CN217448734U - Multifunctional lifesaving hammer - Google Patents

Abstract

The utility model discloses a multifunctional lifesaving hammer, which comprises a hammer body, wherein a pointed hammer and a flat hammer are respectively fixedly connected with the two ends of the hammer body, a hammer handle is fixedly connected with the middle part of the hammer body, the hammer handle is formed by detachably screwing a hollow tubular connector and a handle rod, and the tail part of the handle rod is provided with a tail cover; the head of the hammer handle is provided with a screwdriver device, the tail of the hammer handle is provided with a spring striking type mini lifesaving hammer device, and the surface of one side of the peripheral surface of the hammer body is provided with a cutting knife device; the utility model discloses lifesaving hammer's advantage is: besides the function of the lifesaving hammer in the prior art, the lifesaving hammer is additionally provided with a cutting knife for cutting off a safety belt, a screwdriver with replaceable different flower-shaped tool bits and a spring striking type mini lifesaving hammer device operated in a pressing mode, the function of the lifesaving hammer is expanded, the requirements of different evacuees of a vehicle in an emergency can be met, and the lifesaving hammer has the characteristics of novel design, compact and reasonable structure and flexible and convenient use.

Description

Multifunctional lifesaving hammer

Technical Field

The utility model relates to a lifesaving utensil technical field especially relates to a multi-functional lifesaving hammer.

Background

The lifesaving hammer is also called a safety hammer, is an auxiliary escape tool installed in a closed cabin, is generally installed in a place which is easy to take in the closed cabin of a vehicle and the like, and can be conveniently taken out to smash a glass window door to smoothly escape when the closed cabin of the vehicle and the like has a fire disaster or falls into water and other emergency accidents. The existing lifesaving hammer generally comprises a hammer body and a handle, wherein one end of the hammer body is provided with a pointed hammer, and the other end of the hammer body is provided with a flat hammer. In addition, the existing life-saving hammer is used by means of the knocking force of a user, the toughened glass of a vehicle window and door is firm, and the glass can be broken only by applying a certain force, for example, the life-saving hammer is limited in use space when an emergency accident occurs to the vehicle, or the vehicle falls into water and is watered in the vehicle, and due to the resistance effect of the water, the glass cannot be broken by applying a certain knocking force to the glass when the user swings the life-saving hammer. For another example, the glass cannot be broken by using the conventional lifesaving hammer for the old, children and other people with insufficient strength. Thus, the escape can not be realized. In addition, a screwdriver and the like for opening a fastening screw are often needed in the escape process, and the existing lifesaving hammer with single function cannot meet the requirement. Accordingly, the prior art is in need of innovative improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of prior art, and provide a novel structure, convenient to use, can satisfy the multi-functional lifesaving hammer of multiple occasion demand.

The utility model adopts the technical proposal that: the utility model provides a multi-functional lifesaving hammer, includes hammer block, hammer handle, hammer block both ends face is equipped with the mount pad hole respectively, two connect respectively on the mount pad hole and be fixed with a pointed hammer and a flat hammer, hammer block middle part one side is equipped with hammer handle connecting hole, its characterized in that:

the hammer handle comprises a hollow tubular connector and a handle rod, wherein an internal thread is arranged at the tail end port of the tubular connector, an external thread is arranged at the head of the handle rod, the tubular connector is detachably screwed and fixed with the handle rod, the head of the tubular connector is tightly matched and fixedly connected with the hammer handle connecting hole, and the top surface of the head of the handle rod is also provided with a first inner cavity hole;

the tail part of the handle rod is provided with a second inner cavity hole with an opening at the bottom end surface, and the opening part of the second inner cavity hole is provided with internal threads; a tail cover with an external thread at one end is in threaded connection and fixed with the orifice part of the second inner cavity, and a first central through hole is formed in the inner bottom surface of the tail cover;

a screwdriver device is arranged at the upper part of the hammer handle; the tail part of the hammer handle is provided with a bullet hitting type mini lifesaving hammer device; a cutting knife device is arranged on one side surface of the outer peripheral surface of the hammer body.

Furthermore, threaded openings are respectively formed in mounting base holes formed in two ends of the hammer body, external threads are respectively arranged at the connecting ends of the pointed hammer and the flat hammer, and the pointed hammer and the flat hammer are respectively fixed on the two mounting base holes in a threaded mode.

Furthermore, at least one end of the two mounting seat holes is provided with a through hole connected with the hammer handle connecting hole, and a positioning fixing bolt for preventing the connector from loosening from the hammer handle connecting hole is fixedly arranged in the through hole.

Furthermore, the end part of one side, close to the hammer, of the positioning fixing bolt is provided with a circular ring, the bottom surface of the circular ring is close to the bottom surface of the hammer, the upper surface of the circular ring is close to the mounting seat hole and the transitional step surface of the through hole, a circular convex column is arranged at the center of the top surface of the positioning fixing bolt, a positioning groove is formed in the middle part, corresponding to the through hole, of the connector, and the circular convex column is embedded into the positioning groove and is bolted and fixed.

Preferably, the screwdriver device comprises a screwdriver device component, a screwdriver bit storage cavity formed by the inner cavity hole of the tubular connector and a screwdriver handle formed by the handle rod.

Preferably, the screwdriver device component consists of a screwdriver head fixing seat, a screwdriver head and a strong magnet column, the screwdriver device component is matched, fixedly connected and connected with a first inner cavity hole formed in the head of the handle rod through the screwdriver head fixing seat, and the upper part of the screwdriver head fixing seat extends out of the end surface of the first inner cavity hole;

the center of the top surface of the screwdriver head fixing seat is provided with a hexagonal screwdriver head mounting hole, the shape of the peripheral surface of the middle lower part of the screwdriver head is the same as that of the screwdriver head mounting hole, and the middle lower part of the screwdriver head is placed in the screwdriver head mounting hole in a pluggable matching way;

the center of the bottom surface of the mounting hole of the screwdriver bit is provided with a round through hole, and the strong magnet column is fixedly mounted in the round through hole arranged at the center.

Furthermore, the inner peripheral surface of the first inner cavity hole is hexagonal, and the shaft peripheral surface of the screwdriver bit fixing seat is hexagonal, and the first inner cavity hole and the shaft peripheral surface of the screwdriver bit fixing seat can be matched and connected with each other.

