CN216940309U - Metal shaft sleeve fastener structure - Google Patents
Metal shaft sleeve fastener structure Download PDFInfo
- Publication number
- CN216940309U CN216940309U CN202220524581.9U CN202220524581U CN216940309U CN 216940309 U CN216940309 U CN 216940309U CN 202220524581 U CN202220524581 U CN 202220524581U CN 216940309 U CN216940309 U CN 216940309U
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- Prior art keywords
- screw rod
- base
- fastening
- fastener structure
- fixedly connected
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- 239000002184 metal Substances 0.000 title claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Abstract
The utility model relates to the field of fastening of metal shaft sleeves, in particular to a fastener structure of a metal shaft sleeve. This kind of metal axle sleeve fastener structure, cooperation through two slide bars and screw rod, make two interior fastening framves can be in two fastening shells nimble spacing of regulation, in order to adapt to the external diameter of different metal axle sleeves, carry out stable centre gripping to it, simultaneously interior fastening frame can be according to the radian deformation of metal axle sleeve outer wall, to its more stable centre gripping, simple structure and practicality are higher, through rotatory screw rod, can drive two interior fastening frames to the centre gripping of metal axle sleeve, and the operation is thus simple, simultaneously under the cooperation of a plurality of supporting spring and interior fastening frame, make the transmission shaft in the metal axle sleeve of centre gripping when rotatory, play the stable effect of shock attenuation, pass through the spout at first base and second base simultaneously, zonulae occludens is in the same place, improve support stability.
Description
Technical Field
The utility model relates to the field of fastening of metal shaft sleeves, in particular to a fastening piece structure of a metal shaft sleeve.
Background
The transmission shaft is a rotating body with high rotating speed and less support, so the dynamic balance of the transmission shaft is crucial. The transmission shaft is generally subjected to dynamic balance test before leaving a factory and is adjusted on a balancing machine, a fastener is also called a standard part in the market, is a general name of a mechanical part used when two or more parts are fastened and connected into a whole, and is characterized by various varieties and specifications, the part is a mechanical basic part which is most widely applied, and the demand is large.
The following problems in the prior art are not well solved: 1. the inner diameter of the existing metal shaft sleeve fastener structure is a fixed value, and when the size is smaller than or larger than the inner diameter of the fastener, the standard fastener cannot be applied, so that the practicability is low; 2. and metal shaft sleeve fastener structure needs a plurality of bolts to connect, and the installation procedure is comparatively loaded down with trivial details, and current transmission shaft is poor in driven in-process stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a metal shaft sleeve fastener structure, which aims to solve the problems that a standard fastener cannot be applied and the installation steps are complicated when the size is smaller than or larger than the inner diameter of the fastener, and the stability of the conventional transmission shaft is poor in the transmission process. In order to achieve the purpose, the utility model provides the following technical scheme: a metal shaft sleeve fastener structure comprises a first base, wherein a sliding groove is formed in one side of the top of the first base, the top of the sliding groove is connected with a second base in a sliding mode, the top of the second base is fixedly connected with a protection seat and a limiting seat, a screw rod is movably inserted into the protection seat and the limiting seat, and an embedding groove is formed in one side of the protection seat;
the top of first base and second base is equal fixedly connected with support frame, and the top fixedly connected with fastening shell of support frame, and fastening shell internalization alternate have a slide bar, two the equal screw of slide bar cup joints on the screw rod, and the equal fixedly connected with center support shoe of the other end of two slide bars, two fastening frame in the equal fixedly connected with of one side that the center support shoe is relative, and the outer wall of two interior fastening frames all is through supporting spring and fastening shell's inner wall fixed connection.
Preferably, the bottom of the second base is provided with a clamping groove matched with the side of the first base, and the bottom of the clamping groove is provided with a sliding block matched with the sliding groove.
Preferably, a through hole penetrating to the other side is formed in one side of the support frame, and the screw rod is movably inserted into the through hole.
Preferably, two sides of the outer wall of the screw rod are respectively provided with symmetrical threads taking the central line of the front surface of the limiting seat as an axis, and the two sliding rods are sleeved on the screw rod by taking the central line of the front surface of the limiting seat as an axisymmetric thread.
Preferably, one end of the screw rod is provided with a screwdriver blade, the end of the screw rod provided with the screwdriver blade is movably embedded in the embedding groove, and one end of the screw rod is positioned on the same vertical plane with the side of the protection seat.
Preferably, the number of the supporting springs is not less than four, and the inner fastening frame is made of rubber pads.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the matching of the two sliding rods and the screw rods, the distance between the two inner fastening frames in the two fastening shells can be flexibly adjusted to adapt to the outer diameters of different metal shaft sleeves to stably clamp the metal shaft sleeves, and meanwhile, the inner fastening frames can deform according to the radian of the outer walls of the metal shaft sleeves to more stably clamp the metal shaft sleeves, so that the structure is simple and the practicability is higher.
According to the utility model, the two inner fastening frames can be driven to clamp the metal shaft sleeve by rotating the screw rod, the operation is simple, meanwhile, under the matching of the plurality of supporting springs and the inner fastening frames, the transmission shaft in the clamped metal shaft sleeve plays a role in damping and stabilizing when rotating, and meanwhile, the first base and the second base are tightly connected together through the sliding groove, so that the supporting stability is further improved.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a top view of a first base of the structure of the present invention;
fig. 3 is a side view of a structural protector of the utility model.
In the figure: 1. a first base; 2. a chute; 3. a second base; 4. a protective seat; 5. a limiting seat; 6. a screw; 7. embedding a sleeve groove; 8. a support frame; 9. fastening the shell; 10. a slide bar; 11. a central support block; 12. an inner fastening frame; 13. supporting the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a metal shaft sleeve fastener structure comprises a first base 1, wherein a sliding groove 2 is formed in one side of the top of the first base 1, the top of the sliding groove 2 is connected with a second base 3 in a sliding mode, the top of the second base 3 is fixedly connected with a protection seat 4 and a limiting seat 5, a screw 6 is movably inserted in the protection seat 4 and the limiting seat 5 in a penetrating mode, and an embedding groove 7 is formed in one side of the protection seat 4;
the equal fixedly connected with support frame 8 in top of first base 1 and second base 3, and the top fixedly connected with fastening shell 9 of support frame 8, and fastening shell 9 internalization alternate insertion has slide bar 10, two equal screw threads of slide bar 10 cup joint on screw rod 6, and the equal fixedly connected with central supporting shoe 11 of the other end of two slide bar 10, fastening frame 12 in the equal fixedly connected with in one side that two central supporting shoe 11 are relative, and the inner wall fixed connection of supporting spring 13 and fastening shell 9 is all passed through to the outer wall of two interior fastening frame 12.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, a clamping groove matched with the side of the first base 1 is formed at the bottom of the second base 3, and a sliding block matched with the sliding groove 2 is formed at the bottom of the clamping groove.
In this embodiment, as shown in fig. 1, 2 and 3, a through hole penetrating through one side of the supporting frame 8 to the other side is formed, and the screw 6 is movably inserted into the through hole.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the symmetrical screw thread that uses the positive central line of spacing seat 5 as the axle is seted up respectively to the both sides of screw rod 6 outer wall, two slide bars 10 use the positive central line of spacing seat 5 to cup joint on screw rod 6 as the axisymmetric screw thread, cooperation through two slide bars 10 and screw rod 6, make two interior fastening frame 12 can be in two nimble spacing of adjusting in fastening shell 9, in order to adapt to the external diameter of different metal axle sleeves, carry out stable centre gripping to it, interior fastening frame 12 can be according to the radian deformation of metal axle sleeve outer wall simultaneously, to its more stable centre gripping, simple structure and practicality are higher.
In this embodiment, as shown in fig. 1, fig. 2, and fig. 3, one end of the screw rod 6 is provided with a screwdriver edge, and the end of the screw rod 6 provided with the screwdriver edge is movably embedded in the embedding groove 7, and one end of the screw rod 6 is in the same vertical plane with the side of the protection seat 4, so that the protection seat 4 can protect the end of the screw rod 6 and prevent the screw rod 6 from rotating by an external force.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the quantity of supporting spring 13 is no less than four, the material of interior fastening frame 12 is the rubber pad, through rotatory screw 6, can drive two interior fastening frames 12 to the centre gripping of metal axle sleeve, and easy operation, simultaneously under the cooperation of a plurality of supporting spring 13 and interior fastening frame 12, make the transmission shaft in the metal axle sleeve of centre gripping when rotatory, play the stable effect of shock attenuation, pass through spout 2 at first base 1 and second base 3 simultaneously, zonulae occludens is in the same place, further improve support stability.
The use method and the advantages of the utility model are as follows: when the metal shaft sleeve fastener structure is used, the working process is as follows:
as shown in fig. 1, fig. 2 and fig. 3, at first, the metal shaft sleeve to be clamped is placed on the side opposite to the inner walls of the two inner fastening frames 12, tools such as a straight screwdriver are used, the screw rod 6 is rotated, the two slide rods 10 are under the transverse limitation of the two fastening shells 9, along with the rotation of the screw rod 6, the front central line of the limiting seat 5 is taken as the axial symmetry transverse movement, so as to adapt to the outer diameters of different metal shaft sleeves, the metal shaft sleeves are stably clamped, meanwhile, the inner fastening frames 12 can deform according to the radian of the outer walls of the metal shaft sleeves, the clamping is more stable, the structure is simple, the practicability is higher, when a transmission shaft in the metal shaft sleeve rotates, the supporting spring 13 and the inner fastening frames 12 play a role in damping and stabilizing, and meanwhile, the first base 1 and the second base 3 are tightly connected together through the sliding grooves 2, so that the supporting stability is further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a metal axle sleeve fastener structure, includes first base (1), its characterized in that: a sliding groove (2) is formed in one side of the top of the first base (1), the top of the sliding groove (2) is connected with a second base (3) in a sliding mode, the top of the second base (3) is fixedly connected with a protection seat (4) and a limiting seat (5), a screw rod (6) is movably inserted into the protection seat (4) and the limiting seat (5), and an embedding groove (7) is formed in one side of the protection seat (4);
the screw rod fixing device is characterized in that a support frame (8) is fixedly connected to the top of the first base (1) and the top of the second base (3), a fastening shell (9) is fixedly connected to the top of the support frame (8), slide rods (10) are movably inserted into the fastening shell (9), the two slide rods (10) are sleeved on the screw rod (6) in a threaded manner, a central supporting block (11) is fixedly connected to the other ends of the two slide rods (10), an inner fastening frame (12) is fixedly connected to one side, opposite to the central supporting block (11), of the central supporting block, and the outer walls of the two inner fastening frames (12) are fixedly connected with the inner wall of the fastening shell (9) through supporting springs (13).
2. A metal bushing fastener structure according to claim 1, wherein: the bottom of second base (3) is seted up with first base (1) avris matched with joint groove, and the bottom in joint groove sets up with spout (2) matched with slider.
3. A metal bushing fastener structure according to claim 1, wherein: a through hole penetrating to the other side is formed in one side of the supporting frame (8), and the screw rod (6) is movably inserted into the through hole.
4. A metal bushing fastener structure according to claim 1, wherein: two sides of the outer wall of the screw rod (6) are respectively provided with symmetrical threads taking the central line of the front surface of the limiting seat (5) as an axis, and the two sliding rods (10) are sleeved on the screw rod (6) taking the central line of the front surface of the limiting seat (5) as the axisymmetric threads.
5. A metal bushing fastener structure according to claim 1, wherein: the screwdriver edge is arranged at one end of the screw rod (6), the end, provided with the screwdriver edge, of the screw rod (6) is movably embedded in the embedding groove (7), and one end of the screw rod (6) is positioned on the same vertical plane with the side of the protection seat (4).
6. A metal bushing fastener structure according to claim 1, wherein: the number of the supporting springs (13) is not less than four, and the inner fastening frame (12) is made of rubber pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220524581.9U CN216940309U (en) | 2022-03-10 | 2022-03-10 | Metal shaft sleeve fastener structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220524581.9U CN216940309U (en) | 2022-03-10 | 2022-03-10 | Metal shaft sleeve fastener structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216940309U true CN216940309U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220524581.9U Active CN216940309U (en) | 2022-03-10 | 2022-03-10 | Metal shaft sleeve fastener structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216940309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119927820A (en) * | 2024-12-20 | 2025-05-06 | 江苏理研科技股份有限公司 | A 3D printing fixture |
-
2022
- 2022-03-10 CN CN202220524581.9U patent/CN216940309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119927820A (en) * | 2024-12-20 | 2025-05-06 | 江苏理研科技股份有限公司 | A 3D printing fixture |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 101, Building 1, No. 44, Xinhe Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Honglixing Technology Co.,Ltd. Address before: 501-1, No. 3, Baozhi Industrial Road, hengkenghedong village, Guancheng community, Guanhu street, Longhua District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen honglixing Precision Hardware Co.,Ltd. |
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| CP03 | Change of name, title or address |