CN219699211U - Adjustable anti-hooking wrist writing corrector - Google Patents

Abstract

An adjustable anti-hooking wrist writing appliance comprises a fixing piece, a correcting piece extending from a wrist or an arm of a user to a palm, a connecting sleeve and a locking assembly; the connecting sleeve is arranged on the wrist or the arm of the user through a fixing piece; one end of the correcting piece is connected with the connecting sleeve in a sliding way, and a plurality of positioning ports are arranged on the correcting piece; the locking assembly comprises a locking piece which is movably connected with the connecting sleeve; the locking piece is provided with a positioning part which is matched with the positioning opening to limit or release the sliding between the correcting piece and the connecting sleeve. According to the adjustable anti-hooking wrist writing corrector, the correcting piece is arranged on the connecting sleeve fixed on the arm or the wrist in a sliding mode, the length of the correcting piece can be customized in an individualized mode, and the correcting piece is pressed against the wrist when a user hooks the wrist, so that the error posture of the hooking wrist is corrected or prevented, and a user is guided to form the correct writing posture.

Description

Adjustable anti-hooking wrist writing corrector

Technical Field

The utility model relates to the field of writing correction appliances, in particular to an adjustable anti-hooking wrist writing correction appliance.

Background

The correct pen holding posture and the correct pen transporting method are the basis for writing, the pen holding posture is the wrist holding posture, namely the wrist is hooked inwards, the wrist loses the function as a stable supporting point, the pen holding posture is unstable, the writing is difficult, the writing is slow and the writing is tired, the learning efficiency is affected, and the physical health is endangered.

At present, common wrist corrector is prevented colluding on the market is formed by setting up stereoplasm correction piece by the palm side of palm cover, however, the correction piece of these products all is the setting of fixed length, is difficult to satisfy different user individuation demands.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

an adjustable anti-hooking wrist writing appliance comprises a fixing piece (4), a correcting piece (1) extending from a wrist or an arm of a user to a palm, a connecting sleeve (2) and a locking assembly (3); the connecting sleeve (2) is arranged on the wrist or the arm of a user through the fixing piece (4); one end of the correcting piece (1) is connected with the connecting sleeve (2) in a sliding manner, and a plurality of positioning ports (11) are arranged on the correcting piece (1); the locking assembly (3) comprises a locking piece (31), and the locking piece (31) is movably connected with the connecting sleeve (2); the locking piece (31) is provided with a positioning part (311) which is matched with the positioning opening (11) to limit or release the sliding between the correcting piece (1) and the connecting sleeve (2).

Further, the locking element (31) is slidingly or rotatably connected to the connecting sleeve (2); the locking assembly (3) further comprises a resetting piece (32), and the resetting piece (32) is arranged between the connecting sleeve (2) and the locking piece (31).

Further, the locking piece (31) can slide on the connecting sleeve (2), and the locking piece (31) is also provided with a clamping part (314); the connecting sleeve (2) is provided with a clamping groove part matched with the clamping part (314).

Further, the correcting member (1) is provided with a strip hole (12) or a strip groove, and the positioning opening (11) is arranged on the hole wall of the strip hole (12) or the wall of the strip groove.

Further, the locking member (31) includes an operation portion (312), a boss (315) extending from the operation portion (312) to the connecting sleeve (2), and an arm plate (313); the positioning part (311) is arranged on the boss (315); the clamping part (314) is arranged on the arm plate (313).

Further, the middle part of the locking piece (31) is rotatably connected with the connecting sleeve (2); the positioning part (311) is positioned at one end of the locking piece (31).

Further, the locking assembly (3) further comprises an elastic plate (33); the locking piece (31) is connected to the connecting sleeve (2) in a sliding manner, and an extrusion part (317) is arranged at one end, close to the connecting sleeve (2), of the locking piece (31); the elastic plate (33) is fixed on the connecting sleeve (2); the positioning part (311) is arranged on the elastic plate (33), and the extrusion part (317) is arranged on one side of the elastic plate (33) opposite to the positioning part (311).

Further, one end of the locking piece (31) is rotatably connected with the connecting sleeve (2); one end of the locking piece (31) which is rotationally connected with the connecting sleeve (2) is provided with a eccentric head (318); the positioning part (311) is arranged on the eccentric head (318).

Further, the locking assembly (3) further comprises a first fixing part (21) and a second fixing part (319) which are matched with each other to limit the rotation of the locking piece (31); the first fixing part (21) is connected to one end of the locking piece (31) far away from the eccentric head (318); the second fixing part (319) is connected to the connecting sleeve (2).

Further, a limiting part (310) is arranged on the locking piece (31) and used for preventing the locking piece (31) from being separated from the connecting sleeve (2).

According to the adjustable anti-hooking wrist writing corrector, the correcting piece is arranged on the connecting sleeve fixed on the arm or the wrist in a sliding mode, the relative position between the correcting piece and the connecting sleeve is fixed through the locking component, the length of the correcting piece can be customized individually, the correcting piece is pressed against the wrist when the user hooks the wrist for writing, and therefore the error posture of the hooking wrist is corrected or prevented, and the user is guided to form the correct writing posture.

Drawings

In order to more clearly illustrate the embodiments of the utility model 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 utility model, 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 an adjustable anti-hooking writing appliance according to an embodiment of the utility model.

Fig. 2 is a schematic diagram of the structure of fig. 1 from one of the side views.

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

Fig. 4 is a schematic diagram of an exploded structure of the structure of fig. 1.

Fig. 5 is a schematic structural diagram of an adjustable anti-hooking writing appliance according to a second embodiment of the present utility model.

Fig. 6 is a schematic diagram of the structure of fig. 5 from one of the side views.

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

Fig. 8 is a schematic diagram of an exploded construction of the structure of fig. 5.

Fig. 9 is a schematic structural view of a locking member according to the second embodiment.

Fig. 10 is a schematic structural diagram of an adjustable anti-hooking writing appliance according to a third embodiment of the present utility model.

Fig. 11 is a schematic diagram of the structure of fig. 10 from one of the side views.

Fig. 12 is a schematic cross-sectional view of fig. 11 along A-A.

Fig. 13 is a schematic view of an exploded construction of the structure of fig. 10.

Fig. 14 is a schematic structural diagram of an adjustable anti-hooking writing appliance according to a fourth embodiment of the present utility model.

Fig. 15 is a schematic diagram of the structure of fig. 14 from one of the side views.

Fig. 16 is a schematic cross-sectional view of fig. 15 along A-A.

Figure 17 is a schematic view of the structure of the fourth correcting member according to the embodiment assembled in the connecting sleeve.

Fig. 18 is a schematic view of an exploded construction of the structure of fig. 14.

Fig. 19 is a schematic structural view of a fourth locking member of the embodiment.

Fig. 20 is a schematic structural diagram of an adjustable anti-hooking writing appliance according to a fifth embodiment of the present utility model.

Fig. 21 is a schematic diagram of the structure of fig. 20 from one of the side views.

Fig. 22 is a schematic cross-sectional view of fig. 21 along A-A.

Fig. 23 is a schematic structural view of an adjustable anti-hooking writing appliance when unlocked.

Fig. 24 is a schematic view of an exploded construction of the structure of fig. 20.

Reference numerals illustrate:

1. a correcting member; 2. connecting sleeves; 3. a locking assembly; 4. a fixing member;

11. a positioning port; 12. a slit hole; 13. an anti-falling part;

21. a first fixing portion;

31. a locking member; 32. a reset member; 33. an elastic plate;

310. a limit part; 311. a positioning part; 312. an operation unit; 313 (316), arm plate;

314. a clamping part; 315. a boss; 317. an extrusion part; 318. a eccentric head; 319. and a second fixing part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model and the accompanying drawings. It should be noted that the described embodiments are only some embodiments of the present utility model, and 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.

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

In the description of the present utility model, 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 utility model 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 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 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 utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, 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 utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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 utility model with reference to the drawings.

The utility model provides an adjustable anti-hooking wrist writing appliance, which comprises a fixing piece 4, a correcting piece 1 extending from the wrist or the arm of a user to the palm, a connecting sleeve 2 and a locking component 3; the connecting sleeve 2 is arranged on the wrist or the arm of a user through a fixing piece 4; one end of the correcting piece 1 is connected with the connecting sleeve 2 in a sliding way, and a plurality of positioning ports 11 are arranged on the correcting piece 1; the locking component 3 is movably connected with the connecting sleeve 2, and the locking component 3 can partially extend into the connecting sleeve 2 and is matched with the positioning opening 11 to limit or release the sliding between the correcting piece 1 and the connecting sleeve 2; the locking member 31 includes a locking member 31, and a positioning portion 311 that mates with the positioning opening 11 is provided on the locking member 31. According to the adjustable anti-hooking wrist writing corrector, the correcting piece 1 is arranged on the connecting sleeve 2 fixed on an arm or a wrist in a sliding mode, and the locking component 3 interferes or releases the sliding between the correcting piece 1 and the connecting sleeve 2, so that the relative position between the correcting piece 1 and the connecting sleeve 2 is changed, and the purpose of customizing the length of the correcting piece 1 in an individualized mode is achieved.

Example 1

As shown in fig. 1-4, a preferred embodiment of an adjustable anti-hooking wrist writing appliance provided by the utility model comprises a fixing piece 4, a correcting piece 1 extending from a wrist or an arm of a user to a palm, a connecting sleeve 2 and a locking component 3; the connecting sleeve 2 is arranged on the wrist of a user through a fixing piece 4; one end of the correcting piece 1 is connected with the connecting sleeve 2 in a sliding way, and a plurality of positioning ports 11 are arranged on the correcting piece 1; the locking component 3 is movably connected with the connecting sleeve 2, and one end of the locking component 3 extends into the connecting sleeve 2 and is matched with the positioning opening 11 to keep or release the locking of the relative position between the correcting piece 1 and the connecting sleeve 2. Specifically, in this embodiment, the locking assembly 3 may slide up and down on the wall of the connecting sleeve 2, the locking assembly 3 includes a locking member 31, an outer end of the locking member 31 is in a key cap shape, and a positioning portion 311 that is matched with the positioning opening 11 is disposed at an inner end of the locking member 31, that is, an end near the connecting sleeve 2. When in use, the outer end key cap of the locking piece 31 can be grasped to push and pull, so that locking and unlocking are respectively realized.

In this embodiment, the connecting sleeve 2 is provided with a avoiding cavity to provide a movable space for the correcting element 1 to slide into one end of the connecting sleeve 2. In other embodiments, a half-open avoidance groove can be used to replace the avoidance cavity, and even the avoidance cavity or the avoidance groove is not provided, the correcting member 1 is slidably arranged on the outer surface of the connecting sleeve 2.

To achieve automatic locking, the locking assembly 3 further comprises a resetting piece 32, the resetting piece 32 being arranged between the connecting sleeve 2 and the locking piece 31. In this embodiment, preferably, the restoring member 32 is a compression spring, and two ends of the compression spring respectively abut against the inner wall of the connecting sleeve 2 and the side of the locking member 31 facing the connecting sleeve 2. In other embodiments, the usual elements of the torsion spring with a deformation return function may be used instead. The positioning part 311 can be moved out of the positioning opening 11 by pressing the outer end key cap of the locking piece 31, and the sliding interference between the two is relieved; after the correcting piece 1 is slidingly adjusted to a desired position, the key cap is released, and the positioning part 311 on the locking piece 31 is moved into the positioning opening 11 of the connecting sleeve 2 again under the action of the resetting piece 32, so that the correcting piece 1 and the connecting sleeve 2 cannot slide, and finally the aims of adjusting the length of the correcting piece 1 and limiting the length are fulfilled.

Further, the correcting member 1 is provided with a long hole 12 or a long groove, and the positioning opening 11 is arranged on the wall of the long hole 12 or the wall of the long groove. In this embodiment, the elongated hole 12 is preferably used, and a portion of the locking member 31 extends into the elongated hole 12. The positioning opening 11 is arranged on the strip hole 12 and on the opposite hole wall in a sliding mode along the correcting piece 1, the positioning part 311 is provided with two positioning clamping blocks, and a pair of positioning clamping blocks are respectively positioned on two sides of one end of the locking piece 31 extending into the connecting sleeve 2. The locating holes 12 and the symmetrically arranged locating ports 11 and locating clamping blocks can further ensure the smoothness of the correcting piece 1 sliding on the connecting sleeve 2, so that the use experience is improved, and the service life of the product is prolonged.

Further, the locking member 31 is provided with a limiting portion 310, which is used for preventing the locking member 31 from separating from the connecting sleeve 2, in this embodiment, a through hole for installing the locking member 31 is pre-provided on the upper panel of the connecting sleeve 2, the limiting portion 310 is provided on the lower edge of the key cap, preferably a circle of protruding limiting edge, and the limiting edge is matched with the hole wall of the through hole to prevent the locking member 31 from falling out of the connecting sleeve 2.

In order to prevent the correcting element 1 from slipping off the connecting sleeve 2, an anti-falling portion 13 for preventing the correcting element 1 from falling off is provided at one end of the connecting sleeve 2, and in this embodiment, the anti-falling portion 13 is a bump provided at one end of the correcting element 1 entering the connecting sleeve 2.

Working principle:

1. pressing the outer end key cap of the locking piece 31, removing the positioning part 311 from the positioning opening 11, and relieving the sliding interference between the correcting piece 1 and the connecting sleeve 2;

2. the length of the correcting piece 1 which is slidingly adjusted to a desired position;

3. the key cap is released, and the positioning part 311 on the locking piece 31 is moved into the positioning opening 11 of the connecting sleeve 2 again under the action of the resetting piece 32, so that the purpose of adjusting the length of the correcting piece 1 is achieved.

Example two

As shown in fig. 5 to 9, as a modification of the first embodiment, the locking member 31 may be slidably disposed on the connecting sleeve 2, and the locking member 31 further has a locking portion 314; the connecting sleeve 2 is provided with a clamping groove part matched with the clamping part 314, and the clamping part 314 is matched with the clamping groove part, so that the locking piece 31 is prevented from being driven to be damaged or shifted in the sliding process of the correcting piece 1.

Specifically, in the present embodiment, the lock member 31 includes an operation portion 312 outside the connection sleeve 2, a boss 315 extending from the operation portion 312 toward the connection sleeve 2, and a pair of arm plates 313; the boss 315 is located between the two arm plates 313; the positioning parts 311 are arranged on two sides of the boss 315; the retaining portion 314 is provided on the arm plate 313. The positioning opening 11 is preferably provided on the side of the correcting element 1 adjacent to the locking element 31, and the correcting element 1 is located between the two arm plates 313 after assembly. In other embodiments, which are less effective, only one arm plate 313 may be provided. In other poor embodiments, the operation rule may be changed, and the "pull-out to unlock" is changed to "push-in to unlock", so long as the positioning opening 11 is disposed on the side of the correcting element 1 facing away from the locking element 31, and correspondingly, the boss 315 of the locking element 31 passes through or bends around the correcting element 1, so that the structure is more complex.

In this embodiment, the limiting portion 310 of the locking member 31 is disposed at the lower edge of the arm plate 313, preferably a protruding limiting edge, and a limiting groove is preset in the connecting sleeve 2, and the limiting edge is matched with the limiting groove to prevent the locking member 31 from falling off the connecting sleeve 2.

Working principle:

1. an operation part 312 at the outer end of the locking piece 31 is pulled outwards to drive the positioning part 311 to move out of the positioning opening 11, so that the sliding interference between the correcting piece 1 and the connecting sleeve 2 is relieved;

2. the length of the correcting piece 1 which is slidingly adjusted to a desired position;

3. the operation part 312 is pushed towards the direction of the connecting sleeve 2, and the positioning part 311 on the locking piece 31 is moved into the positioning opening 11 of the connecting sleeve 2 again, so that the purpose of adjusting the length of the correcting piece 1 is achieved.

Example III

As a modification of the first embodiment, as shown in fig. 10 to 13, the middle part of the locking member 31 is rotatably connected to the connecting sleeve 2; the positioning part 311 is positioned at one end of the locking piece 31, and the positioning opening 11 is preferably arranged at one side of the correcting piece 1 close to the locking piece 31; the locking assembly 3 further comprises a resetting piece 32, wherein the resetting piece 32 is arranged between the connecting sleeve 2 and the locking piece 31 and is positioned at one end of the locking piece 31 away from the positioning part 311. In other embodiments, the reset element 32 may be disposed on the same side as the positioning portion 311.

In this embodiment, preferably, the restoring member 32 is a compression spring, and two ends of the compression spring respectively abut against the outer wall of the connecting sleeve 2 and the side of the locking member 31 facing the connecting sleeve 2. In other embodiments, the usual elements of the torsion spring with a deformation return function may be used instead.

Working principle:

1. pressing one end of the locking piece 31 far away from the positioning part 311, removing the positioning part 311 positioned at the other end of the locking piece 31 from the positioning opening 11 by the lever principle, and relieving the sliding interference between the correcting piece 1 and the connecting sleeve 2;

2. the length of the correcting piece 1 which is slidingly adjusted to a desired position;

3. pressing one end of the locking piece 31 above the resetting piece 32, and moving the positioning part 311 at the other end of the locking piece 31 into the positioning opening 11 of the connecting sleeve 2 again to achieve the purpose of adjusting the length of the correcting piece 1.

Example IV

As shown in fig. 14 to 19, as another embodiment, the locking assembly 3 further includes a pair of elastic plates 33, and in this embodiment, the pair of elastic plates 33 are disposed on two sides of the correcting member 1; the locking piece 31 is connected to the connecting sleeve 2 in a sliding manner, and one end of the locking piece 31, which is close to the connecting sleeve 2, is provided with an extrusion part 317; the elastic plate 33 is fixed on the connecting sleeve 2; the positioning portion 311 is disposed on the elastic plate 33, and faces to one side of the positioning opening 11, and the pressing portion 317 is disposed on one side of the elastic plate 33 facing away from the positioning portion 311. In the present embodiment, the lock member 31 has a pair of arm plates 316 respectively located outside the elastic plate 33, and the pressing portion 317 is provided inside the arm plates 316, that is, on the side close to the elastic plate 33. In other embodiments with poor effects, only one arm plate 316 and one elastic plate 33 may be provided, and a limiting plate may be provided in the connecting sleeve 2, where the limiting plate is located on the other side of the correcting element 1 corresponding to the elastic plate 33. In another embodiment, the pressing portion 317 may be disposed on the locking member 31 near the bottom end of the connecting sleeve 2, the elastic plate 33 is disposed below the locking member 31, and the positioning opening 11 is disposed on a side of the correcting member 1 facing the locking member 31.

In the present embodiment, the positioning ports 11 are preferably provided on both sides of the correcting member 1, specifically, on both sides near one face of the locking member 31.

In this embodiment, preferably, the pressing portion 317 is a protrusion with an inclined surface or an arc surface, and one end is higher and the other end is lower, and the locking member 31 can slide along the outer wall of the connecting sleeve 2, and during the sliding process, the pressing portion 317 gradually moves the positioning portion 311 into the positioning port 11, so that the sliding between the interference correcting member 1 and the connecting sleeve 2 is performed.

In this embodiment, the limiting portion 310 of the locking member 31 is disposed at the lower edge of the arm plate 316, preferably a protruding limiting edge, and a limiting groove is preset in the connecting sleeve 2, and the limiting edge is matched with the limiting groove to prevent the locking member 31 from falling out of the connecting sleeve 2.

Working principle:

1. a sliding lock member 31 for releasing the pressing portion 317 from pressing the elastic plate 33, thereby removing the positioning portion 311 from the positioning port 11 and releasing the sliding interference between the correction member 1 and the connecting sleeve 2;

2. the length of the correcting piece 1 which is slidingly adjusted to a desired position;

3. the locking piece 31 is slid in the opposite direction, so that the positioning part 311 is moved into the positioning opening 11 of the connecting sleeve 2 again, and the purpose of adjusting the length of the correcting piece 1 is achieved.

Example five

As another embodiment, as shown in fig. 20-24, one end of the locking member 31 is rotatably connected to the connecting sleeve 2, and the other end is a free end; the locking element 31 has a eccentric head 318 rotatably connected to one end of the connecting sleeve 2; the positioning part 311 is arranged at the eccentric head 318, preferably at the lower side of the eccentric head, and when in use, the free end of the locking piece 31 is rotated towards the direction of the connecting sleeve 2, and the positioning part 311 is inserted into the positioning opening 11 to interfere the sliding between the correcting piece 1 and the connecting sleeve 2; the reverse rotation locking member 31 releases the sliding lock therebetween.

In this embodiment, a plurality of positioning openings 11 are preferably provided on the correcting member 1 on a side thereof adjacent to the locking member 31.

Further, to keep the locking member 31 limited to sliding of the correcting member 1, the free end of the locking member 31 is prevented from moving away from the connecting sleeve 2 to unlock due to external force collision, and the locking assembly 3 further includes a first fixing portion 21 and a second fixing portion 319, which cooperate to limit rotation of the locking member 31. A first fixing portion 21 is provided at an end of the locking member 31 remote from the eccentric head 318; a second fixing portion 319 is provided to the connection sleeve 2. In this embodiment, the first fixing portion 21 is preferably a buckle with a hook edge, and the second fixing portion 319 is preferably a groove, in which a hanging edge matching with the hook edge is disposed. In other embodiments, the first fixing portion 21 may be a groove, and the first fixing portion 21 may be replaced by a buckle, or the first fixing portion 21 and the second fixing portion 319 may be buckle with hook edges, and the hook edges of the two may be distributed in opposite directions.

Working principle:

1. rotating the free end of the locking piece 31 in a direction away from the connecting sleeve 2, removing the positioning part 311 from the positioning opening 11, and relieving the sliding interference between the correcting piece 1 and the connecting sleeve 2;

2. the length of the correcting piece 1 which is slidingly adjusted to a desired position;

3. the locking piece 31 is rotated in the opposite direction, so that the positioning part 311 is moved into the positioning opening 11 of the connecting sleeve 2 again, and the purpose of adjusting the length of the correcting piece 1 is achieved.

According to the adjustable anti-hooking wrist writing corrector, the correcting piece is arranged on the connecting sleeve fixed on the arm or the wrist in a sliding mode, the relative position between the correcting piece and the connecting sleeve is fixed through the locking component, the length of the correcting piece can be customized in an individualized mode, the adjustable anti-hooking wrist writing corrector can be suitable for users with different palm sizes, the audience range is wider, the correcting piece can be pressed against the wrist when the user hooks the wrist, and therefore the error posture of the hooking wrist is corrected or prevented, and the user is guided to form the correct writing posture.

The above examples illustrate only one embodiment of the utility model, which is described in more detail and is not to be construed as limiting the scope of the utility model. 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 utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. An adjustable anti-hooking wrist writing appliance comprises a fixing piece (4) and a correcting piece (1) extending from a wrist or an arm to a palm of a user, and is characterized by further comprising a connecting sleeve (2) and a locking assembly (3);

the connecting sleeve (2) is arranged on the wrist or the arm of a user through the fixing piece (4);

one end of the correcting piece (1) is connected with the connecting sleeve (2) in a sliding manner, and a plurality of positioning ports (11) are arranged on the correcting piece (1);

the locking assembly (3) comprises a locking piece (31), and the locking piece (31) is movably connected with the connecting sleeve (2);

the locking piece (31) is provided with a positioning part (311) which is matched with the positioning opening (11) to limit or release the sliding between the correcting piece (1) and the connecting sleeve (2).

2. The adjustable anti-hooking device according to claim 1, characterized in that the locking element (31) is slidingly or rotatably connected to the connecting sleeve (2);

the locking assembly (3) further comprises a resetting piece (32), and the resetting piece (32) is arranged between the connecting sleeve (2) and the locking piece (31).

3. The adjustable anti-hooking writing appliance according to claim 1, characterized in that the locking element (31) is slidable in the connecting sleeve (2), the locking element (31) also having a detent (314);

the connecting sleeve (2) is provided with a clamping groove part matched with the clamping part (314).

4. An adjustable anti-hooking writing appliance according to claim 2 or 3, wherein the correcting member (1) is provided with a long hole (12) or a long groove, and the positioning opening (11) is arranged on the wall of the long hole (12) or the wall of the long groove.

5. An adjustable anti-hooking device according to claim 3, characterized in that the locking element (31) comprises an operating portion (312), a boss (315) extending from the operating portion (312) towards the connecting sleeve (2), and an arm plate (313);

the positioning part (311) is arranged on the boss (315);

the clamping part (314) is arranged on the arm plate (313).

6. The adjustable anti-hooking writing appliance according to claim 2, characterized in that the middle part of the locking element (31) is rotatably connected to the connecting sleeve (2);

the positioning part (311) is positioned at one end of the locking piece (31).

7. The adjustable anti-hooking right writing appliance according to claim 1, characterized in that the locking assembly (3) further comprises an elastic plate (33);

the locking piece (31) is connected to the connecting sleeve (2) in a sliding manner, and an extrusion part (317) is arranged at one end, close to the connecting sleeve (2), of the locking piece (31);

the elastic plate (33) is fixed on the connecting sleeve (2);

the positioning part (311) is arranged on the elastic plate (33), and the extrusion part (317) is arranged on one side of the elastic plate (33) opposite to the positioning part (311).

8. The adjustable anti-hooking writing appliance according to claim 1, characterized in that one end of the locking element (31) is rotatably connected to the connecting sleeve (2);

one end of the locking piece (31) which is rotationally connected with the connecting sleeve (2) is provided with a eccentric head (318);

the positioning part (311) is arranged on the eccentric head (318).

9. The adjustable anti-hooking right writing appliance according to claim 8, characterized in that the locking assembly (3) further comprises a first fixing portion (21) and a second fixing portion (319) cooperating with each other for limiting the rotation of the locking member (31);

the first fixing part (21) is connected to one end of the locking piece (31) far away from the eccentric head (318);

the second fixing part (319) is connected to the connecting sleeve (2).

10. The adjustable anti-hooking writing appliance according to any one of claims 1 to 3, 5 and 7, wherein the locking member (31) is provided with a limiting portion (310) for preventing the locking member (31) from being separated from the connecting sleeve (2).