CN220947195U - Protection structure for film switch of printing machine - Google Patents
Protection structure for film switch of printing machine Download PDFInfo
- Publication number
- CN220947195U CN220947195U CN202323108968.XU CN202323108968U CN220947195U CN 220947195 U CN220947195 U CN 220947195U CN 202323108968 U CN202323108968 U CN 202323108968U CN 220947195 U CN220947195 U CN 220947195U
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- fixedly connected
- membrane switch
- printing machine
- constant force
- force spring
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- 239000012528 membrane Substances 0.000 claims abstract description 65
- 230000001681 protective effect Effects 0.000 claims description 35
- 238000000034 method Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of membrane switch protection, in particular to a protection structure for a membrane switch of a printing machine, which comprises a printing machine body; the side wall of the printer body is fixedly connected with a first fixing column; a pair of bearings are fixedly connected to the middle part of the first fixing column; a fixing ring is fixedly connected with the middle part of the bearing; the middle part of the fixed ring is fixedly connected with a constant force spring; an elbow is arranged at the end part of the constant force spring; a limit column is fixedly connected to the top of the printer body; the top of the constant force spring is fixedly connected with a plurality of protection sheets; when the printer is not used for carrying out tasks, the protection sheet positioned at the top of the constant force spring is paved at the top of the membrane switch through the extension of the constant force spring, the membrane switch is protected, and the membrane switch can be protected when not used through the arrangement, so that the possibility that the membrane switch cannot be normally used due to damage caused by direct collision, scratch and the like of foreign objects is reduced.
Description
Technical Field
The utility model belongs to the technical field of membrane switch protection, and particularly relates to a protection structure for a membrane switch of a printing machine.
Background
A press is a device for printing characters on paper, and a membrane switch is generally used for press key switches of the press which are currently in circulation in the market.
The membrane switch is an operation system with attractive appearance and long service life, and consists of a panel, an upper circuit, an isolation layer, a lower circuit, an outgoing line and a plug, and integrates the functions of a key, an indicating element, an instrument panel and the like.
The membrane switch is generally arranged on the surface of the printer, and is easily damaged and cannot be used normally due to direct collision, scratch and other factors of foreign objects.
To this end, the utility model provides a protective structure for a membrane switch of a printing press.
Disclosure of utility model
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a protective structure for a membrane switch of a printing machine, which comprises a printing machine body; the side wall of the printer body is fixedly connected with a first fixing column; a pair of bearings are fixedly connected to the middle part of the first fixing column; a fixing ring is fixedly connected with the middle part of the bearing; the middle part of the fixed ring is fixedly connected with a constant force spring; an elbow is arranged at the end part of the constant force spring; a limit column is fixedly connected to the top of the printer body; the top of the constant force spring is fixedly connected with a plurality of protection sheets; through the structure, the membrane switch can be protected when not in use, and the possibility that the membrane switch cannot be normally used due to damage caused by direct collision, scratch and the like of foreign objects is reduced.
Preferably, a pair of second fixing columns are fixedly connected to the side wall of the printer body; the middle part of the second fixed column is rotationally connected with a connecting column; the side wall of the connecting column is rotationally connected with a pressing plate; a chute is formed in the middle of the connecting column; the second fixed column is in sliding fit with the chute; through the structure, the membrane switch can be protected more strongly when the printer is not used, the possibility of damage caused by strong impact is reduced, and the pressing plate can be converted into the object placing table when the printer is used for working, so that some working tools are conveniently placed.
Preferably, the top of the constant force spring is fixedly connected with a fixed plate; the top of the fixed plate is fixedly connected with a fixed block; through the structure, the contraction length of the constant force spring can be limited, excessive contraction of the constant force spring is prevented, and the rolling and the laying of the protective sheet can be conveniently completed.
Preferably, the top parts of the plurality of protective sheets are fixedly connected with a first protective film; the bottoms of the plurality of protective sheets are fixedly connected with second protective films; through the structure, the liquid can be prevented from splashing to the surface of the membrane switch so as to influence the membrane switch.
Preferably, the bottom of the second protective film is fixedly connected with a first rubber pad; the first rubber pad is arranged at the bottom of the second protective film; by the structure, the second protective film and the membrane switch can be prevented from being adhered to a certain extent due to long-time contact.
Preferably, the side wall of the pressing plate is fixedly connected with a second rubber pad; the side wall of the second rubber cushion is arranged in a wave shape; through the structure, the damage of the side wall of the printing machine body and the side wall of the pressing plate caused by mutual extrusion can be reduced, and the wavy arrangement of the surface of the second rubber cushion can reduce the adhesion between the second rubber cushion and the printing machine body.
The beneficial effects of the utility model are as follows:
1. According to the protection structure for the membrane switch of the printing machine, when the printing machine is not used for a task, the elbow is pulled to drive the constant force spring to rotate and extend, the protection sheet positioned at the top of the constant force spring is paved at the top of the membrane switch to protect the membrane switch, then the elbow is hung on the side wall of the printing machine body to complete fixation, when the membrane switch is needed to be used, the elbow is pulled to enable the elbow not to be hooked with the side wall of the printing machine body, and then the protection sheet is wound in the middle of the constant force spring along with the shrinkage of the constant force spring, so that the protection structure can protect the constant force spring when the membrane switch is not used, and the possibility that the protection sheet cannot be normally used due to damage caused by direct collision, scratch and the like of foreign objects is reduced.
2. According to the protective structure for the membrane switch of the printing machine, when the printing machine is not used for working, the connecting column and the pressing plate can be rotated to enable the top of the pressing plate to be reversely buckled above the printing machine body, then the pressing plate is put down to enable the second fixing column to slide along the sliding groove, the pressing plate and the top of the printing machine body are closed, the membrane switch is covered, the membrane switch is protected, when the printing machine is used for working, the pressing plate is lifted, the second fixing column can slide along the sliding groove at the moment, the connecting column and the pressing plate are rotated after the second fixing column slides to the end part of the sliding groove, the pressing plate is placed on the side wall of the printing machine body, at the moment, the top of the pressing plate can be used as a placing table for placing some working tools, by the arrangement, the membrane switch can be protected more strongly when the printing machine is not used, the possibility of damage caused by strong impact is reduced, when the printing machine is used for working, the pressing plate can be converted into the placing table, and some working tools are convenient to place.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of the structure of the protective sheet of the present utility model;
FIG. 3 is a schematic view of the structure of the constant force spring of the present utility model;
FIG. 4 is a schematic view of the structure of the fixing block in the present utility model;
FIG. 5 is a schematic view of the structure of the platen of the present utility model;
FIG. 6 is a schematic view of the structure of a second protective film according to the present utility model;
In the figure: 1. a printer body; 12. a first fixing column; 13. a bearing; 14. a fixing ring; 15. a constant force spring; 16. a limit column; 17. an elbow; 18. a protective sheet; 2. a second fixing column; 21. a connecting column; 22. a chute; 23. a pressing plate; 3. a fixing plate; 31. a fixed block; 4. a first protective film; 41. a second protective film; 5. a first rubber pad; 6. a second rubber pad; 7. and a storage groove.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 3, a protective structure for a membrane switch of a printing machine according to an embodiment of the present utility model includes a printing machine body 1; the side wall of the printer body 1 is fixedly connected with a first fixing column 12; a pair of bearings 13 are fixedly connected to the middle part of the first fixed column 12; a fixed ring 14 is fixedly connected to the middle part of the bearing 13; the middle part of the fixed ring 14 is fixedly connected with a constant force spring 15; the end part of the constant force spring 15 is provided with an elbow 17; a limit column 16 is fixedly connected to the top of the printer body 1; the top of the constant force spring 15 is fixedly connected with a plurality of protection sheets 18; when the printer is not used for carrying out tasks, the constant force spring 15 is driven to rotate and extend through the pulling elbow 17, the protection sheet 18 positioned at the top of the constant force spring 15 is paved at the top of the membrane switch to protect the membrane switch, then the elbow 17 is hung on the side wall of the printer body 1 to finish fixing, when the membrane switch is required to be used, the elbow 17 is pulled to prevent the elbow 17 from hooking with the side wall of the printer body 1, then the protection sheet 18 can be wound in the middle of the constant force spring 15 along with the shrinkage of the constant force spring 15, and through the arrangement, the constant force spring can be protected when the membrane switch is not used, so that the possibility that the constant force spring cannot be normally used due to damage caused by direct collision, scratch and the like of foreign objects is reduced.
As shown in fig. 1 and 4, a pair of second fixing columns 2 are fixedly connected to the side wall of the printer body 1; the middle part of the second fixed column 2 is rotatably connected with a connecting column 21; the side wall of the connecting column 21 is rotatably connected with a pressing plate 23; a chute 22 is formed in the middle of the connecting column 21; the second fixing column 2 is in sliding fit with the chute 22; when the printer is not used for working, the connecting column 21 and the pressing plate 23 can be rotated to enable the top of the pressing plate 23 to be reversely buckled above the printer body 1, then the pressing plate 23 is put down to enable the second fixing column 2 to slide along the sliding groove 22, the top of the pressing plate 23 and the top of the printer body 1 are closed, the membrane switch is covered, the membrane switch is protected, when the printer is used for working, the pressing plate 23 is lifted, the second fixing column 2 can slide along the sliding groove 22, the connecting column 21 and the pressing plate 23 are rotated after the second fixing column 2 slides to the end part of the sliding groove 22, the pressing plate 23 is placed on the side wall of the printer body 1, at the moment, the top of the pressing plate 23 can be used as a placing table to place some working tools, the membrane switch can be protected more strongly when the printer is not used, the possibility of damage caused by strong impact is reduced, when the printer is used for working, the pressing plate 23 can be converted into the placing table, and some working tools are convenient to place.
As shown in fig. 1, 2 and 5, the top of the constant force spring 15 is fixedly connected with a fixed plate 3; a fixed block 31 is fixedly connected to the top of the fixed plate 3; when the constant force spring 15 contracts, the fixed block 31 can not contract completely because of the blocking of the limiting column 16 to the fixed block 31, so that the fixed block 31 stays at the side of the limiting column 16, the fixed block 31 can be directly pulled to drive the constant force spring 15 to expand when the membrane switch needs to be protected, the protection sheet 18 is paved above the membrane switch, the contraction length of the constant force spring 15 can be limited through the arrangement, excessive contraction is prevented, and the winding and paving of the protection sheet 18 can be conveniently completed.
As shown in fig. 1, 2, 5 and 6, the top of the plurality of protection sheets 18 is fixedly connected with a first protection film 4; the bottoms of the plurality of the protective sheets 18 are fixedly connected with a second protective film 41; when the membrane switch is not used, the fixed ring 14 and the second protective film 41 are driven to be unfolded through the stretching of the constant force spring 15, and are paved above the membrane switch, so that liquid can be prevented from splashing on the surface of the membrane switch and affecting the surface of the membrane switch through the arrangement.
As shown in fig. 1, 2 and 6, the bottom of the second protective film 41 is fixedly connected with a first rubber pad 5; the first rubber pad 5 is provided with a plurality of rubber pads at the bottom of the second protective film 41; after the second protective film 41 is laid on the surface of the membrane switch, gaps exist between the second protective film 41 and the membrane switch due to the existence of the plurality of first rubber pads 5, and adhesion between the second protective film 41 and the membrane switch due to long-time contact can be prevented to a certain extent through the arrangement.
As shown in fig. 1 and 4, the side wall of the pressing plate 23 is fixedly connected with a second rubber pad 6; the side wall of the second rubber cushion 6 is arranged in a wave shape; when the pressing plate 23 is used as a storage table to be placed on the side wall of the printer body 1, mutual pressure can be generated between the pressing plate 23 and the storage table, damage to the side wall of the printer body 1 and the side wall of the pressing plate 23 caused by mutual extrusion can be reduced through the arrangement of the second rubber cushion 6, and adhesion between the second rubber cushion 6 and the printer body 1 can be reduced through the wavy arrangement of the surface of the second rubber cushion 6.
As shown in fig. 1 and 4, the top of the pressing plate 23 is provided with a storage groove 7; the object placing grooves 7 are formed in the top of the pressing plate 23; when the pressing plate 23 is used as a storage table to be placed on the side wall of the printer body 1, the working tools can be placed in a plurality of storage grooves 7 formed in the top of the pressing plate 23, and the risk of sliding of articles can be reduced.
