JPH0558519U - Belt cutting tool - Google Patents

Abstract

(57) [Summary] [Structure] The connecting member 1 is attached to the seat belt S, and the movable member 2 is movably supported by the connecting member 1. The connecting body 1 is provided with a belt insertion hole 14.
A belt cutting blade 3 is attached to the movable body 2. In an emergency, the stopper plate part is cut by the separating part to hold the front holding plate 4
When separated from the front side movable plate 7, the stopper protrusion 20 of the front side movable plate 7 comes out from the locking hole 17 of the front side holding plate 4. Then, when the movable body 2 is moved with respect to the coupling body 1, the blade edge 3 a of the blade body 3 of the front side movable plate 7 cuts the seat belt S through the belt insertion hole 14. [Effect] Since the seatbelt cutting tool can be directly held by the connecting body 1 on the seatbelt S to be cut when not in use, the seatbelt cutting tool can be immediately found in an emergency. Further, since the movable body 2 can be moved only by cutting the stopper plate portion at the separating portion during use, it is possible to immediately move the movable body 2 and cut the seat belt S in an emergency.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The invention relates in particular to a device for cutting seat belts in motor vehicles.

[0002]

[Prior Art]

 As a conventional seat belt cutter, for example, there is one disclosed in Japanese Patent Application Laid-Open No. 2-261487. In this seat belt cutter, a cutting groove is formed in a handle, and a blade body exposed in this cutting groove is attached. Then, the seat belt is inserted into the cutting groove, the handle is pulled, and the seat belt can be cut by the blade.

[0003]

[Problems to be solved by the device]

 However, since such a seat belt cutter is usually stored in a box in the car away from the seat belt, it is difficult to remove the seat belt cutter from the box and use it immediately in an emergency. The significance of existence as a cutter was weakened.

The present invention aims at facilitating immediate use of the seat belt cutter even in an emergency by storing the seat belt cutter using the seat belt itself.

[0005]

[Means for Solving the Problems]

 As shown in the drawings of the first embodiment (FIGS. 1 to 13) and the drawings of the second embodiment (FIGS. 14 to 26) described later, the belt cutting tool according to the present invention is attached to the belt S. The connecting body 1 and the movable body 2 movably supported by the connecting body 1 are provided. The connecting body 1 is provided with a belt insertion hole 14. A belt cutting blade 3 is attached to the movable body 2.

Stopper means 18, 20, 27 and 28 are provided between the connecting body 1 and the movable body 2. The stopper means 18, 20, 27, 28 can be in an unused state in which the movement of the movable body 2 is blocked and in a used state in which the movement of the movable body 2 is allowed. When the stopper means 18, 20, 27, 28 are not in use, the blade 3 is retracted to the outside of the belt insertion hole 14. When the stopper means 18, 20, 27, 28 are in use, the blade edge 3a of the blade body 3 passes through the belt insertion hole 14 as the movable body 2 moves.

[0007]

[Action]

 When the belt cutting tool configured as described above is held on the belt S, the belt S is inserted into the belt insertion hole 14 of the coupling body 1 as shown in FIGS. 1, 2 or 14 and 15.

In an emergency, when the movable member 2 is moved by changing the stopper means 18, 20, 27, 28 from the unused state to the used state as shown in FIGS. As shown in FIG. 18, the blade tip 3 a of the blade body 3 cuts the belt S through the belt insertion hole 14.

[0009]

First Embodiment First, a seat belt cutting tool according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 13.

As shown in FIGS. 1 and 5, the seat belt cutting tool according to the present embodiment includes a connecting body 1 for the seat belt S and a movable body 2 having a blade body 3. The connecting body 1 is composed of a front side holding plate 4 and a back side holding plate 5, which are integrally formed of plastic and are connected to each other by a pair of screws 6. The movable body 2 is composed of a front side movable plate 7 and a back side movable plate 8, which are integrally molded of plastic and are connected to each other by a pair of screws 9.

As shown in FIGS. 8, 9 and 13, the groove 10 is formed inside the back side holding plate 5 of the connecting body 1 and the inside of the front side moving plate 7 of the movable body 2 is formed. 11 is formed, and the front movable plate 7 is inserted between the front and back holding plates 4 and 5 of the connecting body 1, and the dovetail groove 10 and the dovetail 11 are fitted to each other. A groove 12 is formed on the outside of the back side holding plate 5 of the connecting body 1, and a groove 13 is formed on the inside of the back side moving plate 8 of the movable body 2. The back side holding plate 5 is formed on both the front and back movable plates. The dovetail groove 12 and the dovetail groove 13 are inserted into each other and are fitted to each other. Therefore, the movable body 2 is movably supported by the dovetail grooves 10 and 12 and the dovetails 11 and 13 with respect to the connecting body 1.

A belt insertion hole 14 is formed between the front and back holding plates 4, 5 of the connecting body 1, and upper and lower openings 14 a are formed in the insertion hole 14 on both sides orthogonal to the moving direction P of the movable body 2. 14b are formed. As shown in FIG. 12, in the belt insertion hole 14, holding teeth 15 are arranged in parallel on the inner surface of the back side holding plate 5.

