A correction tape

Abstract

The present invention relates to a correction belt, comprising a correction head (4), a pulley (2) and a waste pulley (3), wherein the pulley (2) releases a belt (1), which passes over the correction head (4) and is then recovered by the waste pulley (3). The belt (1) also includes at least one drive wheel (5), which is connected to the waste pulley (3). The belt (1) between the pulley (2) and the correction head (4) passes through the drive wheel (5) and is connected to the drive wheel (5). The passing belt (1) is used to drive the drive wheel (5) to rotate, and the rotation of the drive wheel (5) drives the waste pulley (3) to rotate. During the service life of the correction belt, it is beneficial to maintain the force during use smoothly.

Description

Technical Field

[0001] This invention relates to the field of correction tape technology, and more particularly to a correction tape. Background Technology

[0002] A correction belt typically includes a correction head, a pulley, and a waste pulley. The pulley releases the belt, which is then retrieved by the waste pulley after passing over the correction head. During use, the correction head presses the belt against the surface to be covered and drags it. The belt is continuously pulled out of the pulley during this dragging operation, and the covering material is transferred from the belt to the surface. To rotate the waste pulley for belt retrieval, a gear meshing transmission structure is provided between the pulley and the waste pulley. Specifically, the pulley has a first gear, and the waste pulley has a second gear. The first and second gears mesh, thus creating a linked motion during the dragging operation. The belt is continuously pulled out of the pulley, causing the pulley to rotate. The rotation of the pulley rotates the first gear, which in turn rotates the second gear, which in turn rotates the waste pulley. This completes the entire process of the pulley releasing the belt and the waste pulley retrieving it – the process of using the correction belt.

[0003] For a long time, in order to complete the above process, the rotation of the pulley to drive the rotation of the waste pulley has been the basic structure of the correction belt, and it is also considered the current optimal structure in the industry. This design not only realizes the function, but also has a simple structure and stable and reliable transmission. Therefore, the basic structure has become the industry's mindset and is an irreplaceable part.

[0004] The applicant originally followed the aforementioned mindset and incorporated the basic structure design into existing products. The aim was to further improve the performance of the correction tape through material and / or structural optimization, such as enhancing quietness, anti-loosening properties, and coating smoothness. However, during use, the applicant discovered that as the belt in the pulley wears down, the amount of belt in the pulley decreases, requiring greater force during use. In other words, the force required during use gradually increases over the correction tape's lifespan, making it difficult to maintain stability and impacting user experience. The applicant has been unable to overcome this limitation due to the aforementioned mindset.

[0005] Therefore, the applicant has conducted continuous and in-depth research on correction belts and has obtained certain research results: 1. When the pulley is assembled in the correction belt, it has a certain tension. It cannot be too loose after assembly, otherwise it will easily sag. Due to the certain tension, the belt needs to overcome a certain rotational resistance when pulling the pulley, that is, overcome a certain resistance torque. The formula for calculating torque is force multiplied by lever arm, and resistance torque is resistance multiplied by resistance arm. As the belt is released, the distance between the belt and the pulley shaft decreases, resulting in a smaller lever arm, which in turn requires a greater force to overcome the resistance. One reason why the driving torque of the belt, which generates the correction belt, requires a greater force to drive it as it is used further is that, 2. Since the first gear and the second gear mesh, the transmission ratio does not change. Therefore, in order to maintain the transmission ratio, when the belt is released from the pulley, a certain relative rotation will occur between the belt coil of the pulley and the shaft of the pulley. This relative rotation is forced. In this case, the belt driving the pulley to rotate needs to simultaneously solve the rotation of the pulley and the rotation of the waste pulley driven by the pulley. That is, this relative rotation is superimposed on the resistance torque mentioned in 1, thus making the change in the force applied by the belt more obvious. As can be seen from the foregoing, the problem, its causes, and analysis are all quite complex. The applicant has not been able to find any other person or company in the industry to raise the above-mentioned problems, their causes, and analyses in the existing publicly available information or products. The applicant will focus on studying these issues in the hope of solving them. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings and deficiencies of the prior art and to propose a correction tape that can maintain the force during use smoothly throughout the service life of the correction tape.

[0007] To address the aforementioned technical problems, this invention proposes a correction tape, the specific technical solution of which is as follows:

[0008] This invention provides a correction belt, including a correction head, a pulley, and a waste pulley. The pulley releases the belt, which is then recovered by the waste pulley after passing over the correction head. The belt also includes at least one drive wheel and at least one mating part. The mating part is configured to engage with the circumferential surface of at least one of the drive wheels. The drive wheel is drive-connected to the waste pulley. The belt between the pulley and the correction head passes through the drive wheel and is drive-connected to it. The passing belt is confined between the mating part and the circumferential surface of the drive wheel. The passing belt drives the drive wheel to rotate, and the rotation of the drive wheel drives the waste pulley to rotate.

[0009] As an improvement, the belt is pressed against the circumferential surface of the drive wheel by the mating part, or the belt is pressed against the circumferential surface of the drive wheel by the mating part in a rolling manner.

[0010] As an improvement, the belt is elastically pressed against the circumferential surface of the drive wheel by the mating part.

[0011] As an improvement, the mating part adopts a swinging element that can swing to engage / disengage with the circumferential surface of the drive wheel.

[0012] As an improvement, the oscillating member is connected to a first elastic member, which provides an elastic force for the oscillating member to swing toward the circumferential surface of the drive wheel, and at the same time, the elastic force is used to cause the oscillating member to elastically press the passing belt onto the circumferential surface.

[0013] As an improvement, the mating part includes a guide portion and a moving portion that cooperate with each other. The moving portion can reciprocate along the guide portion, and the reciprocating movement causes the moving portion to engage with / move away from the circumferential surface of the drive wheel.

[0014] As an improvement, the moving part is connected to a second elastic element, which provides an elastic force for the moving part to move toward the circumferential surface of the drive wheel, and at the same time, the elastic force is used to make the moving part elastically press the passing belt onto the circumferential surface.

[0015] As an improvement, the belt is wound around the circumferential surface of the drive wheel and is in contact with the circumferential surface. When the belt moves, it drives the drive wheel to rotate through the contact connection.

[0016] As an improvement, the side of the belt where the non-covering layer is located is in contact with the drive wheel.

[0017] As an improvement, the drive wheel is provided with a friction-enhancing part, which is in contact with the belt.

[0018] As an improvement, the mating part or drive wheel is provided with an anti-sticking part to prevent the cover layer of the belt from sticking.

[0019] As an improvement, the transmission wheel is provided with a first gear, and the waste pulley is provided with a second gear, with the first gear and the second gear meshing together.

[0020] As an improvement, the drive pulley is located between the pulley and the waste pulley, and on the side where the pulley releases the belt.

[0021] As an improvement, the first gear and the second gear are both located on the back side of the correction belt, and the space on the front side of the correction belt serves as a space for accommodating the belt roll and the belt movement. The rotation axis of the drive wheel extends into a drive post on the front side, and the drive post is in contact with the belt.

[0022] As an improvement, the mating part is provided with a roller, which rolls into contact with the circumferential surface of the drive wheel. The belt passing through is pressed against the circumferential surface of the drive wheel by the mating part through the rolling contact.

[0023] As an improvement, a locking structure is also included, which is used to lock the pulley and the waste pulley.

[0024] As an improvement, the locking structure is linked to the correction head. The switching between the use state and the non-use state of the correction head is used to drive the switching between the unlocked state and the locked state of the locking structure. The unlocked state of the locking structure corresponds to the use state of the correction head, and the locked state of the locking structure corresponds to the non-use state of the correction head.

[0025] Compared with the prior art, the present invention has the following advantages after adopting the above structure: The present invention eliminates the basic structure of the pulley driving the waste pulley, and instead innovatively uses the belt to drive the waste pulley to rotate through the rotation of the transmission wheel. The belt is restricted between the mating part and the circumferential surface of the transmission wheel. Since it is not necessary to maintain the gear transmission ratio of the pulley driving the waste pulley, relative rotation is avoided, thus solving the factor that has the greatest impact on force changes. Furthermore, since there is no change in diameter between the belt and the transmission wheel, i.e., no change in lever arm, the force change is less obvious. In summary, the present invention helps to maintain the force stably during use throughout the service life of the correction belt. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the interior of the casing after the front side of the correction tape has been removed, as shown in Example 1.

[0027] Figure 2 for Figure 1 A schematic diagram of the interior after removing the back cover.

[0028] Figure 3 This is a schematic diagram of the interior of the casing after the front side of the correction tape has been removed in Example 2.

[0029] Figure 4 This is a schematic diagram primarily used to illustrate the directional aspects.

[0030] Figure 5 This is a schematic diagram primarily used to illustrate the locking structure.

[0031] Figure 6 for Figure 5 A diagram showing the result after removing the locking mechanism.

[0032] [Explanation of Labels in the Attached Image]

[0033] 1. Belt; 2. Pulley; 3. Waste pulley; 4. Correction head; 5. Transmission wheel; 6. Friction-increasing part; 7. Swinging component; 8. First gear; 9. Second gear; 10. Transmission column; 11. Locking component; 12. Internal gear ring; 13. Ratchet; 14. Ratchet tooth; 15. Elastic component; 16. Belt coil; 17. Third gear; 18. Guide part; 19. Moving part; 20. Second elastic component; 21. Guide groove; 22. Roller; 23. Rotating mating part. Detailed Implementation

[0034] The following description is intended to disclose the present invention and enable those skilled in the art to implement it. The embodiments described below are merely examples, and other obvious variations will arise for those skilled in the art. The basic principles of the invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the invention.

[0035] For ease of explanation and understanding, the definitions in the attached diagram are as follows. Figure 1 The side shown is defined as the front of the correction tape. Figure 6 The side shown is defined as the back side of the correction tape.

[0036] Example 1:

[0037] like Figure 1 The image shows a correction tape, including a housing, which is formed by splicing two side shells together. Figure 1 The diagram shown is an internal view of the correction strip after the front casing has been removed.

[0038] The correction belt includes a correction head 4, a pulley 2, and a waste pulley 3. The pulley 2 releases the belt 1, which is then recovered by the waste pulley 3 after passing over the correction head 4. It also includes at least one drive wheel 5 and at least one mating part. The mating part is configured to engage with the circumferential surface of at least one of the drive wheels 5. The drive wheel 5 is drive-connected to the waste pulley 3. The belt 1 between the pulley 2 and the correction head 4 passes through the drive wheel 5 and is drive-connected to the drive wheel 5. The passing belt 1 is confined between the mating part and the circumferential surface of the drive wheel 5. The passing belt 1 is used to drive the drive wheel 5 to rotate, and the rotation of the drive wheel 5 drives the waste pulley 3 to rotate.

[0039] In this example, as Figure 1 As shown, the transmission wheel 5 and the mating part are both one, as follows: Figure 2 As shown, the transmission wheel 5 is equipped with a first gear 8, and the waste pulley 3 is equipped with a second gear 9. The first gear 8 and the second gear 9 are meshed together. This design is advantageous for adapting to the limited space of the correction belt and has the advantages of simple and compact structure.

[0040] In order to ensure that the belt 1 has a good ability to drive the drive wheel 5 to rotate throughout the entire service life, the belt 1 is pressed against the circumferential surface of the drive wheel 5 by the mating part or is rolled against the circumferential surface of the drive wheel 5 by the mating part. In this way, the friction between the belt 1 and the circumferential surface of the drive wheel 5 can be enhanced, thereby improving the ability of the belt 1 to drive the drive wheel 5 to rotate. In addition, the mating part ensures that the belt 1 has a good ability to drive the drive wheel 5 to rotate throughout the entire service life.

[0041] Additionally, the passing belt 1 is elastically pressed against the circumferential surface of the drive wheel 5 by the mating part. This allows the passing belt 1 to be pressed more effectively against the circumferential surface of the drive wheel 5, and the pressure can be elastically adjusted and adaptively changed. This helps to reduce the requirement for the uniformity of the belt 1's thickness. Furthermore, the aforementioned design helps to avoid jamming and significantly improves the practicality of this application.

