CN115855224A - Knob, weighing instrument applying knob and working method - Google Patents
Knob, weighing instrument applying knob and working method Download PDFInfo
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- CN115855224A CN115855224A CN202310168364.XA CN202310168364A CN115855224A CN 115855224 A CN115855224 A CN 115855224A CN 202310168364 A CN202310168364 A CN 202310168364A CN 115855224 A CN115855224 A CN 115855224A
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- 238000005303 weighing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 112
- 230000001050 lubricating effect Effects 0.000 claims abstract description 33
- 239000010687 lubricating oil Substances 0.000 claims abstract description 31
- 230000002265 prevention Effects 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 35
- 230000006835 compression Effects 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001125 extrusion Methods 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
- 238000003825 pressing Methods 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, wherein a link ring is rotatably arranged in a fixed sleeve and is linked with a rotating column; the lubricating component is arranged in the fixed sleeve and is linked with the linkage ring; the overload prevention assembly 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 rotate in the circumferential direction synchronously; the adjusting rod moves towards the opening and closing station of the linkage ring to extrude the end part of the linkage ring so that the lubricating assembly sprays lubricating oil towards the inner wall of the fixed sleeve; when the linkage ring rotates circumferentially until the adjusting rod crosses 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 process of preventing the deformation of the overload assembly, the lubricating assembly can automatically clean oil stains on the inner wall of the oil nozzle.
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
Weighing instrument is suitable for the weighing apparatus of car developments. The method can be divided into the following steps: wired weight measuring instruments and wireless weight measuring instruments. The wired weight measuring instrument adopts a data wire to connect and transmit data, and the wireless weight measuring instrument adopts a wireless transmitting module to transmit data. Wireless is gaining acceptance from a large number of users in its more portable and more 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 cause the condition that the knob is inconvenient to rotate due to oxidation after being used for a long time; when the knob switch is turned, the rotating force is too large due to operator error, and the knob cannot be reset or broken.
Under some circumstances, rotary switch still plays the effect of adjusting the instrument of weighing internal current size, and rotatory dynamics is too big, can lead to the instrument of weighing this internal current too big, leads to the instrument of weighing body to damage. Therefore, it is necessary to develop a knob, a weighing instrument using the knob and a working method thereof.
Disclosure of Invention
The invention aims to provide a knob.
In order to solve the above technical problem, the present invention provides a knob, comprising:
the power supply device comprises a power supply device, a rotating column, a fixed sleeve, a linkage ring, a lubricating component and an overload prevention component, wherein 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, and an adjusting rod is movably arranged on the power supply device and inserted into the fixed sleeve, and the adjusting rod is linked with the linkage ring;
the linkage ring is rotatably arranged in the fixed sleeve and is linked with the rotating column;
the lubricating assembly is arranged in the fixed sleeve, is arranged around the linkage ring in the circumferential direction and is linked with the linkage ring;
the overload prevention assembly is fixed on the inner wall of the linkage ring and is linked with the rotating column; wherein,
when the rotating column is rotated in the circumferential direction, the rotating column is suitable for driving the linkage ring to rotate in the circumferential direction synchronously;
the adjusting rod extrudes the end part of the linkage ring so that the lubricating component sprays lubricating oil to the inner wall direction of the fixed sleeve;
when the linkage ring rotates circumferentially until the adjusting rod crosses 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 process of deformation of the overload prevention assembly, the lubricating assembly can automatically clean oil stains on the inner wall of the oil nozzle.
Preferably, two opening and closing position grooves are symmetrically formed in the end portion of the linkage ring, and the side wall of the adjusting rod abuts against the end wall of the linkage ring;
a compression air bag is arranged on one side of the opening and closing station groove and is communicated with the lubricating assembly; wherein,
when the linkage ring rotates in the circumferential direction until 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 lubricating assembly comprises: the oil storage bin is circumferentially arranged around 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 abutted against the inner wall of the fixed sleeve;
the oil injection pipe faces the inner wall of the sponge ring; wherein,
after being extruded, the compression air bag is suitable for pressurizing the oil storage bin, so that the 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 limiting block is vertically fixed at the end part of the rotating column and is linked with the fixing block;
the positioning ring is arranged in the linkage ring, and the fixing block is fixed on the side wall of the positioning ring;
a convex block is fixed on the outer wall of the adjusting rod, and a groove matched with the convex block is formed in the outer wall of the fixing block; the groove is arranged along the circumferential direction of the limiting block; wherein,
after the linkage ring rotates circumferentially until the convex block is inserted into the groove, the linkage ring continues to rotate, and the convex 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 continues to rotate, so that the limiting block is separated from the end part of the fixing block.
Preferably, the groove has a groove with a horizontal height gradually increasing from one side of the fixing block to the other side thereof.
Preferably, the groove has a depth gradually decreasing from one side of the fixing block to the other side thereof.
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 hole 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 be abutted against the end part of the oil injection pipe.
Preferably, the oil spout pipe includes: the oil outlet is communicated with the oil storage bin;
the inner sleeve is arranged in the oil outlet hole in a sliding mode and protrudes out of the inner bottom wall of the sponge groove;
the oil scraper ring is matched with the inner sleeve and is suitable for scraping oil stains on the inner wall of the inner sleeve;
one end of the adjusting piece is fixed on the inner wall of the oil outlet hole, the other end of the adjusting piece is arranged in the inner sleeve, and the oil scraper ring is fixed at the upper end of the adjusting piece; wherein,
when the compression air bag pressurizes the oil storage bin, the lubricating oil in the oil storage bin is suitable for jacking the adjusting piece and spraying the lubricating oil to the sponge ring;
when the positioning ring pulls the sponge to slide inwards in the annular direction, the inner wall of the sponge ring pushes the inner sleeve to contract inwards, so that the oil scraper ring can scrape oil stains on the inner wall of the inner sleeve.
The invention also provides a weighing instrument applying the knob, which comprises: 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 on the sealing box;
the fixing pieces are fixed on one side, far away from the box door, of the seal box and are suitable for being fixed on a wall or equipment towards the seal box.
Preferably, a display is arranged on the box door and is suitable for displaying weighing data;
the lower end of the sealing box is fixedly provided with a plurality of sealing tubes, and a power line penetrates through the sealing tubes and is electrically connected with the power supply.
On the other hand, the invention also provides a working method of the weighing instrument applying the knob, the rotating column is rotated to drive the linkage ring to synchronously and circumferentially rotate, at the moment, the side wall of the adjusting rod is in a state of abutting 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 state of abutting against the bottom wall of the opening and closing station groove, and the adjusting rod abuts against the linkage ring at different positions, so that the opening and closing of the power supply can be adjusted;
in the process that the end part of the adjusting rod slides 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 can be sprayed to the inner wall of the sponge ring through the oil spraying pipe, the sponge ring can gradually coat the lubricating oil on the inner wall of the fixed sleeve, and friction among the rotating column, the linkage ring and the fixed sleeve is reduced;
when the rotating force of the rotating column is too high, the linkage ring rotates in the circumferential direction until the protruding block is inserted into the groove, the linkage ring continues to rotate, and the protruding block is suitable for extruding the fixing 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;
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 abut against the end part of the oil injection pipe;
when the positioning ring pulls the sponge to slide inwards in the annular direction, the inner wall of the sponge ring pushes the inner sleeve to contract inwards, so that the oil scraper ring can scrape oil stains on the inner wall of the inner sleeve.
The knob has the beneficial effects that through the matching of the linkage ring, the lubricating assembly and the overload prevention assembly, when the knob is normally used, the adjusting rod of the power supply is linked with the linkage ring and extrudes and compresses the air bag, so that the lubricating assembly can lubricate the linkage ring, the rotating column and the fixed sleeve, and the friction force among the rotating column, the linkage ring and the fixed sleeve is reduced; and the cooperation of anti-overloading assembly and adjusting rod realizes preventing the power supply device current overload's condition from taking place, can effectual protection power supply device, simultaneously, when the rotatory dynamics appears too big, the holding ring pulling when the sponge ring slides in the hoop, the inner wall top of sponge ring pushes away the inner skleeve is to the internal contraction, so that oil scraper ring can strike off the greasy dirt of inner skleeve inner wall. Not only has played protection equipment life's effect, can also clear up incomplete greasy dirt in the spout oil pipe export inner wall simultaneously, improved work efficiency.
Drawings
The invention is further illustrated with reference to the following figures 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 harness and link ring of the present invention;
FIG. 3 is a cross-sectional view of the link ring and lubrication assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 of the present invention;
FIG. 5 is a longitudinal cross-sectional cut-away view of the lubrication assembly of the present invention;
FIG. 6 is a front view of the spray bar of the present invention;
FIG. 7 is a front view of the adjustment lever and fixed block of the present invention;
FIG. 8 is a perspective view of a weighing apparatus employing a knob according to the present invention;
fig. 9 is an internal perspective view of the seal box of the present invention.
In the figure:
1. a power supply; 10. adjusting a rod; 11. a raised block;
2. rotating the column;
3. fixing a sleeve;
4. a link ring; 40. opening and closing the station slot; 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 spray pipe; 521. an inner sleeve; 522. an oil scraper ring; 523. an adjustment 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 sealing box; 71. a box door; 73. a fixing sheet; 74. a display; 75. and (5) sealing the tube.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present 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 component 5 and an overload prevention component 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 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 abutted 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 1, so that the effect of turning on or off the power supply 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 linked with the rotating column 2; link ring 4 with it is fixed to rotate 2 joints of post, and is too big when rotating 2 rotatory dynamics of post, lead to the rotation amplitude to exceed normal working amplitude after, it can certainly to rotate post 4 inside breaks away from to avoid link ring 4 rotation amplitude too big, the extrusion is adjusted pole 10, leads to adjusting the condition emergence that pole 10 warp. The lubricating component 5 is arranged in the fixed sleeve 3, the lubricating component 5 is circumferentially arranged around the linkage ring 4, and the lubricating component 5 is linked with the linkage ring 4; the lubricating component 5 is linked with the adjusting rod 10, and the lubricating component 5 is suitable for spraying lubricating oil among the linkage ring 4, the rotating column 2 and the fixed sleeve 3 so as to reduce friction force.
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; 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 in the circumferential direction, the linkage ring 4 is driven to synchronously rotate in the circumferential direction through the overload prevention assembly 6; when the rotating column 2 is rotated in the circumferential direction, the rotating column 2 is suitable for driving the linkage ring 4 to rotate in the circumferential direction synchronously; the linkage ring 4 rotates circumferentially to enable the opening and closing station groove 40 to slide towards the adjusting rod 10, so that the side wall of the adjusting rod 10 is abutted against the bottom wall of the opening and closing station groove 40; the adjusting rod 10 extrudes 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 abuts 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 rotating column 2 is rotated reversely, the compressed air bag 41 can guide the adjusting rod 10 to restore to the initial station, 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 crosses the opening and closing station, the linkage ring 4 moves, and the adjusting rod 10 keeps static; the outer wall of the adjusting rod 10 extrudes the overload prevention assembly 6 to deform, after the overload prevention assembly 6 deforms, a 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 that the rotating column 2 continues to rotate; the situation of current overload of the power supply 1 can be prevented, and the power supply 1 can be effectively protected; in the deformation process of the overload prevention assembly 6, the lubricating assembly 5 can automatically clean oil stains on the inner wall of the oil nozzle. When the rotating force is too large, 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 contract inwards, and the oil scraper ring 522 can scrape oil stains on the inner wall of the inner sleeve 521. Not only has played the effect of protection equipment life, can also clear up incomplete greasy dirt in the spout oil pipe 52 export inner wall simultaneously, has improved work efficiency.
In order to facilitate linkage with the adjusting rods 10, two opening and closing station slots 40 are symmetrically formed in the end portions of the linkage ring 4, two power supplies 1 are provided, and one adjusting rod 10 corresponds to one opening and closing station slot 40; the side wall of the adjusting rod 10 is abutted 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 lubricating component 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 in the circumferential direction 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 to deform, air in the compression air bag 41 is suitable for flowing to the lubricating assembly 5, so that lubricating oil in the lubricating assembly 5 is sprayed outwards.
To facilitate lubrication, the lubricating assembly 5 comprises: the oil storage bin 51 is arranged around the linkage ring 4 in the circumferential direction, lubricating oil is stored in the oil storage bin 51, 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 to prevent lubricating oil from flowing into the compression air bag 41; the oil injection pipe 52 is arranged on one side of the oil storage bin 51 facing the fixed sleeve 3; a sponge groove 42 is formed in the circumferential direction of the linkage ring 4, the sponge ring 53 is slidably arranged in the sponge groove 42, the end part of the oil injection 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 fixing sleeve 3; the oil spray pipe 52 faces the inner wall of the sponge ring 53; after the compression air bag 41 is squeezed, the air in the compression air bag 41 is suitable for flowing to the oil storage bin 51, the 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 a flexible oil absorption material; the sponge ring 53 is adapted to coat the inner wall of the fixing sleeve 3 with a lubricating oil during the circumferential rotation of the sponge ring 53 with the link ring 4 to reduce the frictional force between the fixing sleeve 3 and the link ring 4 and the rotary post 2.
