CN213844386U - Projection cloth support with folding function for safety training - Google Patents
Projection cloth support with folding function for safety training Download PDFInfo
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- CN213844386U CN213844386U CN202022518259.9U CN202022518259U CN213844386U CN 213844386 U CN213844386 U CN 213844386U CN 202022518259 U CN202022518259 U CN 202022518259U CN 213844386 U CN213844386 U CN 213844386U
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- fixedly connected
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- hinged
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- support
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Abstract
The utility model discloses a projection cloth support with folding function for safety training, which comprises a base, a supporting component, a lifting component and a transmission component, wherein the top surface of the base is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a fixed block, the two sides of the fixed block are fixedly connected with first hinged supports, and the outer side of each first hinged support is provided with a cross rod; the front end surface of the outer end of each cross rod is fixedly connected with a hook; a lifting sleeve is movably sleeved on the column body of the supporting column, a lifting cavity is formed in the middle of the inside of the supporting column, and the lifting assembly is arranged in the lifting cavity; supporting components are arranged on two sides of the pipe body of the lifting sleeve; a transmission cavity is formed in the support column below the lifting cavity, and the transmission assembly is arranged in the transmission cavity; the utility model discloses simple structure is convenient for fold and is receive and release, through drive assembly and lifting unit and supporting component, has solved the inconvenient problem that folds and release that carries on of current projection cloth support.
Description
Technical Field
The utility model relates to a technical field of safety training apparatus especially relates to a projection cloth support is used in safety training with folding function.
Background
The staff in the steel plant needs to perform the education and training of the safety posts regularly during the working period so as to improve the safety protection consciousness of the staff; during training, a projection cloth support is needed to support projection cloth so as to facilitate projection display of safety education films; however, when the existing projection cloth is installed and stored, the projection cloth is inconvenient for operators to fold and store the projection cloth because the projection cloth does not have the folding function, and the projection cloth occupies a large area and is inconvenient to carry when being stored.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that the practicality is not good among the prior art, and the projection cloth support for safety training who provides with folding function.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a projection cloth support with a folding function for safety training comprises a base, a supporting assembly, a lifting assembly and a transmission assembly, wherein the base is horizontally arranged in a circular plate shape, a supporting column is fixedly connected to the middle of the top surface of the base in a vertical mode, a fixing block is fixedly connected to the top end of the supporting column, first hinged supports with outwards-facing notches are fixedly connected to two sides of the fixing block, a transverse rod is transversely arranged on the outer side of each first hinged support, a connecting rod is transversely fixedly connected to the inner end of each transverse rod, and the inner end of each connecting rod is movably hinged to the first hinged support; a hook is fixedly connected to the front end face of the outer end of each cross rod; a lifting sleeve is movably sleeved on the column body of the supporting column, a circular lifting cavity is vertically formed in the middle of the inside of the supporting column, and the lifting assembly is arranged in the lifting cavity; supporting components are arranged on two sides of the pipe body of the lifting sleeve; a round transmission cavity is formed in the supporting column below the lifting cavity, and the transmission assembly is arranged in the transmission cavity.
Preferably, the supporting component includes second free bearing, hinge rod, third free bearing, the equal rigid coupling in lifting sleeve's body both sides has notch second free bearing outwards, and every equal activity hinge has the hinge rod that vertical slope set up in the notch of free bearing, every the rod body bottom of horizontal pole is all transversely seted up banding and is accomodate the groove, every accomodate the equal rigid coupling in the inner of inslot and have notch third free bearing down, and every the equal activity hinge in the notch of third free bearing in the top of hinge rod.
Preferably, the lifting assembly comprises a screw rod, a threaded cylinder and a connecting rod, the top and the bottom in the lifting cavity are fixedly connected with first bearings, and two ends of the screw rod are fixedly connected in inner rings of the first bearings; the utility model discloses a lifting cavity, including lead screw, barrel, lifting cavity, lifting sleeve, connecting rod, lifting sleeve, movable sleeve, threaded barrel, connecting rod, lifting sleeve.
Preferably, the transmission assembly comprises a rotating shaft, a driving bevel gear and a driven bevel gear, a second bearing is fixedly connected to a supporting column outside the transmission cavity, and the rotating shaft is transversely and fixedly connected to an inner ring of the second bearing; the outer end rigid coupling of axis of rotation has the handle, the inner of axis of rotation runs through into the transmission intracavity, the vertical rigid coupling in the inner of axis of rotation has initiative awl tooth, just the bottom activity of lead screw runs through into the transmission intracavity, the bottom fixed mounting of lead screw has driven awl tooth, initiative awl tooth and driven awl tooth meshing transmission.
