JP6254541B2 - Glass breaker for vehicle escape - Google Patents

Description

  The present invention relates to a glass breaker for escaping a vehicle, and more particularly to an improvement of a glass breaker that breaks glass by hitting a spike member against the glass with a restoring force of an elastic body.

  A glass breaker for vehicle escape has been proposed in which the spike member is struck against the vehicle glass by the restoring force of the elastic body to break the glass so that the occupant can escape from the vehicle (see Patent Document 1). ).

JP 2011-235432 A

  However, since such a conventional glass breaker for escaping a vehicle only hits the spike member against the glass and breaks it, the broken pieces of the glass are scattered and the occupant may be injured.

  The present invention has been made against the background of the above circumstances. The object of the present invention is to provide a glass breaker for vehicle escape that strikes a spike member against the glass with the restoring force of an elastic body. It is to ensure safety by preventing scattering.

  In order to achieve such an object, the first invention is for vehicle escape, in which the spike member is struck against the glass of the vehicle by the restoring force of the elastic body to break the glass so that the occupant can escape from the vehicle. In the glass crushing tool of (a), the ring-shaped outer periphery is fixed to the outer frame and the inner peripheral edge is fixed to the inner frame. A shield member that is held in a flat plate shape and prevents passage of the glass fragments, and (b) an outer peripheral edge is fixed to the inner frame, and the spike member is attached to a central portion, and functions as the elastic body. And (c) a tension part that is provided at the rear part of the spike member and that allows an occupant to hook the finger to elastically deform the rubber film and pull the spike member to the rear side. And wherein the door.

  According to a second invention, in the glass breaker for escaping a vehicle according to the first invention, the spike member is made of cemented carbide or hardened steel.

  According to a third aspect of the present invention, in the glass breaker for escaping a vehicle according to the first or second aspect of the invention, the outer frame has a pocket portion that is folded back in a U-shaped cross section toward the glass side and receives the broken pieces of the glass. It is provided.

  4th invention is the glass crushing tool for vehicle escape in any one of 1st invention-3rd invention, (a) The said shield member is comprised by the deformable sheet-like member, (b) The outer frame is made of an elastic material that can be folded by bending deformation.

  In such a glass breaker for escaping the vehicle, the rubber film is elastically deformed by gripping the inner frame with one hand and making it substantially in close contact with the glass, and pulling the pulling portion of the spike member with the other hand. If the tensile part is released, the spike member is hit against the glass by the restoring force of the rubber film, and the glass can be crushed. In that case, since there is a flat shield member on the outer peripheral side of the inner frame, the shattered pieces of glass are prevented from scattering into the interior of the vehicle interior, and occupant injury due to the shredded pieces is suppressed and safety is ensured. Can be secured. In addition, since the shield member is provided on the outer peripheral side of the inner frame provided with the rubber film and the spike member, the structure is simple and inexpensive, and the inner frame is grasped with one hand and the other hand is configured. It is only necessary to pull and release the spike member, and the glass can be crushed by a simple operation while ensuring safety.

  In the second invention, since the spike member is made of cemented carbide or hardened steel, even the tempered glass can be reliably crushed.

  In the third invention, since the pocket portion for receiving the glass fragments is provided in the outer frame, scattering of the fragments into the vehicle compartment is suppressed, and safety is further improved.

  In the fourth aspect of the invention, the outer frame can be elastically folded together with the shield member. Therefore, when not in use, the outer frame can be folded in a compact state and stored in a small space such as a dashboard, drink holder, accessory case, sun visor, etc. I can keep it.

It is the front view which looked at the glass crushing tool for vehicle escape which is one Example of this invention from the front end side of the spike member. It is the rear view which looked at the glass crushing tool of FIG. 1 from the rear end side of the spike member. It is an expanded sectional view of the III-III arrow part in FIG. It is an expanded sectional view of the IV-IV arrow part in FIG. It is the perspective view which showed the vicinity part of the inner periphery of the shield member of the Example of FIG. It is an expanded sectional view of the VI-VI arrow part in FIG. FIG. 6 is a cross-sectional view of an inner frame to which a shield member and a rubber film are fixed in the embodiment of FIG. It is the perspective view which decomposed | disassembled and showed the spike part of the Example of FIG. It is a figure explaining an example of the procedure at the time of folding the glass crushing tool of the Example of FIG. It is a figure explaining the procedure at the time of crushing glass using the glass crushing tool of the Example of FIG. It is the figure which showed how to hold the glass crushing tool at the time of crushing glass in the procedure of FIG.

  The outer frame and the inner frame to which the shield member is fixed can have various shapes such as a polygon such as a square and a rectangle, a circle, and an ellipse, and the shapes of the outer frame and the inner frame may be different. When the outer frame is foldable as in the fourth aspect of the invention, an elastically deformable metal wire, a spring steel plate, a thin plate made of synthetic resin, etc. are used. It can also be made of a material or a synthetic resin material. The inner frame to which the outer peripheral edge of the rubber film is fixed is made of a relatively rigid metal material or synthetic resin material so that the rubber film is not deformed when the spike member is pulled to the rear side and elastically deformed. It is desirable.

  As the shield member, a sheet-like member such as a deformable synthetic resin or cloth is suitably used as in the fourth invention, but a synthetic resin or metal plate having a relatively high rigidity can also be used. When a transparent sheet-like member, a plate material, or a mesh-like mesh is used as the shield member, the glass crushing state can be visually confirmed through the shield member. As the deformable sheet-like member, a fabric made of stretch or a mesh made of synthetic resin is preferably used.

  As the material of the spike member, cemented carbide or hardened steel is suitable, but other high-strength materials can also be adopted. The spike member desirably has a conical or pyramidal pointed tip, but the tip may be hemispherical or flat. The pulling part that the occupant hooks and pulls the finger may be provided with an annular groove or an annular protrusion in the vicinity of the rear end of the spike member to make it easy to hook the finger. It is desirable to provide a handle.

  In the pocket portion of the third invention, for example, a pocket frame smaller than the outer frame is arranged adjacent to the glass side of the outer frame, and a sheet-like member such as a deformable synthetic resin or cloth is placed between the outer frame and the pocket frame. The sheet-like member is configured to be folded back into a U-shaped cross section at least at the lower end portion by being fixed over the two, but a U-shaped or L-shaped metal or synthetic resin pocket. Various modes are possible, for example, the member may be fixed integrally to the outer frame. The pocket portion may be provided only on a part of the outer frame such as a portion positioned on the lower side in the use state, but can also be provided on the entire circumference of the outer frame, and in this case, it can be used regardless of the vertical and horizontal directions.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiments, the drawings are appropriately simplified or modified for explanation, and the dimensional ratios, shapes, and the like of the respective parts are not necessarily drawn accurately.

  FIG. 1 is a front view of a glass breaker 10 for escaping a vehicle according to an embodiment of the present invention as viewed from the front end side of the spike member 12, and FIG. 2 is a rear view as viewed from the rear end side of the spike member 12. It is. 3 and 4 are enlarged cross-sectional views taken along the line III-III and the line IV-IV in FIG. 1, respectively. This glass crushing tool 10 has an outer frame 20 and an inner frame 22, a shield member 24 is disposed between them, and crushes a glass 26 (see FIG. 10) inside the inner frame 22. A spike portion 28 is provided.

  The outer frame 20 is formed of a thin spring steel plate that is held in a rectangular shape with four corners rounded into an arc shape by being fixed to the outer peripheral edge of the shield member 24, and is elastically deformable. As shown in FIG. 9, it can be folded so as to be tripled by bending deformation. The parts “A” to “D” in FIG. 9 are reference numerals assigned for easy understanding of the displacement of each part when folded. And if the external force hold | maintained in a folding state is remove | excluded, it will return to the original rectangular shape automatically with the restoring force by the elasticity of outer frame 20 itself. The shield member 24 is a deformable sheet-like member. In this embodiment, a mesh made of synthetic resin such as a nylon mesh having stretchability is used, and the outer peripheral edge thereof is wound around the outer frame 20 and is made of yarn. It is sewn into a bag shape. Accordingly, the shield member 24 is pulled to the outer peripheral side and held in a substantially flat plate shape in a state where the outer frame 20 is expanded in a rectangular shape as shown in FIGS. When the outer frame 20 is folded, the outer frame 20 is folded following the outer frame 20. FIGS. 9B to 9D show only the outer frame 20, and the inner members including the shield member 24 are omitted.

