key is combined with the slot chamber of the lock block, the operation lock block is allowed to be displaced from the locked position to the unlocked position, and in the state in which the lock block is in the locked position, the block is located at the card In the combined position, in the state where the lock block is in the unlocked position, the block is in the release position. The lock device for providing a safety helmet to be locked as described in claim 14, the lock further comprising: a pivotable linkage block, the linkage block including a first end and the block block coupled with the lock block a second end of the linkage; when the lock block is displaced from the locked position to the unlocked position, the linkage block pushes the card block from the engaged position to the release position. The lock for fastening a helmet according to claim 15 , wherein the seat further comprises a groove communicating with the lock groove, the lock block including a dial portion received in the groove The first end of the linkage block abuts against the toggle portion of the lock block, and the second end of the linkage block includes a linkage slot, and the block includes a protrusion slidably received in the linkage slot. A lock for providing a helmet to be locked as described in claim 15 wherein the lock is mounted on a casing of the steering faucet of the locomotive and adjacent to a rear view mirror of the locomotive, the safety The cap can be sleeved on the outside of the rear view mirror, thus allowing the lock that is mounted on one of the fastening straps of the helmet to be locked by the lock, the helmet cannot be removed from the rear view mirror, and the lock is not locked In the locked state, the helmet is allowed to be removed from the mirror.