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CN-224223819-U - Safety electric hammer electricity measuring structure

CN224223819UCN 224223819 UCN224223819 UCN 224223819UCN-224223819-U

Abstract

The application relates to a safety electric hammer electricity measuring structure, which relates to the technical field of electricity measuring safety and comprises an ionization tube, a resistor, a conducting plate, a contact assembly and an impact head, wherein a part of the ionization tube is exposed outside an electric hammer, gas capable of emitting light through ionization is filled in the ionization tube, the resistor is arranged inside the electric hammer and is coupled with the ionization tube, the conducting plate is slidably clamped on a shell of the electric hammer and is used for contacting a human body to conduct electricity, the contact assembly is electrically connected with the resistor, the conducting plate is movably abutted with the contact assembly, the electric hammer further comprises the impact head which is used for operation and is made of conductive materials, and the impact head is connected with an electricity measuring conducting mechanism coupled with the ionization tube. The application has the effect of detecting the current of the impact head of the electric hammer in real time in the working process and in a normal state of the electric hammer, thereby reducing the risk of accidental electric shock of workers during operation.

Inventors

  • BAO JIANQIANG
  • XU NAIJUN
  • Pu Xingnan
  • ZHOU JI
  • LIN BIN

Assignees

  • 宁波市金泽机电科技有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (8)

  1. 1. A safety electric hammer electricity measuring structure is characterized by comprising The ionization tube is partially exposed outside the electric hammer, and the ionization tube is filled with gas capable of emitting light through ionization; the resistor is arranged in the electric hammer and is coupled with the ionization tube; The conductive sheet (1) is slidably clamped on the electric hammer shell and is used for contacting a human body to conduct a circuit; The contact assembly (2), the said contact assembly (2) is connected with resistance electricity, the said conducting strip (1) and said contact assembly (2) move about and abut; The electric hammer further comprises an impact head (3) which is used for operation and made of conductive materials, and the impact head (3) is connected with an electricity measuring and conducting mechanism (5) which is coupled with the ionization tube.
  2. 2. The safety electric hammer electricity measuring structure according to claim 1, wherein the electricity measuring conduction mechanism (5) comprises a fixed ring (51) installed in an electric hammer, a movable ring (52) rotatably connected to the outer side of the fixed ring (51) and a plurality of conductive pulling pieces (53) circumferentially connected to the inner ring of the movable ring (52), an electric ring (54) coupled with an ionization tube is embedded in the movable ring (52), one ends of the conductive pulling pieces (53) in the same direction are abutted to the electric ring (54), the conductive pulling pieces (53) have bending elasticity, an insulating spring (55) is connected between the conductive pulling pieces and the movable ring (52), and through holes (511) for enabling one ends of the conductive pulling pieces (53) far away from the movable ring (52) to penetrate are formed in the fixed ring (51).
  3. 3. The safety hammer electricity measuring structure according to claim 2, wherein the length of the conductive pulling piece (53) is larger than that of the through hole (511), when the conductive pulling piece (53) is opposite to the through hole (511), the middle part of the conductive pulling piece (53) penetrates out of the through hole (511) to the inner side of the fixed ring (51), a convex ring (56) is fixedly sleeved on the impact head (3), and when the middle part of the conductive pulling piece (53) penetrates out of the through hole (511), the convex ring (56) and the conductive pulling piece (53) are mutually abutted.
  4. 4. The safety electric hammer electricity measuring structure according to claim 2, wherein the electric hammer is provided with a rotation limiting assembly (6) enabling the movable ring (52) to rotate for a set angle once, the electric hammer comprises a plurality of mounting holes (61) formed in an electric hammer shell along the circumferential direction and a plurality of clamping blocks (62) respectively arranged in the mounting holes (61) in a sliding mode, limiting springs (63) are connected between the clamping blocks (62) and the bottom sides of the mounting holes (61), limiting ring grooves (64) are formed in the movable ring (52) penetrating out of the electric hammer shell in a separated mode, and a plurality of limiting holes (641) for clamping and matching of the clamping blocks (62) are formed in the side wall of the limiting ring grooves (64) along the circumferential direction.
  5. 5. The safety electric hammer electricity measuring structure according to claim 4, wherein anti-skid threads (521) are circumferentially distributed on the outer side of the movable ring (52).
  6. 6. The safety electric hammer electricity measuring structure according to claim 1, wherein the contact assembly (2) comprises a contact seat (21) arranged in an electric hammer, a first conductive block (22) arranged on the contact seat (21) and a contact plate (23) integrally connected to the conductive sheet (1), the first conductive block (22) is electrically connected with a resistor, one side of the contact plate (23) is conductive, when the conductive sheet (1) is pressed, the first conductive block (22) is abutted to one conductive side of the contact plate (23), and a reset spring for resetting the conductive sheet (1) is arranged on the electric hammer shell.
  7. 7. The structure of claim 6, wherein the contact base (21) is provided with a sliding groove (211), the first conductive block (22) is arranged at one end of the sliding groove (211), the second conductive block (25) is slidably arranged at the other end of the sliding groove (211), a compression spring II (251) is connected between the second conductive block (25) and the side wall of the sliding groove (211), the second conductive block (25) is coupled with the electrical measurement conductive mechanism (5), when the conductive sheet (1) is not stressed, the second conductive block (25) is mutually abutted with the first conductive block (22), the contact plate (23) is always positioned between the first conductive block (22) and the second conductive block (25) along the extending direction of the sliding groove (211), and an insulating layer (24) is paved on one side of the contact plate (23) away from the first conductive block (22).
  8. 8. The safety electric hammer electricity measuring structure according to claim 7, wherein the electric hammer comprises a holding rod (4), and the conducting plate (1) is arranged on the holding rod (4).

Description

Safety electric hammer electricity measuring structure Technical Field The application relates to the field of electricity measurement safety technology, in particular to a safety electric hammer electricity measurement structure. Background The electric hammer is an electric tool combining rotary drilling and pneumatic hammering mechanisms, and the electric tool drives a piston to compress gas through a motor to generate high-frequency impact force to drive a drill bit to operate. The name of the drilling machine is derived from the working principle similar to manual hammering action, and the drilling machine is mainly suitable for drilling hard materials such as concrete, masonry, floor slabs and the like. The electric hammer drives the piston to reciprocate in the cylinder through the motor, compressed air forms periodic pressure change, and the hammer is pushed to strike the top of the drill bit at high frequency, so that double actions of rotation and vertical impact are realized. In the process of using an electric hammer to operate, the condition that cables in a wall are densely distributed and cannot be detected is often encountered. In this case, once the hammer contacts the live cable, and the operator accidentally contacts the conductive structure on the hammer, an electric shock hazard occurs. Therefore, there is a need for a structure that can detect current to help an operator judge whether or not there is current on it, improving operation safety. Disclosure of utility model In order to improve the structure of the electric hammer in the prior art, so that the electric hammer can detect current during working and avoid electric shock danger, the application provides a safe electric hammer electricity measuring structure. The application provides a safety electric hammer electricity measuring structure which adopts the following technical scheme: A safety electric hammer electricity measuring structure comprises The ionization tube is partially exposed outside the electric hammer, and the ionization tube is filled with gas capable of emitting light through ionization; the resistor is arranged in the electric hammer and is coupled with the ionization tube; the conductive sheet is slidably clamped on the electric hammer shell and is used for contacting a human body to conduct a circuit; The contact assembly is electrically connected with the resistor, and the conducting plate is movably abutted with the contact assembly; The electric hammer also comprises an impact head which is used for operation and made of conductive materials, and the impact head is connected with an electricity measuring conduction mechanism which is coupled with the ionization tube. Optionally, survey electric conduction mechanism including install in the electric hammer decide the ring, rotate connect in decide the moving ring in the outside of ring and a plurality of along circumference connect in moving ring inner ring's electric ring, moving ring embedded be equipped with ionization tube coupling's electric ring, a plurality of electric conduction plectrum along the one end of same direction all with electric ring butt, electric conduction plectrum have crooked elasticity, and with be connected with insulating spring between the moving ring, it supplies to run through on the ring to lead the plectrum to keep away from moving ring one end wearing out the through-hole. Optionally, the conductive plectrum length is greater than the through-hole length, and when the conductive plectrum just is right the through-hole, conductive plectrum middle part is worn out the through-hole is to the inboard of ring is decided, fixed cover is equipped with the bulge loop on the impact head, when conductive plectrum middle part is worn out the through-hole, the bulge loop with the mutual butt of conductive plectrum. Optionally, be provided with on the electric hammer and make the single rotation of rotating ring fixed angle's rotation spacing subassembly, including a plurality of along circumference offer in the mounting hole on the electric hammer shell and a plurality of respectively slide set up in fixture block in the mounting hole, the fixture block with be connected with spacing spring between the mounting hole bottom side, the rotating ring wears out the electric hammer shell portion and separately is equipped with spacing annular, a plurality of confession have been offered along circumference on the spacing annular lateral wall fixture block joint complex spacing hole. Optionally, anti-skid patterns are distributed on the outer side of the movable ring along the circumferential direction. Optionally, the contact assembly includes set up in the inside contact seat of electric hammer, set up in conducting shoe on the contact seat and an organic whole connect in contact plate on the conducting strip, conducting shoe one and resistance electric connection, contact plate one side is electrically conductive, when the conducting stri