CN214540222U

CN214540222U - Adjust stable laser torch that has cyclic annular control knob

Info

Publication number: CN214540222U
Application number: CN202120718219.0U
Authority: CN
Inventors: 欧建鑫; 周望喜
Original assignee: Wuhan Zhizhou Photoelectric Technology Co ltd
Current assignee: Wuhan Zhizhou Photoelectric Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-29
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to an adjust stable laser torch that has cyclic annular control knob relates to the field of aiming an assembly annex, and it includes the casing, be provided with main circuit board, laser instrument, power, magnetic control circuit board and illuminating part in the casing, be connected with the flashlight head on the casing, the magnetic control circuit board with the illuminating part sets up in the flashlight head, the flashlight head is overhead to rotate the cover outward be equipped with the magnetic control switch of magnetic control circuit board coupling connection, the laser instrument includes tail cylinder, first cylinder, luminescent tube core and collector lens, the tail cylinder with first cylinder threaded connection, the luminescent tube core is arranged in the tail cylinder, collector lens arranges in the first cylinder, first cylinder with be provided with elasticity between the tail cylinder and support tight mechanism. This application has and to support tight mechanism through elasticity and effectively eliminate the thread clearance between first section of thick bamboo and the tailspin, reduced the phenomenon that first section of thick bamboo rocked on the tailspin to the effect of the instruction precision of laser instrument has been ensured.

Description

Adjust stable laser torch that has cyclic annular control knob

Technical Field

The application relates to the field of sighting telescope assembly accessories, in particular to a laser flashlight with an annular control knob and stable adjustment.

Background

In the use of the sighting device, usually, a laser or a flashlight and other accessories are additionally arranged on the sighting device to enhance the accessory functions of the sighting device, in order to adapt to the harsh outdoor environment, most of the adopted flashlights are magnetic control flashlights, and the adopted flashlights are composed of a magnetic control circuit board provided with a Hall sensor, a magnetic control switch, a power supply and a light-emitting part, wherein the magnetic control switch generally comprises a control ring and a magnet embedded on the control ring, and at the moment, the control ring is rotated to change the relative position of the magnet and the Hall sensor in the use process, so that the light-emitting state of the light-emitting part can be adjusted.

The laser is characterized in that the laser is of various types according to the working principle, particularly, the laser is developed more mature by a semiconductor laser, and mainly comprises a shell, a light emitting tube core and a condensing lens, wherein pins on the light emitting tube core are connected with a circuit board to realize the control of the working state of the light emitting tube core, and the condensing lens focuses laser emitted by the light emitting tube core.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: at present, when a laser is packaged, according to different use requirements, the shell of the laser needs to be set to be adjustable so as to change the distance between the condensing lens and the light emitting tube core, but after assembly, the two-section shell is easy to shake, so that the condensing effect of the condensing lens is unstable, and the indication precision of the laser is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the mutual easy problem that takes place to rock and lead to condensing lens's spotlight effect unstable of two segmentations's shell, this application provides a adjust stable laser torch that has cyclic annular control knob.

The application provides an adjust stable laser torch that has cyclic annular control knob and adopt following technical scheme:

the utility model provides an adjust stable laser torch that has cyclic annular control knob, includes the casing, be provided with main circuit board, laser instrument, power, magnetic control circuit board and light-emitting component in the casing, be connected with the flashlight head on the casing, the magnetic control circuit board with the light-emitting component sets up in the flashlight head, the flashlight head is outer to rotate the cover be equipped with magnetic control circuit board coupling connection's magnetic control switch, the laser instrument includes tail cylinder, first cylinder, luminescent tube core and condensing lens, the tail cylinder with first cylinder threaded connection, the luminescent tube core is arranged in the tail cylinder, condensing lens arranges in the first cylinder, first cylinder with be provided with elasticity between the tail cylinder and support tight mechanism.

Through adopting above-mentioned technical scheme, the tail section of thick bamboo and first section of thick bamboo threaded connection to the interval is adjustable between the luminescent tube core in condensing lens in the first section of thick bamboo and the tail section of thick bamboo, be convenient for carry out the focus adjustment that the laser instrument sent laser, and elasticity supports tight mechanism and makes tail section of thick bamboo and first section of thick bamboo have the trend of keeping away from dorsad, can effectively eliminate the thread clearance between first section of thick bamboo and the tail section of thick bamboo, effectively avoided the phenomenon that the first section of thick bamboo rocked on the tail section of thick bamboo, guaranteed the stable spotlight effect of condensing lens in the first section of thick bamboo to the laser that the luminescent tube core sent as far as possible, ensured the instruction precision of laser instrument.

Optionally, the elastic abutting mechanism comprises an elastic piece arranged in the tail cylinder, the end part of the first cylinder is in threaded connection with the inner wall of the end part of the tail cylinder, the tail cylinder is far away from a positioning ring fixedly connected to the inner wall of one end of the first cylinder, and the elastic piece is arranged between the positioning ring and the end part of the first cylinder.

Through adopting above-mentioned technical scheme, the tip spiral shell of first section of thick bamboo is back in the tail section of thick bamboo, and elastic component one end is supported tightly at first section of thick bamboo tip, the other end supports tightly on the holding ring, can make first section of thick bamboo can fully support tightly on the tail section of thick bamboo through the elastic deformation power of elastic component, can effectively avoid the phenomenon of rocking of first section of thick bamboo on the tail section of thick bamboo.

Optionally, a mounting ring is fixedly connected to the inner wall of the first cylinder, the condensing lens is arranged on one side, close to the tail cylinder, of the mounting ring, the inner wall of the first cylinder is screwed with a mounting cylinder which is used for abutting against the condensing lens on the mounting ring, and a rotary groove which is convenient to rotate is formed in one end, far away from the mounting ring, of the mounting cylinder.

Through adopting above-mentioned technical scheme, can advance the inner wall of first section of thick bamboo with the installation section of thick bamboo spiral shell after inserting suitable instrument in the rotary trough to support condensing lens tightly on the collar, in order to realize the stable installation to condensing lens.

Optionally, one end of the elastic element abuts against the end of the mounting cylinder.

Through adopting above-mentioned technical scheme, the elastic deformation power of elastic component can effectively subduct the screw thread clearance between installation section of thick bamboo and the first section of thick bamboo to further effectively subduct the screw thread clearance between first section of thick bamboo and the tailboom, thereby guaranteed condensing lens's stability as far as possible.

Optionally, a positioning sleeve penetrates through a hollow portion of the positioning ring, the light emitting tube core is embedded in the positioning sleeve, and a positioning tube for abutting against and positioning the light emitting tube core is screwed in the tail tube.

Through adopting above-mentioned technical scheme, the position sleeve can effectively protect the luminescent tube core on the one hand, and on the other hand also can effectively fix a position the luminescent tube core, and the back in the tail section of thick bamboo spiral shell that fixes a position simultaneously can support the luminescent tube core tightly to the stability of luminescent tube core in the tail section of thick bamboo has been improved.

Optionally, the tail cylinder is far away from the one end rigid coupling of first cylinder has the bulb, it is right to be provided with in the casing be used for the bulb carries out the supporting piece of bearing location, it is right to be provided with on the casing be used for the first cylinder is far away from the aligning gear that the position of tail cylinder one end was adjusted.

By adopting the technical scheme, after the first barrel and the tail barrel are assembled, the ball head is supported and positioned by the supporting piece, namely the tail barrel is supported and positioned, and meanwhile, the ball head and the supporting piece form a spherical hinge joint, so that the whole laser axis of the laser can be adjusted by the calibrating mechanism; and the distance between the first barrel and the tail barrel is adjustable, so that the adjustment precision of the calibration mechanism to the whole laser axis of the laser can be correspondingly changed.

Optionally, the bearing piece includes two bearing rings that are sleeved on the outer wall of the ball head cambered surface, the two bearing rings are arranged in rows, the ball head is along the two axial ends of the tail cylinder, and a spherical cambered surface that is matched with the ball head outer cambered surface is arranged on one side of the bearing ring facing the ball head.

By adopting the technical scheme, the two bearing rings are respectively arranged at the two ends of the ball head, the ball head is clamped by the spherical arc surface on the two bearing rings, the ball head and the tail cylinder can be stably positioned, and the ball head can drive the tail cylinder to rotate on the two bearing rings.

Optionally, the aligning gear includes that the screw thread runs through the aligning bolt of the two adjacent outer walls of casing, two the aligning bolt be the quadrature setting and the free end with the first section of thick bamboo outer wall is contradicted, be provided with outer convex part in the casing with the reed that first section of thick bamboo outer wall is contradicted, the reed is located two on the central line of aligning bolt contained angle.

Through adopting above-mentioned technical scheme, be two calibration bolt that the quadrature set up and be located the reed on the two contained angle central line and can stabilize spacing to the first section of thick bamboo to the homoenergetic carries out effective adjustment to the position that the first section of thick bamboo was located when rotatory arbitrary calibration bolt, and then realizes sending the effective adjustment of laser axis to the laser instrument.

Optionally, the contact portions of the first cylinder, the spring plate and the calibration bolt are both arranged to be flat.

Through adopting above-mentioned technical scheme, can realize preventing changeing spacing of first section of thick bamboo after the plane contact of calibration bolt and reed and first section of thick bamboo, also increased the area of contact of first section of thick bamboo with calibration bolt and reed simultaneously for it is more stable when adjusting the laser axis.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the tail cylinder is in threaded connection with the first cylinder, the elastic abutting mechanism enables the tail cylinder and the first cylinder to have a trend of being away from each other in a back-to-back mode, so that a threaded gap between the first cylinder and the tail cylinder can be effectively eliminated, the phenomenon that the first cylinder shakes on the tail cylinder is effectively avoided, the stable light condensing effect of a condensing lens in the first cylinder on laser emitted by a light emitting tube core is ensured as much as possible, and the indicating precision of a laser is ensured;

2. the elastic piece is tightly propped between the mounting cylinder and the positioning ring, so that the thread clearance between the mounting cylinder and the first cylinder can be effectively reduced, and the thread clearance between the first cylinder and the tail cylinder can be effectively reduced, thereby ensuring the stability of the condensing lens during condensing as much as possible;

3. after the first barrel and the tail barrel are assembled, the ball head is supported and positioned by the supporting piece, namely the tail barrel is supported and positioned, and meanwhile, the ball head and the supporting piece form a spherical hinge joint, so that the adjustment of the whole laser axis of the laser by a calibration mechanism is facilitated; and the distance between the first barrel and the tail barrel is adjustable, so that the adjustment precision of the calibration mechanism to the whole laser axis of the laser can be correspondingly changed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

Reference numerals: 1. a housing; 2. a main circuit board; 3. a laser; 31. a tail cylinder; 311. a positioning ring; 312. a positioning sleeve; 313. a positioning cylinder; 32. a first barrel; 321. a mounting ring; 322. mounting the cylinder; 323. rotating the groove; 33. a light emitting die; 34. a condenser lens; 35. an elastic member; 36. a ball head; 37. a bearing ring; 371. a spherical arc surface; 38. calibrating the bolt; 39. a reed; 4. a power source; 51. a magnetic control circuit board; 52. a magnetic control switch; 6. a light emitting member; 7. an electric torch head.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a laser flashlight with an annular control knob and capable of being stably adjusted. Referring to fig. 1 and 2, the laser torch with the annular control knob and capable of being stably adjusted comprises a shell 1, a main circuit board 2, a laser 3, a power supply 4, a magnetic control circuit board 51 and a light emitting piece 6 are arranged in the shell 1, an torch head 7 is connected to the shell 1, the magnetic control circuit board 51 and the light emitting piece 6 are arranged in the torch head 7, a magnetic control switch 52 which is coupled with the magnetic control circuit board 51 is rotatably sleeved outside the torch head 7, specifically, the magnetic control switch 52 comprises a control ring which is rotatably sleeved on the torch head 7, and a magnet is embedded on the control ring.

Referring to fig. 2 and 3, the laser 3 includes a tail cylinder 31, a head cylinder 32, a light emitting die 33, and a condensing lens 34, the tail cylinder 31 is screwed to the head cylinder 32, specifically, an end of the head cylinder 32 is screwed to an inner wall of an end of the tail cylinder 31, the light emitting die 33 is disposed in the tail cylinder 31, and the condensing lens 34 is disposed in the head cylinder 32. The elastic abutting mechanism is arranged between the first barrel 32 and the tail barrel 31 and comprises an elastic part 35 arranged in the tail barrel 31, the elastic part 35 is arranged as a spring in the embodiment of the application, a positioning ring 311 is fixedly connected to the inner wall of one end, far away from the first barrel 32, of the tail barrel 31 in a coaxial mode, and the elastic part 35 is arranged between the positioning ring 311 and the end portion of the first barrel 32.

