CN220145247U - Rotation shaft limiting mechanism - Google Patents

Abstract

The utility model discloses a rotating shaft limiting mechanism which comprises a limiting bin, a rotating shaft and a limiting frame, wherein the limiting bin is arranged on one side of the limiting frame, the rotating shaft is arranged on the inner wall of the limiting frame in a penetrating mode, a sealing plate is arranged on one side of the limiting bin through a fixing bolt, a connecting rod is arranged on the inner wall of the limiting bin, first springs are arranged on two sides of the outer wall of the connecting rod, a first limiting block is arranged in the middle of the outer wall of the connecting rod, and one side of the first limiting block is arranged on the other side of the sealing plate. According to the utility model, through the arrangement of the limiting bin, the first spring and the connecting rod, the position of the first limiting block can be adjusted, so that the rotation range of the rotating shaft can be adjusted, when the second limiting block rotates to one side of the first limiting block along with the rotating shaft, the second limiting block moves to squeeze the position of the first limiting block, and the rotation range of the rotating shaft can be ensured in the use process of the rotating shaft limiting mechanism.

Description

Rotation shaft limiting mechanism

Technical Field

The utility model relates to the technical field of limiting equipment, in particular to a rotating shaft limiting mechanism.

Background

The rotation axis is a geometric straight line according to which rotation symmetry motion is performed, when the rotation motion acts on an image, the vertical distance between any point in the image and the rotation axis is required to be kept constant all the time, and the rotation axis is a common mechanical mechanism and can be applied to devices such as machine tools.

Patent document CN216633391U discloses a rotation shaft limiting mechanism, more specifically, a rotation shaft limiting mechanism based on the differential gear principle applied to a machine tool. The utility model provides a simple, practical, safe and reliable rotating shaft limiting mechanism. The utility model comprises a shell and is characterized in that: the shell is internally provided with a limiting wheel, an arc-shaped groove group is arranged at the edge of the limiting wheel, an induction block is arranged on the surface of the limiting wheel, and a proximity switch is arranged on the shell corresponding to the induction block.

The rotation axis stop gear of above-mentioned publication mainly considers how to be provided with the spacing wheel in the casing, and spacing wheel edge is provided with arc groove group, and spacing wheel surface is provided with the response piece, be provided with proximity switch corresponding to the response piece on the casing, current rotation axis stop gear is in the use, needs to guarantee the rotation scope of rotation axis to prevent because of the setting of stopper, lead to the rotation scope of rotation axis to reduce, and lead to inconvenient technical problem who rotates to specific angle.

In view of the above, it is necessary to develop a rotation shaft limiting mechanism, and further to improve the practicality of the rotation shaft limiting mechanism in use.

Disclosure of Invention

The utility model aims to provide a rotating shaft limiting mechanism, which solves the technical problem that the rotating range of a rotating shaft is reduced due to the arrangement of a limiting block, so that the rotating shaft is inconvenient to rotate to a specific angle.

In order to achieve the above purpose, the utility model provides a rotating shaft limiting mechanism, which comprises a limiting bin, a rotating shaft and a limiting frame, wherein the limiting bin is arranged on one side of the limiting frame, and the rotating shaft is arranged on the inner wall of the limiting frame in a penetrating way;

a sealing plate is arranged on one side of the limiting bin through a fixing bolt, a connecting rod is arranged on the inner wall of the limiting bin, and first springs are arranged on two sides of the outer wall of the connecting rod;

the middle part of connecting rod outer wall is installed first stopper, and one side of first stopper is installed in the closing plate opposite side.

Preferably, the outer wall of the rotating shaft is provided with a fixed block through a bolt, and one side of the fixed block is provided with a groove.

Preferably, the output motor is installed to the opposite side of locating rack, and a plurality of through-holes have been seted up to the outer wall of locating rack one side.

Preferably, the bottom of the limit bin is provided with a through groove, and the inner wall of the through groove is arranged on the outer wall of the first limit block.

Preferably, the connecting block is installed through the bolt to the inner wall of recess, and the second stopper is installed to one side of connecting block.

Preferably, a limiting groove is formed in the bottom of the second limiting block, and a second spring is mounted on the top of the inner wall of the limiting groove.

Preferably, the output end of the second spring is provided with a limiting block, and the top of the outer wall of the limiting block is arranged at the bottom of the inner wall of the limiting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the limiting bin, the first spring and the connecting rod, the position of the first limiting block can be adjusted, so that the rotation range of the rotating shaft can be adjusted, when the second limiting block rotates to one side of the first limiting block along with the rotating shaft, the second limiting block moves to squeeze the position of the first limiting block, and the rotation range of the rotating shaft can be ensured in the use process of the rotating shaft limiting mechanism.

2. According to the utility model, the fixed block can be taken down from the rotating shaft by rotating the bolt, meanwhile, the connecting block can be taken out from the groove, the output motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the second limiting block to move, the limiting groove, the second spring and the limiting block are arranged, when the second limiting block extrudes the first limiting block to move, the first limiting block is pushed to exert force in the opposite direction by the elastic force generated by the pressure of the first spring, and at the moment, the situation that the first limiting block is pushed to move by the thrust of the first spring can be avoided by the resistance generated by the insertion of the limiting block into the through hole and the resistance generated by the rotation of the rotating shaft.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a limiting frame according to the present utility model;

FIG. 3 is a schematic view of a rotating shaft structure according to the present utility model;

FIG. 4 is a schematic view of a fixed block structure according to the present utility model;

fig. 5 is a schematic view of the structure of the spacing bin of the utility model.

In the figure: 1. a limit bin; 2. a rotation shaft; 3. a limiting frame; 101. a sealing plate; 102. a connecting rod; 103. a first spring; 104. a first limiting block; 201. a fixed block; 202. a groove; 301. an output motor; 302. a through hole; 401. a through groove; 501. a connecting block; 502. a second limiting block; 601. a limiting groove; 602. a second spring; 701. the block is restricted.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, in an embodiment of the present utility model, a rotation shaft limiting mechanism includes a limiting bin 1, a rotation shaft 2 and a limiting frame 3, wherein the limiting bin 1 is installed on one side of the limiting frame 3, and the rotation shaft 2 is installed on an inner wall of the limiting frame 3 in a penetrating manner;

referring to fig. 1, 2 and 5, a sealing plate 101 is installed on one side of a limit bin 1 through a fixing bolt, a connecting rod 102 is installed on the inner wall of the limit bin 1, a first spring 103 is installed on two sides of the outer wall of the connecting rod 102, a first limit block 104 is installed in the middle of the outer wall of the connecting rod 102, one side of the first limit block 104 is installed on the other side of the sealing plate 101, a through groove 401 is formed in the bottom of the limit bin 1, the inner wall of the through groove 401 is installed on the outer wall of the first limit block 104, the position of the first limit block 104 can be adjusted through the arrangement of the limit bin 1, the first spring 103 and the connecting rod 102, and then the rotation range of a rotating shaft 2 can be adjusted, when a second limit block 502 rotates to one side of the first limit block 104 along with the rotating shaft 2, the second limit block 502 moves to squeeze the position of the first limit block 104, and then the rotation range of the rotating shaft 2 can be guaranteed in the using process of a limit mechanism of the rotating shaft 2, and the force generated when the first limit block 104 and the second limit block 502 collide can be reduced through the first spring 103, and the service life of the first limit block 104 and the second limit block 502 can be further improved;

referring to fig. 1, fig. 2, fig. 3 and fig. 4, the fixed block 201 is installed on the outer wall of the rotating shaft 2 through a bolt, the groove 202 is formed on one side of the fixed block 201, the output motor 301 is installed on the other side of the limiting frame 3, a plurality of through holes 302 are formed on the outer wall of one side of the limiting frame 3, the connecting block 501 is installed on the inner wall of the groove 202 through the bolt, the second limiting block 502 is installed on one side of the connecting block 501, the limiting groove 601 is formed in the bottom of the inner wall of the limiting groove 601, the limiting block 701 is installed at the output end of the second spring 602, the top of the outer wall of the limiting block 701 is installed at the bottom of the inner wall of the limiting groove 601, the fixed block 201 can be taken down from the rotating shaft 2 through the rotating bolt, meanwhile, the connecting block 501 can be taken out from the groove 202, the rotating shaft 2 is driven to rotate through the output motor 301, the second limiting block 502 can be driven to move through the rotating shaft 2, when the limiting block 104 is extruded by the second limiting block 502, the first limiting block 104 moves, the limiting block 601 is pushed by the second limiting block 103 to generate elastic force, the limiting block 103 is pushed by the top, the first limiting block 104 is pushed by the pressure, the first limiting block 104 is pushed by the opposite force, and the first limiting block 104 can generate resistance force to the first limiting block 104 can be pushed by the rotating through the corresponding force to the limiting block through the corresponding through the limiting block 302.

The working principle is that through the setting of spacing storehouse 1, first spring 103 and connecting rod 102, and then can adjust rotation axis 2's rotation scope, when second stopper 502 rotates along with rotation axis 2 to one side of first stopper 104, second stopper 502 moves and can extrude first stopper 104's position, and then can guarantee rotation axis 2's rotation scope in rotation axis 2 stop mechanism's use, can reduce the power that first stopper 104 and second stopper 502 produced when colliding through first spring 103, and then improve first stopper 104 and second stopper 502's life, through turning bolt, can take off fixed block 201 from rotation axis 2, also can take out connecting block 501 from recess 202 simultaneously, output motor 301 rotates and drives rotation axis 2 and rotate, rotation axis 2 can drive second stopper 502 and remove, through the setting of limiting groove 601, second spring 602 and limiting block 701, when second stopper 104 extrudeed first stopper 104 and move, first stopper 103 receives the pressure and can produce elasticity and promote first stopper 104 to the opposite direction, the thrust condition that can promote the first stopper 104 through the internal resistance force of the stopper 2 when inserting at this moment through the limiting block 302 and the first stopper's that the internal resistance can be self-driven by the rotation axis 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a rotation axis stop gear, includes spacing storehouse (1), rotation axis (2) and spacing (3), its characterized in that: a limit bin (1) is arranged on one side of the limit frame (3), and a rotating shaft (2) is arranged on the inner wall of the limit frame (3) in a penetrating manner;

one side of the limit bin (1) is provided with a sealing plate (101) through a fixing bolt, the inner wall of the limit bin (1) is provided with a connecting rod (102), and both sides of the outer wall of the connecting rod (102) are provided with first springs (103);

the middle part of the outer wall of the connecting rod (102) is provided with a first limiting block (104), and one side of the first limiting block (104) is arranged on the other side of the sealing plate (101).

2. A rotation shaft limiting mechanism as defined in claim 1, wherein: the outer wall of the rotating shaft (2) is provided with a fixed block (201) through bolts, and one side of the fixed block (201) is provided with a groove (202).

3. A rotation shaft limiting mechanism as defined in claim 1, wherein: an output motor (301) is arranged on the other side of the limiting frame (3), and a plurality of through holes (302) are formed in the outer wall of one side of the limiting frame (3).

4. A rotation shaft limiting mechanism as defined in claim 1, wherein: the bottom of the limit bin (1) is provided with a through groove (401), and the inner wall of the through groove (401) is arranged on the outer wall of the first limit block (104).

5. A rotation shaft limiting mechanism as defined in claim 2, wherein: the inner wall of the groove (202) is provided with a connecting block (501) through a bolt, and one side of the connecting block (501) is provided with a second limiting block (502).

6. A rotation shaft limiting mechanism as defined in claim 5, wherein: a limiting groove (601) is formed in the bottom of the second limiting block (502), and a second spring (602) is mounted on the top of the inner wall of the limiting groove (601).

7. A rotation shaft limiting mechanism as defined in claim 6, wherein: the output end of the second spring (602) is provided with a limiting block (701), and the top of the outer wall of the limiting block (701) is arranged at the bottom of the inner wall of the limiting groove (601).