Furthermore, two sides corresponding to the peripheral surface of the middle lower part of the screwdriver head fixing seat are provided with elastic positioning pieces, the outer side surfaces of the head ends of the two elastic positioning pieces are respectively provided with two symmetrical first reverse buckling legs, the peripheral surface of the first inner cavity hole corresponding to the two reverse buckling legs is provided with a second positioning groove, and the two first reverse buckling legs are connected with the second positioning groove in a buckling manner.

Preferably, the impact mini lifesaving hammer device comprises an impact mini lifesaving hammer device component and an outer shell body formed by the tail cover which is in threaded connection with the tail part of the handle rod.

Preferably, the striking mini lifesaving hammer device component comprises a barrel with a sealed bottom end, a firing pin rod, a pressing cap, a pressing pushing piece, a power storage spring for ejecting the firing pin and a return spring for returning the pressing pushing piece, wherein a head cover is fixedly connected to the upper opening end of the barrel, and a second central through hole is formed in the bottom surface of an inner cavity hole of the barrel; the lower end face of the firing pin rod is provided with a central connecting hole, and the upper end part of the firing pin is fixedly connected in the central connecting hole; the striker rod is arranged in the cavity hole in the cylinder body and can be in up-and-down sliding fit connection, and the striker penetrates through the second central through hole and can be in up-and-down sliding fit connection with the second central through hole; two symmetrical second reverse buckling feet are further arranged on two sides of the outer peripheral surface of the lower part of the cylinder body;

the power storage spring is arranged between the upper surface of the plunger and the inner surface of the head cover; the return spring is sleeved on the firing pin;

a second convex column protruding upwards is arranged in the middle of the bottom surface of the inner cavity of the pressing cap, a third central through hole communicated with the bottom end surface of the pressing cap is arranged on the top surface of the second convex column, and a limiting convex part is further arranged on the shaft circumferential surface of the upper end part of the pressing cap;

the collision needle head is inserted into the third central through hole and is connected with the third central through hole in a sliding fit manner;

the lower part of the pressing pushing piece is provided with a column sleeve provided with an axial through hole, two symmetrical upward flaky elastic push rods are arranged on the top surfaces of two sides of the through hole, the upper parts of the two elastic push rods are opened in a horn mouth shape, two equal-width guide through hole straight grooves are respectively arranged on the surfaces of the opening parts of the horn mouths of the upper parts of the two elastic push rods, and the upper ends of the two guide through hole straight grooves are correspondingly buckled with the two second back-off pins respectively;

the pressing cap and the pressing pushing piece are mutually sleeved and fixed;

a pushing locking structure which pushes the plunger to move above the inner cavity of the barrel body to a set position to separate the two elastic push rods from the plunger is arranged between the two elastic push rods and the plunger;

the pressing cap is inserted into the first central through hole from the inner bottom surface of the tail cover, is connected with the first central through hole in a sliding fit mode, partially extends out of the bottom surface of the tail cover, the limiting convex part is connected with the top surface of the first central through hole in a leaning mode, and the top surface of the head cover is connected with the top surface of the second inner cavity hole in a leaning mode.

Furthermore, the two sides of the head cover are provided with buckling tongues, the two buckling tongues are respectively provided with a buckling hole, the two sides of the outer peripheral surface of the upper opening end of the barrel body corresponding to the two buckling holes are provided with buckling feet, and the two buckling holes are respectively buckled with the two buckling feet correspondingly.

Further, barrel inner chamber hole establish to the shoulder hole form, the upper portion of shoulder hole is greater than well lower part, the plunger upper end global is equipped with spacing bulge loop, and spacing bulge loop is connected with the upper portion sliding fit of barrel shoulder hole: two sides of the circumferential surface of the middle lower part of the stepped hole of the barrel body are provided with guide sliding chutes which are axially positioned, and two sides of the axial circumferential surface of the plunger rod are provided with convex keys which are matched with the guide sliding chutes and are in sliding connection.

Furthermore, a connecting column is arranged in the center of the bottom surface of the head cover, an upper central blind hole is formed in the upper end surface of the plunger, the power storage spring is arranged in the upper central blind hole, and the upper end portion of the power storage spring is sleeved on the connecting column.

Furthermore, the limiting convex part structure is a lug with a circular arc-shaped head end surface and four corners.

Furthermore, a counter bore is formed in the bottom end face of the pressing cap.

Furthermore, two corresponding limiting hole grooves are respectively formed in two sides of the connecting circumferential surface of the pressing cap and the pressing pushing piece, two limiting convex heads are respectively arranged on the circumferential surface of the pressing pushing piece corresponding to the two limiting hole grooves, and the two limiting convex heads are respectively correspondingly matched and connected with the two limiting hole grooves; two corresponding third reverse buckling feet are arranged on the circumferential surface of the inner cavity of the pressing cap, and the two third reverse buckling feet are respectively buckled on two sides of the top surface of the cylindrical sleeve at the lower part of the pressing pushing piece.

Furthermore, the push lock catch structure comprises two corresponding push raised heads respectively arranged on the inner surfaces of the lower sides of the opened starting ends of the bell mouths at the upper parts of the two elastic push rods; two symmetrical windowing holes which are communicated with the inner cavity of the cylinder body and extend to the bottom end face of the cylinder body are formed in the axial two sides of the circumferential surface of the cylinder body on the lower sides of the two second reverse buckling legs, and the middle lower parts of the two elastic push rods are respectively positioned in the two windowing holes to be mutually connected in a sliding fit mode when being static.

Furthermore, the inner and outer surfaces of the two elastic push rods are arc-shaped.

Furthermore, the upper side surfaces of the two pushing raised heads are respectively vertical to the inner side surfaces of the two elastic push rods, and the two inner side surfaces corresponding to the two pushing raised heads are arc surfaces.

Furthermore, the end face of the bottom opening of the second central through hole is also provided with a convex ring column protruding downwards, the head of the return spring is sleeved on the convex ring column for positioning, and the tail end of the return spring is sleeved on the second circular convex column for positioning.

