CN111335469B - Steel structural support piece convenient to adjust - Google Patents
Steel structural support piece convenient to adjust Download PDFInfo
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- CN111335469B CN111335469B CN202010163808.7A CN202010163808A CN111335469B CN 111335469 B CN111335469 B CN 111335469B CN 202010163808 A CN202010163808 A CN 202010163808A CN 111335469 B CN111335469 B CN 111335469B
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- fixedly connected
- shell
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- wall
- gear
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2439—Adjustable connections, e.g. using elongated slots or threaded adjustment elements
Abstract
The invention discloses a steel structure supporting piece convenient to adjust, which comprises a shell, wherein a supporting column is arranged below the shell, a rectangular rod and a first shaft are arranged on the inner wall of the shell in a limiting and rotating mode, a first gear is fixedly connected to the surface of the first shaft, a first rack is meshed with the rear side of the first gear, the bottom of the first rack is fixedly connected with the top of the supporting column, a circular truncated cone-shaped shell is arranged in the shell, an air bag is arranged in the cavity of the circular truncated cone-shaped shell, a rectangular pipe is sleeved on the surface of the rectangular rod, penetrates through the circular truncated cone-shaped shell and is in sliding connection with the circular truncated cone-shaped shell, a handrail disc is fixedly connected to the right end of the rectangular pipe, and a rubber cover is fixedly connected to the. The invention solves the problem that the traditional steel structure supporting member is difficult to adjust the supporting rod and adapt to the inclined wall body with the supporting surface in the actual use process by matching the structures.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a steel structure supporting piece convenient to adjust.
Background
The steel structure supporting member generally comprises an installation base, a supporting column and a plurality of groups of supporting rods, and the steel structure supporting member can greatly prolong the service life of the supporting member and is frequently used in the building industry by adopting the steel as the material of the supporting column and the supporting rods.
However, the conventional steel structure supporting member generally installs the supporting rod on the pillar by means of bolt connection, welding or riveting, so that the conventional steel structure supporting member has the problem that the supporting rod is not easy to adjust, and is difficult to adapt to a wall body with an inclined supporting surface, and therefore, a steel structure supporting member is provided.
Disclosure of Invention
The invention aims to provide a steel structure supporting piece convenient to adjust, which improves a traditional device and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steel structural support piece convenient to adjust, includes the casing, the below of casing is equipped with the support column, the spacing rotation of inner wall of casing has rectangular pole and axle one, the fixed surface of axle one is connected with gear one, the rear side meshing of gear one has rack one, the bottom of rack one and the top fixed connection of support column.
The improved air-conditioning device is characterized in that a round table-shaped shell is arranged in the shell, an air bag is arranged in a cavity of the round table-shaped shell, a rectangular pipe is sleeved on the surface of the rectangular rod, the rectangular pipe penetrates through the round table-shaped shell and is in sliding connection with the round table-shaped shell, the right end of the rectangular pipe is fixedly connected with an armrest disc, the right side of the armrest disc is fixedly connected with a rubber cover in a sealing manner, the right side of the armrest disc is provided with a through hole and is fixedly connected with an air guide pipe through the through hole, the right end of the air guide pipe extends into the rubber cover, the left end of the air guide pipe penetrates through the rectangular pipe and extends into the air bag and is fixedly connected with the air bag in a sealing manner, the surface of the round table-shaped shell is provided with a through groove, ribs are fixedly connected on the inner wall in the cavity of the round table-shaped shell, the surface of the first shaft is fixedly connected with a second gear, the rear side of the second gear is meshed with a second rack, the second rack penetrates through the shell and is in sliding connection with the shell, the top fixedly connected with sleeve of rack two, telescopic inner wall sliding connection has the inserted block, the surface of inserted block and the inner wall sliding connection who leads to the groove, the bottom fixedly connected with pressure spring one of inserted block, the bottom of pressure spring one and the bottom fixed connection of sleeve inner wall, the fixed surface of rectangular rod is connected with slewing mechanism.
Preferably, slewing mechanism includes the worm, the worm run through by the rectangular pole and with rectangular pole fixed connection, the meshing of the front side of worm has the worm wheel, the inner wall fixedly connected with axle two of worm wheel, the inner wall fixedly connected with limiting plate that is close to the top on the casing, axle two runs through the limiting plate and spacing rotation on the limiting plate, the top fixedly connected with carousel of axle two, the last fixed surface of carousel is connected with bent type pinion rack, the side that is close to the top on the casing has seted up the through-hole and has rotated through the through-hole is spacing, the fixed surface of transmission shaft is connected with gear three, the tooth meshing on gear three's the surface and the bent type pinion rack, the last fixed surface that is close to both sides on the transmission shaft is connected with the backup pad.
