CN113829634A - Mask ear belt detection system - Google Patents
Mask ear belt detection system Download PDFInfo
- Publication number
- CN113829634A CN113829634A CN202111191916.6A CN202111191916A CN113829634A CN 113829634 A CN113829634 A CN 113829634A CN 202111191916 A CN202111191916 A CN 202111191916A CN 113829634 A CN113829634 A CN 113829634A
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- rotating shaft
- mask
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8215—Tensile tests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
Abstract
The invention belongs to the field of mask detection, and relates to a mask ear belt detection system which comprises a shell, wherein a third rotating shaft is arranged at the upper end of the shell, a horizontal position control device is arranged on the third rotating shaft and used for controlling the position of an equipment working mechanism in the horizontal direction, a first sliding block cavity is arranged in the shell, a roller cavity is arranged in the shell, vertical position control devices are arranged in the first sliding block cavity and the roller cavity, and the vertical position control devices are used for changing the position of the working mechanism in the vertical direction. After the mask is manufactured, the mounting firmness degree of the mask ear bands is automatically detected, the mask can be automatically discharged into a corresponding subsequent processing device according to the detection result of the qualified or unqualified ear bands, the detection result of the mounting firmness degree of the mask ear bands is accurate, and the mask cannot be damaged.
Description
Technical Field
The invention belongs to the field of mask detection, and particularly relates to a mask ear belt detection system.
Background
In the use of gauze mask, the firm degree of gauze mask ear area installation is the determinacy factor whether gauze mask can normal use, but the gauze mask ear area that uses in actual production all is usually to have elastic belt, and mainly need fix the detection of the firm degree of fixed point on the gauze mask main part to it, such special requirement leads to being difficult to expand its detection achievement, current check out test set usually only roughly detects, the disconnection of ear area from the fixed point often can appear in commercial gauze mask leads to the user can't continue to use, because generally go out just need wear the gauze mask in public occasion, the user does not have unnecessary gauze mask usually and can supply the use, cause inconvenience for the user's trip, consequently need to have the device that the fixed firm degree of accurate detection ear area just can not harm the gauze mask.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a mask ear belt detection system which can automatically and accurately detect the firmness of the installation of a mask ear belt during mask production.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a gauze mask ear area detecting system, includes the casing, the casing upper end is equipped with the third pivot, be equipped with horizontal position control device in the third pivot, horizontal position control device is used for controlgear operating mechanism in the position of horizontal direction, be equipped with first slider chamber in the casing, be equipped with the roller chamber in the casing, first slider chamber with the roller intracavity is equipped with vertical position control device, and vertical position control device is used for changing the operating mechanism in the position of vertical direction, be equipped with the working chamber in the casing, be equipped with detection device in the working chamber, detection device is used for detecting the firm degree of welding of ear area, casing lower extreme front side is equipped with the third pivot, casing lower extreme rear side is equipped with qualified export.
Preferably, the horizontal position control device comprises a first motor fixed at the upper end of the rear side of the shell, the first motor is provided with a motor connecting rod in a rotating mode, the motor connecting rod is provided with a rotating shaft connecting rod in a rotating mode, the rotating shaft connecting rod is provided with a second connecting rod in a sliding and rotating mode, a third rotating shaft is provided with a third sliding block in a sliding mode, the third sliding block is provided with a second connecting rod in a sliding mode, the shell is provided with an opening in the middle of the third rotating shaft, and the second connecting rod extends into the first sliding block cavity from the shell opening.
Preferably, the vertical position control device comprises a first slider fixed at the lower end of the second connecting rod, a third rotating shaft is arranged in the first slider in a rotating mode, first rollers are fixedly arranged at two ends of the third rotating shaft, roller cavities are formed in two sides of the first slider cavity in the shell, and the two first rollers rotate in the roller cavities.
Preferably, detection device is including fixing in the casing the rack of working chamber lateral wall, first slider lower extreme rotates and is equipped with rotatory piece, the fixed gear that is equipped with in rotatory piece upper end, the gear with rack toothing, be equipped with the pulley chamber in the rotatory piece, rotatory piece is inherent the side respectively is equipped with a runner slider chamber around the pulley chamber lower extreme, rotatory piece is internal the side respectively is equipped with a second slider chamber, two the central point of keeping away from in the second slider chamber puts the slip and is equipped with the second slider, the second slider with rotatory piece is in second slider intracavity central wall is connected with the spring, the fixed first pivot that is equipped with in second slider upper end, first pivot upper end is rotated and is equipped with the band pulley.
Preferably, one the runner slider intracavity both sides are fixed and are equipped with the slide rail, two the slide rail upper end slides and is equipped with a fourth slider, the fourth slider internal rotation is equipped with a second pivot, second pivot lower extreme rotates and is equipped with the ear area and struts the wheel, second pivot upper end rotates and is equipped with the band pulley, rotatory piece is two the slide rail downside is equipped with the opening, the second pivot passes through rotatory piece opening stretch out to in the working chamber.
Preferably, two sliding rails are fixedly arranged on two sides in the cavity of the other rotating wheel sliding block, a second motor is arranged at the upper ends of the two sliding rails in a sliding manner, a second rotating shaft is rotationally arranged in the second motor, an ear belt opening wheel is rotationally arranged at the lower end of the second rotating shaft, the upper end of the second rotating shaft is rotatably provided with a belt wheel, the rotating block is provided with openings at the lower sides of the two slide rails, the second rotating shaft extends into the working cavity through the opening of the rotating block, the second motor and the rotating block are connected with a spring, the rotating block is fixedly provided with a contact switch at the position of the rotating wheel slide block cavity far away from the rotating center, four belt wheels in the belt wheel cavity are connected with a belt, the earlap struts and takes turns to and slides and is equipped with six push rods, six the push rod outside respectively fixedly is equipped with a circular arc shape concave plate, the push rod with the earlap struts the wheel and is connected with the spring.
The mask slides into the working cavity from the feed inlet and stands on the mask support, because the mask support is of two parallel strip structures, the ear belt of the mask is suspended, the first motor is started, the first motor drives the motor connecting rod to rotate, the motor connecting rod rotates to enable the rotating shaft connecting rod to simultaneously translate and rotate, the second connecting rod is limited by the forward force and only can translate by the third sliding block, the second connecting rod moves forward to drive the first sliding block to move forward, when the first roller rotates to the lowest position of the roller cavity, the first sliding block descends, the first sliding block drives the second sliding block cavity and the rotating block to descend to the lowest point, at the moment, the gear is just at the lowest meshing position of the rack, the descending rotating block enables the ear belt opening wheel to descend to a closed circle formed by the ear belts at two sides of the mask on the mask support, the second motor is started to rotate, the second motor drives the second rotating shaft at the other side to rotate through the belt wheel and the belt, two second pivots drive the ear strap and strut the wheel and rotate, the push rod is thrown away under the effect of centrifugal force, convex notch board and ear strap closely laminate, and the push rod still is in the state of continuously promoting along with the increase of second motor speed until second motor speed to the setting value, at this moment along with first motor rotation, the motor connecting rod makes the second connecting rod translate backward, first slider translates to the rear side, first slider of rolling first gyro wheel upwards lifting in the gyro wheel intracavity, wheel and rack are in the meshing always, the translation of first slider makes gear revolve, the gear drives the rotation of rotatory piece, receive centrifugal force to influence second motor and fourth slider to the translation of outside, two ear straps strut the wheel tensioning gauze mask.
If the quality of the mask ear belt is qualified, the mask ear belt cannot break or fall off from the mask main body at the moment, the second motor stops after the rotating block moves to the rearmost end, the rotating block does not rotate at the moment, centrifugal force disappears, the fourth sliding block and the second motor are pushed to the center of a rotating circle under the action of the spring, the push rod retracts the arc-shaped concave plate inwards under the action of the spring, the mask with qualified ear belt quality is sent out from a qualified outlet, if the quality of the mask ear belt is unqualified, the rotating block breaks before moving to the position above the qualified outlet, due to the lack of the tensile force of the mask on the opening wheels of the two ear belts, the fourth sliding block and the second motor move to the outermost side in the cavity of the runner sliding block under the action of the centrifugal force, the fourth sliding block touches the contact switch, the second motor stops immediately, the arc-shaped concave plate retracts, and due to the fact that the mask ear belt at the position without breaking is not subjected to the outward tensile force, the mask on the ear belt opening wheel falls off and is sent out from the third rotating shaft.
Compared with the prior art, this gauze mask earlap detecting system has following advantage:
1. the fixed firm degree of ear belt fixed point to each limit of each gauze mask that can be automatic accurate detects.
2. The gauze mask can not be damaged in the process of detection, and can be accurate classify according to the testing result with the gauze mask.
3. Simple structure, low operation and maintenance cost and is very suitable for the mask manufacturing industry with tiny profit of single commodity.
Drawings
Fig. 1 is a side sectional view of the structure of a mask ear band detection system.
Fig. 2 is a sectional view taken along a line a-a in fig. 1.
Fig. 3 is a schematic view of the structure of the rotating block.
Fig. 4 is a half sectional view of the rotary block.
Fig. 5 is an enlarged sectional view taken in the direction B-B of fig. 2.
In the figure, 10, the housing; 11. a first slider; 12. a first roller; 13. a rack; 14. rotating the block; 15. a pulley; 16. a pulley cavity; 17. a second slider; 18. a first slider cavity; 19. a first rotating shaft; 20. a gear; 21. A roller cavity; 22. a second slider cavity; 23. a push rod; 24. a second link; 25. a third slider; 26. a mask support; 27. a feeding port; 28. a working chamber; 29. a rotating shaft connecting rod; 30. a motor connecting rod; 31. a first motor; 32. a contact switch; 33. a runner slider cavity; 34. a slide rail; 35. an ear band opening wheel; 36. a second rotating shaft; 37. a fourth slider; 38. a second motor; 39. a belt; 40. a circular arc-shaped concave plate; 41. a chute; 42. A third rotating shaft; 43. qualified export; 44. and (7) an unqualified outlet.
Detailed Description
The following are specific embodiments of the present invention and further description of the technical solutions of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, a mask ear band detection system includes a casing 10, a third rotating shaft 42 is provided at the upper end of the casing 10, a horizontal position control device is provided on the third rotating shaft 42, the horizontal position control device is used for controlling the position of an equipment working mechanism in the horizontal direction, a first slider cavity 18 is provided in the casing 10, a roller cavity 21 is provided in the casing 10, vertical position control devices are provided in the first slider cavity 18 and the roller cavity 21, the vertical position control devices are used for changing the position of the working mechanism in the vertical direction, a working cavity 28 is provided in the casing 10, a detection device is provided in the working cavity 28, the detection device is used for detecting the welding firmness degree of an ear band, the third rotating shaft 42 is provided at the front side of the lower end of the casing 10, and a qualified outlet 43 is provided at the rear side of the lower end of the casing 10.
As shown in fig. 1 and 2, the horizontal position control device includes a first motor 31 fixed at the upper end of the rear side of the housing 10, the first motor 31 is rotatably provided with a motor link 30, the motor link 30 is rotatably provided with a pivot link 29, the pivot link 29 is slidably provided with a second link 24, a third pivot 42 is slidably provided with a third slider 25, the third slider 25 is slidably provided with a second link 24, the housing 10 is provided with an opening in the middle of the third pivot 42, and the second link 24 extends into the first slider cavity 18 from the opening of the housing 10.
As shown in fig. 1 and 2, the vertical position control device includes a first slider 11 fixed at the lower end of the second link 24, a third shaft 42 rotatably disposed in the first slider 11, first rollers 12 fixed at both ends of the third shaft 42, roller cavities 21 at both sides of a first slider cavity 18 in the housing 10, and two first rollers 12 rotatable in the roller cavities 21.
As shown in fig. 1, 2, 3 and 4, the detection device includes a rack 13 fixed on the sidewall of a working chamber 28 in the housing 10, a rotating block 14 is rotatably provided at the lower end of a first sliding block 11, a gear 20 is fixedly provided at the upper end of the rotating block 14, the gear 20 is engaged with the rack 13, a pulley chamber 16 is provided in the rotating block 14, a pulley chamber 33 is provided at each of the front and rear sides of the lower end of the pulley chamber 16 in the rotating block 14, a second sliding block chamber 22 is provided at each of the left and right sides of the lower end of the pulley chamber 16 in the rotating block 14, a second sliding block 17 is slidably provided in two second sliding block chambers 22 away from the center, springs are connected to the center walls of the second sliding block chambers 22 of the second sliding block 17 and the rotating block 14, a first rotating shaft 19 is fixedly provided at the upper end of the second sliding block 17, and a pulley 15 is rotatably provided at the upper end of the first rotating shaft 19.
As shown in fig. 2 and 4, two sliding rails 34 are fixedly arranged on two sides in a rotating wheel sliding block cavity 33, a fourth sliding block 37 is slidably arranged at the upper ends of the two sliding rails 34, a second rotating shaft 36 is rotatably arranged in the fourth sliding block 37, an ear band opening wheel 35 is rotatably arranged at the lower end of the second rotating shaft 36, a belt wheel 15 is rotatably arranged at the upper end of the second rotating shaft 36, an opening is arranged at the lower side of the two sliding rails 34 of the rotating block 14, and the second rotating shaft 36 extends into the working cavity 28 through the opening of the rotating block 14.
As shown in figure 2 of the drawings, in which, as shown in fig. 4 and 5, two sides in another rotating wheel slider cavity 33 are fixedly provided with slide rails 34, the upper ends of the two slide rails 34 are slidably provided with a second motor 38, a second rotating shaft 36 is rotatably provided in the second motor 38, the lower end of the second rotating shaft 36 is rotatably provided with an ear band opening wheel 35, the upper end of the second rotating shaft 36 is rotatably provided with a belt wheel 15, the lower side of the two slide rails 34 of the rotating block 14 is provided with an opening, the second rotating shaft 36 extends into the working cavity 28 through the opening of the rotating block 14, the second motor 38 and the rotating block 14 are connected with a spring, the rotating block 14 is fixedly provided with a contact switch 32 at a position far away from the rotating center in the rotating wheel slider cavity 33, four belt wheels 15 in the belt wheel cavity 16 are connected with belts 39, six push rods 23 are slidably provided in the ear band opening wheel 35, the outer sides of the six push rods 23 are respectively fixedly provided with an arc-shaped concave plate 40, and the push rods 23 and the ear band opening wheel 35 are connected with a spring.
The mask slides into the working cavity 28 from the material inlet 27 and stands on the mask support 26, because the mask support 26 is of two parallel strip structures, the mask ear belts are suspended, the first motor 31 is started, the first motor 31 drives the motor connecting rod 30 to rotate, the motor connecting rod 30 rotates to enable the rotating shaft connecting rod 29 to simultaneously translate and rotate, the second connecting rod 24 is limited by the forward force and only can translate by the third sliding block 25, the second connecting rod 24 moves forward to drive the first sliding block 11 to move forward, when the first roller 12 rotates to the lowest position of the roller cavity 21, the first sliding block 11 descends, the first sliding block 11 drives the second sliding block cavity 22 and the rotating block 14 to descend to the lowest point, at the moment, the gear 20 is just at the lowest meshing position of the rack 13, the descending rotating block 14 enables the ear belt opening wheel 35 to descend to a closed circle formed by the ear belts at two sides of the mask on the mask support 26, the second motor 38 is started to rotate, the second motor 38 drives the second rotating shaft 36 on the other side to rotate through the belt wheel 15 and the belt 39, the two second rotating shafts 36 drive the ear belt expanding wheel 35 to rotate, the push rod 23 is thrown out under the action of centrifugal force, the arc-shaped concave plate 40 is tightly attached to the ear belt, the push rod 23 is still in a state of continuous pushing out along with the increase of the rotating speed of the second motor 38 until the rotating speed of the second motor 38 reaches a set value, at the moment, along with the rotation of the first motor 31, the motor connecting rod 30 enables the second connecting rod 24 to translate backwards, the first sliding block 11 translates backwards, the first roller 12 rolling in the roller cavity 21 moves upwards to the first sliding block 11, the gear 20 and the rack 13 are always engaged, the translation of the first sliding block 11 enables the gear 20 to rotate, the gear 20 drives the rotating block 14 to rotate, the second motor 38 and the fourth sliding block 37 to translate outwards under the influence of the centrifugal force, two ear band spreader wheels 35 tension the mask.
If the quality of the ear belt of the mask is qualified, the ear belt of the mask cannot break or fall off from the mask body at the moment, the second motor 38 stops after the rotating block 14 moves to the rearmost end, the rotating block 14 does not rotate at the moment, centrifugal force disappears, the fourth sliding block 37 and the second motor 38 are pushed to the center of a rotating circle under the action of the spring, the push rod 23 retracts the arc-shaped concave plate 40 inwards under the action of the spring, the mask with qualified ear belt quality is sent out from the qualified outlet 43, if the quality of the ear belt of the mask is unqualified, the rotating block 14 breaks before moving to the position above the qualified outlet 43, due to lack of the tensile force of the mask on the two ear belt opening wheels 35, the fourth sliding block 37 and the second motor 38 move to the outermost side in the rotating wheel sliding block cavity 33 under the action of the centrifugal force, the fourth sliding block 37 touches the contact switch 32, the second motor 38 stops immediately, the arc-shaped concave plate 40 retracts, since the ear band of the mask without the break is not subjected to an outward tension, the mask on the ear band opening wheel 35 falls off and is discharged from the third rotating shaft 42.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A mask ear belt detection system comprises a shell (10) and is characterized in that a third rotating shaft (42) is arranged at the upper end of the shell (10), a horizontal position control device is arranged on the third rotating shaft (42) and used for controlling the position of a device working mechanism in the horizontal direction, a first slider cavity (18) is arranged in the shell (10), a roller cavity (21) is arranged in the shell (10), a vertical position control device is arranged in the first slider cavity (18) and the roller cavity (21) and used for changing the position of the working mechanism in the vertical direction, a working cavity (28) is arranged in the shell (10), a detection device is arranged in the working cavity (28) and used for detecting the welding firmness degree of an ear belt, and a third rotating shaft (42) is arranged on the front side of the lower end of the shell (10), and a qualified outlet (43) is formed in the rear side of the lower end of the shell (10).
2. The mask ear band detection system of claim 1, wherein: horizontal position control device is including fixing first motor (31) in casing (10) rear side upper end, first motor (31) rotate and are equipped with motor connecting rod (30), motor connecting rod (30) rotate and are equipped with pivot connecting rod (29), pivot connecting rod (29) slide and rotate and are equipped with second connecting rod (24), it is equipped with third slider (25) to slide on third pivot (42), it is equipped with second connecting rod (24) to slide in third slider (25), casing (10) are in be equipped with the opening in the middle of third pivot (42), second connecting rod (24) are followed casing (10) opening stretches into first slider chamber (18).
3. The mask ear band detection system of claim 2, wherein: the vertical position control device comprises a first sliding block (11) fixed to the lower end of a second connecting rod (24), a third rotating shaft (42) is arranged in the first sliding block (11) in a rotating mode, first rollers (12) are fixedly arranged at two ends of the third rotating shaft (42), roller cavities (21) on two sides of a first sliding block cavity (18) are formed in a shell (10), and the first rollers (12) rotate in the roller cavities (21).
4. The mask ear band detection system of claim 3, wherein: the detection device comprises a rack (13) fixed on the side wall of the working cavity (28) in the shell (10), a rotating block (14) is arranged at the lower end of the first sliding block (11) in a rotating mode, a gear (20) is fixedly arranged at the upper end of the rotating block (14), the gear (20) is meshed with the rack (13), a pulley cavity (16) is arranged in the rotating block (14), a rotating wheel sliding block cavity (33) is respectively arranged on the front side and the rear side of the lower end of the pulley cavity (16) in the rotating block (14), a second sliding block cavity (22) is respectively arranged on the left side and the right side of the lower end of the pulley cavity (16) in the rotating block (14), a second sliding block (17) is arranged in the two second sliding block cavities (22) in a mode of keeping away from the central position in a sliding mode, a spring is connected to the central wall of the second sliding block (17) and the rotating block (14) in the second sliding block cavity (22), and a first rotating shaft (19) is fixedly arranged at the upper end of the second sliding block (17), the upper end of the first rotating shaft (19) is rotatably provided with a belt wheel (15).
5. The mask ear band detection system of claim 4, wherein: one fixed slide rail (34) that is equipped with of both sides in runner slider chamber (33), two slide rail (34) upper end slides and is equipped with a fourth slider (37), fourth slider (37) internal rotation is equipped with a second pivot (36), second pivot (36) lower extreme rotates and is equipped with the ear area and struts wheel (35), second pivot (36) upper end is rotated and is equipped with band pulley (15), rotatory piece (14) are two slide rail (34) downside is equipped with the opening, second pivot (36) are passed through rotatory piece (14) opening stretch out to in working chamber (28).
6. The mask ear band detection system of claim 5, wherein: two sliding rails (34) are fixedly arranged on two sides in the rotating wheel sliding block cavity (33), a second motor (38) is arranged at the upper ends of the two sliding rails (34) in a sliding manner, a second rotating shaft (36) is arranged in the second motor (38) in a rotating manner, an ear belt opening wheel (35) is arranged at the lower end of the second rotating shaft (36) in a rotating manner, a belt wheel (15) is arranged at the upper end of the second rotating shaft (36) in a rotating manner, an opening is formed in the lower side of the two sliding rails (34) of the rotating block (14), the second rotating shaft (36) extends into the working cavity (28) through the opening of the rotating block (14), the second motor (38) and the rotating block (14) are connected with springs, a contact switch (32) is fixedly arranged at the position, far away from the rotating center, of the rotating wheel sliding block cavity (33) of the rotating wheel sliding block (14), and four belt belts (39) are connected between the belt wheels (15) in the belt wheel sliding block cavity (16), the ear belt opening wheel (35) is internally provided with six push rods (23) in a sliding manner, the outer sides of the push rods (23) are respectively fixedly provided with a circular arc-shaped concave plate (40), and the push rods (23) and the ear belt opening wheel (35) are connected with springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191916.6A CN113829634B (en) | 2021-10-13 | 2021-10-13 | Mask ear belt detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191916.6A CN113829634B (en) | 2021-10-13 | 2021-10-13 | Mask ear belt detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113829634A true CN113829634A (en) | 2021-12-24 |
| CN113829634B CN113829634B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111191916.6A Active CN113829634B (en) | 2021-10-13 | 2021-10-13 | Mask ear belt detection system |
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