CN211550315U - Concatenation formula parallel key convenient to change length - Google Patents
Concatenation formula parallel key convenient to change length Download PDFInfo
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- CN211550315U CN211550315U CN201922125252.8U CN201922125252U CN211550315U CN 211550315 U CN211550315 U CN 211550315U CN 201922125252 U CN201922125252 U CN 201922125252U CN 211550315 U CN211550315 U CN 211550315U
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- key body
- flat key
- slot
- parallel key
- rotatory
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Abstract
The utility model discloses a concatenation formula parallel key convenient to change length, including the parallel key body, parallel key body right side surface center department is fixed has seted up spacing slot, parallel key body right side fixed surface has seted up rotatory slot, and rotatory slot installs a pair ofly about the spacing slot axis symmetric distribution in parallel key body right side surface, parallel key body left side surface center fixed mounting has spacing inserted bar, parallel key body left side fixed surface installs rotatory inserted bar. This concatenation formula parallel key convenient to change length through can assemble structural design with the parallel key body setting, can pass through the increase of parallel key body, thereby realize the regulation to parallel key body working length, through be provided with the connecting piece in the parallel key body outside, can agree with the installation with the connecting piece, thereby realize the regulation to parallel key body working width, through being provided with spacing inserted bar, spacing slot, rotatory inserted bar and rotatory slot, thereby realize the preliminary fixed and multiple fixed of parallel key body.
Description
Technical Field
The utility model relates to a flat key technical field specifically is a concatenation formula flat key convenient to change length.
Background
The flat key is a key which transfers torque by means of the extrusion of two side surfaces as working surfaces and by means of the side surfaces of the key and the key groove, and is divided into a common flat key, a thin flat key and a guide flat key, wherein the common flat key has good centering property, high positioning precision and convenient folding and assembly, but cannot realize the axial fixation of parts on a shaft and is used for the shaft with high speed or bearing impact and variable load; the thin flat key is used for a thin-wall structure and a place with smaller transmission torque; the guiding flat key is fixed on the shaft by a screw and is used for occasions that the movement amount of parts on the shaft along the shaft is not large.
However, the existing flat key is usually designed into an integrated structure, and the length or the width of the flat key body cannot be changed, so that the working requirement of the current society cannot be met, the working efficiency is greatly reduced, and the use efficiency is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concatenation formula parallel key convenient to change length to propose current parallel key in solving above-mentioned background art, generally for the structural design of integration, can't change the length or the width of parallel key body, thereby can't satisfy current social work demand, thereby greatly reduced work efficiency, thereby increase the problem of availability factor.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concatenation formula parallel key convenient to change length, includes the parallel key body, parallel key body right side surface center department is fixed has seted up spacing slot, parallel key body right side fixed surface has seted up rotatory slot, and rotatory slot installs a pair ofly about the spacing slot axis symmetric distribution of parallel key body right side surface, parallel key body left side surface central point fixed mounting has spacing inserted bar, parallel key body left side fixed surface installs rotatory inserted bar.
Preferably, the rotatory inserted bar is installed a pair ofly about the spacing inserted bar axis symmetric distribution of flat key body left side fixed mounting surface, the rotatory inserted bar is whole to be type "L" type structure, the constant head tank has been seted up to rotatory inserted bar horizontal pole inside wall is fixed, and constant head tank length specification size and rotatory inserted bar horizontal pole specification and dimension looks adaptation.
Preferably, the rotary slot is integrally of an L-like structure, a positioning block is fixedly mounted on the wall of the transverse slot of the rotary slot, the specification and the size of the positioning block are matched with those of the positioning slot, the specification and the size of the rotary slot are matched with those of the rotary inserted rod, and the width and the size of the transverse slot of the rotary slot are matched with those of the transverse rod of the rotary inserted rod.
Preferably, the front side of the flat key body is movably provided with a connecting piece, the connecting piece is symmetrically distributed and installed about the vertical center line of the flat key body, the front side surface of the connecting piece is fixedly provided with a connecting rod, the connecting rod is symmetrically distributed and installed about the vertical center line of the connecting piece, four connecting holes are fixedly formed in the front side surface of the flat key body, and the hole wall of each connecting hole is provided with a working hole.
Preferably, the outer surface of the connecting piece is fixedly provided with a working groove, the bottom of the working groove is fixedly provided with a spring, the other end of the spring is fixedly connected with a working bead, and the specification and the size of the working bead are matched with those of the working hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the splicing type flat key convenient for changing the length, the flat key body is provided with the splicing structural design, so that when the flat key body needs to be increased, the increase of the flat key body is realized conveniently through the mutual matching of the limiting insertion rod and the limiting insertion slot, and the adjustment of the working length of the flat key body is realized;
2. according to the splicing type flat key convenient for changing the length, the connecting piece is arranged on the outer side of the flat key body, so that the connecting piece can be installed on the outer side of the flat key body in a fitting manner according to the requirement of the situation, and the working width of the flat key body can be adjusted;
3. this concatenation formula parallel key convenient to change length through being provided with spacing inserted bar, spacing slot, rotatory inserted bar and rotatory slot to realize the preliminary fixed and multiple fixed of a pair of parallel key body, thereby strengthen parallel key body firm in connection nature greatly.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a left side view schematic diagram of the flat key body of the present invention;
fig. 4 is a right view structural schematic diagram of the flat key body of the present invention;
FIG. 5 is a schematic view of the installation structure of the rotary inserted link of the present invention;
fig. 6 is the schematic view of the internal structure of the connecting rod of the present invention.
In the figure: 1. a flat key body; 2. limiting slots; 3. rotating the slot; 4. a limiting inserted rod; 5. rotating the inserted rod; 6. positioning a groove; 7. positioning blocks; 8. a connecting member; 9. a connecting rod; 10. connecting holes; 11. a working hole; 12. a working groove; 13. a spring; 14. and (4) working beads.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a concatenation formula parallel key convenient to change length, includes parallel key body 1, and 1 right side surface center department of parallel key body is fixed has seted up spacing slot 2, and 1 right side fixed surface of parallel key body has seted up rotary slot 3, and rotary slot 3 installs a pair ofly about the spacing slot 2 axis symmetric distribution in 1 right side surface of parallel key body, and 1 left side surface center point fixed mounting of parallel key body has spacing inserted bar 4, and 1 left side fixed surface of parallel key body installs rotary inserted bar 5.
Further, rotatory inserted bar 5 installs a pair ofly about the 4 axis symmetric distributions in the spacing inserted bar in the 1 left side fixed mounting surface of parallel key body, and rotatory inserted bar 5 is whole to be type "L" type structure, and 5 horizontal pole inside walls of rotatory inserted bar are fixed and have been seted up constant head tank 6, and constant head tank 6 length specification size and 5 horizontal pole specification size looks adaptations of rotatory inserted bar, thereby can rotate 5 rotations of rotatory inserted bar and realize the connection work to parallel key body 1.
Further, rotatory slot 3 wholly is type "L" type structure, 3 transverse groove cell wall fixed mounting of rotatory slot has locating piece 7, and 7 specification and size of locating piece and 6 specification and size looks adaptations of constant head tank, 3 specification and size of rotatory slot and 5 specification and size looks adaptations of rotatory inserted bar, 3 transverse groove width of rotatory slot and 5 transverse bar width looks adaptations of rotatory inserted bar, thereby realize 5 zonulae occludens of rotatory slot 3 of rotatory inserted bar through locating piece 7 and 6 mutually supporting of constant head tank.
Further, 1 front side movable mounting of flat key body has connecting piece 8, connecting piece 8 installs a pair ofly about the perpendicular central line symmetric distribution of flat key body 1, 8 front side fixed mounting of connecting piece have connecting rod 9, and connecting rod 9 installs four about the perpendicular central line symmetric distribution of connecting piece 8, connecting hole 10 has been seted up to the fixed side surface of flat key body 1 front side, and connecting hole 10 pore wall has seted up working hole 11, thereby can cooperate the realization to the work of assembling of flat key body 1 through connecting rod 9 and connecting hole 10.
Further, work groove 12 has been seted up to 8 external surface fixings of connecting piece, and work groove 12 tank bottom fixed mounting has spring 13, and spring 13 other end fixedly connected with work pearl 14, and 14 specification and dimension of work pearl and 11 specification and dimension looks adaptations of working hole can realize the convenient dismantlement work of connecting piece 8 through extrusion work pearl 14.
The working principle is as follows: when the splicing type flat key convenient for changing the length is required to work, firstly, the length and the width of a required flat key body 1 are determined according to working conditions and working environments, the flat key body 1 is spliced according to the length and the width of the required flat key body 1, a pair of flat key bodies 1 are horizontally placed left and right, a limit slot 2 fixedly arranged at the right end of the flat key body 1 and a limit inserted rod 4 fixedly arranged at the left end of the flat key body 1 are ensured to be positioned on the same central axis, meanwhile, a rotary slot 3 fixedly arranged at the right end of the flat key body 1 and a rotary inserted rod 5 fixedly arranged at the left end of the flat key body 1 are ensured to be positioned on the same central axis, then, the pair of flat key bodies 1 are moved oppositely until the limit inserted rod 4 is deeply inserted into the limit slot 2, the rotary inserted rod 5 is deeply inserted into the rotary slot 3 until the rotary inserted rod 5 reaches a limit position, at the moment, the pair of flat key bodies 1 are rotated in the opposite direction until the rotary inserted rod, continuing to rotate a pair of parallel key body 1 immediately, rotatory inserted bar 5 crosses locating piece 7 and agrees with the block until locating piece 6, spacing inserted bar 4 rotates to extreme position in spacing slot 2 this moment, thereby realize firmly fixing a pair of parallel key body 1, thereby realize the length adjustment to parallel key body 1, guarantee to be in same axis with parallel key body 1 immediately, promote connecting piece 8 and insert connecting hole 10 until connecting rod 9 is dark, until work pearl 14 and work hole 11 locate at same axis, thereby spring 13 pushes up work pearl 14 into work hole 11 this moment and realizes the zonulae occludens of parallel key body 1 and connecting piece 8, thereby realize the width adjustment to parallel key body 1.
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.
Claims (5)
1. The utility model provides a concatenation formula flat key convenient to change length, includes the flat key body, its characterized in that: the flat key body right side surface center department is fixed has seted up spacing slot, flat key body right side fixed surface has seted up rotatory slot, and rotatory slot installs a pair ofly about the spacing slot axis symmetric distribution in flat key body right side surface, flat key body left side surface central point fixed mounting has spacing inserted bar, flat key body left side fixed surface installs rotatory inserted bar.
2. A split flat key to facilitate changing lengths as claimed in claim 1 wherein: rotatory inserted bar installs a pair ofly about the spacing inserted bar axis symmetric distribution of flat key body left side fixed mounting surface, rotatory inserted bar is whole to be type "L" type structure, the constant head tank has been seted up to rotatory inserted bar horizontal pole inside wall is fixed, and constant head tank length specification size and rotatory inserted bar horizontal pole specification size looks adaptation.
3. A split flat key to facilitate changing lengths as claimed in claim 2 wherein: the rotary slot is integrally of an L-shaped structure, a positioning block is fixedly mounted on the wall of the transverse slot of the rotary slot, the specification and the size of the positioning block are matched with those of the positioning groove, the specification and the size of the rotary slot are matched with those of the rotary inserted rod, and the width and the size of the transverse slot of the rotary slot are matched with those of the transverse rod of the rotary inserted rod.
4. A split flat key to facilitate changing lengths as claimed in claim 1 wherein: the connecting piece is movably installed on the front side of the flat key body, the connecting piece is installed in a pair about the vertical center line of the flat key body in a symmetrical distribution mode, the front side surface of the connecting piece is fixedly installed with four connecting rods, the front side surface of the flat key body is fixedly provided with connecting holes, and the hole wall of each connecting hole is provided with a working hole.
5. A split flat key to facilitate changing lengths as claimed in claim 4 wherein: the connecting piece external surface is fixed and has been seted up the work groove, work groove tank bottom fixed mounting has the spring, spring other end fixedly connected with work pearl, and work pearl specification and size and work hole specification and size looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125252.8U CN211550315U (en) | 2019-12-02 | 2019-12-02 | Concatenation formula parallel key convenient to change length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125252.8U CN211550315U (en) | 2019-12-02 | 2019-12-02 | Concatenation formula parallel key convenient to change length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550315U true CN211550315U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922125252.8U Expired - Fee Related CN211550315U (en) | 2019-12-02 | 2019-12-02 | Concatenation formula parallel key convenient to change length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357276A (en) * | 2021-06-30 | 2021-09-07 | 厦门众力达机械有限公司 | Key-connected transmission shaft structure |
-
2019
- 2019-12-02 CN CN201922125252.8U patent/CN211550315U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357276A (en) * | 2021-06-30 | 2021-09-07 | 厦门众力达机械有限公司 | Key-connected transmission shaft structure |
| CN113357276B (en) * | 2021-06-30 | 2022-07-22 | 厦门众力达机械有限公司 | Key-connected transmission shaft structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200922 Termination date: 20211202 |