[0042] like Figure 1 , 2 As shown, the mating part employs a swing member 7, which can swing to engage with / remove from the circumferential surface of the transmission wheel 5. In this example, please see... Figure 1 The swing member 7 has a pivot point at the left end and a mating part at the right end that mates with the circumferential surface of the transmission wheel 5. The right end is set along the circumferential surface to form an arc-shaped mating, and the right end presses against the belt 1 that it passes through.

[0043] The counterclockwise rotation of the swing member 7 around the pivot point represents the engagement, while the clockwise rotation of the swing member 7 around the pivot point represents the disengagement. This disengagement facilitates the passage of the belt 1 for assembly, and the pressure can be adjusted by regulating the rotation, making adjustment very convenient.

[0044] To achieve the purpose of elastically pressing the belt 1 against the circumferential surface of the transmission wheel 5, the swing member 7 is connected to a first elastic element. This first elastic element provides an elastic force for the swing member 7 to swing towards the circumferential surface of the transmission wheel 5, and at the same time, this elastic force is used to make the swing member 7 elastically press the belt 1 it passes over against the circumferential surface. The first elastic element can be a torsion spring or other elastic structure.

[0045] To further simplify the structure and improve its compactness, and also to increase the contact area, in this example, the belt 1 between the pulley 2 and the correction head 4 is connected to the drive wheel 5. When the belt 1 moves, the belt 1 drives the drive wheel 5 to rotate through the contact connection.

[0046] The side of belt 1 where the non-covering layer is located is in contact with the drive wheel 5. This design helps to prevent the covering layer of belt 1 from sticking to the drive wheel 5 due to the contact connection, thereby helping to ensure the performance of belt 1.

[0047] The drive wheel 5 is equipped with a friction-enhancing part 6, which is in contact with the belt 1. This design helps to increase the contact friction force and ensures the driving effect of the belt 1 on the drive wheel 5. In this example, the friction-enhancing part 6 is a friction ring, which is sleeved on the drive column 10 of the drive wheel 5.

[0048] like Figure 1As shown, the drive pulley 5 is located between pulley 2 and waste pulley 3, and on the side where pulley 2 releases belt 1. This facilitates structural layout within the limited space of the correction belt.

[0049] The first gear 8 and the second gear 9 are both located on the back side of the correction belt. The space on the front side of the correction belt serves as a space for accommodating the belt roll 16 and the movement of the belt 1. A transmission post 10 extends from the rotation axis of the transmission wheel 5 to the front side, and this transmission post 10 contacts and connects with the belt 1. This design facilitates assembly and makes the structural layout within the limited space of the correction belt more reasonable, avoiding mutual interference.

[0050] Example 2:

[0051] like Figure 3 The image shows another type of correction tape. Compared to Embodiment 1, the main difference lies in the different mating parts. In this example, the mating parts include a guide portion 18 and a moving portion 19 that cooperate with each other. The moving portion 19 can reciprocate along the guide portion 18, and this reciprocating movement causes the moving portion 19 to engage with / move away from the circumferential surface of the transmission wheel 5. In this example, as... Figure 4 As shown, the guide part 18 adopts a guide groove 21. The guide groove 21 is a set, located on the opposite inner surfaces of the two shells respectively. The moving part 19 is sandwiched between the two guide grooves 21.

[0052] The mating parts in this example do not require swing space, resulting in a more compact structure. This is advantageous for structural arrangement in situations with limited space and is more suitable for correction zones with tight internal spaces.

[0053] In this example, the guide groove 21 is linearly designed, so that the moving part 19 can move back and forth along the guide part 18 in a straight line with a short travel distance.

[0054] like Figure 3 , 4 As shown, the movable part 19 is connected to a second elastic member 20, which provides an elastic force for the movable part 19 to move toward the circumferential surface of the drive wheel 5, and at the same time, the elastic force is used to make the movable part 19 elastically press the passing belt 1 onto the circumferential surface.

[0055] One end of the second elastic member 20 abuts against the moving part 19, and the other end of the second elastic member 20 is fixed.

[0056] The second elastic element 20 is, for example, a compression spring.

[0057] In this example, the moving part 19 is equipped with a roller 22, which rolls against the circumferential surface of the transmission wheel 5, thereby forming a rolling pressure on the circumferential surface of the transmission wheel (5). This design is more conducive to the movement of the belt 1, making it smoother, and also effectively avoids jamming. Of course, the swinging part 7 can also be equipped with a roller 22, thus having the same technical effects.

[0058] Examples 3 and 4:

[0059] A locking structure can be added to Embodiment 1 and Embodiment 2 to form Embodiment 3 and Embodiment 4. This locking structure is used to lock pulley 2 and waste pulley 3. This design helps to make pulley 2 and waste pulley 3 more stable when not in use, thereby improving performance such as anti-loosening and quietness.

[0060] In this example, the locking structure is linked to the correction head 4. The switching between the use and non-use states of the correction head 4 is used to drive the switching between the unlocked and locked states of the locking structure. The unlocked state of the locking structure corresponds to the use state of the correction head 4, and the locked state corresponds to the non-use state of the correction head 4. This design facilitates ease of use; whether the lock is engaged or disengaged is controlled by the correction head 4, making it more convenient to use.

[0061] In this example, the locking structure includes a locking element 11, which is located on the back of the correction tape. The locking element 11 is a movable plate, which includes an internal gear ring 12 and ratchet teeth 14. Since the internal gear ring 12 is on the front and not visible from the back, therefore... Figure 5 The approximate position of the internal gear ring 12 is shown only as an illustration.

[0062] The internal gear ring 12 is located on one side of the pulley 2, and the internal gear ring 12 is sleeved with the third gear 17 on the pulley 2. The diameter of the internal gear ring 12 is larger than the diameter of the third gear 17. The internal gear ring 12 and the third gear 17 are eccentrically positioned. When the correction head 4 is in use, the internal gear ring 12 and the third gear 17 are separated and unlocked. When the correction head 4 is not in use, the internal gear ring 12 is reset and engaged with the third gear 17 for locking.

[0063] The ratchet 14 is located on one side of the waste pulley 3. The waste pulley 3 is equipped with a ratchet 13 that works with the ratchet 14. When the correction head 4 is in use, the pulley 2 is unlocked, and the ratchet 13 is separated from the ratchet 14 and unlocked. When the correction head 4 is not in use, due to the locking of the pulley 2 and the one-way locking of the ratchet 14, the waste pulley 3 is also locked and cannot rotate.

[0064] The aforementioned locking structure has additional technical advantages. By using a ratchet 13 and a ratchet tooth 14 to engage on the waste pulley 3, and an internal gear ring 12 to engage with the third gear 17, the movement range of the correction head 4 can be reduced. In other words, even a small movement of the correction head 4 can reliably unlock the locking structure. At the same time, after the correction head 4 is reset, it can reliably lock. The locking structure in this example is ingenious, compact, stable, and reliable in use, and is more suitable for correction tapes.

[0065] In this example, the movable plate is linked to the correction head 4. The swinging motion of the correction head 4 drives the movable plate to move, thereby switching between the unlocked and locked states. In this example, the swinging motion of the correction head 4 causes the movable plate to rotate around the rotating mating part 23 by an angle, and the switching between the unlocked and locked states is achieved through reciprocating rotation.

[0066] In order to enable the movable plate and the correction head 4 to automatically reset, the movable plate is provided with an elastic element 15 on one side of the correction head 4. The elastic element 15 and the movable plate are integrally molded from plastic. Through the elastic force of the elastic element 15, the movable plate and the correction head 4 can automatically reset.

[0067] When understanding this invention, the above structure may be referred to other embodiments / appendices if necessary. Figure 1 And that's understood, so I won't go into details here.

[0068] The above description is merely an example of the present invention. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of this patent application are included within the scope of this patent application.

Claims

1. A correction belt, comprising a correction head (4), a pulley (2), and a waste pulley (3), wherein the pulley (2) releases a belt (1), which is recovered by the waste pulley (3) after passing over the correction head (4), characterized in that, It also includes at least one drive wheel (5) and at least one mating part, which is configured to mate with at least one of the drive wheels (5) on the circumferential surface. The drive wheel (5) is connected to the waste pulley (3). The belt (1) between the pulley (2) and the correction head (4) passes through the drive wheel (5) and is connected to the drive wheel (5) in a driving manner. The belt (1) between the pulley (2) and the correction head (4) serves as the passing belt (1). The passing belt (1) is restricted between the mating part and the circumferential surface of the drive wheel (5). The portion of the passing belt (1) between the drive wheel (5) and the correction head (4) is located below the waste pulley (3). The passing belt (1) is used to drive the drive wheel (5) to rotate. The rotation of the drive wheel (5) drives the waste pulley (3) to rotate.

2. The correction tape according to claim 1, characterized in that, The belt (1) that passes through is pressed against the circumferential surface of the transmission wheel (5) by the mating part, or the belt (1) that passes through is pressed against the circumferential surface of the transmission wheel (5) by the mating part in a rolling manner.

3. The correction tape according to claim 2, characterized in that, The belt (1) that passes through is elastically pressed against the circumferential surface of the transmission wheel (5) by the mating part.

4. The correction tape according to claim 1, characterized in that, The mating part adopts a swinging member, which can swing to engage / move away from the circumferential surface of the drive wheel (5).

5. The correction tape according to claim 4, characterized in that, The swing member is connected to a first elastic member, which provides an elastic force for the swing member to swing toward the circumferential surface of the drive wheel (5), and at the same time, the elastic force is used to make the swing member elastically press the passing belt (1) against the circumferential surface.

6. The correction tape according to claim 1, characterized in that, The mating part includes a guide part and a moving part that cooperate with each other. The moving part can reciprocate along the guide part, and the reciprocating movement causes the moving part to engage with / move away from the circumferential surface of the drive wheel (5).

7. The correction tape according to claim 6, characterized in that, The moving part is connected to a second elastic member, which provides an elastic force for the moving part to move toward the circumferential surface of the drive wheel (5), and at the same time, the elastic force is used to make the moving part elastically press the passing belt (1) against the circumferential surface.

8. The correction tape according to any one of claims 1 to 7, characterized in that, The belt (1) is wound around the circumferential surface of the drive wheel (5) and is in contact with the circumferential surface. When the belt (1) moves, the belt (1) drives the drive wheel (5) to rotate through the contact connection.

9. The correction tape according to any one of claims 1 to 7, characterized in that, The side of the belt (1) where the non-covering layer is located is in contact with the drive wheel (5).

10. The correction tape according to any one of claims 1 to 7, characterized in that, The drive wheel (5) is provided with a friction-increasing part (6), which is in contact with the belt (1).

11. The correction tape according to any one of claims 1 to 7, characterized in that, The mating part or drive wheel (5) is provided with an anti-adhesion part to prevent the covering layer of the belt (1) from sticking.

12. The correction tape according to any one of claims 1 to 7, characterized in that, The transmission wheel (5) is provided with a first gear (8), and the waste pulley (3) is provided with a second gear (9). The first gear (8) and the second gear (9) are meshed and connected.

13. The correction tape according to claim 12, characterized in that, The drive wheel (5) is located between the pulley (2) and the waste pulley (3), and is located on the side of the pulley (2) that releases the belt (1).

14. The correction tape according to claim 12, characterized in that, The first gear (8) and the second gear (9) are both located on the back side of the correction belt. The space on the front side of the correction belt serves as a space for accommodating the belt roll (16) and the movement of the belt (1). A transmission column (10) extends from the rotation axis of the transmission wheel (5) to the front side and is in contact with the belt (1).

15. The correction tape according to claim 2, 4, or 6, characterized in that, The mating part is provided with a roller (22), which rolls with the circumferential surface of the transmission wheel (5). The belt (1) passing through is pressed onto the circumferential surface of the transmission wheel (5) by the mating part through the rolling engagement.

16. The correction tape according to claim 1, characterized in that, It also includes a locking structure for locking the pulley (2) and the waste pulley (3).

17. The correction tape according to claim 15, characterized in that, The locking structure is linked to the correction head (4). The switching between the two states of the correction head (4) in use and in use is used to drive the switching between the locking structure in the two states of unlocking and locking. The unlocking state of the locking structure corresponds to the correction head (4) in use, and the locking state of the locking structure corresponds to the correction head (4) in in use.

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