As shown in FIGS. 12 and 13, a cutting groove 16 is formed in the inner surface of the back side holding plate 5 along the moving direction of the movable body 2. The blade body 3 is attached to the inside of the front side movable plate 7, and the blade body 3 is inserted into the cutting groove 16 to expose the blade edge 3a.

As shown in FIGS. 1 and 2, a locking hole 17 is formed in the front side holding plate 4, and one side of the locking hole 17 is closed by a stopper plate portion 18 so that the other side of the locking hole 17 is closed. An open hole 17a is formed in the. A separation portion 19 is formed between the inner edge of the locking hole 17 and the stopper plate portion 18. The separating portion 19 is formed to be thinner than the front side holding plate 4 and the stopper plate portion 18, and can be easily cut by lifting.

A hook-shaped stopper projection 20 is provided on the front movable plate 7 so as to project outward. As shown in FIGS. 1 and 2, the stopper projection 20 is provided in a state before the stopper plate 18 is cut. It is engaged with the opening hole 17a of the locking hole 17 described above and projects to the outside thereof. In this unused state, since the stopper plate portion 18 abuts inside the hook portion 20a of the stopper protrusion 20, the front side holding plate 4 cannot be lifted against its elasticity and the stopper plate portion 20 is locked. It cannot be pulled out from the hole 17. Therefore, since the stopper projection 20 contacts the stopper plate 18, the movement of the movable body 2 with respect to the coupling body 1 is prevented. In this unused state, the blade 3 is retracted outside the belt insertion hole 14 of the connector 1.

When the seat belt cutting tool configured as described above is held on the seat belt S, the seat belt S is inserted into the belt insertion hole 14 of the connecting body 1 as shown in FIGS. The openings 14a and 14b are projected. Therefore, the seat belt cutting tool is reliably positioned with respect to the seat belt S.

In an emergency, when the front holding plate 4 of the connecting body 1 is lifted as shown in FIGS. 3 and 4 and the stopper plate portion 18 is cut at the separating portion 19 to separate from the front holding plate 4, the front holding plate 4 is movable. The stopper protrusion 20 of the plate 7 is pulled out from the locking hole 17 of the front holding plate 4. Then, when the movable body 2 is moved with respect to the coupling body 1, as shown in FIG. 5, the blade edge 3a of the blade body 3 of the front movable plate 7 cuts the seat belt S through the belt insertion hole 14. With this, the seat belt S is completely cut, and the seat belt cutting tool can be detached from the seat belt S.

As described above, in this embodiment, when the seat belt cutting tool is not used, the seat belt cutting tool can be directly held by the connecting body 1 with respect to the seat belt S to be cut, so that the seat belt cutting tool can be immediately found in an emergency. You can Further, since the movable body 2 can be moved only by cutting the stopper plate portion 18 in the separating portion 19 at the time of use, in an emergency, the movable body 2 should be moved immediately to cut the seat belt S. You can Note that, when not in use, the stopper means including the stopper plate portion 18 and the stopper projection portion 20 reliably prevents the movable body 2 from moving, so that the movable body 2 does not move carelessly and is safe. ..

[0019]

Second Embodiment Next, a seat belt cutting tool according to a second embodiment of the present invention will be described with reference to FIGS. 14 to 26, focusing on the differences from the first embodiment.

As shown in FIGS. 14, 18 and 20, the connecting body 1 is composed of a front side holding plate 4 and a back side holding plate 5, which are integrally connected by four screws 6. The movable body 2 includes a head portion 21 and a guide portion 22, and the blade body 3 is attached to the guide portion 22. As shown in FIG. 22, a guide groove 23 is formed inside the back side holding plate 5 of the connecting body 1, and the guide portion 22 of the movable body 2 is inserted into the guide groove 23 to insert the movable body 2 into the connecting body 1. It is possible to move to. A recess 24 is formed on one side of the front and back holding plates 4 and 5 of the connecting body 1, and the head 21 of the movable body 2 can be fitted in the recess 24.

Particularly, in the second embodiment, the stopper means for preventing the movement of the movable body 2 is changed as compared with the first embodiment. The stopper means will be described in detail below. A stop groove 25 is formed in the vicinity of the recess 24 on one side of the front and back holding plates 4 and 5, and a stop hole 26 is formed at the bottom of the stop groove 25 as shown in FIG. It is installed between and. A stopper hole 27 is formed on one side of the head 21 of the movable body 2, and when the head 21 is aligned with the recess 24, the stopper hole 27 is also aligned with the stopper hole 26. .. The plastic stopper pin 28 is composed of a head portion 29 and a locking shaft 30, and is molded separately from the connecting body 1 and the movable body 2. The locking shaft 30 can be inserted into and removed from the stopper hole 27 through the stopper hole 26. When the locking shaft 30 is engaged with the stopper hole 27, the head portion 29 of the stopper pin 28 is fitted into the stopper groove 25, and a part of the head portion 29 projects from the stopper groove 25.

When the seatbelt cutting tool configured as described above is held on the seatbelt S, as shown in FIGS. 14 and 15, the seatbelt S is inserted into the belt insertion hole 14 and both openings 14a, 14b. Therefore, the seat belt cutting tool is reliably positioned with respect to the seat belt S.

In this unused state, the head portion 21 of the movable body 2 matches the concave portion 24 of the coupling body 1, and the blade body 3 of the movable body 2 is retracted to the outside of the belt insertion hole 14. The locking shaft 30 of the stopper pin 28 is engaged with the stopper hole 27 of the head 21 of the movable body 2 to prevent the movable body 2 from moving with respect to the coupling body 1.

As shown in FIGS. 16 and 17, when the stopper pin 28 is pulled out from the stopper hole 27 in an emergency, the movable body 2 is in a usable state in which the movable body 2 can move with respect to the coupling body 1. Then, as shown in FIG. 18, when the movable body 2 is moved with respect to the connecting body 1, the seat belt S is cut by the blade edge 3 a of the blade body 3.

Also in the second embodiment, similarly to the first embodiment, the seat belt cutting tool can be directly held by the connecting body 1 with respect to the seat belt S to be cut, so that the seat belt cutting tool can be used in an emergency. Can be found instantly. Further, since the movable body 2 can be moved only by pulling out the stopper pin 28, the movable body 2 can be immediately moved to cut the seat belt S in an emergency. Since the stopper pin 28 prevents the movable body 2 from moving when not in use, the movable body 2 does not move accidentally and is safe.

[0026]

[Effect of the device]

 According to the present invention, when the belt cutting tool is not used, the belt cutting tool can be directly held by the connecting body 1 with respect to the belt S to be cut, and the belt cutting tool can be found immediately in an emergency and the stopper means 18 , 20, 27, 28 are operated to move the movable body 2, the belt S can be immediately cut by the blade body 3 of the movable body 2 in an emergency.

[Brief description of drawings]

FIG. 1 is a front view showing a state in which a seat belt cutting tool according to a first embodiment is held by a seat belt.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a front view showing a state where the front holding plate is lifted from the state shown in FIG. 1 to cut the stopper plate portion and the stopper projection is pulled out from the locking hole.

FIG. 4 is a sectional view taken along line BB of FIG.

FIG. 5A is a front view of a seat belt cutting tool showing a state in which a movable body is moved to cut a seat belt;
(B) is the CC sectional view taken on the line of (a).

FIG. 6 is a front view showing the seat belt cutting tool according to the first embodiment.

FIG. 7 is a rear view of the same.

FIG. 8 is a left side view of the same.

FIG. 9 is a right side view of the same.

FIG. 10 is a plan view of the same.

FIG. 11 is a bottom view of the same.

12 is a cross-sectional view taken along line DD of FIG.

13 is a sectional view taken along line EE of FIG.

FIG. 14 is a front view showing a state in which the seat belt cutting tool according to the second embodiment is held by the seat belt.

15 is a sectional view taken along line FF of FIG.

16 is a front view showing a state where the stopper pin is pulled out from the state shown in FIG.

17 (a) is a cross-sectional view taken along the line GG of FIG.
(B) is the HH sectional view taken on the line of FIG.

18 (a) is a front view of the seat belt cutting tool showing a state in which the movable body is moved to cut the seat belt from the state shown in FIG. 16, and FIG. 18 (b) is a line II of FIG. FIG.

FIG. 19 is a front view showing a seat belt cutting tool according to a second embodiment.

FIG. 20 is a rear view of the same.

FIG. 21 is a right side view of the same.

FIG. 22 is a left side view of the same.

FIG. 23 is a plan view of the same.

FIG. 24 is a bottom view of the same.

25 is a cross-sectional view taken along the line JJ of FIG.

FIG. 26 is a sectional view taken along line KK of FIG. 23.

[Explanation of symbols]

1 Connected Body, 2 Movable Body, 3 Blade Body, 3a Blade Edge, 14
Belt insertion hole, 16 cutting groove, 17 locking hole, 17a
Open hole, 18 stopper plate portion as stopper means, 1
9 cut-off parts, 20 stopper protrusions as stopper means, 27 stopper holes as stopper means, 28 stopper pins as stopper means, S seat belt.

Claims (1)

[Scope of utility model registration request] 1. A connecting body (1) attached to a belt (S), and a movable body (2) movably supported on the connecting body (1). A belt insertion hole (14) is provided in the movable body (2), and a belt cutting blade (3) is provided in the movable body (2).
A non-use state in which the movable body (2) is prevented from moving and a use state in which the movable body (2) is allowed to move between the connecting body (1) and the movable body (2). A stopper means (18, 20, 27, 28) is provided so that the blades of the movable body (2) (when the stopper means (18, 20, 27, 28) is in a non-use state). 3) is the belt insertion hole (14)
Of the stopper means (18,
When the movable body (2) moves, the blade edge (3a) of the blade body (3) passes through the belt insertion hole (14) when the movable body (2, 27, 28) is in use. Belt cutting tool.