CN216974187U - House stair template firm type bearing structure - Google Patents
House stair template firm type bearing structure Download PDFInfo
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- CN216974187U CN216974187U CN202220538929.XU CN202220538929U CN216974187U CN 216974187 U CN216974187 U CN 216974187U CN 202220538929 U CN202220538929 U CN 202220538929U CN 216974187 U CN216974187 U CN 216974187U
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- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 26
- 238000010586 diagram Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The application discloses a stable supporting structure of a house stair template, which comprises a supporting plate, wherein the supporting plate comprises a fixing part and a sliding part, one side, close to the sliding part, of the fixing part is provided with a sliding groove, and one side, close to the fixing part, of the sliding part is fixedly connected with a sliding block in sliding fit with the sliding groove; the lifting support rod is hinged to one end, close to the bottom plate, of the fixing part, and the other lifting support rod is hinged to one end, close to the bottom plate, of the sliding part; and the bottom plate is also provided with a driving mechanism for driving the two sliding plates to move in the opposite direction. This application has the effect that makes bearing structure be used for supporting the stair template that the width is different.
Description
Technical Field
The application relates to the field of house construction, in particular to a stable type supporting structure for a house stair formwork.
Background
The template is a temporary supporting structure, and when concrete is used for pouring the stair, the template needs to be erected correspondingly at first, and when the template is erected, the template needs to be stably used for concrete pouring through the supporting structure.
Chinese patent with application number CN202022752054.7 in the correlation technique, a stair formwork support system is provided, which comprises a plurality of support pieces, connect through the connecting rod between two adjacent support pieces, support piece includes the backup pad, one side is laminated with the stair formwork when the backup pad is used, the articulated bracing piece that is provided with of another side of backup pad, the bracing piece includes sleeve and slide bar, the sleeve cover is established on the slide bar and sleeve sliding fit, be provided with the slip subassembly that is used for the slide bar in the sleeve, still be provided with the mounting that is used for fixed slide bar position in the sleeve on the sleeve, can be applicable to the stair formwork of strutting not co-altitude.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the height of the support plate is adjusted through the sleeve and the sliding rod to adapt to the stair templates with different heights, but the length of the support plate for supporting the stair templates is fixed in the related art, so that the support plate is difficult to be used for supporting the stair templates with different widths.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that bearing structure is difficult to be used for supporting the stair template that the width is different, this application provides a house stair template firm type bearing structure.
The application provides a stable type bearing structure of house stair template adopts following technical scheme:
a stable support structure for a house stair template comprises a support plate, wherein the support plate comprises a fixed part and a sliding part, a sliding groove is formed in one side, close to the sliding part, of the fixed part, and a sliding block in sliding fit with the sliding groove is fixedly connected to one side, close to the fixed part, of the sliding part;
the lifting support rod is hinged to one end, close to the bottom plate, of the fixing part, and the other lifting support rod is hinged to one end, close to the bottom plate, of the sliding part; and the bottom plate is also provided with a driving mechanism for driving the two sliding plates to move in the opposite direction.
Through adopting above-mentioned technical scheme, actuating mechanism orders about the slide and slides in opposite directions on the bottom plate can drive the fixed part of backup pad and the portion of sliding and slide in opposite directions, and then changes the holistic width of backup pad, sets up the slip direction of two slides into the width direction of stair template, and the backup pad can support the stair template that the width is different promptly.
Optionally, the driving mechanism includes a bidirectional screw, the two sliding plates are respectively in threaded connection with two ends of the bidirectional screw, which are opposite in thread turning direction, the sliding plates are further provided with a guide structure for limiting the sliding plates to follow the bidirectional screw, and the bottom plate is further provided with a driving piece for driving the bidirectional screw to rotate.
By adopting the technical scheme, after the sliding plate is limited to rotate along with the bidirectional screw by the guide structure, the driving piece drives the bidirectional screw to rotate, the bidirectional screw further drives the sliding plate connected with the bidirectional screw to move along the axial direction of the bidirectional screw, and the two sliding plates are respectively connected with two ends of the bidirectional screw with opposite screw threads in rotating directions, so that when the bidirectional screw rotates, the two sliding plates slide in opposite directions/opposite directions along the axial direction of the bidirectional screw, and further the sliding part and the fixing part slide in opposite directions/opposite directions.
Optionally, the guide structure includes a guide bar fixedly connected to the slide plate near one end of the bottom plate, a guide groove matched with the guide bar in a sliding manner is formed in the bottom plate, the length direction of the guide groove is the sliding direction of the slide plate, and one end of the slide plate near the bottom plate is attached to the bottom plate.
By adopting the technical scheme, the sliding plate is difficult to rotate along with the rotation of the bidirectional screw rod due to the matching of the guide strip and the guide groove, and then moves on the bidirectional screw rod; meanwhile, the sliding plate can be attached to the bottom plate through the matching of the guide strips and the guide grooves, so that the contact area of the sliding plate and the bottom plate is as large as possible, and the sliding plate can stably support the stair template.
Optionally, a plurality of inserting plates are movably arranged on the sliding block, and when the inserting plates are inserted into the sliding block, the inserting plates, the fixing parts and the sliding parts are coplanar at one side close to the stair template.
Through adopting above-mentioned technical scheme, after the portion of sliding slides to the width of adaptation stair template, peg graft the picture peg on the slider, picture peg, fixed plate and the portion of sliding are close to the one side coplane of stair template this moment, can effectively improve the whole area of contact with the stair template of backup pad, make the backup pad provide the support to the stair template better.
Optionally, the lifting support rod comprises a fixed rod fixedly connected to the sliding plate and a sliding rod connected to the fixed rod in a sliding manner, and a locking structure used for locking the sliding rod on the fixed rod is further arranged on the fixed rod.
Through adopting above-mentioned technical scheme, the slide bar slides on the dead lever, through the locking structure with the slide bar locking in the different positions of dead lever can change the length of lift spinal branch, make bearing structure be used for the stair extension board of height and slope difference.
Optionally, the locking structure includes an outer chute penetrating through two opposite positions of the fixing rod and an inner hole penetrating through the inner hole in the sliding rod, a locking bolt penetrating through the outer chute and the inner hole together is arranged on the fixing rod, and a locking nut is connected to the locking bolt through threads.
Through adopting above-mentioned technical scheme, the cooperation of locking bolt and locking nut can be with the slide bar locking in the not co-altitude of dead lever, and then makes bearing structure be used for the stair extension board of height and slope difference.
Optionally, the slide bar is provided with scale marks along a length direction thereof.
Through adopting above-mentioned technical scheme, the slide position of slide bar can be confirmed accurately to operating personnel by the scale mark, the length of the accurate regulation lift branch of being convenient for, also be convenient for adjust two lift branches that a backup pad corresponds to same length simultaneously.
Optionally, the slide bar is close to the one end rigid coupling of backup pad has the fixed plate, the fixed part with the portion of sliding is close to the equal rigid coupling of one end of slide bar has the rotor plate, the rotor plate articulate in the fixed plate, still be provided with on the rotor plate be used for with the rotor plate locking in locking subassembly on the fixed plate.
Through adopting above-mentioned technical scheme, locking mechanism can change the angle of the backup pad space of a whole page with the different angles of rotor plate locking on the fixed plate, make the backup pad be close to the one end of stair template can be better with the laminating of stair template, improve the backup pad in the area of contact of stair template, and then promote the backup pad to the support effect of stair template.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving mechanism drives the sliding plates to slide on the bottom plate in the opposite direction/reverse direction so as to drive the fixed part and the sliding part of the supporting plate to slide in the opposite direction/reverse direction, the whole width of the supporting plate is further changed, the sliding directions of the two sliding plates are set to be the width directions of the stair templates, and the supporting plate can support the stair templates with different widths;
2. after the sliding part slides to the width matched with the stair template, the inserting plate is inserted into the sliding block, and at the moment, the inserting plate, the fixing plate and one side of the sliding part close to the stair template are coplanar, so that the contact area of the whole supporting plate and the stair template can be effectively increased, and the supporting plate can better support the stair template;
3. the pole slides on the dead lever, through the locking structure with the slide bar locking in the dead lever different positions can change the length of lift spinal branch, make bearing structure be used for the stair extension board of height and slope difference.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram mainly used for showing a support plate in an embodiment of the present application.
Fig. 3 is a schematic structural diagram mainly used for showing a board according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram mainly used for showing a driving mechanism in the embodiment of the application.
Fig. 5 is a schematic structural diagram mainly used for showing a lifting strut in the embodiment of the present application.
Fig. 6 is a schematic structural diagram mainly showing a fixed plate, a rotating plate, a fixed bolt and a fixed nut according to an embodiment of the present application.
Reference numerals: 1. a support plate; 11. a fixed part; 12. a slider; 13. a sliding part; 14. a chute; 161. inserting plates; 162. a glue layer; 2. a base plate; 3. a slide plate; 4. a lifting strut; 41. fixing the rod; 42. a slide bar; 43. a locking structure; 431. an outer chute; 432. an inner hole is formed; 433. locking the bolt; 434. a lock nut; 44. scale lines; 5. a drive mechanism; 51. a bidirectional screw; 52. a guide structure; 521. a guide strip; 522. a guide groove; 53. a drive motor; 61. a fixing plate; 62. a rotating plate; 63. a locking assembly; 631. a through hole; 632. an arc-shaped slot; 633. fixing the bolt; 634. and (5) fixing the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses house stair template firm type bearing structure. Referring to fig. 1 and 2, house stair template firm type bearing structure includes backup pad 1, and backup pad 1 includes fixed part 11 and the portion of sliding 13, and fixed part 11 has seted up spout 14 near the one side of the portion of sliding 13, and the one side rigid coupling that the portion of sliding 13 is close to fixed part 11 has the slider 12 with the spout 14 slip adaptation, can change the total length of backup pad 1 through changing the stroke of sliding in slider 12 and the spout 14, makes it be used for supporting the different stair template of width.
Further, with reference to fig. 3, an inserting plate 161 is movably arranged on the sliding block 12, the inserting plate 161 in the embodiment of the present application is a U-shaped plate, an adhesive layer 162 is attached to an inner wall of the U-shaped inserting plate 161, when the fixing portion 11 and the sliding portion 13 slide to a position suitable for supporting the stair template, the inserting plate 161 is inserted into the sliding block 12 from a higher end of the sliding block 12, the adhesive layer 162 increases the friction force between the inserting plate 161 and the sliding plate 3, and after the inserting plate 161 is inserted, the inserting plate 161, the fixing plate 61 and the sliding portion 13 are coplanar near the stair template, so that the contact area between the whole supporting plate 1 and the stair template can be effectively increased, and the supporting plate 1 can better support the stair template.
In the embodiment of the present application, there is one insert plate 161, in another feasible embodiment, the width of the insert plate 161 is less than a quarter of the maximum sliding stroke of the sliding block 12, and four insert plates 161 are inserted into one sliding block 12; the insert plates 161 with smaller width can be more flexibly adapted to different sliding distances of the sliding blocks 12, and the number of the insert plates 161 can be conveniently selected according to the sliding stroke of the sliding blocks 12.
Referring back to fig. 1, the supporting structure of the stair template further comprises a bottom plate 2, the bottom plate 2 is connected with two sliding plates 3 in a sliding manner, the sliding plates 3 are fixedly connected with lifting support rods 4, one lifting support rod 4 is hinged to one end, close to the bottom plate 2, of the fixing part 11, and the other lifting support rod 4 is hinged to one end, close to the bottom plate 2, of the sliding part 13, namely one supporting plate 1 is supported by the two lifting support rods 4 together; the bottom plate 2 is also provided with a driving mechanism 5 for driving the two sliding plates 3 to move in opposite directions/opposite directions, the sliding plates 3 move to further drive the lifting support rods 4 arranged on the sliding plates 3 to move, and finally, the fixing parts 11 and the sliding parts 13 respectively connected with the two lifting support rods 4 are driven to move in opposite directions/opposite directions, so that the length of the support plate 1 is adjusted.
Specifically, referring to fig. 4, the driving mechanism 5 includes a bidirectional screw 51 rotatably disposed on the bottom plate 2, and when the supporting structure is used, the axial direction of the bidirectional screw 51 is parallel to the width direction of the stair template; the two sliding plates 3 are respectively in threaded connection with two opposite ends of the bidirectional screw 51 in opposite threaded directions, and the sliding plates 3 are further provided with a guide structure 52 for limiting the rotation of the sliding plates with the bidirectional screw 51.
The guiding structure 52 in the embodiment of the present application includes a guiding bar 521 fixedly connected to one end of the sliding plate 3 close to the bottom plate 2, and a guiding groove 522 opened on the bottom plate 2 and slidably fitted with the guiding bar 521. Two guide bars 521 are fixedly connected to one sliding plate 3 at intervals along the length direction of the stair template, and the number of the guide grooves 522 is accordingly two, and in the embodiment of the present application, the guide grooves 522 corresponding to the guide bars 521 on the two sliding plates 3 are arranged in a communicating manner.
The sliding plate 3 is connected to the bottom plate 2 in a sliding manner through the matching of the guide strip 521 and the guide groove 522, when the bidirectional screw 51 is rotated, the groove wall of the guide groove 522 limits the sliding plate 3 to rotate along with the bidirectional screw 51, so that the sliding plate 3 moves along the axial direction of the bidirectional screw 51, the sliding plate 3 drives the fixing part 11 and the sliding part 13 to slide mutually, and the support plate 1 is used for supporting stair templates with different widths; and the lower end surface of the sliding plate 3 can be attached to the upper end surface of the bottom plate 2 by guiding the sliding plate 3 through the guide bars 521 and the guide grooves 522, so that the contact area between the sliding plate 3 and the bottom plate 2 is as large as possible, and the sliding plate 3 can support the stair template more stably.
Further, the bottom plate 2 is further provided with a driving member for driving the bidirectional screw 51 to rotate, the driving member in the embodiment of the present application is a driving motor 53 fixedly connected to one side of the bidirectional screw 51, and an output end of the driving motor 53 is coaxially and fixedly connected to the bidirectional screw 51. In order to facilitate the installation of the driving motor 53, the thickness of the portion of the base plate 2 provided with the driving motor 53 in the embodiment of the present application is smaller than that of the portion of the base plate 2 provided with the bidirectional screw 51.
When using bearing structure, a stair template sets up multiunit bearing structure along length direction interval, and in this application embodiment, for the convenience of show, a stair template is provided with two sets of bearing structure, and the height through adjusting among the multiunit bearing structure lifting support rod 4 makes backup pad 1 be applicable to the stair of slope difference.
Referring to fig. 5, the lifting support rod 4 includes a fixed rod 41 fixedly connected to the sliding plate 3 and a sliding rod 42 slidably connected in the fixed rod 41, in which the fixed rod 41 and the sliding rod 42 are both square rods, scale marks 44 are marked on the sliding rod 42 to facilitate determining a sliding stroke of the sliding rod 42, and a locking structure 43 for locking the sliding rod 42 on the fixed rod 41 is further disposed on the fixed rod 41.
The locking structure 43 comprises an outer sliding groove 431 penetrating two opposite positions of the fixing rod 41 and an inner opening 432 penetrating the sliding rod 42, the inner opening 432 is communicated with the outer sliding groove 431, a locking bolt 433 is movably arranged on the fixing rod 41, after the sliding rod 42 slides to a proper position, the end of the locking bolt 433 penetrates through the outer sliding groove 431 and the inner opening 432 and then extends out of the outer sliding groove 431 on the other side, a locking nut 434 is connected to the end, extending out of the locking bolt 433, of the sliding rod 42 can be locked on the fixing rod 41 by rotating the locking nut 434.
Furthermore, the number of the locking nuts 434 in the embodiment of the present application is two, and during assembly, after the two locking nuts 434 are sequentially screwed and tightly attached, the locking nuts 434 close to the fixing rod 41 are rotated in the opposite direction, so that the nuts can be prevented from loosening, the sliding rod 42 is further stably locked on the fixing rod 41, and the lifting support rod 4 can be used for bearing more stably.
Referring to fig. 6, backup pad 1 is articulated with slide bar 42, can be convenient for can both be better with the laminating of stair template when the slope of stair template is different to improve backup pad 1 to the stability of stair template support, in the embodiment of this application, the one end rigid coupling that slide bar 42 is close to backup pad 1 has fixed plate 61, and the equal rigid coupling of one end that fixed part 11 and sliding part 13 are close to slide bar 42 has rotor plate 62, and rotor plate 62 articulates in fixed plate 61.
In the embodiment of the present application, one fixing plate 61 has two rotating plates 62, the two rotating plates 62 are respectively arranged on two sides of the fixing plate 61 in the width direction of the stair template, and the rotating plate 62 is further provided with a locking assembly 63 for locking the rotating plate 62 on the fixing plate 61.
Locking subassembly 63 includes fixing bolt 633 and fixation nut 634, the last arc wall 632 of having seted up of rotating plate 62, through-hole 631 has been seted up on the fixed plate 61, arc wall 632 and through-hole 631 intercommunication set up, when rotating plate 62 rotates to backup pad 1 when the stair template pastes, insert fixing bolt 633 one end of fixing bolt 633 back arc wall 632 and through-hole 631 and stretch out from the arc wall 632 on the rotating plate 62 of fixed plate 61 opposite side, fixation nut 634 threaded connection just locks rotating plate 62 on fixed plate 61 in the one end that fixing bolt 633 stretched out.
The implementation principle of the stable type supporting structure of the house stair formwork in the embodiment of the application is as follows: the two sliding plates 3 which are in threaded connection with the two ends of the two-way screw 51 are driven to slide in the opposite direction/reverse direction by rotating the two-way screw 51 through the driving motor 53, so that the lifting support rods 4 on the sliding plates 3 are driven to slide in the opposite direction/reverse direction, the sliding part 13 and the fixing part 11 of the support plate 1 are driven to slide in the opposite direction/reverse direction, the length of the support plate 1 is changed, and the support plate 1 is convenient to be suitable for stair templates with different widths; simultaneously through the cooperation of locking bolt 433 and locking nut 434 with slide bar 42 lock in the different positions of dead lever 41 can adjust the length of lift branch 4, be fixed in different angles with backup pad 1 through the cooperation of fixing bolt 633 and fixing nut 634, can make bearing structure be applicable to the stair template of height, slope difference, enlarged bearing structure's application range.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a house stair template type bearing structure that stabilizes, its characterized in that: the support plate comprises a support plate (1), wherein the support plate (1) comprises a fixing part (11) and a sliding part (13), a sliding groove (14) is formed in one side, close to the sliding part (13), of the fixing part (11), and a sliding block (12) in sliding fit with the sliding groove (14) is fixedly connected to one side, close to the fixing part (11), of the sliding part (13);
the lifting device is characterized by further comprising a bottom plate (2), the bottom plate (2) is connected with two sliding plates (3) in a sliding manner, lifting support rods (4) are fixedly connected to the sliding plates (3), one lifting support rod (4) is hinged to one end, close to the bottom plate (2), of the fixing part (11), and the other lifting support rod (4) is hinged to one end, close to the bottom plate (2), of the sliding part (13); the bottom plate (2) is also provided with a driving mechanism (5) for driving the two sliding plates (3) to move in the opposite direction.
2. The stable type supporting structure of house stair template of claim 1, characterized in that: actuating mechanism (5) include two-way screw rod (51), two slide (3) respectively threaded connection in two-way screw rod (51) screw thread revolves to opposite both ends, still be provided with on slide (3) and be used for restricting it along with two-way screw rod (51) pivoted guide structure (52), still be provided with on bottom plate (2) and be used for driving about two-way screw rod (51) pivoted driving piece.
3. The housing stair template stabilized support structure of claim 2, wherein: guide structure (52) include the rigid coupling in slide (3) are close to guide strip (521) of bottom plate (2) one end, bottom plate (2) go up offer with guide strip (521) slip adaptation guide way (522), the length direction of guide way (522) is the sliding direction of slide (3), slide (3) are close to the one end of bottom plate (2) with bottom plate (2) paste mutually.
4. The stable type supporting structure of house stair template of claim 1, characterized in that: the movable a plurality of picture peg (161) that is provided with on slider (12), work as picture peg (161) peg graft in when slider (12) are gone up, picture peg (161) fixed part (11) with one side coplane that sliding part (13) are close to the stair template.
5. The stable type supporting structure of the house stair formwork of any one of claims 1-4, wherein: lifting support pole (4) including rigid coupling in dead lever (41) on slide (3) with slide connect in slide bar (42) on dead lever (41), still be provided with on dead lever (41) be used for with slide bar (42) lock in locking structure (43) on dead lever (41).
6. The stable type supporting structure of house stair template of claim 5, characterized in that: the locking structure (43) comprises an outer sliding groove (431) penetrating through two opposite positions of the fixing rod (41) and an inner hole (432) penetrating through the sliding rod (42), the fixing rod (41) is provided with a locking bolt (433) penetrating through the outer sliding groove (431) and the inner hole (432) together, and the locking bolt (433) is connected with a locking nut (434) in a threaded mode.
7. The stable type supporting structure of house stair template of claim 5, characterized in that: the sliding rod (42) is provided with scale marks (44) along the length direction thereof.
8. The stable type supporting structure of house stair template of claim 5, characterized in that: slide bar (42) are close to the one end rigid coupling of backup pad (1) has fixed plate (61), fixed part (11) with the portion of sliding (13) are close to the equal rigid coupling of one end of slide bar (42) has rotor plate (62), rotor plate (62) articulate in fixed plate (61), still be provided with on rotor plate (62) be used for with rotor plate (62) locking in locking subassembly (63) on fixed plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538929.XU CN216974187U (en) | 2022-03-10 | 2022-03-10 | House stair template firm type bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538929.XU CN216974187U (en) | 2022-03-10 | 2022-03-10 | House stair template firm type bearing structure |
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| Publication Number | Publication Date |
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| CN216974187U true CN216974187U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220538929.XU Active CN216974187U (en) | 2022-03-10 | 2022-03-10 | House stair template firm type bearing structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464753A (en) * | 2022-08-01 | 2022-12-13 | 锦萧建筑科技有限公司 | Precast staircase mold |
| CN116197999A (en) * | 2023-03-24 | 2023-06-02 | 南京平达绿色建材科技有限公司 | A kind of preparation method of concrete compression prefabricated staircase |
| CN116378458A (en) * | 2023-05-08 | 2023-07-04 | 浙江双嘉建设工程有限公司 | A building reinforcement engineering structure and construction method thereof |
-
2022
- 2022-03-10 CN CN202220538929.XU patent/CN216974187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464753A (en) * | 2022-08-01 | 2022-12-13 | 锦萧建筑科技有限公司 | Precast staircase mold |
| CN116197999A (en) * | 2023-03-24 | 2023-06-02 | 南京平达绿色建材科技有限公司 | A kind of preparation method of concrete compression prefabricated staircase |
| CN116378458A (en) * | 2023-05-08 | 2023-07-04 | 浙江双嘉建设工程有限公司 | A building reinforcement engineering structure and construction method thereof |
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