CN216645822U - Knob switch life test machine - Google Patents
Knob switch life test machine Download PDFInfo
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- CN216645822U CN216645822U CN202123244420.9U CN202123244420U CN216645822U CN 216645822 U CN216645822 U CN 216645822U CN 202123244420 U CN202123244420 U CN 202123244420U CN 216645822 U CN216645822 U CN 216645822U
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Abstract
The utility model relates to the technical field of electric appliance manufacturing, in particular to a knob switch service life testing machine which comprises a base and a case, wherein the case is supported and fixed by four stand columns fixed at four corners of the base; the upper surface of the base is provided with a fixing device; a transmission device is arranged in the cavity of the case and connected with a transmission shaft penetrating through the bottom surface of the case; and a connecting block is fixed at the lower end of the transmission shaft and is connected with the clamping head. The knob switch service life testing machine can adapt to the knob angle of the knob switch to be any angle and can adapt to the knob switch with the knob position not in the center.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to a knob switch service life testing machine.
Background
Knob switches are common electrical equipment, and are used in daily life, mechanical equipment, electrical equipment, electronic equipment and the like.
The service life of the knob switch needs to be detected during production and processing; the knob switch is required to be continuously turned on and off until the knob switch is damaged; conventionally, the rotation angle of a rotary switch is mostly 90 degrees, and the rotary switch is mostly at the center position of the switch, but with the increase of various devices, the rotation angle of some rotary switches is not necessarily 90 degrees, and the rotary switch of some rotary switches is not necessarily arranged at the center, so that the original detection device needs to be improved.
Disclosure of Invention
The utility model provides a knob switch service life tester aiming at the market demands.
The technical scheme of the utility model is as follows: a life tester for a knob switch comprises a base and a case, wherein the case is supported and fixed by four stand columns fixed at four corners of the base; the upper surface of the base is provided with a fixing device; a transmission device is arranged in the cavity of the case and connected with a transmission shaft penetrating through the bottom surface of the case; and a connecting block is fixed at the lower end of the transmission shaft and is connected with the clamping head.
The front surface of the case is provided with a display panel and a switch button.
The fixing device comprises a stud which is screwed on the base, a supporting plate is sleeved at the upper end of the stud, and a locking nut is screwed at the lower end of the stud; a support column fixed on the base is arranged behind the stud, a cross beam is fixed in the middle of the support column, a transverse groove which is through from front to back is formed in the center of the cross beam, transverse arms which can move left and right along the transverse groove are arranged on the left side and the right side of the transverse groove respectively, a square block is arranged at the front end of each transverse arm, and a fixing plate is arranged on the front side of each square block; the rear end of the cross arm is sleeved with a fixing block, and a screw is screwed on the fixing block.
The transmission device comprises a gear connected with the transmission shaft, and a rack meshed with the gear is arranged in front of the gear; through grooves are respectively formed in the left side and the right side of the rack, connecting arms are respectively arranged in front of the left side and the right side of the rack, the connecting arms and the rack are fixed through bolts penetrating through the through grooves, and the bolts penetrating through the through grooves can move left and right along the through grooves; a cylinder capable of reciprocating is arranged between the two connecting arms, square transmission rods are respectively arranged at the left end and the right end of the cylinder, the transmission rods at the left end and the right end respectively penetrate through square holes at the front ends of the connecting arms at the left end and the right end, and the connecting arms and the transmission rods are fixed by screws arranged on the connecting arms; and air pipes communicated with the electromagnetic valves are respectively arranged at the left side and the right side of the air cylinder.
A sliding seat is arranged below the rack, a roller capable of rotating is arranged on the sliding seat, and the top surface of the roller is attached to the lower surface of the rack.
The rear end of the connecting arm is provided with a connecting seat, and the connecting seat is provided with a small hole which is communicated from front to back.
The clamping head comprises connecting plates fixed on two sides of the connecting block, two round holes are formed in the lower portion of each connecting plate, a screw rod is arranged in each round hole in a rotating mode, and two clamping plates are arranged on the portion, located between the two connecting plates, of each screw rod in a rotating mode.
The screw rod is including setting up in the bulge loop of intermediate position, and the left and right sides of bulge loop is provided with the ring groove, and the outside in the ring groove of the left and right sides is provided with left hand thread and right hand thread opposite in spiral direction respectively, and the outside of left hand thread and right hand thread is provided with the rotation axis respectively, and the outside of rotation axis is provided with square pivot respectively.
The utility model has the beneficial effects that: the knob switch service life testing machine can adapt to the knob angle of the knob switch to be any angle and can adapt to the knob switch with the knob position not in the center.
Drawings
Fig. 1 is a schematic structural diagram of a knob switch life tester.
Fig. 2 is a left side view schematic diagram of a structure of a knob switch life tester.
Fig. 3 is a schematic structural view of the fixing device.
Fig. 4 is a schematic diagram of the transmission structure.
Fig. 5 is a schematic diagram of the transmission structure.
Fig. 6 is a schematic view of a rack structure.
Fig. 7 is a schematic view of a connecting arm structure.
FIG. 8 is a schematic view of the structure of the clamping head.
Fig. 9 is a schematic view of a screw structure.
Detailed Description
The following describes an embodiment of the present invention in detail with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, a knob switch life tester includes a base 1 and a cabinet 2, wherein the cabinet 2 is supported and fixed by four pillars 3 fixed at four corners of the base 1; the upper surface of the base 1 is provided with a fixing device 4; a transmission device 5 is arranged in the cavity of the case 2, and the transmission device 5 is connected with a transmission shaft 6 penetrating through the bottom surface of the case 2; the lower end of the transmission shaft 6 is fixed with a connecting block 7, and the connecting block 7 is connected with a clamping head 8.
As shown in fig. 1 and 2, a display panel 21 and a switch button 22 are provided on the front surface of the housing 2.
The display panel 21 and the switch button 22 are electrically connected to the solenoid valve 58, respectively; the display panel 21 displays the number of times of reciprocation of the air cylinder 55, that is, the number of rotations of the transmission shaft 6 and the number of times of detection, and also displays the air pressure.
As shown in fig. 1, 2 and 3, the fixing device 4 includes a stud 41 screwed to the base 1, a support plate 42 is sleeved on an upper end of the stud 41, and a lock nut 43 is screwed on a lower end of the stud 41; a supporting column 44 fixed on the base 1 is arranged behind the stud 41, a cross beam 45 is fixed in the middle of the supporting column 44, a transverse groove 451 which penetrates in the front and back direction is formed in the center of the cross beam 45, cross arms 46 which can move left and right along the transverse groove 451 are respectively arranged on the left side and the right side of the transverse groove 451, a block 47 is arranged at the front end of each cross arm 46, and a fixing plate 48 is arranged on the front side of each block 47; a fixing block 49 is sleeved at the rear end of the cross arm 46, and a screw 491 is screwed on the fixing block 49.
Because the stud 41 can drive the support plate 42 to move up and down when rotating, and the left cross arm 46 and the right cross arm 46 can move left and right, the fixing device 4 can fix knob switches with various shapes, especially knob switches with knobs not in the center position.
The fixing block 49 can move back and forth along the rear end of the cross arm 46, and a screw 491 is screwed on the fixing block 49 for fixing the cross arm 46 on the cross beam 45.
As shown in fig. 4, 5, 6 and 7, the transmission device 5 includes a gear 51 connected to the transmission shaft 6, and a rack 52 engaged with the gear 51 is disposed in front of the gear 51; through grooves 521 are respectively formed in the left side and the right side of the rack 52, connecting arms 53 are respectively arranged in front of the left side and the right side of the rack 52, the connecting arms 53 are fixed with the rack 52 through bolts 54 penetrating through the through grooves 521, and the bolts 54 penetrating through the through grooves 521 can move left and right along the through grooves 521; a cylinder 55 capable of reciprocating is arranged between the two connecting arms 53, square transmission rods 56 are respectively arranged at the left end and the right end of the cylinder 55, the transmission rods 56 at the left end and the right end respectively penetrate through square holes 531 at the front ends of the connecting arms 53 at the left end and the right end, and the connecting arms 53 and the transmission rods 56 are fixed by screws 532 arranged on the connecting arms 53; air pipes 57 are respectively arranged at the left side and the right side of the air cylinder 55 and are communicated with electromagnetic valves 58.
A sliding seat 59 is arranged below the rack 52, a roller 591 capable of rotating is arranged on the sliding seat 59, and the top surface of the roller 591 is tightly attached to the lower surface of the rack 52.
The rear end of the connecting arm 53 is provided with a connecting seat 533, and the connecting seat 533 is provided with a small hole 534 penetrating in the front-back direction.
Bolts 54 pass through apertures 534 to secure the connecting arm 53 and rack 52.
The transmission device 5 is used for transmitting power to enable the transmission shaft 6 to rotate, and changing the rotation angle of the transmission shaft 6 so as to change the rotation angle of the knob during detection.
The rotation angle of the rotary switch is determined in product design, and the rotation angle of the rotary switch is mostly 90 degrees in the past, but the rotation angle of the rotary switch of some equipment is not necessarily 90 degrees at present, and the original design angle is how many degrees during detection, and the rotation angle of the detector is how many degrees.
The angle adjustment is realized in the transmission device 5; when the two connecting arms 53 are closed to the central position, the moving distance of the rack 52 is reduced, the rotating angle of the gear 51 is reduced, and the detection angle is also reduced; the left connecting arm 53 is moved leftward and the right connecting arm 53 is moved rightward, the moving distance of the rack 52 increases, the rotation angle of the gear 51 increases, and the detection angle also increases.
As shown in fig. 8 and 9, the clamping head 8 includes connecting plates 81 fixed on both sides of the connecting block 7, two round holes 811 are opened on the lower portion of the connecting plates 81, a screw 82 is screwed into the round holes 811, and two clamping plates 83 are screwed on the screw 82 at a position between the two connecting plates 81.
The screw 81 includes a convex ring 821 arranged at the middle position, ring grooves 822 are arranged at the left and right sides of the convex ring 821, a left thread 823 and a right thread 824 with opposite spiral directions are respectively arranged at the outer sides of the ring grooves 822 at the left and right sides, a rotating shaft 825 is respectively arranged at the outer sides of the left thread 823 and the right thread 824, and a square rotating shaft 826 is respectively arranged at the outer side of the rotating shaft 825.
The threads on the screw 82 are arranged in opposite directions, so that when the screw 82 is rotated, the two clamping plates 83 can be closed at the same time or separated at the same time, and the clamping function is completed.
The rotation shaft 825 is located at the position of the circular hole 811 of the connection plate 81.
The rotating shaft 826 is square so as to facilitate clamping by a wrench when the screw rod is rotated.
The above description is only a preferred embodiment of the present invention, and all equivalent substitutions and deductions made by those skilled in the art according to the above embodiments should fall within the scope of the present invention.
Claims (7)
1. The utility model provides a knob switch life-span testing machine which characterized in that: the device comprises a base and a case, wherein the case is supported and fixed by four upright posts fixed at four corners of the base; the upper surface of the base is provided with a fixing device; the fixing device comprises a stud which is screwed on the base, a supporting plate is sleeved at the upper end of the stud, and a locking nut is screwed at the lower end of the stud; a support column fixed on the base is arranged behind the stud, a cross beam is fixed in the middle of the support column, a transverse groove which is through from front to back is formed in the center of the cross beam, transverse arms which can move left and right along the transverse groove are arranged on the left side and the right side of the transverse groove respectively, a square block is arranged at the front end of each transverse arm, and a fixing plate is arranged on the front side of each square block; a fixed block is sleeved at the rear end of the cross arm, and a screw is screwed on the fixed block; a transmission device is arranged in the cavity of the case and connected with a transmission shaft penetrating through the bottom surface of the case; and a connecting block is fixed at the lower end of the transmission shaft and is connected with the clamping head.
2. The rotary switch life tester of claim 1, wherein: the front surface of the case is provided with a display panel and a switch button.
3. The rotary switch life tester of claim 1, wherein: the transmission device comprises a gear connected with the transmission shaft, and a rack meshed with the gear is arranged in front of the gear; through grooves are respectively formed in the left side and the right side of the rack, connecting arms are respectively arranged in front of the left side and the right side of the rack, the connecting arms and the rack are fixed through bolts penetrating through the through grooves, and the bolts penetrating through the through grooves can move left and right along the through grooves; a cylinder capable of reciprocating is arranged between the two connecting arms, square transmission rods are respectively arranged at the left end and the right end of the cylinder, the transmission rods at the left end and the right end respectively penetrate through square holes at the front ends of the connecting arms at the left end and the right end, and the connecting arms and the transmission rods are fixed by screws arranged on the connecting arms; and air pipes communicated with the electromagnetic valves are respectively arranged at the left side and the right side of the air cylinder.
4. The rotary switch life tester of claim 3, wherein: a sliding seat is arranged below the rack, a roller capable of rotating is arranged on the sliding seat, and the top surface of the roller is tightly attached to the lower surface of the rack.
5. The knob switch life tester according to claim 3, wherein: the rear end of the connecting arm is provided with a connecting seat, and the connecting seat is provided with a small hole which is communicated from front to back.
6. The rotary switch life tester of claim 1, wherein: the clamping head comprises connecting plates fixed on two sides of the connecting block, two round holes are formed in the lower portion of each connecting plate, a screw rod is arranged in each round hole in a rotating mode, and two clamping plates are arranged on the portion, located between the two connecting plates, of each screw rod in a rotating mode.
7. The rotary switch life tester of claim 6, wherein: the screw rod is including setting up in the bulge loop of intermediate position, and the left and right sides of bulge loop is provided with the ring groove, and the outside in the ring groove of the left and right sides is provided with left hand thread and right hand thread opposite in spiral direction respectively, and the outside of left hand thread and right hand thread is provided with the rotation axis respectively, and the outside of rotation axis is provided with square pivot respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123244420.9U CN216645822U (en) | 2021-12-22 | 2021-12-22 | Knob switch life test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123244420.9U CN216645822U (en) | 2021-12-22 | 2021-12-22 | Knob switch life test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645822U true CN216645822U (en) | 2022-05-31 |
Family
ID=81743129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123244420.9U Active CN216645822U (en) | 2021-12-22 | 2021-12-22 | Knob switch life test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645822U (en) |
-
2021
- 2021-12-22 CN CN202123244420.9U patent/CN216645822U/en active Active
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