Preferably, a torsion spring is fixedly sleeved on the surface of the first shaft close to the right end, and two ends of the torsion spring are fixedly connected with the second gear and the opposite side of the inner wall of the shell.
Preferably, the number of the first gears is two, and the two first gears are symmetrically arranged with respect to the vertical central line of the first shaft.
Preferably, the right side of the armrest disc is fixedly connected with a second pressure spring, and the right end of the second pressure spring is fixedly connected with the inner wall of the rubber cover.
Preferably, the top of the sleeve is an inclined surface matched with the arc-shaped profile on the truncated cone-shaped shell.
Preferably, the top of the inserting block is an arc-shaped surface and is movably connected with the surface of the air bag.
Preferably, the surfaces of the transmission shaft close to the two ends are fixedly connected with limit rings, and the opposite back sides of the two limit rings are rotatably connected with the inner wall of the shell.
Compared with the prior art, the invention has the following beneficial effects:
the air bag is held on the armrest disc by hands and presses the rubber cover, so that air in the rubber cover is conducted into the air bag in the truncated cone-shaped shell through the air guide tube, the air bag is expanded and can fill the through groove on the surface of the truncated cone-shaped shell, the expanded air bag can extrude the insert block from the through groove, and at the moment, the locking between the sleeve and the truncated cone-shaped shell is released through the insert block, so that the sleeve and the truncated cone-shaped shell can smoothly slide relatively;
the left and right movement of the truncated cone-shaped shell is finally realized through the transmission of the rectangular tube by pushing and pulling the armrest disc leftwards and rightwards, the sleeve and the rack II are pressed downwards in the left movement process of the truncated cone-shaped shell, the rack II is accompanied with the downward movement of the rack II, the rack II drives the shaft I to perform the limiting rotation in the shell, meanwhile, the gear I is also subjected to the limiting rotation in the shell through the transmission of the shaft I, the lifting of the rack I is realized through the rotation of the gear I, the bottom of the rack I is fixed on the supporting column, the shell is integrally lifted relative to the supporting column through the expansion and contraction of the rack I, when the surface to be supported is horizontal, the supporting plate in the rotating mechanism can be directly contacted with the surface to be supported to support the surface to be supported, after the supporting is finished, the pressing of the rubber cover is released, the high-pressure gas in the air bag can be transferred into the rubber cover along the air duct, and the through groove on the truncated cone-shaped shell can be exposed again, the left and right positions of the truncated cone-shaped shell are slightly adjusted, so that the insertion block can quickly enter the through groove closest to the insertion block, the locking among the truncated cone-shaped shell, the sleeve and the insertion block is completed again, and the shell can keep the adjusted height;
through the arrangement of the rotating mechanism, the supporting angle of the supporting plate can be adjusted by controlling the armrest disk so as to adapt to the requirement that the surface to be supported is an inclined surface;
thirdly, the supporting rods are not easy to adjust due to the fact that the traditional steel structure supporting member is used in a matched mode, and the problem that the supporting surface is difficult to adapt to a wall with an inclined surface in the actual use process is solved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the housing of the present invention;
FIG. 3 is a front cross-sectional view of a frustoconical housing of the invention;
FIG. 4 is an enlarged view of the structure of FIG. 2;
FIG. 5 is a schematic structural view of a truncated cone-shaped housing according to the present invention;
figure 6 is a top view of the curved tooth plate of the present invention.
In the figure: the device comprises a shell 1, a support column 2, a rectangular rod 3, a shaft 4, a gear 5, a rack 6, a truncated cone shell 7, an air bag 71, a through groove 72, ribs 73, a rectangular pipe 8, a handrail disk 9, a rubber cover 10, an air guide pipe 11, a gear 12, a rack 13, a sleeve 14, an insert block 15, a compression spring 16, a rotating mechanism 17, a worm 18, a worm gear 19, a shaft 20, a limiting plate 21, a rotary disk 22, a curved toothed plate 23, a transmission shaft 24, a gear 25, a support plate 26, a support plate 27, a torsion spring 28, a compression spring two and a limiting ring 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a steel structure supporting piece convenient to adjust comprises a shell 1, wherein a supporting column 2 is arranged below the shell 1, and the supporting column 2 is also of a steel structure; the inner wall of the shell 1 is limited to rotate by a rectangular rod 3 and a first shaft 4, a first gear 5 is fixedly connected to the surface of the first shaft 4, a first rack 6 is meshed with the rear side of the first gear 5, the number of the first gears 5 fixedly connected to the bottom of the first rack 6 and the top of the support column 2 is two, the two first gears 5 are symmetrically arranged along the vertical central line of the first shaft 4, the two first gears 5 correspond to the two first racks 6, the left and right stress of the shell 1 is more balanced, meanwhile, the contact area between the shell and the support column 2 is increased, and the support is firmer;
a truncated cone-shaped shell 7 is arranged in the shell 1, an air bag 71 is arranged in a cavity of the truncated cone-shaped shell 7, a rectangular pipe 8 is sleeved on the surface of the rectangular rod 3, the rectangular pipe 8 penetrates through the truncated cone-shaped shell 7 and is in sliding connection with the truncated cone-shaped shell 7, a handrail disk 9 is fixedly connected to the right end of the rectangular pipe 8, a rubber cover 10 is fixedly connected to the right side of the handrail disk 9 in a sealing mode, a second pressure spring 28 is fixedly connected to the right side of the handrail disk 9, the right end of the second pressure spring 28 is fixedly connected with the inner wall of the rubber cover 10, and after the rubber cover 10 is relieved from being pressed, the rubber cover 10 can be quickly restored to the original state under the elastic force of the second pressure spring 28, and high-pressure air in the air bag 71 can be quickly transferred into the rubber cover 10;
the right side of the armrest plate 9 is provided with a through hole and is fixedly connected with an air duct 11 through the through hole, the right end of the air duct 11 extends into the rubber cover 10, the left end of the air duct 11 penetrates through the rectangular tube 8, extends into the air bag 71 and is fixedly connected with the air bag 71 in a sealing manner, the surface of the truncated cone-shaped shell 7 is provided with a through groove 72, the through groove 72 is not provided with an annular through groove, and the number of the through grooves 72 is not less than six, so that locking at various heights is realized to meet actual requirements; ribs 73 are fixedly connected to the inner wall in the cavity of the truncated cone-shaped shell 7, a complete shell can be still formed after a plurality of through grooves 72 are formed in the surface of the truncated cone-shaped shell 7 through the arrangement of the through grooves 72, and the ribs 73 play a role in positioning and supporting the truncated cone-shaped shell 7; the surface of the first shaft 4 is fixedly connected with a second gear 12, the surface of the first shaft 4 close to the right end is fixedly sleeved with a torsion spring 27, two ends of the torsion spring 27 are fixedly connected with the second gear 12 and the opposite side of the inner wall of the shell 1, and the second gear 12, the second rack 13 and the sleeve 14 can be matched with the right movement of the truncated cone-shaped shell 7 to realize reset rotation and reset upward movement through the arrangement of the torsion spring 27, so that the device is stronger in integrity and more convenient to use;
a second rack 13 is meshed with the rear side of the second gear 12, the second rack 13 penetrates through the shell 1 and is in sliding connection with the shell 1, a sleeve 14 is fixedly connected to the top of the second rack 13, the top of the sleeve 14 is an inclined plane matched with the arc-shaped profile on the truncated cone-shaped shell 7, through the arrangement of the inclined plane on the top of the sleeve 14, the sleeve 14 can slide on the arc-shaped profile of the truncated cone-shaped shell 7 more smoothly, and meanwhile, the top of the sleeve 14 cannot be embedded into the through groove 72;
the inner wall of the sleeve 14 is connected with the inserting block 15 in a sliding mode, the top of the inserting block 15 is an arc-shaped surface and is movably connected with the surface of the air bag 71, and the air bag 71 is prevented from being punctured by the inserting block 15 due to the fact that the top of the inserting block 15 is the arc-shaped surface, and inconvenience is brought to use;
the handrail disc 9 is held by hands and the rubber cover 10 is pressed, so that air in the rubber cover 10 is conducted into the air bag 71 in the truncated cone-shaped shell 7 through the air guide pipe 11, the air bag 71 is expanded to fill the through groove 72 on the surface of the truncated cone-shaped shell 7, the insert block 15 is extruded out of the through groove 72 by the expanded air bag 71, and the sleeve 14 and the truncated cone-shaped shell 7 are unlocked through the insert block 15, so that the sleeve 14 and the truncated cone-shaped shell 7 can slide smoothly relative to each other; in the actual use process, canvas can be arranged on the surface of the air bag to enhance the strength of the surface, the insertion block 15 can be more smoothly extruded by the contact of the canvas surface and the insertion block 15, the pressure in the air bag 71 is only larger than the elastic force of the first compression spring 16, and the deformation generated when the surface of the air bag 71 is in contact with the insertion block 15 can be ignored in the actual use process;
the surface of the insert block 15 is in sliding connection with the inner wall of the through groove 72, the bottom of the insert block 15 is fixedly connected with a first pressure spring 16, the bottom of the first pressure spring 16 is fixedly connected with the bottom of the inner wall of the sleeve 14, the surface of the rectangular rod 3 is fixedly connected with a rotating mechanism 17, the rotating mechanism 17 comprises a worm 18, the worm 18 is penetrated by the rectangular rod 3 and is fixedly connected with the rectangular rod 3, the front side of the worm 18 is meshed with a worm wheel 19, a reverse locking effect is achieved between the worm 18 and the worm wheel 19, namely the worm wheel 19 cannot be driven to rotate by rotation of the worm wheel 18, and therefore the angle of the support plate 26 can be kept unchanged continuously after rotation adjustment is completed, and stable and continuous support is achieved; a second shaft 20 is fixedly connected to the inner wall of the worm wheel 19, a limiting plate 21 is fixedly connected to the inner wall, close to the top, of the shell 1, the second shaft 20 penetrates through the limiting plate 21 and rotates in a limiting manner on the limiting plate 21, a rotating disc 22 is fixedly connected to the top of the second shaft 20, a curved toothed plate 23 is fixedly connected to the upper surface of the rotating disc 22, the curved toothed plate 23 is not in seamless connection between the two third gears 25, and when the curved toothed plate 23 is located between the two third gears 25, the supporting plate 26 can be adjusted freely; the side surface of the shell 1 close to the top is provided with a through hole and is limited and rotated by the through hole to form a transmission shaft 24, the surfaces of the transmission shaft 24 close to the two ends are fixedly connected with limiting rings 29, the opposite sides of the two limiting rings 29 are rotatably connected with the inner wall of the shell 1, and the stability of limiting and rotating of the transmission shaft 24 in the shell 1 is further ensured by the arrangement of the two limiting rings 29 on the transmission shaft 24;
the left and right movement of the truncated cone-shaped shell 7 is finally realized through the transmission of the rectangular tube 8 by pushing and pulling the armrest disc 9 leftwards and rightwards, the sleeve 14 and the rack II 13 are pressed downwards in the left movement process of the truncated cone-shaped shell 7, the gear II 12 drives the shaft I4 to perform limited rotation in the shell 1 along with the downward movement of the rack II 13, meanwhile, the gear I5 performs limited rotation in the shell 1 through the transmission of the shaft I4, the lifting of the rack I6 is realized through the rotation of the gear I5, because the bottom of the rack I6 is fixed on the support column 2, the shell 1 is integrally lifted relative to the support column 2 through the stretching of the rack I6, when the surface to be supported is a horizontal surface, the support plate 26 in the rotating mechanism 17 can directly contact with the surface to be supported to support the surface, after the supporting is finished, the pressing of the rubber cover 10 is released, the high-pressure gas in the air bag 71 is transferred into the rubber cover 10 along the air duct 11, the through groove 72 on the truncated cone-shaped shell 7 is exposed again, and the insertion block 15 can quickly enter the through groove 72 closest to the truncated cone-shaped shell 7 by slightly adjusting the left and right positions of the truncated cone-shaped shell 7, so that the locking among the truncated cone-shaped shell 7, the sleeve 14 and the insertion block 15 is completed again, and the shell 1 can keep the adjusted height;
the surface of the transmission shaft 24 is fixedly connected with a gear III 25, the surface of the gear III 25 is meshed with teeth on the curved toothed plate 23, the upper surface of the transmission shaft 24 close to two sides is fixedly connected with a supporting plate 26, when the device is used, the handrail disk 9 is manually driven to rotate, the rectangular tube 8 is used for driving the rectangular rod 3 to synchronously rotate in the shell 1 in a limiting manner, the rectangular rod 3 is used for synchronously driving the worm 18 to synchronously rotate in the shell 1 in a limiting manner, the worm 18 is used for driving the worm wheel 19 and the shaft II 20 to rotate in the shell 1 in a limiting manner, and the turntable 22 is driven by the shaft II 20 to drive the curved toothed plate 23 to rotate in the shell 1 in a limiting manner;
in the process that the curved toothed plate 23 rotates for a circle in the shell 1 along with the rotating disc 22, the curved toothed plate 23 can be sequentially contacted with and meshed with the two gears three 25 on the transmission shaft 24 to drive the transmission shaft to rotate, the rotating directions of the two gears three 25 are opposite, reciprocating rotation of the transmission shaft 24 is achieved, reciprocating rotation adjustment of the supporting plate 26 is finally achieved through transmission of the transmission shaft 24, and the supporting plate 26 can finally meet the inclination angle of a wall surface to be supported through adjustment of the rotating angle of the supporting plate 26.
The working principle is as follows: when the steel structure supporting piece convenient to adjust is used, the steel structure supporting piece is held on the handrail disc 9 through a hand and presses the rubber cover 10, so that air in the rubber cover 10 is conducted into the air bag 71 in the truncated cone-shaped shell 7 through the air duct 11, the air bag 71 is expanded and fills the through groove 72 on the surface of the truncated cone-shaped shell 7, the expanded air bag 71 extrudes the insert block 15 from the through groove 72, and therefore, the locking between the sleeve 14 and the truncated cone-shaped shell 7 is released through the insert block 15, and the sleeve 14 and the truncated cone-shaped shell 7 can slide smoothly and relatively; the left and right movement of the truncated cone-shaped shell 7 is finally realized through the transmission of the rectangular tube 8 by pushing and pulling the armrest disc 9 leftwards and rightwards, the sleeve 14 and the rack II 13 are pressed downwards in the left movement process of the truncated cone-shaped shell 7, the gear II 12 drives the shaft I4 to perform limited rotation in the shell 1 along with the downward movement of the rack II 13, meanwhile, the gear I5 performs limited rotation in the shell 1 through the transmission of the shaft I4, the lifting of the rack I6 is realized through the rotation of the gear I5, because the bottom of the rack I6 is fixed on the support column 2, the shell 1 is integrally lifted relative to the support column 2 through the stretching of the rack I6, when the surface to be supported is a horizontal surface, the support plate 26 in the rotating mechanism 17 can directly contact with the surface to be supported to support the surface, after the supporting is finished, the pressing of the rubber cover 10 is released, the high-pressure gas in the air bag 71 is transferred into the rubber cover 10 along the air duct 11, the through groove 72 on the truncated cone-shaped shell 7 is exposed again, and the insertion block 15 can quickly enter the through groove 72 closest to the truncated cone-shaped shell 7 by slightly adjusting the left and right positions of the truncated cone-shaped shell 7, so that the locking among the truncated cone-shaped shell 7, the sleeve 14 and the insertion block 15 is completed again, and the shell 1 can keep the adjusted height; through the arrangement of the rotating mechanism 17, the supporting angle of the supporting plate 26 can be adjusted by controlling the armrest disk 9 so as to adapt to the requirement that the surface to be supported is an inclined surface; through the cooperation use between the above-mentioned structure, solved in the in-service use process, because traditional steel structural support member exists the problem that is difficult for adjusting the bracing piece, also is difficult to adapt to the problem that the holding surface is the inclined plane wall body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a steel structural support piece convenient to adjust which characterized in that: the device comprises a shell (1), wherein a supporting column (2) is arranged below the shell (1), a rectangular rod (3) and a first shaft (4) are arranged on the inner wall of the shell (1) in a limiting and rotating mode, a first gear (5) is fixedly connected to the surface of the first shaft (4), a first rack (6) is meshed with the rear side of the first gear (5), and the bottom of the first rack (6) is fixedly connected with the top of the supporting column (2);
a round table-shaped shell (7) is arranged in the shell (1), an air bag (71) is arranged in a cavity of the round table-shaped shell (7), a rectangular pipe (8) is sleeved on the surface of the rectangular rod (3), the rectangular pipe (8) penetrates through the round table-shaped shell (7) and is in sliding connection with the round table-shaped shell (7), a handrail disc (9) is fixedly connected to the right end of the rectangular pipe (8), a rubber cover (10) is fixedly connected to the right side of the handrail disc (9) in a sealing manner, a through hole is formed in the right side of the handrail disc (9) and is fixedly connected with an air guide pipe (11) through the through hole, the right end of the air guide pipe (11) extends into the rubber cover (10), the left end of the air guide pipe (11) penetrates through the rectangular pipe (8) and extends into the air bag (71) and is fixedly connected with the air bag (71) in a sealing manner, a through groove (72) is formed in the surface of the round table-shaped shell (7), fixedly connected with rib (73) on the inner wall of round platform shape casing (7) intracavity, the fixed surface of axle one (4) is connected with gear two (12), the rear side meshing of gear two (12) has rack two (13), rack two (13) run through casing (1) and with casing (1) sliding connection, the top fixedly connected with sleeve (14) of rack two (13), the inner wall sliding connection of sleeve (14) has inserted block (15), the surface of inserted block (15) and the inner wall sliding connection who leads to groove (72), the bottom fixedly connected with pressure spring (16) of inserted block (15), the bottom of pressure spring (16) and the bottom fixed connection of sleeve (14) inner wall, the fixed surface of rectangular rod (3) is connected with slewing mechanism (17).
2. A steel structural support member for easy adjustment according to claim 1, wherein: slewing mechanism (17) includes worm (18), worm (18) run through by rectangular rod (3) and with rectangular rod (3) fixed connection, the front side meshing of worm (18) has worm wheel (19), the inner wall fixedly connected with axle two (20) of worm wheel (19), be close to inner wall fixedly connected with limiting plate (21) at top on casing (1), axle two (20) run through limiting plate (21) and spacing rotation on limiting plate (21), the top fixedly connected with carousel (22) of axle two (20), the last fixed surface of carousel (22) is connected with bent type pinion rack (23), the side that is close to the top on casing (1) has seted up the through-hole and has had transmission shaft (24) through the spacing rotation of through-hole, the fixed surface of transmission shaft (24) is connected with gear three (25), the surface of gear three (25) meshes with the tooth on the bent type pinion rack (23), and support plates (26) are fixedly connected to the upper surfaces of the transmission shaft (24) close to the two sides.
3. A steel structural support member for easy adjustment according to claim 1, wherein: and a torsion spring (27) is fixedly sleeved on the surface of the first shaft (4) close to the right end, and two ends of the torsion spring (27) are fixedly connected with the opposite sides of the second gear (12) and the inner wall of the shell (1).
4. A steel structural support member for easy adjustment according to claim 1, wherein: the number of the first gears (5) is two, and the two first gears (5) are symmetrically arranged with the vertical central line of the first shaft (4).
5. A steel structural support member for easy adjustment according to claim 1, wherein: the right side of the armrest disc (9) is fixedly connected with a second pressure spring (28), and the right end of the second pressure spring (28) is fixedly connected with the inner wall of the rubber cover (10).
6. A steel structural support member for easy adjustment according to claim 1, wherein: the top of the sleeve (14) is an inclined plane matched with the arc-shaped profile on the truncated cone-shaped shell (7).
7. A steel structural support member for easy adjustment according to claim 1, wherein: the top of the inserting block (15) is an arc-shaped surface and is movably connected with the surface of the air bag (71).
8. A steel structural support member to facilitate adjustment according to claim 2, wherein: the surface of the transmission shaft (24) close to the two ends is fixedly connected with limiting rings (29), and the back sides of the limiting rings (29) are rotatably connected with the inner wall of the shell (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010163808.7A CN111335469B (en) | 2020-03-10 | 2020-03-10 | Steel structural support piece convenient to adjust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010163808.7A CN111335469B (en) | 2020-03-10 | 2020-03-10 | Steel structural support piece convenient to adjust |
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| CN111335469A CN111335469A (en) | 2020-06-26 |
| CN111335469B true CN111335469B (en) | 2021-07-23 |
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| CN112296648B (en) * | 2020-10-19 | 2021-06-29 | 深圳耀天齐实业有限公司 | All-direction adjusting mounting structure for fixed bridge head of boarding bridge |
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| CN209703568U (en) * | 2019-01-28 | 2019-11-29 | 林明选 | Town road local stiffening structure |
| CN110354360A (en) * | 2019-07-03 | 2019-10-22 | 宋国华 | A kind of Special Automatic apparatus of oxygen supply of emergency department's nursing |
| CN110772078A (en) * | 2019-11-08 | 2020-02-11 | 金华多番母婴用品科技有限公司 | Adjustable baby crib |
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| CN111335469A (en) | 2020-06-26 |
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Effective date of registration: 20210628 Address after: 276500 Shandong Rizhao City Juxian Yan Zhuang Town patriotic Community Road East Village Applicant after: Rizhao handing Steel Structure Technology Co.,Ltd. Address before: 200433 No. 220, Handan Road, Shanghai, Yangpu District Applicant before: Dong Shucui |
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