CN213955677U - Screw rod refrigerator accessory reinforcing apparatus - Google Patents
Screw rod refrigerator accessory reinforcing apparatus Download PDFInfo
- Publication number
- CN213955677U CN213955677U CN202023146014.4U CN202023146014U CN213955677U CN 213955677 U CN213955677 U CN 213955677U CN 202023146014 U CN202023146014 U CN 202023146014U CN 213955677 U CN213955677 U CN 213955677U
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- pipe body
- arc
- hoop body
- screw
- shaped groove
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a screw rod refrigerator accessory reinforcing apparatus, including evaporimeter, compressor, connecting tube and outside fastening device. The first hoop body and the second hoop body are mutually matched to hoop the first pipe body and the third pipe body, so that the vibration and the shaking amplitude of the connecting pipeline during the operation of the compressor are effectively reduced, the abrasion and the falling condition of the connecting pipeline are reduced, the stability of the connecting pipeline, the compressor and the evaporator are improved, the maintenance frequency of equipment is reduced, the service cycle of the connecting pipeline is prolonged, and the normal operation of the screw refrigerating unit is ensured.
Description
Technical Field
The utility model relates to a screw rod refrigeration plant technical field, concretely relates to screw rod refrigerator accessory reinforcing apparatus.
Background
Screw refrigerating units have become the main equipment in the two fields of aerodynamic and refrigeration air conditioning, and occupy considerable market share in aerodynamic devices with medium volume flow and refrigeration devices with medium refrigerating capacity.
The screw refrigerating unit mainly comprises a screw compressor, a condenser, an evaporator, an automatic control element, an instrument and the like, when the compressor works, the generated vibration easily causes the connecting pipeline between the evaporator and the compressor to loose and shake, so that the connecting pipeline is frequently required to be overhauled, and the normal work of the refrigerating unit is influenced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a screw rod refrigerator accessory reinforcing apparatus to reduce connecting tube vibrations, the range of rocking at the compressor during operation, reduce the risk that connecting tube wearing and tearing and drop.
In order to achieve the above object, the utility model provides a screw rod refrigerator accessory reinforcing device, which comprises an evaporator; the compressor is arranged on the evaporator, and a fixed seat is arranged between the compressor and the evaporator; the connecting pipeline is of a U-shaped structure and comprises a first pipe body, a second pipe body and a third pipe body which are sequentially connected, one end of the first pipe body is connected with the compressor, and one end of the third pipe body is connected with the evaporator; and an outside fastening mechanism, the outside fastening mechanism comprising: the two support columns are vertically arranged on two sides of the connecting pipeline in parallel; the first transverse plate is movably arranged on the two support columns in a penetrating mode and located above the first pipe body, and a first hoop body used for fastening the first pipe body is arranged on the first transverse plate; the second transverse plate is movably arranged on the two support columns in a penetrating mode and located below the third pipe body, and a second hoop body used for fastening the second pipe body is arranged on the second transverse plate; and the fastener is used for locking the first transverse plate and the second transverse plate.
Preferably, the support column includes: the first transverse plates are movably arranged on the two first screw rods in a penetrating manner; the connecting rod is connected to the bottom of the first screw rod; the second transverse plates are movably arranged on the two second screw rods in a penetrating manner; each first screw rod and the second screw rod are provided with at least one fastener in threaded fit, the first hoop body is provided with a first arc-shaped groove in conformal fit with the outer contour of the first pipe body, and the second hoop body is provided with a second arc-shaped groove in conformal fit with the outer contour of the second pipe body.
Preferably, the device further comprises a medial fastening mechanism, the medial fastening mechanism comprising: the two guide rods are vertically arranged between the two connecting rods in parallel, and each guide rod is connected to one connecting rod on the corresponding side; the two lantern rings are respectively arranged between the two guide rods; an adjusting nut which is rotationally fitted in the collar; the lifting screw is in threaded fit in the adjusting nut; the third hoop body is arranged at the top end of one of the lifting screw rods, a third arc-shaped groove matched with the outer contour of the first pipe body in a form-fit manner is arranged on the third hoop body, the fourth hoop body is arranged at the bottom end of the other lifting screw rod, and a fourth arc-shaped groove matched with the outer contour of the third pipe body in a form-fit manner is arranged on the fourth hoop body; and a rotation stopping assembly for stopping the rotation of the lifting screw.
Preferably, the rotation stopping assembly comprises: a rotation stopping rod connected to one end of the lifting screw rod far away from the third hoop body/the fourth hoop body; and the two ends of each rotation stopping rod are respectively provided with one rotation stopping ring, and the rotation stopping rings are sleeved on the guide rods in a sliding manner.
Preferably, a bearing is fixed in an inner ring of the lantern ring, and the adjusting nut is fixedly sleeved in the bearing in a penetrating manner.
Preferably, the outer side fastening mechanism further comprises a bracket and fixing rods, the bracket is connected to the fixing seat, and the fixing rods are respectively connected to the tops of the two first screw rods; the support column further comprises a base, the base is connected to the bottom of the second screw rod, and the base is fixed to the support.
Preferably, shockproof rubber pads are arranged in the first arc-shaped groove, the second arc-shaped groove, the third arc-shaped groove and the fourth arc-shaped groove.
Preferably, the evaporator further comprises a condenser, and the condenser is arranged at the bottom of the evaporator.
The utility model has the advantages that:
the utility model discloses a screw rod refrigerator accessory reinforcing apparatus, it connects two spinal branch daggers on the fixing base, through removing first diaphragm on the support column, makes first hoop body detain on the top surface of first body, then the first diaphragm of operating fastener locking. Similarly, remove the second diaphragm on the support column, make the second hoop body detain on the bottom surface of third body, then the operating fastening piece locks the second diaphragm, thereby make first hoop body and second hoop body mutually support and cramp first body and third body, effectively reduced the vibrations of connecting tube at the compressor during operation, the range of rocking, connecting tube wearing and tearing and the condition of droing have been reduced, the stability that connecting tube is connected with compressor and evaporimeter has been promoted, the number of times of equipment maintenance has been reduced, the life cycle of connecting tube has been prolonged, screw rod refrigerating unit's normal operating has been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of an accessory reinforcement device for a screw refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an outboard fastening mechanism;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic diagram of the outer fastening mechanism and the inner fastening mechanism tightening the connecting conduit;
fig. 5 is a schematic structural view of the connection of the guide rod and the collar.
Reference numerals:
1-evaporator, 2-compressor, 3-fixed seat, 4-connecting pipe, 41-first pipe, 42-second pipe, 43-third pipe, 5-outside fastening mechanism, 51-supporting column, 511-first screw, 512-connecting rod, 513-second screw, 514-base, 52-first transverse plate, 53-first hoop body, 54-second transverse plate, 55-second hoop body, 56-fastener, 57-bracket, 58-fixing rod, 6-inside fastening mechanism, 61-guide rod, 62-lantern ring, 63-adjusting nut, 64-lifting screw, 65-third hoop body, 66-fourth hoop body, 67-rotation stopping component, 671-rotation stopping rod, 672-rotation stopping ring, 68-bearing, 7-shockproof rubber pad, 8-condenser and 9-base.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 5, in an embodiment of the present invention, there is provided a screw refrigerator accessory reinforcement device, including an evaporator 1, a compressor 2, a connecting pipe 4, and an outer fastening mechanism 5.
Compressor 2 is through having fixing base 3 fixed mounting on evaporimeter 1, and connecting tube 4 is the U-shaped structure, and connecting tube 4 is connected with compressor 2 including the first body 41, second body 42 and the third body 43 that connect gradually, the one end of first body 41, and the one end and the evaporimeter 1 of third body 43 are connected.
