CN109270222B - Automatic cover opening and closing lofting device of element analyzer - Google Patents
Automatic cover opening and closing lofting device of element analyzer Download PDFInfo
- Publication number
- CN109270222B CN109270222B CN201811229248.XA CN201811229248A CN109270222B CN 109270222 B CN109270222 B CN 109270222B CN 201811229248 A CN201811229248 A CN 201811229248A CN 109270222 B CN109270222 B CN 109270222B
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- Prior art keywords
- lofting
- cover
- seat
- movable part
- power device
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- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hinges (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic cover opening and closing lofting device of an element analyzer, wherein a lofting cavity is arranged on the top surface of a lofting seat in a downward sunken mode and used for placing a crucible, and the lofting cover above and the lofting seat below can be mutually pressed against a sealing ring so as to seal the lofting cavity; the bottom of the lofting cover is provided with a rotating shaft, the lofting cover is hinged to the edge of the lofting seat through the rotating shaft, and the lofting cover can be turned up and down relative to the lofting seat; when the movable part of the power device moves up and down, the lofting cover can be driven to rotate around the rotating shaft, so that the lofting cover can be turned up and down relative to the lofting seat to open or close the lofting cover. According to the invention, the lofting cover is driven to turn over by moving the movable part of the power device up and down, the lofting cover is opened and closed by utilizing the lever principle, the sealing fit of the lofting seat and the lofting cover is realized by the pressure of the movable part of the power device, the lofting cover does not need to be opened or closed manually, the opening and closing are automatically completed, the manpower is saved, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of elemental analysis, in particular to an automatic cover opening and closing lofting device of an elemental analyzer.
Background
The existing coal quality analysis fluorine and chlorine element tester in the market generally needs sealed sample feeding and adopts a sample box with better sealing performance. The surface of the box body, which is contacted with the cover body, in the lofting box structure equipped with the coal quality analysis fluorine and chlorine element tester is provided with a sealing ring, and the sealing ring and the cover body are tightly pressed with each other to realize sealing; the cover body is hinged with the box body through a rotating shaft, a locking piece is arranged on the opposite side of the cover body, and the cover body can be turned around the box body to realize opening and closing. When the lid is overturned from the open state to the closed state, the lid of lofting box can contact the sealing washer that is close to pivot one side earlier, and the sealing washer has elasticity, can produce ascending thrust to the lid, needs to exert great pressure when closing the lid, causes the operation inconvenient, and one side that the sealing washer is close to the pivot is different with one side pressure that is close to the retaining member, influences lofting box's sealed effect, need let in oxygen in the lofting box during the use, and sealed effect is difficult to leak gas, influences the accuracy of instrument survey.
The traditional sealing mode is that the cover body is opened and closed manually, so that the air leakage phenomenon is easy to occur when the cover body is closed, no stress point exists on the cover body due to negative pressure in the cover body when the cover body is opened, the cover body is difficult to open, and the operation is inconvenient.
Disclosure of Invention
The invention provides an automatic cover opening and closing lofting device of an element analyzer, which can automatically finish opening and closing without manual opening and closing, and improves the efficiency, and the specific scheme is as follows:
an elemental analyzer automatic switch cover lofting device, comprising:
the top surface of the lofting seat is downwards concavely provided with a lofting cavity for placing the crucible;
the lofting cover is arranged above the lofting seat, and the lofting seat and the lofting cover can be mutually tightly pressed against the sealing ring so as to seal the lofting cavity; a rotating shaft is arranged at the bottom of the lofting cover, and the lofting cover is hinged to the edge of the lofting seat through the rotating shaft;
the power device comprises a movable part capable of vertically moving, the movable part is connected with the part of the lofting cover, which extends out of the lofting seat, and the movable part of the power device can drive the lofting cover to turn up and down relative to the lofting seat.
Optionally, the movable part of the power device is connected with a hinge piece, the hinge piece is hinged with the lofting cover, and a buffer piece is arranged between the hinge piece and the movable part of the power device.
Optionally, the movable part of the power device is connected with a limiting rod, and the periphery of the limiting rod is sleeved with the buffer piece.
Optionally, a limiting block is convexly arranged at the periphery of the first end of the limiting rod, a limiting sleeve is arranged at the movable part of the power device, the first end of the limiting rod extends into the limiting sleeve, and the size of an opening of the limiting sleeve is smaller than that of the limiting block; the limiting sleeve and the hinge piece are respectively propped against and limit the two ends of the buffer piece;
the limiting rod can slide relative to the limiting sleeve, and the second end of the limiting rod is fixed with the hinge piece.
Optionally, the hinge piece is detachably and fixedly connected with the limiting rod through threads;
the limiting sleeve is sleeved on the movable part of the power device and hinged with each other.
Optionally, a limiting block is convexly arranged on the periphery of the first end of the limiting rod, and the second end of the limiting rod is hinged with the movable part of the power device;
the first end of the limiting rod extends into the hinge part, and the size of an opening of the hinge part is smaller than that of the limiting block; the limiting rod can slide relative to the hinge piece, and the limiting block and the hinge piece respectively lean against and limit the two ends of the buffer piece.
Optionally, the power device is an air cylinder, a hydraulic cylinder or a screw rod.
Optionally, the dimension of the lofting cover extending from the lofting seat is not less than one quarter of the length of the lofting seat.
Optionally, the buffer member is a coil spring.
The invention provides an automatic cover opening and closing lofting device of an element analyzer, wherein a lofting cavity is arranged on the top surface of a lofting seat in a downward sunken mode and used for placing a crucible, and the lofting cover above and the lofting seat below can be mutually pressed against a sealing ring so as to seal the lofting cavity; the bottom of the lofting cover is provided with a rotating shaft, the lofting cover is hinged to the edge of the lofting seat through the rotating shaft, and the lofting cover can be turned up and down relative to the lofting seat; when the movable part of the power device moves up and down, the lofting cover can be driven to rotate around the rotating shaft, so that the lofting cover can be turned up and down relative to the lofting seat to open or close the lofting cover. According to the invention, the lofting cover is driven to turn over by moving the movable part of the power device up and down, the lofting cover is opened and closed by utilizing the lever principle, the sealing fit of the lofting seat and the lofting cover is realized by the pressure of the movable part of the power device, the lofting cover does not need to be opened or closed manually, the opening and closing are automatically completed, the manpower is saved, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram showing an axial structure of an embodiment of an automatic cover opening and closing lofting device for an elemental analyzer according to the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the automated open/close cover lofting device for elemental analyzer provided by the present invention;
fig. 3 is a schematic structural view of a second scheme of the automatic open-close cover lofting device of the elemental analyzer.
The drawings include:
the device comprises a lofting seat 1, a lofting cavity 11, a lofting cover 2, a rotating shaft 21, a sealing ring 3, a power device 4, a limiting rod 41, a limiting block 411, a limiting sleeve 42, a hinge piece 5 and a buffer piece 6.
Detailed Description
The invention aims at providing an automatic cover opening and closing lofting device of an element analyzer, which can automatically finish opening and closing without manual opening and closing, and improves the efficiency.
In order to make the technical scheme of the present invention better understood by those skilled in the art, the automatic cover opening and closing lofting device of the elemental analyzer of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The automatic cover opening and closing lofting device of the elemental analyzer comprises a lofting seat 1, a lofting cover 2, a power device 4 and other structures, wherein the top surface of the lofting seat 1 is downwards concavely provided with a lofting cavity 11 for placing a crucible, the bottom of the lofting cavity 11 is provided with a lofting boat, and the crucible is limited and supported by the lofting boat; the lofting lid 2 sets up in the top of lofting seat 1, and lofting seat 1 bottom and the top of lofting lid 2 mutually support, set up sealing washer 3 between the two, and sealing washer 3 is annular setting around each lofting chamber 11, and the protrusion is in the upper surface of lofting seat 1, and lofting seat 1 and lofting lid 2 can sticis sealing washer 3 each other to realize sealedly lofting chamber 11.
The bottom of the lofting cover 2 is provided with a rotating shaft 21, the rotating shaft 21 is transversely arranged, the lofting cover 2 is hinged to the edge of the lofting seat 1 through the rotating shaft 21, and the lofting cover 2 can rotate around the rotating shaft 21 so as to be opened or closed.
The power device 4 comprises a movable part capable of vertically moving, and the movable part of the power device 4 can vertically move up and down relative to the fixed part or has a component of vertical up and down movement; since the rotation shaft 21 is disposed at the bottom of the loft cover 2 and is not located at an edge position, the loft cover shown in fig. 1 extends out of the range of the loft seat 1 on the right side, that is, the projection which is not vertical is located out of the vertical projection of the loft seat 1.
The movable part of the power device 4 is connected with the part of the lofting cover 2 extending out of the lofting seat 1, and the movable part of the power device 4 can drive the lofting cover 2 to turn up and down relative to the lofting seat 1.
According to the invention, the lofting cover 2 is driven to turn over by the up-and-down movement of the movable part of the power device 4, the lofting cover 2 is opened and closed by utilizing the lever principle, and the sealing fit of the lofting seat and the lofting cover is realized by the pressure of the movable part of the power device, so that a locking structure is not required to be arranged independently, and the dual functions of driving and locking are realized by the power device 4; the device does not need to rely on manual switch lofting lid, accomplishes opening and closure voluntarily, has saved the manpower, improves detection efficiency.
On the basis of the scheme, the movable part of the power device 4 is connected with the hinge piece 5, namely the movable part is indirectly connected with the lofting cover 2 through the hinge piece 5; the hinge piece 5 is hinged with the lofting cover 2, and a buffer piece 6 is arranged between the hinge piece 5 and the movable part of the power device 4. The buffer piece 6 can generate elastic deformation, when the lofting cover 2 is closed, the lofting cover 2 contacts with the lofting seat 1 to generate impact, and the impact is reduced through the buffer piece 6, so that the protective effect is achieved; the lofting cover 2 is likely to continue to move after being contacted with the lofting seat 1 under the influence of the movement precision of the power part 4, and the damage caused by the extrusion force can be avoided through the elastic deformation of the buffer part 6.
Specifically, the movable part of the power device 4 is connected with the limit rod 41, the limit rod 41 is in a columnar shape, the buffer piece 6 is sleeved on the periphery of the limit rod 41, the buffer piece 6 is guided by the limit rod 41, and the buffer piece 6 is prevented from generating transverse deformation.
The present invention provides two specific arrangements, as shown in fig. 2, which is a cross-sectional structure diagram of the first arrangement; the periphery of the first end of the limiting rod 41 is provided with a limiting block 411 in a protruding mode, the first end is the lower end in fig. 2, and the second end is the upper end; the movable part of the power device 4 is provided with a limit sleeve 42, the top end of the limit sleeve 42 is provided with an opening, the limit sleeve 42 is provided with a vertical cavity, the first end of the limit rod 41 stretches into the limit sleeve 42 from top to bottom, the size of the opening at the top of the limit sleeve 42 is smaller than that of the limit block 411, the limit block 411 can be accommodated in the inner cavity of the limit sleeve 42, the top of the inner cavity of the limit sleeve 42 forms a step structure and can be in fit contact with the limit block 411, and the limit rod 41 can slide up and down in the limit sleeve 42.
The limiting sleeve 42 and the hinge 5 respectively lean against two ends of the limiting buffer 6; as shown in fig. 2, the hinge member 5 is larger than the limit rod 41 in size, forms a step, and the top end of the buffer member 6 is in abutting contact with the bottom surface of the step; the opening of the limit sleeve 42 just accommodates the main body of the limit rod 41 to pass through, and the upper end of the limit sleeve 42 contacts and limits the bottom end of the buffer 6. The second end of the limit lever 41 is fixed to the hinge 5, i.e. the hinge 5 and the limit lever 41 move up and down synchronously.
When the cover is opened, the movable part of the power device 4 moves downwards, the limiting sleeve 42 presses the limiting block 411 downwards, the hinge piece 5 pulls the right end of the lofting cover 2 downwards, the lofting cover 2 rotates around the rotating shaft 21, and the left side rotates upwards to be opened.
When the device is closed, the movable part of the power device 4 moves upwards, the pressure is transmitted through the buffer piece 6, the hinge piece 5 moves downwards, the right end of the lofting cover 2 is lifted upwards by the hinge piece 5, the lofting cover 2 rotates around the rotating shaft 21, and the left side rotates downwards to realize the closing; when the lofting cover 2 cannot continue to swing downwards after contacting the lofting seat 1, the movable part of the power device 4 continues to move upwards at the moment, the buffer piece 6 is compressed to generate elastic deformation, and redundant displacement is counteracted, so that the lofting cover 2 is prevented from being damaged.
More specifically, the hinge 5 is detachably and fixedly connected with the limit rod 41 through threads, so that the assembly is convenient; the limiting sleeve 42 is sleeved on the movable part of the power device 4 and hinged with each other, so that stress concentration is avoided.
FIG. 3 is a schematic structural diagram of a second embodiment; the outer periphery of the first end of the limiting rod 41 is provided with a limiting block 411 in a protruding mode, the second end of the limiting rod 41 is hinged to the movable portion of the power device 4, the lower end of the limiting rod 41 is the first end in fig. 3, the upper end of the limiting rod 41 is the second end, and the limiting rod 41 and the movable portion of the power device 4 move up and down synchronously.
The first end of the limiting rod 41 stretches into the hinge piece 5, and the limiting rod 41 can vertically slide relative to the hinge piece 5; the size of the opening above the hinge piece 5 is smaller than that of the limiting block 411, the vertical cavity of the hinge piece 5 can accommodate the limiting block 411 to move up and down, and the step surface at the top end of the inner cavity can prevent the limiting block 411 from moving out of the cavity; the limiting rod 41 slides relative to the hinge piece 5, the limiting block 411 and the hinge piece 5 respectively lean against two ends of the limiting buffer piece 6, as shown in fig. 3, the buffer piece 6 is located in the inner cavity of the hinge piece 5, the bottom end of the buffer piece is leaned against the limiting block 411, and the top end of the buffer piece is leaned against the upper end face of the inner cavity of the hinge piece 5.
When the cover is opened, the movable part of the power device 4 moves downwards, the bottom end of the limiting rod 41, namely the bottom surface of the limiting block 411 contacts with the bottom surface of the cavity in the hinge piece 5, so that the hinge piece 5 presses the right end of the lofting cover 2 downwards, the lofting cover 2 rotates around the rotating shaft 21, and the left side is opened in an upward rotating mode.
When the device is closed, the movable part of the power device 4 moves upwards, the limiting block 411 transmits pressure through the buffer piece 6 to drive the hinge piece 5 to move upwards, so that the hinge piece 5 pulls the right end of the lofting cover 2 upwards, the lofting cover 2 rotates around the rotating shaft 21, and the left side rotates downwards to realize the closing; when the lofting cover 2 cannot continue to swing downwards after contacting the lofting seat 1, the movable part of the power device 4 continues to move upwards at the moment, the buffer piece 6 is compressed to generate elastic deformation, and redundant displacement is counteracted, so that the lofting cover 2 is prevented from being damaged.
On the basis of any one of the above technical solutions, the power device in the present invention is a cylinder, a hydraulic cylinder or a screw rod, and the cylinder is illustrated in fig. 2, so long as the driving mode capable of realizing vertical movement is protected by the present invention.
Preferably, the size of the lofting cover 2 extending out of the lofting seat 1 is not smaller than one fourth of the length of the lofting seat 1, as shown in fig. 2, the length of the right side is at least one fourth of the length of the left side by taking the rotating shaft 21 as a demarcation point, so that the right side has enough power arms, and the lofting cover can be opened and closed with smaller acting force.
In particular, the cushioning member 6 of the present invention is a coil spring, however, other types of cushioning materials are possible, such as rubber or leaf springs, and these specific forms are contemplated by the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An automatic cover opening and closing lofting device of an elemental analyzer, comprising:
the top surface of the lofting seat (1) is downwards concavely provided with a lofting cavity (11) for placing the crucible;
the lofting cover (2) is arranged above the lofting seat (1), and the lofting seat (1) and the lofting cover (2) can be mutually tightly pressed against the sealing ring (3) so as to seal the lofting cavity (11); a rotating shaft (21) is arranged at the bottom of the lofting cover (2), and the lofting cover (2) is hinged to the edge of the lofting seat (1) through the rotating shaft (21);
the power device (4) comprises a movable part capable of vertically moving, the movable part is connected with a part of the lofting cover (2) extending out of the lofting seat (1), and the movable part of the power device (4) can drive the lofting cover (2) to turn up and down relative to the lofting seat (1) by moving up and down;
the movable part of the power device (4) is connected with a hinge piece (5), the hinge piece (5) is hinged with the lofting cover (2), and a buffer piece (6) is arranged between the hinge piece (5) and the movable part of the power device (4);
the movable part of the power device (4) is connected with a limiting rod (41), and the buffer piece (6) is sleeved on the periphery of the limiting rod (41);
a limiting block (411) is arranged on the periphery of the first end of the limiting rod (41) in a protruding mode, a limiting sleeve (42) is arranged on the movable portion of the power device (4), the first end of the limiting rod (41) stretches into the limiting sleeve (42), and the size of an opening of the limiting sleeve (42) is smaller than that of the limiting block (411); the limiting sleeve (42) and the hinge piece (5) respectively lean against and limit the two ends of the buffer piece (6); the limiting rod (41) can slide relative to the limiting sleeve (42), and the second end of the limiting rod (41) is fixed with the hinge piece (5);
the limiting sleeve (42) inner cavity can accommodate the limiting block (411), a step structure is formed at the top of the inner cavity of the limiting sleeve (42) and can be in fit contact with the limiting block (411), and the limiting rod (41) can slide up and down in the limiting sleeve (42).
2. The automatic lid-opening and-closing lofting device for elemental analyzer according to claim 1, wherein the hinge member (5) is detachably and fixedly connected to the stopper rod (41) by screw threads;
the limiting sleeve (42) is sleeved on the movable part of the power device (4) and hinged with each other.
3. The automated open-close cover lofting device according to claim 1 or 2, wherein the power means is a cylinder, a hydraulic cylinder, or a screw.
4. An elemental analyzer automatic opening and closing cover lofting device according to claim 3, characterized in that the dimensions of the loft cover (2) protruding from the loft seat (1) are not smaller than a quarter of the length of the loft seat (1).
5. An automated open-close cover lofting device according to claim 3, wherein the buffer (6) is a coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229248.XA CN109270222B (en) | 2018-10-22 | 2018-10-22 | Automatic cover opening and closing lofting device of element analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229248.XA CN109270222B (en) | 2018-10-22 | 2018-10-22 | Automatic cover opening and closing lofting device of element analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109270222A CN109270222A (en) | 2019-01-25 |
| CN109270222B true CN109270222B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229248.XA Active CN109270222B (en) | 2018-10-22 | 2018-10-22 | Automatic cover opening and closing lofting device of element analyzer |
Country Status (1)
| Country | Link |
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| CN (1) | CN109270222B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019832A (en) * | 2019-05-31 | 2020-12-01 | 宁波舜宇光电信息有限公司 | Camera module group clamp |
| CN110164748A (en) * | 2019-06-21 | 2019-08-23 | 中国科学技术大学 | A kind of sampling device |
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