CN220517867U - Mute pressing type correction tape - Google Patents

Abstract

The utility model discloses a mute pressing type correction tape which comprises a shell, an inner core, a button and a pressing mechanism, wherein the inner core is arranged in the shell and can slide forwards and backwards along the shell, the front end and the rear end of the shell are respectively provided with a correction part at the front end of the inner core and an opening through which the button movably passes, the pressing mechanism is arranged in the shell and is in linkage fit with the rear end of the inner core and the button, the pressing mechanism comprises a connecting rod, a connecting sleeve and a spring, the connecting rod is in movable sleeve joint fit with the connecting sleeve, the connecting sleeve is in connection fit with the shell, the rear end of the connecting rod is in connection fit with the inner core, a locking block is rotationally arranged at the side part of the connecting rod, and the inner side of the connecting sleeve comprises a first limiting member and a second limiting member. The press type correction tape of the present utility model is more silent when the telescopic operation is pressed.

Description

Mute pressing type correction tape

Technical Field

The utility model relates to a mute pressing type correction tape.

Background

In order to avoid damage or skin scratch caused by the front end correction part, the conventional correction tape is usually provided with a detachable cover, but the cover is easy to lose or cover up unstably. Therefore, the current popular push telescopic correction tape in the market can drive the correction part at the front end of the inner core of the correction tape to extend or retract from the shell by pushing the operation part at the rear end of the correction tape, the operation is convenient, the protection of the correction part can be realized, and the skin can be prevented from being scratched.

For example, a push type correction tape (CN 202021051440.7) disclosed in chinese patent application filed by applicant before date is composed of a casing, a tape core, a button, a push mechanism, a spring, etc., wherein the push mechanism is used to realize linkage cooperation between the button and the tape core, and the front end of the tape core can be alternately driven to extend from or retract into the casing by pressing the button.

The pressing mechanism of the pressing type correction tape in the patent adopts a common pressing mechanism on a traditional pressing telescopic core-out pen, and consists of a first rod, a second rod, a limiting structure arranged on the inner wall of a through hole of a barrel part and the like. When the pressing mechanism is pressed, collision with high speed can be generated between the first rod, the second rod and the limiting structure during matching, and certain noise can be generated.

Disclosure of Invention

The utility model provides a pressing type correction tape which is more silent when a telescopic operation is pressed.

In order to achieve the above object, the present utility model provides a silent press type correction tape,

the novel multifunctional electric heating device comprises a shell, an inner core, a button and a pressing mechanism, wherein the inner core is arranged in the shell and can slide back and forth along the shell, the front end and the rear end of the shell are provided with a correction part for the front end of the inner core and an opening for the movable penetration of the button respectively, the inner core is provided with a belt discharging wheel and a belt collecting wheel which are in linkage fit, the correction part is used for being in matched contact with a paper surface, trace on the paper surface can be corrected when dragging, the pressing mechanism is arranged in the shell and is in linkage fit with the rear end of the inner core and the button, the inner core can be driven to stretch out or retract along the opening of the front end of the shell respectively in an alternating manner through pressing the button, the pressing mechanism comprises a connecting rod, a connecting sleeve and a spring, the connecting rod is in movable sleeve joint fit with the shell, the rear end of the connecting rod is in connection fit with the inner core, the spring is used for driving the connecting rod to reset towards the rear direction of the connecting sleeve, the side part of the connecting rod is rotationally provided with a locking block, the locking block can be rotationally switched between the locking position and the unlocking position, the inner side of the connecting sleeve comprises a first limit member which can be in relative motion between the locking position and the first limit member which can be in relative position and the reset position of the second limit member.

For example, in the initial state, the locking block is positioned at the unlocking position, the correction part at the front end of the inner core of the correction tape is in a state of being retracted into the shell, when the button is pressed for the first time, the button drives the connecting rod and the inner core to move forwards relative to the shell, the connecting rod moves forwards relative to the connecting sleeve, the locking block is driven by the first limiting member to rotate to the locking position, when the button is released, the connecting rod is driven to reset backwards under the action of the spring, and at the moment, the second limiting member cooperates with the locking block to limit the backward movement of the connecting rod, so that the correction part can be kept in a state of extending out from the front end opening of the shell; when the button is pressed again, the connecting rod moves forwards relative to the connecting sleeve, the locking block is driven to rotate to the unlocking position by the first limiting member, the second limiting member does not generate a locking effect on the locking block at the unlocking position, and accordingly the connecting rod can be reset to an initial state, the altering part is retracted into the shell along the front end opening of the shell, and the process can be repeated if the button is continuously pressed.

The snap mechanism can not generate rapid collision among components in the process of driving the front end of the inner core to stretch, so that noise is not easy to generate.

Further, the connecting rod is provided with the rotor in a rotating way, the rotor comprises a connecting shaft and limiting plates arranged at two ends of the connecting shaft, the connecting rod comprises a connecting hole which is in matched rotation connection with the connecting shaft, a mounting opening is formed in the side portion of the connecting rod, the connecting shaft can be inserted into the connecting hole along the mounting opening and is in rotary connection fit with the connecting hole, the limiting plates are matched with two sides of the connecting rod to limit the axial direction of the rotor, the connecting shaft is prevented from being axially separated from the connecting hole, and the locking block is arranged on the limiting plates.

Further, the locking block comprises a driving part and a locking part which are respectively arranged at two ends of the rotating body, the first limiting member comprises a stop block arranged at the front ends of the inner walls at two sides of the connecting sleeve, the stop block positioned at one side of the inner wall is matched with the locking part to drive the locking block positioned at the unlocking position to rotate to the locking position, the stop block positioned at the other side of the inner wall is matched with the driving part to drive the locking block positioned at the locking position to rotate to the unlocking position, the second limiting member is arranged at the rear end of the inner wall at one side of the connecting sleeve, and comprises a limiting guide groove which is matched with the locking part of the locking block positioned at the unlocking position to guide and slide, so that the locking block and the connecting rod can normally return backwards relative to the connecting sleeve, and the limiting guide groove is matched with the locking part of the locking block positioned at the locking position to limit the locking position, so that the connecting rod can be prevented from moving backwards relative to the connecting sleeve.

Further, the rear end and the button grafting cooperation of connecting rod, the casing is including cup jointing portion, and the front end of adapter sleeve is pegged graft in cup jointing portion's hole, and the rear end outside of adapter sleeve has annular flange, and annular flange constitutes spacing support cooperation with cup jointing portion hole rear end outer fringe, the spring housing is established in the outside of connecting rod, and the front end cover of spring is established in the rear end outside of adapter sleeve and is cooperated with annular flange butt, and the rear end and the button butt cooperation of spring, under the effect of spring, the front end of adapter sleeve is kept pegged graft all the time in cup jointing portion's hole. The connecting sleeve, the shell, the connecting rod and the button adopting the connecting and matching mode have simple overall structure, stable force application matching and convenient assembly process.

Further, the inner core and the button are connected and fixed through a connecting bracket, the connecting bracket comprises a partition wall, two support arms arranged at intervals are arranged at the rear end of the partition wall, the end parts of the two support arms are connected with the button in a matched mode, a space for placing a sleeving part is formed between the two support arms, and the front end of the connecting bracket is connected with the inner core in a matched mode. The connecting rod passes through the indirect connection cooperation of button and inner core, can guarantee the synchronous back-and-forth movement of connecting rod and inner core.

Further, the front end of the partition wall is provided with an extension arm which is connected with the side part of the inner core in a matched manner, the partition wall and the rear end of the inner core form limit matching along the front-rear direction, the side part of the inner core is provided with a limit part, the end part of the extension arm and the limit part of the side part of the inner core form limit matching along the front-rear direction, one side of the extension arm, corresponding to the inner core, of the extension arm is provided with a notch, an opening is formed in the edge of the side part of the extension arm in an extending manner, and the side part of the inner core is provided with a bump which can be placed into the notch along the opening.

Adopt above-mentioned connection structure between linking support and the inner core, simple structure, simple to operate can reduce the occupation to the space, can also improve the connection reliability who links up support and inner core in addition.

