CN216013026U - Novel rubber hardness detects device - Google Patents

Abstract

The utility model provides a novel rubber hardness detection device, which comprises: the measuring head comprises a base, a stand column, a gear box, a first gear, a spring plate, a load cylinder, a measuring foot, a measuring head link rod, a meter shell, a second gear, a third gear, a fourth gear, a connecting shaft and a pointer; through changing dial plate inner structure, the diameter of second gear, third gear and fourth gear diminishes again from little grow, enlargies the slight change of gauge head link rod position through the second gear to through the interlock of third gear and the fourth gear that the diameter is less, reduce the drive ratio, thereby ensure that the pointer rotates accurately, guarantee that the number of degrees is accurate. Through setting up the shell fragment, elastic deformation through the shell fragment exerts pressure to gear box and stand, and then increases the frictional force between gear box and the stand to with the rigidity of gear box, avoid gear box and survey the foot and receive gravity lapse, lead to surveying foot and base striking, the gauge head link rod is kick-backed, avoids detecting numerical value too big, ensures that the reading is accurate.

Description

Novel rubber hardness detects device

Technical Field

The utility model relates to the technical field of hardometers, in particular to a novel rubber hardness detection device.

Background

At present, in the related art, when the existing hardness tester detects a material with larger elasticity, the detection result is inaccurate, and the detection result of multiple measurements has larger difference. Therefore, design a novel rubber hardness detection device, improve the precision that detects the elasticity material, ensure that the testing result is accurate, it is especially important.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, the utility model provides a novel rubber hardness detection device.

In view of this, the present invention provides a novel rubber hardness detecting device, which includes: the measuring head comprises a base, a stand column, a gear box, a first gear, a spring plate, a load cylinder, a measuring foot, a measuring head link rod, a meter shell, a second gear, a third gear, a fourth gear, a connecting shaft and a pointer; the outer wall of the upright post is provided with a first tooth, the upright post is vertical to the base, and one end of the upright post is connected with the base; the gear box is wound on the outer side of the upright post; the outer wall of the first gear is provided with second teeth, the first gear is embedded into the gear box, the second teeth are meshed with the first teeth, and the first gear is rotationally connected with the gear box; the elastic sheet is in a circular arc shape and is embedded between the stand column and the gear box, and the elastic sheet is simultaneously attached to the inner walls of the stand column and the gear box; the load cylinder is connected with the gear box; the measuring foot is vertical to the base and is connected with the load cylinder; after the measuring head link rod sequentially penetrates through the load cylinder, one end of the measuring head link rod is embedded into the measuring foot, a third tooth is arranged on the side wall of the other end of the measuring head link rod, and the measuring head link rod is connected with the load cylinder in a sliding mode; the meter shell is connected with the load cylinder and is wound on the outer side of the other end of the measuring head link rod; a fourth tooth is arranged on the outer wall of the second gear, the second gear is rotationally connected with the watchcase, and the fourth tooth is meshed with the third tooth; a fifth tooth is arranged on the outer wall of the third gear, the diameter of the third gear is larger than that of the second gear, and the third gear and the second gear rotate synchronously; the outer wall of the fourth gear is provided with sixth teeth, the sixth teeth are meshed with the fifth teeth, and the diameter of the fourth gear is smaller than that of the third gear; the connecting shaft sequentially penetrates through the watchcase and the fourth gear and is rotationally connected with the watchcase; the pointer is located the outside of watchcase, and the pointer suit is in the outside of connecting axle, and pointer and connecting axle do not have relative rotation.

In the technical scheme, firstly, a first tooth is arranged on the outer wall of an upright column, the upright column is perpendicular to a base, and one end of the upright column is connected with the base so as to fix the upright column on the base; secondly, the gear box is wound on the outer side of the upright post, so that the gear box is in sliding connection with the upright post, and the flexibility of the gear box is improved; thirdly, the second teeth are arranged on the outer wall of the first gear, the first gear is embedded into the gear box, the second teeth are meshed with the first teeth, the first gear is rotationally connected with the gear box, and the first gear is meshed with the upright column by rotating the first gear, so that the technical effect of driving the gear box to slide along the upright column is achieved; thirdly, the elastic sheet is made to be arc-shaped, the elastic sheet is embedded between the stand column and the gear box, and the elastic sheet is attached to the inner walls of the stand column and the gear box at the same time, so that the position of the gear box is locked through the elastic sheet, the gear box is prevented from sliding down under the action of gravity, the stability of connection between the gear box and the stand column is ensured, the position of the gear box is fixed in a non-adjusting state, and the accuracy of detection is ensured; thirdly, the load cylinder is connected with the gear box, so that the load cylinder and the gear box can be synchronously lifted; thirdly, the measuring foot is perpendicular to the base and connected with the load cylinder so as to enable the measuring foot and the load cylinder to move synchronously, and the first gear rotates to drive the measuring foot to move so as to enable the measuring foot to be attached to the plane to be detected; thirdly, after the measuring head link rod sequentially penetrates through the load cylinder, one end of the measuring head link rod is embedded into the measuring foot, a third tooth is arranged on the side wall of the other end of the measuring head link rod, the measuring head link rod is connected with the load cylinder in a sliding mode, and after the measuring foot is in contact with a plane to be detected, the measuring head is retracted into the measuring foot; thirdly, the watchcase is connected with the load cylinder and is wound on the outer side of the other end of the measuring head link rod, so that the watchcase and the gear box are lifted synchronously, the watchcase is connected with the measuring head link rod in a sliding mode, and the watchcase is prevented from interfering the movement of the measuring head link rod; thirdly, a fourth tooth is arranged on the outer wall of the second gear, the second gear is rotatably connected with the watch case, the fourth tooth is meshed with the third tooth, and when the measuring head link rod is lifted, the measuring head link rod drives the second gear to rotate; thirdly, a fifth tooth is arranged on the outer wall of the third gear, the diameter of the third gear is larger than that of the second gear, the third gear and the second gear rotate synchronously, and when the second gear rotates, the third gear rotates synchronously; thirdly, sixth teeth are arranged on the outer wall of the fourth gear, the sixth teeth are meshed with the fifth teeth, and the diameter of the fourth gear is smaller than that of the third gear, so that the fourth gear is meshed with the third gear, and the technical effect of driving the fourth gear to rotate is achieved; thirdly, the connecting shaft sequentially penetrates through the watchcase and the fourth gear and is rotatably connected with the watchcase, so that the connecting shaft can flexibly rotate relative to the watchcase; and thirdly, the pointer is positioned on the outer side of the watch case and sleeved on the outer side of the connecting shaft, and the pointer and the connecting shaft do not rotate relatively, so that the pointer and the fourth gear rotate synchronously, the reading function of the device is realized, and errors are reduced. By adopting the connection mode, the detection accuracy is improved, and errors are reduced; when the device is used, the first gear is rotated and meshed with the upright post, so that the technical effect that the first gear drives the gear box to lift relative to the upright post is achieved, and the load cylinder, the meter shell and the foot measurement are lifted synchronously; the measuring head link rod is contacted with the plane to be detected, the measuring head link rod moves upwards, the other end of the measuring head link rod is meshed with the second gear to drive the second gear and the third gear to synchronously rotate, the third gear is meshed with the fourth gear to drive the fourth gear and the pointer to synchronously rotate, and direct reading can be realized; and when the bottom surface of the measuring foot is completely contacted with the plane to be detected, one end of the measuring head link rod is completely retracted into the measuring foot, the pointer stops rotating at the moment, and the pointing position of the pointer is the hardness value of the plane to be detected. Through changing dial plate inner structure, the diameter of second gear, third gear and fourth gear diminishes again from little grow, enlargies the slight change of gauge head link rod position through the second gear to through the interlock of third gear and the fourth gear that the diameter is less, reduce the drive ratio, thereby ensure that the pointer rotates accurately, guarantee that the number of degrees is accurate. Through setting up the shell fragment, elastic deformation through the shell fragment exerts pressure to gear box and stand, and then increases the frictional force between gear box and the stand to with the rigidity of gear box, avoid gear box and survey the foot and receive gravity lapse, lead to surveying foot and base striking, the gauge head link rod is kick-backed, avoids detecting numerical value too big, ensures that the reading is accurate. So can increase the detection precision of device, to some better materials of elasticity, it is accurate to detect, makes up market blank.

In addition, the novel rubber hardness detection device in the technical scheme provided by the utility model can also have the following additional technical characteristics:

in the above technical solution, preferably, the novel rubber hardness detecting device further includes: a fifth gear and a torsion spring; the outer wall of the fifth gear is provided with seventh teeth, the seventh teeth are simultaneously meshed with the sixth teeth and the third teeth, and the fifth gear is rotationally connected with the watchcase; one end of the torsional spring is connected with the fifth gear, and the other end of the torsional spring is connected with the watch case.

In the technical scheme, the outer wall of the fifth gear is provided with seventh teeth, the seventh teeth are meshed with the sixth teeth, and the fifth gear is rotatably connected with the watch case, so that the flexibility of the fifth gear is improved; one end of the torsion spring is connected with the fifth gear, and the other end of the torsion spring is connected with the meter shell, so that the reset effect on the measuring head link rod is realized, and the aim of enabling the pointer to return to zero is fulfilled, so that the next detection is accurate; when the measuring head link rod retracts, the fifth gear is meshed with the fourth gear, the fifth gear rotates, and the torsion spring stretches; after the detection is finished, the measuring foot is separated from the plane to be detected, the measuring head link rod is not pressed any more, the torsional spring returns to elastic deformation to drive the fifth gear to rotate, the fifth gear is meshed with the fourth gear to drive the fourth gear to rotate reversely, and the aim of resetting the pointer is fulfilled; and simultaneously, the measuring head link rod is driven to move until the torsional spring completely restores the elastic deformation, and the measuring head link rod resets.

In the above technical solution, preferably, the watch case further includes: a shell and a scale plate; the scale plate is arranged along the circumferential direction of the shell, and the scale plate is positioned between the pointer and the shell.

In the technical scheme, the scale plate is arranged along the circumferential direction of the shell and is positioned between the pointer and the shell, so that the numerical value pointed by the pointer can be accurately read, and the reading accuracy is ensured; meanwhile, whether the pointer returns to zero or not is convenient to observe, the service condition of the device is known in time, invalid detection is avoided, and time is saved.

In the above technical solution, preferably, the probe link further includes: the measuring rod, the measuring head and the limiting pin are arranged on the measuring rod; after the measuring rod penetrates through the load cylinder and the shell, one end of the measuring rod is embedded into the measuring foot; one end of the measuring head is hemispherical, the other end of the measuring head is connected with the measuring rod, and the measuring head is positioned in the measuring foot; the limiting pin is sleeved on the outer side of the other end of the measuring rod, and the limiting pin is attached to the side wall of the shell.

In the technical scheme, after the measuring rod penetrates through the load cylinder and the shell, one end of the measuring rod is embedded into the measuring foot, so that the measuring rod is connected with the load cylinder and the shell in a sliding manner; one end of the measuring head is hemispherical, the other end of the measuring head is connected with the measuring rod, and the measuring head is positioned in the measuring foot, so that the measuring head is in point contact with a plane to be detected, the condition that the position of the measuring head is not fixed and the numerical value is constantly changed due to the fact that the contact surface is too large is avoided, and the accuracy of detection is ensured; through the outside with the spacer pin suit at the measuring staff other end, and the spacer pin laminates mutually with the lateral wall of casing, avoids the measuring staff landing downwards to the length that makes the measuring staff stretch out in following the survey foot is unanimous, thereby guarantees the uniformity of detection data.

In the above technical solution, preferably, the load drum further includes: the device comprises a sleeve, a main load, an initial load, an upper cover and a lower cover; the sleeve is wound on the outer side of the measuring rod; the main load is wound on the outer side of the measuring rod and embedded into the sleeve, and a gap exists between the main load and the sleeve as well as between the main load and the measuring rod; the primary load is sleeved on the outer side of the measuring rod, and at least part of the primary load is embedded in the main load; the upper cover is positioned between the main load and the shell, is wound on the outer side of the measuring rod and is connected with one end of the sleeve; the lower cover is parallel to the upper cover, is wound on the outer side of the measuring rod and is connected with the other end of the sleeve.

In the technical scheme, the sleeve is wound on the outer side of the measuring rod, the main load is wound on the outer side of the measuring rod and embedded into the sleeve, and a gap exists between the main load and the sleeve as well as between the main load and the measuring rod so as to limit and support the measuring rod, so that the measuring rod is prevented from inclining in the telescopic process, the stability of the measuring rod is ensured, and the accuracy of detection is ensured; the primary load is sleeved on the outer side of the measuring rod, at least part of the primary load is embedded into the main load, so that the primary load and the measuring rod move synchronously, the primary load is limited by the main load, the technical effect of limiting the measuring rod is realized, the measuring rod is prevented from being bounced, and the torsional spring is prevented from being damaged; the upper cover is arranged between the main load and the shell and wound on the outer side of the measuring rod, and is connected with one end of the sleeve to seal the top of the sleeve; through making the lower cover be on a parallel with the upper cover, the lower cover is around establishing in the outside of measuring staff, and the lower cover is connected with telescopic other end to with sleeve bottom seal, avoid the dust to enter between main load and the measuring staff, lead to the increase to measuring staff frictional force, the motion difficulty ensures that measuring result is accurate.

In the above technical solution, preferably, the novel rubber hardness detecting device further includes: a support plate, a bracket and a bracket; the support plate is connected with the upper cover; the support is vertical to the support plate, one end of the support is connected with the bottom surface of the support plate, and the other end of the support is connected with the top surface of the gear box; the bracket is connected with the lower cover and the bottom surface of the gear box.

In the technical scheme, the support plate is connected with the upper cover so as to be fixed on the upper cover; the support plate is fixed on the gear box by enabling the support to be perpendicular to the support plate, one end of the support is connected with the bottom surface of the support plate, and the other end of the support is connected with the top surface of the gear box; the bracket is connected with the lower cover and the bottom surface of the gear box simultaneously to strengthen the connection strength, increase the supporting force for the load cylinder and ensure the stable movement of the load cylinder.

In the above technical solution, preferably, the novel rubber hardness detecting device further includes: a limiting part; the limiting part is sleeved on the outer side of the foot measuring part and is attached to the lower cover.

In this technical scheme, through the outside of surveying the foot with spacing portion suit, and spacing portion and lower cover laminating mutually, avoid surveying foot and a load section of thick bamboo and produce relative slip, lead to surveying the foot withdrawal, measuring staff movement distance is elongated to guarantee the accuracy that detects.

In the above technical solution, preferably, the novel rubber hardness detecting device further includes: a rotating shaft and a hand wheel; after the rotating shaft penetrates through the gear box, one end of the rotating shaft is connected with the first gear, and the rotating shaft is rotationally connected with the gear box; the hand wheel is located the outside of gear box, and the hand wheel is connected with the other end of pivot, and hand wheel and pivot do not have relative rotation.

In the technical scheme, after the rotating shaft penetrates through the gear box, one end of the rotating shaft is connected with the first gear, and the rotating shaft is rotationally connected with the gear box so as to avoid the interference between the rotating shaft and the gear box; through making the hand wheel be located the outside of gear box, the hand wheel is connected with the other end of pivot, and the hand wheel does not have relative rotation with the pivot to make hand wheel and first gear synchronous rotation, be convenient for application of force and operation reach and rotate first gear fast, drive and survey sufficient lift, fast and wait to detect the plane laminating, improve detection efficiency.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a novel rubber hardness testing apparatus according to one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a novel rubber hardness testing apparatus according to another embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a novel rubber hardness testing apparatus according to yet another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a novel rubber hardness testing apparatus according to yet another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

8 to-be-detected plane, 10 bases, 12 columns, 14 gearboxes, 16 first gears, 18 elastic sheets, 20 load cylinders, 201 sleeves, 202 main loads, 203 initial loads, 204 upper covers, 205 lower covers, 22 measuring feet, 24 measuring head connecting rods, 241 measuring rods, 242 measuring heads, 243 limiting pins, 26 watchcases, 261 shells, 262 scale plates, 28 second gears, 30 third gears, 32 fourth gears, 34 connecting shafts, 36 pointers, 38 fifth gears, 40 torsion springs, 42 supporting plates, 44 supports, 46 brackets, 48 limiting parts, 49 rotating shafts and 50 hand wheels.

Detailed Description

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

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The novel rubber hardness detecting apparatus according to some embodiments of the present invention is described below with reference to fig. 1 to 4.

In an embodiment of the present invention, as shown in fig. 1 to 4, the present invention provides a novel rubber hardness detecting device, including: the measuring head comprises a base 10, a stand column 12, a gear box 14, a first gear 16, a spring plate 18, a load cylinder 20, a measuring foot 22, a measuring head link 24, a meter shell 26, a second gear 28, a third gear 30, a fourth gear 32, a connecting shaft 34 and a pointer 36; the outer wall of the upright post 12 is provided with first teeth, the upright post 12 is vertical to the base 10, and one end of the upright post 12 is connected with the base 10; the gear box 14 is wound on the outer side of the upright post 12; the outer wall of the first gear 16 is provided with second teeth, the first gear 16 is embedded into the gear box 14, the second teeth are meshed with the first teeth, and the first gear 16 is rotationally connected with the gear box 14; the elastic sheet 18 is arc-shaped, the elastic sheet 18 is embedded between the upright post 12 and the gear box 14, and the elastic sheet 18 is simultaneously attached to the inner walls of the upright post 12 and the gear box 14; the load drum 20 is connected with the gear box 14; the measuring foot 22 is vertical to the base 10, and the measuring foot 22 is connected with the load cylinder 20; after the measuring head link rod 24 sequentially penetrates through the load cylinder 20, one end of the measuring head link rod 24 is embedded into the measuring foot 22, a third tooth is arranged on the side wall of the other end of the measuring head link rod 24, and the measuring head link rod 24 is connected with the load cylinder 20 in a sliding mode; the watchcase 26 is connected with the load cylinder 20, and the watchcase 26 is wound on the outer side of the other end of the measuring head link 24; a fourth tooth is arranged on the outer wall of the second gear 28, the second gear 28 is rotationally connected with the watch case 26, and the fourth tooth is meshed with the third tooth; a fifth tooth is arranged on the outer wall of the third gear 30, the diameter of the third gear 30 is larger than that of the second gear 28, and the third gear 30 and the second gear 28 rotate synchronously; sixth teeth are arranged on the outer wall of the fourth gear 32 and meshed with the fifth teeth, and the diameter of the fourth gear 32 is smaller than that of the third gear 30; the connecting shaft 34 passes through the watch case 26 and the fourth gear 32 in sequence, and the connecting shaft 34 is rotatably connected with the watch case 26; the hand 36 is located on the outer side of the case 26, the hand 36 is fitted around the outer side of the connecting shaft 34, and the hand 36 and the connecting shaft 34 do not rotate relatively.

In this embodiment, first, the pillar 12 is perpendicular to the base 10 by providing a first tooth on an outer wall of the pillar 12, and one end of the pillar 12 is connected to the base 10 to fix the pillar 12 to the base 10; secondly, the gear box 14 is wound on the outer side of the upright post 12, so that the gear box 14 is in sliding connection with the upright post 12, and the flexibility of the gear box 14 is improved; thirdly, the second teeth are arranged on the outer wall of the first gear 16, the first gear 16 is embedded into the gear box 14, the second teeth are meshed with the first teeth, the first gear 16 is rotationally connected with the gear box 14, and the first gear 16 is meshed with the upright post 12 by rotating the first gear 16, so that the technical effect of driving the gear box 14 to slide along the upright post 12 is achieved; thirdly, the elastic sheet 18 is made to be in the shape of an arc, the elastic sheet 18 is embedded between the upright post 12 and the gear box 14, and the elastic sheet 18 is attached to the inner walls of the upright post 12 and the gear box 14 at the same time, so that the position of the gear box 14 is locked through the elastic sheet 18, the gear box 14 is prevented from sliding down under the action of gravity, the stability of connection between the gear box 14 and the upright post 12 is ensured, the position of the gear box 14 in a non-adjusting state is ensured to be fixed, and the detection accuracy is ensured; thirdly, the load drum 20 and the gear box 14 are synchronously lifted and lowered by connecting the load drum 20 and the gear box 14; thirdly, the measuring foot 22 is connected with the loading cylinder 20 by enabling the measuring foot 22 to be vertical to the base 10, so that the measuring foot 22 and the loading cylinder 20 move synchronously, and the measuring foot 22 is driven to move by enabling the first gear 16 to rotate, so that the measuring foot 22 is attached to the plane 8 to be detected; thirdly, after the measuring head link rod 24 sequentially penetrates through the load cylinder 20, one end of the measuring head link rod 24 is embedded into the measuring foot 22, a third tooth is arranged on the side wall of the other end of the measuring head link rod 24, the measuring head link rod 24 is connected with the load cylinder 20 in a sliding mode, and after the measuring foot 22 is in contact with the plane 8 to be detected, the measuring head 242 retracts into the measuring foot 22; thirdly, the watchcase 26 is connected with the load cylinder 20, and the watchcase 26 is wound on the outer side of the other end of the measuring head link 24, so that the watchcase 26 and the gear box 14 are lifted synchronously, and the watchcase 26 is connected with the measuring head link 24 in a sliding manner, and the watchcase 26 is prevented from interfering the movement of the measuring head link 24; thirdly, a fourth tooth is arranged on the outer wall of the second gear 28, the second gear 28 is rotatably connected with the watch case 26, the fourth tooth is meshed with the third tooth, and when the measuring head link 24 is lifted, the measuring head link 24 drives the second gear 28 to rotate; thirdly, by providing a fifth tooth on the outer wall of the third gear 30, the diameter of the third gear 30 is larger than that of the second gear 28, and the third gear 30 rotates synchronously with the second gear 28, when the second gear 28 rotates, the third gear 30 rotates synchronously; thirdly, sixth teeth are arranged on the outer wall of the fourth gear 32 and meshed with the fifth teeth, and the diameter of the fourth gear 32 is smaller than that of the third gear 30, so that the fourth gear 32 is meshed with the third gear 30, and the technical effect of driving the fourth gear 32 to rotate is achieved; thirdly, the connecting shaft 34 is flexibly rotated relative to the watch case 26 by passing the connecting shaft 34 through the watch case 26 and the fourth gear 32 in sequence, and the connecting shaft 34 is rotatably connected with the watch case 26; thirdly, by positioning the pointer 36 at the outer side of the watch case 26, the pointer 36 is sleeved at the outer side of the connecting shaft 34, and the pointer 36 and the connecting shaft 34 do not rotate relatively, so that the pointer 36 and the fourth gear 32 rotate synchronously, thereby realizing the reading function of the device and reducing errors. By adopting the connection mode, the detection accuracy is improved, and errors are reduced; when the device is used, the first gear 16 is rotated, the first gear 16 is meshed with the upright post 12, and the technical effect that the first gear 16 drives the gear box 14 to lift relative to the upright post 12 is achieved, so that the load cylinder 20, the meter shell 26 and the measuring foot 22 lift synchronously; the measuring head link rod 24 is contacted with the plane 8 to be detected, the measuring head link rod 24 moves upwards, the other end of the measuring head link rod 24 is meshed with the second gear 28 to drive the second gear 28 and the third gear 30 to synchronously rotate, the third gear 30 is meshed with the fourth gear 32 to drive the fourth gear 32 and the pointer 36 to synchronously rotate, and direct reading can be realized; when the bottom surface of the measuring foot 22 is completely contacted with the plane 8 to be detected, one end of the measuring head link rod 24 is completely retracted into the measuring foot 22, at this time, the pointer 36 stops rotating, and the pointing position of the pointer 36 is the hardness value of the plane 8 to be detected. By changing the internal structure of the dial, the diameters of the second gear 28, the third gear 30 and the fourth gear 32 are changed from small to large and then small, the slight change of the position of the measuring head link rod 24 is amplified through the second gear 28, and is meshed with the fourth gear 32 with small diameter through the third gear 30, so that the transmission ratio is reduced, the pointer 36 is ensured to rotate accurately, and the accuracy of the degree is ensured. Through setting up shell fragment 18, exert pressure to gear box 14 and stand 12 through the elastic deformation of shell fragment 18, and then increase the frictional force between gear box 14 and the stand 12 to with the fixed position of gear box 14, avoid gear box 14 and survey foot 22 to receive gravity lapse, lead to surveying foot 22 and base 10 striking, gauge head link rod 24 kick-backs, avoids detecting numerical value too big, ensures that the reading is accurate. So can increase the detection precision of device, to some better materials of elasticity, it is accurate to detect, makes up market blank.

In addition, the novel rubber hardness detection device in the technical scheme provided by the utility model can also have the following additional technical characteristics:

in one embodiment of the present invention, preferably, as shown in fig. 1 and 2, the novel rubber hardness detecting apparatus further includes: a fifth gear 38 and a torsion spring 40; the outer wall of the fifth gear 38 is provided with seventh teeth, the seventh teeth are simultaneously meshed with the sixth teeth and the third teeth, and the fifth gear 38 is rotatably connected with the watchcase 26; one end of the torsion spring 40 is connected to the fifth gear 38, and the other end of the torsion spring 40 is connected to the wristwatch case 26.

In this embodiment, the flexibility of the fifth gear 38 is improved by providing the outer wall of the fifth gear 38 with seventh teeth, which engage with the sixth teeth, and the fifth gear 38 is rotatably connected to the wristwatch case 26; one end of the torsion spring 40 is connected with the fifth gear 38, and the other end of the torsion spring 40 is connected with the shell 26, so that the reset effect on the measuring head link rod 24 is realized, and the aim of enabling the pointer 36 to be reset to zero is fulfilled, so that the next detection is accurate; when the gauge head link 24 retracts, the fifth gear 38 is meshed with the fourth gear 32, the fifth gear 38 rotates, and the torsion spring 40 stretches; after the detection is finished, the measuring foot 22 is separated from the plane 8 to be detected, the measuring head link rod 24 is not pressed any more, the torsion spring 40 restores the elastic deformation to drive the fifth gear 38 to rotate, the fifth gear 38 is meshed with the fourth gear 32 to drive the fourth gear 32 to rotate reversely, and the purpose of resetting the pointer 36 is achieved; and simultaneously, the measuring head link rod 24 is driven to move until the torsional spring 40 completely restores the elastic deformation, and the measuring head link rod 24 is reset.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 4, watch case 26 further includes: a housing 261 and a dial plate 262; the scale plate 262 is disposed along the circumferential direction of the housing 261, and the scale plate 262 is located between the pointer 36 and the housing 261.

In this embodiment, the scale plate 262 is arranged along the circumferential direction of the housing 261, and the scale plate 262 is located between the pointer 36 and the housing 261, so that the value pointed by the pointer 36 can be accurately read, and the reading is ensured to be accurate; meanwhile, whether the pointer 36 is reset to zero or not is convenient to observe, the use condition of the device is known in time, invalid detection is avoided, and time is saved.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 4, the probe link 24 further includes: a measuring rod 241, a measuring head 242 and a limit pin 243; after the measuring rod 241 penetrates through the load cylinder 20 and the shell 261, one end of the measuring rod 241 is embedded into the measuring foot 22; one end of the measuring head 242 is hemispherical, the other end of the measuring head 242 is connected with the measuring rod 241, and the measuring head 242 is located in the measuring foot 22; the limit pin 243 is sleeved outside the other end of the measuring bar 241, and the limit pin 243 is attached to the side wall of the housing 261.

In this embodiment, after the measuring rod 241 passes through the load cylinder 20 and the housing 261, one end of the measuring rod 241 is embedded in the measuring foot 22, so that the measuring rod 241 is slidably connected with the load cylinder 20 and the housing 261; one end of the measuring head 242 is hemispherical, the other end of the measuring head 242 is connected with the measuring rod 241, and the measuring head 242 is located in the measuring foot 22, so that the measuring head 242 is in point contact with the plane to be detected 8, the situation that the position of the measuring head 242 is not fixed due to the fact that the contact surface is too large, the numerical value is constantly changed is avoided, and the accuracy of detection is ensured; through the outside of the suit at the measuring staff 241 other end with spacer pin 243, and spacer pin 243 laminates with the lateral wall of casing 261 mutually, avoids measuring staff 241 to the downward landing to the length that makes measuring staff 241 stretch out from surveying sufficient 22 is unanimous, thereby guarantees the uniformity of detection data.

In one embodiment of the present invention, preferably, as shown in fig. 1, the load drum 20 further includes: a sleeve 201, a main load 202, an initial load 203, an upper cover 204 and a lower cover 205; the sleeve 201 is wound on the outer side of the measuring rod 241; the main load 202 is wound on the outer side of the measuring rod 241, the main load 202 is embedded in the sleeve 201, and a gap exists between the main load 202 and the sleeve 201 as well as between the main load 202 and the measuring rod 241; the initial load 203 is sleeved outside the measuring rod 241, and at least part of the initial load 203 is embedded in the main load 202; the upper cover 204 is positioned between the main load 202 and the shell 261, the upper cover 204 is wound on the outer side of the measuring rod 241, and the upper cover 204 is connected with one end of the sleeve 201; the lower cover 205 is parallel to the upper cover 204, the lower cover 205 is wound around the outside of the measuring bar 241, and the lower cover 205 is connected to the other end of the sleeve 201.

In this embodiment, the sleeve 201 is wound on the outer side of the measuring rod 241, the main load 202 is embedded in the sleeve 201, and a gap exists between the main load 202 and the sleeve 201 as well as between the main load 202 and the measuring rod 241, so as to limit and support the measuring rod 241, prevent the measuring rod 241 from inclining in the expansion and contraction process, and ensure the stability of the measuring rod 241, so as to ensure the accuracy of detection; the primary load 203 is sleeved outside the measuring rod 241, and at least part of the primary load 203 is embedded into the main load 202, so that the primary load 203 and the measuring rod 241 synchronously move, the primary load 203 is limited by the main load 202, the technical effect of limiting the measuring rod 241 is realized, the measuring rod 241 is prevented from being bounced, and the torsion spring 40 is prevented from being damaged; the top of the sleeve 201 is sealed by positioning the upper cover 204 between the main load 202 and the housing 261, the upper cover 204 being disposed around the outside of the spindle 241, and the upper cover 204 being connected to one end of the sleeve 201; by making the lower cover 205 parallel to the upper cover 204, the lower cover 205 is wound around the outside of the measuring rod 241, and the lower cover 205 is connected to the other end of the sleeve 201, so as to seal the bottom of the sleeve 201, avoid dust from entering between the main load 202 and the measuring rod 241, increase friction force on the measuring rod 241, make movement difficult, and ensure accurate measurement result.

In one embodiment of the present invention, preferably, as shown in fig. 1 and 3, the novel rubber hardness detecting apparatus further includes: the brace 42, the bracket 44, and the bracket 46; the support plate 42 is connected with the upper cover 204; the bracket 44 is perpendicular to the support plate 42, one end of the bracket 44 is connected with the bottom surface of the support plate 42, and the other end of the bracket 44 is connected with the top surface of the gear box 14; the bracket 46 is connected to both the lower cover 205 and the bottom surface of the gear case 14.

In this embodiment, the bracket 42 is fixed to the upper cover 204 by connecting the bracket 42 to the upper cover 204; by making the bracket 44 perpendicular to the stay 42, one end of the bracket 44 is connected to the bottom surface of the stay 42, and the other end of the bracket 44 is connected to the top surface of the gear case 14, to fix the stay 42 to the gear case 14; the bracket 46 is connected with the lower cover 205 and the bottom surface of the gear case 14 at the same time, so that the connection strength is enhanced, the supporting force for the load drum 20 is increased, and the load drum 20 moves smoothly.

In an embodiment of the present invention, preferably, as shown in fig. 1, the novel rubber hardness detecting apparatus further includes: a stopper portion 48; the limiting part 48 is sleeved on the outer side of the foot 22, and the limiting part 48 is attached to the lower cover 205.

In this embodiment, the limiting part 48 is sleeved outside the foot 22, and the limiting part 48 is attached to the lower cover 205, so that the foot 22 is prevented from sliding relative to the load cylinder 20, the foot 22 is prevented from retracting, the movement distance of the measuring rod 241 is increased, and the detection accuracy is ensured.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 4, the novel rubber hardness detecting apparatus further includes: a shaft 49 and a hand wheel 50; after the rotating shaft 49 passes through the gear box 14, one end of the rotating shaft 49 is connected with the first gear 16, and the rotating shaft 49 is rotatably connected with the gear box 14; the hand wheel 50 is located on the outer side of the gear box 14, the hand wheel 50 is connected with the other end of the rotating shaft 49, and the hand wheel 50 and the rotating shaft 49 do not rotate relatively.