Further, second inner chamber hole top surface still be equipped with the ladder hole, first central through-hole upper end is equipped with down the ladder hole, first central through-hole with go up the ladder hole and keep same axle center, the skull is located last ladder hole and fixes a position.

Preferably, the cutting knife device comprises a cutting knife device component which is in fixed connection with the outer peripheral surface of one side of the hammer body.

Preferably, the cutter device member comprises a blade holder, a cutting blade and a fixing screw, wherein 1 to 2 screw mounting holes are formed in the upper part of the blade holder, a recessed part with left and right openings and lower openings is formed in the bottom surface of the middle lower part of the blade holder, a blade fixing groove is formed in the surface of the recessed part and the upper surface of the recessed part, and the upper end part and one side end part of the cutting blade are embedded and fixed in the blade fixing groove;

screw fixing holes corresponding to the screw mounting holes in the same number and arrangement positions are formed in the axial middle-upper portion of the outer peripheral surface on one side of the hammer body, the blade seat is fixedly connected to the outer peripheral surface on one side of the hammer body through fixing screws, the bottom surface of the blade seat and the bottom end surface of the cutting blade are abutted to the surface of the hammer body, and an oblique edge portion of the cutting blade is aligned with an opening on the lower side of the concave portion; an inlet part for the safety belt to enter is formed between the lower opening of the concave part of the blade seat and the surface of the hammer body.

Furthermore, the axial two side surfaces of the upper part of the blade seat are provided with 2 screw mounting holes with counter bores.

Furthermore, the screw fixing hole is formed in the axial middle-upper portion of the rear side surface of the hammer body (1).

Compared with the prior art, the utility model has the advantages of: besides the functions of the lifesaving hammer in the prior art, the following functions are added: firstly, a cutting knife device arranged on one side of the hammer body can be used for cutting a clamped safety belt; secondly, by utilizing the flicking type mini lifesaving hammer device which is arranged at the tail part of the hammer handle and operated in a pressing mode, when the lifesaving hammer is limited by the hand swing in the case of an emergency accident of a vehicle and cannot apply a certain knocking force to the glass to smash the window glass, a user can hold the lifesaving hammer body to attach the pressing end of the mini lifesaving hammer arranged at the tail part of the hammer handle to the glass, the window glass can be smashed quickly by pressing, and the flicking type mini lifesaving hammer device is simple and labor-saving to operate; and thirdly, a screwdriver device capable of replacing different flower-shaped tool bits is arranged between the handle of the lifesaving hammer and the connecting piece of the hammer body in a hidden mode, so that the lifesaving hammer can be suitable for occasions needing screwdrivers in the escape process. The multifunctional lifesaving hammer meets the requirements of escapers when an emergency accident happens to a vehicle by virtue of the structural design, and has the characteristics of novel design, compact and reasonable structure, and flexible and convenient use and operation.

Drawings

Fig. 1-1 and 1-2 are front and reverse perspective views, respectively, of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3-1 is a top view of a barrel component of the impact mini life-saving hammer device in the embodiment of the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a schematic view of a partial sectional structure of a cutting knife device according to an embodiment of the present invention.

Fig. 6-1 and 6-2 are front and top views, respectively, of an embodiment of the present invention.

Fig. 7 is a front perspective exploded view of the embodiment of the present invention.

Fig. 8 is a reverse exploded perspective view of an embodiment of the present invention.

Fig. 9-1 and 9-2 are schematic structural views of a straight-head screwdriver head assembled with the utility model.

Fig. 10-1 and 10-2 are schematic structural views of the crosshead screwdriver head assembled with the present invention.

Fig. 11-1 and 11-2 are schematic structural views of the hexagon socket head screwdriver head assembled with the present invention.

Fig. 12-1 and 12-2 are schematic structural views of the plum blossom-shaped screwdriver head assembled with the present invention.

In the figure: 1. the screwdriver comprises a hammer body, 11, a mounting seat hole, 111, a through hole, 12, a hammer handle connecting hole, 2, a hammer handle, 21, a tubular connecting head, 211, a first positioning groove, 22, a handle rod, 221, a first inner cavity hole, 222, a second positioning groove, 3, a pointed hammer, 31, a pointed cone, 4, a flat hammer, 5, a positioning fixing bolt, 51, a circular ring, 52, a first circular convex column, 6, a screwdriver device component, 61, a screwdriver head fixing seat, 611, an elastic positioning sheet, 612, a first back-off foot, 613, a transverse separating ring sheet, 614, a screwdriver head mounting hole, 615, a circular through hole, 62, a screwdriver head, 63 and a strong magnet column;

7. a cylinder body, 71, a buckling foot, 72, a second central through hole, 73, a guide sliding groove, 74, a second inverted buckling foot, 75, a window opening hole, 76, a convex ring column, 8, a firing pin, 9, a firing pin rod, 91, a central connecting hole, 92, a limit convex ring, 93, a convex key, 94, a central blind hole, 10, a pressing cap, 101, a second circular convex column, 102, a third central through hole, 103, a limit hole groove, 104, a third inverted buckling foot, 105, a limit convex part, 106, an opening groove, 107, a counter bore, 13, a pressing pushing piece, 131, a through hole, 132, an elastic pushing rod, 133, a guide through hole straight groove, 134, a pushing convex head, 135, a limit convex head, 14, a power storage spring, 15, a return spring, 16, a head cover, 161, a buckling tongue piece, 162, a buckling hole, 163, a connecting column, 223, a second inner cavity hole, 224, an upper step hole, 23, a tail cover, 230, a first central through hole, 231, a lower step hole, 200. a flick type mini lifesaving hammer device component 201, a push lock catch structure;

17. blade holder 171, screw mounting hole 172, blade fixing groove 18, cutting blade 173, recess 19, fixing screw 20, entrance 120, screw fixing hole, cutting knife device member 300.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

The structures, directions and position relations of various parts and components expressed by the characters of front, back, left, right, upper, middle, lower, top and bottom in the following description are all used as reference basis for expressing the positions of the drawings in the specification and the attached drawings.

Referring to fig. 1 to 8, the multifunctional lifesaving hammer comprises a hammer body 1, a hammer handle 2, a pointed hammer 3 and a flat hammer 4, wherein two ends of the hammer body 1 are respectively provided with a mounting seat hole 11, and the middle part of the hammer body 1 is provided with a hammer handle connecting hole 12; threaded openings are respectively formed in mounting seat holes 11 formed in the two ends of the hammer body 1, external threads are respectively formed at the connecting ends of the pointed hammer 3 and the flat hammer 4, and the pointed hammer 3 and the flat hammer 4 are respectively fixed on the two mounting seat holes 11 in a threaded manner; the head of the pointed hammer 3 is embedded with a cone 31 made of hard material.

Hammer handle 2 includes hollow tubulose connector 21, handle pole 22, 21 tail end mouths of tubulose connector are equipped with the internal thread, handle pole 22 head is equipped with the external screw thread, tubulose connector 21 is fixed with the detachable formula spiro union of handle pole 22, the head of tubulose connector 21 with hammer handle connecting hole 12 tight fit fixed connection, the head top surface of handle pole 22 still is equipped with first inner chamber hole 221.

A second inner cavity hole 223 with an opening at the bottom end surface is formed at the tail part of the handle rod 22, and an internal thread is formed at the opening part of the second inner cavity hole 223; the tail cover 23 with an external thread at one end is fixed with the mouth of the second inner cavity hole 223 in a threaded manner, and the inner bottom surface of the tail cover 23 is provided with a first central through hole 230.

At least one end of the two mounting base holes 11 is provided with a through hole 111 connected with the hammer handle connecting hole 12, and a positioning fixing bolt 5 for preventing the tubular connector 21 from loosening from the hammer handle connecting hole 12 is arranged and fixed in the through hole 111; the end part of one side, close to the hammer head, of the positioning fixing bolt 5 is provided with a circular ring 51, the bottom surface of the circular ring 51 is close to the bottom surface of the hammer head, the upper surface of the circular ring is close to the mounting seat hole 11 and the transitional step surface of the through hole 111, a first circular convex column 52 is arranged at the center of the top surface of the positioning fixing bolt 5, a first positioning groove 211 is formed in the middle of the head of the hammer handle 2 corresponding to the through hole 111, and the first circular convex column 52 is embedded into the first positioning groove 211 and is fixedly connected in a bolting mode.

A screwdriver device is arranged at the upper part of the hammer handle 2; the tail part of the hammer handle 2 is provided with a bullet hitting type mini lifesaving hammer device; a cutting knife device is arranged on one side surface of the outer peripheral surface of the hammer body 1.

The screwdriver device comprises a screwdriver device component 6, a screwdriver bit storage cavity formed by the inner cavity hole of the tubular connector 21 and a screwdriver handle formed by the handle rod 22.

The screwdriver device component 6 comprises a screwdriver head fixing seat 61, a screwdriver head 62 and a strong magnet column 63, wherein the screwdriver head fixing seat 61 is matched with the first inner cavity hole 221 and is fixedly arranged at the head of the handle rod 22, and the upper part of the screwdriver head fixing seat 61 extends out of the surface of the opening end of the first inner cavity hole 221.

A hexagonal screwdriver head mounting hole 614 is formed in the center of the top surface of the screwdriver head fixing seat 61, the shape of the peripheral surface of the middle lower portion of the screwdriver head 62 is the same as that of the screwdriver head mounting hole 614, and the middle lower portion of the screwdriver head 62 is placed in the screwdriver head mounting hole 614 to be connected in a pluggable and matched mode; screwdriver head selects to join in marriage from the existing standard accessory product on the market, and screwdriver head's shape of head has different flower shapes, can dispose according to user's user demand, and it is shown in fig. 9 to 12 to see, is equipped with 4 screwdriver heads of a word head shape, cross head shape, interior hexagonal head shape and plum blossom head shape in this embodiment, places in the tubular connector inner chamber hole of screwdriver head fixing base top, selects the replacement when supplying to use.

Screwdriver head mounting hole 614 bottom surface center is equipped with circular through-hole 615, powerful magnet post 63 fixed mounting in the center is equipped with circular through-hole 615, can be right screwdriver head 62 plays magnetic force adsorption, and the screwdriver head falls out from the screwdriver head mounting hole when preventing to use.

The inner circumferential surface of the first inner cavity hole 221 is hexagonal, and the axial circumferential surface of the screwdriver bit fixing base 61 is hexagonal, which is capable of being matched with the first inner cavity hole 221, so that the screwdriver bit fixing base 61 can be positioned in the axial circumferential direction after being mounted in the first inner cavity hole 221.

Two sides corresponding to the peripheral surface of the middle lower part of the screwdriver bit fixing seat 61 are provided with elastic positioning pieces 611, the outer side surfaces of the head ends of the two elastic positioning pieces 611 are respectively provided with two symmetrical first inverse buckling feet 612, the peripheral surface of the first inner cavity hole 221 corresponding to the two first inverse buckling feet 612 is provided with a second positioning groove 222, and the two first inverse buckling feet 612 are connected with the second positioning groove 222 in a buckling manner, so that the axial positioning effect is realized after the screwdriver bit fixing seat 61 is installed in the first inner cavity hole 221.

The middle upper part of the screwdriver head fixing seat 61 is further provided with a transverse separating ring piece 613, and the bottom surface of the transverse separating ring piece 613 is connected with the head end surface of the handle rod 22 in a leaning manner.

The impact type mini lifesaving hammer device comprises an impact type mini lifesaving hammer device component 200 and an outer shell body formed by the tail part of the handle rod 22 and a tail cover 23 screwed on the tail part of the handle rod 22.