Further, protrusions are arranged on the side portions of the inner core at positions corresponding to the belt wheels, and through grooves matched with the protrusions in sliding mode are formed in the side portions of the shell. The sliding effect between the inner core and the shell can be improved through the guiding cooperation of the bulge and the through groove, and the bulge is arranged at the position corresponding to the belt wheel of the inner core, so that the whole volume of the correction tape is reduced.

In another scheme, the rear end of inner core is provided with the connecting seat, and the front end of connecting rod is provided with and constitutes lateral grafting location complex connector with the connecting seat, connector and connecting seat constitute connecting rod and inner core along the spacing cooperation of fore-and-aft direction after connecting, adopt lateral grafting mode between connecting seat and the connector, simple structure, the dismouting is comparatively convenient. In addition, when the button is pressed, the connecting rod and the inner core can be sequentially driven to move forwards, and when the button is released, the spring can sequentially drive the button, the connecting rod and the inner core to reset backwards.

In another scheme, at least one side of inner core is provided with first spout, and the front end of first spout has the direction insert portion of slope, the inner wall of casing corresponds to be provided with first spout cooperation direction gliding first protruding muscle, and the setting of direction insert portion can be with first protruding muscle direction insert in the first spout, simple structure, easy to assemble reduces the requirement to part machining precision. Through the sliding fit of first spout and first protruding muscle, improve the sliding fit effect between inner core and the casing, reduce the rocking of inner core.

Further, one side of the inner core is provided with a first sliding groove, one side of the inner wall of the shell is provided with a first convex rib, the other side of the inner core is correspondingly provided with a U-shaped second convex rib, the front end of the second convex rib is provided with a circular arc section, and the inner wall of the other side of the shell is provided with two third convex ribs matched with two sides of the second convex rib to guide and slide. The arc section of the front end of the second convex rib of the U shape has guiding insertion effect when the second convex rib is inserted between the two third convex ribs, and different guiding sliding structures are adopted between the two sides of the inner core and the inner walls of the two sides of the shell, so that the problem of reverse installation of the inner core can be avoided.

The beneficial effects of the utility model are as follows: the mute pressing type correction tape disclosed by the utility model has a simple structure, and a user can drive the front end of the inner core of the correction tape to stretch and retract by pressing a button, so that obvious noise is not generated, and the mute pressing type correction tape is more mute in use.

Drawings

FIG. 1 is a block diagram of an embodiment of the present utility model;

FIG. 2 is an exploded view of the housing of the present utility model;

FIG. 3 is a cross-sectional view of an embodiment of the present utility model;

FIG. 4 is a schematic view showing the connection structure of the inner core, the connection bracket, the pressing mechanism and the button according to the embodiment of the present utility model;

FIG. 5 is a schematic view of the installation of a splice holder and core of an embodiment of the present utility model 1;

FIG. 6 is a schematic view of the installation of the splice holder and core of the present embodiment 2;

FIG. 7 is a schematic diagram of a principle of a pressing mechanism according to an embodiment of the present utility model 1;

FIG. 8 is a schematic diagram of a principle of a pressing mechanism according to an embodiment of the present utility model 2;

FIG. 9 is a schematic view illustrating the installation of a rotor according to an embodiment of the present utility model;

FIG. 10 is a connection diagram of a connecting rod and an inner core according to another embodiment of the present utility model;

FIG. 11 is a block diagram of a core according to another embodiment of the present utility model;

FIG. 12 is a view showing the structure of the inner wall of one side of the housing according to another embodiment of the present utility model;

fig. 13 is a view showing the construction of the inner wall of the other side of the housing according to another embodiment of the present utility model.

Detailed Description

Embodiments of the silent snap bands of the present utility model are shown in fig. 1-9: the inner core 2 is arranged in the shell 1 and can slide back and forth along the shell 1, the front end and the rear end of the shell 1 are respectively provided with a correction part 21 for the front end of the inner core 2 and openings (11, 12) for the movable penetration of the button 3, the inner core 2 is provided with a belt outlet wheel 22 and a belt collecting wheel 23 which are in linkage fit, the correction part 21 is used for being in fit contact with a paper surface, the trace on the paper surface can be corrected during dragging, the pressing mechanism 3 is arranged in the shell 1 and is in linkage fit with the rear end of the inner core 2 and the button 3, the inner core 2 can be driven to extend or retract along the front end opening 11 of the shell 1 respectively in an alternating mode through pressing the button 3, the pressing mechanism 4 comprises a connecting rod 41, a connecting sleeve 42 and a spring 43, the connecting rod 41 is in movable sleeve fit with the connecting sleeve 42, the connecting sleeve 42 is in connection fit with the shell 1, the rear end of the inner core 2 and the spring 43 are used for driving the connecting rod 41 to move towards the rear side of the connecting sleeve 42, the reset side part of the connecting sleeve is opposite to the paper surface, the reset side part is capable of being locked, and the reset side part 44 is capable of being locked at the position 44 and locked relative to the locking position of the connecting rod 41, and the locking position 44 can be locked at the position of the locking position of the connecting rod 41.

For example, in the initial state, the locking block 44 is located at the unlocking position, the altering part 21 at the front end of the inner core 2 of the altering tape is in a state of being retracted into the casing 1, when the button 3 is pressed for the first time, the button 3 drives the connecting rod 41 and the inner core 2 to move forwards relative to the casing 1, the connecting rod 41 moves forwards relative to the connecting sleeve 42, the locking block 44 is driven by the first limiting member to rotate to the locking position, when the button 3 is released, the connecting rod 41 is driven to reset backwards under the action of the spring 43, and at the moment, the second limiting member cooperates with the locking block 44 to limit the backward movement of the connecting rod 41, so that the altering part 21 can be kept in a state of extending out from the front end opening of the casing 1; when the button 3 is pressed again, the connecting rod 41 moves forward relative to the connecting sleeve 42, the locking block 44 is driven to rotate to the unlocking position by the first limiting member, and the second limiting member does not have a locking effect on the locking block 44 at the unlocking position, so that the connecting rod 41 can be reset to an initial state, the altering part 21 is retracted into the casing 1 along the front end opening of the casing 1, and the process can be repeated if the button 3 is continuously pressed. In the process of driving the front end of the inner core 2 to stretch, the parts of the inner core do not collide quickly, so that noise is not easy to generate.

In this embodiment, the connecting rod 41 is rotatably provided with a rotator, the rotator includes a connecting shaft 451 and limiting discs 452 disposed at two ends of the connecting shaft 451, the connecting rod 41 includes a connecting hole 411 rotatably connected with the connecting shaft 451, a mounting hole is formed on a side portion of the connecting rod 41 in the connecting hole 411, the connecting shaft 451 can be inserted into the connecting hole 411 along the mounting hole and is in rotary connection with the connecting hole 411, the limiting discs 451 cooperate with two sides of the connecting rod 41 to limit an axial direction of the rotator, the connecting shaft 451 is prevented from being axially separated from the connecting hole 411, and the locking block 44 is disposed on the limiting discs 452. In order to prevent the connection shaft 451 from shaking radially along the connection rod 41, wedge-shaped stop blocks are provided on both inner side walls adjacent to the mounting port, so that the connection shaft 451 can be restrained in the depth of the connection hole 411.

The locking block 44 includes a driving portion 441 and a locking portion 442 respectively disposed at two ends of the rotor, the driving portion 441 and the locking portion 442 are bar-shaped ribs, the bar-shaped ribs forming the driving portion 441 and the locking portion 442 are respectively disposed to extend in different directions, and are not in parallel, the first limiting member includes a stop block (51, 52) disposed at front ends of two inner walls of the connecting sleeve 42, the stop block 51 disposed at one inner wall cooperates with the locking portion 442 to drive the locking block 44 disposed at the non-locking position to rotate to the locking position, the stop block 52 disposed at the other inner wall cooperates with the driving portion 441 to drive the locking block 44 disposed at the locking position to rotate to the non-locking position, the second limiting member is disposed at a rear end of one inner wall of the connecting sleeve 42, and includes a limiting guide groove 53, the limiting guide groove 53 cooperates with the locking portion 442 of the locking block disposed at the non-locking position, so that the locking block 44 and the connecting rod 41 can normally reset backward relative to the connecting sleeve 42, and the limiting guide groove 53 cooperates with the locking portion 442 of the locking block 44 disposed at the locking position to rotate to the non-locking position to the connecting sleeve 41.

As shown in fig. 7 and 8, fig. 7 shows an inner wall of one side of the connecting sleeve 42, fig. 8 shows an inner wall of the other side of the connecting sleeve 42, when the locking block 44 moves forward and makes the locking portion 442 and the stop block 51 contact (i.e. in a position a), the stop block 51 drives the locking portion 442 to rotate, so that the locking portion 442 in a vertical state is rotated to be in a transverse state, and when the locking block 44 is driven by the spring 43 to reset and move backwards to the position of the limiting guide groove 53, the locking block 44 is limited by the limiting guide groove 53, so that locking (i.e. in a position b) is realized; when the locking block 44 moves forward again, the driving portion 441 contacts with the stopper 52 (i.e. is at the c position), and the stopper 52 causes the driving portion 441 to rotate, so that the locking portion 442 that is in the transverse state is rotated to the vertical state again, and the locking portion 442 in the vertical state can be inserted into the limit guide groove 53, thereby achieving unlocking. Since the bar-shaped ribs forming the driving portion 441 and the locking portion 442 are respectively extended in different directions, the stopper 51 does not interfere with the driving portion 441 in the process of causing the locking portion 442 to rotate by a simple structural design, and similarly, the stopper 51 does not interfere with the locking portion 442 in the process of causing the driving portion 441 to rotate by the stopper 52.

The rear end of the connecting rod 41 is in plug-in fit with the button 3, the shell 1 comprises a sleeve joint part 13, the front end of the connecting sleeve 42 is plugged in an inner hole of the sleeve joint part 13, an annular flange 421 is arranged on the outer side of the rear end of the connecting sleeve 42, the annular flange 421 and the outer edge of the rear end of the inner hole of the sleeve joint part 13 form limit support fit, the spring 43 is sleeved on the outer side of the connecting rod 41, the front end of the spring 43 is sleeved on the outer side of the rear end of the connecting sleeve 42 and is in butt-joint fit with the annular flange 421, the rear end of the spring 43 is in butt-joint fit with the button 3, and the front end of the connecting sleeve 42 is always kept plugged in the inner hole of the sleeve joint part 13 under the action of the spring 43. The connecting sleeve 42, the shell 1, the connecting rod 41 and the button 3 adopting the connecting and matching mode have simple overall structure, stable force application matching and convenient assembly process.

As shown in fig. 3, 5 and 6, the inner core 2 and the button 3 are connected and fixed by the connecting bracket 6, the connecting bracket 6 comprises a partition wall 61, two support arms 62 arranged at intervals are arranged at the rear end of the partition wall 61, the end parts of the two support arms 62 are matched with the button 3 in a clamping manner, a space for placing the sleeving part 13 is formed between the two support arms 62, the front end of the connecting bracket 6 is connected with the inner core 2 in a matching manner, and the connecting structure is simple and convenient to install. The connecting rod 41 is indirectly connected and matched with the inner core 2 through the button 3, so that synchronous back and forth movement of the connecting rod 41 and the inner core 2 can be ensured. The front end of the partition wall 61 is provided with an extension arm 63 which is connected with the side part of the inner core 2 in a matched manner, the front end of the extension arm 63 is provided with a clamping block 631, the partition wall 61 and the rear end of the inner core 2 form limit matching along the front-rear direction, the side part of the inner core 2 is provided with a limit part 24, the limit part 24 is a stepped groove, the clamping block 631 is embedded in the stepped groove and forms limit matching with the inner wall of the stepped groove, the connection bracket 6 and the inner core 2 form limit matching along the front-rear direction through the clamping block 631 and the partition wall 62, one side of the extension arm 63 corresponding to the inner core 2 is provided with a notch 632, the edge of the side part of the extension arm 63 is provided with an opening, and the side part of the inner core 2 is provided with a lug 25 which can be placed into the notch 632 along the opening.

Adopt above-mentioned connection structure between linking support 6 and the inner core 2, simple structure, simple to operate can reduce the occupation to the space, can also improve the connection reliability that links up support 6 and inner core 2 in addition.

The side part of the inner core 2 is provided with a protrusion 26 at a position corresponding to the belt wheel, and the side part of the shell 1 is provided with a through groove 14 which is matched with the protrusion 26 to slide. The sliding effect between the core 2 and the housing 1 can be enhanced by the guiding engagement of the projection 26 and the through groove 14, the projection 26 being provided at a position corresponding to the exit pulley 23 of the core 2 (as shown in fig. 3), which is advantageous in reducing the overall volume of the correction tape.

Another embodiment of the silent snap type correction tape of the present utility model, shown in fig. 10-13, differs from the previous embodiment in the transmission structure between the core 2 and the push button 3, and in the sliding connection structure between the core and the housing, specifically:

the rear end of inner core 2 is provided with connecting seat 25, and connecting rod 41's front end is provided with and constitutes lateral grafting location complex connector 412 with connecting seat 25, connector 412 and connecting seat 25 constitute connecting rod 41 and inner core 2 along the spacing cooperation of fore-and-aft direction after the connection, adopt lateral grafting mode between connecting seat 25 and the connector 412, simple structure, the dismouting is comparatively convenient. Because the button is fixed with the rear end grafting of connecting rod 41, when pressing the button, can drive connecting rod 41, inner core 2 forward motion in proper order, when loosening the button, the spring can drive button, connecting rod 41, inner core 2 backward reset motion in proper order.

By adopting the transmission connection structure, a connecting bracket does not need to be configured, the structure is simple, the assembly is convenient, and parts are fewer.

In addition, the front portions of two sides of the inner core 2 are respectively provided with a first chute 26, the front ends of the first chute 26 are provided with inclined guiding insertion parts 261, the front portions of two sides of the inner wall of the shell 1 are correspondingly provided with first convex ribs 15 matched with the first chute 26 to guide and slide, the guiding insertion parts 261 can guide and insert the first convex ribs 15 into the first chute 26, the structure is simple, the installation is convenient, and the requirements on the machining precision of components are reduced. Through the sliding fit of the first sliding groove 26 and the first convex rib 15, the sliding fit effect between the inner core 2 and the shell 1 is improved, and the shaking of the inner core 2 is reduced.

In addition, a first chute 26 is also arranged at the rear part of one side of the inner core 2, a first convex rib 15 is arranged at one side of the inner wall of the shell 1, a U-shaped second convex rib 27 is correspondingly arranged at the rear part of the other side of the inner core 2, a circular arc section 271 is arranged at the front end of the second convex rib 27, and two third convex ribs 16 which are matched with two sides of the second convex rib 27 to guide and slide are arranged on the inner wall of the other side of the shell 1. The arc section 271 of the front end of the second convex rib 27 has guiding insertion effect when the second convex rib 27 is inserted between the two third convex ribs 16, and different guiding sliding structures are adopted between the two sides of the inner core 2 and the inner walls of the two sides of the shell 1, so that the problem of reverse assembly of the inner core 2 can be avoided.

The above embodiment is only one of the preferred embodiments of the present utility model, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.

Claims (10)

1. The utility model provides a silence is pressed formula correction tape, includes casing, inner core, button, pressing mechanism, and the inner core setting is in the casing and can slide along the casing front and back, and the front and back end of casing is provided with the correction portion that supplies the inner core front end respectively, the opening that the button activity was worn to establish, pressing mechanism setting in the casing and with the rear end and the button linkage cooperation of inner core, its characterized in that: the pressing mechanism comprises a connecting rod, a connecting sleeve and a spring, wherein the connecting rod and the connecting sleeve form movable sleeve connection and match, the connecting sleeve and the shell form connection and match, the rear end of the connecting rod and the inner core form connection and match, the spring is used for driving the connecting rod to reset towards the rear direction far away from the connecting sleeve, a locking block is rotationally arranged on the side part of the connecting rod, the locking block can be rotationally switched between a locking position and an unlocking position, the inner side of the connecting sleeve comprises a first limiting member and a second limiting member, the first limiting member can be used for driving the locking block to rotationally switch between the locking position and the unlocking position when the connecting rod moves forwards relative to the connecting sleeve, and the second limiting member can be in limiting fit with the locking block at the locking position when the connecting rod resets backwards relative to the connecting sleeve.

2. The silent press correction tape according to claim 1, wherein: the connecting rod is provided with the rotor through rotation, the rotor comprises a connecting shaft and limiting plates arranged at two ends of the connecting shaft, the connecting rod comprises a connecting hole in matched rotation connection with the connecting shaft, an installation opening is formed in the side portion of the connecting rod through the connecting hole, the limiting plates are matched with two sides of the connecting rod to limit the axial direction of the rotor, and the locking blocks are arranged on the limiting plates.

3. The silent press correction tape according to claim 2, wherein: the locking block comprises a driving part and a locking part which are respectively arranged at two ends of the rotating body, the first limiting member comprises a stop block arranged at the front ends of two side inner walls of the connecting sleeve, the stop block positioned at one side inner wall is matched with the locking part to drive the locking block positioned at the unlocking position to rotate to the locking position, the stop block positioned at the other side inner wall is matched with the driving part to drive the locking block positioned at the locking position to rotate to the unlocking position, the second limiting member is arranged at the rear end of one side inner wall of the connecting sleeve and comprises a limiting guide groove, and the limiting guide groove slides in a matched guide manner with the locking part of the locking block positioned at the unlocking position and is matched with the locking part of the locking block positioned at the locking position to limit.

4. The silent press correction tape according to claim 1, wherein: the rear end of connecting rod is pegged graft and is cooperated with the button, the casing is including cup jointing portion, and the front end of adapter sleeve is pegged graft in cup jointing portion's hole, and the rear end outside of adapter sleeve has annular flange, and annular flange constitutes spacing support cooperation with cup jointing portion hole rear end outer fringe, the spring housing is established in the outside of connecting rod, and the front end cover of spring is established in the rear end outside of adapter sleeve and is cooperated with annular flange butt, the rear end and the button butt cooperation of spring.

5. The silent press correction tape according to claim 4, wherein: the inner core and the button are connected and fixed through the connecting support, the connecting support comprises a partition wall, two support arms arranged at intervals are arranged at the rear end of the partition wall, the end parts of the two support arms are connected with the button in a matched mode, a space for placing the sleeving part is formed between the two support arms, and the front end of the connecting support is connected with the inner core in a matched mode.

6. The silent press correction tape according to claim 5, wherein: the front end of the partition wall is provided with an extension arm which is connected with the side part of the inner core in a matched manner, the partition wall and the rear end of the inner core form limit fit along the front-rear direction, the side part of the inner core is provided with a limit part, the end part of the extension arm and the limit part of the side part of the inner core form limit fit along the front-rear direction, one side of the extension arm, corresponding to the inner core, of the extension arm is provided with a notch, an opening is formed in the edge of the side part of the extension arm in an extending manner, and the side part of the inner core is provided with a convex block which can be placed into the notch along the opening.

7. The silent press correction tape according to claim 1, wherein: the lateral part of inner core is provided with the arch in the band pulley position that corresponds, the casing lateral part is provided with the logical groove that cooperates the slip with the arch.

8. The silent press correction tape according to claim 4, wherein: the rear end of inner core is provided with the connecting seat, and the front end of connecting rod is provided with and constitutes lateral grafting location complex connector with the connecting seat, connector and connecting seat constitute the spacing cooperation of connecting rod and inner core along fore-and-aft direction after the connection.

9. The silent press correction tape according to claim 1, wherein: at least one side of the inner core is provided with a first chute, the front end of the first chute is provided with an inclined guiding insertion part, and the inner wall of the shell is correspondingly provided with a first convex rib matched with the first chute to guide and slide.

10. The silent press correction tape according to claim 9, wherein: one side of the inner core is provided with a first sliding groove, one side of the inner wall of the shell is provided with a first convex rib, the other side of the inner core is correspondingly provided with a U-shaped second convex rib, the front end of the second convex rib is provided with a circular arc section, and the inner wall of the other side of the shell is provided with two third convex ribs matched with two sides of the second convex rib to guide and slide.