CN213252663U - Safety hammer - Google Patents

Abstract

The utility model discloses a safety hammer, which comprises a housin, the firing pin, the pressing part that the control firing pin popped out, the first elastic component that makes the pressing part restore to the throne and the second elastic component that makes the firing pin pop out, the pressing part sets up in the casing, and the casing outside is stretched out to the part, first elastic component sets up between pressing part and casing, the second elastic component cover is located on the firing pin, the firing pin sets up in the casing, and with the bottom sliding connection of casing, safety hammer is still including the spacing subassembly that is used for controlling the firing pin and restores to the throne, spacing subassembly sets up on the firing pin, and with the pressing part butt. During the use, make pressing member and glass butt, press the casing, make the relative casing of pressing member move down, when spacing subassembly moves down to predetermineeing the position, spacing subassembly shrink to the firing pin in, spacing subassembly and pressing member do not butt this moment, reset elasticity through the second elastic component and make the firing pin bullet shoot out to break glass, later reset through the pressing member, make spacing subassembly reset in step, make safe hammer used repeatedly many times.

Description

Safety hammer

Technical Field

The utility model relates to a broken window instrument of fleing, in particular to safety hammer.

Background

At present, people can break window glass to escape and save themselves by using a safety hammer when meeting various accidents and traffic accidents in the process of driving and the doors of the automobile cannot be opened in the process of traveling or self-driving activities by taking vehicles. And the safety hammer that is equipped with on the current vehicle is usually for having the small-size safety hammer of handle and broken head, and when this kind of small-size safety hammer used, the user waved the safety hammer after gripping the handle and need carry out multiple knock to glass and just can be broken glass, and the energy of knocking is less, meets the less passenger of strength and extremely easily breaks the window and fails. Meanwhile, when an emergency occurs, people can be injured, the safety hammer is not convenient to swing, or the vehicle falls into water, water is poured into the vehicle, and due to the fact that resistance of the water is insufficient, the glass cannot be broken, and therefore the escape cannot be achieved.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a safety hammer, which is capable of pressing the end of the safety hammer to be attached to the glass, and rapidly breaking the window glass by pressing, and is extremely simple to operate.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

the safety hammer comprises a shell, a firing pin, a pressing piece for controlling the firing pin to pop out, a first elastic piece for resetting the pressing piece, a second elastic piece for popping out the firing pin, wherein the pressing piece is arranged in the shell, part of the pressing piece extends out of the shell, the first elastic piece is arranged between the pressing piece and the inner wall of the shell, the second elastic piece is sleeved on the firing pin, the firing pin is arranged in the shell and is in sliding connection with the bottom of the shell, the safety hammer further comprises a limiting assembly for controlling the resetting of the firing pin, and the limiting assembly is arranged on the firing pin and is abutted to the pressing piece.

In the safety hammer, the limiting assembly comprises a limiting pin, a limiting screw and a limiting pin reset spring, the limiting pin reset spring is sleeved on the limiting pin, and the limiting screw is in threaded connection with the limiting pin.

In the safety hammer, the limiting component comprises a limiting part, the limiting part comprises an elastic part and a limiting part which are integrally arranged, and the limiting part is arranged at two ends of the elastic part.

In the safety hammer, the firing pin comprises a limit screw and a firing pin rod, and the limit screw is in threaded connection with the tail end of the firing pin rod and is positioned outside the bottom end of the shell.

In the safety hammer, the striker rod comprises a striker tip, a limiting installation part and a rod part, the outer diameter of the limiting installation part is larger than that of the striker tip, a first installation hole for installing a limiting pin is formed in the limiting installation part, a first counter bore for installing the limiting screw is formed in one side, opposite to the first installation hole, of the first installation hole, and the limiting pin reset spring is located in the first installation hole.

In the safety hammer, the striking pin rod comprises a striking pin head piece and a striking pin cavity piece, the striking pin head piece is in threaded connection with the striking pin cavity piece, the upper part of the striking pin cavity piece is provided with a cavity for mounting the limiting piece, and two sides of the cavity are provided with limiting holes for extending out of the limiting part of the limiting piece.

