CN210364153U - Braking device for limiting rotation of shaft in bearing - Google Patents
Braking device for limiting rotation of shaft in bearing Download PDFInfo
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- CN210364153U CN210364153U CN201920568841.0U CN201920568841U CN210364153U CN 210364153 U CN210364153 U CN 210364153U CN 201920568841 U CN201920568841 U CN 201920568841U CN 210364153 U CN210364153 U CN 210364153U
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- ball
- lock body
- push rod
- electric push
- ball support
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Abstract
The utility model discloses a arresting gear for limiting axle at bearing internal rotation relates to the arresting gear field. A brake device for limiting rotation of a shaft within a bearing comprising: the electric push rod, the pull rope, the lock body, the ball support, the torsion spring, the spring and the power supply; the electric push rod is electrically connected with a power supply, and the power supply can provide electric energy for the electric push rod; the ball support is provided with a ball hole, and the ball is embedded in the ball hole; the electric push rod is connected with the ball support through a pull rope and can push the ball support to rotate anticlockwise in the lock body, so that the balls are clamped between the steering tube and the lock body, and the steering tube is limited to rotate; the spring is sleeved on the inhaul cable, and the first end of the spring is propped against the second end of the inhaul cable and is propped against the ball support. The faucet lock of the technical scheme has the advantages that through the design of the electric push rod, the faucet lock is simple, rapid and convenient to lock, and electric locking can be achieved.
Description
Technical Field
The utility model relates to a arresting gear field especially relates to a arresting gear for limiting axle at bearing internal rotation.
Background
The shaft is a commonly used part in the mechanical field, is usually used with a bearing, is used as a transmission part, can continuously rotate due to inertia after equipment stops working, and cannot be stopped immediately, but the shaft in some occasions needs to be braked after the equipment stops working, such as a steering column of a bicycle, and a tap lock is usually needed to brake, so that an anti-theft effect is achieved.
The faucet lock structure of the electric bicycle, as disclosed in the chinese utility model patent CN 208731118U, comprises a lock body and a lock cylinder, wherein the lock body is wrapped outside the lock cylinder; the lock core includes driver part, sleeve and lock post, driver part drive sleeve is rotatory, inside the sleeve was located to the lock post cover, and with sleeve sliding connection, the lock body is provided with first pop-up hole, the one end of lock post can pass first pop-up hole and slide outside the lock body, the pop-up hole surface is provided with spacing arch along the axial, the lock post surface is provided with the spacing groove along the axial, the spacing groove slides along spacing arch.
As also disclosed in chinese utility model patent CN 108545129a, a bicycle and a wire-control positioning structure thereof, the wire-control positioning structure is used to connect a faucet lock, the faucet lock is disposed on a faucet of the bicycle, and the wire-control positioning structure includes a cable assembly and a body. The cable assembly is linked with the faucet lock so that the faucet lock is controlled by the cable assembly. The body is arranged on a handle of a bicycle and comprises a fixed lantern ring, a movable lantern ring and a release piece, wherein the movable lantern ring is rotatably arranged on the handle, the movable lantern ring is controlled by the release piece and correspondingly moves to a locking position or an unlocking position, the cable assembly comprises a shell, a cable and a spring, the shell is arranged on a faucet lock, the cable is connected between the shell and the movable lantern ring, the spring is connected with the cable, the cable can pull the shell to rotate towards a first direction, the spring can drive the shell to rotate towards a second direction, and the first direction is opposite to the second direction.
The faucet lock in the prior art is complex in structure and complex to lock.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model aims at the above-mentioned problem that prior art exists, provide a arresting gear who is used for restricting the axle at the bearing internal rotation very much, solve current structure complicacy and lock loaded down with trivial details problem.
Second, technical scheme
In order to solve the above technical problem, the utility model provides a arresting gear for limiting axle at bearing internal rotation, include: the electric push rod, the pull rope, the lock body, the ball support, the torsion spring, the spring and the power supply;
the electric push rod is electrically connected with a power supply, and the power supply can provide electric energy for the electric push rod;
the ball support is provided with a ball hole, the ball is embedded in the ball hole, and the ball can rotate in the ball hole;
wedge-shaped grooves with the number corresponding to that of the ball holes are arranged on the lock body;
the ball support is embedded in the lock body and can rotate in the lock body;
the torsional spring is sleeved on the ball support, one end of the torsional spring is connected with the ball support, the other end of the torsional spring is connected with the lock body, and the torsional spring is used for driving the ball support to rotate clockwise in the lock body;
the electric push rod is connected with the ball support through a pull rope and can push the ball support to rotate anticlockwise in the lock body, so that the balls are clamped between the steering tube and the lock body, and the steering tube is limited to rotate;
the spring is sleeved on the inhaul cable, and the first end of the spring is propped against the second end of the inhaul cable and is propped against the ball support.
The faucet lock of the technical scheme has the advantages that through the design of the electric push rod, the faucet lock is simple, rapid and convenient to lock, and electric locking can be achieved.
Wherein, a bracket hanging lug is arranged on the ball support, and the inhaul cable runs through the hanging lug;
the second end of the spring is propped against the hanger of the bracket.
According to the technical scheme, the faucet lock is designed through the support hangers, so that the stay cable is more convenient and faster to connect with the ball support.
Wherein, the electric push rod is fixed on the frame through the electric push rod bracket.
Wherein, the cable cover is equipped with the cable cover, and cable cover one end is fixed with electric push rod support, and the other end is fixed with the lock body.
According to the technical scheme, the faucet lock is designed through the cable sleeve, so that external dust is not prone to polluting the cable, and the service life of the cable is prolonged.
The braking device for limiting the rotation of the shaft in the bearing further comprises a fixing sleeve, and the lock body is fixed on the frame through the fixing sleeve.
The faucet lock of the technical scheme has the advantages that through the design of the fixing sleeve, the lock body can be more stable and firm when being fixed on a frame, and the installation speed is also increased.
Wherein, the ball is provided with four.
According to the technical scheme, the faucet lock is provided with the four balls, so that the balls can better clamp the direction tube, and the locking force is improved.
Wherein, the wedge-shaped groove is trapezoidal.
According to the technical scheme, the faucet lock is designed through the trapezoidal wedge-shaped groove, so that the ball can better clamp the direction pipe, and the locking force is improved.
Drawings
FIG. 1 is a diagram illustrating the effect of the brake device for limiting the rotation of a shaft in a bearing according to the present invention;
FIG. 2 is an exploded view of the brake assembly of the present invention for limiting rotation of a shaft within a bearing;
FIG. 3 is an effective view of the internal structure of the braking device for limiting the rotation of the shaft in the bearing according to the present invention;
fig. 4 is a schematic view of the internal structure of the braking device for limiting the rotation of the shaft in the bearing according to the present invention;
FIG. 5 is a partial schematic view of a brake device for limiting rotation of a shaft within a bearing according to the present invention;
FIG. 6 is a schematic view of a ball bearing support of the braking device for limiting rotation of a shaft within a bearing of the present invention;
fig. 7 is a schematic structural diagram of a lock body of the braking device for limiting the rotation of the shaft in the bearing according to the present invention;
fig. 8 is a schematic structural view of a fixing sleeve of the braking device for limiting the rotation of the shaft in the bearing according to the present invention;
in the figure: 1 is an electric push rod; 2 is a guy cable; 3 is a lock body; 4 is a spring; 5 is a ball; 6 is a ball support; 7 is a torsion spring; 9 is a fixed sleeve; 11 is an electric push rod bracket; 21 is a guy cable sleeve; 31 is a wedge-shaped groove; 32 is a groove; 61 is a ball hole; 62 is a bracket hanger; 91 is a convex column; 100 is a frame; 200 is a direction tube.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example one
The structure of the braking device for limiting rotation of the shaft in the bearing of the present embodiment includes, as shown in fig. 1 to 8: the electric push rod 1, the inhaul cable 2, the lock body 3, the spring 4, the ball 5, the ball support 6, the torsion spring 7 and the power supply;
the electric push rod 1 is electrically connected with a power supply, and the power supply can provide electric energy for the electric push rod 1;
the ball support 6 is provided with four ball holes 61, the four balls 5 are respectively embedded in the four ball holes 61, and the balls 5 can rotate in the ball holes 61;
the lock body 3 is provided with wedge-shaped grooves 31 with the number corresponding to that of the ball holes 61; the wedge-shaped grooves 31 are trapezoidal, are uniformly distributed on the lock body 3, and gradually change from wide to narrow along the counterclockwise direction.
The ball support 6 is embedded in the lock body 3, and the ball support 6 can rotate in the lock body 3;
the torsion spring 7 is sleeved on the ball support 6, one end of the torsion spring 7 is connected with the ball support 6, the other end of the torsion spring 7 is connected with the lock body 3, and the torsion spring 7 is used for driving the ball support 6 to rotate clockwise in the lock body 3;
be equipped with support hangers 62 on the ball support 6, through threaded connection between ball support 6 and the support hangers 62, 2 from running through on the support hangers 62 of cable, 4 covers of spring establish with 2 from the section that runs through on running through hangers 62 of cable to 4 first ends of spring support cable 2, 4 second ends of spring support hangers 62.
The electric push rod 1 can push the ball support 6 to rotate anticlockwise in the lock body 3, so that the ball 5 is clamped between the direction tube 200 and the lock body 3, and the rotation of the direction tube 200 is limited;
the electric push rod 1 is fixed to the vehicle frame 100 through the electric push rod bracket 11.
The pull cable 2 is sleeved with a pull cable sleeve 21, one end of the pull cable sleeve 21 is fixed with the electric push rod support 11, and the other end of the pull cable sleeve 21 is fixed with the lock body 3.
The braking device for limiting the rotation of the shaft in the bearing also comprises a fixing sleeve 9, and the lock body 3 is fixed on the frame 100 through the fixing sleeve 9.
When the steering tube 200 needs to be locked to the tap lock, the inhaul cable 2 is pulled by the electric push rod 1, the inhaul cable 2 compresses the spring 4, the ball support 6 is driven to rotate anticlockwise, the ball support 6 drives the balls 5 to rotate, the balls 5 are driven by the ball support 6 to move from the wider position of the wedge-shaped groove 31 to the narrower position until the balls 5 are clamped between the steering tube 200 and the lock body 3, and the tap lock is completed.
When the faucet lock needs to be unlocked, the electric push rod 1 is powered off, the spring 4 pushes the pull rope 2 to reset, the ball support 6 rotates clockwise under the action of the torsion spring 7, the ball 5 is driven to move from the narrow part of the wedge-shaped groove 31 to the wide part, the ball 5 is not clamped between the direction pipe 200 and the lock body 3 at the moment, and the direction pipe 200 can rotate freely.
Example two
In order to improve the fixing fastness of the faucet lock on the frame 100, a fixing sleeve 9 can be further arranged, the fixing sleeve 9 is directly sleeved on the frame 100, protruding columns 91 are uniformly distributed on the fixing sleeve 9 along the excircle, a groove 32 corresponding to the protruding column 91 is formed in the lock body 3, the groove 32 is clamped in the protruding column 91, the lock body 3 can not rotate on the frame 100, and usually the number of the grooves 32 and the protruding columns 91 is three.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A brake assembly for limiting rotation of a shaft within a bearing, the brake assembly comprising: the electric push rod (1), the pull cable (2), the lock body (3), the spring (4), the ball (5), the ball support (6), the torsion spring (7) and the power supply;
the electric push rod (1) is electrically connected with the power supply, and the power supply can provide electric energy for the electric push rod (1);
the ball support (6) is provided with a ball hole (61), the ball (5) is embedded in the ball hole (61), and the ball (5) can rotate in the ball hole (61);
wedge-shaped grooves (31) with the number corresponding to that of the ball holes (61) are arranged on the lock body (3);
the ball support (6) is embedded in the lock body (3), and the ball support (6) can rotate in the lock body (3);
the torsion spring (7) is sleeved on the ball support (6), one end of the torsion spring (7) is connected with the ball support (6), the other end of the torsion spring is connected with the lock body (3), and the torsion spring (7) is used for driving the ball support (6) to rotate clockwise in the lock body (3);
the electric push rod (1) is connected with the ball support (6) through the inhaul cable (2), and the electric push rod (1) can push the ball support (6) to rotate anticlockwise in the lock body (3), so that the balls (5) are clamped between the steering tube (200) and the lock body (3), and the steering tube (200) is limited to rotate;
the spring (4) is sleeved on the inhaul cable (2) and the first end of the spring (4) is propped against the second end of the inhaul cable (2) and propped against the ball support (6).
2. The brake device for limiting the rotation of a shaft in a bearing according to claim 1, wherein a bracket lug (62) is arranged on the ball bracket (6), and the traction cable (2) penetrates through the lug (62);
the second end of the spring (4) is propped against the bracket hanging lug (62).
3. Braking device for limiting the rotation of a shaft inside a bearing according to claim 2, characterized in that the electric push rod (1) is fixed to the frame (100) by means of an electric push rod bracket (11).
4. A braking device for limiting the rotation of a shaft in a bearing according to claim 3, characterized in that the cable (2) is sleeved with a cable sleeve (21), one end of the cable sleeve (21) is fixed with the electric push rod bracket (11), and the other end is fixed with the lock body (3).
5. The brake device for limiting rotation of a shaft within a bearing of claim 3, further comprising a retaining sleeve (9), wherein said lock body (3) is secured to said frame (100) by said retaining sleeve (9).
6. Braking device for limiting the rotation of a shaft inside a bearing according to claim 1, characterized in that said balls (5) are provided in four.
7. A brake device for limiting rotation of a shaft within a bearing as claimed in claim 1, wherein the wedge-shaped slot (31) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568841.0U CN210364153U (en) | 2019-04-24 | 2019-04-24 | Braking device for limiting rotation of shaft in bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920568841.0U CN210364153U (en) | 2019-04-24 | 2019-04-24 | Braking device for limiting rotation of shaft in bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210364153U true CN210364153U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568841.0U Active CN210364153U (en) | 2019-04-24 | 2019-04-24 | Braking device for limiting rotation of shaft in bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210364153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126943A (en) * | 2019-04-24 | 2019-08-16 | 宁波市众太汽车零部件有限公司 | A kind of brake apparatus rotated in bearing for limiting axis |
-
2019
- 2019-04-24 CN CN201920568841.0U patent/CN210364153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126943A (en) * | 2019-04-24 | 2019-08-16 | 宁波市众太汽车零部件有限公司 | A kind of brake apparatus rotated in bearing for limiting axis |
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