The outboard fastening mechanism 5 includes a support post 51, a first cross plate 52, a second cross plate 54, and a fastener 56. Wherein, fixedly connected with support 57 on the fixing base 3, support column 51 is fixed on support 57, and two support columns 51 are along the both sides of vertical parallel arrangement connecting tube 4. The first transverse plate 52 is movably arranged on the two support columns 51 in a penetrating manner and located above the first tube body 41, the first hoop body 53 used for fastening the first tube body 41 is fixed on the first transverse plate 52, the second transverse plate 54 is movably arranged on the two support columns 51 in a penetrating manner and located below the third tube body 43, the second hoop body 55 used for fastening the second tube body 42 is fixed on the second transverse plate 54, and the fastener 56 is used for locking the first transverse plate 52 and the second transverse plate 54.
The screw refrigerator accessory reinforcement device of the present embodiment connects two support columns 51 to the fixing base 3, moves the first horizontal plate 52 on the support columns 51, makes the first hoop body 53 buckle on the top surface of the first tube 41, and then operates the fastener 56 to lock the first horizontal plate 52. Similarly, the second transverse plate 54 is moved on the supporting column 51, the second hoop body 55 is buckled on the bottom surface of the third pipe body 43, and then the second transverse plate 54 is locked by operating the fastener 56, so that the first hoop body 53 and the second hoop body 55 are matched with each other to hoop the first pipe body 41 and the third pipe body 43, vibration and shaking amplitude of the connecting pipeline 4 during the operation of the compressor 2 are effectively reduced, the abrasion and falling conditions of the connecting pipeline 4 are reduced, the stability of the connecting pipeline 4 connected with the compressor 2 and the evaporator 1 is improved, the frequency of equipment maintenance is reduced, the service cycle of the connecting pipeline 4 is prolonged, and the normal operation of the screw refrigerating unit is ensured.
In one embodiment, the support post 51 includes a first screw 511, a connecting rod 512, and a second screw 513. The first horizontal plate 52 is movably disposed on the two first screws 511, and the connecting rod 512 is vertically and fixedly connected to the bottom of the first screws 511. The second screws 513 are fixedly connected to the bottom of the connecting rod 512 along the vertical direction, and the second horizontal plate 54 is movably arranged on the two second screws 513 in a penetrating manner. Each of the first screw 511 and the second screw 513 is provided with a fastening member 56 in threaded fit, the first hoop body 53 is provided with a first arc-shaped groove in form fit with the outer contour of the first pipe body 41, and the second hoop body 55 is provided with a second arc-shaped groove in form fit with the outer contour of the second pipe body 42.
The fastener 56 on the first screw 511 is located above the first cross plate 52 and the fastener 56 on the second screw 513 is located below the second cross plate 54. By moving the first horizontal plate 52 on the supporting column 51, the first hoop body 53 is buckled on the top surface of the first tube 41, and then the fastening member 56 on each first screw 511 is tightened, because the first hoop body 53 is tightly pressed against the first tube 41, the first horizontal plate 52 can be locked, and the first tube 41 can be pressed after the fastening member 56 is tightened. Similarly, by moving the second horizontal plate 54 on the supporting post 51 to make the second hoop body 55 buckle on the bottom surface of the third tube 43, and then tightening the fastening device 56 on each second screw 513, the second hoop body 55 is tightly pressed against the third tube 43, so that the second horizontal plate 54 can be locked and the third tube 43 can be tightly pressed after tightening the fastening device 56. The first pipe body 41 and the third pipe body 43 are hooped by mutually matching the first hoop body 53 and the second hoop body 55, so that the vibration and the shaking amplitude of the connecting pipeline 4 in the working process of the compressor 2 are effectively reduced, the abrasion and the falling-off condition of the connecting pipeline 4 are reduced, and the fastening piece 56 selects the locking nut.
In one embodiment, the fastening device further comprises an inner fastening mechanism 6, wherein the inner fastening mechanism 6 comprises a guide rod 61, a collar 62, an adjusting nut 63, a lifting screw 64, a third hoop body 65, a fourth hoop body 66 and a rotation stopping assembly 67. The number of the guide rods 61 is two, the two guide rods 61 are arranged between the two connecting rods 512 in parallel along the vertical direction, and each guide rod 61 is fixedly connected to one connecting rod 512 on one corresponding side through a support lug. The number of the collars 62 is two, and the two collars 62 are fixed between the two guide rods 61, respectively. The number of the adjusting nuts 63 is two, each adjusting nut 63 is rotatably fitted in a corresponding one of the collars 62, the number of the lifting screws 64 is also two, and each lifting screw 64 is threadedly fitted in a corresponding one of the adjusting nuts 63. The third hoop body 65 is fixed on the top end of a lifting screw 64 located above, and a third arc-shaped groove matched with the outer contour of the first pipe body 41 in a form fit manner is arranged on the third hoop body 65. The fourth hoop body 66 is fixed at the bottom end of a lifting screw 64 located below, a fourth arc-shaped groove matched with the outer contour of the third pipe body 43 in a form fit manner is formed in the fourth hoop body 66, and the rotation stopping assembly 67 is used for preventing the lifting screw 64 from rotating.
Because the lifting screw 64 is restricted by the rotation stopping assembly 67 and cannot rotate, when the adjusting nut 63 is rotated, the adjusting nut 63 drives the lifting screw 64 to lift relative to the adjusting nut 63, so as to drive the third hoop body 65 to abut against the bottom of the first tube 41, or drive the fourth hoop body 66 to abut against the top of the third tube 43. Thus, the first band 53 and the third band 65 together tighten the first pipe 41, and the second band 55 and the fourth band 66 together tighten the third band 65. Outside fastening device 5 and inboard fastening device 6 are designed respectively through the outside and the inboard at connecting tube 4 to it is fixed to press from both sides tightly 4 insides and carry out simultaneously, effectively reduced the vibrations of connecting tube 4 at compressor 2 during operation, the range of rocking, promoted the stability that connecting tube 4 is connected with compressor 2 and evaporimeter 1.
In one embodiment, the number of anti-rotation assemblies 67 is two, and each anti-rotation assembly 67 includes an anti-rotation rod 671 and an anti-rotation ring 672. The rotation stopping rod 671 is fixed at one end of the lifting screw 64 far from the third hoop body 65/the fourth hoop body 66. Two ends of each rotation stopping rod 671 are respectively fixed with a rotation stopping ring 672, and the rotation stopping rings 672 are sleeved on the guide rod 61 in a sliding manner. Since the rotation stop ring 672 can only slide along the guide rod 61, when the adjusting nut 63 is rotated, the adjusting nut 63 does not rotate the lifting screw 64 while rotating in the collar 62, and only the lifting screw 64 can be lifted relative to the adjusting nut 63.
In one embodiment, a bearing 68 is fixed in the inner ring of the collar 62, and the adjusting nut 63 is fixedly inserted in the bearing 68.
In one embodiment, in order to raise the overall structure of the outside fastening mechanism 5, the outside fastening mechanism 5 further includes a bracket 57 and fixing rods 58, the bracket 57 is connected to the fixing base 3, and the fixing rods 58 are respectively connected to the tops of the two first screw rods 511; the supporting column 51 further comprises a base 514, the base 514 is connected to the bottom of the second screw 513, and the base 514 is fixed on the bracket 57.
In one embodiment, to further enhance the anti-vibration effect on the first tube 41 and the third tube 43, anti-vibration rubber pads 7 are disposed in the first arc-shaped groove, the second arc-shaped groove, the third arc-shaped groove and the fourth arc-shaped groove.
In one embodiment, the screw refrigerating unit further comprises a condenser 8, the condenser 8 is arranged at the bottom of the evaporator 1, and the condenser 8 is fixed on a base 9. The compressor 2, the evaporator 1 and the condenser 8 are sequentially fixed from top to bottom, so that the occupied space of the screw refrigerating unit is effectively reduced.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a screw rod refrigerator accessory reinforcing apparatus which characterized in that: the method comprises the following steps:
an evaporator;
the compressor is arranged on the evaporator, and a fixed seat is arranged between the compressor and the evaporator;
the connecting pipeline is of a U-shaped structure and comprises a first pipe body, a second pipe body and a third pipe body which are sequentially connected, one end of the first pipe body is connected with the compressor, and one end of the third pipe body is connected with the evaporator; and
an outboard fastening mechanism, the outboard fastening mechanism comprising:
the two support columns are vertically arranged on two sides of the connecting pipeline in parallel;
the first transverse plate is movably arranged on the two support columns in a penetrating mode and located above the first pipe body, and a first hoop body used for fastening the first pipe body is arranged on the first transverse plate;
the second transverse plate is movably arranged on the two support columns in a penetrating mode and located below the third pipe body, and a second hoop body used for fastening the second pipe body is arranged on the second transverse plate; and
and the fastener is used for locking the first transverse plate and the second transverse plate.
