CN219873243U - Key fixing structure of electronic word card - Google Patents
Key fixing structure of electronic word card Download PDFInfo
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- CN219873243U CN219873243U CN202320792406.2U CN202320792406U CN219873243U CN 219873243 U CN219873243 U CN 219873243U CN 202320792406 U CN202320792406 U CN 202320792406U CN 219873243 U CN219873243 U CN 219873243U
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- linear spring
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- 238000005452 bending Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a key fixing structure of an electronic word card, which comprises the following components: a housing having a key opening; the key is arranged in the key opening of the shell, and the top end of the key leaks out from the key opening; the linear spring is fixedly arranged in the shell and is provided with an abutting part which abuts against the bottom end of the key; by pressing the key downwards, the key presses the abutting part of the linear spring to deform, and the elastic force for resetting is provided when the key is released. According to the key fixing structure of the electronic word card, the key is not suitable for double-color injection molding any more, only hard glue is adopted, and when the key is installed, the key is propped against by matching with a linear spring, and the requirement of pressing and fixing is met by means of the elasticity of the linear spring. The key fixing structure of the electronic word card has the advantages of low cost, firm fixation, no virtual position when pressed, difficult key shaking, good key pressing hand feeling and improvement of user experience.
Description
Technical Field
The utility model relates to the technical field of intelligent learning equipment, in particular to a key fixing structure of an electronic word card.
Background
Word memory is the basis of english study, and the accumulation of word vocabulary is a continuous work in the whole english study process, therefore, in order better help people carry out word memory in english study, has appeared the product of an electronic word card in the market, has following characteristics:
the machine body is small and portable, is convenient to carry, and is beneficial to the user to learn words anytime and anywhere by utilizing the fragment time in the riding or waiting process.
And (II) the function is simple and single, and only has the word memory function, thereby being beneficial to the user to concentrate on word memory.
And thirdly, the standby time is long, and the convenience of the user in use is greatly improved.
And (IV) the structure is simple, and the cost is low.
Because the existing electronic word card mainly aims at better utilizing the fragmentation time and concentrating on word memory, the whole structure of the electronic word card is simpler, and the keys of the machine body are fewer. The traditional button fixed mode on current electronic word card adopts the bicolor injection molding, and the hard rubber button collocation flexible glue elastic arm, through flexible glue elastic arm card in the main part, plays fixed action and can satisfy the demand of pressing down again. The design has high double-color injection molding cost, is clamped on the main body through the flexible glue elastic arm, is not firm in fixation, and is easy to press and has a virtual position.
In view of this, the present utility model is specifically proposed.
Disclosure of Invention
In order to solve the problems, the utility model provides a key fixing structure of an electronic word card, which concretely adopts the following technical scheme:
a key fixing structure of an electronic word card, comprising:
a housing having a key opening;
the key is arranged in the key opening of the shell, and the top end of the key leaks out from the key opening;
the linear spring is fixedly arranged in the shell and is provided with an abutting part which abuts against the bottom end of the key;
by pressing the key downwards, the key presses the abutting part of the linear spring to deform, and the elastic force for resetting is provided when the key is released.
As an alternative embodiment of the utility model, the linear spring is of an annular structure formed by bending a strip-shaped elastomer, two ends of the linear spring are stopped in the shell, the abutting part is a horizontal straight section which is positioned at the middle part of the linear spring and extends for a certain length, and the bottom end of the key is kept in abutting contact with the abutting part.
As an alternative embodiment of the utility model, the shell comprises a shell back wall and a shell outer frame surrounding the shell back wall, the key opening is arranged on the shell outer frame, the inner side of the shell back wall is provided with a limit post, the linear spring is provided with a first horizontal section, and the first horizontal section is limited and abutted against the limit post.
