CN116998826A - Clamping mechanism and corrector - Google Patents

Abstract

The clamping mechanism comprises an upper clamping piece, a lower clamping piece, a connecting column, a locking ring and a positioning sleeve sleeved outside the connecting column, wherein the lower clamping piece is connected with the connecting column; the lower clamping piece is positioned between the upper clamping piece and the positioning sleeve; the positioning sleeve is provided with a positioning piece which can rotate around one end of the positioning piece; the locking ring is sleeved on the positioning sleeve in a movable way; the locking ring moves downwards by a preset distance to force the positioning piece and the connecting column to be relatively fixed. The clamping mechanism solves the technical problem of how to clamp the clamping mechanism on the object, and the positioning piece can be firmly clamped into the clamping groove of the connecting column by arranging the combination of the positioning piece and the locking sleeve, so that the clamping effect is excellent, and the clamping state is stable.

Description

Clamping mechanism and corrector

Technical Field

The invention relates to the field of sitting posture correction, in particular to a clamping mechanism and an appliance.

Background

The sitting posture corrector is one of the main means for preventing myopia and spondylopathy of children at present, so the use stability of the corrector has important effect on preventing and treating effect.

However, some of the appliances on the market have poor fixing effect of the clip, or unstable fixing state and easy falling off.

It is clear that the prior art has certain drawbacks.

Disclosure of Invention

The clamping mechanism solves the technical problem of how to clamp the clamping mechanism on the object, and the positioning piece can be firmly clamped into the clamping groove of the connecting column by arranging the combination of the positioning piece and the locking sleeve, so that the clamping effect is excellent, and the clamping state is stable.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the clamping mechanism comprises an upper clamping piece (2), a lower clamping piece (3) and a connecting column (1), wherein the lower clamping piece (3) is connected with the connecting column (1), the upper clamping piece (2) is arranged on the connecting column (1) in a penetrating mode, and the clamping mechanism further comprises a locking ring (61) and a positioning sleeve (4) sleeved outside the connecting column (1); the lower clamping piece (3) is positioned between the upper clamping piece (2) and the positioning sleeve (4); the positioning sleeve (4) is provided with a positioning piece (5), and the positioning piece (5) can rotate around one end of the positioning piece; the locking ring (61) is movably sleeved on the positioning sleeve (4); the locking ring (61) moves downwards for a preset distance to force the positioning piece (5) and the connecting column (1) to be relatively fixed.

Further, the connecting column (1) is provided with a plurality of positioning grooves (11), and the locking ring (61) moves downwards for a preset distance to force the positioning piece (5) to extend into the positioning grooves (11) partially.

Further, the device also comprises a locking sleeve (6) sleeved outside the connecting column (1); the locking sleeve (6) is in spiral connection with the positioning sleeve (4); the locking ring (61) is fixed on the inner wall of the locking sleeve (6).

Further, the device also comprises a spring (7) and a baffle; the baffle (8) is arranged on the connecting column (1); the spring (7) is sleeved on the connecting column (1) and is positioned between the baffle (8) and the positioning sleeve (4).

Further, the positioning piece (5) is provided with at least one hook edge (51); the hook edge (51) can be clamped into the positioning groove (11).

Further, the hook edge (51) is provided with a hook abutting surface and a hook holding outer wrapping surface (511); the positioning groove (11) is provided with a groove abutting surface and an inclined surface (111); the included angle alpha between the hooking outer wrapping surface (511) and the vertical direction is smaller than 90 degrees; the included angle beta between the inclined surface (111) and the vertical direction is larger than 90 degrees and smaller than 180 degrees.

Further, the locking ring (61) is a circular ring with an inclined surface or a concave cambered surface and a narrow upper part and a wide lower part, and the inclined surface or the concave cambered surface faces the positioning piece (5).

Further, the positioning piece (5) is provided with a releasing convex edge (52) which is positioned at one side far away from the connecting column (1), and the locking ring (61) is positioned between the releasing convex edge (52) and the upper clamping piece (2).

Further, the positioning sleeve (4) is provided with a hook column (62); the upper clamping piece (2) is provided with a mounting groove (31) matched with the hook post (62).

Further, the connecting column (1) is a cubic column; the positioning grooves (11) are provided with two groups, and the two groups of positioning grooves (11) are respectively arranged on one group of side walls which are distributed in a back-to-back way on the cube column; the positioning pieces (5) are two.

The invention also provides a sitting posture corrector, which comprises the clamping mechanism and a correcting piece (9); the correcting piece (9) is connected with the connecting column (1) and/or the positioning sleeve (4).

Further, the correcting piece (9) can be inserted into the positioning sleeve (4) in a sliding mode and sleeved outside the connecting column (1).

The beneficial effects of the invention are as follows:

1. the combination of setting up setting element and lock sleeve can be with the draw-in groove of the firm card income spliced pole of setting element, and the centre gripping effect is outstanding, and the clamping state is stable.

2. Through lock sleeve and position sleeve threaded connection, need not the strong air alright light clamp in the table limit with the unscrambler, greatly promote the use convenience and the user experience of product.

3. The spring is arranged between the top of the connecting column and the positioning sleeve, and the positioning sleeve is in threaded connection with the locking sleeve which is propped against the upper clamping piece, so that the spring can provide an additional clamping effect.

4. The hook edge of the positioning piece is provided with an inclined surface hook which inclines upwards, and the positioning groove formed by the inverted tooth is arranged, so that the hook edge is convenient to clamp into the positioning groove, the hook abutting surface and the groove abutting surface can be better matched to prevent slipping, and in addition, the connecting column is directly pushed upwards under the matching of the hook outer wrapping surface and the inclined surface, so that the hook edge can slide out of the positioning groove.

5. The locking ring is narrow and wide from top to bottom and is provided with an inclined plane or a concave cambered surface, so that the locking process of the clamping mechanism is smoother, and the texture of products and the user experience are improved.

6. The convex edge of releasing the card is arranged on the locating piece, and in the spiral rising process of the locking sleeve, the locking ring is propped against the convex edge of releasing the card, so that the hook edge on the locating piece is driven to move out of the locating groove, and the use convenience is further improved.

7. The hook column is arranged on the positioning sleeve, so that the upper clamping piece and the positioning sleeve are connected together, and the trouble that a child plays a role in rotating the locking sleeve when the desk is not clamped, the locking sleeve is completely separated from the positioning sleeve, and reinstallation is needed in the later period is avoided; in addition, the hook post has certain elasticity and can be conveniently assembled, disassembled and replaced.

8. The design keeps off piece and spring, can provide a part of force when pressing from both sides tight table limit, can prevent again that the spliced pole from excessively sinking into the position sleeve after, the setting element rotates and partly stretches into in the position sleeve, blocks the spliced pole upper end in succession.

9. The connecting column is arranged as a square column, and the positioning groove is arranged on the outer side wall facing away from the connecting column, so that accidental collision to the chest piece can be effectively prevented, the positioning sleeve is driven to rotate, the hook edge of the positioning piece is brought out of the positioning groove, and then the whole product is dropped; and the assembly is more convenient, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a clamping mechanism in an unclamped state according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of a clamping mechanism in an unclamped state.

Fig. 3 is a schematic cross-sectional structure of fig. 2.

Fig. 4 is a schematic view of a partial enlarged structure of a in fig. 3.

Fig. 5 is a schematic diagram of an appliance according to an embodiment of the disclosure.

Fig. 6 is a schematic elevational view of the structure of fig. 5.

Fig. 7 is a schematic cross-sectional view of fig. 6 along A-A.

Fig. 8 is an exploded view of an appliance according to an embodiment of the present disclosure.

Reference numerals illustrate:

1. a connecting column; 2. an upper clamping piece; 3. a lower clamping piece; 4. a positioning sleeve; 5. a positioning piece; 6. a locking sleeve;

7. a spring; 8. a blocking member; 9. a correcting member;

11. a positioning groove; 12. a central axis of the connecting column; 111. an inclined surface;

31. a mounting groove;

51. a hook edge; 52. releasing the convex edge; 511. hooking the outer wrapping surface;

61. a locking ring; 62. and hooking the column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The following describes specific embodiments of the present invention with reference to the drawings.

The invention provides a clamping mechanism, which comprises an upper clamping piece 2, a lower clamping piece 3, a connecting column 1 provided with a plurality of positioning grooves 11, wherein the lower clamping piece 3 is connected with the connecting column 1, the upper clamping piece 2 is arranged on the connecting column 1 in a penetrating way, and the clamping mechanism also comprises a locking ring 61 and a positioning sleeve 4 sleeved outside the connecting column 1; the positioning sleeve 4 is provided with a positioning sleeve 5, the positioning sleeve 5 can rotate around one end of the positioning sleeve 5, and the positioning sleeve 5 can partially extend into the positioning groove 11; the locking ring 61 is movably arranged on the positioning sleeve 4; the locking ring 61 is moved to the positioning sleeve 5, and the upper clamping piece 2 and the lower clamping piece 3 are fixed relative to the connecting column 1. The invention can firmly clamp the positioning sleeve 5 into the clamping groove of the connecting column 1 by arranging the combination of the positioning sleeve 5 and the locking sleeve 6, has excellent clamping effect and stable clamping state, and effectively solves the technical problem of how the clamping mechanism is clamped on an object.

Example 1

As shown in fig. 1-4 and 8, a preferred embodiment of a clamping mechanism provided by the invention is provided, wherein the clamping mechanism comprises an upper clamping piece 2, a lower clamping piece 3, a connecting column 1 provided with a plurality of positioning grooves 11, a locking ring 61 and a positioning sleeve 4 sleeved outside the connecting column 1; the lower clamping piece 3 is fixedly connected with the connecting column 1, and the upper clamping piece 2 is arranged on the connecting column 1 in a penetrating way; the positioning sleeve 4 is provided with a positioning sleeve 5, the positioning sleeve 5 is installed in a hinged mode and can rotate around one end of the positioning sleeve 5, and the positioning sleeve 5 can partially extend into the positioning groove 11; the locking ring 61 is movably arranged on the positioning sleeve 4; the locking ring 61 is moved to the positioning sleeve 5, and the upper clamping piece 2 and the lower clamping piece 3 are fixed relative to the connecting column 1.

Specifically, the positioning grooves 11 are provided in two groups, and in this embodiment, the connecting column 1 is preferably a cube column; two groups of positioning grooves 11 are respectively arranged on one group of side walls which are distributed in a back direction on the cube column; the positioning sleeve 5 is provided with two. The connecting column 1 is provided with a square column, and the positioning groove 11 is arranged on the outer side wall facing away from the connecting column, so that accidental collision to the chest piece can be effectively prevented, the positioning sleeve 4 is driven to rotate, the hook edge 51 of the positioning sleeve 5 is brought out of the positioning groove 11, and then the whole product is fallen off; and the assembly is more convenient, and the production efficiency is improved.

An arc surface is arranged at the upper part of the positioning sleeve 5 and close to the connecting column 1, so that the positioning sleeve 5 can rotate on the positioning sleeve 4, namely the hook edge 51 on the positioning sleeve 5 moves out of the positioning groove 11 to eliminate the structural obstacle. The positioning sleeve 5 is provided with at least one hook edge 51; the hook edge 51 can be clamped into the positioning groove 11. The hook edge 51 has a hook abutting surface and a hook holding outer wrapping surface 511; the positioning groove 11 has a groove abutment surface and an inclined surface 111; the included angle alpha between the hooking outer wrapping surface 511 and the vertical direction is smaller than 90 degrees; the angle β between the inclined surface 111 and the vertical direction is greater than 90 degrees and less than 180 degrees, and in this embodiment, the vertical direction is the central axis 12 of the connecting column in the section of fig. 4. The included angle between the hooking surface and the horizontal plane is 0-90 degrees; the included angle between the groove abutting surface and the horizontal plane is 90-180 degrees. The hook edge 51 of the positioning sleeve 5 is provided with an inclined hook which inclines upwards and a positioning groove 11 formed by the inverted teeth, so that the hook edge 51 can be conveniently clamped into the positioning groove 11, and the hook abutting surface and the groove abutting surface can be better in interference fit to prevent slipping; in addition, under the cooperation of the hooking outer surface 511 and the inclined surface 111, the connecting post 1 is directly pushed upward, so that the hooking edge 51 slides out of the positioning groove 11.

Further, the positioning sleeve 5 is provided with a releasing convex edge 52, which is positioned at one side far away from the connecting column 1, and the locking ring 61 is positioned between the releasing convex edge 52 and the upper clamping piece 2. The locating sleeve 5 is provided with a release convex edge 52, and in the spiral rising process of the locking sleeve 6, the locking ring 61 is propped against the release convex edge 52, so that the hook edge 51 on the locating sleeve 5 is driven to move out of the locating groove 11.

Further, the device also comprises a locking sleeve 6 sleeved outside the connecting column 1; the locking sleeve 6 is in spiral connection with the positioning sleeve 4; the locking ring 61 is fixed to the inner wall of the locking sleeve 6. Further, the locking ring 61 is a circular ring with a bevel or a concave cambered surface, and the bevel or the concave cambered surface faces the positioning sleeve 5. The locking ring 61 is narrow at the upper part and wide at the lower part and is provided with an inclined plane or a concave cambered surface, so that the locking process of the clamping mechanism is smoother, and the texture of products and the user experience are improved. And, through lock sleeve 6 and locating sleeve 4 threaded connection, need not the atmospheric force alright light clamp in the table limit with the unscrambler, greatly promote the use convenience and the user experience of product.

Further, the device also comprises a spring 7 and a stopper; the baffle piece 8 is arranged on the connecting column 1; the spring 7 is sleeved on the connecting column 1 and is positioned between the baffle 8 and the positioning sleeve 4. By arranging the spring 7 between the top of the connecting column 1 and the positioning sleeve 4, the positioning sleeve 4 is in threaded connection with the locking sleeve 6, and the locking sleeve 6 is propped against the upper clamping piece, so that the spring 7 can provide a further clamping effect. The design keeps off piece 8 and spring 7 can provide a part of force when pressing from both sides tight table limit, can prevent again that spliced pole 1 from excessively sinking into behind the position sleeve 4, and position sleeve 5 rotates and partly stretches into in the position sleeve 4, blocks spliced pole 1 upper end then for whole fixture inefficacy, need dismantle the back with position sleeve 5 reset just can resume the function.

Further, the positioning sleeve 4 is provided with a hook post 62; the upper clip 2 has a mounting slot 31 that mates with the hook post 62. The hook column 62 is arranged on the positioning sleeve 4, so that the upper clamping piece 2 and the positioning sleeve 4 are connected together, and the trouble that a child rotates the locking sleeve 6 to completely separate the locking sleeve 6 from the positioning sleeve 4 when the table is not clamped and reinstallation is needed in the later period is avoided; in addition, the hook post 62 has certain elasticity and can be conveniently assembled, disassembled and replaced.

Further, the lower clamping piece 3 is provided with a mounting groove 31 or a mounting block, and is located at one side far away from the upper clamping piece 2, so that the clamping mechanism can be mounted on a panel such as a tabletop, and a mechanical structure matched with the mounting groove 31 or the mounting block is preset on the panel.

Principle of operation

When the locking sleeve 6 is not clamped, the edges of the locking sleeve 6 and the positioning sleeve 4 are tightly attached together, at the moment, the locking ring 61 is propped against the unlocking convex edge 52, and the positioning sleeve 5 is hinged to the positioning sleeve 4 through a rotating shaft, when the locking ring 61 acts on the unlocking convex edge 52 and drives the unlocking convex edge 52 upwards, the hook edge 51 positioned on the positioning sleeve 5 exits the positioning groove 11 due to the lever principle, and the positioning sleeve 4 and the locking sleeve 6 can slide on the connecting column 1.

In the clamping and locking process, taking a table edge as an example, the upper clamping piece 2 and the lower clamping piece 3 are used for connecting the table edge into a meshing stroke, the positioning sleeve 4 is moved, and the positioning sleeve 4 drives the locking sleeve 6 and the upper clamping piece 2; when the upper sheet is propped against the upper tabletop, the locking sleeve 6 is rotated to enable the edge of the locking sleeve to leave the positioning sleeve 4, and the upper clamping sheet 2 moves; the locking ring 61 moves downwards to the positioning sleeve 5 under the drive of the locking sleeve 6 and extrudes the positioning sleeve 5 into the positioning groove 11; until the locking sleeve 6 is locked in a downward rotation mode, under the condition that the connecting column 1 is hooked by the positioning sleeve 5 on the positioning sleeve 4 finally, the force of the spring 7 and the lower end of the locking sleeve 6 prop against the upper clamping piece 2 to rotate downwards continuously, so that the distance between the upper clamping piece 2 and the lower clamping piece 3 is contracted, and further clamping is achieved.

Referring to fig. 5-8, the present embodiment further provides a sitting posture corrector, which comprises the above-mentioned clamping mechanism and a correcting member 9; the correcting element 9 is connected to the connecting column 1 and/or the positioning sleeve 4.

Specifically, in the present embodiment, the correcting member 9 is slidably inserted into the positioning sleeve 4 and sleeved outside the connecting post 1.

Example two

As another embodiment, the connecting column 1 is cylindrical, the two sets of positioning grooves 11 are disposed on two sides of the cylindrical connecting column 1, and blocking edges are disposed on two sides of each set of positioning grooves 11.

The above examples illustrate only one embodiment of the invention, which is described in more detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (12)

1. The utility model provides a fixture, includes clamping piece (2), lower clamping piece (3) and spliced pole (1), lower clamping piece (3) with spliced pole (1) are connected, go up clamping piece (2) wear to locate on spliced pole (1), its characterized in that:

the locking ring (61) and the positioning sleeve (4) are sleeved outside the connecting column (1);

the lower clamping piece (3) is positioned between the upper clamping piece (2) and the positioning sleeve (4);

the positioning sleeve (4) is provided with a positioning piece (5), and the positioning piece (5) can rotate around one end of the positioning piece;

the locking ring (61) is movably sleeved on the positioning sleeve (4); the locking ring (61) moves downwards for a preset distance to force the positioning piece (5) and the connecting column (1) to be relatively fixed.

2. Clamping mechanism according to claim 1, characterized in that the connecting column (1) is provided with a plurality of positioning grooves (11), and the locking ring (61) moves downwards for a preset distance to force the positioning piece (5) to extend into the positioning grooves (11) partially.

3. Clamping mechanism according to claim 2, further comprising a locking sleeve (6) which is sleeved outside the connecting column (1);

the locking sleeve (6) is in spiral connection with the positioning sleeve (4);

the locking ring (61) is fixed on the inner wall of the locking sleeve (6).

4. A clamping mechanism according to claim 3, further comprising a spring (7) and a stop;

the baffle (8) is arranged on the connecting column (1);

the spring (7) is sleeved on the connecting column (1) and is positioned between the baffle (8) and the positioning sleeve (4).

5. Clamping mechanism according to any of claims 2-4, wherein the positioning element (5) has at least one hooking edge (51);

the hook edge (51) can be clamped into the positioning groove (11).

6. The clamping mechanism according to claim 5, wherein the hooking edge (51) has a hooking surface and a hooking outer envelope surface (511);

the positioning groove (11) is provided with a groove abutting surface and an inclined surface (111);

the included angle alpha between the hooking outer wrapping surface (511) and the vertical direction is smaller than 90 degrees;

the included angle beta between the inclined surface (111) and the vertical direction is larger than 90 degrees and smaller than 180 degrees.

7. Clamping mechanism according to any of claims 2-4, 6, wherein the locking ring (61) is a ring with a narrow upper and wide lower part with a bevel or concave cambered surface facing the positioning element (5).

8. Clamping mechanism according to claim 7, characterized in that the positioning piece (5) is provided with a release ledge (52) located on the side remote from the connecting column (1) and the locking ring (61) is located between the release ledge (52) and the upper clamping piece (2).

9. The clamping mechanism according to any of claims 2-4, 6, 8, wherein the positioning sleeve (4) has a hook post (62); the upper clamping piece (2) is provided with a mounting groove (31) matched with the hook post (62).

10. Clamping mechanism according to claim 9, characterized in that the connecting column (1) is a cubic column; the positioning grooves (11) are provided with two groups, and the two groups of positioning grooves (11) are respectively arranged on one group of side walls which are distributed in a back-to-back way on the cube column;

the positioning pieces (5) are two.

11. A sitting posture corrector, comprising: the clamping mechanism according to any of claims 1-10, and the orthotic (9);

the correcting piece (9) is connected with the connecting column (1) and/or the positioning sleeve (4).

12. A sitting posture corrector according to claim 11, characterized in that the corrector (9) is slidably inserted into the positioning sleeve (4) and is sleeved outside the connecting post (1).