CN204572656U - A kind of four square keys - Google Patents
A kind of four square keys Download PDFInfo
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- CN204572656U CN204572656U CN201520211103.2U CN201520211103U CN204572656U CN 204572656 U CN204572656 U CN 204572656U CN 201520211103 U CN201520211103 U CN 201520211103U CN 204572656 U CN204572656 U CN 204572656U
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Abstract
The utility model relates to a kind of four square keys, comprise interconnective main paragraph and secondary segment, main paragraph comprises interconnective bevel section and transverse rod section, the both sides outer wall of bevel section is respectively equipped with supercharging layer and first time supercharging layer on first, the both sides outer wall of transverse rod section be respectively equipped be connected with supercharging layer on first and first time supercharging layer second on supercharging layer and second time supercharging layer, described bevel section outer wall takes the form of inclined plane, be configured with supercharging angle between bevel section and transverse rod section, the angle at supercharging angle is 20 °-25 °; Secondary segment is connected by stress section with transverse rod section, and the utility model substantially increases join strength and the connective stability of main paragraph and secondary segment by arranging stress section, ensure that secondary segment is not easy distortion or fracture by external force.
Description
Technical field
The utility model relates to a kind of four square keys.
Background technique
Four square keys comprise interconnective main paragraph and secondary segment, the current main paragraph of four square keys and the join strength of secondary segment and connective stability very poor, when secondary segment is by external force, easy distortion or fracture, and the resistance to compression of main paragraph, impact resistance and antitorque ability are also very poor, greatly reduce the working life of four square keys.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of simple and reasonable, four square keys that structural strength is large.
For achieving the above object, the utility model provides following technological scheme:
A kind of four square keys, it is characterized in that: comprise interconnective main paragraph and secondary segment, main paragraph comprises interconnective bevel section and transverse rod section, the both sides outer wall of bevel section is respectively equipped with supercharging layer and first time supercharging layer on first, the both sides outer wall of transverse rod section be respectively equipped be connected with supercharging layer on first and first time supercharging layer second on supercharging layer and second time supercharging layer, described bevel section outer wall takes the form of inclined plane, be configured with supercharging angle between bevel section and transverse rod section, the angle at supercharging angle is 20 °-25 °; Secondary segment is connected by stress section with transverse rod section, the lower outer section that stress section comprises the upper outer section that is connected with supercharging layer on second and is connected with second time supercharging layer, connected along section by interior between the section of Duan Yuxia outer, upper outer, in upper outer section and second, the curved shape in the joint of supercharging layer is the first stress arc, the radian of the first stress arc is 15 °-20 °, the curved shape in joint of lower outer section and second time supercharging layer is the second stress arc, and the radian of the second stress arc is equal with the radian of the first stress arc; The length of described secondary segment and the lenth ratio of stress section are 3.5-5.5.
The setting of supercharging layer and first time supercharging layer on first, adds the thickness of bevel section, improves the resistance to compression of bevel section, impact resistance and antitorque ability; The setting of supercharging layer and second time supercharging layer on second, adds transverse rod section thickness, improves the resistance to compression of transverse rod section, impact resistance and antitorque ability; To sum up, be connected with supercharging layer on second owing to increasing layer on first again, first time supercharging layer is connected with second time supercharging layer, improves the intensity of the compactedness of the entirety of main paragraph and the stability of structure and structure.
By the setting at supercharging angle, solve its internal force effect produced of bevel section, when the angle at supercharging angle is 20 °-25 °, transverse rod section can produce the internal force of auxiliary bevel section, bevel section is helped to offset external force, when the external force that bevel section is subject to is larger, the internal force that transverse rod section produces is larger, prevents bevel section by external force deformation or fracture.
The setting of Duan Jixia outer, upper outer section, improve structural strength and the structure stability of supercharging layer and second time supercharging layer on second respectively, by stress section and then the join strength and the connective stability that improve transverse rod section and secondary segment, when secondary segment is by external force, stress section can produce internal force and help secondary segment to offset external force, and transverse rod section also can produce the internal force helping secondary segment to offset external force, substantially increases the anti-pressure ability of secondary segment, and then improves the working life of this product.
When the radian of the first stress arc is 15 °-20 °, because the radian of the second stress arc is equal with the radian of the first stress arc, therefore the outer wall of stress section also curved, be also 15 °-20 °, substantially increased join strength and the connective stability of main paragraph and secondary segment by this arc shaped surface.And when the radian of the first stress arc and the second stress arc is 15 °-20 °, the anti-pressure ability of Duan Jixia outer, upper outer section is best, if when the external force that on second, supercharging layer or second time supercharging layer are subject to is larger, upper outer section or lower along section produce internal force more larger, ensure that the structure stability of main paragraph.
When the length of secondary segment and the lenth ratio of stress section are 3.5-5.5, the join strength of the anti-pressure ability of secondary segment best and secondary segment and main paragraph and connective stability the best; The internal force best results that stress section produces.
Further, supercharging layer is equal with the thickness of first time supercharging layer on described first.
Contrast the deficiencies in the prior art, the beneficial effect that the technical solution of the utility model is brought:
Four square keys of the application, by arranging supercharging layer and first time supercharging layer on first, on second, supercharging layer and second time supercharging layer substantially increase the stability of the structure of main paragraph and the intensity of structure.Substantially increasing join strength and the connective stability of main paragraph and secondary segment by arranging stress section, ensure that secondary segment is not easy distortion or fracture by external force.
Limit the angle at supercharging angle, ensure that transverse rod section can produce the internal force of auxiliary bevel section, help bevel section to offset external force, when the external force that bevel section is subject to is larger, the internal force that transverse rod section produces is larger, prevents bevel section by external force deformation or fracture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1: a kind of four square keys, comprise interconnective main paragraph 1 and secondary segment 3, main paragraph 1 comprises interconnective bevel section 11 and transverse rod section 12, the both sides outer wall of bevel section 11 is respectively equipped with supercharging layer 111 and first time supercharging layer 112 on first, the both sides outer wall of transverse rod section 12 be respectively equipped be connected with supercharging layer on first 111 and first time supercharging layer 112 second on supercharging layer 121 and second time supercharging layer 122, described bevel section 11 outer wall takes the form of inclined plane, be configured with supercharging angle 4 between bevel section 11 and transverse rod section 12, the angle at supercharging angle 4 is 20 °-25 °, secondary segment 3 is connected by stress section 3 with transverse rod section 12, the lower outer section 32 that stress section 3 comprises the upper outer section 31 that is connected with supercharging layer 121 on second and is connected with second time supercharging layer 122, be connected along section 33 by interior between upper outer section 31 with lower outer section 32, in upper outer section 31 and second, the curved shape in joint of supercharging layer 121 is the first stress arc 310, the radian of the first stress arc 310 is 15 °-20 °, the curved shape in joint of lower outer section 32 and second time supercharging layer 122 is the second stress arc 320, the radian of the second stress arc 320 is equal with the radian of the first stress arc 310, the length of described secondary segment 3 and the lenth ratio of stress section 3 are 3.5-5.5.
On first, the setting of supercharging layer 111 and first time supercharging layer 112, adds the thickness of bevel section 11, improves the resistance to compression of bevel section 11, impact resistance and antitorque ability; The setting of supercharging layer 121 and second time supercharging layer 122 on second, adds transverse rod section 12 thickness, improves the resistance to compression of transverse rod section 12, impact resistance and antitorque ability; To sum up, be connected with supercharging layer 121 on second owing to increasing layer on first again, first time supercharging layer 112 is connected with second time supercharging layer 122, improves the intensity of the compactedness of the entirety of main paragraph 1 and the stability of structure and structure.
By the setting at supercharging angle 4, solve its internal force effect produced of bevel section 11, when the angle at supercharging angle 4 is 20 °-25 °, transverse rod section 12 can produce the internal force of auxiliary bevel section 11, bevel section 11 is helped to offset external force, when the external force that bevel section 11 is subject to is larger, the internal force that transverse rod section 12 produces is larger, prevents bevel section 11 by external force deformation or fracture.
The setting of upper outer section 31 and lower outer section 32, improve structural strength and the structure stability of supercharging layer 121 and second time supercharging layer 122 on second respectively, by stress section 3 and then the join strength and the connective stability that improve transverse rod section 12 and secondary segment 3, when secondary segment 3 is by external force, stress section 3 can produce internal force and help secondary segment 3 to offset external force, and transverse rod section 12 also can produce the internal force helping secondary segment 3 to offset external force, substantially increase the anti-pressure ability of secondary segment 3, and then improve the working life of this product.
When the radian of the first stress arc 310 is 15 °-20 °, because the radian of the second stress arc 320 is equal with the radian of the first stress arc 310, therefore the outer wall of stress section 3 also curved, also be 15 °-20 °, substantially increased join strength and the connective stability of main paragraph 1 and secondary segment 3 by this arc shaped surface.And when the radian of the first stress arc 310 and the second stress arc 320 is 15 °-20 °, the anti-pressure ability of upper outer section 31 and lower outer section 32 is best, if when the external force that on second, supercharging layer 121 or second time supercharging layer 122 are subject to is larger, upper outer section 31 or lower along section produce internal force more larger, ensure that the structure stability of main paragraph 1.
When the length of secondary segment 3 and the lenth ratio of stress section 3 are 3.5-5.5, join strength and the connective stability of the best and secondary segment 3 of the anti-pressure ability of secondary segment 3 and main paragraph 1 are best; The internal force best results that stress section 3 produces.
If when the lenth ratio of the length of secondary segment 3 and stress section 3 is greater than 3.5-5.5, secondary segment 3 is long, and the arm of force is increased, and the probability affected by external force increases, and the load of stress section 3 is increased, reduces the effect that stress section 3 produces internal force.
If when the lenth ratio of the length of secondary segment 3 and stress section 3 is less than 3.5-5.5, stress section 3 is long, makes the first stress arc 310 and the second stress protect elongated, improves the cost of processing technology, do not meet the market demand.
On first, supercharging layer 111 is equal with the thickness of first time supercharging layer 112.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (2)
1. a square key, it is characterized in that: comprise interconnective main paragraph and secondary segment, main paragraph comprises interconnective bevel section and transverse rod section, the both sides outer wall of bevel section is respectively equipped with supercharging layer and first time supercharging layer on first, the both sides outer wall of transverse rod section be respectively equipped be connected with supercharging layer on first and first time supercharging layer second on supercharging layer and second time supercharging layer, described bevel section outer wall takes the form of inclined plane, be configured with supercharging angle between bevel section and transverse rod section, the angle at supercharging angle is 20 °-25 °; Secondary segment is connected by stress section with transverse rod section, the lower outer section that stress section comprises the upper outer section that is connected with supercharging layer on second and is connected with second time supercharging layer, connected along section by interior between the section of Duan Yuxia outer, upper outer, in upper outer section and second, the curved shape in the joint of supercharging layer is the first stress arc, the radian of the first stress arc is 15 °-20 °, the curved shape in joint of lower outer section and second time supercharging layer is the second stress arc, and the radian of the second stress arc is equal with the radian of the first stress arc; The length of described secondary segment and the lenth ratio of stress section are 3.5-5.5.
2. a kind of four square keys according to claim 1, is characterized in that: on described first, supercharging layer is equal with the thickness of first time supercharging layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211103.2U CN204572656U (en) | 2015-04-09 | 2015-04-09 | A kind of four square keys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211103.2U CN204572656U (en) | 2015-04-09 | 2015-04-09 | A kind of four square keys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572656U true CN204572656U (en) | 2015-08-19 |
Family
ID=53865300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520211103.2U Expired - Fee Related CN204572656U (en) | 2015-04-09 | 2015-04-09 | A kind of four square keys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572656U (en) |
-
2015
- 2015-04-09 CN CN201520211103.2U patent/CN204572656U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317600 12A (Chengguan white rock), Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Binhai auto parts Limited by Share Ltd Address before: 317600 Yuhuan County Mechatronics Industrial Park, Taizhou, Zhejiang Province, 12A Patentee before: Strand, Zhejiang auto parts and components Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20210409 |