As an alternative embodiment of the utility model, the limit post comprises a post body and a limit block protruding out of one side of the post body, wherein the post body is integrally formed, and the first horizontal section of the linear spring is provided with an arc section attached to the outer wall of the upper part of the post body and a bending section downwards bent from one end of the arc section to be abutted against the limit block.
As an alternative embodiment of the utility model, the casing outer frame comprises a top frame and a side frame positioned at one side of the top frame, the key opening is arranged on the top frame, the linear spring is provided with a first vertical section, the first vertical section is formed by bending and extending a first horizontal section towards the top frame, a first limiting block is arranged at one side of the key opening on the inner wall of the top frame, and the upper end of the first vertical section is stopped on the first limiting block.
As an alternative embodiment of the present utility model, the linear spring has a second horizontal section, the second horizontal section is formed by bending an upper end of the first vertical section toward an opening side of the key and horizontally extending, the second horizontal section has a horizontal concave section, and a horizontal straight section on the second horizontal section, which is located at one end of the horizontal concave section and corresponds to the bottom end of the key, is the abutting part.
As an alternative embodiment of the utility model, the key comprises an integrally formed key seat body and a key column body, the key seat body is arranged in the key opening in a limiting way, the top end of the key column body can leak out from the key opening, the key seat body is provided with a horizontal limiting wall and vertical limiting walls positioned at two ends of the horizontal limiting wall, and the horizontal concave section correspondingly avoids one of the vertical limiting walls.
As an alternative embodiment of the present utility model, the linear spring has a second vertical section, a vertical concave section, and a third vertical section, the upper end of the second vertical section is connected to the abutment, the lower end of the second vertical section is connected to the upper horizontal wall of the vertical concave section, the lower horizontal wall of the vertical concave section is connected to the upper end of the third vertical section, and the lower end of the third vertical section is stopped against the side frame.
As an alternative embodiment of the utility model, the length of the upper horizontal wall of the vertical concave section is shorter than the length of the lower horizontal wall.
As an alternative embodiment of the present utility model, the side frame is provided with a second limiting block, and the lower end of the third vertical section is abutted against the second limiting block.
Compared with the prior art, the utility model has the beneficial effects that:
according to the key fixing structure of the electronic word card, the key is not suitable for double-color injection molding any more, only hard glue is adopted, and when the key is installed, the key is propped against by matching with a linear spring, and the requirement of pressing and fixing is met by means of the elasticity of the linear spring. The key fixing structure of the electronic word card has the advantages of low cost, firm fixation, no virtual position when pressed, difficult key shaking, good key pressing hand feeling and improvement of user experience.
Description of the drawings:
FIG. 1 is a perspective view of an electronic word card of an embodiment of the present utility model;
FIG. 2 is an assembly diagram of a key fixing structure of an electronic word card according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a linear spring according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a key structure according to an embodiment of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1 to 4, a key fixing structure of an electronic word card of the present embodiment includes:
a housing 100 having key openings;
a key 200 installed in a key opening of the case 100, the top end of the key 200 being leaked out of the key opening;
a linear spring 300 fixedly installed in the housing 100, the linear spring 300 having an abutting portion 303B abutting against the bottom end of the key 200;
by pressing the key 200 downward, the key 200 presses the abutment portion 303B of the linear spring 300 to deform, thereby providing a restoring elastic force when the key 200 is released.
The key fixing structure of the electronic word card of the embodiment is not suitable for double-shot injection molding any more, only hard glue is adopted for the key 200, and when the key 200 is installed, the key 200 is propped against by matching with a linear spring 300, and the requirement of pressing and fixing is realized by means of the elasticity of the linear spring 300. The key fixing structure of the electronic word card of the embodiment is low in cost, firm in fixation, free of virtual positions when pressed, not prone to shaking of the key 200, good in pressing hand feeling of the key 200, and capable of improving user experience.
As an alternative implementation manner of this embodiment, in this embodiment, the key fixing structure of the electronic word card is a ring structure formed by bending a strip-shaped elastomer, two ends of the line-shaped spring 300 are stopped in the housing 100, the abutting portion 303B is a horizontal straight section extending a certain length in the middle of the line-shaped spring 300, and the bottom end of the key 200 is kept in abutting contact with the abutting portion 303B, so as to provide an elastic force for fixing the key 200, and when the key 200 is pressed, the deformation generates an elastic force for resetting the key 200.
Further, in the button fixing structure of the electronic word card of this embodiment, the housing 100 includes a housing rear wall 101 and a housing outer frame surrounding the housing rear wall 101, the button opening is formed on the housing outer frame, a limit post 400 is disposed on the inner side of the housing rear wall 101, the linear spring 300 has a first horizontal section 301, and the first horizontal section 301 is limited and abuts against the limit post 400.
Specifically, the limit post 400 includes an integrally formed cylindrical body 401 and a limit block 402 protruding from one side of the cylindrical body 401, and the first horizontal section 301 of the linear spring 300 has an arc section 301A attached to an outer wall of an upper portion of the cylindrical body 401 and a bending section 301B bent downward from one end of the arc section 301A to be abutted to the limit block 402.
Further, the casing outer frame includes a top frame 102 and a side frame 103 located at one side of the top frame 102, the key opening is formed on the top frame 102, the linear spring 300 has a first vertical section 302, the first vertical section 302 is formed by bending and extending a first horizontal section 301 towards the top frame 102, a first limiting block 500 is formed at one side of the key opening on the inner wall of the top frame 102, and the upper end of the first vertical section 302 is abutted to the first limiting block 500.
Further, the linear spring 300 has a second horizontal section, the second horizontal section is formed by bending an upper end of the first vertical section toward the opening side of the key and horizontally extending, the second horizontal section has a horizontal concave section 303A, and a horizontal straight section on the second horizontal section, which is located at one end of the horizontal concave section 303A and corresponds to the bottom end of the key 200, is the abutting portion 303B.
As an optional implementation manner of this embodiment, in the key fixing structure of the electronic word card of this embodiment, the key 200 includes an integrally formed key seat body and a key cylinder 201, the key seat body is limitedly installed in the key opening, the top end of the key cylinder 201 may leak out from the key opening, the key seat body has a horizontal limiting wall 202 and vertical limiting walls 203 located at two ends of the horizontal limiting wall 202, and the horizontal concave section 303A correspondingly avoids one of the vertical limiting walls 203. The design of the horizontal concave section 303A in this embodiment prevents the linear spring 300 from interfering with the key base body to affect the key pressing during the installation, and simultaneously installs the abutting portion 303B below the key cylinder 201 to abut against the key cylinder.
Further, in the button fixing structure of the electronic word card of this embodiment, the linear spring 300 has a second vertical section 304, a vertical concave section 305, and a third vertical section 306, the upper end of the second vertical section 304 is connected to the abutment portion 303B, the lower end of the second vertical section 304 is connected to the upper horizontal wall of the vertical concave section 305, the lower horizontal wall of the vertical concave section 305 is connected to the upper end of the third vertical section 306, and the lower end of the third vertical section 306 is stopped against the side frame 103.
Specifically, the length of the upper horizontal wall of the vertical concave section 305 is shorter than the length of the lower horizontal wall, so as to extend the third vertical section 306 to be close to the side frame 103 for limiting and abutting.
Further, in this embodiment, the side frame 103 is provided with a second stopper 600, and the lower end of the third vertical section 306 is turned into a 7-shaped section 307, and is stopped against the second stopper.
The linear spring 300 of this embodiment is of an annular structure, and is fixed by being engaged with a limit structure provided on the housing 100, which is simple, convenient, stable and reliable, and provides an elastic force for the key 200, so as to ensure the pressing feeling and elastic reset of the key 200.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.
