阅读说明：本技术 一种三维扫描仪的易拆卸扫描头 (Quick detachable scanning head of three-dimensional scanner ) 是由 潘小然 于 2021-07-27 设计创作，主要内容包括：本发明涉及三维扫描仪设备技术领域,具体为一种三维扫描仪的易拆卸扫描头,转动座、齿条、旋转部、拉动组件和伸缩部,转动座的中间轴承连接有转轴,转轴的前端设置有主齿轮,主齿轮的下端啮合连接有齿条,齿条的下端设置有两个旋转部,旋转部的下端的两侧设置有移动块,移动块的后端中间固定有移动杆,移动杆滑动连接在转动座的外侧面开设的活动槽中,旋转部的外侧端中间固定的固定柱上均铰接有旋转杆,两个旋转杆相互交错的下端铰接在拉动组件的上端,方便伸缩部的两端能够进行旋转,同时拉动组件方便旋转部向下移动,从而方便对齿条进行更换。(The invention relates to the technical field of three-dimensional scanner equipment, in particular to an easily-detachable scanning head of a three-dimensional scanner, which comprises a rotating seat, a rack, rotating parts, a pulling assembly and a telescopic part, wherein a rotating shaft is connected to a middle bearing of the rotating seat, a main gear is arranged at the front end of the rotating shaft, the rack is meshed and connected to the lower end of the main gear, two rotating parts are arranged at the lower end of the rack, moving blocks are arranged on two sides of the lower end of each rotating part, a moving rod is fixed in the middle of the rear end of each moving block, the moving rods are slidably connected into a movable groove formed in the outer side surface of the rotating seat, rotating rods are hinged to fixed columns fixed in the middle of the outer side end of each rotating part, the lower ends of the two rotating rods, which are staggered with each other, are hinged to the upper end of the pulling assembly, the two ends of the telescopic part can rotate conveniently, and the pulling assembly facilitates the downward movement of the rotating parts, so that the rack can be conveniently replaced.)

1. The utility model provides a quick detachable scanning head of three-dimensional scanner rotates seat, rack, rotating part, pulling subassembly and pars contractilis, and the intermediate bearing who rotates the seat is connected with the pivot, and the front end of pivot is provided with the master gear, and the lower extreme meshing of master gear is connected with rack, its characterized in that:

the lower end of the rack is provided with two rotating parts which are clamped on the front side and the rear side of the lower end of the rack, the upper end of the rotating part is provided with an arc-shaped groove, the groove is clamped on the outer side of an arc-shaped bulge arranged on the lower surface of the rack, two sides of the lower end of the rotating part are provided with limiting blocks, a moving block is arranged between the two limiting blocks, a moving rod is fixed in the middle of the rear end of the moving block,

the carriage release lever sliding connection all articulates on the fixed column of fixed in the middle of the outside end of rotating part in the movable groove that the lateral surface of rotating seat was seted up, and two lower extremes that the rotary rod is crisscross each other articulate in the upper end of pulling subassembly, and the medial extremity joint of pulling subassembly is provided with the pars contractilis between two lower extremes of rack in the draw-in groove of seting up in the middle of the movable groove, and the both ends tip of pars contractilis articulates there is the centre gripping subassembly, and the centre gripping subassembly joint is in the fixed slot that the side of rack was seted up.

2. The detachable scanning head of the three-dimensional scanner according to claim 1, wherein: the outer side end of the limiting block is in an upward-tilting arc shape, the thickness of the inner side end of the limiting block is smaller than that of the outer side end, the shape of the inner side section of the limiting block is consistent with that of the section of the moving block, and the limiting block is fixed on the outer side face of the rotating seat.

3. The detachable scanning head of the three-dimensional scanner according to claim 1, wherein: the cross-section of carriage release lever is the U font, and the upper end of carriage release lever is fixed in the centre of the trailing flank of movable block, and the inboard side of the lower extreme of carriage release lever is personally submitted circularly, is provided with the shell fragment between the lower surface of carriage release lever and the lower extreme tank bottom of activity groove, and the rear end sliding connection of two rotating parts is in the spout of two stopper and movable block concatenation.

4. The detachable scanning head of the three-dimensional scanner according to claim 1, wherein: the cross-section of activity groove is the U font, and two upper and lower open-ended widths of activity groove are greater than the width of two tip of carriage release lever, and square draw-in groove has been seted up to equidistance in the middle of two open-ended outside in activity groove, and the tank bottom and the activity groove of draw-in groove communicate with each other.

5. The detachable scanning head of the three-dimensional scanner according to claim 1, wherein: the pulling assembly comprises a pulling rod, a cylinder, a fixed sleeve and a clamping block, a notch is formed in the middle of the upper end of the pulling rod, the width of the notch is larger than the width of the two rotary rods, the pulling rod is fixed on the inner side of the notch, and the round holes formed in the lower ends of the two rotary rods are all sleeved on the pulling rod.

6. The detachable scanning head of the three-dimensional scanner as claimed in claim 5, wherein: the lower extreme of the medial surface of pulling pole is fixed with square fixed cover, and the medial extremity of fixed cover is provided with square inner chamber, and the tank bottom of inner chamber is fixed with the spring, and the outside end of spring is fixed with the fixture block, and the outside end joint of fixture block is in the inner chamber, and the cross-section of fixture block is the T font, and the medial extremity of fixture block is convex, and the medial extremity joint of fixture block is in the draw-in groove.

7. The detachable scanning head of the three-dimensional scanner according to claim 1, wherein: the centre gripping subassembly includes two splint, round bar and dead lever, and the cross-section of splint is the S font, and the outside end joint of splint is in the fixed slot, and the medial extremity of splint sticks up to the outside, and the convex medial extremity that two splint are close to each other all is fixed with the fixed block that staggers each other, and the tip of fixed block is curved triangle-shaped, and the centre of fixed block has seted up the round hole.

8. The detachable scanning head of the three-dimensional scanner according to claim 7, wherein: two the centre of fixed block is run through there is the round bar, and the winding has the torsional spring on the round bar, and the medial surface at the medial surface of the medial extremity of splint is supported at the both ends of torsional spring, and the centre of the medial extremity of two splint articulates on the fixed arc dead lever of the outside end of pars contractilis.

Technical Field

The invention relates to the technical field of three-dimensional scanner equipment, in particular to a quick detachable scanning head of a three-dimensional scanner.

Background

The scanning head of the existing three-dimensional scanner usually performs gear and rack transmission when rotating scanning, the rack with changeable radial size is easy to deform and cannot be restored in the bending process, so that the work of the scanner is influenced, the rack cannot rotate along with the rotation of the gear, meanwhile, the precision of the scanner is influenced after the rack is aged, and the clean rack needs to be replaced.

Disclosure of Invention

The present invention is directed to a detachable scanning head of a three-dimensional scanner, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an easily detachable scanning head of a three-dimensional scanner comprises a rotating seat, a rack, rotating parts, a pulling assembly and a telescopic part, wherein a middle bearing of the rotating seat is connected with a rotating shaft, the front end of the rotating shaft is provided with a main gear, the lower end of the main gear is meshed and connected with the rack, the lower end of the rack is provided with two rotating parts, the rotating parts are clamped on the front side and the rear side of the lower end of the rack, the upper end of the rotating part is provided with an arc groove, the groove is clamped on the outer side of an arc bulge arranged on the lower surface of the rack, two sides of the lower end of the rotating part are provided with limit blocks, a moving block is arranged between the two limit blocks, a moving rod is fixed in the middle of the rear end of the moving block, the moving rod is slidably connected in a movable groove arranged on the outer side surface of the rotating seat, rotating rods are hinged on fixed columns fixed in the middle of the outer side ends of the rotating parts, and the lower ends, which are mutually staggered, are hinged on the upper end of the pulling assembly, the inner side end of the pulling assembly is clamped in a clamping groove formed in the middle of the movable groove, a telescopic portion is arranged between the two lower ends of the rack, the end portions of the two ends of the telescopic portion are hinged with clamping assemblies, and the clamping assemblies are clamped in fixed grooves formed in the side ends of the rack.

Preferably, the outer side end of the limiting block is in the shape of an upward-tilting arc, the thickness of the inner side end of the limiting block is smaller than that of the outer side end, the section of the inner side of the limiting block is consistent with that of the moving block, and the limiting block is fixed on the outer side surface of the rotating seat.

Preferably, the cross-section of the moving rod is U-shaped, the upper end of the moving rod is fixed in the middle of the rear side face of the moving block, the inner side face of the lower end of the moving rod is arc-shaped, an elastic sheet is arranged between the lower surface of the moving rod and the bottom of the lower end groove of the movable groove, and the rear ends of the two rotating parts are slidably connected in sliding grooves formed by splicing the two limiting blocks and the moving block.

Preferably, the cross-section of the movable groove is U-shaped, the widths of the upper opening and the lower opening of the movable groove are larger than the widths of the two ends of the movable rod, square clamping grooves are formed in the middle of the outer sides of the two openings of the movable groove at equal intervals, and the groove bottom of each clamping groove is communicated with the movable groove.

Preferably, the pulling assembly comprises a pulling rod, a cylinder, a fixed sleeve and a clamping block, a notch is formed in the middle of the upper end of the pulling rod, the width of the notch is larger than the width of the two rotary rods, the pulling rod is fixed on the inner side of the notch, and the round holes formed in the lower ends of the two rotary rods are all sleeved on the pulling rod.

Preferably, the lower extreme of the medial surface of pulling pole is fixed with square fixed cover, and the medial extremity of fixed cover is provided with square inner chamber, and the tank bottom of inner chamber is fixed with the spring, and the outside end of spring is fixed with the fixture block, and the outside end joint of fixture block is in the inner chamber, and the cross-section of fixture block is the T font, and the medial extremity of fixture block is convex, and the medial extremity joint of fixture block is in the draw-in groove.

Preferably, the centre gripping subassembly includes two splint, round bar and dead lever, and the cross-section of splint is the S font, and the outside end joint of splint is in the fixed slot, and the inboard end of splint sticks up to the outside, and two convex medial extremes that splint are close to each other all are fixed with the fixed block that staggers each other, and the tip of fixed block is curved triangle-shaped, and the round hole has been seted up to the centre of fixed block.

Preferably, two the centre of fixed block is run through there is the round bar, and the winding has the torsional spring on the round bar, and the medial surface at the medial surface of the medial extremity of splint is supported at the both ends of torsional spring, and the centre of the medial extremity of two splint articulates on the fixed arc dead lever of the outside end of pars contractilis.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the rack and the telescopic part of the quick detachable scanning head of the three-dimensional scanner are connected through the clamping assembly, so that two ends of the telescopic part can rotate conveniently, and meanwhile, the pulling assembly arranged at the lower end of the rotating part facilitates the downward movement of the rotating part, so that the rack is convenient to replace;

2. the two ends of the telescopic part of the easily detachable scanning head of the three-dimensional scanner are hinged with the clamping assemblies, the two ends of the rack can be fixed at the two ends of the telescopic part by pressing the two clamping plates, and meanwhile, when the radial size of the rack is changed conveniently, the two ends of the telescopic part can rotate, so that the damage of a connecting part is prevented;

3. the lower end of the rotating part in the quick detachable scanning head of the three-dimensional scanner is hinged with the pulling assembly through the rotating rod, so that the distance between the two rotating parts is convenient to change through the pulling assembly, the rotating parts are convenient to always abut against the lower end of the rack, meanwhile, the pulling assembly is convenient to move downwards, the rotating parts can conveniently move along with the moving block moving downwards, and the rack can be conveniently detached.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a three-dimensional view of the present invention;

FIG. 5 is a cut-away three-dimensional view of the present invention;

FIG. 6 is an exploded three-dimensional view of a rack and a single stop assembly in accordance with the present invention;

fig. 7 is an exploded three-dimensional view of the pulling assembly and travel bar of the present invention.

In the figure: 1. a rotating seat; 11. a rotating shaft; 12. a main gear; 13. a movable groove; 14. a card slot; 15. a limiting block; 16. a moving block; 17. a travel bar; 18. a spring plate; 2. a rack; 21. fixing grooves; 3. a rotating part; 31. fixing a column; 32. rotating the rod; 4. a pulling assembly; 41. pulling a rod; 42. a cylinder; 43. fixing a sleeve; 44. a clamping block; 45. a spring; 5. a telescopic part; 6. a clamping assembly; 61. a splint; 62. a fixed block; 63. a torsion spring; 64. a round bar; 65. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: a quick detachable scanning head of a three-dimensional scanner, a rotating base 1, a rack 2, a rotating part 3, a pulling component 4 and a telescopic part 5, wherein a rotating shaft 11 is connected with an intermediate bearing of the rotating base 1, a main gear 12 is arranged at the front end of the rotating shaft 11, the rack 2 is meshed and connected with the lower end of the main gear 12, two rotating parts 3 are arranged at the lower end of the rack 2, the rotating parts 3 are clamped at the front side and the rear side of the rack 2, an arc-shaped groove is arranged at the upper end of the rotating part 3, the groove is clamped at the outer side of an arc-shaped bulge arranged at the lower surface of the rack 2, the rack 2 is conveniently supported at the lower end of the main gear 12, meanwhile, the rack 2 is not influenced to move along with the rotation of the main gear 12, limiting blocks 15 are arranged at the two sides of the lower end of the rotating part 3, a moving block 16 is arranged between the two limiting blocks 15, the rear ends of the two rotating parts 3 are slidably connected in sliding chutes spliced by the two limiting blocks 15 and the moving block 16, the rotating part 3 is limited to move on two limit blocks 15 and a moving block 16, the outer side end of each limit block 15 is in an upward-tilted arc shape to prevent the rotating part 3 from sliding off, the thickness of the inner side end of each limit block 15 is smaller than that of the outer side end, the rotating part 3 is conveniently clamped at the upper end of each limit block 15, the inner side section of each limit block 15 is consistent with that of the corresponding moving block 16, each limit block 15 is fixed on the outer side surface of the corresponding rotating seat 1, a moving rod 17 is fixed in the middle of the rear end of each moving block 16, the section of each moving rod 17 is in a U shape, the upper end of each moving rod 17 is fixed in the middle of the rear side surface of each moving block 16, the inner side of the lower end of each moving rod 17 is in an arc shape, each moving rod 17 is slidably connected in a movable groove 13 formed in the outer side surface of the corresponding rotating seat 1, an elastic sheet 18 is arranged between the lower surface of each moving rod 17 and the bottom of the lower end groove of each movable groove 13, and the movable blocks 16 can be conveniently abutted by the elastic sheets 18 through the moving rods 17, the cross-section of activity groove 13 is the U font, and two open-ended widths about activity groove 13 are greater than the width of two tip of carriage release lever 17, make things convenient for reciprocating of carriage release lever 17, and square draw-in groove 14 has been seted up to equidistance in the middle of two open-ended outside of activity groove 13, and the tank bottom of draw-in groove 14 is linked together with activity groove 13.

The fixed columns 31 fixed in the middle of the outer side end of the rotating part 3 are all hinged with rotating rods 32, the lower ends of the two rotating rods 32 staggered with each other are hinged at the upper end of the pulling assembly 4, the pulling assembly 4 comprises a pulling rod 41, a cylinder 42, a fixed sleeve 43 and a clamping block 44, a notch is formed in the middle of the upper end of the pulling rod 41, the width of the notch is larger than that of the two rotating rods 32, the pulling rod 41 is fixed on the inner side of the notch, round holes formed in the lower ends of the two rotating rods 32 are all sleeved on the pulling rod 41, the pulling rod 41 is moved up and down, so that the two rotating parts 3 are pushed by the rotating rods 32 to move towards the upper ends of the limiting block 15 and the moving block 16 at the same time, the rotating part 3 is conveniently driven to be always abutted against the lower end of the rack 2 through the rotating rods 32, a square fixed sleeve 43 is fixed at the lower end of the inner side of the pulling rod 41, a square inner cavity is provided with a square inner cavity, and a spring 45 is fixed at the bottom of the inner cavity, the outer side end of the spring 45 is fixed with a fixture block 44, the outer side end of the fixture block 44 is clamped in the inner cavity, the section of the fixture block 44 is in a T shape, the inner side end of the fixture block 44 is in a circular arc shape, the inner side end of the fixture block 44 is clamped in the clamping groove 14, the pulling assembly 4 is convenient to fix, the fixture block 44 is abutted to the outer side surface of the moving rod 17, the moving block 16 is convenient to fix, when the rack 2 needs to be dismounted for replacement, the pulling rod 41 is pulled downwards, the pulling rod 41 drives the two rotating portions 3 to move to the upper end of the moving block 16, meanwhile, the fixture block 44 is driven to move to the lower end opening of the moving groove 13, the fixture block 44 moves along the inner side surface of the lower end of the moving rod 17 through the elasticity of the spring 45, the moving rod 17 is pressed downwards, the rotating portions 3 on the moving block 16 move downwards, and the rack 2 is convenient to be dismounted for replacement and cleaned.

A telescopic part 5 is arranged between two lower ends of the rack 2, the end parts of two ends of the telescopic part 5 are hinged with a clamping component 6, the clamping component 6 is clamped in a fixed groove 21 arranged at the side end of the rack 2, when the telescopic part 5 is convenient to extend and retract, the two ends of the rack 2 are driven to be away from and close to each other, so that the radial size of the rack 2 is convenient to change, the clamping component 6 comprises two clamping plates 61, a round rod 64 and a fixed rod 65, the section of each clamping plate 61 is S-shaped, the outer side end of each clamping plate 61 is clamped in the fixed groove 21, the inner side end of each clamping plate 61 is tilted outwards, the arc-shaped inner side ends of the two clamping plates 61 close to each other are respectively fixed with a fixed block 62 which is staggered with each other, the end part of each fixed block 62 is arc-shaped triangle, a round hole is arranged in the middle of each fixed block 62, the round rod 64 penetrates through the middle of the two fixed blocks 62, a torsion spring 63 is wound on the round rod 64, and the two ends of the torsion spring 63 respectively abut against the inner side ends of the two clamping plates 61, through the medial extremity of pressing down two splint 61 from top to bottom, thereby it is rotatory for the rotation axis to make two splint 61 use round bar 64, the outside end of splint 61 enlarges, conveniently take off the lower extreme of telescopic part 5 from rack 2, make things convenient for changing of rack 2, two splint 61 support in fixed slot 21 through the elasticity of torsional spring 63 simultaneously, make things convenient for the centre gripping of not unidimensional rack 2, the centre of the medial extremity of two splint 61 articulates on the fixed arc dead lever 65 of the outside end of telescopic part 5, when convenient telescopic part 5 stretches out and draws back, two tip of telescopic part 5 rotate, thereby reduce the damage of junction.

The working principle is as follows: in actual operation, a rotating seat 1 is connected to an output shaft of a motor arranged at the upper end of an inner cavity of a three-dimensional scanner, the rotating seat 1 is convenient to rotate, the scanner can scan at various angles conveniently, a main gear 12 is fixed at the front end of a rotating shaft 11 connected with a bearing on the rotating seat 1, a rack 2 is meshed and connected with the lower end of the main gear 12, the rack 2 is an arc-shaped rack 2 and is bent towards one side away from a tooth, the rack 2 has elasticity, a telescopic part 5 is arranged between two ends of the lower part of the rack 2, two ends of the telescopic part 5 are hinged with clamping components 6, the clamping components 6 are clamped at two ends of the rack 2, when the telescopic part 5 is telescopic, two ends of the rack 2 are driven to be away from and close to each other, so that the radial size of the rack 2 is convenient to change, the scanning part fixed at the end of the rack 2 can adapt to measured objects with different sizes and shapes in real time, the outer side ends of two clamping plates 61 are respectively clamped in fixing grooves 21 arranged at the front and back of two ends of the rack 2, two staggered fixing blocks 62 are fixed at two ends of the arc bulge of the inner side surfaces of the two clamping plates 61, a round rod 64 is hinged in a round hole arranged in the middle of the fixing block 62, two ends of a torsion spring 63 wound on the round rod 64 respectively abut against the inner side ends of the two clamping plates 61, the inner side ends of the two clamping plates 61 are hinged on a fixing rod 65 fixed at the outer side end part of the telescopic part 5, the two clamping plates 61 rotate by taking the round rod 64 as a rotating shaft through pressing the inner side ends of the two clamping plates 61 up and down, the outer side ends of the clamping plates 61 are expanded, the telescopic part 5 is conveniently taken down from the lower end of the rack 2, the rack 2 is conveniently replaced, when the two clamping plates 61 abut against the fixing groove 21 through the elasticity of the torsion spring 63, the clamping of the racks 2 with different sizes is convenient, and the inner side ends of the two clamping plates 61 are hinged on the fixing rod 65 fixed at the end part 5 through the inner side ends of the two clamping plates 61, so that the telescopic part 5 can conveniently stretch, the two ends of the telescopic part 5 rotate, thereby reducing the damage of the joint of the rack 2 and the telescopic part 5, the rotating parts 3 are clamped on the front and back sides of the rack 2 departing from the rodent, a triangle is formed between the centers of the main gear 12 and the two rotating parts 3, the arc-shaped bulge is arranged in the center of the side of the rack 2 departing from the rodent, the arc-shaped bulge is matched with the groove arranged on the rotating part 3, the two rotating parts 3 are connected in the sliding groove formed by splicing the two limit blocks 15 and the moving block 16 in a sliding way, the fixed column 31 fixed in the middle of the outer side end of the rotating part 3 is hinged with the rotating rod 32, the lower ends of the two mutually staggered rotating rods 32 are hinged on the cylinder 42 fixed at the gap at the upper end of the main body pulling rod 41 of the pulling assembly 4, the pulling rod 41 is pulled by moving up and down, thereby the two rotating parts 3 are pushed by the rotating rod 32 to move oppositely at the upper ends of the limit blocks 15 and the moving block 16, a spring 45 is fixed in an inner cavity of a fixed sleeve 43 fixed on the inner side surface of the pulling rod 41, a clamping block 44 fixed on the outer side end of the spring 45 is clamped in a clamping groove 14 formed on the outer side surface of the rotating seat 1, so that the pulling assembly 4 is conveniently fixed, the rotating part 3 is conveniently abutted to the lower end of the rack 2 all the time, the rotating part 3 is conveniently limited and supported on the side wall of the rack 2, the main gear 12 and the rack 2 move more smoothly, a moving rod 17 is fixed at the rear end of the moving block 16, the moving rod 17 is located in a movable groove 13 formed on the outer side surface of the rotating seat 1, a spring plate 18 is fixed between the lower end of the moving rod 17 and the lower end of the movable groove 13, the bottom of the moving block 16 is conveniently flush with the limiting block 15, and the clamping block 44 is clamped in the clamping groove 14, so that the clamping block 44 is abutted to the outer side surface of the moving rod 17, and the rotating part 3 can conveniently move on the upper ends of the limiting block 15 and the moving block 16, the movable block 16 is conveniently fixed, when the rack 2 needs to be detached for replacement, the pulling rod 41 is pulled downwards, the pulling rod 41 drives the two rotating parts 3 to move to the upper end of the movable block 16, the clamping block 44 is driven to move to the lower end opening of the movable groove 13, the clamping block 44 is driven to move along the inner side face of the lower end of the movable rod 17 through the elastic force of the spring 45, the movable rod 17 is pressed downwards, the movable rod 17 is driven to drive the rotating parts 3 on the movable block 16 to move downwards, and the rack 2 is conveniently taken down for replacement and cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.