In the safety hammer, the shell comprises an upper shell and a lower shell, and the upper shell is in threaded connection with the lower shell.

In the safety hammer, the lower shell is provided with a groove for mounting the first elastic piece and the pressing piece and a second mounting hole for mounting the firing pin and the second elastic piece, and the bottom of the second mounting hole is provided with a first through hole for extending the tail end of the firing pin.

In the safety hammer, the mouth of the second mounting hole is provided with an inclined plane for contracting the limiting assembly, and the mouth of the inclined plane is provided with a guide part.

In the safety hammer, the pressing piece is provided with a second through hole for the head of the firing pin to extend out, and the diameter of the second through hole is smaller than the outer diameter of the middle part of the firing pin.

Compared with the prior art, the utility model provides a safety hammer owing to adopted spacing subassembly, and spacing subassembly and pressing piece butt, when making the relative casing of pressing piece move down, spacing subassembly moves down in step, when moving down the preset position until spacing subassembly, spacing subassembly shrink to the firing pin in, the elasticity that utilizes the second elastic component makes the firing pin jet out to break glass, and through the elasticity of first elastic component, make the pressing piece reset, at the in-process that first elastic component resets, make spacing subassembly resets, resumes initial state promptly, makes safety hammer repeatedly usable. The utility model discloses when using, the space that need not wave only needs to aim at the position that needs break, presses the casing and can make the relative casing of pressing member move down, makes the firing pin launch out and breaks glass, and the operation is extremely simple, reliable, effective. Furthermore, the utility model discloses still have rational in infrastructure, small, be convenient for accomodate or carry characteristics such as.

Drawings

Fig. 1 is an exploded schematic view of a safety hammer according to a first preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the safety hammer according to the first preferred embodiment of the present invention in an initial state.

Fig. 3 is a schematic cross-sectional view illustrating a downward-moving state of the pressing member of the first preferred embodiment of the safety hammer according to the present invention.

Fig. 4 is a schematic cross-sectional view illustrating a firing state of a striker according to a first preferred embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a striker according to a first preferred embodiment of the present invention.

Fig. 6 is an exploded schematic view of a safety hammer according to a second preferred embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of an initial state of a second preferred embodiment of the safety hammer according to the present invention.

Fig. 8 is a schematic cross-sectional view illustrating a downward-moving state of a pressing member according to a second preferred embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view illustrating a striker in an ejection state according to a second preferred embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a limiting member of a second preferred embodiment of the safety hammer according to the present invention.

Fig. 11 is a schematic structural diagram of a stopper and a striker according to a second preferred embodiment of the present invention.

Fig. 12 is a schematic structural view of a striker cavity member of a striker according to a second preferred embodiment of the present invention.

Fig. 13 is a schematic structural diagram of a housing of the safety hammer according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1, 2, 3 and 4, the safety hammer of the present invention includes a housing 1, a striker 2, a pressing member 3 for controlling the ejection of the striker 2, a first elastic member 4 for resetting the pressing member 3, and a second elastic member 5 for ejecting the striker 2, wherein the pressing member 3 is disposed in the housing 1, and partially extends out of the housing 1, and is tightly attached to a component to be broken by glass through the pressing member 3.

The first elastic piece 4 is arranged between the pressing piece 3 and the inner wall of the shell 1, the second elastic piece 5 is sleeved on the firing pin 2, and the firing pin 2 is arranged in the shell 1 and is connected with the bottom of the shell 1 in a sliding mode, so that the pressing piece 3 and the firing pin 2 can move up and down relative to the shell.

The safety hammer further comprises a limiting assembly 6 for controlling the reset of the firing pin 2, wherein the limiting assembly 6 is arranged on the firing pin 2 and is abutted to the pressing piece 3, when the pressing piece 3 is pressed to a preset position, the limiting assembly 6 is contracted into the firing pin 2, the firing pin 2 is ejected by the aid of the elasticity of the second elastic piece 5, and glass can be broken.

When the window needs to be broken in an emergency, the shell 1 is held by a hand, the pressing piece 3 abuts against the glass, the shell 1 is pressed again, the pressing piece 3 moves downwards relative to the shell 1, at the moment, the first elastic piece 4 and the second elastic piece 5 are synchronously compressed (as shown in fig. 3), when the limiting assembly 6 moves downwards to a preset position, the limiting assembly 6 is contracted into the firing pin 2 to release the firing pin 2, at the moment, the second elastic piece 5 resets, and as the second elastic piece 5 accumulates larger energy in the compression process, the firing pin 2 is ejected suddenly through the elasticity of the second elastic piece 5 during resetting (as shown in fig. 4) so as to break the glass. At this time, since there is no shielding object (e.g. glass) at the front end of the pressing member 3, the first elastic member 4 can be reset, so that the pressing member 3 can be synchronously reset (as shown in fig. 2), and the next window breaking operation can be performed, so that the safety hammer can be reused for many times.

The utility model discloses when using, the space that need not wave only needs to aim at the position that need break and press casing 1 can, the operation is extremely simple, reliable, effective.

In this embodiment, the first elastic member 4 and the second elastic member 5 are both compression springs, and have strong elastic restoring force and are not easy to deform.

With continued reference to fig. 1 to 4, the firing pin 2 includes a limit screw 21 and a firing pin shaft 22, the limit screw 21 is screwed with the end of the firing pin shaft 22 and is located outside the bottom end of the housing 1, the firing pin shaft 22 cannot be separated from the housing 1 when being ejected through the limit screw 21, and is always connected with the bottom end of the housing 1, and the assembly of the firing pin 2 with the pressing member 3 and the housing is facilitated.

In the first preferred embodiment, the position-limiting assembly 6 includes a position-limiting pin 61, a position-limiting screw 62 and a position-limiting pin return spring 63, wherein the position-limiting pin return spring 63 is sleeved on the position-limiting pin 61 and located between the end of the position-limiting pin 61 and the striker, and the position-limiting screw 62 is screwed with the position-limiting pin 61. In the initial state, the limit pin 61 abuts against an inner side of the pressing member 3 (as shown in fig. 2), when the limit pin moves down to the preset position, the limit pin 61 and the limit pin return spring 63 are blocked by the housing and synchronously contract into the striker 2, and at this time, the limit pin 61 is separated from the limit position, so that the striker 2 can be ejected (as shown in fig. 4); when the pressing member 3 is reset, the stopper pin 61 is synchronously reset, i.e., returned to the initial state, by the elastic force of the stopper pin reset spring 63.

Referring to fig. 5, the plunger 22 includes a plunger tip head 221, a limit mounting portion 222 and a rod portion 223, the limit mounting portion 222 has an outer diameter larger than that of the plunger tip head 221, and has a first mounting hole 2221 for mounting the limit pin 61 thereon, a counter bore 2222 for mounting the limit screw 62 is provided at an opposite side of the first mounting hole 2221, the limit pin return spring 63 is located in the first mounting hole 2221, and the first mounting hole 2221 further has an insertion hole 2223 for inserting the limit pin 61 therein. The first mounting hole 2221, the insertion hole 2223 and the counter bore 2222 are sequentially communicated and used for mounting the limiting component 6.

During installation, the limit pin return spring 63 is sleeved on the limit pin 61 and inserted into the first installation hole 2221, then the limit screw 62 is placed in the counter bore 2222 and screwed with the limit pin 61, at this time, the limit pin 61 is inserted into the insertion hole 2223, one end of the limit pin is abutted against the head of the limit pin 61, and the other end of the limit pin return spring is abutted against the bottom (namely, the limit installation part 222) of the first installation hole 2221. Specifically, the diameter of the first mounting hole 2221 is larger than the diameter of the head of the stopper pin 61, so that when the stopper pin 61 is retracted, the head can be completely retracted into the first mounting hole 2221 (as shown in fig. 4), and the head does not interfere with the pressing member 3 and cannot play a role in stopping. The diameter of the insertion hole 2223 is smaller than the diameter of the stopper pin return spring 63, and when the stopper pin 61 is retracted, the stopper pin return spring 63 is retracted into the first mounting hole 2221, and when the pressing member 3 is restored, the stopper pin return spring 63 is restored, so that the stopper pin 61 is extended from the first mounting hole 2221 and restored, and interferes with the pressing member 3 to restrict the position of the striker 2.

In the second preferred embodiment of the present invention, the housing 1 and the pressing member 3 are the same as those of the first preferred embodiment, and the structure of the position limiting assembly 6 and the striker 2 is different. Referring to fig. 6 to 10, the limiting assembly 6 includes a limiting member 64, the limiting member 64 includes an elastic portion 641 and a limiting portion 642 integrally disposed, and the limiting portion 642 is disposed at two ends of the elastic portion 641. In the initial state, the two limiting portions 642 of the limiting member 64 abut against the two inner sides of the pressing member 3 (as shown in fig. 7), when the pressing member 3 moves down to the preset position, the limiting portions 642 are pressed to deform the elastic portion 641 and shrink into the striker 2, and at this time, the limiting portions 642 do not interfere with the pressing member 3, so that the striker 2 can be ejected (as shown in fig. 9); when the pressing member 3 is returned, the stopper portion 642 is returned to the initial state by the elasticity of the elastic portion 641.

Referring to fig. 11 and 12 together, in a second preferred embodiment of the present invention, the plunger 22 includes a plunger tip 224 and a plunger cavity 225, the plunger tip 224 is screwed with the plunger cavity 225, the plunger cavity 225 has a cavity 2252 on the top for the positioning member 64 to be installed, and the cavity 2252 has a positioning hole 2251 on both sides for the positioning portion 642 of the positioning member 64 to protrude. The striker head 224 is screwed with the striker cavity 225, so that the limiting member 64 can be conveniently mounted or dismounted, when in mounting, the limiting member 64 is arranged in the cavity 2252, the limiting part 642 extends out of the limiting hole 2251, and then the striker head 224 is screwed with the striker cavity 225, otherwise, the dismounting can be realized, the operation is simple and convenient, and the processing cost is low.

The utility model discloses a two kinds of not isostructures spacing subassembly 6 and firing pin 2 have realized firing pin 2 and have jetted out and reset two kinds of states, can select as required. Of course, the limit component 6 and the striker 2 are not limited thereto, and the present invention does not limit this.

Referring to fig. 13, the housing 1 includes an upper shell 11 and a lower shell 12, and the upper shell 11 is screwed with the lower shell 12 to facilitate mounting or dismounting, and also facilitate mounting or dismounting of various components inside the housing 1.

The lower shell 12 has a groove 121 for mounting the first elastic member 4 and the pressing member 3, and a second mounting hole 122 for mounting the firing pin 2 and the second elastic member 5, the bottom of the second mounting hole 122 has a first through hole 123 for extending the tail end of the firing pin 2, and when the pressing member 3 controls the firing pin 2 to move downwards relative to the shell, the tail end of the firing pin extends out of the first through hole 123 to provide a shooting range and break glass.

Specifically, the blind hole 124 is formed in the first through hole 123 at the outer bottom of the lower shell 12, and the depth of the blind hole 124 is greater than the length of the tail end of the striker 2 extending out of the first through hole 123, so that the tail end of the striker 2 is not exposed when moving downward relative to the shell (as shown in fig. 3 and 8), and the striker can be prevented from accidentally injuring the user or others during emergency operation. Further, the pressing member 3 has a stepped portion 32, and the upper case 11 has a stopper portion 111 for preventing the pressing member 3 from being ejected, so that the pressing member 3 is extended and contracted from the groove 121.

The mouth of the second mounting hole 122 is provided with a slope 1221 for contracting the limiting assembly 6, the mouth of the slope 1221 is provided with a guide 1222, and the diameter of the second mounting hole 122 is larger than the outer diameter of the middle part of the striker 2. When the firing pin 2 moves downwards relative to the shell, the middle part of the firing pin 2 moves downwards into the second mounting hole 122, so that the limiting assembly 6 is extruded by the inclined surface 1221 and completely contracted in the head of the firing pin 2, the limiting assembly 6 is not abutted against the pressing piece 3 at the moment, the firing pin 2 is ejected linearly through the elasticity of the second elastic piece 5, the ejection track cannot be separated, the clamping piece cannot be generated, the ejection force is large, and the glass is more easily broken. Furthermore, the guide 1222 allows the position-limiting component 6 to smoothly enter the inclined plane 1221, so as to ensure the contraction of the position-limiting component 6 when the housing is pressed, thereby ensuring the firing pin 2 to be ejected.

In this embodiment, the pressing member 3 has a second through hole 31 through which the head of the striker 2 extends, the diameter of the second through hole 31 is smaller than the outer diameter of the middle of the striker 2, when the striker 2 is ejected, the middle of the striker 2 plays a role in limiting, so that the striker 2 is prevented from being ejected completely, people or objects are prevented from being injured, and the safety hammer can be reused.

Furthermore, the utility model discloses still have characteristics such as rational in infrastructure, small in size, can put at the automobile door groove, door cup, the storage bag behind the driver's seat of car at will, do benefit to the support and be fixed in on the door window and in the package of hand-carrying, carry and take the convenience.

To sum up, the utility model provides a safety hammer makes pressing part and glass butt through holding the casing, when making the relative casing of pressing part move down, spacing subassembly moves down in step, moves down when predetermineeing the position until spacing subassembly, and spacing subassembly shrink makes the firing pin jet out in to the firing pin, utilizes the elasticity of second elastic component to break glass to through the elasticity of first elastic component, make the pressing part restore to the throne, at the in-process that first elastic component restores to the throne, resume initial state promptly, make safety hammer repeatedly usable. The utility model discloses when using, the space that need not wave only needs to aim at the position that needs break, presses the casing and can make the relative casing of pressing the piece move down, makes the firing pin launch out and breaks glass, can not the fastener when launching, and the operation is extremely simple, reliable, effective.

Furthermore, the utility model discloses still have rational in infrastructure, small, be convenient for accomodate or carry characteristics such as.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims (10)

1. The safety hammer is characterized by further comprising a limiting assembly used for controlling the reset of the firing pin, wherein the limiting assembly is arranged on the firing pin and abutted against the pressing piece.

2. The safety hammer according to claim 1, wherein the limiting assembly comprises a limiting pin, a limiting screw and a limiting pin return spring, the limiting pin return spring is sleeved on the limiting pin, and the limiting screw is in threaded connection with the limiting pin.

3. The safety hammer according to claim 1, wherein the limiting member comprises a limiting member, the limiting member comprises an elastic portion and a limiting portion integrally disposed, and the limiting portion is disposed at both ends of the elastic portion.

4. A safety hammer as claimed in claim 2 or 3, wherein the striker includes a limit screw threadedly engaged with a distal end of the striker shaft and located outside the bottom end of the housing, and a striker shaft.

5. The safety hammer according to claim 4, wherein the striker rod comprises a striker tip, a limit mounting part and a rod part, the limit mounting part has an outer diameter larger than the striker tip and is provided with a first mounting hole for mounting a limit pin, a first counter bore for mounting a limit screw is formed in the opposite side of the first mounting hole, and the limit pin return spring is positioned in the first mounting hole.

6. The safety hammer according to claim 4, wherein the plunger comprises a plunger tip member and a plunger cavity member, the plunger tip member is screwed with the plunger cavity member, the plunger cavity member has a cavity for mounting the stopper at an upper portion thereof, and the cavity has a stopper hole for extending a stopper portion of the stopper at both sides thereof.

7. The safety hammer of claim 4, wherein the housing includes an upper shell and a lower shell, the upper shell being threadably connected to the lower shell.

8. The safety hammer according to claim 7, wherein the lower case has a recess for mounting the first elastic member and the pressing member, a second mounting hole for mounting the striker and the second elastic member, and a first through hole through which a tip of the striker protrudes is formed at a bottom of the second mounting hole.

9. The safety hammer according to claim 8, wherein a mouth of the second mounting hole is provided with a slope for contracting the stopper assembly, and the mouth of the slope has a guide portion.

10. The safety hammer of claim 7, wherein the pressing member has a second through hole through which the head of the striker protrudes, and the diameter of the second through hole is smaller than the outer diameter of the middle portion of the striker.

Images