Claims (10)
1. A key fixing structure of an electronic word card, comprising:
a housing having a key opening;
the key is arranged in the key opening of the shell, and the top end of the key leaks out from the key opening;
the linear spring is fixedly arranged in the shell and is provided with an abutting part which abuts against the bottom end of the key;
by pressing the key downwards, the key presses the abutting part of the linear spring to deform, and the elastic force for resetting is provided when the key is released.
2. The button fixing structure of an electronic word card according to claim 1, wherein the linear spring has a ring-shaped structure formed by bending a strip-shaped elastic body, two ends of the linear spring are stopped in the shell, the abutting part is a horizontal straight section extending for a certain length at the middle part of the linear spring, and the bottom end of the button is kept in abutting contact with the abutting part.
3. The button fixing structure of an electronic word card according to claim 2, wherein the housing comprises a housing rear wall and a housing outer frame surrounding the housing rear wall, the button opening is formed in the housing outer frame, a limit post is arranged on the inner side of the housing rear wall, the linear spring is provided with a first horizontal section, and the first horizontal section is limited and abutted against the limit post.
4. The button fixing structure of an electronic word card according to claim 3, wherein the limit post comprises an integrally formed cylindrical body and a limit block protruding from one side of the cylindrical body, and the first horizontal section of the linear spring is provided with an arc section attached to the outer wall of the upper part of the cylindrical body and a bending section downwards bent from one end of the arc section to be abutted against the limit block.
5. The button fixing structure of an electronic word card according to claim 3, wherein the housing outer frame comprises a top frame and a side frame located at one side of the top frame, the button opening is formed in the top frame, the linear spring is provided with a first vertical section, the first vertical section is formed by bending and extending a first horizontal section towards the top frame, a first limiting block is arranged on one side of the button opening on the inner wall of the top frame, and the upper end of the first vertical section is abutted against the first limiting block.
6. The button fixing structure of an electronic word card according to claim 5, wherein the linear spring has a second horizontal section, the second horizontal section is formed by bending an upper end of the first vertical section towards an opening side of the button and horizontally extending, the second horizontal section has a horizontal concave section, and a horizontal straight section on the second horizontal section, which is located at one end of the horizontal concave section and corresponds to the bottom end of the button, is the abutting part.
7. The button fixing structure of an electronic word card according to claim 6, wherein the button comprises an integrally formed button base body and a button column body, the button base body is arranged in the button opening in a limiting manner, the top end of the button column body can leak out from the button opening, the button base body is provided with a horizontal limiting wall and vertical limiting walls positioned at two ends of the horizontal limiting wall, and the horizontal concave section correspondingly avoids one of the vertical limiting walls.
8. The electronic word card key fixing structure according to claim 6, wherein the linear spring has a second vertical section, a vertical concave section and a third vertical section, an upper end of the second vertical section is connected to the abutting portion, a lower end of the second vertical section is connected to an upper horizontal wall of the vertical concave section, a lower horizontal wall of the vertical concave section is connected to an upper end of the third vertical section, and a lower end of the third vertical section is stopped against the side frame.
9. The key fixing structure of an electronic word card of claim 8, wherein the length of the upper horizontal wall of the vertical concave section is shorter than the length of the lower horizontal wall.
10. The button fixing structure of an electronic word card according to claim 8, wherein the side frame is provided with a second limiting block, and the lower end of the third vertical section is abutted against the second limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792406.2U CN219873243U (en) | 2023-04-11 | 2023-04-11 | Key fixing structure of electronic word card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792406.2U CN219873243U (en) | 2023-04-11 | 2023-04-11 | Key fixing structure of electronic word card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873243U true CN219873243U (en) | 2023-10-20 |
Family
ID=88332134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320792406.2U Active CN219873243U (en) | 2023-04-11 | 2023-04-11 | Key fixing structure of electronic word card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873243U (en) |
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2023
- 2023-04-11 CN CN202320792406.2U patent/CN219873243U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |