CN217098918U

CN217098918U - Film switch film covering device

Info

Publication number: CN217098918U
Application number: CN202220587734.4U
Authority: CN
Inventors: 张严
Original assignee: Xiamen Mingcai Electronic Technology Co ltd
Current assignee: Xiamen Mingcai Electronic Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-02
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of the membrane switch production, concretely relates to membrane switch tectorial membrane device, comprises an operation bench, the bottom fixed mounting of operation panel has the supporting leg, the top of operation panel is provided with the tectorial membrane subassembly, the top fixed mounting of operation panel has the fixed bolster, the front of fixed bolster slides and is provided with the bracing piece, the outside of bracing piece is equipped with the tensioning roller, the junction of bracing piece and tensioning roller is provided with the sliding block, the sliding block slides and cup joints in the surface of bracing piece, the inside of sliding block still is provided with the locating component who is used for fastening the tensioning roller. The utility model discloses a damping piece and fastening block's design is compared in driven screw extrusion fixedly, and damping piece and fastening block can increase the area of contact between bracing piece and the sliding block to fastening nature between sliding block and the bracing piece can obtain promoting, and then the tensioning roller just can not relative bracing piece gliding easily.

Description

Film switch film covering device

Technical Field

The utility model relates to a membrane switch, more specifically says that it relates to a membrane switch tectorial membrane device.

Background

With the miniaturization of electronic equipment, the operation keyboard is also continuously reduced, and the normal operation of people is influenced by the reduction of the volume of the traditional keys, so that an operation system integrating the functions of the keys, an indicating element and an instrument panel, which is also called as a membrane switch, is developed by people.

The membrane switch can cover a layer of film outside its when producing, and at the tectorial membrane in-process, the film needs to keep tight smooth state constantly, so need take the tensioning with the film at the beginning of tectorial membrane, the mode of using always is adding one or more tensioning roller mostly, but the film can exert a decurrent extrusion force to the tensioning roller when tensile, traditional fastening mode mostly relies on the bolt to realize the fixed of tensioning roller purely, this kind of fixed mode obviously has the area of contact little, the fastening nature subalternation problem, thereby in the tectorial membrane in-process, the tensioning roller probably can not exert self effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a membrane switch tectorial membrane device, its advantage lies in, can increase the area of contact between bracing piece and the sliding block to the fastening nature between sliding block and the bracing piece can obtain promoting, and then the tensioning roller just can not relative bracing piece gliding easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a membrane switch tectorial membrane device, includes the operation panel, the bottom fixed mounting of operation panel has the supporting leg, the top of operation panel is provided with the tectorial membrane subassembly, the top fixed mounting of operation panel has the fixed bolster, the front of fixed bolster slides and is provided with the bracing piece, the outside of bracing piece is equipped with the tensioning roller, the junction of bracing piece and tensioning roller is provided with the sliding block, the sliding block slides and cup joints in the surface of bracing piece, the inside of sliding block still is provided with the locating component who is used for fastening the tensioning roller.

Through adopting above-mentioned technical scheme, when needs tensioning film, can assist the realization through the position of adjustment tensioning roller to after tensioning roller position control, locating component can also be with its stable fixing at the bracing piece surface, thereby the tensioning roller can not receive the extrusion of film and descend.

The utility model discloses further set up to: the front of fixed bolster has seted up the spout, the top thread bush of bracing piece is equipped with fastening bolt, fastening bolt's one end runs through the bracing piece and swivelling joint has the slider, the inside of spout is located to the slider sliding sleeve.

Through adopting above-mentioned technical scheme, when the lateral position of tensioning roller is adjusted to needs, can unscrew fastening bolt in advance, remove the outside extrusion force of slider, then through promoting the bracing piece, the slider just can be synchronous slides in the inside of spout, and the tensioning roller is also synchronous simultaneously along with the bracing piece and shifts.

The utility model discloses further set up to: the bottom of bracing piece has seted up the groove that link up, the inside fixed the inlaying of sliding block is equipped with the damping piece, the inside in groove that links up is located to the damping piece sliding sleeve.

Through adopting above-mentioned technical scheme, the area of contact between bracing piece and the sliding block has been increased to the damping piece, and then the frictional force between bracing piece and the sliding block also will corresponding increase.

The utility model discloses further set up to: the through groove penetrates through the bottom end of the supporting rod, and a blocking piece is further in threaded connection with the bottom end of the supporting rod.

Through adopting above-mentioned technical scheme, the threaded connection who stops has the characteristic of quick detach, and then conveniently takes off the sliding block from the bracing piece or to the bracing piece on installation sliding block.

The utility model discloses further set up to: the one end fixedly connected with of tensioning roller connects the pole, the front of sliding block is seted up and is connected the corresponding butt joint groove of pole, the joint groove has been seted up to the one end of butt joint pole, the inside fixed joint piece that is equipped with and mutually supports in joint groove of inlaying of butt joint groove.

Through adopting above-mentioned technical scheme, when the installation tensioning roller, the rotatory tensioning roller of accessible makes the joint groove align the joint piece, and then butt joint pole alright butt joint the inside in groove completely, also corresponding mounted position who confirms the tensioning roller this moment.

The utility model discloses further set up to: the locating component comprises a threaded sleeve, a threaded rod and a fastening block, one side of the middle part of the sliding block is arranged in a threaded sleeve, the inside of the threaded sleeve is arranged in a threaded rod threaded sleeve, a through hole corresponding to the threaded sleeve is formed in one side of the butt joint rod, the inside of the sliding block is arranged in a fastening block sliding sleeve, the fastening block is arranged into an arc surface facing one side of the supporting rod, and one side of the axis of the fastening block is connected with one end of the threaded rod in a rotating mode.

Through adopting above-mentioned technical scheme, after tensioning roller position control finishes, but threaded sleeve horizontal grafting to the through-hole in, makes its relative sliding block fixed, and rethread adjusting threaded rod can be so that the fastening block presss from both sides tightly in the side of bracing piece simultaneously for the sliding block relative supporting pole is fixed.

The utility model discloses further set up to: the inner ring threads and the outer ring threads of the threaded sleeve are opposite in turning direction, and the outer ring turning direction of the threaded sleeve is consistent with that of the threaded rod.

Through adopting above-mentioned technical scheme, the threaded rod and the threaded sleeve that revolve to unanimity atress direction unanimity when rotating, when adjusting one of them alone, another can not remove by a wide margin in step.

The utility model discloses further set up to: the side fixedly connected with guide block of fastening block, the inside of sliding block is seted up with the corresponding guide way of guide block.

Through adopting above-mentioned technical scheme, when rotatory threaded rod, the relative threaded sleeve of threaded rod and sliding block take place horizontal position change, and the threaded rod still can drive the fastening block simultaneously and shift, and the fastening block drives the inside slip of guide block along the guide way to can not rotate along with the threaded rod.

To sum up, the utility model has the advantages of it is following:

1. the utility model discloses a membrane switch tectorial membrane device adopts the design of locating component, and locating component can enough fix the tensioning roller in the front of sliding block, still need not take off the tensioning roller when adjusting the height of tensioning roller for tensioning roller height adjustment work can comparatively simple and convenient going on;

2. the utility model discloses a membrane switch tectorial membrane device adopts the design of damping piece and fastening block, compares in driven screw extrusion fixed, and damping piece and fastening block can increase the area of contact between bracing piece and the sliding block to fastening nature between sliding block and the bracing piece can obtain promoting, and then the relative bracing piece gliding that just can not easily of tensioning roller.

Drawings

Fig. 1 is a schematic view of an integrated device provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a slider provided by an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of the inside of the sliding block according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a positioning assembly provided by an embodiment of the present invention.

Description of reference numerals: 1. an operation table; 101. supporting legs; 2. fixing a bracket; 201. a chute; 3. a support bar; 301. fastening a bolt; 4. a tension roller; 401. a docking rod; 5. a slider; 501. a damping block; 502. a clamping block; 6. a positioning assembly; 601. a threaded sleeve; 602. a threaded rod; 603. and (5) fastening the block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A film switch film covering device is disclosed, as shown in fig. 1 and fig. 2, comprising an operation table 1, a supporting leg 101 is fixedly installed at the bottom end of the operation table 1, a film covering component is arranged above the operation table 1 and used for covering a film for a film switch, which is a mature technical means in the prior art and will not be described in detail herein, a fixed support 2 is fixedly installed above the operation table 1, a supporting rod 3 is slidably arranged on the front surface of the fixed support 2, a tensioning roller 4 is assembled on the outer side of the supporting rod 3, the tensioning roller 4 is used for tensioning a film in the film switch film covering process, so as to avoid the occurrence of the phenomenon of bubbles after the film switch peritoneum due to the loose film, a sliding block 5 is arranged at the joint of the supporting rod 3 and the tensioning roller 4, the sliding block 5 is slidably sleeved on the outer surface of the supporting rod 3, and a positioning component 6 for fastening the tensioning roller 4 is also arranged inside the sliding block 5, tensioning roller 4 passes through locating component 6 to be fixed behind the side of sliding block 5, through the position of adjustment sliding block 5, can realize adjusting the purpose in tensioning roller 4 position.

Specifically, the laminating equipment is also provided with a winding roller for winding the film, after the position of the winding roller is determined, the film of a worker is stretched towards the laminating component from the upper part of the tension roller 4, then the position of the tension roller 4 is adjusted to tension the film, so that the film above the film switch cannot be loosened, the tensioned film is in a flat state, and the laminating work of the film switch can be smoothly carried out.

As shown in fig. 1, spout 201 has been seted up in the front of fixed bolster 2, the top thread bush of bracing piece 3 is equipped with fastening bolt 301, fastening bolt 301's one end runs through bracing piece 3 and swivelling joint has the slider, the inside of spout 201 is located to slider sliding sleeve, the thickness of slider is less than the degree of depth of spout 201, the staff is at first unscrewed fastening bolt 301, the slider will not inseparable laminating in the inside of spout 201 again, and then the slider just can shift relative spout 201, and then bracing piece 3 also can shift relative fixed bolster 2, with this mesh that realizes adjusting tensioning roller 4 positions.

As shown in fig. 1 and 2, a through groove is formed in the bottom of the support rod 3, a damping block 501 is fixedly embedded in the sliding block 5, the damping block 501 is slidably sleeved in the through groove, the inner wall of the through groove and the outer wall of the damping block 501 are attached to each other, and the inner wall of the through groove is processed into a rough surface, so that the friction force between the damping block 501 and the through groove can be increased.

It should be noted that the through groove penetrates through the bottom end of the support rod 3, and the bottom end of the support rod 3 is further connected with a blocking member in a threaded manner, and the blocking member may be configured as a bolt or a screw, which is a technical means that those skilled in the art can easily associate and implement, and the setting is not limited in the text, and the setting may be specifically performed according to actual production or use requirements.

As shown in fig. 3, the one end fixedly connected with of tensioning roller 4 connects pole 401, the corresponding butt joint groove with butt joint pole 401 has been seted up in the front of sliding block 5, the joint groove has been seted up to the one end of butt joint pole 401, the inside fixed joint piece 502 of mutually supporting with the joint groove of inlaying in butt joint groove, joint piece 502 and joint groove set up the square structure into the looks adaptation for can not rotate after the inside of butt joint groove is pegged graft to butt joint pole 401, can also confirm the position after butt joint pole 401 is pegged graft simultaneously.

As shown in fig. 3 and 4, the positioning assembly 6 includes a threaded sleeve 601, a threaded rod 602, and a fastening block 603, the threaded sleeve 601 is threadedly sleeved on one side of the middle portion of the sliding block 5, the threaded rod 602 is threadedly sleeved inside the threaded sleeve 601, a through hole corresponding to the threaded sleeve 601 is opened on one side of the docking rod 401, the fastening block 603 is slidingly sleeved inside the sliding block 5, one side of the fastening block 603 facing the supporting rod 3 is set to be an arc surface, and one side of the fastening block 603 at the axis is rotatably connected to one end of the threaded rod 602.

It should be noted that the inner-ring thread and the outer-ring thread of the threaded sleeve 601 have opposite directions of rotation, the outer-ring direction of the threaded sleeve 601 is the same as the outer-ring direction of the threaded rod 602, and the force directions of the two are the same no matter whether the threaded sleeve 601 or the threaded rod 602 is adjusted independently, so that when one of the two is adjusted, the other does not move relatively greatly.

Further, as shown in fig. 4, the side of the fastening block 603 is also fixedly connected with a guide block, a guide groove corresponding to the guide block is further formed in the sliding block 5, and then the fastening block 603 can only translate relative to the sliding block 5, and cannot rotate due to the rotation of the threaded rod 602, so that the orientation of the fastening block 603 cannot change, and further the arc surface of the fastening block 603 can always correspond to one side of the support rod 3 with the largest area.

According to above-mentioned structure, when tensioning roller 4 is installed to needs, the staff at first twists out threaded sleeve 601 from sliding block 5's inside, and then the butt joint groove will be exposed, the staff pegs graft the inside to the butt joint groove with butt joint bar 401 afterwards, then the staff can accomplish fixedly with threaded sleeve 601 twists sliding block 5's inside again, follow-up staff still can be solitary to sliding block 5's inside twist threaded rod 602, threaded rod 602 will gradually drive the inseparable laminating of mounting block 603 at bracing piece 3's surface, with this alright make tensioning roller 4 can fix bracing piece 3 relatively, if need adjust tensioning roller 4's height, the staff only need solitary twist movable threaded rod 602 can, need not to take off tensioning roller 4.

The utility model discloses a working process and beneficial effect as follows:

the staff is at first that the film passes through tensioning roller 4 top to the direction of tectorial membrane subassembly is tensile, then makes the film tensioning through the position of adjustment tensioning roller 4 to utilize locating component 6 to fix tensioning roller 4 in the outside of bracing piece 3, and then make the film of film switch top can not loosen, the film that tightens will be in smooth state, thereby the tectorial membrane work of film switch can be smooth going on.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A membrane switch tectorial membrane device which characterized in that: including operation panel (1), the bottom fixed mounting of operation panel (1) has supporting leg (101), the top of operation panel (1) is provided with the tectorial membrane subassembly, the top fixed mounting of operation panel (1) has fixed bolster (2), the front of fixed bolster (2) slides and is provided with bracing piece (3), the outside of bracing piece (3) is equipped with tensioning roller (4), the junction of bracing piece (3) and tensioning roller (4) is provided with sliding block (5), sliding block (5) slide and cup joint in the surface of bracing piece (3), the inside of sliding block (5) still is provided with locating component (6) that are used for fastening tensioning roller (4).

2. The membrane switch covering device according to claim 1, wherein: spout (201) have been seted up in the front of fixed bolster (2), the top threaded sleeve of bracing piece (3) is equipped with fastening bolt (301), the one end of fastening bolt (301) runs through bracing piece (3) and swivelling joint has the slider, the inside of spout (201) is located to the slider sliding sleeve.

3. The membrane switch covering device according to claim 1, wherein: the bottom of the supporting rod (3) is provided with a through groove, a damping block (501) is fixedly embedded in the sliding block (5), and the damping block (501) is sleeved in the through groove in a sliding mode.

4. The membrane switch covering device according to claim 3, wherein: the through groove penetrates through the bottom end of the supporting rod (3), and a blocking piece is further in threaded connection with the bottom end of the supporting rod (3).

5. The membrane switch covering device according to claim 1, wherein: one end fixedly connected with of tensioning roller (4) is to butt joint pole (401), the front of sliding block (5) is seted up and is docked corresponding butt joint groove in pole (401), the joint groove has been seted up to the one end of butt joint pole (401), the inside fixed joint that is equipped with and the joint groove joint piece (502) of mutually supporting is inlayed to the butt joint groove.

6. The membrane switch covering device according to claim 5, wherein: locating component (6) include threaded sleeve (601), threaded rod (602) and fastening block (603), sliding block (5) one side at middle part is located to threaded sleeve (601) thread bush, the inside of threaded sleeve (601) is located to threaded rod (602) thread bush, the corresponding through hole with threaded sleeve (601) is seted up to one side of butt joint pole (401), the inside of sliding block (5) is located to fastening block (603) slip cap, one side of fastening block (603) towards bracing piece (3) sets up to the cambered surface, one side of fastening block (603) axle center department is rotated with the one end of threaded rod (602) and is connected.

7. The membrane switch covering device according to claim 6, wherein: the turning directions of the inner ring threads and the outer ring threads of the threaded sleeve (601) are opposite, and the turning direction of the outer ring of the threaded sleeve (601) is consistent with that of the outer ring of the threaded rod (602).

8. The membrane switch covering device according to claim 6, wherein: the side fixedly connected with guide block of fastening block (603), the inside of sliding block (5) is seted up the guide way corresponding with the guide block.