CN115855224B - Knob, weighing instrument applying knob and working method - Google Patents
Knob, weighing instrument applying knob and working method Download PDFInfo
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- CN115855224B CN115855224B CN202310168364.XA CN202310168364A CN115855224B CN 115855224 B CN115855224 B CN 115855224B CN 202310168364 A CN202310168364 A CN 202310168364A CN 115855224 B CN115855224 B CN 115855224B
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- 238000005303 weighing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 118
- 239000010687 lubricating oil Substances 0.000 claims abstract description 30
- 238000005461 lubrication Methods 0.000 claims abstract description 28
- 230000002265 prevention Effects 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 14
- 230000001050 lubricating effect Effects 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 38
- 230000006835 compression Effects 0.000 claims description 34
- 238000007906 compression Methods 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of testing, in particular to a knob, a weighing instrument applying the knob and a working method. The invention provides a knob, a linkage ring is rotatably arranged in a fixed sleeve, and the linkage ring is linked with a rotating column; the lubrication assembly is arranged in the fixed sleeve and is linked with the linkage ring; the overload prevention component is fixed on the inner wall of the linkage ring and is linked with the rotating column; when the rotating column is rotated in the circumferential direction, the rotating column is suitable for driving the linkage ring to synchronously rotate in the circumferential direction; the adjusting rod moves towards the opening and closing station of the linkage ring so as to squeeze the end part of the linkage ring, so that the lubricating component sprays lubricating oil towards the inner wall of the fixed sleeve; when the linkage ring circumferentially rotates to the point that the adjusting rod passes over the opening and closing station, the outer wall of the adjusting rod extrudes the overload prevention component to deform, and the rotating column is separated from the linkage ring in the process of continuously rotating the rotating column; in the deformation process of the overload prevention component, the lubricating component can automatically clean oil stains on the inner wall of the oil spraying port.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a knob, a weighing instrument applying the knob and a working method.
Background
The weighing instrument is suitable for an automobile dynamic weighing instrument. The method can be divided into: a wired weight measuring instrument and a wireless weight measuring instrument. The wired weight measuring instrument adopts a data line to connect and transmit data, and the wireless weight measuring instrument adopts a wireless transmitting module to transmit data. Wireless is accepted by a wide range of users in a more portable and humanized design.
The side wall of the weighing instrument is provided with a knob switch for turning on or off the weighing instrument, and the knob switch in the prior art can generate the condition that the knob is inconvenient to rotate due to oxidation after being used for a long time; when turning the knob switch, still can lead to the rotation dynamics too big because of operator's mistake, lead to the knob unable reset or fracture.
In some cases, the rotary switch also plays a role in adjusting the current in the weighing instrument, and the overlarge rotating force can cause overlarge current in the weighing instrument body, so that the weighing instrument body is damaged. It is therefore necessary to develop a knob, a weighing scale using the knob and a method of operation.
Disclosure of Invention
The invention aims to provide a knob.
In order to solve the above technical problems, the present invention provides a knob, comprising:
the device comprises a power supply, a rotating column, a fixed sleeve, a linkage ring, a lubricating assembly and an overload prevention assembly, wherein the inside of the fixed sleeve is hollow, and the rotating column is rotatably arranged in the fixed sleeve;
the power supply device is fixed at one end of the fixed sleeve, which is far away from the rotating column, an adjusting rod is movably arranged on the power supply device, the adjusting rod is inserted into the fixed sleeve, and the adjusting rod is in linkage with the linkage ring;
the linkage ring is rotatably arranged in the fixed sleeve, and is linked with the rotating column;
the lubrication assembly is arranged inside the fixed sleeve, the lubrication assembly is circumferentially arranged on the linkage ring, and the lubrication assembly is in linkage with the linkage ring;
the overload prevention component is fixed on the inner wall of the linkage ring and is linked with the rotating column; wherein,,
when the rotating column is rotated circumferentially, the rotating column is suitable for driving the linkage ring to synchronously rotate circumferentially;
the adjusting rod extrudes the end part of the linkage ring so that the lubricating component sprays lubricating oil to the direction of the inner wall of the fixed sleeve;
when the linkage ring circumferentially rotates to the point that the adjusting rod passes over the opening and closing station, the outer wall of the adjusting rod extrudes the overload prevention assembly to deform, and the rotating column is separated from the linkage ring in the process of continuously rotating the rotating column;
in the deformation process of the overload prevention assembly, the lubricating assembly can automatically clean oil stains on the inner wall of the oil spraying port.
Preferably, two open-close station grooves are symmetrically formed in the end part of the linkage ring, and the side wall of the adjusting rod abuts against the end wall of the linkage ring;
one side of the opening and closing station groove is provided with a compression air bag which is communicated with the lubricating component; wherein,,
when the linkage ring circumferentially rotates to the point that the adjusting rod slides into the opening and closing station groove from the end wall of the linkage ring, the adjusting rod extrudes the compression air bag to deform so as to pressurize the lubricating assembly.