When the printer is not used for carrying out tasks, the constant force spring 15 is driven to rotate and extend by pulling the elbow 17, the protection sheet 18 positioned at the top of the constant force spring 15 is paved at the top of the membrane switch to protect the membrane switch, then the elbow 17 is hung on the side wall of the printer body 1 to finish fixing, when the membrane switch is required to be used, the elbow 17 is pulled to be no longer hooked with the side wall of the printer body 1, then the protection sheet 18 can be wound in the middle part of the constant force spring 15 along with the shrinkage of the constant force spring 15, the protection sheet can be protected when the membrane switch is not used, the possibility that the protection sheet cannot be normally used due to damage caused by direct collision, scratch and the like of foreign objects is reduced, when the printer is not used for working, the connecting column 21 and the pressing plate 23 can be rotated to enable the top of the pressing plate 23 to be reversely buckled above the printer body 1, then put down the clamp plate 23 and make the second fixed column 2 slide along the slide slot 22, close the top of clamp plate 23 and printer 1, finish the coverage of the membrane switch, protect the membrane switch, when using the printer to work, lift the clamp plate 23, at this moment the second fixed column 2 can slide along the slide slot 22, rotate the connecting column 21 and clamp plate 23 after the second fixed column 2 slides to the end of the slide slot 22, place the clamp plate 23 on the sidewall of the printer 1, at this moment the top of the clamp plate 23 can be regarded as placing some working tools, can carry on stronger protection to the membrane switch when not using the printer through this setting, reduce it and suffer the strong impact and lead to damaging possibility, and when using the printer to work, can make the clamp plate 23 change into placing the thing platform, conveniently place some working tools, when the constant force spring 15 is contracted, can can be because spacing post 16 stops the fixed block 31 and can't all shrink, make fixed block 31 stop in the side of spacing post 16, can directly stimulate fixed block 31 and drive constant force spring 15 expansion when needs protect membrane switch, lay the protection piece 18 in membrane switch's top, through such setting, can restrict the shrink length of constant force spring 15, prevent its excessive shrink, and can be convenient completion protection piece 18's rolling and laying, when not using membrane switch, it expands solid fixed ring 14 and second protection film 41 to drive through constant force spring 15's stretching, lay its top at membrane switch, through such setting, can prevent that liquid from splashing to membrane switch's surface and then cause the influence to it, second protection film 41 is laid after membrane switch's surface, can exist the gap between a plurality of first cushion 5 because of, through such setting, can prevent to a certain extent that second protection film 41 and membrane switch from because the adhesion that the contact of long-time causes, lay the adhesive pad that the second cushion 1 was laid as the clamp plate 23, can reduce the mutual pressure pad 1's that can produce between the organism's and the second side wall 1 when the organism is laid as placing the thing platform, and the second side wall 1 can reduce the mutual adhesion that can cause between the organism's 1 and the organism's 6 is printed by the mutual compression 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A protective structure for a membrane switch of a printing machine, comprising a printing machine body (1); the method is characterized in that: the side wall of the printing machine body (1) is fixedly connected with a first fixing column (12); the middle part of the first fixed column (12) is fixedly connected with a pair of bearings (13); a fixed ring (14) is fixedly connected to the middle part of the bearing (13); the middle part of the fixed ring (14) is fixedly connected with a constant force spring (15); an elbow (17) is arranged at the end part of the constant force spring (15); a limit column (16) is fixedly connected to the top of the printing machine body (1); the top of the constant force spring (15) is fixedly connected with a plurality of protection sheets (18).
2. A protective structure for a membrane switch of a printing machine as claimed in claim 1, wherein: a pair of second fixing columns (2) are fixedly connected to the side wall of the printing machine body (1); the middle part of the second fixed column (2) is rotationally connected with a connecting column (21); the side wall of the connecting column (21) is rotatably connected with a pressing plate (23); a chute (22) is formed in the middle of the connecting column (21); the second fixing column (2) is in sliding fit with the sliding groove (22).
3. A protective structure for a membrane switch of a printing machine according to claim 2, wherein: the top of the constant force spring (15) is fixedly connected with a fixed plate (3); the top of the fixed plate (3) is fixedly connected with a fixed block (31).
4. A protective structure for a membrane switch of a printing machine according to claim 3, wherein: the top parts of the plurality of protective sheets (18) are fixedly connected with a first protective film (4); the bottoms of the plurality of protection sheets (18) are fixedly connected with a second protection film (41).
5. The protective structure for a membrane switch of a printing machine of claim 4, wherein: the bottom of the second protective film (41) is fixedly connected with a first rubber pad (5); the first rubber pad (5) is provided with a plurality of rubber pads at the bottom of the second protective film (41).
6. A protective structure for a membrane switch of a printing press as claimed in claim 5, wherein: the side wall of the pressing plate (23) is fixedly connected with a second rubber pad (6); the side wall of the second rubber pad (6) is in a wavy arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323108968.XU CN220947195U (en) | 2023-11-15 | 2023-11-15 | Protection structure for film switch of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323108968.XU CN220947195U (en) | 2023-11-15 | 2023-11-15 | Protection structure for film switch of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947195U true CN220947195U (en) | 2024-05-14 |
Family
ID=91021847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323108968.XU Active CN220947195U (en) | 2023-11-15 | 2023-11-15 | Protection structure for film switch of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947195U (en) |
-
2023
- 2023-11-15 CN CN202323108968.XU patent/CN220947195U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |