CN217471477U - Clamping mechanism and corrector - Google Patents

Abstract

A clamping mechanism and a corrector comprise an upper clamping piece, a lower clamping piece and a connecting column, wherein the lower clamping piece is connected with the connecting column, the upper clamping piece is arranged on the connecting column in a penetrating way, and the corrector also comprises a locking ring and a positioning sleeve sleeved outside 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 sleeve is movably arranged on the positioning sleeve; the locking ring moves downwards for a preset distance to force the positioning piece and the connecting column to be relatively fixed. The utility model discloses a technical problem that an aspect was solved is how to press from both sides the problem of pressing from both sides tightly on the article by fixture, through the combination that sets up setting element and lock sleeve, can firmly block the draw-in groove of spliced pole into with the setting element, and the centre gripping effect is outstanding, and clamping state is stable.

Description

Clamping mechanism and corrector

Technical Field

The utility model relates to a field is corrected to the position of sitting, concretely relates to fixture and unscrambler.

Background

The sitting posture corrector is one of the main means for preventing myopia and spondylopathy of children at present, so that the use stability of the corrector has the effect of lifting the feet on the prevention and treatment effect.

However, some orthotics on the market have poor fixing effect by clamping or are unstable in fixing state and easy to fall off.

It is obvious that the prior art has certain defects.

Disclosure of Invention

The utility model discloses a technical problem that an aspect was solved is how to press from both sides the problem of pressing from both sides tightly on the article by fixture, through the combination that sets up setting element and lock sleeve, can firmly block the draw-in groove of spliced pole into with the setting element, and the centre gripping effect is outstanding, and clamping state is stable.

In order to achieve the above object, the utility model provides a following technical scheme:

a 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) penetrates through the connecting column (1), 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); a positioning piece (5) is arranged on the positioning sleeve (4), and the positioning piece (5) can rotate around one end of the positioning piece; the locking ring (61) is movably arranged on the positioning sleeve (4) in a sleeved mode; 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.

Furthermore, a plurality of positioning grooves (11) are formed in the connecting column (1), and the locking ring (61) moves downwards for a preset distance to force the positioning piece (5) to partially extend into the positioning grooves (11).

Furthermore, the locking 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 stop piece; the blocking piece (8) is arranged on the connecting column (1); the spring (7) is sleeved on the connecting column (1) and is positioned between the stopper (8) and the positioning sleeve (4).

Furthermore, 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).

Furthermore, 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 butting surface and an inclined surface (111); the included angle alpha between the hooked 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.

Furthermore, the locking ring (61) is a ring with a slope or a concave cambered surface, the upper part of the ring is narrow, and the lower part of the ring is wide, and the slope or the concave cambered surface faces the positioning piece (5).

Furthermore, the positioning part (5) is provided with a releasing convex edge (52) which is positioned on 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 locating 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 column (62).

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

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 slidably inserted into the positioning sleeve (4) and sleeved outside the connecting column (1).

The utility model has the advantages as follows:

1. the combination of the positioning piece and the locking sleeve is arranged, the positioning piece can be firmly clamped into the clamping groove of the connecting column, the clamping effect is excellent, and the clamping state is stable.

2. Through lock sleeve and position sleeve threaded connection, need not big power gas alright easily press from both sides the unscrambler in the table limit, 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, and the locking sleeve abuts against the upper clamping piece, so that the spring can provide an additional clamping effect.

4. Collude the setting element along setting to have the inclined plane that upwards inclines to and set up the constant head tank that the pawl formed, both be convenient for collude along the card income constant head tank, more can be so that collude to support the face and the face forms better full and graceful cooperation with the groove, prevent the slippage, in addition, collude under the cooperation of holding outsourcing face and inclined plane, directly upwards push away the spliced pole, can make colluding along the roll-off constant head tank.

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

6. The locating piece is provided with the releasing convex edge, and the locking ring can be pushed to the releasing convex edge in the spiral rising process of the locking sleeve, so that the hooking 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, and the upper clamping piece is connected with the positioning sleeve, so that the trouble that a child plays with the rotary locking sleeve to completely separate the locking sleeve from the positioning sleeve and needs to be reinstalled at a later stage when the table is not clamped is avoided; in addition, the hook column has certain elasticity, and can be conveniently assembled or disassembled for replacement.

8. The blocking piece and the spring are designed to provide part of force when clamping the desk edge and prevent the positioning piece from rotating and extending into the positioning sleeve partially to clamp the upper end of the connecting column after the connecting column is excessively sunk into the positioning sleeve.

9. The connecting column is arranged into a square column, and the positioning groove is arranged on the back outer side wall of the square column, so that the situation that the whole product falls off due to the fact that the positioning sleeve is driven to rotate by the top chest piece and the hook edge of the positioning piece is taken out of the positioning groove by the top chest piece through accidental collision can be effectively prevented; the assembly is more convenient, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

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

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

Fig. 4 is a partially enlarged structural diagram of a in fig. 3.

Fig. 5 is a schematic structural diagram of the orthosis according to the first embodiment of the disclosure.

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

Fig. 7 is a schematic sectional view taken along a-a in fig. 6.

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

Description of reference numerals:

1. connecting columns; 2. an upper clamping piece; 3. a lower clamping piece; 4. a positioning sleeve; 5. a positioning member; 6. a locking sleeve; 7. a spring; 8. a stopper; 9. a correction element;

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

31. mounting grooves;

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

61. a locking ring; 62. and (4) hooking the column.

Detailed Description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention and the accompanying drawings are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The following describes 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 and 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 penetrates through the connecting column 1, 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, 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. According to the invention, through the combination of the positioning sleeve 5 and the locking sleeve 6, the positioning sleeve 5 can be firmly clamped into the clamping groove of the connecting column 1, the clamping effect is excellent, the clamping state is stable, and the technical problem of how to clamp the clamping mechanism on an object is effectively solved.

Example one

As shown in fig. 1-4 and 8, for the preferred embodiment of the clamping mechanism provided by the present invention, a clamping mechanism comprises an upper clamping piece 2, a lower clamping piece 3, a connecting column 1 provided with a plurality of positioning slots 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, two sets of positioning grooves 11 are provided, and in the present embodiment, the connecting column 1 is preferably a cubic column; the two groups of positioning grooves 11 are respectively arranged on one group of side walls which are distributed back to back on the cubic column; two positioning sleeves 5 are arranged. The connecting column 1 is arranged to be a square column, the positioning groove 11 is arranged on the back outer side wall of the connecting column, so that accidental collision to the top chest piece can be effectively prevented, the positioning sleeve 4 is driven to rotate, the hook edge 51 of the positioning sleeve 5 is taken out of the positioning groove 11, and then the whole product falls off; the assembly is more convenient, and the production efficiency is improved.

The upper part of the positioning sleeve 5 and the position close to the connecting column 1 are provided with cambered surfaces, 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 structural obstacles. The positioning sleeve 5 is provided with at least one hook edge 51; the hook edge 51 can be snapped into the positioning groove 11. The hook edge 51 is provided with a hook abutting surface and a hook holding outer wrapping surface 511; the positioning groove 11 has a groove butting surface and an inclined surface 111; the included angle alpha between the hooking outer covering surface 511 and the vertical direction is smaller than 90 degrees; the angle β between the inclined surface 111 and the vertical direction, which in this embodiment is the central axis 12 of the connecting column in the section plane of fig. 4, is greater than 90 degrees and less than 180 degrees. The included angle range of the hooking and abutting surface and the horizontal plane is 0-90 degrees; the included angle between the groove butting surface and the horizontal plane ranges from 90 degrees to 180 degrees. The hook edge 51 of the positioning sleeve 5 is provided with an inclined plane hook which inclines upwards and a positioning groove 11 formed by inverted teeth, so that the hook edge 51 can be conveniently clamped into the positioning groove 11, and the hooking surface and the groove abutting surface can form better interference fit to prevent slipping; in addition, under the matching of the hook holding surface 511 and the inclined surface 111, the connecting column 1 is directly pushed upwards, so that the hook edge 51 slides out of the positioning groove 11.

Furthermore, the positioning sleeve 5 is provided with an unlocking 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 unlocking convex edge 52 and the upper clamping piece 2. The positioning sleeve 5 is provided with a releasing convex edge 52, and in the process of screwing up the locking sleeve 6, the locking ring 61 will be pushed against the releasing convex edge 52, so as to drive the hook edge 51 on the positioning sleeve 5 to move out of the positioning groove 11.

Furthermore, the locking device also comprises a locking sleeve 6 sleeved outside the connecting column 1; the locking sleeve 6 is spirally connected with the positioning sleeve 4; the locking ring 61 is fixed on the inner wall of the locking sleeve 6. Further, the locking ring 61 is a ring with a bevel or a concave cambered surface facing the positioning sleeve 5. The locking ring 61 is narrow at the top and wide at the bottom, and is provided with an inclined plane or an inwards concave arc surface, so that the locking process of the clamping mechanism is smoother, and the texture of a product and the user experience are improved. And, through lock sleeve 6 and 4 threaded connection of position sleeve, need not the strength of strength alright easily press from both sides the unscrambler in the table limit, greatly promote the use convenience and the user experience of product.

Further, the device also comprises a spring 7 and a blocking piece; the stopper 8 is arranged on the connecting column 1; the spring 7 is sleeved on the connecting column 1 and is positioned between the stopper 8 and the positioning sleeve 4. Through set up spring 7 between spliced pole 1 top and position sleeve 4, because position sleeve 4 and lock sleeve 6 threaded connection, and lock sleeve 6 supports in the last clamping piece, consequently spring 7 can provide further tight effect of clamp. The design of the blocking piece 8 and the spring 7 can provide part of force when clamping the desk edge, and can prevent the function from being restored after the connecting column 1 is excessively sunk into the positioning sleeve 4, the positioning sleeve 5 rotates and partially extends into the positioning sleeve 4, the upper end of the connecting column 1 is clamped, the whole clamping mechanism is disabled, and the positioning sleeve 5 needs to be restored after being detached.

Further, the positioning sleeve 4 has a hooking column 62; the upper jaw 2 has a mounting groove 31 to be fitted with the hooking stem 62. The hook column 62 is arranged on the positioning sleeve 4 to connect the upper clamping piece 2 and the positioning sleeve 4 together, so that the trouble that a child plays the rotary locking sleeve 6 to completely separate the locking sleeve 6 from the positioning sleeve 4 and needs to reinstall the rotary locking sleeve 6 in the later period when the table is not clamped is avoided; in addition, the hook posts 62 have certain elasticity, which can facilitate assembly or disassembly and replacement.

Furthermore, the lower clip 3 is provided with an installation groove 31 or an installation block, which is located at one side far away from the upper clip 2, and can install the clamping mechanism on a panel such as a desktop, and a mechanical structure matched with the installation groove 31 or the installation block is preset on the panel.

Principle of operation

When not clamping, the lock sleeve 6 is hugged closely together with the edge of position sleeve 4, and at this moment, the lock ring 61 supports the protruding edge 52 of unfreezing, because the position sleeve 5 is for articulating the mode installation in position sleeve 4 through the pivot, when the lock ring 61 acts on the protruding edge 52 of unfreezing and upwards drives the protruding edge 52 of unfreezing, because lever principle, collude edge 51 that is located on position sleeve 5 withdraws from constant head tank 11, and position sleeve 4 and lock sleeve 6 can slide on spliced pole 1.

The process of clamping and locking is described by taking table edge clamping as an example, the table edge is connected into an occlusion stroke by the upper clamping piece 2 and the lower clamping piece 3, 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 piece is pressed against the upper table surface, the locking sleeve 6 is rotated to enable the edge of the locking sleeve to leave the positioning sleeve 4, and the locking sleeve moves towards the upper clamping piece 2; driven by the locking sleeve 6, the locking ring 61 moves downwards to the positioning sleeve 5 and extrudes the positioning sleeve 5 into the positioning groove 11; until the locking sleeve 6 is locked by screwing downwards, under the condition that the positioning sleeve 5 on the final positioning sleeve 4 hooks the connecting column 1, the force of the spring 7 and the lower end of the locking sleeve 6 support the upper clamping piece 2 to continuously rotate downwards, so that the distance between the upper clamping piece 2 and the lower clamping piece 3 is shortened, and the clamping is realized.

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

Specifically, in the present embodiment, the correcting element 9 can be slidably inserted into the positioning sleeve 4 and sleeved outside the connecting column 1.

Example two

In another embodiment, the connecting column 1 is cylindrical, the two groups of positioning grooves 11 are disposed on two sides of the cylindrical connecting column 1, and two blocking edges are disposed on two sides of each group of positioning grooves 11.

The above embodiment only expresses one implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to 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) is connected, it wears to locate to go up clamping piece (2) on spliced pole (1), its characterized in that:

the locking device also 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);

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

the locking ring (61) is movably arranged on the positioning sleeve (4) in a sleeved mode; 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. The clamping mechanism according to claim 1, wherein the connecting column (1) has a plurality of positioning slots (11), and the locking ring (61) moves downwards a predetermined distance to force the positioning member (5) to partially extend into the positioning slots (11).

3. The clamping mechanism of claim 2, further comprising 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).

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

the blocking piece (8) is arranged on the connecting column (1);

the spring (7) is sleeved on the connecting column (1) and is positioned between the stopper (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 hook edge (51);

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

6. The clamping mechanism as claimed in claim 5, wherein the hooking edge (51) has a hooking surface and a hooking envelope surface (511);

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

the included angle alpha between the hooked 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 narrow-top and wide-bottom ring with a bevel or concave arc facing the positioning element (5).

8. The clamping mechanism according to claim 7, wherein the positioning member (5) has an unlocking convex edge (52) thereon, which is located on the side away from the connecting column (1), and the locking ring (61) is located between the unlocking convex edge (52) and the upper clamping piece (2).

9. Clamping mechanism according to any of claims 2-4, 6, 8, characterized in that the positioning sleeve (4) has a hooking stem (62); the upper clamping piece (2) is provided with a mounting groove (31) matched with the hook column (62).

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

two positioning pieces (5) are arranged.

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

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

12. A sitting posture corrector as claimed in claim 11, characterized in that the correction member (9) is slidably inserted into the positioning sleeve (4) and is sleeved outside the connecting column (1).

Images