Therefore, after the first barrel 32 is installed in the tail barrel 31, the distance between the condensing lens 34 in the first barrel 32 and the light emitting tube core 33 in the tail barrel 31 can be adjusted by rotating the first barrel 32 on the tail barrel 31, and the focusing adjustment of the laser emitted by the laser 3 is facilitated. However, the first cylinder 32 is in threaded connection with the tail cylinder 31, a certain thread gap is formed between the first cylinder 32 and the tail cylinder 31, after the elastic piece 35 is arranged, the first cylinder 32 is in threaded connection with the tail cylinder 31, the first cylinder 32 pushes the elastic piece 35 and enables the elastic piece 35 to deform, when the first cylinder 32 stops rotating, the deformation force of the elastic piece 35 enables the tail cylinder 31 and the first cylinder 32 to have a tendency of being away from each other in a back direction, so that the thread gap between the first cylinder 32 and the tail cylinder 31 is effectively eliminated, the phenomenon that the first cylinder 32 shakes on the tail cylinder 31 is effectively avoided, the stable light condensation effect of the condensing lens 34 in the first cylinder 32 on laser emitted by the light emitting tube core 33 is ensured as much as possible, and the indication accuracy of the laser 3 is ensured.

In order to facilitate the assembly of the condenser lens 34 on the first barrel 32, an installation ring 321 is coaxially and fixedly connected to the inner wall of the first barrel 32, specifically, referring to fig. 2 and 3, the installation ring 321 is integrally formed with the first barrel 32, and the condenser lens 34 is disposed on one side of the installation ring 321 close to the tail barrel 31 and the arc-shaped peripheral wall of the condenser lens is attached to the inner wall of the first barrel 32. An installation cylinder 322 for tightly abutting against the condensing lens 34 on the installation ring 321 is screwed on the inner wall of the first cylinder 32, a rotating groove 323 convenient for rotating the installation cylinder 322 is formed in one end, far away from the installation ring 321, of the installation cylinder 322, and in the embodiment of the application, the rotating groove 323 is arranged to traverse the end part of the installation cylinder 322 and pass through the axis of the installation cylinder 322. After the first cylinder 32 with the installation cylinder 322 is screwed with the tail cylinder 31, the elastic element 35 is tightly pressed between the installation cylinder 322 and the positioning ring 311.

When the laser 3 is assembled, the condenser lens 34 is firstly installed to be attached to the installation ring 321, the installation barrel 322 is screwed on the inner wall of the first barrel 32 until the installation barrel 322 stably supports the condenser lens 34 on the installation ring 321, then the first barrel 32 is screwed into the inner wall of the tail barrel 31, at the moment, the elastic piece 35 is compressed and elastically supports the installation barrel 322, not only can the thread gap between the installation barrel 322 and the first barrel 32 be effectively reduced, but also the thread gap between the first barrel 32 and the tail barrel 31 is further effectively reduced, and therefore the stability of the condenser lens 34 is ensured as much as possible.

When assembling the laser 3, in order to ensure that the laser emitted by the light emitting tube core 33 is coaxial with the tail tube 31, the head tube 32 and the condensing lens 34, referring to fig. 2 and 3, a positioning sleeve 312 is arranged in a hollow part of the positioning ring 311 in a penetrating manner, the light emitting tube core 33 is embedded in the positioning sleeve 312, and a positioning tube 313 for abutting against and positioning the light emitting tube core 33 is arranged in the tail tube 31 and arranged in the middle of one end of the positioning sleeve 312 facing the head tube 32. The arrangement of the positioning sleeve 312 can effectively protect the light-emitting tube core 33 on one hand, and can also effectively position the light-emitting tube core 33 on the other hand, and meanwhile, after the positioning cylinder 313 is screwed into the tail cylinder 31, the light-emitting tube core 33 can be abutted tightly, so that the stability of the light-emitting tube core 33 in the tail cylinder 31 is improved, and meanwhile, the laser energy emitted by the light-emitting tube core 33 and the condensing lens 34 keep a stable coaxial relationship, so that the condensing effect of the laser 3 is better.

In a specific use environment of the laser 3, it is usually necessary to calibrate an axis of the laser emitted from the laser 3, and therefore, referring to fig. 2 and 3, a ball 36 is fixedly connected to one end of the tail cylinder 31 far away from the head cylinder 32, the ball 36 and the tail cylinder 31 are integrally formed, a support member for supporting and positioning the ball 36 is arranged in the housing 1, a calibration mechanism for adjusting a position of the head cylinder 32 far away from one end of the tail cylinder 31 is arranged on the housing 1, and the calibration mechanism is arranged at one end of the head cylinder 32 far away from the tail cylinder 31.

Establish laser instrument 3 into the two segmentations of tail section of thick bamboo 31 and first section of thick bamboo 32, compare in traditional integral type laser instrument 3, length is adjustable, arranges and the regulation mode is more nimble, will be used for the bulb 36 of bearing and be used for the calibration mechanism both ends of dividing laser instrument 3 of calibration simultaneously, can effectively improve the precision of calibration mechanism when calibration laser instrument 3 sends the laser axis.

Specifically, referring to fig. 2 and 3, the supporting member includes two supporting rings 37 sleeved on the outer wall of the arc surface of the ball head 36, and the supporting rings 37 may be made of polymer plastics with a low friction coefficient, such as polytetrafluoroethylene, polyethylene, etc., so that the calibration mechanism has a high responsiveness when calibrating the tail cylinder 31 and the head cylinder 32; the retainer ring 37 may also be made of rubber with a high coefficient of friction, which may provide a calibration mechanism with a high damping feel when calibrating the tail barrel 31 and the nose barrel 32. The two bearing rings 37 are respectively arranged at two ends of the ball head 36 along the axial direction of the tail cylinder 31, and a spherical arc surface 371 matched with the outer arc surface of the ball head 36 is arranged at one side of the bearing rings 37 facing the ball head 36.

Specifically, referring to fig. 1 and 2, the calibration mechanism includes two calibration bolts 38 threaded through two adjacent outer walls of the housing 1, the two calibration bolts 38 are orthogonally disposed, free ends of the two calibration bolts are abutted against the outer wall of the first barrel 32, a spring plate 39 is disposed in the housing 1, and an outer convex portion of the spring plate is abutted against the outer wall of the first barrel 32, and the spring plate 39 is located on a center line of an included angle between the two calibration bolts 38.

Therefore, when the axis of the laser emitted by the laser 3 is calibrated, a user only needs to rotate the corresponding calibration bolt 38, so that the position of one end, away from the tail cylinder 31, of the first cylinder 32 in the shell 1 is changed, meanwhile, the two bearing rings 37 bear the ball head 36 on the tail cylinder 31, the multi-directional free rotation of the ball head 36 can be realized, and the axis of the laser emitted by the laser 3 is more convenient and stable to calibrate.

To further improve the stability of the axis of the laser emitted by the calibration laser 3, with reference to fig. 2 and 3, the contact portions of the initial cylinder 32 with the spring 39 and the calibration bolt 38 are both arranged as flat surfaces. After the calibration bolt 38 and the reed 39 contact with the plane of the first cylinder 32, the first cylinder 32 can be limited and prevented from rotating, and meanwhile, the contact area between the first cylinder 32 and the calibration bolt 38 and the reed 39 is increased, so that the laser axis can be adjusted more stably.

The implementation principle of the laser flashlight with the annular control knob, which is stable in adjustment, in the embodiment of the application is as follows: after the first barrel 32 is installed in the tail barrel 31, the first barrel 32 pushes the elastic piece 35 to approach the tail barrel 31 and enable the elastic piece 35 to deform, when the first barrel 32 stops rotating, the deformation force of the elastic piece 35 enables the tail barrel 31 and the first barrel 32 to have a trend of being away from each other in a back direction, so that a thread gap between the first barrel 32 and the tail barrel 31 is effectively eliminated, the phenomenon that the first barrel 32 shakes on the tail barrel 31 is effectively avoided, the stable light condensation effect of the condensing lens 34 in the first barrel 32 on laser emitted by the light emitting tube core 33 is ensured as much as possible, and the indication accuracy of the laser 3 is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an adjust stable laser torch that has cyclic annular control knob, includes casing (1), be provided with main circuit board (2), laser instrument (3), power (4), magnetic control circuit board (51) and illuminating part (6) in casing (1), be connected with flashlight head (7) on casing (1), magnetic control circuit board (51) with illuminating part (6) set up in flashlight head (7), rotate the cover outward in flashlight head (7) be equipped with magnetic control switch (52) that magnetic control circuit board (51) coupling is connected, its characterized in that: the laser (3) comprises a tail cylinder (31), a first cylinder (32), a light-emitting tube core (33) and a condensing lens (34), the tail cylinder (31) is in threaded connection with the first cylinder (32), the light-emitting tube core (33) is arranged in the tail cylinder (31), the condensing lens (34) is arranged in the first cylinder (32), and an elastic abutting mechanism is arranged between the first cylinder (32) and the tail cylinder (31).

2. The laser torch with ring-shaped control knob for stable adjustment according to claim 1, wherein: elasticity supports tight mechanism including setting up elastic component (35) in tail section of thick bamboo (31), the tip of first section of thick bamboo (32) with the inner wall threaded connection of tail section of thick bamboo (31) tip, tail section of thick bamboo (31) are kept away from the one end inner wall rigid coupling of first section of thick bamboo (32) has holding ring (311), elastic component (35) set up holding ring (311) with between first section of thick bamboo (32) the tip.

3. 3-an adjustment-stable laser torch with ring-shaped control knob according to claim 2, characterized in that: the utility model discloses a condensing lens's mounting structure, including first section of thick bamboo (32), last rigid coupling of first section of thick bamboo (32) inner wall has collar (321), condensing lens (34) set up collar (321) are close to one side of tail section of thick bamboo (31), the spiro union has on first section of thick bamboo (32) inner wall is used for supporting tightly condensing lens (34) in installation section of thick bamboo (322) on collar (321), installation section of thick bamboo (322) are kept away from the one end of collar (321) is seted up and is convenient for rotate rotary trough (323) of installation section of thick bamboo (322).

4. 3-adjustable stabilized laser torch with ring-shaped control knob according to claim 3, characterized in that: one end of the elastic piece (35) is tightly propped against the end part of the mounting cylinder (322).

5. 3-an adjustment-stable laser torch with ring-shaped control knob according to claim 2, characterized in that: a positioning sleeve (312) penetrates through the hollow part of the positioning ring (311), the light-emitting tube core (33) is embedded in the positioning sleeve (312), and a positioning tube (313) used for abutting against and positioning the light-emitting tube core (33) is screwed in the tail tube (31).

6. The laser torch with ring-shaped control knob for stable adjustment according to claim 1, wherein: the tail cylinder (31) is far away from the one end rigid coupling of first cylinder (32) has bulb (36), it is right to be provided with in casing (1) be used for bulb (36) carry out the supporting piece of bearing location, it is right to be provided with on casing (1) first cylinder (32) are kept away from the position of tail cylinder (31) one end carries out the alignment mechanism who adjusts.

7. The laser torch with ring-shaped control knob for adjusting stability of claim 6, wherein: the supporting piece comprises two supporting rings (37) arranged on the outer wall of the cambered surface of the ball head (36) in a sleeved mode, the supporting rings (37) are arranged in rows, the ball head (36) is arranged along the two axial ends of the tail cylinder (31), the supporting rings (37) face towards one side of the ball head (36) and are provided with spherical cambered surfaces (371) matched with the outer cambered surfaces of the ball head (36).

8. The laser torch with ring-shaped control knob for adjusting stability of claim 6, wherein: the aligning gear includes that the screw thread runs through aligning bolt (38) of two adjacent outer walls of casing (1), two aligning bolt (38) be the quadrature setting and free end with first section of thick bamboo (32) outer wall is contradicted, be provided with outer convex part in casing (1) with reed (39) that first section of thick bamboo (32) outer wall is contradicted, reed (39) are located two on the midline of aligning bolt (38) contained angle.

9. The laser torch with ring-shaped control knob of claim 8, wherein: the contact parts of the first barrel (32), the spring plate (39) and the calibration bolt (38) are arranged to be flat.