Preferably, the lubrication assembly includes: the oil storage bin is circumferentially arranged on the linkage ring, lubricating oil is suitable for being stored in the oil storage bin, and the oil storage bin is communicated with the compression air bag;
the oil injection pipe is arranged on one side of the oil storage bin, which faces the fixed sleeve;
the linkage ring is provided with a sponge groove along the circumferential direction, the sponge ring is slidably arranged in the sponge groove, and the outer wall of the sponge ring is propped against the inner wall of the fixed sleeve;
the oil spray pipe faces the inner wall of the sponge ring; wherein,,
after the compression air bag is extruded, the compression air bag is suitable for pressurizing the oil storage bin, so that lubricating oil in the oil storage bin can be sprayed to the inner wall of the sponge ring.
Preferably, the overload prevention assembly includes: the positioning ring, the fixed block and the limiting block are vertically fixed at the end part of the rotating column, and the limiting block is linked with the fixed block;
the positioning ring is arranged inside the linkage ring, and the fixing block is fixed on the side wall of the positioning ring;
the outer wall of the adjusting rod is fixed with a protruding block, and the outer wall of the fixed block is provided with a groove matched with the protruding block; the groove is circumferentially arranged along the limiting block; wherein,,
after the linkage ring circumferentially rotates until the protruding block is inserted into the groove, the linkage ring continuously rotates, and the protruding block is suitable for extruding the fixed block and the positioning ring to deform;
after the adjusting rod is limited by the fixing block, the linkage ring is continuously rotated, so that the limiting block is separated from the end part of the fixing block.
Preferably, the groove is gradually increased from one side of the fixed block to the other side of the fixed block.
Preferably, the groove gradually decreases in depth from one side of the fixed block to the other side.
Preferably, the linkage ring is provided with a plurality of through holes along the radial direction;
a plurality of connecting rods are fixed on the outer wall of the positioning ring along the circumferential direction, penetrate through the through holes and are fixed on the inner wall of the sponge ring at the end parts; wherein,,
when the adjusting rod extrudes the positioning ring to deform downwards, the connecting rod is suitable for pulling the inner wall of the sponge ring to prop against the end part of the oil injection pipe.
Preferably, the oil spray pipe includes: the inner sleeve, the oil scraper ring and the regulating piece are arranged on the inner bottom wall of the sponge groove, and the oil outlet is communicated with the oil storage bin;
the inner sleeve is slidably arranged in the oil outlet hole and protrudes out of the bottom wall in the sponge groove;
the oil scraping ring is matched with the inner sleeve, and is suitable for scraping greasy dirt on the inner wall of the inner sleeve;
one end of the adjusting piece is fixed on the inner wall of the oil outlet, the other end of the adjusting piece is arranged in the inner sleeve, and the oil scraping ring is fixed at the upper end of the adjusting piece; wherein,,
when the compression air bag pressurizes the oil storage bin, lubricating oil in the oil storage bin is suitable for pushing up the adjusting piece and spraying the lubricating oil to the sponge ring;
when the positioning ring pulls the sponge ring to slide inwards, the inner wall of the sponge ring pushes the inner sleeve to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve can be scraped by the oil scraper ring.
The invention also provides a weighing instrument applying the knob, comprising: the sealing box is rectangular, the sealing box is hollow, the fixing sleeve is fixed in the sealing box, and one end of the rotating column protrudes out of the side wall of the sealing box;
the box door is hinged to the sealing box;
the fixing pieces are fixed on one side of the sealing box, which is far away from the box door, and the fixing pieces are suitable for being fixed on a wall body or equipment towards the sealing box.
Preferably, a display is arranged on the box door, and the display is suitable for displaying weighing data;
the lower end of the sealing box is fixedly provided with a plurality of sealing pipes, and a power line penetrates through the sealing pipes and is electrically connected with a power supply.
On the other hand, the invention also provides a working method of the weighing instrument using the knob, the rotating column is rotated to drive the linkage ring to synchronously rotate circumferentially, at the moment, the side wall of the adjusting rod is propped against the end wall of the linkage ring, along with the rotation of the linkage ring, the side wall of the adjusting rod is in a propped state against the bottom wall of the opening and closing station groove, and the adjusting rod is propped against different positions of the linkage ring, so that the opening and closing of the power supply can be adjusted;
in the process that the adjusting rod slides from the end part of the linkage ring to the opening and closing station groove, the side wall of the adjusting rod extrudes the compression air bag so that air in the compression air bag can pressurize the oil storage bin, lubricating oil in the oil storage bin is sprayed to the inner wall of the sponge ring through the oil spraying pipe, and the sponge ring can gradually coat the lubricating oil on the inner wall of the fixed sleeve, so that friction force among the rotating column, the linkage ring and the fixed sleeve is reduced;
when the force of the rotating column is overlarge, the linkage ring rotates circumferentially until the protruding block is inserted into the groove, the linkage ring continues to rotate, and the protruding block is suitable for extruding the fixed block and the positioning ring to deform;
after the adjusting rod is limited by the fixed block, continuing to rotate the linkage ring so as to separate the limiting block from the end part of the fixed block;
when the adjusting rod extrudes the positioning ring to deform downwards, the connecting rod is suitable for pulling the inner wall of the sponge ring to prop against the end part of the oil injection pipe;
when the positioning ring pulls the sponge ring to slide inwards, the inner wall of the sponge ring pushes the inner sleeve to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve can be scraped by the oil scraper ring.
The rotary knob has the beneficial effects that through the cooperation of the linkage ring, the lubrication assembly and the overload prevention assembly, in normal use, the adjusting rod of the power supply is linked with the linkage ring and extrudes the compression air bag, so that the lubrication assembly can lubricate the linkage ring, the rotation column and the fixed sleeve, and the friction force among the rotation column, the linkage ring and the fixed sleeve is reduced; and the overload prevention component is matched with the adjusting rod to realize the condition of preventing overload of the current of the power supply, so that the power supply can be effectively protected, and meanwhile, when the rotation force is overlarge, the positioning ring pulls the sponge ring to slide inwards, and the inner wall of the sponge ring pushes the inner sleeve to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve can be scraped by the oil scraper ring. Not only plays the effect of protecting equipment service life, but also can clear up the incomplete greasy dirt in the oil spout pipe export inner wall simultaneously, has improved work efficiency.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a preferred embodiment of a knob of the present invention;
FIG. 2 is an internal cross-sectional view of the stationary sleeve and the linkage ring of the present invention;
FIG. 3 is a cross-sectional view of the coupling ring and lubrication assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3A in accordance with the present invention;
FIG. 5 is a longitudinal cross-sectional view of the lubrication assembly of the present invention;
fig. 6 is a front view of the fuel injection pipe of the present invention;
FIG. 7 is a front view of the adjustment lever and the fixed block of the present invention;
FIG. 8 is a perspective view of a weighing scale of the present invention employing a knob;
fig. 9 is an internal perspective view of the seal box of the present invention.
In the figure:
1. a power supply; 10. an adjusting rod; 11. a protruding block;
2. rotating the column;
3. a fixed sleeve;
4. a linkage ring; 40. opening and closing the station groove; 41. compressing the air bag; 42. a sponge groove; 43. a through hole;
5. a lubrication assembly; 51. an oil storage bin;
52. an oil injection pipe; 521. an inner sleeve; 522. oil scraper rings; 523. an adjusting member;
53. a sponge ring;
6. an overload prevention assembly; 61. a positioning ring; 610. a connecting rod; 62. a fixed block; 620. a groove; 63. a limiting block;
7. a seal box; 71. a door; 73. a fixing piece; 74. a display; 75. sealing the tube.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In a first embodiment, as shown in fig. 1 to 7, the present invention provides a knob including: the power supply device comprises a power supply device 1, a rotating column 2, a fixed sleeve 3, a linkage ring 4, a lubricating assembly 5 and an overload prevention assembly 6, wherein the fixed sleeve 3 is hollow, and the rotating column 2 is rotatably arranged in the fixed sleeve 3; the power supply device 1 is fixed at one end of the fixed sleeve 3, which is far away from the rotating column 2, an adjusting rod 10 is movably arranged on the power supply device 1, the adjusting rod 10 is inserted into the fixed sleeve 3, and the adjusting rod 10 is linked with the linkage ring 4; the side wall of the adjusting rod 10 is propped against the side wall of the linkage ring 4, and when the linkage ring 4 rotates circumferentially, the adjusting rod 10 keeps a static state relative to the linkage ring 4; when the linkage ring 4 is rotated, the adjusting rod 10 can slide in a direction away from the power supply device 1, so that the effect of opening or closing the power supply device 1 is realized, and the effect of controlling the weighing instrument is realized.
The linkage ring 4 is rotatably arranged in the fixed sleeve 3, and the linkage ring 4 is in linkage with the rotating column 2; the linkage ring 4 with rotate post 2 joint is fixed, when the rotatory dynamics of rotation post 2 is too big, leads to the rotation range to surpass after the normal working range, rotate post 2 can follow inside breaking away from of linkage ring 4 to avoid linkage ring 4 to rotate the range too big, extrude regulation pole 10, lead to the condition emergence of regulation pole 10 deformation. The lubrication assembly 5 is arranged inside the fixed sleeve 3, the lubrication assembly 5 is circumferentially arranged around the linkage ring 4, and the lubrication assembly 5 is linked with the linkage ring 4; a lubrication assembly 5 is coupled to the adjustment lever 10, and the lubrication assembly 5 is adapted to spray lubrication oil between the coupling ring 4, the rotation post 2 and the fixed sleeve 3 to reduce friction.
The overload prevention component 6 is fixed on the inner wall of the linkage ring 4, and the overload prevention component 6 is in linkage with the rotating column 2; in a normal working state, the rotating column 2 is fixed with the linkage ring 4 through the overload prevention assembly 6, and when the rotating column 2 rotates circumferentially, the linkage ring 4 is driven to rotate circumferentially synchronously through the overload prevention assembly 6; when the rotating column 2 rotates circumferentially, the rotating column 2 is suitable for driving the linkage ring 4 to rotate circumferentially synchronously; the linkage ring 4 rotates circumferentially so as to enable the opening and closing station groove 40 to slide towards the adjusting rod 10, and the side wall of the adjusting rod 10 abuts against the bottom wall of the opening and closing station groove 40; the adjusting rod 10 presses the end part of the linkage ring 4 so that the lubricating component 5 sprays lubricating oil to the direction of the inner wall of the fixed sleeve 3; when the side wall of the adjusting rod 10 is propped against the bottom wall of the opening and closing station groove 40, the power supply 1 is in an opening and closing state at the moment; and the rotary column 2 is reversely rotated, the compression air bag 41 can guide the adjusting rod 10 to restore to the initial working position, and the power supply 1 is in a closed state at the moment.
When the linkage ring 4 rotates circumferentially until the adjusting rod 10 passes over the opening and closing station, the linkage ring 4 moves, and the adjusting rod 10 remains stationary; the outer wall of the adjusting rod 10 extrudes the overload prevention assembly 6 to deform, after the overload prevention assembly 6 deforms, the connecting gap between the overload prevention assembly 6 and the rotating column 2 becomes large, and the rotating column 2 is separated from the linkage ring 4 in the process of continuously rotating the rotating column 2; the power supply device 1 can be effectively protected by preventing the overload of the current of the power supply device 1; in the deformation process of the overload prevention component 6, the lubrication component 5 can automatically clean oil stains on the inner wall of the oil spraying port. When the rotation force is too large, the positioning ring 61 pulls the sponge ring 53 to slide inwards, and the inner wall of the sponge ring 53 pushes the inner sleeve 521 to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve 521 can be scraped by the oil scraper ring 522. Not only plays the effect of protecting equipment service life, but also can clean the residual greasy dirt in the inner wall of the outlet of the oil spray pipe 52, and improves the working efficiency.
In order to facilitate the linkage with the adjusting rod 10, two open-close station grooves 40 are symmetrically arranged at the end part of the linkage ring 4, two power supplies 1 are arranged, and one adjusting rod 10 corresponds to one open-close station groove 40; the side wall of the adjusting rod 10 is propped against the end wall of the linkage ring 4; a compression air bag 41 is arranged on one side of the opening and closing station groove 40, and the compression air bag 41 is communicated with the lubrication assembly 5; the compression air bag 41 is made of flexible materials, and the adjusting rod 10 is suitable for extruding the compression air bag 41 to deform; when the linkage ring 4 rotates circumferentially until the adjusting rod 10 slides into the opening and closing station groove 40 from the end wall of the linkage ring 4, the adjusting rod 10 extrudes the compression air bag 41 to deform, and after the compression air bag 41 is extruded and deformed, air in the compression air bag 41 is suitable for flowing to the lubrication assembly 5, so that lubricating oil in the lubrication assembly 5 is sprayed outwards.
To facilitate lubrication, the lubrication assembly 5 includes: the oil storage bin 51 is circumferentially arranged around the linkage ring 4, the oil storage bin 51 is suitable for storing lubricating oil, and the oil storage bin 51 is communicated with the compression air bag 41; a one-way valve is arranged in a channel of the oil storage bin 51 communicated with the compression air bag 41 so as to prevent lubricating oil from flowing into the compression air bag 41; the oil spray pipe 52 is arranged on one side of the oil storage bin 51 facing the fixed sleeve 3; the linkage ring 4 is provided with a sponge groove 42 along the circumferential direction, the sponge ring 53 is slidably arranged in the sponge groove 42, the end part of the oil spraying pipe 52 protrudes out of the side wall of the sponge groove 42, and the outer wall of the sponge ring 53 abuts against the inner wall of the fixed sleeve 3; the oil spray pipe 52 faces the inner wall of the sponge ring 53; after the compression air bag 41 is extruded, air in the compression air bag 41 is suitable for flowing to the oil storage bin 51, lubricating oil in the oil storage bin 51 is suitable for being sprayed to the sponge ring 53 through the oil spraying pipe 52, and the sponge ring 53 is made of flexible oil absorbing materials; during the circumferential rotation of the sponge ring 53 with the link ring 4, the sponge ring 53 is adapted to apply lubricating oil to the inner wall of the stationary sleeve 3 to reduce friction between the stationary sleeve 3 and the link ring 4 and the rotation post 2.
To prevent overload, the overload prevention assembly 6 includes: the positioning ring 61, the fixed block 62 and the limiting block 63, wherein the limiting block 63 is vertically fixed at the end part of the rotating column 2, and the limiting block 63 is linked with the fixed block 62; the outer wall of the end part of the limiting block 63 is provided with a protruding block, and the protruding block is clamped and fixed with the end wall of the fixed block 62, so as to fix the fixed block 62 and the limiting block 63.
The linkage ring 4 is provided with a plurality of through holes 43 along the radial direction; a plurality of connecting rods 610 are fixed on the outer wall of the positioning ring 61 along the circumferential direction, and the connecting rods 610 penetrate through the through holes 43 and the end parts of the connecting rods are fixed on the inner wall of the sponge ring 53; the outer diameter of the connecting rod 610 is smaller than the inner diameter of the through hole 43; when the adjusting rod 10 presses the positioning ring 61 to deform downwards, the connecting rod 610 is suitable for pulling the inner wall of the sponge ring 53 to prop against the end part of the oil spraying pipe 52.
The positioning ring 61 is arranged inside the linkage ring 4, the positioning ring 61 is made of flexible materials, and the fixing block 62 is fixed on the side wall of the positioning ring 61; and a dislocation groove is formed on the fixed block 62; a protruding block 11 is fixed on the outer wall of the adjusting rod 10, and the adjusting rod 10 is arranged between the linkage ring 4 and the fixed block 62; the outer wall of the fixed block 62 is provided with a groove 620 matched with the protruding block 11; the groove 620 is circumferentially arranged along the limiting block 63; the groove 620 is formed to have a groove horizontal height gradually increasing from one side of the fixing block 62 to the other side. The groove 620 has a gradually decreasing depth from one side of the fixing block 62 to the other side. I.e., the depth gradually decreases and the horizontal height gradually increases as the groove 620 extends from one side of the fixing block 62 to the other side. In the process of circumferential rotation of the linkage ring 4, the convex blocks 11 squeeze the fixed blocks 62 to deform; the fixing block 62 slides downwards and contracts towards the axis of the positioning ring 61, in the process of sliding and contracting the fixing block 62 downwards, the gap between the protruding block and the end wall of the fixing block 62 is increased, so that the clamping relationship between the protruding block and the fixing block 62 is in a loose state, the fixing block 62 cannot continue to rotate after the outer wall of the fixing block 62 is limited by the side wall of the adjusting rod 10, at the moment, the rotating column 2 continues to rotate, so that the rotating column 2 rotates to a dislocation groove relative to the fixing block 62, at the moment, the limiting block 63 is separated from the fixing block 62, and therefore, the phenomenon that the power supply 1 is overloaded due to current after the rotating column 2 is avoided, the effect of protecting the power supply 1 is achieved, meanwhile, the rotating column 2 is separated from the linkage ring 4, excessive rotating force can be avoided, and the connecting fixing device between the rotating column 2 and the linkage ring 4 is damaged. Wherein, after the linkage ring 4 rotates circumferentially until the protruding block 11 is inserted into the groove 620, the linkage ring 4 continues to rotate, and the protruding block 11 is suitable for pressing the fixing block 62 and the positioning ring 61 to deform; after the adjusting rod 10 is limited by the fixing block 62, the linkage ring 4 continues to rotate, so that the limiting block 63 is separated from the end part of the fixing block 62.
To facilitate cleaning of oil, the oil spray bar 52 includes: an inner sleeve 521, an oil scraper ring 522 and an adjusting member 523, wherein an oil outlet hole is formed in the inner bottom wall of the sponge groove 42, and the oil outlet hole is communicated with the oil storage bin 51; the inner sleeve 521 is slidably disposed in the oil outlet hole, and the inner sleeve 521 protrudes from the inner bottom wall of the sponge groove 42; the outer diameter of the positioning ring 61 is smaller than the inner diameter of the linkage ring 4; when the sponge ring 53 is pulled by the connecting rod 610 to move towards the positioning ring 61, the lower end of the sponge ring 53 slides obliquely inwards, so that the contact surface between the inner wall of the sponge ring 53 and the end wall of the inner sleeve 521 presents an inclined surface, i.e. the sponge ring 53 is not completely covered on the outer end wall of the inner sleeve 521; the sponge ring 53 is adapted to press the inner sleeve 521 such that the inner sleeve 521 slides into the oil outlet hole; the oil scraper ring 522 is matched with the inner sleeve 521, and the oil scraper ring 522 is suitable for scraping greasy dirt on the inner wall of the inner sleeve 521; one end of the adjusting piece 523 is fixed on the inner wall of the oil outlet, the other end of the adjusting piece 523 is arranged in the inner sleeve 521, and the oil scraper ring 522 is fixed on the upper end of the adjusting piece 523; the adjusting piece 523 is made of flexible materials, the adjusting piece 523 is funnel-shaped, and in an initial state, a connecting point in the middle of the adjusting piece 523 is in a closed state; when the pressure in the oil reservoir 51 increases and the lubricating oil flows toward the inner sleeve 521, the lubricating oil is adapted to push the regulating member 523 to be in an open state so that the lubricating oil can be sprayed toward the inner wall of the sponge ring 53 through the regulating member 523; wherein, when the compression air bag 41 pressurizes the oil storage bin 51, the lubricating oil in the oil storage bin 51 is suitable for pushing the adjusting piece 523 to be in an open state so that the lubricating oil can be sprayed to the sponge ring 53; the protruding block 11 presses the fixed block 62 to deform; so that the fixed block 62 slides downwards and contracts towards the axis of the positioning ring 61, the fixed block 62 slides downwards, the positioning ring 61 is pressed to slide downwards synchronously, and the positioning ring 61 pulls the sponge ring 53 to slide inwards in the direction of the inner sleeve 521 through the connecting rod 610; the inner wall of the sponge ring 53 pushes the inner sleeve 521 to shrink inwards, so that the oil scraper ring 522 can scrape oil stains on the inner wall of the inner sleeve 521. In the process that the sponge ring 53 coats the inner wall of the fixed sleeve 3 with lubricating oil, redundant oil stains are formed on the sponge ring 53 and can drop into the inner sleeve 521, and the inner sleeve 521 slides towards the direction of the oil storage bin 51 in a shrinkage manner, so that the oil wiper ring 522 can clean the residual oil stains on the inner wall of the inner sleeve 521, the blockage of the residual oil stains is avoided, and the oil storage bin 51 is affected to spray lubricating oil outwards.
In a second embodiment, as shown in fig. 8 and fig. 9, the present embodiment further provides a weighing instrument using a knob on the basis of the first embodiment, where the weighing instrument includes a knob as described in the first embodiment, and the specific structure is the same as that of the first embodiment, and is not described herein again, and a specific weighing instrument using a knob is as follows:
the weighing instrument using the knob includes: the sealing box 7 is rectangular, the sealing box 7 is hollow, the fixing sleeve 3 is fixed in the sealing box 7, and one end of the rotating column 2 protrudes out of the side wall of the sealing box 7; an electric control unit electrically connected with the weighing instrument is arranged in the sealing box 7, and the weighing instrument is controlled to be opened or closed by rotating the rotating column 2; the box door 71 is suitable for sealing the sealing box 7, the sealing box 7 is a waterproof box, and the box door 71 is hinged on the sealing box 7; a plurality of fixing pieces 73 are fixed to a side of the sealing box 7 away from the box door 71, and the fixing pieces 73 are adapted to be fixed to a wall or equipment toward the sealing box 7. The box door 71 is provided with a display 74, and the display 74 is suitable for displaying weighing data; the lower end of the sealing box 7 is fixed with a plurality of sealing pipes 75, and a power line passes through the sealing pipes 75 and is electrically connected with the power supply 1. The sealing tube 75 is arranged, water on the outer wall of the power line can be placed to enter the sealing box 7 along the power line, and the sealing tube 75 has the effects of connecting the power line and isolating water.
An embodiment three, the present embodiment further provides a working method of a weighing instrument using a knob on the basis of the embodiment two, including a weighing instrument using a knob as described in the embodiment two, and the specific structure is the same as that of the embodiment two, and the working method of a weighing instrument using a knob is not described here again, specifically as follows:
the rotating column 2 is rotated to drive the linkage ring 4 to synchronously and circumferentially rotate, at the moment, the side wall of the adjusting rod 10 is propped against the end wall of the linkage ring 4, along with the rotation of the linkage ring 4, the side wall of the adjusting rod 10 is propped against the bottom wall of the opening and closing station groove 40, and the adjusting rod 10 is propped against different positions of the linkage ring 4, so that the opening and closing of the power supply 1 can be adjusted;
in the process that the adjusting rod 10 slides from the end part of the linkage ring 4 to the opening and closing station groove 40, the side wall of the adjusting rod 10 presses the compression air bag 41, so that air in the compression air bag 41 can be pressurized into the oil storage bin 51, lubricating oil in the oil storage bin 51 is sprayed to the inner wall of the sponge ring 53 through the oil spraying pipe 52, and the sponge ring 53 can gradually coat the lubricating oil on the inner wall of the fixed sleeve 3, so that friction among the rotating column 2, the linkage ring 4 and the fixed sleeve 3 is reduced;
when the force of the rotating column 2 is too large, the linkage ring 4 rotates circumferentially until the protruding block 11 is inserted into the groove 620, the linkage ring 4 continues to rotate, and the protruding block 11 is suitable for pressing the fixing block 62 and the positioning ring 61 to deform;
after the adjusting rod 10 is limited by the fixing block 62, continuing to rotate the linkage ring 4 so as to separate the limiting block 63 from the end part of the fixing sleeve 3;
when the adjusting rod 10 presses the positioning ring 61 to deform downwards, the connecting rod 610 is suitable for pulling the inner wall of the sponge ring 53 to prop against the end part of the oil spraying pipe 52;
when the positioning ring 61 pulls the sponge ring 53 to slide inwards, the inner wall of the sponge ring 53 pushes the inner sleeve 521 to shrink inwards, so that the oil scraper ring 522 can scrape oil stains on the inner wall of the inner sleeve 521.
The above-described preferred embodiments according to the present invention are intended to suggest that, in view of the above description, various changes and modifications may be made by the worker in question without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. A knob, comprising:
the device comprises a power supply (1), a rotating column (2), a fixed sleeve (3), a linkage ring (4), a lubricating assembly (5) and an overload prevention assembly (6), wherein the inside of the fixed sleeve (3) is hollow, and the rotating column (2) is rotatably arranged in the fixed sleeve (3);
the power supply device (1) is fixed at one end of the fixed sleeve (3) far away from the rotating column (2), an adjusting rod (10) is movably arranged on the power supply device (1), the adjusting rod (10) is inserted into the fixed sleeve (3), and the adjusting rod (10) is linked with the linkage ring (4);
the linkage ring (4) is rotatably arranged in the fixed sleeve (3), and the linkage ring (4) is linked with the rotating column (2);
the lubrication assembly (5) is arranged inside the fixed sleeve (3), the lubrication assembly (5) is circumferentially arranged around the linkage ring (4), and the lubrication assembly (5) is linked with the linkage ring (4);
the overload prevention assembly (6) is fixed on the inner wall of the linkage ring (4), and the overload prevention assembly (6) is linked with the rotating column (2); wherein,,
when the rotating column (2) is rotated circumferentially, the rotating column (2) is suitable for driving the linkage ring (4) to synchronously rotate circumferentially;
the adjusting rod (10) presses the end part of the linkage ring (4) so that the lubricating component (5) sprays lubricating oil to the inner wall direction of the fixed sleeve (3);
when the linkage ring (4) circumferentially rotates to the point that the adjusting rod (10) passes through the opening and closing station, the overload prevention assembly (6) is extruded by the outer wall of the adjusting rod (10) to deform, and the rotation column (2) is separated from the linkage ring (4) in the process of continuously rotating the rotation column (2);
in the deformation process of the overload prevention assembly (6), the lubrication assembly (5) can automatically clean oil stains on the inner wall of the oil injection port;
two open-close station grooves (40) are symmetrically formed in the end part of the linkage ring (4), and the side wall of the adjusting rod (10) abuts against the end wall of the linkage ring (4);
one side of the opening and closing station groove (40) is provided with a compression air bag (41), and the compression air bag (41) is communicated with the lubrication assembly (5); wherein,,
when the linkage ring (4) circumferentially rotates to the point that the adjusting rod (10) slides into the opening and closing station groove (40) from the end wall of the linkage ring (4), the adjusting rod (10) extrudes the compression air bag (41) to deform so as to pressurize the lubricating assembly (5);
the lubrication assembly (5) comprises: the oil storage bin (51), the oil injection pipe (52) and the sponge ring (53), wherein the oil storage bin (51) is circumferentially arranged around the linkage ring (4), the oil storage bin (51) is internally suitable for storing lubricating oil, and the oil storage bin (51) is communicated with the compression air bag (41);
the oil injection pipe (52) is arranged at one side of the oil storage bin (51) facing the fixed sleeve (3);
the linkage ring (4) is provided with a sponge groove (42) along the circumferential direction, the sponge ring (53) is slidably arranged in the sponge groove (42), and the outer wall of the sponge ring (53) is propped against the inner wall of the fixed sleeve (3);
the oil spray pipe (52) faces the inner wall of the sponge ring (53); wherein,,
after the compression air bag (41) is extruded, the compression air bag is suitable for pressurizing the oil storage bin (51) so that lubricating oil in the oil storage bin (51) can be sprayed to the inner wall of the sponge ring (53);
the overload prevention assembly (6) comprises: the positioning ring (61), the fixed block (62) and the limiting block (63), wherein the limiting block (63) is vertically fixed at the end part of the rotating column (2), and the limiting block (63) is linked with the fixed block (62);
the positioning ring (61) is arranged inside the linkage ring (4), and the fixing block (62) is fixed on the side wall of the positioning ring (61);
a protruding block (11) is fixed on the outer wall of the adjusting rod (10), and a groove (620) matched with the protruding block (11) is formed in the outer wall of the fixed block (62); the groove (620) is circumferentially arranged along the limiting block (63); wherein,,
after the linkage ring (4) rotates circumferentially until the protruding block (11) is inserted into the groove (620), the linkage ring (4) continues to rotate, and the protruding block (11) is suitable for extruding the fixed block (62) and the positioning ring (61) to deform;
after the adjusting rod (10) is limited by the fixed block (62), the linkage ring (4) is continuously rotated, so that the limiting block (63) is separated from the end part of the fixed block (62).
2. A knob according to claim 1 wherein,
the groove (620) is grooved from one side of the fixed block (62) to the other side, and the horizontal height of the groove is gradually increased.
3. A knob according to claim 2 wherein,
the groove (620) has a gradually decreasing grooving depth from one side of the fixed block (62) to the other side.
4. A knob according to claim 3 wherein,
the linkage ring (4) is provided with a plurality of through holes (43) along the radial direction;
a plurality of connecting rods (610) are fixed on the outer wall of the positioning ring (61) along the circumferential direction, and the connecting rods (610) penetrate through the through holes (43) and are fixed on the inner wall of the sponge ring (53) at the end parts; wherein,,
when the adjusting rod (10) extrudes the positioning ring (61) to deform downwards, the connecting rod (610) is suitable for pulling the inner wall of the sponge ring (53) to prop against the end part of the oil injection pipe (52).
5. A knob according to claim 4 wherein,
the oil spray pipe (52) includes: an inner sleeve (521), an oil scraper ring (522) and an adjusting piece (523), wherein an oil outlet is formed in the inner bottom wall of the sponge groove (42), and the oil outlet is communicated with the oil storage bin (51);
the inner sleeve (521) is slidably arranged in the oil outlet hole, and the inner sleeve (521) protrudes out of the inner bottom wall of the sponge groove (42);
the oil scraper ring (522) is matched with the inner sleeve (521), and the oil scraper ring (522) is suitable for scraping greasy dirt on the inner wall of the inner sleeve (521);
one end of the adjusting piece (523) is fixed on the inner wall of the oil outlet, the other end of the adjusting piece (523) is arranged in the inner sleeve (521), and the oil scraper ring (522) is fixed at the upper end of the adjusting piece (523); wherein,,
when the compression air bag (41) pressurizes the oil storage bin (51), lubricating oil in the oil storage bin (51) is suitable for pushing up the adjusting piece (523) and spraying the lubricating oil to the sponge ring (53);
when the positioning ring (61) pulls the sponge ring (53) to slide inwards, the inner wall of the sponge ring (53) pushes the inner sleeve (521) to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve (521) can be scraped by the oil scraper ring (522).
6. A weighing scale using a knob, comprising a knob according to claim 5,
the weighing instrument using the knob includes: the sealing box (7), the box door (71) and a plurality of fixing pieces (73), wherein the sealing box (7) is rectangular, the interior of the sealing box (7) is hollow, the fixing sleeve (3) is fixed in the sealing box (7), and one end of the rotating column (2) protrudes out of the side wall of the sealing box (7);
the box door (71) is hinged on the sealing box (7);
the fixing pieces (73) are fixed on one side, far away from the box door (71), of the sealing box (7), and the fixing pieces (73) are suitable for being fixed on a wall body or equipment towards the sealing box (7).
7. A weighing scale using a knob according to claim 6 wherein,
the box door (71) is provided with a display (74), and the display (74) is suitable for displaying weighing data;
the lower end of the sealing box (7) is fixedly provided with a plurality of sealing pipes (75), and a power line passes through the sealing pipes (75) and is electrically connected with the power supply (1).
8. A method of operating a weighing scale using a knob, comprising a weighing scale using a knob as defined in claim 7,
the rotating column (2) is rotated to drive the linkage ring (4) to synchronously rotate in the circumferential direction, at the moment, the side wall of the adjusting rod (10) is propped against the end wall of the linkage ring (4), along with the rotation of the linkage ring (4), the side wall of the adjusting rod (10) is propped against the bottom wall of the opening and closing station groove (40), and the adjusting rod (10) is propped against different positions of the linkage ring (4), so that the opening and closing of the power supply (1) can be adjusted;
in the process that the adjusting rod (10) slides from the end part of the linkage ring (4) to the opening and closing station groove (40), the side wall of the adjusting rod (10) presses the compression air bag (41) so that air in the compression air bag (41) can be pressurized into the oil storage bin (51), lubricating oil in the oil storage bin (51) can be sprayed to the inner wall of the sponge ring (53) through the oil spraying pipe (52), and the sponge ring (53) can gradually coat the lubricating oil on the inner wall of the fixed sleeve (3), so that friction force among the rotating column (2), the linkage ring (4) and the fixed sleeve (3) is reduced;
when the force of the rotating column (2) is overlarge, the linkage ring (4) circumferentially rotates until the protruding block (11) is inserted into the groove (620), the linkage ring (4) continues to rotate, and the protruding block (11) is suitable for extruding the fixed block (62) and the positioning ring (61) to deform;
after the adjusting rod (10) is limited by the fixed block (62), the linkage ring (4) is continuously rotated, so that the limiting block (63) is separated from the end part of the fixed sleeve (3);
when the adjusting rod (10) extrudes the positioning ring (61) to deform downwards, the connecting rod (610) is suitable for pulling the inner wall of the sponge ring (53) to prop against the end part of the oil injection pipe (52);
when the positioning ring (61) pulls the sponge ring (53) to slide inwards, the inner wall of the sponge ring (53) pushes the inner sleeve (521) to shrink inwards, so that the oil dirt on the inner wall of the inner sleeve (521) can be scraped by the oil scraper ring (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310168364.XA CN115855224B (en) | 2023-02-27 | 2023-02-27 | Knob, weighing instrument applying knob and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310168364.XA CN115855224B (en) | 2023-02-27 | 2023-02-27 | Knob, weighing instrument applying knob and working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115855224A CN115855224A (en) | 2023-03-28 |
| CN115855224B true CN115855224B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310168364.XA Active CN115855224B (en) | 2023-02-27 | 2023-02-27 | Knob, weighing instrument applying knob and working method |
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| Country | Link |
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| CN (1) | CN115855224B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439654A (en) * | 1982-09-29 | 1984-03-27 | Motorola, Inc. | Waterproof control knob assembly with integral switch |
| KR102106840B1 (en) * | 2017-02-22 | 2020-05-06 | 엘지전자 주식회사 | Knob assembly for cook top |
| CN207690695U (en) * | 2017-08-30 | 2018-08-03 | 温州腾煌电气有限公司 | A kind of band handle knob |
| CN112013230B (en) * | 2020-08-25 | 2021-12-07 | 前海行者悟科技(深圳)有限公司 | Outdoor monitoring equipment that can turn to that can lubricate |
| CN114783840A (en) * | 2022-06-02 | 2022-07-22 | 赛德电气有限公司 | Knob mechanism applied to rotary motor circuit breaker |
| CN218497968U (en) * | 2022-09-30 | 2023-02-17 | 武汉艾迪思自动化设备有限公司 | Knob switch structure |
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| CN115855224A (en) | 2023-03-28 |
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