  As shown in FIG. 5, a substantially square opening 30 is provided in the central portion of the shield member 24 so as to correspond to the inner frame 22. The inner peripheral edge is fixed to the inner frame 22. FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI in FIG. 5, and eyelets (eyelet) 34 are attached to the vicinity of the four corners of the opening 30 via reinforcement pads 32, respectively. FIG. 7 is an enlarged cross-sectional view including the inner frame 22 in the VI-VI arrow portion of FIG. 5, and the inner frame 22 includes a pair of frame bodies 36 and 38 that are overlapped with the eyelet 34 interposed therebetween. When the fastening bolt 40 passes through the eyelet 34 and is screwed to the frame body 38, both the frame bodies 36 and 38 are integrally fastened to form the inner frame 22, and the inner frame 22 has a shield member. The inner peripheral edge portion of 24 is fixed via the eyelet 34. 6 and 7, the eyelet 34 is formed of a single member and is attached with the end portion in the axial direction being expanded by caulking or the like, but for example, a pair of members may be fitted and attached. good.

  Further, an outer peripheral edge portion of the rubber film 42 constituting the spike portion 28 is fixed to the inner frame 22. That is, as apparent from FIG. 7, an annular protrusion 44 is provided on one frame 36 of the inner frame 22, and an annular recess 46 into which the annular protrusion 44 is inserted is provided on the other frame 38. The outer peripheral edge of the rubber film 42 is bent and deformed along the annular protrusion 44 and the annular recess 46 and is clamped so as to be integrally fixed to the inner frame 22 so as not to be pulled out. . The rubber film 42 functions as an elastic body that strikes the spike member 12 against the glass 26 by its elastic restoring force, and the spike member 12 is attached to the central portion of the rubber film 42.

  FIG. 8 is an exploded perspective view of the spike member 12 together with the rubber film 42, and a grommet 50 is attached to the central portion of the rubber film 42, and the spike member 12 is integrated with the grommet 50. Installed. The spike member 12 includes a tip impact portion 52 made of cemented carbide or hardened steel, and a screw shaft 56 having a flange 54, and the screw shaft 56 penetrates the eyelet 50 to the tip impact portion 52. By screwing, the eyelet 50 is clamped between the flange 54 and the tip hitting portion 52, and the spike member 12 is integrally attached to the rubber film 42. The tip striking portion 52 is for hitting the glass 26 and crushing it. The tip striking portion 52 has a conical pointed tip portion, and the screw shaft 56 is loosened by screwing a set screw 58 from the side. Be blocked.

  A through hole is provided in the rear end portion of the screw shaft 56 so as to be orthogonal to the center line of the screw shaft 56, and a pentagonal ring-shaped handle 60 is rotatably attached. The handle 60 is formed by bending a single wire having a circular cross section, and both end portions are simply overlapped. The both ends are opened and one end portion is inserted into the through hole of the screw shaft 56. it can. The handle 60 corresponds to a pulling portion, and is used for a passenger to pull the spike member 12 to the rear side while elastically deforming the rubber film 42 as shown in FIG. When the handle 60 is released in this state, the spike member 12 is advanced by the restoring force of the rubber film 42 and hits the glass 26 as shown in FIG. 10C, and the glass 26 can be crushed. The glass 26 is a tempered glass that becomes finely crushed pieces 62 by hitting, and a large number of crushed pieces 62 scatter to the periphery, but the shield member 24 prevents scattering to the vehicle interior side. The occupant may hold the inner frame 22 with one hand (for example, the left hand) as shown in FIG. 11 so as to be in close contact with the glass 26 and pull the handle 60 with the other hand (for example, the right hand). FIG. 10A shows a state in which the inner frame 22 is gripped and closely adhered to the glass 26. The frames 36 and 38 of the inner frame 22 are made of a metal material, and the outer peripheral edge of the rubber film 42 is positioned. The rubber film 42 is elastically deformed by holding the inner frame 22 and pulling the handle 60. Can be made. 2 and FIG. 4 show a lying state in which the handle 60 is tilted sideways so as to be substantially parallel to the rubber film 42, and FIGS. 3, 8, 10, and 11 show the handle 60 approximately with respect to the rubber film 42. It is a standing state awakened to be vertical.

  The outer frame 20 is provided with an elastically deformable pocket frame 64 that is slightly smaller than the outer frame 20 and adjacent to the front side of the outer frame 20, that is, the glass 26 side. A sheet-like member 66 made of a free synthetic resin mesh or the like is sewn across the outer frame 20 and the pocket frame 64, or is fixed with an adhesive or the like. The shape of the pocket frame 64 is defined by the sheet-like member 66 but hangs down due to gravity and is held in a state of being hung by the sheet-like member 66 at the upper end. As a result, the sheet-like member 66 has a pocket shape that is folded back to the front side in a U-shaped cross section over the entire circumference, and the crushed pieces 62 scattered or dropped around the periphery are received by the sheet-like member 66. Scattering into the passenger compartment is suppressed. The pocket frame 68 and the sheet-like member 66 constitute a pocket portion 68 that receives the crushed pieces 62. In the present embodiment, since the pocket portion 68 is provided on the entire circumference of the outer frame 20, it can be used regardless of the vertical and horizontal directions. The pocket frame 64 is formed of an elastic material that can be folded by bending deformation, specifically, the same spring steel plate as the outer frame 20, and the glass crushing tool 10 including the pocket portion 68 is as shown in FIG. Can be folded into

  Thus, in the glass breaker 10 for escaping the vehicle according to the present embodiment, the inner frame 22 is gripped with one hand to be brought into close contact with the glass 26, and the handle 60 of the spike member 12 is pulled with the other hand. If the handle 60 is released in a state where the rubber film 42 is elastically deformed, the spike member 12 is hit against the glass 26 by the restoring force of the rubber film 42, and the glass 26 can be crushed.

  In that case, since the flat shield member 24 exists on the outer peripheral side of the inner frame 22, the shattered pieces 62 of the glass 26 are prevented from being scattered to the vehicle interior side, and the crushed pieces 62 cause injury to passengers. Suppressed to ensure safety. Further, since the shield member 24 is provided on the outer peripheral side of the inner frame 22 provided with the rubber film 42 and the spike member 12, the structure is simple and inexpensive, and the inner frame 22 is held with one hand. Then, it is only necessary to pull and release the spike member 12 with the other hand, and the glass 26 can be crushed by a simple operation while ensuring safety.

  Further, since the spike member 12 is made of cemented carbide or hardened steel, it can be reliably crushed even if the glass 26 is tempered glass.

  Moreover, since the pocket part 68 which receives the crushing piece 62 of the glass 26 is provided in the outer frame 20, it is suppressed that the crushing piece 62 which scattered or dropped was scattered in a vehicle interior, and safety | security further. improves.

  Further, since the glass crushing tool 10 of this embodiment can elastically fold the outer frame 20 and the pocket frame 64 together with the shield member 24, the dashboard and the drink holder in the vehicle compartment can be folded in a compact state when not in use. It can be stored in a small space such as a glove compartment or a sun visor.

  As mentioned above, although the Example of this invention was described in detail based on drawing, this is an embodiment to the last, and this invention is implemented in the aspect which added various change and improvement based on the knowledge of those skilled in the art. Can do.

  DESCRIPTION OF SYMBOLS 10: Glass crushing tool for vehicle escape 12: Spike member 20: Outer frame 22: Inner frame 24: Shield member 26: Glass 30: Opening 42: Rubber film (elastic body) 60: Handle (tensile part) 62: Fragmented piece 68: Pocket part

Claims (4)

In the glass breaker for vehicle escape that breaks the glass by the spike member being struck against the glass of the vehicle by the restoring force of the elastic body, and allows the occupant to escape from the vehicle,
It has a ring shape with an opening provided in the central portion, and the ring-shaped outer peripheral edge is fixed to the outer frame and the inner peripheral edge is fixed to the inner frame to be held in a flat plate shape. A shield member that prevents the passage of fragments,
The outer peripheral edge is fixed to the inner frame, the spike member is attached to the center portion, and a rubber film that functions as the elastic body,
A tension portion provided at a rear portion of the spike member and capable of pulling the spike member to the rear side while an occupant hooks a finger to elastically deform the rubber film;
A glass breaker for escaping a vehicle, characterized by comprising: The glass breaking tool for vehicle escape according to claim 1, wherein the spike member is made of cemented carbide or hardened steel. The glass for vehicle escape according to claim 1 or 2, wherein the outer frame is provided with a pocket portion that is folded back to the glass side in a U-shaped cross section to receive a piece of the glass. Crushing tool. The shield member is composed of a deformable sheet-like member,
The glass breaker for vehicle escape according to any one of claims 1 to 3, wherein the outer frame is made of an elastic material that can be folded by bending deformation.

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