2. The reinforcement device of claim 1, wherein: the support column includes:
the first transverse plates are movably arranged on the two first screw rods in a penetrating manner;
the connecting rod is connected to the bottom of the first screw rod; and
the second screw rods are connected to the bottoms of the connecting rods, and the second transverse plates movably penetrate through the two second screw rods;
each first screw rod and the second screw rod are provided with at least one fastener in threaded fit, the first hoop body is provided with a first arc-shaped groove in conformal fit with the outer contour of the first pipe body, and the second hoop body is provided with a second arc-shaped groove in conformal fit with the outer contour of the second pipe body.
3. The reinforcement device of claim 2, wherein: still include inboard fastening device, inboard fastening device includes:
the two guide rods are vertically arranged between the two connecting rods in parallel, and each guide rod is connected to one connecting rod on the corresponding side;
the two lantern rings are respectively arranged between the two guide rods;
an adjusting nut which is rotationally fitted in the collar;
the lifting screw is in threaded fit in the adjusting nut;
the third hoop body is arranged at the top end of one of the lifting screws, a third arc-shaped groove which is matched with the outer contour of the first pipe body in a form-fitting manner is arranged on the third hoop body,
the fourth hoop body is arranged at the bottom end of the other lifting screw rod, and a fourth arc-shaped groove matched with the outer contour of the third pipe body in a form-fitting manner is formed in the fourth hoop body; and
a rotation stop assembly for preventing rotation of the lifting screw.
4. The reinforcement device of claim 3, wherein: the rotation stopping assembly comprises:
a rotation stopping rod connected to one end of the lifting screw rod far away from the third hoop body/the fourth hoop body; and
the two ends of each rotation stopping rod are respectively provided with one rotation stopping ring, and the rotation stopping rings are sleeved on the guide rods in a sliding mode.
5. The reinforcement device of claim 3, wherein: and a bearing is fixed in the inner ring of the lantern ring, and the adjusting nut is fixedly sleeved in the bearing in a penetrating manner.
6. The reinforcement device of claim 2, wherein: the outer side fastening mechanism further comprises a support and fixing rods, the support is connected to the fixing seat, and the fixing rods are respectively connected to the tops of the two first screw rods;
the support column further comprises a base, the base is connected to the bottom of the second screw rod, and the base is fixed to the support.
7. The reinforcement device of claim 3, wherein: and shockproof rubber pads are arranged in the first arc-shaped groove, the second arc-shaped groove, the third arc-shaped groove and the fourth arc-shaped groove.
8. The reinforcement device of claim 1, wherein: still include the condenser, the condenser setting is in the bottom of evaporimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146014.4U CN213955677U (en) | 2020-12-23 | 2020-12-23 | Screw rod refrigerator accessory reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146014.4U CN213955677U (en) | 2020-12-23 | 2020-12-23 | Screw rod refrigerator accessory reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213955677U true CN213955677U (en) | 2021-08-13 |
Family
ID=77195048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023146014.4U Expired - Fee Related CN213955677U (en) | 2020-12-23 | 2020-12-23 | Screw rod refrigerator accessory reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213955677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253336A (en) * | 2022-08-19 | 2022-11-01 | 江西纵横特种设备有限公司 | Gas-water separation type MVR evaporator |
-
2020
- 2020-12-23 CN CN202023146014.4U patent/CN213955677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253336A (en) * | 2022-08-19 | 2022-11-01 | 江西纵横特种设备有限公司 | Gas-water separation type MVR evaporator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |