CN220853417U - Cylindrical tolerance detection tool - Google Patents

Abstract

The utility model provides a cylindrical tolerance detection tool, which relates to the technical field of tolerance detection tools and comprises a measurement mechanism, wherein a fixing mechanism is fixedly arranged at the top of the measurement mechanism, and a damping mechanism is fixedly arranged at the bottom of the measurement mechanism. According to the utility model, under the action of the damping mechanism, when the instrument vibrates, the hydraulic rod and the spring are compressed downwards, meanwhile, the two brackets on the ear blocks are driven by the top plate to descend, so that the fixing device at the other end of the brackets compresses the spring, and when the spring is compressed to a certain degree, the spring starts to rebound, so that the instrument starts to ascend.

Description

Cylindrical tolerance detection tool

Technical Field

The utility model relates to the technical field of tolerance detection tools, in particular to a cylindrical tolerance detection tool.

Background

The tolerance refers to the allowable variation of the actual parameter value, the purpose of making the tolerance is to determine the geometric parameter of the product, so that the variation is within a certain range, and the requirement of interchange or cooperation is met, the tolerance detection tool is a tool specially used for detecting the size of a part, and the main structure comprises a sensor, an amplifier, a filter, an output device and the like of an instrument, and a part of the instrument is also provided with a corresponding computer.

Although the device achieves the effect of detecting the specific size of the part, instrument vibration caused by the external environment can cause certain influence on the measurement result when the tolerance detection tool runs, and most tolerance detection tool bases are simply provided with a rubber pad, so that the shock absorption capability is poor, and the actual requirements cannot be well met.

Disclosure of utility model

The utility model aims to solve the problem that when the device is used, the cylindrical tolerance detection tool cannot maximally lighten the interference of the external environment in the use process, so that the measurement result is deviated.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the cylindrical tolerance detection tool comprises a measurement mechanism, wherein the top of the measurement mechanism is fixedly provided with a fixing mechanism, and the bottom of the measurement mechanism is fixedly provided with a damping mechanism;

The damping mechanism comprises four top plates, two groups of hydraulic rods are fixedly arranged at the bottoms of the four top plates, two groups of springs are fixedly arranged at the bottoms of the four top plates, one group of fixing blocks are fixedly arranged at the bottoms of the eight groups of hydraulic rods, the bottoms of the eight groups of springs are fixedly connected with the tops of the eight groups of fixing blocks, a cylinder is fixedly arranged on the opposite side of each fixing block, a group of springs II are uniformly wound on the outer surface wall of each cylinder, a group of lugs are fixedly arranged at the bottoms of the four top plates, a rotating shaft II is fixedly inserted into the opposite side of each lug, and two groups of supports are movably sleeved on the outer surface wall of each rotating shaft II.

Preferably, a group of holes II are formed in the outer surface walls of the eight groups of brackets, a group of rotating shafts III are movably sleeved on the inner surface walls of the holes II, a group of retainers are fixedly sleeved on the outer surface walls of the rotating shafts III, one side of the outer wall of each of the eight groups of springs II is fixedly connected with one side of the outer wall of each of the eight groups of retainers, the outer surface walls of the eight cylinders are movably sleeved on the inner surface walls of the eight groups of retainers, and a bottom frame is fixedly installed between the bottoms of two groups of the fixing blocks.

Preferably, the measuring mechanism comprises a base, a display screen is fixedly arranged at the top of the base, a stand column is fixedly arranged at the top of the base, a groove is formed in one side of the outer wall of the stand column, a shifter is movably embedded in the inner surface wall of the groove, a square hole is formed in the outer surface wall of the shifter, a moving rod is movably embedded in the inner surface wall of the square hole, and a measurer is fixedly arranged at the bottom of the moving rod.

Preferably, the fixing mechanism comprises a rotating shaft, the outer surface wall of the rotating shaft is fixedly sleeved with a bearing inner ring, eight rolling bodies are movably embedded in the outer surface wall of the bearing inner ring, a bearing outer ring is movably embedded between the outer surface walls of the eight rolling bodies, a shell is fixedly arranged at the top of the bearing inner ring, three holes are formed in the outer surface wall of the shell, adjusting wheels are movably inserted in the inner surface walls of the three holes, and gears are fixedly arranged on one sides of the outer walls of the three adjusting wheels.

Preferably, driven gears are connected between the outer surface walls of the three gears in a meshed mode, vortex-shaped teeth are fixedly arranged at the tops of the driven gears, three clamping claws are movably embedded in the outer surface walls of the shell, vortex-shaped teeth II are fixedly arranged at the bottoms of the three clamping claws, and the outer surface walls of the three vortex-shaped teeth II are connected with the outer surface walls of the vortex-shaped teeth in a meshed mode.

Preferably, the top of base and the bottom fixed connection of bearing inner race, the bottom of base and the top fixed connection of four roof.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, under the action of the damping mechanism, when the instrument vibrates, the hydraulic rod and the spring are compressed downwards, meanwhile, the two brackets on the ear blocks are driven by the top plate to descend, so that the fixing device at the other end of the brackets compresses the spring, and when the spring is compressed to a certain degree, the spring starts to rebound, so that the instrument starts to ascend.

2. According to the utility model, through the cooperation of the fixing mechanism, the two vortex-shaped teeth can mutually rotate to drive the clamping jaw to move so as to fix the cylindrical part to be measured, the clamping jaw is convenient to fix, a user can fix the cylindrical part only by rotating the adjusting wheel, and the fixing mechanism is simple in structure and can meet the use requirement.

Drawings

FIG. 1 is a perspective view of a front view of a cylindrical tolerance test tool according to the present utility model;

FIG. 2 is a top perspective view of a measuring mechanism in a cylindrical tolerance test tool according to the present utility model;

FIG. 3 is a perspective view of a fixing mechanism in a cylindrical tolerance test tool according to the present utility model;

Fig. 4 is a perspective exploded view of a damping mechanism in a cylindrical tolerance test tool according to the present utility model.

Legend description:

1. A measuring mechanism; 101. a base; 102. a display screen; 103. a column; 104. a groove; 105. a mover; 106. square holes; 107. a moving rod; 108. a measurer;

2. A fixing mechanism; 201. a rotating shaft; 202. a bearing inner ring; 203. a rolling element; 204. a bearing outer ring; 205. a housing; 206. a hole; 207. an adjusting wheel; 208. a gear; 209. a driven gear; 210. vortex-like teeth; 211. vortex-shaped teeth II; 212. a claw;

3. A damping mechanism; 301. a top plate; 302. a hydraulic rod; 303. a spring; 304. a fixed block; 305. a cylinder; 306. a second spring; 307. a holder; 308. ear pieces; 309. a second rotating shaft; 310. a bracket; 311. a second hole; 312. a third rotating shaft; 313. a chassis.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1, As shown in fig. 1-4, the utility model provides a cylindrical tolerance detection tool, which comprises a measurement mechanism 1, wherein a fixing mechanism 2 is fixedly arranged at the top of the measurement mechanism 1, and a damping mechanism 2 is fixedly arranged at the bottom of the measurement mechanism 1;

The damping mechanism 3 comprises four top plates 301, two groups of hydraulic rods 302 are fixedly arranged at the bottoms of the four top plates 301, two groups of springs 303 are fixedly arranged at the bottoms of the four top plates 301, a group of fixed blocks 304 are fixedly arranged at the bottoms of the eight groups of hydraulic rods 302, the bottoms of the eight groups of springs 303 are fixedly connected with the tops of the eight groups of fixed blocks 304, cylinders 305 are fixedly arranged at opposite sides of the eight groups of fixed blocks 304, a group of springs II 306 are wound on outer surface walls of the eight cylinders 305, a group of lug blocks 308 are fixedly arranged at the bottoms of the four top plates 301, a rotating shaft II 309 is fixedly inserted at opposite sides of the four groups of lug blocks 308, two groups of brackets 310 are movably sleeved on the outer surface walls of the two rotating shafts 309, a group of holes II 311 are formed in the outer surface walls of the eight groups of brackets 310, a group of rotating shafts III 312 are movably sleeved on the inner surface walls of the eight groups of holes II 311, a fixer 307 is fixedly sleeved on the outer surface walls of the eight groups of rotating shafts III 312, one side of the outer wall of the eight groups of springs II 306 is fixedly connected with one side of the outer wall of the eight groups of the fixer 307, the outer surface walls of the eight cylinders 305 are movably sleeved with the inner surface walls of the eight groups of the fixer 307, and a bottom frame 313 is fixedly installed between the bottoms of two groups of the eight groups of fixing blocks 304.

The effect that this whole embodiment 1 reaches is, when the instrument receives vibrations, chassis 313 will weaken a large amount of vibrations, when remaining vibrations are conducted to the instrument, the instrument will make roof 301 descend, roof 301 can drive four hydraulic stems 302 and the spring 303 in bottom and begin to descend together, a large amount of springs can change impact force into the elastic potential energy of spring for the vibrations that the instrument received reduce, the bottom plate descends the in-process and drives two support 310 downward movement that movable cover was established on through ear piece 308 and cylinder 305, the bottom of support 310 is fixed in fixer 307 through movable pivot three 312 that inserts, the bottom begins to drive two fixer 307 outside slip when support 310 downward movement, fixer 307 compresses spring two 306, fixer 307 can play the supporting role to the instrument, spring two 306 can assist hydraulic stem 302 and spring 303 to work.

In embodiment 2, as shown in fig. 2-4, the measuring mechanism 1 comprises a base 101, a display screen 102 is fixedly installed at the top of the base 101, a column 103 is fixedly installed at the top of the base 101, a groove 104 is formed in one side of the outer wall of the column 103, a shifter 105 is movably embedded in the inner surface wall of the groove 104, a square hole 106 is formed in the outer surface wall of the shifter 105, a moving rod 107 is movably embedded in the inner surface wall of the square hole 106, a measurer 108 is fixedly installed at the bottom of the moving rod 107, the fixed mechanism 2 comprises a rotating shaft 201, a bearing inner ring 202 is fixedly sleeved on the outer surface wall of the rotating shaft 201, eight rolling bodies 203 are movably embedded in the outer surface wall of the bearing inner ring 202, a bearing outer ring 204 is movably embedded between the outer surface walls of the eight rolling bodies 203, a shell 205 is fixedly installed at the top of the bearing inner ring 202, three holes 206 are formed in the outer surface walls of the shell 205, a regulating wheel 207 is movably inserted in the inner surface walls of the three holes 206, a gear 208 is fixedly installed on one side of the outer wall of the three regulating wheels 207, a driven gear 209 is in meshed connection with the wall, a top of the driven gear 209 is fixedly installed on the outer surface wall 205, two spiral-shaped scroll walls of the shell 211 are fixedly embedded in the outer surface wall of the shell and are fixedly connected with the top of the base 101, two spiral-shaped scroll wall 212 is fixedly meshed with the top of the base 101, and the top of the top is fixedly meshed bottom of the top wall of the top plate is fixedly connected with the top of the top plate 212.

The effect that its whole embodiment 2 reaches is, when needing to measure cylindrical part, firstly rotate adjusting wheel 207, make adjusting wheel 207 begin to rotate, and drive the gear 208 of its outer wall one side fixed connection to rotate towards same direction, gear 208 makes its outer surface wall meshing connection's driven gear 209 begin to rotate, driven gear 209 opens and rotates and drives the vortex tooth 210 on its top, vortex tooth 210 drives three jack catch 212 bottom vortex tooth two 211 in its inside rotary motion, make jack catch 212 begin outwards, put cylindrical part into the hole in three jack catch 212, rotate towards the opposite direction again, make jack catch 212 inwards move the block cylindrical part through adjusting wheel 207 control, more laborsaving, three jack catch 212 moves through vortex tooth 210 simultaneously, not only simple structure but also excellent in use effect, then start the instrument, the shifter 105 that inlays on the stand 103 detects cylindrical part's size and begins to move down to the top of part automatically, then the shifter 107 also begins to move in parallel in shifter 105, contact with the outer surface wall 108, move down in order to measure the diameter of the whole rotary shaft 201 through the rotation of drive the rotatable part in order to measure the whole diameter of measuring part, can be carried out in order to reveal the measuring part in order to measure the diameter of the measuring part, can move the whole diameter of the rotary shaft 201 through measuring part, can be measured by rotating the measuring part, the measuring part is measured, the diameter of the measuring part is measured, and can be measured by rotating part's 201, and can be moved, and measured, and is measured.

Working principle: firstly, when the tolerance of a cylindrical part is to be measured, firstly, any one adjusting wheel 207 is outwards rotated, the adjusting wheel 207 drives the driven gear 209 which is in meshed connection with the outer surface wall of the adjusting wheel 207 to start rotating, the driven gear 209 rotates to drive the vortex teeth 210 which are fixedly connected with the top of the driven gear to rotate in the same direction, the vortex teeth 210 rotate to drive the three vortex teeth 211 which are in meshed connection with the inside of the driven gear to move together, the tops of the three vortex teeth 211 are fixedly provided with a claw 212, the three claw 212 starts to slide outwards in the shell 205 under the driving of the vortex teeth, when the exposed hole is large enough, the cylindrical part can be placed in the claw 212, then the adjusting wheel 207 is reversely rotated, the claw 212 slides inwards to clamp the cylindrical part, then the shifter 105 on the upright post 103 automatically slides to the top of the part according to the size of the part, the measurer 108 on the moving rod 107 is contacted with the top of the cylindrical part, the shifter 105 gradually moves downwards to measure, and meanwhile, the rotating shaft 201 can rotate to drive the cylindrical part to rotate, so that the diameter of the cylindrical part can be measured, when the instrument is vibrated, the top plate 301 moves downwards, the four hydraulic rods 302 and the springs 303 at the bottom are compressed downwards to absorb the impact force of the instrument, meanwhile, two lugs 308 are fixed on the top plate 301 of the instrument, a cylinder 305 is fixedly inserted between the inner surfaces of the two lugs 308, two supports 310 are arranged on the outer surfaces of the cylinder 305, the supports 310 move downwards when being extruded by the top plate 301, the two retainers 307 are extruded outwards, so that the second springs 306 connected to one side of the outer wall of the retainers 307 are contracted, when the three springs are contracted to a certain extent, rebound is started, the top plate 301 rises, and the position of the instrument is kept stable, meanwhile, the underframe 313 between the bottoms of the fixed blocks 304 can greatly weaken external vibration, and errors caused by the results are avoided.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A cylindrical tolerance test tool, characterized by: the device comprises a measuring mechanism (1), wherein a fixing mechanism (2) is fixedly arranged at the top of the measuring mechanism (1), and a damping mechanism (3) is fixedly arranged at the bottom of the measuring mechanism (1);

The damping mechanism (3) comprises four top plates (301), two groups of hydraulic rods (302) are fixedly arranged at the bottoms of the top plates (301), two groups of springs (303) are fixedly arranged at the bottoms of the top plates (301), one group of fixing blocks (304) are fixedly arranged at the bottoms of the hydraulic rods (302), the bottoms of the eight groups of springs (303) are fixedly connected with the tops of the eight groups of fixing blocks (304), cylinders (305) are fixedly arranged at opposite sides of the eight groups of fixing blocks (304), a group of springs II (306) are respectively wound on the outer surface walls of the cylinders (305), a group of lugs (308) are fixedly arranged at the bottoms of the four top plates (301), two groups of rotating shafts (309) are fixedly inserted at opposite sides of the lugs (308), and two groups of supports (310) are movably sleeved on the outer surface walls of the four rotating shafts II (309).

2. A cylindrical tolerance testing tool according to claim 1, wherein: eight groups of the outer surface walls of the support (310) are provided with a group of second holes (311), the inner surface walls of the eight groups of second holes (311) are movably sleeved with a group of third rotating shafts (312), the outer surface walls of the eight groups of third rotating shafts (312) are fixedly sleeved with a group of retainers (307), one side of the outer wall of each eight groups of springs (306) is fixedly connected with one side of the outer wall of each eight groups of retainers (307), the outer surface walls of the eight cylinders (305) are movably sleeved with the inner surface walls of the eight groups of retainers (307), and the bottom frames (313) are fixedly installed between two groups of bottoms of the fixing blocks (304).

3. A cylindrical tolerance testing tool according to claim 2, wherein: the measuring mechanism (1) comprises a base (101), a display screen (102) is fixedly arranged at the top of the base (101), a stand column (103) is fixedly arranged at the top of the base (101), a groove (104) is formed in one side of the outer wall of the stand column (103), a shifter (105) is movably embedded in the inner surface wall of the groove (104), a square hole (106) is formed in the outer surface wall of the shifter (105), a movable rod (107) is movably embedded in the inner surface wall of the square hole (106), and a measurer (108) is fixedly arranged at the bottom of the movable rod (107).

4. A cylindrical tolerance testing tool according to claim 3, wherein: the fixing mechanism (2) comprises a rotating shaft (201), a bearing inner ring (202) is fixedly sleeved on the outer surface wall of the rotating shaft (201), eight rolling bodies (203) are movably embedded on the outer surface wall of the bearing inner ring (202), a bearing outer ring (204) is movably embedded between the outer surface walls of the rolling bodies (203), a shell (205) is fixedly arranged at the top of the bearing inner ring (202), three holes (206) are formed in the outer surface wall of the shell (205), regulating wheels (207) are movably inserted on the inner surface wall of each hole (206), and gears (208) are fixedly arranged on one sides of the outer walls of the regulating wheels (207).

5. A cylindrical tolerance testing tool according to claim 4, wherein: driven gears (209) are connected between the outer surface walls of the three gears (208) in a meshed mode, vortex-shaped teeth (210) are fixedly arranged at the tops of the driven gears (209), three clamping claws (211) are movably embedded in the outer surface walls of the shell (205), vortex-shaped teeth two (212) are fixedly arranged at the bottoms of the three clamping claws (211), and the outer surface walls of the three vortex-shaped teeth two (212) are connected with the outer surface walls of the vortex-shaped teeth (210) in a meshed mode.

6. A cylindrical tolerance testing tool according to claim 5, wherein: the top of base (101) is fixedly connected with the bottom of bearing outer lane (204), the bottom of base (101) is fixedly connected with the top of four roof (301).