Preferably, the circular shape mounting hole has transversely been seted up on the opposite side inner wall in transmission chamber, just horizontal rigid coupling has the screwed pipe in the mounting hole, horizontal screwed connection has the threaded rod in the screwed pipe, just the inner rigid coupling of threaded rod has the circular shape stopper, the inboard horizontal rigid coupling of initiative awl tooth has the gag lever post, the one end of gag lever post transversely cooperates the stopper and has seted up circular shape spacing groove.
Preferably, a hand wheel is fixedly connected to the outer end of the threaded rod, and a limiting plate is horizontally and fixedly connected to the top end of the fixed block; the bottom surface rigid coupling of base has a plurality of supporting legs.
Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the lifting component is driven by the transmission component, and the supporting component is convenient to expand and contract by the lifting component; the two cross rods can be conveniently unfolded and contracted, and the space occupation of the bracket during storage is effectively reduced; the improvement of the working efficiency of the projection cloth during installation is facilitated, and the problem that the existing projection cloth support is inconvenient to fold and release is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:
fig. 1 is a schematic view of a front view structure provided by the present invention;
fig. 2 is a schematic view of a front view cross-sectional structure provided by the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention;
fig. 4 is a schematic view of a top-view cross-sectional structure of the support pillar according to the present invention;
number in the figure: the lifting device comprises a base 1, a supporting column 2, a fixing block 3, a first hinged support 4, a cross rod 5, a hook 6, a lifting sleeve 7, a second hinged support 8, a hinged rod 9, a third hinged support 10, a screw rod 11, a threaded cylinder 12, a connecting rod 13, a rotating shaft 14, a driving bevel gear 15, a driven bevel gear 16, a threaded pipe 17, a threaded rod 18 and a limiting block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1: referring to fig. 1-4, the utility model provides a projection cloth holder for safety training with folding function, including base 1, supporting component, lifting unit and drive assembly, base 1 is the circular plate of level setting, the vertical rigid coupling in top surface middle part of base 1 has support column 2, the top rigid coupling of support column 2 has fixed block 3, the both sides of fixed block 3 all the rigid coupling have notch first free bearing 4 outwards, the outside of each first free bearing 4 all transversely is equipped with horizontal pole 5, and the inner of each horizontal pole 5 all the transverse rigid coupling have a connecting rod, and the inner of each connecting rod all with first free bearing 4 activity hinge joint; a hook 6 is fixedly connected to the front end face of the outer end of each cross rod 5; a lifting sleeve 7 is movably sleeved on the column body of the supporting column 2, a circular lifting cavity is vertically formed in the middle of the supporting column 2, and the lifting assembly is arranged in the lifting cavity; supporting components are arranged on two sides of the pipe body of the lifting sleeve 7; a round transmission cavity is formed in the supporting column 2 below the lifting cavity, and the transmission assembly is arranged in the transmission cavity.
The utility model discloses in, the supporting component includes second free bearing 8, hinge bar 9, third free bearing 10, the equal rigid coupling in body both sides of lifting sleeve 7 has notch second free bearing 8 outwards, and every equal activity articulates in the notch of free bearing 8 has hinge bar 9, every that vertical slope set up the banding groove of accomodating, every are all transversely seted up to the body of rod bottom of horizontal pole 5 the equal rigid coupling in the inslot of accomodating has notch third free bearing 10 down, and every the equal activity in top of hinge bar 9 articulates in the notch of third free bearing 10.
In the utility model, the lifting component comprises a screw rod 11, a thread cylinder 12 and a connecting rod 13, the top and the bottom in the lifting cavity are fixedly connected with a first bearing, and both ends of the screw rod 11 are fixedly connected in the inner ring of the first bearing; a threaded barrel 12 is movably sleeved on a rod body of the lead screw 11, connecting rods 13 are fixedly connected to two sides of a barrel body of the threaded barrel 12 in a transverse direction, strip-shaped openings are vertically formed in the inner walls of two sides of the lifting cavity along the height direction, and the outer end of each connecting rod 13 extends out of the strip-shaped opening to be fixedly connected with the inner wall of the lifting sleeve 7; the transmission assembly comprises a rotating shaft 14, a driving bevel gear 15 and a driven bevel gear 16, a second bearing is fixedly connected to the supporting column 2 outside the transmission cavity, and the rotating shaft 14 is transversely and fixedly connected to the inner ring of the second bearing; the outer end of the rotating shaft 14 is fixedly connected with a handle, the inner end of the rotating shaft 14 penetrates into the transmission cavity, the inner end of the rotating shaft 14 is fixedly connected with a driving bevel gear 15 vertically, the bottom end of the lead screw 11 movably penetrates into the transmission cavity, the bottom end of the lead screw 11 is fixedly provided with a driven bevel gear 16, and the driving bevel gear 15 is in meshing transmission with the driven bevel gear 16; the lifting component is convenient for expanding and contracting the supporting component; facilitating the expansion and contraction of the two cross bars 15.
In the utility model, a circular mounting hole is transversely arranged on the inner wall of the other side of the transmission cavity, a threaded pipe 17 is transversely fixedly connected in the mounting hole, a threaded rod 18 is transversely and spirally connected in the threaded pipe 17, a circular limiting block 19 is fixedly connected at the inner end of the threaded rod 18, a limiting rod is transversely and fixedly connected at the inner side of the driving bevel gear 15, and a circular limiting groove is transversely arranged in cooperation with the limiting block 19 at one end of the limiting rod; a hand wheel is fixedly connected to the outer end of the threaded rod 18, and a limiting plate is horizontally and fixedly connected to the top end of the fixed block 3; the bottom surface rigid coupling of base 1 has a plurality of supporting legs.
The utility model discloses during the use, at first with this device fixed placement on the bottom surface, when needing to use, through the positive rotation handle drive axis of rotation 14 inner initiative awl tooth 15 carry out the forward rotation, through initiative awl tooth 15 with driven awl tooth 16 meshing transmission be convenient for drive lead screw 11 carry out the forward rotation, through lead screw 11 rotation be convenient for make screw thread section of thick bamboo 12 rise on the body of rod, through the ascending of screw thread section of thick bamboo 12 be convenient for drive connecting rod 13 outer end lift sleeve 7 rise on the cylinder of support column 2; the lifting sleeve 7 is lifted to push the hinge rod 9 on the first hinge base 8 to lift and unfold, and the lifting and unfolding of the hinge rod 9 are to push the two cross rods 5 to unfold; then, the hand wheel is rotated to drive the threaded rod 18 to rotate inwards in the threaded barrel 17, and the inward transverse movement of the threaded rod 18 is convenient for abutting the limiting block 19 in the limiting groove; the rotation of the driving bevel gear 15 is prevented conveniently; then, the projection cloth is hung on the hook 6;
when the projection cloth needs to be folded, the projection cloth is detached, the driving bevel gear 15 at the inner end of the rotating shaft 14 is driven to rotate reversely by the reverse rotating handle, the screw rod 11 is driven to rotate reversely by the meshing transmission of the driving bevel gear 15 and the driven bevel gear 16, the threaded cylinder 12 is driven to descend on the rod body by the rotation of the screw rod 11, and the lifting sleeve 7 at the outer end of the connecting rod 13 is driven to descend on the column body of the supporting column 2 by the descending of the threaded cylinder 12; the lifting sleeve 7 is convenient to push the hinge rod 9 on the first hinge base 8 to descend and contract when rising, the two cross rods 5 are convenient to be driven to contract when descending and contracting the hinge rod 9, and the two cross rods 5 are convenient to fold and retract on two sides of the support column 2; the lifting assembly is driven by the transmission assembly, and the supporting assembly is conveniently unfolded and contracted by the lifting assembly; the two cross rods 15 can be conveniently unfolded and contracted, and the space occupation of the bracket during storage is effectively reduced; the improvement of the working efficiency of the projection cloth during installation is facilitated, and the problem that the existing projection cloth support is inconvenient to fold and release is solved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a safety training is with projection cloth support with folding function, includes base (1), supporting component, lifting unit and drive assembly, its characterized in that: the base (1) is horizontally arranged in a circular plate shape, a support column (2) is vertically fixedly connected to the middle of the top surface of the base (1), a fixed block (3) is fixedly connected to the top end of the support column (2), first hinged bases (4) with outward notches are fixedly connected to two sides of the fixed block (3), a cross rod (5) is transversely arranged on the outer side of each first hinged base (4), a connecting rod is transversely fixedly connected to the inner end of each cross rod (5), and the inner end of each connecting rod is movably hinged to the first hinged base (4); a hook (6) is fixedly connected to the front end face of the outer end of each cross rod (5); a lifting sleeve (7) is movably sleeved on the column body of the supporting column (2), a circular lifting cavity is vertically formed in the middle of the inside of the supporting column (2), and the lifting assembly is arranged in the lifting cavity; supporting components are arranged on two sides of the pipe body of the lifting sleeve (7); a round transmission cavity is formed in the supporting column (2) below the lifting cavity, and the transmission assembly is arranged in the transmission cavity.
2. The projection cloth support with the folding function for the safety training as claimed in claim 1, wherein: the supporting component comprises a second hinged support (8), a hinged rod (9) and a third hinged support (10), wherein the two sides of the pipe body of the lifting sleeve (7) are fixedly connected with the second hinged support (8) with the groove opening facing outwards and each hinged rod (9) with vertical inclination arranged in the groove opening of the hinged support (8) and each hinged rod (9) with vertical inclination arranged in the groove opening of the cross rod (5) are transversely provided with a strip-shaped accommodating groove and each hinged rod (10) with the inner end in the accommodating groove and the third hinged support (10) with the groove opening facing downwards and each hinged rod (9) is movably hinged in the groove opening of the third hinged support (10) at the top end.
3. The projection cloth support with the folding function for the safety training as claimed in claim 1, wherein: the lifting assembly comprises a lead screw (11), a threaded cylinder (12) and a connecting rod (13), wherein the top and the bottom in the lifting cavity are fixedly connected with first bearings, and two ends of the lead screw (11) are fixedly connected in inner rings of the first bearings; the utility model discloses a lifting sleeve, including lead screw (11), barrel both sides, the equal horizontal rigid coupling of barrel both sides of screw section of thick bamboo (12) have connecting rod (13), all vertically seted up the bar opening along the direction of height on the both sides inner wall in lift chamber, and every the outer end of connecting rod (13) all extends the inner wall rigid coupling with lift sleeve (7) in the bar opening.
4. The projection cloth support with the folding function for the safety training as claimed in claim 3, wherein: the transmission assembly comprises a rotating shaft (14), a driving bevel gear (15) and a driven bevel gear (16), a second bearing is fixedly connected to the supporting column (2) on the outer side of the transmission cavity, and the rotating shaft (14) is transversely and fixedly connected to the inner ring of the second bearing; the outer end rigid coupling of axis of rotation (14) has the handle, the inner of axis of rotation (14) runs through into the transmission intracavity, the vertical rigid coupling in the inner of axis of rotation (14) has initiative awl tooth (15), just the bottom activity of lead screw (11) runs through into the transmission intracavity, the bottom fixed mounting of lead screw (11) has driven awl tooth (16), initiative awl tooth (15) and driven awl tooth (16) meshing transmission.
5. The projection cloth support with the folding function for the safety training as claimed in claim 4, wherein: the utility model discloses a spacing groove of taking the initiative taper tooth, including the drive chamber, transversely seted up the circular shape mounting hole on the opposite side inner wall in drive chamber, just horizontal rigid coupling has screwed pipe (17) in the mounting hole, horizontal screwed connection has threaded rod (18) in screwed pipe (17), just the inner rigid coupling of threaded rod (18) has circular shape stopper (19), the inboard horizontal rigid coupling of initiative taper tooth (15) has the gag lever post, circular shape spacing groove has been seted up in the one end horizontal cooperation stopper (19) of gag lever post.
6. The projection cloth support with the folding function for the safety training as claimed in claim 5, wherein: a hand wheel is fixedly connected to the outer end of the threaded rod (18), and a limiting plate is horizontally and fixedly connected to the top end of the fixing block (3); the bottom surface rigid coupling of base (1) has a plurality of supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022518259.9U CN213844386U (en) | 2020-11-04 | 2020-11-04 | Projection cloth support with folding function for safety training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022518259.9U CN213844386U (en) | 2020-11-04 | 2020-11-04 | Projection cloth support with folding function for safety training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213844386U true CN213844386U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022518259.9U Active CN213844386U (en) | 2020-11-04 | 2020-11-04 | Projection cloth support with folding function for safety training |
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| Country | Link |
|---|---|
| CN (1) | CN213844386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883051A (en) * | 2022-05-24 | 2022-08-09 | 无锡市群星线缆有限公司 | Cable steering auxiliary tool of cable production line for photovoltaic power generation |
-
2020
- 2020-11-04 CN CN202022518259.9U patent/CN213844386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883051A (en) * | 2022-05-24 | 2022-08-09 | 无锡市群星线缆有限公司 | Cable steering auxiliary tool of cable production line for photovoltaic power generation |
| CN114883051B (en) * | 2022-05-24 | 2024-02-06 | 无锡市群星线缆有限公司 | Cable steering auxiliary tool of cable production line for photovoltaic power generation |
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