In this embodiment, after the rotating shaft 49 passes through the gear box 14, one end of the rotating shaft 49 is connected with the first gear 16, and the rotating shaft 49 is rotatably connected with the gear box 14, so as to avoid the interference between the rotating shaft 49 and the gear box 14; the hand wheel 50 is located on the outer side of the gear box 14, the hand wheel 50 is connected with the other end of the rotating shaft 49, and the hand wheel 50 does not rotate relative to the rotating shaft 49, so that the hand wheel 50 and the first gear 16 rotate synchronously, force application and operation are facilitated, the first gear 16 is rotated fast, the measuring feet 22 are driven to ascend and descend, the plane 8 to be detected is attached fast, and detection efficiency is improved.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel rubber hardness detects device which characterized in that, novel rubber hardness detects device includes:

a base;

the outer wall of the upright post is provided with first teeth, the upright post is perpendicular to the base, and one end of the upright post is connected with the base;

the gear box is wound on the outer side of the upright post;

the outer wall of the first gear is provided with second teeth, the first gear is embedded into the gear box, the second teeth are meshed with the first teeth, and the first gear is rotationally connected with the gear box;

the elastic sheet is in an arc shape, is embedded between the upright post and the gear box and is simultaneously attached to the inner walls of the upright post and the gear box;

the load cylinder is connected with the gear box;

the measuring foot is perpendicular to the base and connected with the load cylinder;

the measuring head connecting rod penetrates through the load cylinder in sequence, one end of the measuring head connecting rod is embedded into the measuring foot, a third tooth is arranged on the side wall of the other end of the measuring head connecting rod, and the measuring head connecting rod is connected with the load cylinder in a sliding mode;

the watchcase is connected with the load cylinder and is wound on the outer side of the other end of the measuring head link rod;

the outer wall of the second gear is provided with fourth teeth, the second gear is rotationally connected with the watchcase, and the fourth teeth are meshed with the third teeth;

a fifth tooth is arranged on the outer wall of the third gear, the diameter of the third gear is larger than that of the second gear, and the third gear and the second gear rotate synchronously;

a sixth tooth is arranged on the outer wall of the fourth gear, the sixth tooth is meshed with the fifth tooth, and the diameter of the fourth gear is smaller than that of the third gear;

the connecting shaft sequentially penetrates through the watchcase and the fourth gear, and is rotatably connected with the watchcase;

the pointer is positioned on the outer side of the watch case, the pointer is sleeved on the outer side of the connecting shaft, and the pointer and the connecting shaft do not rotate relatively.

2. The novel rubber hardness detecting device according to claim 1, further comprising:

a fifth gear, wherein the outer wall of the fifth gear is provided with seventh teeth, the seventh teeth and the sixth teeth are meshed, and the fifth gear is rotationally connected with the watch case;

and one end of the torsional spring is connected with the fifth gear, and the other end of the torsional spring is connected with the watchcase.

3. The novel rubber hardness detecting device according to claim 1, wherein said case further comprises:

a housing;

the scale plate, the scale plate is followed the circumference of casing sets up, just the scale plate is located the pointer with between the casing.

4. The novel rubber hardness detecting device according to claim 3, wherein the probe link further includes:

the measuring rod penetrates through the load cylinder and the shell, and one end of the measuring rod is embedded into the measuring foot;

one end of the measuring head is hemispherical, the other end of the measuring head is connected with the measuring rod, and the measuring head is positioned in the measuring foot;

and the limiting pin is sleeved at the outer side of the other end of the measuring rod, and is attached to the side wall of the shell.

5. The novel rubber hardness detecting device according to claim 4, wherein the load drum further includes:

the sleeve is wound on the outer side of the measuring rod;

the main load is wound on the outer side of the measuring rod, the main load is embedded into the sleeve, and a gap exists between the main load and the sleeve as well as between the main load and the measuring rod;

the initial load is sleeved on the outer side of the measuring rod, and at least part of the initial load is embedded into the main load;

the upper cover is positioned between the main load and the shell, wound on the outer side of the measuring rod and connected with one end of the sleeve;

the lower cover is parallel to the upper cover, is wound on the outer side of the measuring rod and is connected with the other end of the sleeve.

6. The novel rubber hardness detecting device according to claim 5, further comprising:

the support plate is connected with the upper cover;

the support is perpendicular to the support plate, one end of the support is connected with the bottom surface of the support plate, and the other end of the support is connected with the top surface of the gear box;

and the bracket is simultaneously connected with the lower cover and the bottom surface of the gear box.

7. The novel rubber hardness detecting device according to claim 6, further comprising:

the limiting part is sleeved on the outer side of the foot measuring part, and the limiting part is attached to the lower cover.

8. The novel rubber hardness detecting device according to any one of claims 1 to 7, further comprising:

one end of the connecting shaft is connected with the first gear after the connecting shaft penetrates through the gear box, and the connecting shaft is rotationally connected with the gear box;

the hand wheel is located on the outer side of the gear box, the hand wheel is connected with the other end of the connecting shaft, and the hand wheel does not rotate relative to the connecting shaft.

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