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CN-224209876-U - Portable safety hammer

CN224209876UCN 224209876 UCN224209876 UCN 224209876UCN-224209876-U

Abstract

The utility model discloses a portable safety hammer which comprises an outer shell, an inner shell, a blade, a thick spring, a thin spring, a crushing needle and an excitation base, wherein the outer shell is hollow and cylindrical, both ends of the inner side of the outer shell are provided with internal threads, one end of the inner shell is provided with a V-shaped cutting groove, the other end of the inner shell is connected with the excitation base in a sliding manner, one side of the inner shell, which corresponds to the excitation base, is provided with external threads, a limiting seat is arranged in the inner shell, one end of the crushing needle is clamped in the limiting seat and slides in the excitation base, the other end of the crushing needle is clamped in the excitation base and slides, the thick spring and the thin spring are sleeved on the outer edge of the crushing needle, the thick spring and the thin spring are positioned between the excitation base and the limiting seat, the inner shell is fastened by using screws only in the whole assembly process, ultrasonic welding is not needed in the combination of the outer shell and the inner shell, the time of switching working procedures needed in assembly is saved, and therefore the whole production and assembly efficiency is improved.

Inventors

  • ZHANG XIANGYUN

Assignees

  • 宁波新之华汽车部件有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (6)

  1. 1. The utility model provides a portable safety hammer, its characterized in that, includes shell body, inner housing, blade, thick spring, thin spring, broken needle and excitation base, the shell body is hollow cylindrical, shell body inboard both ends all have the internal thread, inner housing one end has V-arrangement cutting groove, the inner housing other end sliding connection has excitation base, inner housing corresponds excitation base one side outer edge and has the external screw thread, the inside spacing seat that still has of inner housing, broken needle one end card is gone into in spacing seat and is slided, broken needle other end card is gone into in excitation base and is slided, thick spring and thin spring cover are established at broken needle outer edge, thick spring and thin spring are located between excitation base and the spacing seat.
  2. 2. The portable safety hammer of claim 1, wherein the breaking needle further comprises a conical stop block, a limiting block and a sliding rod, the conical stop block is arranged in the middle of the breaking needle, the sliding rod is arranged at the tail of the breaking needle and used for sliding in the limiting seat, and the limiting block used for preventing the sliding rod from falling out of the limiting seat is arranged at the tail of the sliding rod.
  3. 3. The portable safety hammer according to claim 1, wherein the inner housing has an upper housing and a lower housing which are fastened together, the upper housing and the lower housing are fastened together by screws, the upper housing and the lower housing are provided with embedded grooves corresponding to the fixing positions of the blades, and the upper housing and the lower housing are provided with sliding grooves corresponding to the positions of the excitation base.
  4. 4. The portable safety hammer of claim 1, further comprising a snap-fit cap and a screw cap, wherein the snap-fit cap is snapped onto the outer housing on the side of the outer housing extending the crushing needle, and the screw cap is snapped onto the outer housing on the side extending the blade.
  5. 5. The portable safety hammer of claim 1, further comprising a fixing base for fixing to a vehicle, wherein the fixing base comprises an adhesive flange and a U-shaped buckle, the U-shaped buckle is arranged on the top end face of the adhesive flange, and the U-shaped buckle is used for being clamped on the outer wall of the outer shell for fixing.
  6. 6. The portable safety hammer of claim 1, wherein the outer housing has an open outer side at one end and an open inner side at the other end, and wherein the annular recess is provided for mounting a seal ring.

Description

Portable safety hammer Technical Field The utility model relates to the technical field of safety hammers, in particular to a portable safety hammer. Background At present, most of portable safety hammers on the market are excited by springs, the size of the portable safety hammers is small and exquisite, the use is convenient, and a hidden blade for cutting is further arranged at the tail of the portable safety hammers, but the production procedures of the conventional portable safety hammers are complicated, various fastening tools are required to be used when parts are assembled, a shell is welded by using an ultrasonic welder after the assembly is completed, and various stations are required to be switched by the various procedures, so that the production efficiency is low, and therefore, the portable safety hammers are designed for solving the problems. Disclosure of utility model Aiming at the defects of the existing safety hammer, the utility model aims to provide a portable safety hammer which has the advantages of being convenient to produce and assemble, improving the assembly efficiency and the like. The portable safety hammer comprises an outer shell, an inner shell, a blade, a thick spring, a thin spring, a crushing needle and an excitation base, wherein the outer shell is hollow and cylindrical, two ends of the inner side of the outer shell are respectively provided with an internal thread, one end of the inner shell is provided with a V-shaped cutting groove, the other end of the inner shell is connected with the excitation base in a sliding manner, one side outer edge of the inner shell corresponding to the excitation base is provided with an external thread, the inner part of the inner shell is also provided with a limiting seat, one end of the crushing needle is clamped in the limiting seat to slide in the limiting seat, the other end of the crushing needle is clamped in the excitation base to slide, the thick spring and the thin spring are sleeved on the outer edge of the crushing needle, and the thick spring and the thin spring are positioned between the excitation base and the limiting seat; Preferably, the crushing needle is further provided with a conical stop block, a limiting block and a sliding rod, the conical stop block is arranged in the middle of the crushing needle, the sliding rod is arranged at the tail part of the crushing needle and used for sliding in the limiting seat, and the tail part of the sliding rod is provided with the limiting block for preventing the sliding rod from falling out of the limiting seat; Preferably, the inner shell is provided with an upper shell and a lower shell which are buckled, the upper shell and the lower shell are fixed through screws after being buckled, embedded grooves are formed in the positions, corresponding to the fixed positions of the blades, of the upper shell and the lower shell, and sliding grooves are formed in the positions, corresponding to the excitation base, of the upper shell and the lower shell; preferably, the portable safety hammer is further provided with a buckling cover and a spiral cover, the buckling cover is buckled on one side of the outer shell body, which extends out of the breaking needle, and the spiral cover is screwed on one side of the outer shell body, which extends out of the blade; Preferably, the portable safety hammer is further provided with a fixing base for being fixed on a vehicle, the fixing base is provided with an adhesive flange and a U-shaped buckle, the U-shaped buckle is arranged on the top end face of the adhesive flange, and the U-shaped buckle is used for being clamped on the outer wall of the outer shell for fixing; Preferably, the outer shell is provided with an annular groove at one end opening outside and the other end opening inside, and the annular groove is used for installing a sealing ring; the utility model has the advantages that the whole assembly process only needs to fasten the inner shell by using the screw, the combination of the outer shell and the inner shell does not need to use ultrasonic welding, the time of station switching working procedures required by assembly is saved, and the production and the assembly are convenient, and the overall production efficiency is improved. Drawings FIG. 1 is an exploded view of the present utility model; fig. 2 is a front structural view of the present utility model. Detailed Description The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directi