In order to prevent overloading, the overload prevention assembly 6 comprises: the positioning device comprises a positioning ring 61, a fixed block 62 and a 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 convex block, and the convex block is clamped and fixed with the end wall of the fixing block 62 to achieve the effect of fixing the fixing 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 are fixed on the inner wall of the sponge ring 53 at the end parts; 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 abut against the end 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 arranged on the fixed block 62; a convex 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 fixing block 62 is provided with a groove 620 matched with the convex block 11; the groove 620 is arranged along the circumferential direction of the limiting block 63; the groove 620 has a groove with a gradually increasing horizontal height from one side of the fixing block 62 to the other side thereof. The groove 620 has a groove depth gradually decreasing from one side of the fixing block 62 to the other side thereof. That is, the depth of the recess 620 gradually decreases and the level thereof gradually increases as it extends from one side of the fixing block 62 to the other side. In the circumferential rotation process of the link ring 4, the fixed block 62 is extruded by the convex block 11 to deform; make fixed block 62 lapse and contract towards the direction in holding ring 61 axle center, at the in-process of fixed block 62 lapse and contraction, the lug with clearance increase between the fixed block 62 end wall makes the lug with joint relation between the fixed block 62 presents the pine and takes off the state, and is spacing back along with the fixed block 62 outer wall is adjusted pole 10 lateral wall, fixed block 62 can't continue to rotate, and rotates post 2 this moment and continue to rotate, so that it is relative to rotate post 2 fixed block 62 rotates to the dislocation groove, this moment stopper 63 with fixed block 62 separates, thereby has avoided rotatory post 2 excessive back, leads to the condition of power supply 1 current overload to take place, plays the effect of protection power supply 1, simultaneously, rotates post 2 and link ring 4 and breaks away from, also can avoid rotatory dynamics excessive, leads to rotating the connection fixing device between post 2 and the link ring 4 to take place to damage. After the linkage ring 4 rotates circumferentially until the protruding blocks 11 are inserted into the grooves 620, the linkage ring 4 continues to rotate, and the protruding blocks 11 are suitable for extruding the fixing blocks 62 and the positioning rings 61 to deform; after the adjusting rod 10 is limited by the fixing block 62, the link ring 4 continues to rotate, so that the limiting block 63 is separated from the end of the fixing block 62.
In order to facilitate the cleaning of oil, the spray pipe 52 includes: the oil outlet is formed in the inner bottom wall of the sponge groove 42 and 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 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, that is, the sponge ring 53 does not completely cover the outer end wall of the inner sleeve 521; the sponge ring 53 is suitable for pressing the inner sleeve 521, so that the inner sleeve 521 slides towards the oil outlet; the oil scraper ring 522 is matched with the inner sleeve 521, and the oil scraper ring 522 is suitable for scraping oil stains 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 hole, 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; the adjusting piece 523 is made of flexible material, the adjusting piece 523 is funnel-shaped, and in an initial state, a connection point in the middle of the adjusting piece 523 is in a closed state; when the pressure in the oil storage bin 51 becomes higher and the lubricating oil flows towards the inner sleeve 521, the lubricating oil is suitable for pushing the adjusting piece 523 to be in an open state, so that the lubricating oil can be sprayed towards the inner wall of the sponge ring 53 through the adjusting piece 523; 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 convex block 11 extrudes the fixed block 62 to deform; 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 synchronously slide downwards, and the positioning ring 61 pulls the sponge ring 53 to synchronously slide towards the inner sleeve 521 through the connecting rod 610; the inner wall of the sponge ring 53 pushes the inner sleeve 521 to contract inward, so that the oil scraper ring 522 can scrape oil stains off the inner wall of the inner sleeve 521. In the process that the sponge ring 53 coats lubricating oil on the inner wall of the fixed sleeve 3, redundant oil stains can be dripped into the inner sleeve 521, the inner sleeve 521 slides in a shrinkage mode towards the direction of the oil storage bin 51, so that the oil scraper ring 522 can clean the residual oil stains on the inner wall of the inner sleeve 521, the oil stain residual value is prevented from being blocked, and the lubricating oil is prevented from being sprayed out of the oil storage bin 51.
In a second embodiment, as shown in fig. 8 and 9, this embodiment further provides a weighing instrument using a knob based on the first embodiment, where the weighing instrument includes a knob as in the first embodiment, and a specific structure is the same as that of the first embodiment, and is not described herein again, and the 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 seal 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 seal box 7, the seal box 7 is a waterproof box, and the box door 71 is hinged on the seal box 7; the fixing pieces 73 are fixed on one side of the sealing box 7 away from the box door 71, and the fixing pieces 73 are suitable for being fixed on a wall or equipment towards the sealing box 7. A display 74 is arranged on the box door 71, and the display 74 is suitable for displaying weighing data; a plurality of sealing tubes 75 are fixed at the lower end of the sealing box 7, and a power line passes through the sealing tubes 75 and is electrically connected with the power supply 1. The sealing tube 75 is arranged to enable water on the outer wall of the power line 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.
In a third embodiment, the present embodiment further provides a working method of a weighing instrument using a knob based on the second embodiment, where the working method includes the following steps:
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 in a state of abutting 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 in a state of abutting against the bottom wall of the opening and closing station groove 40, and the opening and closing of the power supply 1 can be adjusted by abutting against the adjusting rod 10 and the linkage ring 4 at different positions;
in the process that the adjusting rod 10 slides to the opening and closing station groove 40 from the end part of the linkage ring 4, the side wall of the adjusting rod 10 extrudes the compression air bag 41, so that air in the compression air bag 41 can be pressurized to 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, the sponge ring 53 can gradually coat the lubricating oil on the inner wall of the fixed sleeve 3, and the friction force among the rotating column 2, the linkage ring 4 and the fixed sleeve 3 is reduced;
when the rotating force of the rotating column 2 is too high, 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 fixing block 62, the linkage ring 4 continues to rotate, so that the limiting block 63 is separated from the end 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 abut against the end of the oil spraying pipe 52;
when the positioning ring 61 pulls the sponge ring 53 to slide inward, the inner wall of the sponge ring 53 pushes the inner sleeve 521 to contract inward, so that the oil scraper ring 522 can scrape off oil stains on the inner wall of the inner sleeve 521.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (11)
1. A knob, comprising:
the power supply device comprises a power supply device (1), a rotating column (2), a fixed sleeve (3), a linkage ring (4), a lubricating component (5) and an overload prevention component (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, far away from the rotating column (2), of the fixed sleeve (3), 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 lubricating component (5) is arranged inside the fixed sleeve (3), the lubricating component (5) is arranged circumferentially around the linkage ring (4), and the lubricating component (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 in the circumferential direction, the rotating column (2) is suitable for driving the linkage ring (4) to rotate in the circumferential direction synchronously;
the adjusting rod (10) extrudes 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 linkage ring (4) rotates circumferentially until the adjusting rod (10) crosses the opening and closing station, the outer wall of the adjusting rod (10) extrudes the overload prevention assembly (6) to deform, and the rotating column (2) is separated from the linkage ring (4) in the process that the rotating column (2) continues to rotate;
in the deformation process of the overload prevention assembly (6), the lubricating assembly (5) can automatically clean oil stains on the inner wall of the oil nozzle.
2. A rotary knob according to claim 1,
two opening and closing station grooves (40) are symmetrically formed in the end portion of the linkage ring (4), and the side wall of the adjusting rod (10) is abutted to 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 lubricating component (5); wherein,
when the linkage ring (4) rotates in the circumferential direction 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 so as to pressurize the lubricating assembly (5).
3. A rotary knob according to claim 2,
the lubricating assembly (5) comprises: the oil storage bin (51) is arranged around the linkage ring (4) in the circumferential direction, lubricating oil is suitable to be stored in the oil storage bin (51), and the oil storage bin (51) is communicated with the compression air bag (41);
the oil injection 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) can be slidably arranged in the sponge groove (42), and the outer wall of the sponge ring (53) is abutted against the inner wall of the fixed sleeve (3);
the oil spray pipe (52) faces the inner wall of the sponge ring (53); wherein,
the compression air bag (41) is suitable for pressurizing the oil storage bin (51) after being extruded, so that the lubricating oil in the oil storage bin (51) can be sprayed to the inner wall of the sponge ring (53).
4. A rotary knob according to claim 3,
the overload prevention assembly (6) comprises: the positioning device comprises a positioning ring (61), a fixed block (62) and a 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 convex block (11) is fixed on the outer wall of the adjusting rod (10), and a groove (620) matched with the convex block (11) is formed in the outer wall of the fixing block (62); the groove (620) is arranged along the circumferential direction of the limiting block (63); wherein,
after the linkage ring (4) rotates circumferentially until the protruding blocks (11) are inserted into the grooves (620), the linkage ring (4) continues to rotate, and the protruding blocks (11) are suitable for extruding the fixing blocks (62) and the positioning rings (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).
5. A rotary knob according to claim 4,
the groove (620) is gradually increased in horizontal height from one side of the fixing block (62) to the other side of the fixing block.
6. A rotary knob according to claim 5,
the groove (620) gradually reduces in depth from one side of the fixing block (62) to the other side.
7. A rotary knob according to claim 6,
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 at the end parts on the inner wall of the sponge ring (53); 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 be abutted against the end part of the oil spraying pipe (52).
8. A rotary knob according to claim 7,
the oil spout pipe (52) includes: the oil-spraying device comprises 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 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 oil stains 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 hole, 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); 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 jacking 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 contract inwards, so that the oil scraper ring (522) can scrape oil stains on the inner wall of the inner sleeve (521).
9. A weighing instrument using a knob, comprising a knob according to claim 8,
the weighing instrument using the knob includes: the sealing box comprises a sealing box (7), a box door (71) and a plurality of fixing pieces (73), wherein 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);
the box door (71) is hinged on the sealing box (7);
the fixing pieces (73) are fixed on one side, away from the box door (71), of the sealing box (7), and the fixing pieces (73) are suitable for being fixed on a wall or equipment towards the sealing box (7).
10. The weighing instrument using knob according to claim 9,
a display (74) is arranged on the box door (71), 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 tubes (75), and a power line penetrates through the sealing tubes (75) and is electrically connected with the power supply (1).
11. A method for operating a weighing apparatus using a knob, comprising the weighing apparatus using a knob according to claim 10,
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 in a state of abutting 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 in a state of abutting against the bottom wall of the opening and closing station groove (40), and the adjusting rod (10) abuts against the linkage ring (4) at different positions, so that the opening and closing of the power supply (1) can be adjusted;
in the process that the adjusting rod (10) slides to the opening and closing station groove (40) from the end part of the linkage ring (4), the side wall of the adjusting rod (10) extrudes the compression air bag (41) so that air in the compression air bag (41) can be pressurized to the oil storage bin (51), and therefore 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), the sponge ring (53) can gradually coat the lubricating oil on the inner wall of the fixing sleeve (3), and friction among the rotating column (2), the linkage ring (4) and the fixing sleeve (3) is reduced;
when the rotating force of the rotating column (2) is too high, 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 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 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 be abutted 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 contract inwards, so that the oil scraper ring (522) can scrape oil stains on the inner wall of the inner sleeve (521).
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 |
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| Publication Number | Publication Date |
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| CN115855224A true CN115855224A (en) | 2023-03-28 |
| CN115855224B CN115855224B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310168364.XA Active CN115855224B (en) | 2023-02-27 | 2023-02-27 | Knob, weighing instrument applying knob and working method |
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Citations (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 |
| CN207690695U (en) * | 2017-08-30 | 2018-08-03 | 温州腾煌电气有限公司 | A kind of band handle knob |
| CN110033979A (en) * | 2017-02-22 | 2019-07-19 | Lg电子株式会社 | Knob assembly for cooktop surface |
| CN112013230A (en) * | 2020-08-25 | 2020-12-01 | 杭州雅凇科技有限公司 | 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 |
-
2023
- 2023-02-27 CN CN202310168364.XA patent/CN115855224B/en active Active
Patent Citations (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 |
| CN110033979A (en) * | 2017-02-22 | 2019-07-19 | Lg电子株式会社 | Knob assembly for cooktop surface |
| CN207690695U (en) * | 2017-08-30 | 2018-08-03 | 温州腾煌电气有限公司 | A kind of band handle knob |
| CN112013230A (en) * | 2020-08-25 | 2020-12-01 | 杭州雅凇科技有限公司 | 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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|---|---|
| CN115855224B (en) | 2023-05-09 |
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