CN113988250B - Mechanical pressing counter with misoperation prevention function - Google Patents
Mechanical pressing counter with misoperation prevention function Download PDFInfo
- Publication number
- CN113988250B CN113988250B CN202111243436.XA CN202111243436A CN113988250B CN 113988250 B CN113988250 B CN 113988250B CN 202111243436 A CN202111243436 A CN 202111243436A CN 113988250 B CN113988250 B CN 113988250B
- Authority
- CN
- China
- Prior art keywords
- button
- counting
- counter
- transmission
- locking block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/02—Housing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/04—Design features of general application for driving the stage of lowest order
- G06M1/06—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/28—Design features of general application for zeroising or setting to a particular value
- G06M1/34—Design features of general application for zeroising or setting to a particular value using reset shafts
- G06M1/36—Actuating means, e.g. magnet, spring, weight
Abstract
A mechanical pressing counter with misoperation prevention comprises a shell, a panel, a transmission shaft and a number wheel assembly, wherein the transmission shaft and the number wheel assembly are arranged in the shell; the transmission shaft drives the digital wheel assembly to rotate for counting when rotating and also comprises a transmission plate, a locking block, and a counting button and an unlocking button which are arranged on the panel; the transmission plate is arranged on the transmission shaft; when the counting button is pressed down, the counting button drives the transmission piece to rotate and drives the transmission shaft to rotate; a bayonet is arranged on the transmission plate; the locking block is arranged on the unlocking button; when the unlocking button is not pressed, the locking block is clamped on the bayonet; when the unlocking button is pressed, the locking block moves downwards and lets the bayonet open. When the mechanical pressing counter provided by the invention is used for counting, the counting button can be pressed down to perform counting operation after the unlocking button is pressed down, and if the counting button is independently operated, the counting operation can not be performed, so that misoperation can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of counting equipment, in particular to a mechanical pressing counter with misoperation prevention function.
Background
The mechanical counter is an accumulating counter. The traditional mechanical counter is divided into a roller type mechanical counter and a drawing type mechanical counter, has no misoperation prevention function, and is easy to cause counting errors due to false touch when counting operation is carried out.
Disclosure of Invention
The invention mainly aims to provide a mechanical pressing counter with misoperation prevention function, and aims to solve the technical problems.
In order to achieve the above purpose, the invention provides a mechanical pressing counter with misoperation prevention, which comprises a shell, a panel, a transmission shaft and a number wheel assembly, wherein the transmission shaft and the number wheel assembly are arranged in the shell; the transmission shaft drives the digital wheel assembly to rotate for counting when rotating and also comprises a transmission plate, a locking block, a counting button and an unlocking button which are arranged on the panel; the transmission plate is arranged on the transmission shaft;
when the counting button is pressed down, the counting button drives the transmission piece to rotate and drives the transmission shaft to rotate;
a bayonet is arranged on the transmission plate; the locking block is arranged on the unlocking button;
when the unlocking button is not pressed, the locking block is clamped on the bayonet;
when the unlocking button is pressed, the locking block moves downwards and lets the bayonet open.
Preferably, a shaped hole is arranged on the transmission plate; the counting button is provided with a first push rod, a pin shaft is arranged on the first push rod, and the pin shaft can slide in the hole.
Preferably, the locking block is connected with the unlocking button through a second push rod and a fixed pin; the second push rod is arranged below the unlocking button, and the locking block is arranged on the second push rod through the fixing pin.
Preferably, the number wheel assembly comprises a number wheel mounting shaft, an helical gear number wheel sleeved on the number wheel mounting shaft and a plurality of number wheels; limiting clamping rings are arranged between the helical gear number wheels and the number wheels and between two adjacent number wheels; the transmission shaft is provided with a driving wheel, and the driving wheel is connected with the helical tooth digital wheel through a crank shaft in a transmission way.
Preferably, a mounting frame is arranged inside the shell, and the digital wheel mounting shaft and the transmission shaft are mounted on the mounting frame.
Preferably, the device further comprises a clearing mechanism, wherein the clearing mechanism comprises: the zero clearing knob, the first gear and the second gear which are arranged in the shell and meshed with each other; the first gear is arranged at the end part of the digital wheel mounting shaft; the zero clearing knob passes through the side surface of the shell and is connected with the second gear; the zero clearing knob is flush with the side surface of the shell; and the clearance knob is sealed with the shell through a sealing ring.
Preferably, a gasket is sleeved on the digital wheel mounting shaft, and the gasket is located between the digital wheel and the inner wall of the mounting frame.
Preferably, a reading window is arranged on the panel, a transparent plate is arranged on the reading window, and the transparent plate is sealed with the panel through a sealing ring.
Preferably, a clamping table is arranged on the panel, the clamping table is matched with the opening part of the shell, and the clamping table and the opening part of the shell are sealed through a sealing ring.
Preferably, reset springs are respectively arranged in the counting button and the unlocking button; the panel and the counting button and the panel and the unlocking button are sealed by sealing rings.
The invention has the beneficial effects that: the mechanical pressing counter provided by the invention has the pressing counting function and the misoperation preventing function. When the transmission plate is not unlocked, the transmission plate is limited by the mode that the locking block is matched with the bayonet on the transmission plate, and the transmission plate is limited to rotate, so that the counting button cannot be pressed to count at the moment; the locking block is pushed to move downwards by pressing the unlocking button, and the bayonet is unlocked. When counting, the counting button can be pressed down to perform counting operation after the unlocking button is pressed down, and if the counting button is independently operated, the counting operation can not be performed, so that misoperation can be effectively prevented. In addition, the counter has good sealing performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a mechanical press counter with anti-mishandling according to the present invention;
FIG. 2 is a top view of a mechanical press counter with anti-mishandling according to the present invention;
FIG. 3 is a left side view of a mechanical compression counter with anti-mishandling according to the present invention;
FIG. 4 is a right side view of a mechanical press counter with anti-mishandling according to the present invention;
reference numerals illustrate: 100-unlock button; 101-a count button; 102-locking blocks; 103-a transmission plate; 1031-bayonet; 1032-type holes; 104-a pin shaft; 105-a first pushrod; 106-fixing pins; 107-a second pushrod; 108-a panel; 109-transparent plate; 200-a first gear; 201-a second gear; 202-a gasket; 203-a transmission shaft; 204-a drive wheel; 205-mounting rack; 206-helical gear number wheel; 207-limit collar; 208-crankshaft; 209-number wheel; 300-number wheel mounting shaft; 301-clearing a knob; 302-a housing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 and 3, an embodiment of a mechanical pressing counter with anti-misoperation is provided in the present invention, the counter includes a housing 302, a panel 108, a transmission shaft 203 disposed inside the housing 302, and a number wheel assembly; the transmission shaft 203 drives the counter assembly to rotate for counting when rotating, and is characterized in that: further includes a driving plate 103, a locking block 102, and a count button 101 and an unlocking button 100 provided on a panel 108; the driving plate 103 is mounted on the driving shaft 203, specifically, the driving plate 103 is sleeved at the left end of the driving shaft 203 and fastened by a screw; when the counting button 101 is pressed down, the counting button 101 drives the transmission piece 103 to rotate and drives the transmission shaft 103 to rotate;
a bayonet 1031 is provided on the transmission plate 103; the locking block 102 is provided on the unlocking button 100;
when the unlocking button 100 is not pressed, the locking block 102 is clamped on the bayonet 1031;
when the unlocking button 100 is pressed, the locking block 102 moves downwards and lets the bayonet 1031 open;
reset springs (not shown) are respectively arranged in the counting button 101 and the unlocking button 100; the space between the panel 108 and the count button 101 and the space between the panel 108 and the unlock button 100 are sealed by seal rings (not shown).
In this embodiment, as shown in fig. 3, a hole 1031 is provided in the driving plate 103; a first push rod 105 is disposed on the counting button 101, a pin 104 is disposed on the first push rod 105, the pin 104 can slide in the shaped hole 1031, and an E-shaped clamp spring (not shown in the figure) is disposed on the pin 104 to prevent the pin 104 from falling out of the shaped hole 1031. The shaped hole 1031 is inclined from the upper left to the lower right, when the counting button 101 is pressed down, the first push rod 105 and the pin 104 are pushed to move downwards together, and meanwhile, the pin 104 acts on the shaped hole 1031 and pushes the driving piece 103 to drive the driving shaft 203 to rotate anticlockwise (direction B in the figure).
In the present embodiment, as shown in fig. 3, the lock block 102 and the unlock button 100 are connected by a second push rod 107 and a fixing pin 106; the second push rod 107 is disposed below the unlocking button 100, and the locking block 102 is mounted on the second push rod 107 through the fixing pin 106; an E-shaped snap spring (not shown) is provided on the fixing pin 106 to prevent the locking block 102 from falling off.
In this embodiment, as shown in fig. 1, the number wheel assembly includes a number wheel mounting shaft 300, a skewed tooth number wheel 206 sleeved on the number wheel mounting shaft 300, and a plurality of number wheels 209; a limit collar 207 is arranged between the helical gear number wheel 206 and the number wheel 209 and between two adjacent number wheels 209; a driving wheel 204 is disposed on the transmission shaft 203, and the driving wheel 204 is in transmission connection with the helical gear 206 through a crankshaft 208.
In this embodiment, as shown in fig. 1, a mounting frame 205 is provided inside the housing 302, and the number wheel mounting shaft 300 and the transmission shaft 203 are mounted on the mounting frame 205; a washer 202 is sleeved on the number wheel mounting shaft 300, and the washer 202 is located between the number wheel 209 and the inner wall of the mounting frame 205.
In this embodiment, as shown in fig. 1 and fig. 4, the counter provided by the present invention further includes a clearing mechanism, where the clearing mechanism includes: a clear knob 301, and a first gear 200 and a second gear 201 which are disposed inside a housing 302 and engaged with each other; the first gear 200 is mounted at an end of the number wheel mounting shaft 300; the zero clearing knob 301 passes through the side surface of the housing 302 and is connected with the second gear 201; the zero clearing knob 301 is flush with the side surface of the shell 302, and a linear groove is arranged on the zero clearing knob 301; the clearance knob 301 is sealed with the housing 302 by a seal ring (not shown).
In this embodiment, as shown in fig. 1, a reading window 1081 is provided on the panel 108, a transparent plate 109 is provided on the reading window 1081, and a seal ring seals between the transparent plate 109 and the panel 108.
In this embodiment, as shown in fig. 1, a clamping table 1082 is provided on the panel 108, the clamping table 1082 is matched with the opening of the housing 302, and a sealing ring seals between the clamping table 1082 and the opening of the housing 302.
The working principle of the invention is as follows:
the counting working principle is as follows: as shown in fig. 1 and 3, after the unlocking button 100 is pressed, the reset spring inside the unlocking button 100 is compressed, and the unlocking button 100 drives to push the second push rod 107 and drive the locking block 102 to leave the bayonet 1031 on the driving plate 103, thereby realizing the unlocking function. At this time, the counting button 101 is pressed again, the reset spring in the counting button 101 is compressed, the first push rod 105 and the pin 104 are pushed to move downwards together, meanwhile, the pin 104 acts on the hole 1031 and pushes the transmission piece 103 to drive the transmission shaft 203 to rotate anticlockwise (direction B in fig. 3), and then the counter knob is driven to rotate by 40 degrees, the skewed tooth number wheel 206 in the counter rotates one grid, and the counter counts 1 time. When the pressing force of the unlocking button 100 and the counting button 101 is withdrawn, the unlocking button 100 and the counting button 101 move upwards under the action of the resilience force of the return spring, and return to the initial state, and the locking block 102 is clamped on the bayonet 1031 of the return moving plate 103, so that locking is realized. When an operator presses the count button 101, the locking block 102 is still locked on the bayonet 1031 of the driving piece 103, and cannot drive the driving piece 103 to rotate, so that a misoperation preventing function is realized.
Zero clearing working principle: as shown in fig. 1 and fig. 4, when an operator needs to clear the counter, the zero clearing knob 301 is rotated anticlockwise, at this time, the zero clearing knob 301 drives the second gear 201 to rotate, the second gear 201 rotates with the first gear 200, and the first gear 200 is connected with the counter zero clearing rotary rod, so that the zero clearing function is realized. When the zero clearing knob 301 is flush with the side surface of the shell 302, a flat screwdriver with the width smaller than 4mm and the thickness smaller than or equal to 1 mm can be used for torsion zero clearing, and meanwhile, the effect of preventing misoperation is achieved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (7)
1. A mechanical pressing counter with misoperation prevention comprises a shell (302), a panel (108), a transmission shaft (203) arranged inside the shell (302) and a number wheel assembly; the transmission shaft (203) drives the digital wheel assembly to rotate for counting when rotating, and is characterized in that: the device also comprises a transmission plate (103), a locking block (102) and a counting button (101) and an unlocking button (100) which are arranged on the panel (108);
the transmission plate (103) is arranged on the transmission shaft (203); when the counting button (101) is pressed down, the counting button (101) drives the transmission piece (103) to rotate and drives the transmission shaft (203) to rotate;
a bayonet (1031) is arranged on the transmission piece (103); the locking block (102) is arranged on the unlocking button (100);
when the unlocking button (100) is not pressed, the locking block (102) is clamped on the bayonet (1031);
when an unlocking button (100) is pressed, the locking block (102) moves downwards and opens the bayonet (1031);
still include zero clearing mechanism, zero clearing mechanism includes: a zero clearing knob (301), and a first gear (200) and a second gear (201) which are arranged inside the shell (302) and meshed with each other; the first gear (200) is mounted at the end of the digital wheel mounting shaft (300); the zero clearing knob (301) passes through the side surface of the shell (302) and is connected with the second gear (201); the zero clearing knob (301) is flush with the side surface of the shell (302); sealing between the zero clearing knob (301) and the shell (302) through a sealing ring;
a shaped hole (1032) is arranged on the transmission piece (103); a first push rod (105) is arranged on the counting button (101), a pin shaft (104) is arranged on the first push rod (105), and the pin shaft (104) can slide in the shaped hole (1032);
the locking block (102) is connected with the unlocking button (100) through a second push rod (107) and a fixed pin (106); the second push rod (107) is arranged below the unlocking button (100), and the locking block (102) is arranged on the second push rod (107) through the fixing pin (106);
after the unlocking button (100) is pressed, the reset spring in the unlocking button (100) is compressed, and the unlocking button (100) drives the second push rod (107) to be pushed and drives the locking block (102) to leave the bayonet (1031) on the driving plate (103), so that the unlocking function is realized; at the moment, the counting button (101) is pressed again, a reset spring in the counting button (101) is compressed, the first push rod (105) and the pin shaft (104) are pushed to move downwards together, meanwhile, the pin shaft (104) acts on the hole (1032) and pushes the transmission piece (103) and drives the transmission shaft (203) to rotate anticlockwise, the counter knob is driven to rotate for 40 degrees, the helical tooth number wheel (206) in the counter rotates for one grid, and the counter counts for 1 time; after the pressing force of the unlocking button (100) and the counting button (101) is withdrawn, the unlocking button (100) and the counting button (101) move upwards under the action of the resilience force of the return spring and return to the initial state, and the locking block (102) is clamped on the bayonet (1031) of the return sheet (103), so that locking is realized; when an operator presses the counting button (101), the locking block (102) is clamped on the bayonet (1031) of the transmission sheet (103) and cannot drive the transmission sheet (103) to rotate, so that the misoperation preventing function is realized;
when an operator needs to clear the counter, the zero clearing knob (301) is rotated anticlockwise, at this time, the zero clearing knob (301) drives the second gear (201) to rotate, the second gear (201) rotates with the first gear (200), and the first gear (200) is connected with the zero clearing rotary rod of the counter, so that the zero clearing function is realized.
2. A mechanical compression counter with anti-misoperation as claimed in claim 1, wherein: the digital wheel assembly comprises a digital wheel mounting shaft (300), and a helical digital wheel (206) and a plurality of digital wheels (209) sleeved on the digital wheel mounting shaft (300); a limit clamping ring (207) is arranged between the helical gear digital wheel (206) and the digital wheel (209) and between two adjacent digital wheels (209);
a driving wheel (204) is arranged on the transmission shaft (203), and the driving wheel (204) is in transmission connection with the helical gear digital wheel (206) through a crankshaft (208).
3. A mechanical compression counter with anti-misoperation as claimed in claim 2, characterised in that: a mounting frame (205) is arranged inside the shell (302), and the digital wheel mounting shaft (300) and the transmission shaft (203) are mounted on the mounting frame (205).
4. A mechanical compression counter with anti-misoperation as claimed in claim 3 wherein: a gasket (202) is sleeved on the digital wheel mounting shaft (300), and the gasket (202) is located between the digital wheel (209) and the inner wall of the mounting frame (205).
5. A mechanical compression counter with anti-misoperation as claimed in claim 1, wherein: a reading window (1081) is arranged on the panel (108), a transparent plate (109) is arranged on the reading window (1081), and the transparent plate (109) and the panel (108) are sealed through a sealing ring.
6. A mechanical compression counter with anti-misoperation as claimed in claim 1, wherein: a clamping table (1082) is arranged on the panel (108), the clamping table (1082) is matched with the opening part of the shell (302), and the clamping table (1082) and the opening part of the shell (302) are sealed through a sealing ring.
7. A mechanical compression counter with anti-misoperation as claimed in claim 1, wherein: reset springs are respectively arranged in the counting button (101) and the unlocking button (100); the panel (108) and the counting button (101) and the panel (108) and the unlocking button (100) are sealed by sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111243436.XA CN113988250B (en) | 2021-10-25 | 2021-10-25 | Mechanical pressing counter with misoperation prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111243436.XA CN113988250B (en) | 2021-10-25 | 2021-10-25 | Mechanical pressing counter with misoperation prevention function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113988250A CN113988250A (en) | 2022-01-28 |
| CN113988250B true CN113988250B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111243436.XA Active CN113988250B (en) | 2021-10-25 | 2021-10-25 | Mechanical pressing counter with misoperation prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113988250B (en) |
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| GB721383A (en) * | 1952-04-16 | 1955-01-05 | Veeder Root Ltd | Improvements in and relating to counting devices |
| DE2141386A1 (en) * | 1970-09-08 | 1972-07-06 | Veeder Industries Inc | Resettable counter |
| US4197452A (en) * | 1978-03-28 | 1980-04-08 | Tamura Electric Works, Ltd. | Counters reset to zero by push buttons |
| US4244515A (en) * | 1978-08-02 | 1981-01-13 | Hokuyo Automatic Co., Ltd. | Preset counter |
| GB8427445D0 (en) * | 1984-01-13 | 1984-12-05 | Meinecke Ag H | Counter mechanism |
| CN201804345U (en) * | 2010-09-21 | 2011-04-20 | 王鸿辉 | Counter |
| CN203458754U (en) * | 2013-07-19 | 2014-03-05 | 慈溪市康玛斯塑料制品厂 | Counting wrist developer |
| CN103835586A (en) * | 2012-11-22 | 2014-06-04 | 高瞩宇 | Mechanical logic device and mechanical numerical code input device and application thereof |
| DE102016106875A1 (en) * | 2016-04-13 | 2017-10-19 | Alfred Von Schuckmann | Hand-held device for dispensing a pharmaceutical substance and counter for such a hand-held device |
| CN107393357A (en) * | 2016-05-16 | 2017-11-24 | 爱德华·钱德瑞·苏庇亚多 | Learning device in finger ring |
| CN108853873A (en) * | 2018-06-29 | 2018-11-23 | 白健平 | A kind of exercise rope skipping |
| CN211906337U (en) * | 2020-06-10 | 2020-11-10 | 焦李艳 | Disinfection gel counter |
| CN112508160A (en) * | 2020-11-11 | 2021-03-16 | 中国航空工业集团公司洛阳电光设备研究所 | Anti-misoperation purely mechanical locking mechanism |
| CN113437430A (en) * | 2020-03-04 | 2021-09-24 | 广东博智林机器人有限公司 | Locking mechanical system and battery compartment |
-
2021
- 2021-10-25 CN CN202111243436.XA patent/CN113988250B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB721383A (en) * | 1952-04-16 | 1955-01-05 | Veeder Root Ltd | Improvements in and relating to counting devices |
| DE2141386A1 (en) * | 1970-09-08 | 1972-07-06 | Veeder Industries Inc | Resettable counter |
| US4197452A (en) * | 1978-03-28 | 1980-04-08 | Tamura Electric Works, Ltd. | Counters reset to zero by push buttons |
| US4244515A (en) * | 1978-08-02 | 1981-01-13 | Hokuyo Automatic Co., Ltd. | Preset counter |
| GB8427445D0 (en) * | 1984-01-13 | 1984-12-05 | Meinecke Ag H | Counter mechanism |
| CN201804345U (en) * | 2010-09-21 | 2011-04-20 | 王鸿辉 | Counter |
| CN103835586A (en) * | 2012-11-22 | 2014-06-04 | 高瞩宇 | Mechanical logic device and mechanical numerical code input device and application thereof |
| CN203458754U (en) * | 2013-07-19 | 2014-03-05 | 慈溪市康玛斯塑料制品厂 | Counting wrist developer |
| DE102016106875A1 (en) * | 2016-04-13 | 2017-10-19 | Alfred Von Schuckmann | Hand-held device for dispensing a pharmaceutical substance and counter for such a hand-held device |
| CN107393357A (en) * | 2016-05-16 | 2017-11-24 | 爱德华·钱德瑞·苏庇亚多 | Learning device in finger ring |
| CN108853873A (en) * | 2018-06-29 | 2018-11-23 | 白健平 | A kind of exercise rope skipping |
| CN113437430A (en) * | 2020-03-04 | 2021-09-24 | 广东博智林机器人有限公司 | Locking mechanical system and battery compartment |
| CN211906337U (en) * | 2020-06-10 | 2020-11-10 | 焦李艳 | Disinfection gel counter |
| CN112508160A (en) * | 2020-11-11 | 2021-03-16 | 中国航空工业集团公司洛阳电光设备研究所 | Anti-misoperation purely mechanical locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113988250A (en) | 2022-01-28 |
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