CN219648176U

CN219648176U - Projection screen's equipment mechanism and generating set examine and repair projection screen for safety teaching

Info

Publication number: CN219648176U
Application number: CN202223130855.5U
Authority: CN
Inventors: 李继军; 邹胜龙; 肖泽; 胡贤刚; 尤登明; 赖余飞; 刘义华; 贾建军; 罗传斌
Original assignee: Guizhou Huadian Tongzi Power Generation Co Ltd
Current assignee: Guizhou Huadian Tongzi Power Generation Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-09-08
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an assembly mechanism of a projection screen and a projection screen for power generation unit overhaul safety teaching, which comprises a projection assembly, a cleaning mechanism, a lifting block, a lifting rod and a cleaning plate, wherein the projection assembly comprises a fixed shell, the cleaning mechanism comprises a sleeve arranged in the middle of the left side wall of the fixed shell, a transparent baffle plate arranged on the right side inside the sleeve, a cleaning servo motor arranged at the bottom of the left side wall inside the fixed shell through a supporting plate, a threaded rod in transmission connection with an output shaft of the cleaning servo motor through a coupler, the lifting block is in threaded connection with the top of the outer surface of the threaded rod, the lifting rod is arranged on the lower surface of the lifting block, and the cleaning plate is arranged at the lower end of the lifting rod; the cleaning plate is located telescopic inside, the right side wall of cleaning plate is provided with clean pad, starts clean servo motor, can drive the threaded rod and rotate, can drive the lifter block through the screw thread and go up and down to can drive clean plate and go up and down to clean transparent baffle through clean pad, make this projection arrangement can normal use.

Description

Projection screen's equipment mechanism and generating set examine and repair projection screen for safety teaching

Technical Field

The utility model relates to the technical field of safety work teaching, in particular to an assembly mechanism of a projection screen and the projection screen for safety teaching of overhauling of a generator set.

Background

In the use process of the existing projection device, external dust is easy to adhere to the outer side of a projection lens of the projection device, the normal use of the subsequent projection device is affected, and because the projection device is located at a higher position, workers are difficult to clean the projection lens, so that a projection screen and a projection screen for the generator set overhaul safety teaching are provided.

Disclosure of Invention

This section is intended to summarize some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments, which may be simplified or omitted in this section, as well as the description abstract and the title of the utility model, to avoid obscuring the objects of this section, description abstract and the title of the utility model, which is not intended to limit the scope of this utility model.

The present utility model has been made in view of the above and/or problems occurring in the prior art.

Therefore, the technical problem to be solved by the utility model is that external dust is easy to adhere to the outer side of the projection lens of the projection device, so that the normal use of the subsequent projection device is influenced, and the projection device is positioned at a higher position, so that a worker is difficult to clean the projection lens.

In order to solve the technical problems, the utility model provides the following technical scheme: an assembly mechanism for a projection screen, comprising,

the projection assembly comprises a fixed shell, a projection device arranged in the fixed shell and a mounting shell arranged in the middle of the upper surface of the fixed shell; the middle part of the upper surface of the mounting shell is provided with a mounting groove; the method comprises the steps of,

the cleaning assembly comprises a cleaning servo motor arranged at the bottom of the left side wall in the fixed shell through a supporting plate, a threaded rod in transmission connection with an output shaft of the cleaning servo motor through a coupler, a lifting block in threaded connection with the top of the outer surface of the threaded rod, a lifting rod arranged on the lower surface of the lifting block and a cleaning plate arranged at the lower end of the lifting rod; the cleaning plate is positioned in the sleeve, and a cleaning pad is arranged on the right side wall of the cleaning plate; the method comprises the steps of,

the mounting assembly comprises a mounting plate movably connected inside the mounting shell and a mounting rod arranged in the middle of the upper surface of the mounting plate; the lower extreme of installation pole is located the inside of mounting groove, the left side of roof is provided with the dog in the installation shell, and the dog is located the left side of mounting panel.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the right side wall of the fixed shell is provided with a vent, the inside of the vent is provided with a filter grid, the filter grid is in a circular ring shape, and the middle part in the filter grid is provided with a mounting block.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the right side inside the fixed shell is provided with a driving motor, the driving motor is arranged in the middle of the left side wall of the mounting block through the chassis, and an output shaft of the driving motor is connected with fan blades through a coupling in a transmission manner.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the top wall and the position of the inner top wall of the fixed shell, which are close to the left side and the right side, are respectively provided with a positioning block, the surfaces of the four positioning blocks, which are close to the projection device, are respectively provided with a cushion pad, and the outer surfaces of the projection device are in close contact with the four cushion pads.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the utility model discloses a dust removal device, including fixed shell left side wall, fixed shell, cleaning pad, sleeve, dust removal opening, torsion spring swing joint, telescopic lower surface and dust removal shell, the inside right side of fixed shell left side wall be provided with the sleeve the inside right side of sleeve is provided with transparent baffle, transparent baffle's left side wall and cleaning pad's right side wall in close contact, the dust removal opening has been seted up to the bottom in the sleeve, and the inside of dust removal opening has the closing plate through torsion spring swing joint, telescopic lower surface is provided with the dust removal shell, and the dust removal opening passes through the dust removal shell with the outside of fixed shell is linked together.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the right end of the sleeve is arranged in the middle of the left side wall of the projection device, a projection lens is arranged in the middle of the left side wall of the projection device, and the sleeve is sleeved on the outer side of the projection lens.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the outer surface cover of installation pole is equipped with the loop bar, the upper end of loop bar is provided with the mount pad, the fixed orifices has all been seted up to the four corners department of mount pad.

As a preferable mode of the assembly mechanism of the projection screen of the present utility model, wherein: the bottom threaded connection on right side has the mounting bolt in the loop bar, the mounting hole has been seted up to the right side wall of mounting bar, just the mounting hole is equipped with a plurality ofly, the left end of mounting bolt is located one of them the inside of mounting hole.

The utility model has the beneficial effects that: can block external dust through sleeve cooperation transparent baffle, avoid the dust to adhere to the outward surface at projection lens and cause the influence to projection arrangement's normal use, start clean servo motor, can drive the threaded rod and rotate, can drive the lifter block through the screw thread and go up and down, thereby can drive the clean board and go up and down to clean transparent baffle through clean the pad, make this projection arrangement can normal use, start driving motor, can drive the flabellum and rotate, the cooperation filters the grid and can accelerate the inside air velocity of flow of fixed shell and improve projection arrangement's radiating effect in the use.

In view of the above-mentioned generating set overhauls projection screen for safety teaching in the course of working, external dust is liable to adhere to the surface at the projection screen, and after the projection screen was packed up, the dust was deposited in the inside of receiver, caused the influence to the use of follow-up projection screen, so has proposed a projection screen.

In order to solve the technical problems, the utility model also provides the following technical scheme: the utility model provides a generating set overhauls projection screen for safety teaching which characterized in that: the projection screen for the generator set overhaul safety teaching comprises the projection screen for the generator set overhaul safety teaching; the method comprises the steps of,

the projection screen assembly comprises a storage shell, a rotating rod and a cleaning rod which are respectively connected to the inner top and the inner bottom of the storage shell in a rotating way, a winding roller arranged on the outer surface of the rotating rod, a projection screen arranged on the outer surface of the winding roller and a cleaning roller arranged on the outer surface of the cleaning rod; the outer surface of the cleaning roller is closely contacted with the surface of the projection screen, which is close to the cleaning rod.

As a preferable scheme of the projection screen for the generator set overhaul safety teaching, the utility model comprises the following steps: the left end of dwang and clean pole surface is provided with drive gear and driven gear respectively, drive gear and driven gear mesh mutually, the right side wall of receiving the shell is provided with through the quick-witted case and accomodates servo motor, accomodate servo motor's output shaft and the right-hand member transmission of dwang through the shaft coupling and be connected.

The utility model has another beneficial effect: the servo motor is accomodate in the start, can drive the dwang and rotate to can drive the wind-up roll and rotate and carry out rolling or unreel to the projection screen, when the dwang rotates, can drive the cleaning lever through drive gear cooperation driven gear and rotate, thereby can drive the cleaning roller and rotate the surface to the projection screen and clean, be convenient for follow-up use to the projection screen.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic perspective view of a projection assembly according to the present utility model;

FIG. 2 is a front cross-sectional view of a projection assembly of the present utility model;

FIG. 3 is a front cross-sectional view of a projection screen assembly of the present utility model;

fig. 4 is a front view of a projection screen assembly of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present utility model, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the utility model is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and fig. 2, in a first embodiment of the present utility model, a projection screen for maintenance and safety teaching of a generator set is provided, where a fixing shell 101 is matched with a positioning block to install and protect a projection device 102, so as to reduce damage to the projection device 102, and the inside of the fixing shell 101 is communicated with the outside through a ventilation opening, so as to improve a heat dissipation effect of the projection device 102.

Specifically, the projection assembly 100 includes a fixed housing 101, a projection device 102 disposed inside the fixed housing 101, and a mounting housing 106 disposed in the middle of the upper surface of the fixed housing 101; the mounting groove has been seted up at the middle part of installation shell 106 upper surface, the vent has been seted up to the right side wall of fixed shell 101, and the inside of vent is provided with filter grille 105, filter grille 105 is the ring form, and the middle part in the filter grille 105 is provided with the installation piece, the inside right side of fixed shell 101 is equipped with driving motor 103, and driving motor 103 passes through the quick-witted case setting at the middle part of installation piece left side wall, driving motor 103's output shaft has flabellum 104 through the shaft coupling transmission, roof and interior roof all are provided with the locating piece near the position on left side and right side in the fixed shell 101, and four locating pieces are close to the surface of projection arrangement 102 all be provided with the blotter, projection arrangement 102's surface and four blotter in close contact.

Wherein, start driving motor 103, can drive flabellum 104 and rotate, the inside air velocity of flow of fixed casing 101 can be accelerated to the cooperation vent to can improve projection arrangement 102 in the radiating effect of use, the blotter that sets up through the locating piece surface can carry out buffer protection to projection arrangement 102.

In summary, when the fan blade 104 rotates to accelerate the air flow rate inside the fixing housing 101, the filtering grille 105 can filter the impurities in the outside air, so as to avoid the impurities in the outside air from entering the fixing housing 101, which affects the normal use of the projection device 102.

Example 2

Referring to fig. 2, a second embodiment of the present utility model is based on the previous embodiment, except that the sleeve 201 cooperates with the transparent partition 202 to block external dust, so as to prevent the dust from adhering to the outer surface of the projection lens and affecting the normal use of the projection device 102.

Specifically, the cleaning mechanism 200 comprises a sleeve 201 arranged in the middle of the left side wall of the fixed shell 101, a transparent partition 202 arranged on the right side inside the sleeve 201, a cleaning servo motor 203 arranged at the bottom of the left side wall inside the fixed shell 101 through a supporting plate, a threaded rod 204 in transmission connection with the output shaft of the cleaning servo motor 203 through a coupling, a lifting block 205 in threaded connection with the top of the outer surface of the threaded rod 204, a lifting rod 206 arranged on the lower surface of the lifting block 205 and a cleaning plate 207 arranged at the lower end of the lifting rod 206; the cleaning plate 207 is located the inside of sleeve 201, the right side wall of cleaning plate 207 is provided with the cleaning pad, and the right side wall of cleaning pad and the left side wall in close contact with of transparent baffle 202, the dust exhaust mouth has been seted up to the bottom in the sleeve 201, and the inside of dust exhaust mouth has closing plate 208 through torsion spring swing joint, the lower surface of sleeve 201 is provided with dust exhaust shell 209, and the dust exhaust mouth is linked together through dust exhaust shell 209 and the outside of fixed shell 101, the right-hand member setting of sleeve 201 is at the middle part of projection arrangement 102 left side wall, the middle part of projection arrangement 102 left side wall is provided with projection lens, and the outside at projection lens is established to the sleeve 201 cover.

Wherein, start clean servo motor 203, can drive threaded rod 204 and rotate, can drive lifter 205 and lifter 206 through the screw thread and go up and down to can drive clean board 207 to go up and down and clean transparent baffle 202 through the cleaning pad, make this projection device 102 can normal use.

To sum up, after the cleaning pad cleans the transparent partition 202, the cleaning plate 207 is allowed to continuously descend, the sealing plate 208 can be driven to rotate, dust cleaned by the cleaning pad is discharged through the dust discharging shell 209, and after the cleaning plate 207 is reset, the sealing plate 208 can be driven to rotate and reset through the elasticity of the torsion spring, so that the bottom of the sleeve 201 is sealed.

Example 3

Referring to fig. 1 and 2, in a third embodiment of the present utility model, the above embodiment is based on the previous embodiment, except that the mounting case 106 is matched with the mounting rod 303 and the mounting plate 304 to mount the fixing case 101 and the projection device 102, and the setting of the stopper can prevent the mounting plate 304 from falling off, so that the fixing case 101 and the projection device 102 can be easily dismounted by a worker.

Specifically, the mounting mechanism 300 includes a mounting plate 304 movably connected to the inside of the mounting case 106, and a mounting rod 303 disposed in the middle of the upper surface of the mounting plate 304; the lower extreme of installation pole 303 is located the inside of mounting groove, and the left side of roof is provided with the dog in the installation shell 106, and the dog is located the left side of mounting panel 304, and the surface cover of installation pole 303 is equipped with loop bar 302, and the upper end of loop bar 302 is provided with mount pad 301, and the fixed orifices has all been seted up to the four corners department of mount pad 301, and the bottom threaded connection on the right side has mounting bolt 306 in the loop bar 302, and mounting hole 305 has been seted up to the right side wall of installation pole 303, and mounting hole 305 is equipped with a plurality ofly, and the left end of mounting bolt 306 is located the inside of one of them mounting hole 305.

Wherein, install mount pad 301 through fixing bolt cooperation fixed orifices, insert the inside of loop bar 302 with installation pole 303, fix installation pole 303 through the cooperation of mounting bolt 306 and mounting orifice 305, insert the inside of installation shell 106 with the mounting plate 304, can install fixed shell 101 and projection device 102.

In summary, by changing the mounting bolts 306 in the mounting holes 305 at different positions, the length of the mounting rod 303 inserted into the sleeve rod 302 can be changed, so that the heights of the fixing case 101 and the projection device 102 can be adjusted, and the practicality of the fixing case 101 and the projection device 102 can be improved.

Example 4

Referring to fig. 3 and 4, a fourth embodiment of the present utility model provides a projection screen, in which a cleaning lever 405 is rotated, and an outer surface of the projection screen 404 can be cleaned by a cleaning roller 406, so that the subsequent use of the projection screen 404 is facilitated.

Specifically, the projection screen assembly 400 includes a housing 401, a rotating rod 402 and a cleaning rod 405 rotatably connected to the top and the bottom of the housing 401, a winding roller 403 disposed on the outer surface of the rotating rod 402, a projection screen 404 disposed on the outer surface of the winding roller 403, and a cleaning roller 406 disposed on the outer surface of the cleaning rod 405; the surface of cleaning roller 406 and projection screen 404 are close to the surface in close contact with of cleaning rod 405, and the left end of dwang 402 and cleaning rod 405 surface is provided with drive gear 407 and driven gear 408 respectively, and drive gear 407 and driven gear 408 mesh mutually, and the right side wall of receiver 401 is provided with through the quick-witted case and accomodates servo motor 409, and the output shaft of accomodating servo motor 409 passes through the right-hand member transmission of shaft coupling and dwang 402 and is connected.

Wherein, start and accomodate servo motor 409, can drive dwang 402 rotation to can drive wind-up roll 403 rotation and roll up or unreel projection screen 404, rotate clean pole 405, can clean projection screen 404's surface through cleaning roller 406, the use of follow-up projection screen 404 of being convenient for.

In summary, when the rotating rod 402 rotates, the transmission gear 407 can be driven to rotate, and the driven gear 408 can be matched to drive the cleaning rod 405 to rotate, so as to drive the cleaning roller 406 to rotate.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. An assembly mechanism of a projection screen, characterized in that: comprising the steps of (a) a step of,

the projection assembly (100) comprises a fixed shell (101), a projection device (102) arranged inside the fixed shell (101), and a mounting shell (106) arranged in the middle of the upper surface of the fixed shell (101); a mounting groove is formed in the middle of the upper surface of the mounting shell (106); the method comprises the steps of,

the cleaning assembly (200) comprises a cleaning servo motor (203) arranged at the bottom of the left side wall in the fixed shell (101) through a supporting plate, a threaded rod (204) in transmission connection with an output shaft of the cleaning servo motor (203) through a coupler, a lifting block (205) in threaded connection with the top of the outer surface of the threaded rod (204), a lifting rod (206) arranged on the lower surface of the lifting block (205) and a cleaning plate (207) arranged at the lower end of the lifting rod (206); the cleaning plate (207) is positioned inside the sleeve (201), and the right side wall of the cleaning plate (207) is provided with a cleaning pad; the method comprises the steps of,

the mounting assembly (300) comprises a mounting plate (304) movably connected inside the mounting shell (106), and a mounting rod (303) arranged in the middle of the upper surface of the mounting plate (304); the lower extreme of installation pole (303) is located the inside of mounting groove, the left side of roof is provided with the dog in installation shell (106), and the dog is located the left side of mounting panel (304).

2. The assembly mechanism of a projection screen of claim 1, wherein: the right side wall of the fixed shell (101) is provided with a vent, a filter grid (105) is arranged in the vent, the filter grid (105) is in a ring shape, and an installation block is arranged in the middle of the filter grid (105).

3. The assembly mechanism of a projection screen of claim 2, wherein: the right side inside fixed shell (101) is equipped with driving motor (103), just driving motor (103) set up at the middle part of installation piece left side wall through the quick-witted case, the output shaft of driving motor (103) is connected with flabellum (104) through the shaft coupling transmission.

4. A projection screen assembly mechanism according to claim 2 or 3, wherein: positioning blocks are arranged on the inner top wall of the fixed shell (101) and close to the left side and the right side of the inner top wall, buffer pads are arranged on the surfaces, close to the projection device (102), of the four positioning blocks, and the outer surfaces of the projection device (102) are in tight contact with the four buffer pads.

5. The assembly mechanism of a projection screen of claim 4, wherein: the utility model discloses a dust removal device for the cleaning pad of the automobile, including fixed casing (101) left side wall middle part is provided with sleeve (201) the inside right side of sleeve (201) is provided with transparent baffle (202), the right side wall in left side wall and the clean right side wall in pad of transparent baffle (202) in close contact with, dust removal mouth has been seted up to the bottom in sleeve (201), and the inside of dust removal mouth has closing plate (208) through torsion spring swing joint, the lower surface of sleeve (201) is provided with dust removal shell (209), and the dust removal mouth passes through dust removal shell (209) with the outside of fixed casing (101) is linked together.

6. The assembly mechanism of a projection screen of claim 5, wherein: the right end of the sleeve (201) is arranged in the middle of the left side wall of the projection device (102), a projection lens is arranged in the middle of the left side wall of the projection device (102), and the sleeve (201) is sleeved on the outer side of the projection lens.

7. The assembly mechanism of a projection screen of claim 6, wherein: the outer surface cover of installation pole (303) is equipped with loop bar (302), the upper end of loop bar (302) is provided with mount pad (301), the four corners department of mount pad (301) has all seted up the fixed orifices.

8. The assembly mechanism of a projection screen of claim 7, wherein: the bottom threaded connection of right side has installation bolt (306) in loop bar (302), mounting hole (305) have been seted up to the right side wall of installation bar (303), just mounting hole (305) are equipped with a plurality ofly, the left end of installation bolt (306) is located the inside of one of them mounting hole (305).

9. The utility model provides a generating set overhauls projection screen for safety teaching which characterized in that: a projector screen for generator set maintenance safety teaching comprising any one of claims 1 to 8; the method comprises the steps of,

the projection screen assembly (400) comprises a storage shell (401), a rotating rod (402) and a cleaning rod (405) which are respectively connected to the inner top and the inner bottom of the storage shell (401) in a rotating mode, a winding roller (403) arranged on the outer surface of the rotating rod (402), a projection screen (404) arranged on the outer surface of the winding roller (403) and a cleaning roller (406) arranged on the outer surface of the cleaning rod (405); the outer surface of the cleaning roller (406) is in close contact with the surface of the projection screen (404) near the cleaning rod (405).

10. The projection screen of claim 9 wherein: the cleaning device is characterized in that a transmission gear (407) and a driven gear (408) are respectively arranged at the left end of the outer surface of the rotating rod (402) and the left end of the outer surface of the cleaning rod (405), the transmission gear (407) is meshed with the driven gear (408), a storage servo motor (409) is arranged on the right side wall of the storage shell (401) through a machine box, and an output shaft of the storage servo motor (409) is in transmission connection with the right end of the rotating rod (402) through a coupler.