The flicking type mini lifesaving hammer device component 200 comprises a barrel 7 with a sealed bottom end, a firing pin 8, a firing pin rod 9, a pressing cap 10, a pressing pushing piece 13, a power storage spring 14 for popping the firing pin 8 and a return spring 15 for returning the pressing pushing piece, wherein the upper end of the barrel 7 is fixedly connected with a head cover 16, two sides of the head cover 16 are provided with buckling pieces 161, two buckling pieces 161 are respectively provided with a buckling hole 162, two sides of the outer peripheral surface of the upper end of the barrel 7 corresponding to the two buckling holes 162 are provided with buckling feet 71, and the two buckling holes 162 are correspondingly buckled with the two buckling feet 71 respectively; a second central through hole 72 is formed in the bottom surface of the inner cavity hole of the cylinder 7; the lower end face of the firing pin rod 9 is provided with a central connecting hole 91, and the upper end part of the firing pin 8 is fixedly connected in the central connecting hole 91; the firing pin rod 9 is arranged in the cavity hole of the barrel body 7 and can be connected in a vertically sliding fit manner, and the firing pin 8 penetrates through the second central through hole 72 and is connected with the second central through hole 72 in a vertically sliding fit manner; two symmetrical second reverse buckling feet 74 are further arranged on two sides of the outer peripheral surface of the lower portion of the cylinder 7.

The inner cavity hole of the cylinder body 7 is designed to be a step hole shape, the upper part of the step hole is larger than the middle lower part, the peripheral surface of the upper end part of the plunger 9 is provided with a limit convex ring 92, the limit convex ring 92 is connected with the upper part of the step hole of the cylinder body 7 in a sliding fit manner, two sides of the peripheral surface of the middle lower part of the step hole of the cylinder body 7 are provided with guide sliding grooves 73 which are axially positioned, and two sides of the shaft peripheral surface of the plunger 9 are provided with convex keys 93 which are matched with and connected with the guide sliding grooves 73 in a sliding manner.

The power spring 14 is arranged between the upper surface of the plunger 9 and the inner surface of the head cover; the return spring 15 is sleeved on the striker 8.

The center of the bottom surface of the head cover is provided with a connecting column 163, the upper end surface of the plunger 9 is provided with an upper central blind hole 94, the power storage spring 14 is arranged in the upper central blind hole 94, and the upper end part of the power storage spring 14 is sleeved on the connecting column 163.

A second circular convex column 101 which protrudes upwards is arranged in the middle of the bottom surface of the inner cavity of the pressing cap 10, a third central through hole 102 which is communicated with the bottom end surface of the pressing cap is arranged on the top surface of the second circular convex column 101, and the head of the firing pin 8 is inserted into the third central through hole 102 and is connected with the third central through hole in a sliding fit manner.

The lower part of the pressing and pushing piece 13 is provided with a column sleeve provided with an axial through hole 131, the through hole 131 is in a front-back equal width shape, two ends of the through hole 131 are in an arc shape, the distance between the front-back equal width of the through hole 131 is set to be the size of the head part of the return spring 15 which can be movably placed in, and the distance between two side surfaces of the through hole is larger than the distance between the front-back equal width; two symmetrical upward sheet-shaped elastic push rods 132 are arranged on the top surfaces of the two sides of the through hole 131, the upper parts of the two elastic push rods 132 are flared, the inner and outer surfaces of the two elastic push rods 132 are arc-shaped, and the distance between the two inner side surfaces of the lower parts of the two elastic push rods 132 is set to be the size which can be in sliding fit with the shaft peripheral surface of the lower part of the plunger; two guide through hole straight grooves 133 with the same width are respectively arranged on the surfaces of the flared parts of the upper parts of the two elastic push rods 132, and the upper ends of the two guide through hole straight grooves 133 are correspondingly buckled with the two second inverse buckling feet 74 respectively.

The pressing cap 10 and the pressing pushing piece 13 are sleeved and fixed with each other.

Two corresponding limiting hole grooves 103 are respectively formed in two sides of the connecting circumferential surface of the pressing cap 10 and the pressing pushing piece 13, two limiting protruding heads 135 are respectively arranged on the circumferential surface of the pressing pushing piece 13 corresponding to the two limiting hole grooves 103, and the two limiting protruding heads 135 are respectively correspondingly matched and connected with the two limiting hole grooves 103; the pressing cap and the pressing pushing piece are axially and circumferentially positioned.

Two corresponding third reverse buckling feet 104 are arranged on the circumferential surface of the inner cavity of the pressing cap 10, and the two third reverse buckling feet 104 are respectively buckled on two sides of the top surface of the cylindrical sleeve at the lower part of the pressing pushing piece 13 to axially position the pressing cap and the pressing pushing piece.

A pushing locking structure 201 is arranged between the two elastic push rods 132 and the needle plunger 9 for pushing the needle plunger 9 to move to a set position above the inner cavity of the barrel 7 so as to separate the two elastic push rods 132 and the needle plunger 9.

The push latch structure 201 comprises two corresponding push protruding heads 134 respectively arranged on the inner surfaces of the lower sides of the opened starting ends of the bell mouths on the upper parts of the two elastic push rods 132, the upper side surfaces of the two push protruding heads 134 are respectively vertical to the inner side surfaces of the two elastic push rods, and the two corresponding inner side surfaces of the two push protruding heads 134 are arc surfaces; two symmetrical window-opening holes 75 which are communicated with the inner cavity of the barrel 7 and extend to the bottom end face of the barrel are formed in the two axial sides of the circumferential surface of the barrel 7 on the lower side of the two second reverse buckling feet 74, the width of each window-opening hole 75 is set to be capable of being respectively placed in the two elastic push rods 132 and respectively keeping sliding fit connection with the two elastic push rods, and the depth of the bottom surface of the bottom plate part of the barrel 5 of each window-opening hole 75 is set to be capable of enabling the two pushing raised heads 134 to be respectively inserted into the inner cavity of the barrel from the bottom of the barrel; the two elastic push rods 132 are respectively positioned in the two windows 75 to be mutually connected in a sliding fit manner when in a static state.

The end face of the bottom opening of the second central through hole 72 is further provided with a convex ring column 76 protruding downwards, the head of the return spring 15 is sleeved on the convex ring column 76 for positioning, and the tail end of the return spring 15 is sleeved on the second circular convex column 101 for positioning.

The upper end of the pressing cap 10 is provided with a limit convex part 105 on the axial circumference, and the limit convex part 105 is in a structure that the surface of the head end is a convex piece distributed in four corners; two sides of the upper end surface of the pressing cap 10 corresponding to the two elastic push rods 132 are further provided with an open groove 106 with a width larger than the width of the two elastic push rods 132, and the bottom end surface of the pressing cap 10 is further provided with a counter bore 107.

The pressing cap 10 is inserted into the first central through hole 230 from the inner bottom surface of the tail cover 23 and is connected with the first central through hole in a sliding fit manner, and part of the pressing cap extends out of the bottom surface of the tail cover 23, the limiting convex part 105 is abutted against the top surface of the first central through hole 230, and the top surface of the head cover 16 is abutted against the top surface of the second inner cavity hole 223.

The top surface of the second inner cavity 223 is further provided with an upper stepped hole 224, the upper end of the first central through hole 230 is provided with a lower stepped hole 231, the first central through hole 220 and the lower stepped hole 231 keep the same axis, and the head cover 16 is positioned in the upper stepped hole 224.

The cutting knife device comprises a cutting knife device component 300 and a hammer body 1, wherein the cutting knife device component is connected with the peripheral surface of one side of the hammer body in a leaning and fixed mode.

The cutting knife device component 300 comprises a blade seat 17, a cutting blade 18 and a fixing screw 19, wherein 2 screw mounting holes 171 with counter bores are arranged on the two axial side surfaces of the upper part of the blade seat 17, the bottom surface of the middle lower part of the blade seat is provided with a concave part 173 with left, right and lower side openings, the surface of the concave part 173 and the surface of the upper side of the concave part are provided with blade fixing grooves 172, and the upper end part and one side end part of the cutting blade 18 are embedded and fixed in the blade fixing grooves 172; screw fixing holes 120 corresponding to the screw mounting holes 171 in the same number and arrangement positions are formed in the axially middle upper portion of the rear side surface of the hammer body 1, the blade holder 17 is fastened to the outer peripheral surface of one side of the hammer body 1 by fixing screws 19, the bottom surface of the blade holder 17 and the bottom end surface of the cutting blade 18 are abutted against the surface of the hammer body 1, and the inclined edge portion of the cutting blade 18 is aligned with the lower side opening of the recessed portion 173; an entrance 20 for the belt to enter is formed between the lower opening of the recess 173 of the blade seat 17 and the surface of the hammer body 1.

The utility model discloses the last screwdriver device's that establishes of lifesaving hammer application method: when the screwdriver arranged on the lifesaving hammer is used, the hammer body of the lifesaving hammer can be held by one hand, the handle rod of the hammer handle is rotated anticlockwise by the other hand to be separated from the tubular connector of the hammer handle, the handle rod of the hammer handle is also used as the handle of the screwdriver, and then the screwdriver head with the proper head shape is selected from the inner cavity hole of the tubular connector and inserted into the mounting hole of the screwdriver head fixing seat arranged at the head of the handle rod to be used.

The working principle and the using method of the spring striking type mini lifesaving hammer device arranged on the lifesaving hammer are as follows: when the lifesaving hammer is used, the hammer body part of the lifesaving hammer is held by hand, the end surface of the pressing cap at the tail part of the hammer handle is abutted against glass, the pressing cap is moved towards the inner cavity at the tail part of the hammer handle by pressing the hammer body part, at the moment, two elastic push rods on a pressing and pushing piece connected with the pressing cap move upwards relative to the lower part of the barrel body until the top surfaces of two pushing raised heads are abutted against the bottom surfaces at two sides of the striker rod, the pressing cap is continuously pressed to move upwards towards the inner cavity at the tail part of the hammer handle, the striker rod also moves upwards relative to the bottom surface of the inner cavity of the barrel body, at the moment, a force storage spring is stressed and compressed, a return spring is stressed and compressed at the same time, meanwhile, the middle lower part of the push rod of the horn-shaped opening part of the two elastic push rods and the outer sides of the top surfaces of two window holes on the barrel body are simultaneously stressed upwards to enable the push rods to move outwards towards two sides of the barrel body to drive the top surfaces of the two pushing raised heads to be gradually separated from the bottom surfaces at two sides of the striker rod, when the top surfaces of the two pushing raised heads are separated from the bottom surfaces of the two sides of the plunger rod, the plunger rod enables the sharp head of the plunger rod to eject and smash glass quickly from the central through hole of the pressing cap under the action of elastic force generated by the instant release of the energy of the power storage spring, and meanwhile, the whole system component automatically resets under the action of the elastic force of the return spring, namely, the initial state is recovered, and the plunger rod can be repeatedly used.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (25)

1. The utility model provides a multi-functional lifesaving hammer, includes hammer block (1), hammer handle (2), hammer block (1) both ends face is equipped with mount pad hole (11) respectively, two connect respectively on mount pad hole (11) and be fixed with a pointed hammer (3) and a flat hammer (4), hammer block (1) middle part one side is equipped with hammer handle connecting hole (12), its characterized in that:

the hammer handle (2) comprises a hollow tubular connector (21) and a handle rod (22), an internal thread is arranged at the tail end opening of the tubular connector (21), an external thread is arranged at the head of the handle rod (22), the tubular connector (21) and the handle rod (22) are detachably screwed and fixed, the head of the tubular connector (21) is tightly matched and fixedly connected with the hammer handle connecting hole (12), and a first inner cavity hole (221) is further formed in the top surface of the head of the handle rod (22);

a second inner cavity hole (223) with an opening at the bottom end surface is formed in the tail part of the handle rod (22), and an internal thread is formed in the opening part of the second inner cavity hole (223); a tail cover (23) with an external thread at the head part is in threaded connection and fixed with the mouth part of the second inner cavity hole (223), and a first central through hole (230) is arranged on the inner bottom surface of the tail cover (23);

the upper portion of hammer handle (2) is provided with the screwdriver device, the afterbody of hammer handle (2) is provided with the mini lifesaving hammer device of formula of hitting, it is provided with the cutting knife device to have a side surface on the outer peripheral face of hammer block (1).

2. A multi-functional lifesaving hammer as claimed in claim 1, wherein: the hammer is characterized in that threaded openings are respectively formed in mounting base holes (11) formed in two ends of the hammer body (1), external threads are respectively arranged at the connecting ends of the pointed hammer (3) and the flat hammer (4), and the pointed hammer (3) and the flat hammer (4) are respectively fixed on the two mounting base holes (11) in a threaded mode.

3. A multi-functional lifesaving hammer as claimed in claim 1, wherein: at least one end of the two mounting base holes (11) is provided with a through hole (111) connected with the hammer handle connecting hole (12), and a positioning fixing bolt (5) for preventing the connecting head (21) and the hammer handle connecting hole (12) from loosening is fixedly arranged in the through hole (111).

4. A multi-functional lifesaving hammer of claim 3 wherein: location gim peg (5) lean on tup one side tip to be equipped with ring (51), the basal surface of ring (51) leans on with the tup basal surface mutually, the upper surface of ring with mount pad hole (11) with the step face of perforating hole (111) transition leans on mutually, is equipped with circular convex column (52) at the top surface center of location gim peg (5), connector (21) with the corresponding middle part of perforating hole (111) is equipped with positioning groove (211), circular convex column (52) are embedded into and are bolted fixedly in positioning groove (211).

5. A multi-functional lifesaving hammer as claimed in claim 1, wherein: the screwdriver device comprises a screwdriver device component (6), a screwdriver bit storage cavity formed by the inner cavity holes of the tubular connectors (21) and a screwdriver handle formed by the handle rod (22).

6. A multi-functional lifesaving hammer of claim 5 wherein: the screwdriver device component (6) consists of a screwdriver head fixing seat (61), a screwdriver head (62) and a strong magnet column (63), the screwdriver device component (6) is fixedly connected with a first inner cavity hole (221) formed in the head of the handle rod (22) in a matched mode through the screwdriver head fixing seat (61), and the upper portion of the screwdriver head fixing seat (61) extends out of the surface of the opening end of the first inner cavity hole (221);

a hexagonal screwdriver head mounting hole (614) is formed in the center of the top surface of the screwdriver head fixing seat (61), the shape of the peripheral surface of the middle lower portion of the screwdriver head (62) is the same as that of the screwdriver head mounting hole (614), and the middle lower portion of the screwdriver head (62) is placed into the screwdriver head mounting hole (614) to be connected in a pluggable matched mode;

screwdriver head mounting hole (614) bottom surface center is equipped with round through hole (615), powerful magnet post (63) fixed mounting in the center is equipped with round through hole (615).

7. A multi-functional lifesaving hammer of claim 6, wherein: the inner peripheral surface of the first inner cavity hole (221) is hexagonal, and the shaft peripheral surface of the screwdriver bit fixing seat (61) is hexagonal, and the shaft peripheral surface of the screwdriver bit fixing seat and the first inner cavity hole (221) can be matched and connected with each other.

8. A multi-functional lifesaving hammer of claim 6, wherein: two sides corresponding to the peripheral surface of the middle lower part of the screwdriver head fixing seat (61) are provided with elastic positioning pieces (611), the outer side surfaces of the head ends of the two elastic positioning pieces (611) are respectively provided with two symmetrical first inverse buckling feet (612), the peripheral surface of the first inner cavity hole (221) corresponding to the two first inverse buckling feet (612) is provided with a second positioning groove (222), and the two first inverse buckling feet (612) are connected with the second positioning groove (222) in a buckling manner.

9. A multi-functional lifesaving hammer as claimed in claim 1, wherein: the impact type mini lifesaving hammer device comprises an impact type mini lifesaving hammer device component (200) and an outer shell body formed by a tail cover (23) which is in threaded connection with the tail of the handle rod (22) and the tail of the handle rod (22).

10. A multi-functional lifesaving hammer of claim 9 wherein: the catapult type mini lifesaving hammer device component (200) comprises a barrel (7) with a sealed bottom end, a firing pin (8), a firing pin rod (9), a pressing cap (10), a pressing pushing piece (13), a power storage spring (14) for ejecting the firing pin (8) and a return spring (15) for returning the pressing pushing piece, wherein a head cover (16) is fixedly connected to the upper end of the barrel (7), and a second central through hole (72) is formed in the bottom surface of an inner cavity hole of the barrel (7); the lower end face of the striker rod (9) is provided with a central connecting hole (91), and the upper end part of the striker (8) is fixedly connected in the central connecting hole (91); the firing pin rod (9) is arranged in an inner cavity hole of the barrel body (7) and can be connected in a vertically sliding fit manner, and the firing pin (8) penetrates through the second central through hole (72) and is connected with the second central through hole (72) in a vertically sliding fit manner; two symmetrical second reverse buckling feet (74) are further arranged on two sides of the outer peripheral surface of the lower part of the cylinder body (7);

the power storage spring (14) is arranged between the upper surface of the plunger (9) and the inner surface of the head cover; the return spring (15) is sleeved on the firing pin (8);

a second circular convex column (101) which protrudes upwards is arranged in the middle of the bottom surface of the inner cavity of the pressing cap (10), a third central through hole (102) which is communicated with the bottom end surface of the pressing cap (10) is arranged on the top surface of the second circular convex column (101), and a limiting convex part (105) is further arranged on the shaft peripheral surface of the upper end part of the pressing cap (10);

the head of the firing pin (8) is inserted into the third central through hole (102) and is connected with the third central through hole in a sliding fit manner;

the lower part of the pressing pushing piece (13) is provided with a column sleeve provided with an axial through hole (131), two symmetrical upward sheet-shaped elastic push rods (132) are arranged on the top surfaces of two sides of the through hole (131), the upper parts of the two elastic push rods (132) are opened in a horn mouth shape, two equal-width guide through hole straight grooves (133) are respectively arranged on the surfaces of the opening parts of the horn mouths of the upper parts of the two elastic push rods (132), and the upper ends of the two guide through hole straight grooves (133) are correspondingly buckled with the two second back-buckling feet (74) respectively;

the pressing cap (10) and the pressing pushing piece (13) are sleeved and fixed with each other;

a pushing locking structure (201) which pushes the needle plunger (9) to move to a set position above the inner cavity of the barrel body (7) to separate the two elastic push rods (132) from the needle plunger (9) is arranged between the two elastic push rods (132) and the needle plunger (9);

the pressing cap (10) is inserted into the first central through hole (230) from the inner bottom surface of the tail cover (23) and is connected with the first central through hole in a sliding fit mode, part of the pressing cap extends out of the bottom surface of the tail cover (23), the limiting convex part (105) is connected with the top surface of the first central through hole (230) in a leaning mode, and the top surface of the head cover (16) is connected with the top surface of the second inner cavity hole (223) in a leaning mode.

11. A multi-functional lifesaving hammer as claimed in claim 10, wherein: skull (16) both sides be equipped with and detain tongue piece (161), be equipped with on two tongue pieces (161) and detain hole (162) respectively, be equipped with in the barrel (7) upper port end outer peripheral face both sides that correspond to two detain hole (162) and detain foot (71), two detain hole (162) and detain foot (71) corresponding lock joint with two respectively.

12. A multi-functional lifesaving hammer as claimed in claim 10, wherein: barrel (7) inner chamber hole establish to the shoulder hole form, the upper portion of shoulder hole is greater than well lower part, plunger (9) upper end global is equipped with spacing bulge loop (92), and spacing bulge loop (92) are connected with the upper portion sliding fit of barrel (7) shoulder hole: two sides of the circumferential surface of the middle lower part of the stepped hole of the barrel body (7) are provided with guide sliding chutes (73) which are axially positioned, and two sides of the axial circumferential surface of the plunger (9) are provided with convex keys (93) which are matched with the guide sliding chutes (73) and are in sliding connection.

13. A multi-functional lifesaving hammer as claimed in claim 10, wherein: the center of the bottom surface of the head cover is provided with a connecting column (163), the upper end surface of the plunger (9) is provided with an upper central blind hole (94), the power storage spring (14) is arranged in the upper central blind hole (94), and the upper end part of the power storage spring (14) is sleeved on the connecting column (163).

14. A multi-functional lifesaving hammer as claimed in claim 10, wherein: the limiting convex part (105) is structurally a convex piece with a circular arc-shaped head end surface and four corners.

15. A multi-functional lifesaving hammer as claimed in claim 10, wherein: the bottom end face of the pressing cap (10) is provided with a counter bore (107).

16. A multi-functional lifesaving hammer as claimed in claim 10, wherein: two corresponding limiting hole grooves (103) are respectively formed in two sides of the connecting circumferential surface of the pressing cap (10) and the pressing pushing piece (13), two limiting convex heads (135) are respectively arranged on the circumferential surface of the pressing pushing piece (13) corresponding to the two limiting hole grooves (103), and the two limiting convex heads (135) are respectively correspondingly matched and connected with the two limiting hole grooves (103); two corresponding third reverse buckling feet (104) are arranged on the circumferential surface of the inner cavity of the pressing cap (10), and the two third reverse buckling feet (104) are respectively buckled on two sides of the top surface of the cylindrical sleeve at the lower part of the pressing pushing piece (13).

17. A multi-functional lifesaving hammer as claimed in claim 10, wherein: the push lock catch structure (201) comprises two corresponding push raised heads (134) which are respectively arranged on the inner surfaces of the lower sides of the opened starting ends of the bell mouths at the upper parts of the two elastic push rods (132); two symmetrical opening holes (75) which are communicated with the inner cavity of the barrel body (7) and extend to the bottom end face of the barrel body are formed in the two axial sides of the circumferential surface of the barrel body (7) at the lower sides of the two second reverse buckling feet (74), and the two elastic push rods (132) are respectively positioned in the two opening holes (75) and are mutually connected in a sliding fit manner when in a static state.

18. A multi-functional lifesaving hammer of claim 17 wherein: the inner and outer surfaces of the two elastic push rods (132) are arc-shaped.

19. A multi-functional lifesaving hammer of claim 17 or 18, wherein: the upper side surfaces of the two pushing raised heads (134) are respectively vertical to the inner side surfaces of the two elastic push rods (132), and the two inner side surfaces corresponding to the two pushing raised heads (134) are arc surfaces.

20. A multi-functional lifesaving hammer as claimed in claim 10, wherein: the end face of the bottom opening of the second central through hole (72) is further provided with a convex ring column (76) protruding downwards, the head of the return spring (15) is sleeved on the convex ring column (76) for positioning, and the tail end of the return spring (15) is sleeved on the second circular convex column (101) for positioning.

21. A multi-functional lifesaving hammer as claimed in claim 10, wherein: second inner chamber hole (223) top surface still be equipped with ladder hole (224), first central through-hole (230) upper end is equipped with down ladder hole (231), first central through-hole (230) with go up ladder hole (224) and keep same axle center, skull (16) are located last ladder hole (224) and fix a position.

22. A multi-functional lifesaving hammer as claimed in claim 1, wherein: the cutting knife device comprises a cutting knife device component (300) and a hammer body (1) which are connected and connected with each other in a leaning and fixed way.

23. A multi-functional lifesaving hammer of claim 22, wherein: the cutting knife device component (300) comprises a blade seat (17), a cutting blade (18) and a fixing screw (19), wherein 1-2 screw mounting holes (171) are formed in the upper portion of the blade seat (17), a concave portion (173) with openings on the left side, the right side and the lower side is formed in the bottom surface of the middle lower portion of the blade seat, blade fixing grooves (172) are formed in the surface of the concave portion (173) and the upper side surface of the concave portion, and the upper end portion and one side end portion of the cutting blade (18) are embedded and fixed in the blade fixing grooves (172);

screw fixing holes (120) corresponding to the screw mounting holes (171) in the same number and arrangement positions are formed in the axial middle-upper portion of the outer peripheral surface of one side of the hammer body (1), the blade seat (17) is fixedly connected to the outer peripheral surface of one side of the hammer body (1) through fixing screws (19), the bottom surface of the blade seat (17) and the bottom end surface of the cutting blade (18) are abutted to the surface of the hammer body (1), and an inclined edge opening portion of the cutting blade (18) is aligned to a lower side opening of the recessed portion (173); an inlet (20) for the safety belt to enter is formed between the lower opening of the concave part (173) of the blade seat (17) and the surface of the hammer body (1).

24. A multi-functional lifesaving hammer of claim 23 wherein: and 2 screw mounting holes (171) with counter bores are formed in the surfaces of two axial sides of the upper part of the blade seat (17).

25. A multi-functional lifesaving hammer of claim 23 wherein: the screw fixing hole (120) is formed in the axial middle-upper portion of the rear side surface of the hammer body (1).

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