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CN-224230980-U - Laser graticule instrument

CN224230980UCN 224230980 UCN224230980 UCN 224230980UCN-224230980-U

Abstract

The application relates to a laser marking instrument which comprises a shell, a pushing piece, a fixed needle, a movable piece and a movable piece, wherein the shell is provided with a containing cavity, the pushing piece is arranged in the shell and moves back and forth along the first direction, the pushing piece is arranged in the containing cavity and moves back and forth along the first direction, the fixed needle is arranged at a position corresponding to the second end of the fixed needle, the fixed needle moves back and forth between a first position and a second position, the fixed needle is arranged at the first position, the second end is arranged in the containing cavity or the through hole, the second end penetrates through the through hole and is arranged outside the shell, the movable piece is arranged at the first position, the movable piece is arranged at a third position limiting the second end to penetrate through the through hole, and the movable piece is arranged at a fourth position, and the fixed needle can move from the first position to the second position. Even if the pushing piece is touched by mistake, the second end of the fixed needle cannot be penetrated out of the perforation, so that the second end of the fixed needle is prevented from injuring operators or damaging the surface of a detection wall body or an object, and the laser marking instrument is safer and more reliable.

Inventors

  • FU YIPING

Assignees

  • 杭州华达科捷光电仪器有限公司

Dates

Publication Date
20260512
Application Date
20250523

Claims (10)

  1. 1. A laser reticle, comprising: the shell is internally provided with a containing cavity; a pushing member provided to the housing and arranged to be movable back and forth in a first direction; The fixed needle is arranged in the containing cavity and extends along the first direction, the first end of the fixed needle is connected with the pushing piece, the shell is provided with a through hole at a position corresponding to the second end of the fixed needle, the fixed needle moves back and forth between a first position and a second position along the first direction under the action of the pushing piece, the fixed needle is positioned at the first position, the second end is positioned in the containing cavity or the through hole, and the fixed needle is positioned at the second position, and the second end penetrates out of the through hole and is positioned outside the shell; A movable member provided on the housing, the movable member being arranged to be movable back and forth along a second direction, the second direction being at an angle to the first direction, between a third position in which the fixed needle is in the first position, the movable member being in the third position in which the second end is restricted from passing out of the through hole, and a fourth position in which the fixed needle is movable from the first position to the second position.
  2. 2. The laser striping machine of claim 1, wherein the pusher member includes a stop portion disposed beside the fixed needle, the stop portion being disposed within the cavity, the wall of the housing having the aperture defined therein as a first wall, and wherein the moveable member is in the third position with a portion of the moveable member disposed between the stop portion and the first wall.
  3. 3. The laser striping machine of claim 2, wherein the pushing member comprises a pushing portion, the first end of the fixing pin is connected to the pushing portion, the housing is provided with a mounting hole for mounting the pushing portion, and the limiting portion is connected to the pushing portion and is at least partially located on a peripheral side of the pushing portion so as to limit the pushing portion from being separated from the mounting hole.
  4. 4. The laser striping machine as claimed in claim 3, wherein the mounting hole has a circumferential edge extending in the first direction into the cavity to form a circular convex wall, and the stopper is located between the convex wall and the first wall plate.
  5. 5. The laser striping machine of claim 3, wherein at least two of the limit portions are disposed at intervals along a circumferential direction of the pushing portion.
  6. 6. The laser striping machine of claim 5, wherein the movable member is provided with a relief opening through which the fixing needle passes, the relief opening extending in the second direction, the fixing needle being in the second position, the limiting portion being located in the relief opening, the fixing needle being in the first position, the limiting portion being located on a side of the relief opening facing away from the first wall plate.
  7. 7. The laser striping machine of claim 2, wherein the movable member is provided with a projection projecting from a side thereof facing away from the first wall plate, and wherein the limiting portion and the projection are sequentially arranged along the first direction in the third position of the movable member, and wherein the limiting portion is capable of abutting against a first face of the projection, the first face of the projection being directed toward the limiting portion.
  8. 8. The laser striping machine of claim 7, wherein the third position is outside of the fourth position, and wherein the stop is outside of the projection in the second direction when the moveable member is in the fourth position.
  9. 9. The laser striping machine of claim 8, wherein a first resilient member is disposed within the cavity and acts on the moveable member, the first resilient member causing the moveable member to always have a tendency to move outwardly in the second direction.
  10. 10. The laser striping machine of any one of claims 1 to 9, wherein a second resilient member acting on the pusher member is disposed within the receptacle, the second resilient member causing the pusher member to always have a tendency to move in a direction away from the bore along the first direction.

Description

Laser graticule instrument Technical Field The application relates to the technical field of laser marking, in particular to a laser marking instrument. Background The laser striping machine is also called laser striping machine, and is widely used in engineering measurement and indoor decoration. Currently, a laser graticule is usually hung on a wall, and the laser graticule is unstable and is inaccurate. For this reason, it is necessary to fix the laser marker to the wall surface or the surface of the object to be inspected. Currently, a pin is usually inserted into a wall surface or the surface of an object to be detected to fix the pin. However, if the pin is triggered by mistake, operators can be accidentally injured, or the detected wall or the surface of an object can be damaged. Disclosure of utility model Based on this, it is necessary to provide a safe and reliable laser detector. The application provides a laser marking instrument which comprises a shell, a pushing piece, a fixed needle, a movable piece and a movable piece, wherein the shell is provided with a cavity, the pushing piece is arranged in the shell and can move back and forth along a first direction, the fixed needle is arranged in the cavity and extends along the first direction, a first end of the fixed needle is connected with the pushing piece, the shell is provided with a through hole at a position corresponding to a second end of the fixed needle, the fixed needle moves back and forth between a first position and a second position along the first direction under the action of the pushing piece, the fixed needle is located at the first position, the second end is located in the cavity or the through hole, the fixed needle is located at the second position, the second end penetrates out of the through hole and is located outside the shell, the movable piece is arranged on the shell and can move back and forth between a third position and forth along a second direction and a fourth position, the second direction is in an angle with the first direction, the fixed needle is located at the first position, the second end is located at the second position, and the movable piece is located at the fourth position, and can move from the first position to the second position, and the movable piece is located at the fourth position. In one embodiment, the pushing member includes a limiting portion disposed beside the fixed needle, the limiting portion is disposed in the accommodating cavity, the wall plate provided with the through hole on the housing is defined as a first wall plate, and the movable member is disposed at the third position, and a portion of the movable member is disposed between the limiting portion and the first wall plate. In one embodiment, the pushing member includes a pushing portion, the first end of the fixing needle is connected with the pushing portion, the housing is provided with a mounting hole for mounting the pushing portion, and the limiting portion is connected with the pushing portion and is at least partially located at a peripheral side of the pushing portion so as to limit the pushing portion from falling out of the mounting hole. In one embodiment, the periphery of the mounting hole extends along the first direction towards the inside of the accommodating cavity to form an annular convex wall, and the limiting part is located between the convex wall and the first wall plate. In one embodiment, the limit parts are at least two and are arranged at intervals along the circumferential direction of the pushing part. In one embodiment, the movable member is provided with an avoidance opening through which the fixed needle passes, the avoidance opening extends along the second direction, the fixed needle is located at the second position, the limiting part is located in the avoidance opening, the fixed needle is located at the first position, and the limiting part is located at one side of the avoidance opening away from the first wall plate. In one embodiment, the movable member is provided with a protruding portion protruding from one side of the first wall plate, the movable member is located at the third position, the limiting portion and the protruding portion are sequentially arranged along the first direction, the limiting portion can abut against the first face of the protruding portion, and the first face of the protruding portion faces the limiting portion. In one embodiment, the third position is located outside the fourth position, and the limiting portion is located outside the protruding portion along the second direction when the movable member is located at the fourth position. In one embodiment, a first elastic member acting on the movable member is further disposed in the cavity, and the first elastic member enables the movable member to always have a tendency to move outwards along the second direction. In one embodiment, a second elastic member acting on the pushing member is arranged in th