阅读说明：本技术 一种用于企业管理的投影布收卷装置 (A projection cloth coiling mechanism for business administration ) 是由 宁琴 于 2021-07-27 设计创作，主要内容包括：本发明涉及企业管理技术领域,且公开了一种用于企业管理的投影布收卷装置,包括壳体,所述壳体的内壁活动连接有转轴,所述转轴的内壁开设有卡槽,所述壳体的内壁活动连接有摩擦环,所述摩擦环的内壁弹性连接有卡块,所述壳体的内壁活动连接有控制机构,所述壳体的内壁活动连接有抚平机构。该用于企业管理的投影布收卷装置,通过电介质板的下移,使得正极板与负极板之间相对面积的减小,依据压敏电阻的特性,使得辊轴与投影布接触,实现了避免投影布在使用后出现表面褶皱的现象,防止褶皱的堆积,避免投影布在收卷后发生松垮,防止再次松放投影布时,投影布与收卷轴之间发生卡接,避免损伤投影布,提高了投影布的使用寿命。(The invention relates to the technical field of enterprise management and discloses a projection cloth winding device for enterprise management, which comprises a shell, wherein the inner wall of the shell is movably connected with a rotating shaft, the inner wall of the rotating shaft is provided with a clamping groove, the inner wall of the shell is movably connected with a friction ring, the inner wall of the friction ring is elastically connected with a clamping block, the inner wall of the shell is movably connected with a control mechanism, and the inner wall of the shell is movably connected with a smoothing mechanism. This a projection cloth coiling mechanism for business administration, move down through the dielectric medium board, make the reduction of relative area between positive plate and the negative plate, according to piezo-resistor's characteristic, make roller and projection cloth contact, realized avoiding projection cloth the phenomenon of surface fold to appear after the use, prevent piling up of fold, avoid projection cloth to take place to loose after the rolling and collapse, when preventing to loose projection cloth once more, take place the joint between projection cloth and the rolling axle, avoid haring projection cloth, the life of projection cloth has been improved.)

1. The utility model provides a projection cloth coiling mechanism for business administration, includes casing (1), its characterized in that: the inner wall swing joint of casing (1) has pivot (2), draw-in groove (3) have been seted up to the inner wall of pivot (2), the inner wall swing joint of casing (1) has friction ring (4), the inner wall elastic connection of friction ring (4) has fixture block (5), the inner wall swing joint of casing (1) has control mechanism (6), the inner wall swing joint of casing (1) has smooths mechanism (7).

2. The projection cloth rolling device for enterprise management according to claim 1, wherein: the structure of friction ring (4) is the torus structure, the material of friction ring (4) is the rubber material, the even distribution of fixture block (5) is at the inner wall of friction ring (4).

3. The projection cloth rolling device for enterprise management according to claim 1, wherein: the number of the clamping blocks (5) is the same as that of the clamping grooves (3), and the size of the clamping blocks (5) is matched with that of the friction ring (4).

4. The projection cloth rolling device for enterprise management according to claim 1, wherein: control mechanism (6) include friction lever (10), inner wall fixedly connected with dielectric plate (14) of friction lever (10), spacing groove (12) have been seted up to the inner wall of friction lever (10), the inner wall of casing (1) just is close to outside fixedly connected with positive plate (8) of friction lever (10), the inner wall of casing (1) just is close to outside fixedly connected with negative plate (9) of friction lever (10), the inner wall of casing (1) just is close to outside fixedly connected with electronic expansion valve (11) of friction lever (10), the inner wall of casing (1) just is close to outside fixedly connected with piezo-resistor (13) of friction lever (10).

5. The projection cloth rolling device for enterprise management according to claim 4, wherein: the positive plate (8) and the negative plate (9) are identical in shape and size, and the negative plate (9) is electrically connected with the piezoresistor (13).

6. The projection cloth rolling device for enterprise management according to claim 4, wherein: the number of the electronic expansion valves (11) is the same as that of the limiting grooves (12), the size of the electronic expansion valves (11) is matched with that of the limiting grooves (12), and the electronic expansion valves (11) are electrically connected with the piezoresistors (13).

7. The projection cloth rolling device for enterprise management according to claim 1, wherein: the flattening mechanism (7) comprises a pressing rod (15), a magnetic block (16) is fixedly connected to the inner wall of the pressing rod (15), a fixed shaft (17) is fixedly connected to the bottom of the pressing rod (15), a roller shaft (18) is movably connected to the outer side of the fixed shaft (17), and an electromagnet (19) is fixedly connected to the outer side, close to the pressing rod (15), of the inner wall of the shell (1).

8. The projection cloth rolling device for enterprise management according to claim 7, wherein: the magnetism of the opposite surfaces of the electromagnet (19) and the magnetic block (16) is the same, the electromagnet (19) is electrically connected with the piezoresistor (13), and the structure of the roll shaft (18) is a circular ring structure.

Technical Field

The invention relates to the technical field of enterprise management, in particular to a projection cloth winding device for enterprise management.

Background

Enterprise management is a general term for planning, organizing, commanding, coordinating and controlling a series of activities of enterprise production and operation, is an objective requirement of social mass production, needs to perform data analysis on the market in enterprise management, needs to be supported by projection equipment, and has a phenomenon of surface wrinkles in the use process of projection cloth in the projection equipment.

When present projection cloth uses, the rotation through the interior motor of coiling mechanism drives the rotation of rolling axle to accomplish the receipts and release of rolling cloth, because artificial touching to projection cloth, the phenomenon of surface fold can appear when using in present projection cloth, along with piling up of fold, lead to projection cloth to take place to loose after the rolling, when leading to loose projection cloth once more, take place the joint between projection cloth and the rolling axle, can damage projection cloth, reduced projection cloth's life.

Therefore, we propose a projection cloth rolling device for enterprise management to solve the above problems.

Disclosure of Invention

Technical scheme (I)

In order to avoid the phenomenon that the surface of the projection cloth is wrinkled after the projection cloth is used, prevent the wrinkles from being accumulated, avoid the projection cloth from being loosened after being rolled, prevent the projection cloth from being clamped with a rolling shaft when the projection cloth is loosened again, avoid the projection cloth from being damaged and improve the service life of the projection cloth, the invention provides the following technical scheme: the utility model provides a projection cloth coiling mechanism for enterprise management, includes the casing, the inner wall swing joint of casing has the pivot, the draw-in groove has been seted up to the inner wall of pivot, the inner wall swing joint of casing has the friction ring, the inner wall elastic connection of friction ring has the fixture block, the inner wall swing joint of casing has control mechanism, the inner wall swing joint of casing has smooths the mechanism.

Preferably, the structure of friction ring is the torus structure, the material of friction ring is the rubber material, the even distribution of fixture block has played the effect that produces friction at the inner wall of friction ring.

Preferably, the number of the clamping blocks is the same as that of the clamping grooves, the size of the clamping blocks is matched with that of the friction ring, and the clamping blocks play a clamping role.

Preferably, control mechanism includes the friction lever, the inner wall fixedly connected with dielectric plate of friction lever, the spacing groove has been seted up to the inner wall of friction lever, the inner wall of casing and the outside fixedly connected with positive plate that is close to the friction lever, the inner wall of casing and the outside fixedly connected with negative plate that is close to the friction lever, the inner wall of casing and the outside fixedly connected with electronic expansion valve that is close to the friction lever, the inner wall of casing and the outside fixedly connected with piezo-resistor that is close to the friction lever.

Preferably, the shape and size of the positive plate and the negative plate are the same, the negative plate is electrically connected with the piezoresistor, and the positive plate and the negative plate play a role of a control circuit.

Preferably, the number of the electronic expansion valves is the same as that of the limiting grooves, the size of the electronic expansion valves is matched with that of the limiting grooves, the electronic expansion valves are electrically connected with the piezoresistors, and the electronic expansion valves play a limiting role.

Preferably, the smoothing mechanism comprises a pressing rod, a magnetic block is fixedly connected to the inner wall of the pressing rod, a fixed shaft is fixedly connected to the bottom of the pressing rod, a roller shaft is movably connected to the outer side of the fixed shaft, and an electromagnet is fixedly connected to the outer side, close to the pressing rod, of the inner wall of the shell.

Preferably, the opposite surfaces of the electromagnet and the magnetic block have the same magnetism, the electromagnet is electrically connected with the piezoresistor, the roller shaft is of a ring structure, and the electromagnet and the magnetic block have the mutual repulsion effect.

(II) advantageous effects

Compared with the prior art, the invention provides a projection cloth winding device for enterprise management, which has the following beneficial effects:

1. this a projection cloth coiling mechanism for business administration, move down through the dielectric medium board, make the reduction of relative area between positive plate and the negative plate, according to piezo-resistor's characteristic, make roller and projection cloth contact, realized avoiding projection cloth the phenomenon of surface fold to appear after the use, prevent piling up of fold, avoid projection cloth to take place to loose after the rolling and collapse, when preventing to loose projection cloth once more, take place the joint between projection cloth and the rolling axle, avoid haring projection cloth, the life of projection cloth has been improved.

2. This a projection cloth coiling mechanism for enterprise management through the lapse of dielectric layer board, according to piezo-resistor's characteristic, when the voltage between positive plate and the negative plate is greater than piezo-resistor's maximum control voltage, piezo-resistor intercommunication circuit is in the state of opening a circuit, and when the voltage between positive plate and the negative plate was less than piezo-resistor's maximum control voltage, piezo-resistor intercommunication's circuit was in the state of route, has realized the used cyclically of material, has improved the utilization ratio of resource.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a card slot; 4. a friction ring; 5. a clamping block; 6. a control mechanism; 7. a smoothing mechanism; 8. a positive plate; 9. a negative plate; 10. a friction lever; 11. an electronic expansion valve; 12. A limiting groove; 13. a voltage dependent resistor; 14. a dielectric plate; 15. a pressure lever; 16. a magnetic block; 17. a fixed shaft; 18. a roll shaft; 19. an electromagnet.

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.

The first embodiment is as follows:

referring to fig. 1 and 3, a projection cloth winding device for enterprise management comprises a housing 1, wherein the inner wall of the housing 1 is movably connected with a rotating shaft 2, the inner wall of the rotating shaft 2 is provided with a clamping groove 3, the inner wall of the housing 1 is movably connected with a friction ring 4, the friction ring 4 is in a ring structure, the friction ring 4 is made of rubber, clamping blocks 5 are uniformly distributed on the inner wall of the friction ring 4, the friction ring 4 has a function of generating friction, the inner wall of the friction ring 4 is elastically connected with clamping blocks 5, the number of the clamping blocks 5 is the same as that of the clamping grooves 3, the size of the clamping blocks 5 is matched with that of the friction ring 4, the clamping blocks 5 have a clamping function, and the inner wall of the housing 1 is movably connected with a control mechanism 6;

the control mechanism 6 comprises a friction rod 10, a dielectric plate 14 is fixedly connected to the inner wall of the friction rod 10, a limiting groove 12 is formed in the inner wall of the friction rod 10, a positive plate 8 is fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, the shape and the size of the positive plate 8 are the same as those of the negative plate 9, the negative plate 9 is electrically connected with a piezoresistor 13, a control circuit is formed between the positive plate 8 and the negative plate 9, the negative plate 9 is fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, electronic expansion valves 11 are fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, the number of the electronic expansion valves 11 is the same as that of the limiting groove 12, the size of the electronic expansion valves 11 is matched with that of the limiting groove 12, the electronic expansion valves 11 are electrically connected with the piezoresistor 13, and the electronic expansion valves 11 play a limiting role, a piezoresistor 13 is fixedly connected to the inner wall of the shell 1 and the outer side close to the friction rod 10;

example two:

referring to fig. 1-4, a projection cloth winding device for enterprise management comprises a housing 1, wherein the inner wall of the housing 1 is movably connected with a rotating shaft 2, the inner wall of the rotating shaft 2 is provided with a clamping groove 3, the inner wall of the housing 1 is movably connected with a friction ring 4, the friction ring 4 is of a ring structure, the friction ring 4 is made of rubber, clamping blocks 5 are uniformly distributed on the inner wall of the friction ring 4, the friction ring 4 has a function of generating friction, the inner wall of the friction ring 4 is elastically connected with clamping blocks 5, the number of the clamping blocks 5 is the same as that of the clamping grooves 3, the size of the clamping blocks 5 is matched with that of the friction ring 4, the clamping blocks 5 have a clamping function, and the inner wall of the housing 1 is movably connected with a leveling mechanism 7;

the flattening mechanism 7 comprises a pressing rod 15, a magnetic block 16 is fixedly connected to the inner wall of the pressing rod 15, a fixed shaft 17 is fixedly connected to the bottom of the pressing rod 15, a roller shaft 18 is movably connected to the outer side of the fixed shaft 17, an electromagnet 19 is fixedly connected to the inner wall of the shell 1 and the outer side close to the pressing rod 15, the opposite surfaces of the electromagnet 19 and the magnetic block 16 are the same in magnetism, the electromagnet 19 is electrically connected with the piezoresistor 13, the roller shaft 18 is of a ring structure, and the electromagnet 19 and the magnetic block 16 have the mutual repulsion effect;

the rotating shaft 2 rotates clockwise, at this time, under the clamping action of the clamping groove 3 and the clamping block 5, the rotation of the rotating shaft 2 drives the friction ring 4 to rotate together with the friction ring, the flattening mechanism 7 starts to operate, the electromagnet 19 has magnetism and then repels the magnetic block 16, so that the pressing rod 15 moves downwards under the action of repulsive force, the fixing shaft 17 is driven to move downwards, the roller shaft 18 extrudes the rolled projection cloth, and meanwhile, the rolling projection cloth rotates along with the rotation of the rotating shaft 2;

example three:

referring to fig. 1-4, a projection cloth winding device for enterprise management comprises a housing 1, wherein the inner wall of the housing 1 is movably connected with a rotating shaft 2, the inner wall of the rotating shaft 2 is provided with a clamping groove 3, the inner wall of the housing 1 is movably connected with a friction ring 4, the friction ring 4 is in a ring structure, the friction ring 4 is made of rubber, clamping blocks 5 are uniformly distributed on the inner wall of the friction ring 4, the friction ring 4 has a function of generating friction, the inner wall of the friction ring 4 is elastically connected with clamping blocks 5, the number of the clamping blocks 5 is the same as that of the clamping grooves 3, the size of the clamping blocks 5 is adapted to that of the friction ring 4, the clamping blocks 5 have a clamping function, and the inner wall of the housing 1 is movably connected with a control mechanism 6;

the control mechanism 6 comprises a friction rod 10, a dielectric plate 14 is fixedly connected to the inner wall of the friction rod 10, a limiting groove 12 is formed in the inner wall of the friction rod 10, a positive plate 8 is fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, the shape and the size of the positive plate 8 are the same as those of the negative plate 9, the negative plate 9 is electrically connected with a piezoresistor 13, a control circuit is formed between the positive plate 8 and the negative plate 9, the negative plate 9 is fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, electronic expansion valves 11 are fixedly connected to the inner wall of the shell 1 and is close to the outer side of the friction rod 10, the number of the electronic expansion valves 11 is the same as that of the limiting groove 12, the size of the electronic expansion valves 11 is matched with that of the limiting groove 12, the electronic expansion valves 11 are electrically connected with the piezoresistor 13, and the electronic expansion valves 11 play a limiting role, the inner wall of the shell 1 and the outer side close to the friction rod 10 are fixedly connected with a piezoresistor 13, and the inner wall of the shell 1 is movably connected with a smoothing mechanism 7;

the flattening mechanism 7 comprises a pressing rod 15, a magnetic block 16 is fixedly connected to the inner wall of the pressing rod 15, a fixed shaft 17 is fixedly connected to the bottom of the pressing rod 15, a roller shaft 18 is movably connected to the outer side of the fixed shaft 17, an electromagnet 19 is fixedly connected to the outer side of the inner wall of the shell 1 and close to the pressing rod 15, the opposite faces of the electromagnet 19 and the magnetic block 16 are the same in magnetism, the electromagnet 19 is electrically connected with the piezoresistor 13, the structure of the roller shaft 18 is a torus structure, and the electromagnet 19 and the magnetic block 16 have the mutual repulsion effect.

The working principle is as follows: when the winding device is used, when projection cloth needs to be released, the rotating shaft 2 rotates anticlockwise, when the projection cloth needs to be wound, the rotating shaft 2 rotates clockwise, at the moment, due to the clamping effect of the clamping groove 3 and the clamping block 5, the rotating shaft 2 rotates to drive the friction ring 4 to rotate along with the friction ring, at the moment, under the static friction effect between the friction ring 4 and the control mechanism 6, the friction ring 4 drives the friction rod 10 to move downwards, so that the dielectric plate 14 moves downwards, the relative area between the positive plate 8 and the negative plate 9 is reduced, further the control voltage between the positive plate 8 and the negative plate 9 is reduced, when the control voltage is smaller than the maximum working voltage of the piezoresistor 13, a circuit communicated with the piezoresistor 13 is in a state of a passage, at the moment, the electronic expansion valve 11 expands to be clamped with the limiting groove 12, further the friction rod 10 does not move any more, static friction is not generated between the friction rod 10 and the friction ring 4;

meanwhile, the smoothing mechanism 7 starts to operate, the electromagnet 19 electrically connected with the circuit where the piezoresistor 13 is located has magnetism, and then repels the magnetic block 16, so that the pressure rod 15 moves downwards under the action of the repulsion force, and further the fixed shaft 17 is driven to move downwards, the roller shaft 18 extrudes the rolled projection cloth, and meanwhile, the rolled projection cloth rotates along with the rotation of the rotating shaft 2, and the projection cloth with surface wrinkles is smoothed;

above-mentioned process is as shown in fig. 3, has realized avoiding the phenomenon that the surface fold appears after the projection cloth uses, prevents piling up of fold, avoids the projection cloth to take place to loose after the rolling, when preventing to loose the projection cloth again, takes place the joint between projection cloth and the rolling axle, avoids haring the projection cloth, has improved the life of projection cloth.

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.