CN213904391U

CN213904391U - Seven-section counter

Info

Publication number: CN213904391U
Application number: CN202120170050.XU
Authority: CN
Inventors: 张西宁; 王冰; 王晓东
Original assignee: Shaanxi science and technology museum
Current assignee: Shaanxi science and technology museum
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-08-06
Anticipated expiration: 2031-01-21

Abstract

The application relates to a seven-section counter which comprises a mounting rack, wherein a counting disc is rotatably connected to the mounting rack, a collecting shaft and a power shaft for driving the counting disc to rotate are further arranged on the mounting rack, a first driving gear is fixedly connected to the collecting shaft, a second driving gear is fixedly connected to the power shaft, and a toothed belt is coaxially sleeved on the first driving gear and the second driving gear; still be provided with on the mounting bracket and compress tightly the subassembly, compress tightly the subassembly and include the fixed plate, fixed plate one end and mount rigid coupling, other end rigid coupling has an articulated shaft, and the cover is equipped with a connecting plate on the articulated shaft, and the one end rigid coupling that the articulated shaft was kept away from to the connecting plate has a depression bar, and it has the pulling connecting plate to rotate and makes the extension spring that the depression bar compressed tightly the cingulum between connecting plate and the fixed plate to go back the rigid coupling, and the one end of articulated shaft is kept away from with the connecting plate to the one end of extension spring and is connected, and the one end that the articulated shaft was kept away from to the other end and fixed plate is connected. The counter has the effect of improving the counting accuracy of the counter.

Description

Seven-section counter

Technical Field

The application relates to the field of counters, in particular to a seven-segment counter.

Background

The counter is an instrument for recording the number of machine revolutions, the number of work operations, etc., and can be classified into an electronic counter and a mechanical counter according to the structure. The mechanical counter is simple in structure, stable in operation and free of extra power driving, and therefore the mechanical counter is widely applied to the fields of mines, spinning, assembly and the like.

The existing mechanical counter comprises a plurality of counting discs for displaying counting, wherein the counting discs are connected with each other through a speed regulating component in a fixed transmission ratio; the power shaft is used for driving the counting disc to rotate, the collecting shaft is used for collecting counting information, and the collecting shaft and the power shaft are mutually driven through a gear and a toothed belt. When the collecting shaft is driven by external force to rotate for one circle, the counting number of the counting disc is increased by 1.

For the convenience of installation, there often has certain clearance between toothed belt and the gear, and as the live time becomes longer, the toothed belt ageing and stretch gradually to lead to the clearance grow, and then lead to the cooperation between gear and the toothed belt not closely enough, the condition of easy emergence desdentation, thereby influence the accuracy of counter count.

SUMMERY OF THE UTILITY MODEL

In order to improve the counting accuracy of the counter, the application provides a seven-segment counter.

The application provides a seven section counters adopts following technical scheme:

a seven-section counter comprises a mounting frame, wherein a counting mechanism and a collecting mechanism used for collecting counting information are arranged on the mounting frame, the counting mechanism comprises a plurality of counting discs which are rotatably connected onto the mounting frame, numbers are uniformly distributed on the counting discs, the collecting mechanism comprises a collecting shaft used for collecting the counting information and a power shaft used for driving the counting discs to rotate, a first driving gear is coaxially and fixedly connected onto the collecting shaft, a second driving gear is coaxially and fixedly connected onto the power shaft, and a toothed belt is sleeved on the first driving gear and the second driving gear;

still be provided with on the mounting bracket and be used for making the cingulum closely cooperate with first drive gear and second drive gear compress tightly the subassembly, it includes the fixed plate to compress tightly the subassembly, fixed plate one end and mount rigid coupling, and other end rigid coupling has an articulated shaft, and the cover is equipped with a connecting plate on the articulated shaft, and the one end rigid coupling that the articulated shaft was kept away from to the connecting plate has a depression bar, still is provided with the pulling connecting plate between connecting plate and the fixed plate and rotates and make the extension spring that the depression bar compressed tightly the cingulum, and the one end that the articulated shaft was kept away from to the one end and the connecting plate of extension spring is connected, and the one end that the articulated shaft was kept away from to the other end and fixed plate is connected.

Through adopting above-mentioned technical scheme, the extension spring is in the state by tensile under natural state, and the elastic force drive connecting plate of extension spring rotates around the axial of articulated shaft this moment to make the depression bar press the toothed belt to the inboard bending of toothed belt, and then the toothed belt tightens up on first drive gear and second drive gear. Make the cooperation that can stabilize between gear and the tooth, improved toothed belt and first drive gear, driven stability and accuracy between the second drive gear have improved the accuracy of counter count.

Optionally, a pressing wheel is sleeved on the pressing rod, the pressing wheel is rotatably connected with the pressing rod, and the circumferential surface of the pressing wheel is mutually abutted to the toothed belt.

Through adopting above-mentioned technical scheme, the pinch roller is connected with the rotation of depression bar, has reduced the cingulum during operation, and the rotation of collection axle and power axle has been made things convenient for to the relative friction between cingulum and the depression bar.

Optionally, each rigid coupling in both ends of extension spring has a lantern ring, and the one end that the articulated shaft was kept away from to the fixed plate is provided with an installation pole, and the one end that the articulated shaft was kept away from to the connecting plate is provided with a dead lever, and two lantern rings of extension spring are established respectively on installation pole and dead lever.

Through adopting above-mentioned technical scheme, thereby two lantern rings are established respectively and are established on dead lever and installation pole and have made things convenient for the staff to ann tear open the change to the tension spring, have improved the convenience of operation.

Optionally, a mounting groove has been seted up on the dead lever is global, a fixed slot has been seted up on the dead lever is global, and two lantern rings that are located the extension spring both ends are blocked respectively and are established in mounting groove and fixed slot.

Through adopting above-mentioned technical scheme, two lantern rings are inlayed respectively and are established in fixed slot and mounting groove, have improved the stability that the extension spring was installed on dead lever and installation pole.

Optionally, the counting discs are provided with a plurality of counting discs, an adjusting gear set for enabling the two counting discs to rotate at different rotating speeds is arranged between two adjacent counting discs, the adjusting gear set comprises a first adjusting gear coaxially and fixedly connected to the end face of one counting disc, a second adjusting gear meshed with the first adjusting gear, a third adjusting gear coaxially and fixedly connected with the second adjusting gear, and a fourth adjusting gear meshed with the third adjusting gear, and the fourth adjusting gear is coaxially and fixedly connected to the end face of the other counting disc; when the counting discs rotate, the rotating speeds of the plurality of counting discs are reduced in sequence.

By adopting the technical scheme, the transmission ratio is controlled by the speed regulating gear set among the counting disks, so that after the counting disks with higher rotating speeds rotate for one circle, the reading number on the counting disk with higher adjacent rotating speeds is increased by one, thereby completing the carry function of the counter, enabling the counter to record the numerical value in a larger range, and improving the use convenience of the counter; and simultaneously, the overall space occupation of the counter is reduced.

Optionally, one side of the counting disc with the maximum rotating speed is provided with a transmission assembly, the transmission assembly comprises a first transmission gear coaxially fixedly connected to the end face of the counting disc with the maximum rotating speed, a second transmission gear is meshed with the first transmission gear, a first bevel gear is coaxially fixedly connected to the second transmission gear, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is coaxially fixedly connected to the power shaft.

Through adopting above-mentioned technical scheme, transmission assembly's setting is transmitted the epaxial rotation of power to the biggest counting disc of rotational speed to the counting disc rotates and carries out the count work, and transmission assembly simple structure, low in production cost is convenient for install and maintain.

Optionally, a counting plate is further fixedly connected to the mounting frame, a plurality of display windows are formed in the counting plate along the extending direction of the counting disc, and the display windows correspond to the counting disc one to one.

Through adopting above-mentioned technical scheme, the staff can observe the registration on the count dish through the count board to the convenience and the accuracy of counter reading have been improved.

Optionally, the outside of the counting mechanism is buckled with a protective cover made of organic glass.

Through adopting above-mentioned technical scheme, the safety cover is detained and is established in the counting mechanism outside to protect counting mechanism, reduced impurity such as dust and influenced the condition that the gear normally worked in getting into the gap between the gear.

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

1. the working stability of the counter is improved, and the arrangement of the pressing assembly enables the pressing wheel to press the toothed belt and the toothed belt to be tightly tightened on the first driving gear and the second driving gear, so that the working stability of the counter is improved;

2. through the mutual matching of the adjusting gear sets, the counter realizes the function of carry, thereby increasing the counting range of the counter and reducing the volume of the counter;

3. the counting board and the display window are arranged, so that convenience and accuracy of the user in reading the counter are improved.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a seven-segment counter according to an embodiment of the present application;

FIG. 2 is a schematic diagram showing the timing belt and hold-down assembly;

FIG. 3 is an enlarged view of detail A of FIG. 2 and embodies the hold-down assembly;

FIG. 4 is a schematic structural view embodying a transmission assembly;

FIG. 5 is a schematic diagram of a speed gearset.

Description of reference numerals: 1. a mounting frame; 11. a protective cover; 12. a collection axis; 13. a power shaft; 14. a counting plate; 141. displaying a window; 2. a fixed shaft; 21. a counting disc; 3. an adjusting gear set; 31. a first adjusting gear; 32. a second adjusting gear; 33. a third adjusting gear; 34. a fourth adjusting gear; 35. installing a shaft; 4. a synchronous belt; 41. a first drive gear; 42. a second drive gear; 43. a toothed belt; 5. a compression assembly; 50. a fixing plate; 151. hinging a shaft; 52. a connecting plate; 53. a pressure lever; 54. a pinch roller; 55. a tension spring; 551. a collar; 56. fixing the rod; 561. fixing grooves; 57. mounting a rod; 571. mounting grooves; 6. a transmission assembly; 61. a first drive gear; 62. a second transmission gear; 63. mounting an ear plate; 64. a first bevel gear; 65. a second bevel gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a seven-segment counter. Referring to fig. 1, the seven-segment counter includes a mounting bracket 1, and a collecting mechanism for collecting counting information and a counting mechanism for displaying the counting information are arranged on the mounting bracket 1. The outside of counting mechanism still covers and is equipped with a safety cover 11 that is used for protecting counting mechanism, and safety cover 11 is transparent organic glass material to the user can see inside counting mechanism's registration through safety cover 11.

The counting mechanism comprises a fixing shaft 2 horizontally and fixedly connected to the mounting frame 1, a plurality of counting discs 21 are axially sleeved on the fixing shaft 2 along the fixing shaft 2, and seven counting discs 21 are arranged in the embodiment. An adjusting gear set 3 for enabling the two adjacent counting discs 21 to rotate according to a fixed transmission ratio is arranged between the two adjacent counting discs 21. Through the sequential adjustment of the adjustment gear group 3, when the counting disks 21 rotate, the rotation speeds of the seven counting disks 21 are sequentially reduced in the axial direction of the fixed shaft 2. The seven counting disks 21 are named as a first-level counting disk and a second-level counting disk … … according to the rotating speed from large to small. The peripheral surface of the counting disc 21 is uniformly distributed with 0-9 Arabic numerals, and after one counting disc 21 rotates for a full circle, the number on the counting disc 21 at the higher level is increased by one.

In the embodiment, the counting disks 21 are decimal, that is, the lower counting disk 21 rotates one round to count for 10, and advances one to the adjacent upper counting disk 21, and the transmission ratio of the two adjacent counting disks 21 is 10: 1. In other embodiments of the present application, the counting disks 21 can be made into octal, dodecal, hexadecimal, etc. as required, and the transmission ratio of two corresponding adjacent counting disks 21 is set to 8:1, 12:1, 16:1, etc.

The acquisition mechanism comprises an acquisition shaft 12 and a power shaft 13, and the axial direction of the power shaft 13 and the axial direction of the acquisition shaft 12 are parallel to each other. A synchronous belt 4 is arranged on the acquisition shaft 12 and the power shaft 13 at the same time, the acquisition shaft 12 and the power shaft 13 are driven by the synchronous belt 4, a transmission assembly 6 is further arranged on the power shaft 13, and the transmission assembly 6 can drive the primary counting disc to rotate. And the transmission ratio of the acquisition shaft 12 to the primary counting disc is 10:1, and each time the acquisition shaft 12 rotates for one circle, the primary counting disc increases 1.

As shown in fig. 2 and 3, the timing belt 4 includes a first driving gear 41 coaxially fixed on the collecting shaft 12, and a second driving gear 42 coaxially fixed on the power shaft 13, wherein a toothed belt 43 is simultaneously sleeved on the first driving gear 41 and the second driving gear 42, and the toothed belt 43 is simultaneously meshed with the first driving gear 41 and the second driving gear 42. When the collecting shaft 12 rotates under the action of external force, the power shaft 13 is driven to rotate through the linkage action of the toothed belt 43. One side of the toothed belt 43 is further provided with a pressing component 5 for tightly meshing the toothed belt 43 with the first driving gear 41 and the second driving gear 42.

As shown in fig. 2 and 3, the pressing assembly 5 includes a fixing plate 50 having one end fixedly connected to the mounting frame 1, and the other end of the fixing plate 50 is fixedly connected to a hinge shaft 151, wherein the hinge shaft 151 is axially parallel to the collecting shaft 12. A connecting plate 52 is sleeved on the hinge shaft 151, a pressing rod 53 is fixedly connected to one end of the connecting plate 52 far away from the hinge shaft 151, and a pressing wheel 54 is rotatably connected to the pressing rod 53. A tension spring 55 is also disposed between the connecting plate 52 and the fixing plate 50, a fixing rod 56 is fixedly connected to an end of the fixing plate 50 away from the hinge shaft 151, and a mounting rod 57 is fixedly connected to an end of the connecting plate 52 away from the hinge shaft 151. Two ends of the tension spring 55 are respectively and fixedly connected with a collar 551, and the two collars 551 are respectively sleeved on the mounting rod 57 and the fixing rod 56. So that both ends of the tension spring 55 are connected to the fixing plate 50 and the connection plate 52, respectively. The fixing rod 56 further has a fixing groove 561 on the circumferential surface thereof, the mounting rod 57 has a mounting groove 571 on the circumferential surface thereof, the fixing groove 561 and the mounting groove 571 are both annular grooves, and the two collars 551 at the two ends of the tension spring 55 are respectively engaged in the mounting groove 571 and the fixing groove 561. (in the state shown in FIGS. 2 and 3, the collar 551 of the tension spring 55 is removed from the installation groove 571, so that the tension spring 55 is naturally tightened, and when the collar 551 is re-fitted into the installation groove 571, the tension spring 55 is in a stretched state.)

When the tension spring 55 is installed inside the fixing groove 561 and the installation groove 571, the tension spring 55 is in a stretched state, the elastic acting force of the tension spring 55 drives the connecting plate 52 to rotate, and the circumferential surface of the pressing wheel 54 is pressed on the outer ring side wall of the toothed belt 43, the toothed belt 43 is bent under the pressure of the pressing wheel 54 and is tightened on the first driving gear 41 and the second driving gear 42, so that the toothed belt 43 can be stably meshed with the first driving gear 41 and the second driving gear 42, and further, when the acquisition shaft 12 rotates, the synchronous belt 4 can stably and accurately transmit the rotation information to the power shaft 13, and the counting accuracy of the seven-segment counter is improved. The pinch roller 54 is rotatably connected with the pressure rod 53, so that the relative friction between the toothed belt 43 and the pressure rod 53 is reduced when the toothed belt 43 works, and the rotation of the acquisition shaft 12 and the power shaft 13 is facilitated. The collar 551 is embedded in the fixing groove 561 or the mounting groove 571 and is locked with the fixing groove 561 or the mounting groove 571, respectively, so that the stability of the tension spring 55 mounted on the fixing rod 56 and the mounting rod 57 is improved.

As shown in fig. 4, the transmission assembly 6 includes a first transmission gear 61 coaxially and fixedly connected to the first-stage counting plate, a second transmission gear 62 is engaged with the first transmission gear 61, a mounting lug 63 is fixedly connected to the fixing frame, the second transmission gear 62 is rotatably connected to the mounting lug 63, a first bevel gear 64 is further coaxially and fixedly connected to the second transmission gear 62, a second bevel gear 65 is engaged with the first bevel gear 64, and the second bevel gear 65 is coaxially and fixedly connected to the power shaft 13. When the power shaft 13 rotates, the power shaft 13 drives the second bevel gear 65, the first bevel gear 64, the second transmission gear 62 and the first transmission gear 61 to rotate in sequence, and the first transmission gear 61 drives the first-stage counting disc to rotate. Thereby performing the counting work.

As shown in fig. 5, six adjusting gear sets 3 are provided, each adjusting gear set 3 includes a first adjusting gear 31 and a fourth adjusting gear 34 disposed between two adjacent counting disks 21, the first adjusting gear 31 and the fourth adjusting gear 34 are coaxially and fixedly connected to opposite end surfaces of the two counting disks 21, the first adjusting gear 31 is engaged with a second adjusting gear 32, the fourth adjusting gear 34 is engaged with a third adjusting gear 33, and the second adjusting gear 32 and the third adjusting gear 33 are coaxially and fixedly connected. Still be provided with an installation axle 35 on the mounting bracket 1, second adjusting gear 32 and third adjusting gear 33 all overlap and establish on installation axle 35 to be connected with installation axle 35 is rotated. The reference circle radius of the first adjusting gear 31 is smaller than that of the second adjusting gear 32, the reference circle radius of the second adjusting gear 32 is larger than that of the third adjusting gear 33, and the reference circle radius of the third adjusting gear 33 is smaller than that of the fourth adjusting gear 34.

As shown in fig. 1, a counting plate 14 is fixedly connected to the mounting frame 1, seven display windows 141 are formed in the counting plate 14 along the axial direction of the fixed shaft 2, and the seven display windows 141 are respectively in one-to-one correspondence with the seven counting disks 21. The user can view the readings of the counting plate 21 through the display window 141 to facilitate accurate reading of the readings displayed by the counter.

The implementation principle of the seven-segment counter in the embodiment of the application is as follows: when the staff rotates the collection axle 12, through the transmission effect of hold-in range 4, power shaft 13 rotates along with collection axle 12, and then drives one-level counting disc through drive assembly 6 and rotates, and the regulation of rethread adjusting gear group 3 to make seven counting discs 21 rotate simultaneously. The user can read out the figure on the count dish 21 through the display window 141 on the count board 14, and every time the collection axle 12 rotates a week, the registration on the one-level count dish adds one, and every time when rotating a week on the one-level count dish, the registration on the second grade count dish adds one, analogizes in proper order to accomplish the count work.

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

Claims

1. A seven-segment counter, comprising: the counting device comprises an installation rack (1), wherein a counting mechanism and a collecting mechanism used for collecting counting information are arranged on the installation rack (1), the counting mechanism comprises a plurality of counting discs (21) which are rotatably connected to the installation rack (1), the counting discs (21) are uniformly distributed with numbers, the collecting mechanism comprises a collecting shaft (12) used for collecting the counting information and a power shaft (13) used for driving the counting discs (21) to rotate, a first driving gear (41) is coaxially and fixedly connected to the collecting shaft (12), a second driving gear (42) is coaxially and fixedly connected to the power shaft (13), and a toothed belt (43) is sleeved on the first driving gear (41) and the second driving gear (42) at the same time;

still be provided with on mounting bracket (1) and be used for making cingulum (43) and first drive gear (41) and second drive gear (42) closely cooperate compress tightly subassembly (5), it includes fixed plate (50) to compress tightly subassembly (5), fixed plate (50) one end and mount rigid coupling, the other end rigid coupling has an articulated shaft (151), the cover is equipped with a connecting plate (52) on articulated shaft (151), the one end rigid coupling that articulated shaft (151) were kept away from in connecting plate (52) has a depression bar (53), still be provided with pulling connecting plate (52) between connecting plate (52) and fixed plate (50) and rotate and make depression bar (53) with extension spring (55) that cingulum (43) compressed tightly, the one end of extension spring (55) is connected with connecting plate (52) the one end of keeping away from articulated shaft (151), the other end is connected with the one end that articulated shaft (151) was kept away from in fixed plate (50).

2. A seven-segment counter according to claim 1, wherein: the pressing rod (53) is sleeved with a pressing wheel (54), the pressing wheel (54) is rotatably connected with the pressing rod (53), and the circumferential surface of the pressing wheel (54) is mutually abutted to the toothed belt (43).

3. A seven-segment counter according to claim 1, wherein: two ends of the tension spring (55) are fixedly connected with a lantern ring (551) respectively, one end, far away from the hinged shaft (151), of the fixing plate (50) is provided with an installation rod (57), one end, far away from the hinged shaft (151), of the connecting plate (52) is provided with a fixing rod (56), and the two lantern rings (551) of the tension spring (55) are sleeved on the installation rod (57) and the fixing rod (56) respectively.

4. A seven-segment counter according to claim 3, wherein: the fixing rod (56) is provided with a mounting groove (571) on the circumferential surface thereof, a fixing groove (561) is provided on the circumferential surface of the fixing rod (56), and two lantern rings (551) at two ends of the tension spring (55) are respectively clamped in the mounting groove (571) and the fixing groove (561).

5. A seven-segment counter according to claim 1, wherein: the counting disc (21) is provided with a plurality of counting discs, an adjusting gear set (3) used for enabling the two counting discs (21) to rotate at different rotating speeds is arranged between every two adjacent counting discs (21), the adjusting gear set (3) comprises a first adjusting gear (31) coaxially and fixedly connected to the end face of one counting disc (21), a second adjusting gear (32) meshed with the first adjusting gear (31), a third adjusting gear (33) coaxially and fixedly connected with the second adjusting gear (32), and a fourth adjusting gear (34) meshed with the third adjusting gear (33), and the fourth adjusting gear (34) is coaxially and fixedly connected to the end face of the other counting disc (21); when the counting disc (21) rotates, the rotating speeds of the plurality of counting discs (21) are reduced in sequence.

6. The seven-segment counter of claim 5, wherein: the counting disc (21) with the maximum rotating speed is provided with a transmission assembly (6) on one side, the transmission assembly (6) comprises a first transmission gear (61) coaxially fixedly connected to the end face of the counting disc (21) with the maximum rotating speed, a second transmission gear is meshed on the first transmission gear (61), a first bevel gear (64) is coaxially fixedly connected to the second transmission gear, a second bevel gear (65) is meshed on the first bevel gear (64), and the second bevel gear (65) is coaxially fixedly connected with a power shaft (13).

7. A seven-segment counter according to claim 1, wherein: still the rigid coupling has count board (14) on mounting bracket (1), has seted up a plurality of display window (141) along the extending direction of count dish (21) on count board (14), display window (141) and count dish (21) one-to-one.

8. A seven-segment counter according to claim 1, wherein: the outside of the counting mechanism is buckled with a protective cover (11) made of organic glass.