CN115303868A - Handheld tape-stripping device - Google Patents

Abstract

The invention discloses a hand-held adhesive tape sticking device, which comprises: a housing having an accommodating chamber and a tape outlet; the adhesive tape supporting wheel is rotatably arranged in the accommodating cavity; the cutting mechanism is provided with a cutting knife movably arranged in the accommodating cavity, a feeding roller shaft arranged opposite to the cutting knife and rotatably arranged in the accommodating cavity, and a driving mechanism; the cutting knife is provided with a first position which is matched with the feeding roller shaft to cut the adhesive tape and a second position which is arranged at intervals with the feeding roller shaft, and the driving mechanism drives the feeding roller shaft to rotate towards the feeding direction when the cutting knife moves from the first position to the second position. According to the handheld adhesive tape sticking device disclosed by the embodiment of the invention, through the arrangement of the driving mechanism, the cutting knife drives the feeding roller to rotate in the axial feeding direction when the cutting knife is reset after cutting is finished so as to realize the extension of a tape from the outlet of the adhesive tape, so that the next use of the adhesive tape is conveniently realized.

Description

A hand-held adhesive tape sticking device

technical field

The invention relates to the technical field of tape sticking devices, in particular to a hand-held tape sticking device.

Background technique

In order to prevent the door body of the refrigerator from being opened from the box body during the packaging process of the refrigerator, it is necessary to glue the door body of the refrigerator and the box body of the refrigerator together with an adhesive tape. During the bonding process, the tape will be sealed along the gap between the door and the box, that is, the moving direction of the tape roll is consistent with the extending direction of the gap between the door and the box, and the tape will Completely seal the gap between the door body and the box body with tape.

Although the hand-held adhesive tape sticking device in the prior art can realize the cutting of the tape conveniently, it cannot solve the problem of tape retraction after cutting, which affects the next use of the tape roll. When sticking the door body and the box body with tape, how to realize the cutting of the tape conveniently and ensure that the tape head after cutting does not retract is a problem that needs to be solved.

How to ensure that the pasted tapes are neatly arranged in the direction of extension to improve the aesthetics after pasting is a problem that needs to be solved.

Contents of the invention

The purpose of the present invention is to provide a hand-held adhesive tape sticking device to solve the deficiencies in the prior art. It can make the cutting knife drive the feed roller to rotate in the axial feeding direction when the cutting knife is reset and moved to realize the winding tape from the adhesive tape. The extension of the outlet facilitates the next use of the adhesive tape.

The invention provides a hand-held adhesive tape sticking device, comprising:

The housing has an accommodating cavity and an adhesive tape outlet;

The tape support wheel is rotatably installed in the accommodating cavity;

The cutting mechanism has a cutting knife movably arranged in the accommodating cavity, a feeding roller shaft and a driving mechanism arranged opposite to the cutting knife and rotatably installed in the accommodating cavity;

The cutting knife has a first position cooperating with the feeding roller to cut the adhesive tape, and a second position spaced apart from the feeding roller. When the cutting knife moves from the first position to the second position, The driving mechanism drives the feeding roller shaft to rotate in the feeding direction.

Further, the driving mechanism includes a driving rack linked with the cutting knife and a driving gear coaxially arranged on the feeding roller shaft, and the driving rack meshes with the driving gear.

Further, the drive gear has a gear body that is rotatably connected to the feed roller shaft and meshed with the drive rack, and a limit mechanism arranged on the gear body, and the limit mechanism is set to During the movement of the cutting knife from the first position to the second position, the relative rotation between the gear body and the feeding roller is restricted.

Further, the limit mechanism includes a ratchet connected and fixed to the gear body and a pawl arranged on the feed roller shaft; the ratchet is provided with an inner ring gear, and the pawl is rotatably installed On the feed roller shaft; the limit mechanism also has an elastic member that drives the pawl to be positioned in the tooth groove of the inner ring gear.

Further, a transmission assembly is provided between the drive rack and the drive gear, and the transmission assembly includes a first gear and a second gear that mesh with each other, and the first gear meshes with the drive rack, so The second gear meshes with the driving gear, and the size of the first gear and the second gear are larger than the driving gear.

Further, the cutting mechanism also has a cutting support frame rotatably installed in the accommodating cavity, the cutting knife is fixed on the cutting support frame, and the driving rack is fixed on the Cut out the curved racks on the support frame.

Further, the cutting mechanism also has a reset member and a joystick connected and fixed to the cutting support frame and extending outwards out of the accommodating cavity;

The casing is provided with an arc-shaped sliding hole adapted to the joystick, and the reset member is a tension spring connected between the cutting support frame and the casing.

Further, the hand-held adhesive tape sticking device also has a pinch roller shaft arranged in the accommodating chamber and located at the outlet of the tape, and the pinch roller shaft is rotatably mounted on the housing through a pinch rotating shaft ; The rotation axis of the cutting support frame is set coaxially with the pressing rotation axis.

Further, the feeding roller shaft is provided with a plurality of cutting grooves adapted to the cutting knife, and there are a plurality of cutting grooves, and the plurality of cutting grooves are arranged in a ring on the feeding on the roller.

Further, the tape supporting wheel has a main body, a telescopic rod and a compression spring that are movably arranged along the radial direction of the main body, and a positioning hole matching the telescopic rod is provided on the main body, The compression spring is positioned in the positioning hole and connected and fixed with the telescopic rod.

Compared with the prior art, in the hand-held adhesive tape pasting device disclosed in the embodiment of the present invention, through the setting of the driving mechanism, the cutting knife drives the feeding roller to rotate in the axial direction of feeding when the cutting knife resets and moves after the cutting is completed, so as to realize the winding of the tape from the adhesive tape. The extension of the outlet facilitates the next use of the adhesive tape.

Description of drawings

Fig. 1 is a schematic view of the structure of the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention when it is in use;

Fig. 2 is a schematic diagram of the first structure of the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the second structure of the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 4 is a schematic view of the structure of the cutting knife in the second position in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 5 is a schematic structural view of the cutter at the first position in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 6 is a schematic diagram of the internal structure of the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 7 is a schematic structural view of the housing in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 8 is a schematic structural view of the cutting mechanism in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 9 is a schematic diagram of the first structure of the feeding roller in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 10 is a second structural schematic view of the feed roller in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 11 is a schematic diagram of the assembly structure of the ratchet and the pawl in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 12 is a schematic structural view of the drive gear in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 13 is a schematic structural view of the tape support wheel in the handheld tape sticking device disclosed in the embodiment of the present invention;

Fig. 14 is a schematic diagram of the internal structure of the tape support wheel in the handheld tape sticking device disclosed in the embodiment of the present invention;

Fig. 15 is a schematic diagram of the first structure of the moving guide mechanism in the hand-held adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 16 is a second structural schematic diagram of the moving guide mechanism in the handheld adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 17 is a front view of the moving guide mechanism in the handheld adhesive tape sticking device disclosed in the embodiment of the present invention;

Fig. 18 is a schematic diagram of the third structure of the mobile guide mechanism in the handheld adhesive tape sticking device disclosed in the embodiment of the present invention;

Explanation of reference signs: 1-housing, 10-accommodating chamber, 11-tape outlet, 12-arc slide hole, 13-avoidance groove, 2-tape support wheel, 21-body part, 210-positioning hole, 22 -telescopic rod, 221-protruding section, 222-positioning section, 223-limiting shoulder, 23-compression spring,

3-cutting mechanism, 31-cutting knife, 32-feeding roller shaft, 321-cutting groove, 322-partition, 33-driving mechanism, 331-driving rack, 332-driving gear, 333-gear body, 334-ratchet, 3341-cog, 3342-limiting wall, 3343-sliding wall, 335-pawl, 336-elastic member, 337-first gear, 338-second gear,

34-cutting support frame, 341-support frame rotating shaft, 342-first support wall, 343-second support wall, 344-connector, 35-joystick, 36-resetting part,

4- pinch roller, 5- guide roller,

6-moving guide mechanism, 61-base, 611-sliding hole, 62-guide unit, 621-upper guide, 622-lower guide, 6221-guide body, 6222-guide roller, 623- Auxiliary lower guide, 624-auxiliary upper guide,

63-adjusting unit, 631-adjusting block, 6310-threaded hole, 6311-connecting plate, 6312-bump, 632-first support rod, 633-second support rod, 634-first connecting rod, 635-second Connecting rod, 636-bracket, 637-bolt,

100-door body, 200-box body, 300-gap part.

Detailed ways

The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

Embodiments of the present invention: as shown in FIGS. 1-7 , a hand-held adhesive tape sticking device is disclosed, including: a housing 1 , an adhesive tape supporting wheel 2 and a cutting mechanism 3 . The housing 1 has an accommodating chamber 10 and a tape outlet 11; the tape support wheel 2 is rotatably installed in the accommodating chamber 10; the tape support wheel 2 is used to place a tape roll, and the tape roll is positioned behind the tape support wheel 2 And rotate synchronously with the adhesive tape support wheel 2, the free end of the adhesive tape on the adhesive tape roll extends from the adhesive tape outlet 11, and drives the adhesive tape support wheel 2 to rotate in the process of constantly stretching outwards along with the adhesive tape. Cutting mechanism 3 is used for cutting and stretching the adhesive tape of predetermined length. The hand-held adhesive tape sticking device adopting the above method can realize the cutting of the adhesive tape conveniently.

It is not difficult to cut the tape in the prior art, but how to keep the free end of the tape roll from retracting into the housing 1 after the tape is cut is a problem to be solved. Since the tape head after cutting generally falls under the action of gravity so that the end of the free end of the tape is retracted into the accommodating cavity 10 of the housing 1, it will not change when the tape is used next time.

In order to solve the above problems, the cutting mechanism 3 disclosed in this embodiment has a cutting knife 31 that is movably arranged in the accommodating cavity 10 , is arranged opposite to the cutting knife 31 and is rotatably installed in the accommodating cavity 10 The feeding roller shaft 32 and the driving mechanism 33. Simultaneously, described cutting knife 31 has the first position that cooperates with feeding roller shaft 32 to cut tape, and the second position that is spaced apart from feeding roller shaft 32, described cutting knife 31 moves from first position to During the second position, the driving mechanism 33 drives the feeding roller shaft 32 to rotate in the feeding direction. It should be noted that the feeding direction refers to that when the driving mechanism 33 drives the feeding roller shaft 32 to rotate, it can drive the tape to move toward the tape outlet 11 so that the free end of the tape can extend out of the tape outlet.

In the hand-held tape pasting device disclosed in this embodiment, through the setting of the driving mechanism 33, the cutting knife 31 drives the feeding roller shaft 32 to rotate in the feeding direction when the cutting knife 31 resets and moves after the cutting is completed, so as to realize the extension of the tape from the tape outlet 11. , so as to facilitate the next use of the tape.

The cutting mechanism 3 is also provided with a cutting support frame 34 for installing and fixing the cutting knife 31, and the cutting support frame 34 is rotatably installed in the accommodating cavity 10, and the cutting knife 31 Fixed on the cutting support frame 34. Specifically, as shown in FIG. 8, the cutting support frame 34 has a support frame rotating shaft 341 arranged on the opposite inner side walls of the housing 1, and a first supporting wall rotatably connected with the support frame rotating shaft 341. 342 , the second support wall 343 rotatably connected to the support frame shaft 341 and the connection shaft 344 connected between the first support wall 342 and the second support wall 343 . The cutting knife 31 is respectively connected and fixed to the first support wall 342 and the second support wall 343 . The upper end of the first supporting wall 342 is provided with a connecting ring sleeved on the outside of the supporting frame rotating shaft 341, and the connecting ring is in clearance fit with the supporting frame rotating shaft 341 to realize the connection between the first supporting wall 342 and the supporting frame rotating shaft 341. Can be rotated relatively. Correspondingly, the second supporting wall 343 can also be sleeved on the supporting frame rotating shaft 341 through a connecting ring to achieve rotational cooperation with the supporting frame rotating shaft 341 .

The cutting support frame 34 is centered on the support frame rotating shaft 341 and can rotate in the accommodating cavity 10. Since the cutting knife 31 is fixed on the cutting support frame 34, the cutting knife 31 will follow the rotation of the cutting support frame 34. And activities. The cutting knife 31 moves between the first position and the second position. In the first position, the cutting knife 31 cooperates with the feeding roller 32 to realize the cutting of the adhesive tape. At this time, the cutting knife 31 is attached to the feeding roller Roller 32. In the second position, the cutting knife 31 is located away from the feeding roller shaft 32 . When the cutting groove 31 moves from the first position to the second position along with the cutting support frame 34 , the driving mechanism 33 is activated so that the driving mechanism 33 can drive the feeding roller shaft 32 to rotate toward the feeding direction.

In this embodiment, the power to drive the cutting knife 31 to move from the second position to the first position to cut the tape comes from an external force. The external force can directly act on the cutting knife 31, and of course the external force can also act on the cutting support. On the frame 34, then the cutting support frame 34 drives the cutting knife 31 to move. In order to allow external forces to control the movement of the cutting knife 31 more conveniently, in this embodiment the cutting mechanism 3 also has a manipulation mechanism that is arranged on the cutting support frame 34 and extends out of the accommodating cavity 10 . Rod 35 , the operating rod 35 is fixedly arranged on the end of the cutting support frame 34 away from the cutting knife. Correspondingly, the housing 1 is provided with an arc-shaped sliding hole 12 adapted to the joystick 35 .

The power to drive the cutting knife 31 to move from the first position to the second position comes from the reset member 36 of the cutting mechanism 3, and the reset member 36 is connected between the cutting support frame 34 and the housing 1. tension spring. In the process of driving the cutting knife 31 to move from the second position to the first position under the action of an external force, the reset member 36 stretches and deforms and accumulates resilience, and after the external force is removed, the accumulated resilience of the reset member 36 drives the cutting knife to move from the second position to the first position. The first position resets and moves to the second position. The reset member 36 is disposed on the cutting support frame 34 at a position away from the support frame rotating shaft 341 .

Specifically, in this embodiment, the driving mechanism 33 includes a driving rack 331 linked with the cutting knife 31 and a driving gear 332 coaxially arranged on the shaft of the feeding roller. The drive gear 332 is engaged. The driving rack 331 can be an arc-shaped rack fixed on the cutting support frame 34 . Because the cutting support frame 34 rotates around the support frame rotating shaft 341, therefore, the driving rack 331 on the cutting support frame 34 actually moves in an arc shape, so it is more convenient to arrange the driving rack 331 in an arc shape. The realization of the effect on the feeding roller shaft 32 along with the cutting knife 31 activity process.

The driving gear 332 is set to be arranged coaxially with the feeding roller shaft 32 to facilitate the control of the feeding roller shaft 32. synchronous rotation. But the drive gear 332 is arranged to be fixedly arranged with the feeding roller shaft 32 and the cutting knife 31 will drive the feeding roller shaft 32 to rotate in the direction opposite to the feeding direction during the movement of the cutting knife 31 from the second position to the first position. out to have an impact.

As a further preferred solution, as shown in Figures 9-12, the drive gear 332 has a gear body 333 that is rotatably connected to the feed roller shaft 32 and meshed with the drive rack 331 and is arranged on the gear body 333. The limiting mechanism is configured to limit the relative rotation of the gear body 333 and the feeding roller shaft 32 during the movement of the cutting knife 31 from the first position to the second position.

Specifically, as shown in FIG. 11 , the limiting mechanism includes a ratchet 334 connected and fixed to the gear body 333 and a pawl 335 arranged on the feed roller shaft 32; the ratchet 334 is connected to the gear body 333 Coaxially set and integrally formed. Through the cooperation of the ratchet 334 and the pawl 335 , the synchronous rotation between the driving gear 332 and the feeding roller shaft 32 can be realized only when rotating along the feeding direction.

Specifically, the ratchet wheel 334 is provided with an inner ring gear, and the inner ring gear is provided with a plurality of tooth grooves 3341 arranged uniformly in a ring shape, the pawl 335 is positioned in the tooth groove 3341, and the tooth groove 3341 has The limit wall 3342 abutting against the pawl 335 to limit the rotation of the ratchet 334 to the feeding direction alone and the sliding wall 3343 opposite to the limit wall 3342, when the ratchet 334 rotates in the direction opposite to the feeding direction, At this time, the sliding wall 3343 pushes the pawl 335 to move away from the tooth groove 3341 .

The pawl 335 is rotatably mounted on the feeding roller shaft 32 ; the limiting mechanism also has an elastic member 336 that drives the pawl 335 to be positioned in the tooth groove 3341 . The elastic member 336 has a first abutting portion abutting on the pawl 335 and a second abutting portion abutting on the feed roller shaft 32, and the pawl 335 is pushed to be positioned in the tooth groove under the action of the elastic member 336 Inside 3341.

During the process of the driving rack 331 moving from the second position to the first position along with the cutting knife 31, the driving rack 331 drives the gear body 333 to rotate in the opposite direction of the feeding direction. At this time, the sliding wall 3343 on the ratchet 334 can Push the ratchet 335 to move away from the tooth groove 3341, and the ratchet 335 does not restrict the rotation of the gear body 333 to the direction opposite to the feeding direction. 32 do not rotate to the direction opposite to the feeding direction.

During the process of the driving rack 331 moving from the first position to the second position along with the cutting knife 31, the driving rack 331 drives the gear body 333 to rotate in the feeding direction. It is inside and abutted against the stopper 3342 so as to limit the relative rotation between the ratchet 334 and the feed roller shaft 32, so that it can drive the feed roller shaft 32 to rotate in the feeding direction so as to transmit the tape to the feeding direction, so that the free end of the tape can be extended The adhesive tape outlet 11 is provided to facilitate the next use.

Further, as shown in FIG. 6 , a transmission assembly is provided between the drive rack 331 and the drive gear 332 , and the transmission assembly includes a first gear 337 and a second gear 338 that mesh with each other. The gear 337 is meshed with the driving rack 331, the second gear 338 is meshed with the driving gear 332, and the size of the first gear 337 and the size of the second gear 338 are larger than the driving gear 332 Specifically, the diameter of the first gear 337 is larger than the diameter of the gear body 333 , and the diameter of the second gear 338 is larger than the diameter of the gear body 333 . The transmission assembly is set to two intermeshing gears to avoid changing the transmission direction during the transmission process, and the size of the first gear 337 and the second gear 338 is set to be greater than the size of the gear body 333 and then the transmission ratio can be improved, so that the driving The gear rack 331 can drive the driving gear 332 to rotate multiple times when the movement is very small, so that the sticking out of the adhesive tape can be better controlled.

In order to better realize the cutting of the adhesive tape, as shown in Figure 10, in the present embodiment, the feeding roller shaft 32 is provided with several cutting grooves 321 adapted to the cutting knife 31. There are multiple cutting grooves 321 , and the multiple cutting grooves 321 are arranged on the feeding roller shaft 32 in a ring shape. Two adjacent cutting grooves 321 form a partition 322 , the partition 322 has a V-shaped structure, and the size of the partition 322 is shortened away from the center of the feeding roller shaft 32 . The cutting groove 321 is a V-shaped groove, and it is more convenient to set the cutting knife 31 into the cutting groove 321 when the V-shaped groove is set, so that the cutting can be better realized when the positioning of the cutting knife 31 is conveniently realized.

Further, as shown in Figures 4-8, the hand-held adhesive tape sticking device also has a pinch roller 4 arranged in the accommodating cavity 10 and located at the tape outlet 11, and the pinch roller 4 rotates mounted on the housing. The pressing roller shaft 4 is used for rolling the adhered adhesive tape so as to realize the firmness of adhesive tape bonding. In this embodiment, the pressing roller shaft 4 is rotated and installed on the housing through the pressing rotating shaft; specifically, the pressing rotating shaft can be the same rotating shaft as the supporting frame rotating shaft 341, that is, the pressing roller shaft 4 Rotation is installed on the support frame rotating shaft 341. The material of the pressing roller shaft 4 is preferably rubber, and the pressing roller shaft 4 adopting rubber has a certain elasticity and can better compress the pasted adhesive tape.

As shown in Figures 4-5, the hand-held adhesive tape sticking device also has a guide roller shaft 5 arranged on the cutting support frame 34, and the guide roller shaft 5 is rotatably mounted on the connecting member 344. The connecting piece 344 is a cylindrical connecting rod connected between the first supporting wall 342 and the second supporting wall 343. The guide roller shaft 5 is sleeved outside the connecting piece 344. During use, the guiding roller shaft 5 5. As the cutting support frame 34 moves, it presses and fits against the back of the tape, and acts as a guide for the tape when the tape moves outward.

Further, as shown in Figures 13-14, in order to improve the applicability of the hand-held tape sticking device, in this embodiment, the tape support wheel 2 has a body part 21 that is rotatably mounted on the housing 1, along the The telescopic rod 22 and the compression spring 23 that can be movably arranged in the radial direction of the body part 21, the positioning hole 210 that is adapted to the telescopic rod 22 is arranged on the body part 21, and the compression spring 23 is positioned on the The positioning hole 210 is connected and fixed with the telescopic rod 22 .

Under the external force, the telescopic rod 22 moves into the positioning hole 210 and compresses the compression spring 23. After the external force is removed, the elastic force accumulated in the compression spring 23 drives the telescopic rod 22 to reset and move. After the tape roll is installed, the compression spring 23 drives the telescopic rod 22 to abut against the inner sidewall of the tape roll. The setting of the telescopic rod 22 can make the tape support wheel 2 applicable to more types of tapes, and can play a positioning role for tapes of various sizes. Before the tape roll is assembled to the tape support wheel 2, the telescopic rod 22 is first compressed inwardly so that the telescopic rod moves in the positioning hole 210, and then the tape roll is installed and fixed. Under the action, it resets and moves and abuts against the tape roll to realize the installation and fixation of the tape roll.

Further, in order to avoid a large movement stroke when the telescopic rod 22 resets and moves, the telescopic rod 22 in this embodiment includes a protruding section 221, a positioning section 222 and a limiting shoulder 223, and the positioning section 222 is connected to the The protruding section 221 is integrally formed, the positioning section 222 is movably arranged in the positioning hole 210 and adapted to the shape of the positioning hole 210, and the opening of the positioning hole 210 shrinks inward to form a The limiting portion where the limiting shoulder 223 abuts against, the protruding section 221 protrudes outward from the opening of the positioning hole 210 to protrude from the positioning hole 210 . Through the cooperation of the limiting shoulder 223 and the limiting part, the travel of the telescopic rod 22 to the outside of the positioning hole 210 can be limited, so as to prevent the telescopic rod 22 from fully extending out of the positioning hole 210 during the reset movement, so as to better realize the expansion and contraction Telescopic movement of rod 22.

Further, the housing 1 is also provided with a measuring mechanism 7, the measuring mechanism 7 can be mechanical or electronic, and the bottom is a roller. With the movement of the hand-held adhesive tape sticking device, the roller rotates to drive the internal mechanical or The electronic technology device then displays the length on the measuring mechanism 7, so that the length of the adhesive tape can be visually seen.

The hand-held adhesive tape sticking device disclosed in this embodiment can be used in the packaging process of the refrigerator. In order to prevent the door body 100 of the refrigerator from being opened from the box body 200 during transportation during the packaging process of the refrigerator, it is necessary to separate the door body 100 of the refrigerator and the body of the refrigerator The boxes 200 are bonded together with adhesive tape. The adhesive tape will be sealed along the gap 300 between the door body 100 and the box body 200 during the bonding process, that is, the moving direction of the tape roll and the extending direction of the gap portion 300 between the door body 100 and the box body 200 are consistent, and the adhesive tape will completely seal the gap 300 between the door body 100 and the box body 200 with the adhesive tape. When pasting the door body 100 and the box body 200 with tapes, how to ensure that the pasted tapes are neatly arranged in the direction of extension so as to improve the aesthetics after pasting is a problem that needs to be solved.

In order to solve the above technical problems, the present invention also discloses a mobile guide mechanism 6, which is detachably installed and fixed on the hand-held adhesive tape sticking device, specifically, the mobile guide mechanism 6 is detachably installed and fixed on the The bottom of the housing 1 is conveniently disassembled when not in use. The movement guiding mechanism 6 can guide the moving direction of the hand-held tape application device during the moving process of the hand-held tape application device.

Since there is a gap 300 between the refrigerator box 200 and the door 100, the moving guide mechanism 6 disclosed in this embodiment can move along the extending direction of the gap 300 so as to ensure that the adhesive tape is evenly pasted on the left and right sides of the gap 300. , so as to achieve a more tidy adhesive tape after pasting.

As shown in Figures 15-18, the moving guide mechanism 6 includes a base 61, a guide unit 62 and an adjustment unit 63 arranged on the base 61, and the guide unit 62 includes a movable set on the base 61 The upper guide 621 and the lower guide 622 , the adjustment unit 63 is used to adjust the distance between the upper guide 621 and the lower guide 622 .

During use, the upper guide 621 and the lower guide 622 are placed in the gap portion 300, and then the adjusting unit 63 is adjusted so that the distance between the upper guide 621 and the lower guide 622 is the same as that of the gap 300. The widths are matched so that the upper guide 621 and the lower guide 62 abut against the box body 200 and the door body 100 respectively. The setting of the above-mentioned structure enables the mobile guide mechanism 6 to move against the box body 200 during the movement of the hand-held adhesive tape sticking device, and the lower guide 62 can move against the door body 100. The guidance of the movement of the hand-held adhesive tape sticking device makes the pasted tape extend along the extending direction of the gap portion 300, which improves the uniformity of the pasted tape.

In order to facilitate the adjustment of the upper guide 621 and the lower guide 622, the adjustment unit 63 is set to adjust the upper guide 621 and the lower guide 622 synchronously, and the adjustment unit 63 can drive the upper guide 621 The upper guide 621 and the lower guide 622 are adjusted around the center position of the distance between them, that is, the process of adjustment is very fast. The center point is used as a reference to move closer to or farther from the center. It can be understood that no matter how the upper guide 621 and the lower guide 622 are adjusted, the center of the final adjusted distance is consistent with the center position of the gap portion 300 relatively. The adjustment of the upper guide piece 621 and the lower guide piece 622 can be conveniently realized through the arrangement of the adjustment unit 63 , so as to adapt to the gap portion 300 of various sizes.

Specifically, the adjustment mechanism 63 includes an adjustment block 631 and a first support rod 632 and a second support rod 633 that are arranged across each other and are respectively rotatably mounted on the base; On a support rod 632, the lower guide 622 is arranged on the second support rod 633, and the adjustment block 631 is slidably arranged on the base and drives the first support rod 632 and the second support rod 633 to synchronize Rotate to make the upper guide 621 and the lower guide 622 approach each other or move away from each other.

The base 61 is provided with a rotating shaft 611, and the first supporting rod 632 and the second supporting rod 633 are both rotatably mounted on the rotating shaft 611 and arranged symmetrically around the rotating shaft 611 respectively; The central position of the rod 632 is rotatably connected to the rotating shaft 611 , and the central position of the second support rod 633 is rotatably connected to the rotating shaft 611 . The first support rod 632 and the second support rod 633 have the same size and structure. After the first support rod 632 and the second support rod 633 are installed and fixed, the structure formed by the first support rod 632 and the second support rod 633 also has Centrosymmetric structure.

When the adjustment block 631 slides along the base 61 , it will synchronously drive the first support rod 632 and the second support rod 633 to rotate. Specifically, the adjustment block 631 is connected and fixed to the first support rod 632 through the first connecting rod 634 , and the adjustment block 631 is connected and fixed to the second support rod 633 through the second connecting rod 635 . The direction in which the adjustment block 631 slides along the base 61 is exactly the extension direction of the central symmetry axis of the first connecting rod 634 and the second connecting rod 635 . The adjusting block 631 is rotatably connected with a first connecting rod 634 and a second connecting rod 635, the first connecting rod 634 is rotatably connected with the first support rod 632, and the second connecting rod 635 is connected with the first supporting rod 635. The two supporting rods 633 are rotationally connected, and the first connecting rod 634 and the second connecting rod 635 are arranged symmetrically around the sliding direction of the adjusting block 631 .

In another embodiment, the adjustment unit 63 can also adjust the distance between the upper guide 621 and the lower guide 622 through the cooperation of the thread and the screw. Specifically, the screw can be rotated and installed on the base 61, and then The upper guide 621 and the lower guide 622 are respectively provided with a first threaded hole and a second threaded hole, the first threaded hole and the second threaded hole are threaded with the screw, and the first threaded hole and the second threaded hole The holes are arranged in an inverted arrangement.

In the above-mentioned embodiment, the upper guide 621 and the lower guide 622 are arranged in pairs to form a guide assembly. During use, the upper guide 621 and the lower guide 622 in the guide assembly abut against the box respectively. 200 and the door body 100 to guide the movement of the hand-held adhesive tape sticking device. In order to guide the hand-held adhesive tape sticking device more smoothly, two guide assemblies may be provided in this embodiment, and the second guide assembly includes an auxiliary lower guide 623 and an auxiliary upper guide 624. The auxiliary lower guide 623 and the lower guide 622 abut against the door body 100 together and slide relative to the door 100 as the hand-held adhesive tape sticking device moves. The auxiliary upper guide 624 and the upper guide 621 They abut against the box body 200 together and slide relative to the box body 200 as the hand-held adhesive tape sticking device moves, so as to play a better guiding role.

Specifically, the auxiliary lower guide 623 is arranged on the first support rod 632, and the auxiliary lower guide 623 is arranged symmetrically with the upper guide 621 centered on the rotation axis 611; The auxiliary upper guide 624 is arranged on the second support rod 633, and the auxiliary upper guide 624 is arranged symmetrically with the lower guide 622 centered on the rotation axis 611; The guide piece 624 and the upper guide piece 621 are arranged symmetrically around the sliding direction of the adjustment block 631 . The arrangement of the above structure makes the connection line between the auxiliary upper guide 624 and the upper guide 621 and the connection line between the auxiliary lower guide 623 and the lower guide 622 parallel to each other.

In order to realize the adjustment of the adjustment block 631 more conveniently, the adjustment mechanism 63 also includes an adjustment block driving unit that drives the adjustment block 631 to slide along the base 61; The bracket 636 on the top and the bolt 637 that is rotatably mounted on the bracket 626; the adjusting block 631 is provided with a threaded hole 6310 that matches the bolt 637. The bolt 627 can be rotatably mounted on the bracket 626 through a bearing, and the bolt 627 will drive the movement of the adjustment block 631 during the rotation.

Specifically, the base 61 has a plate structure, the bracket 636 is vertically arranged on the base 61; the adjustment block 631 has a connecting plate 6311 and a protrusion 6312 arranged on the connecting plate 6311, the A threaded hole 6310 is disposed on the protrusion 6312 , and a sliding hole 611 that is slidably matched with the protrusion 6312 is disposed on the base 61 . The sliding hole 611 is adapted to the protrusion 6312 and extends along the sliding direction of the adjustment block 631 .

In order to achieve better guidance in the moving process, both the upper guide 621 and the lower guide 622 have a guide body 6221 and guide rollers rotatably mounted on the guide body 6221 6222. The guide rollers are made of rubber material, and if the guide rollers are set to rotate on the guide body, the sliding process between the upper guide 621 and the box body 200 can be smoother. It can be understood that both the auxiliary upper guide 624 and the auxiliary lower guide 623 have the same structure as the upper guide 621 .

Another embodiment of the present invention also discloses a handheld adhesive tape sticking device, comprising:

The housing 1 has an accommodating cavity 10 and an adhesive tape outlet 11;

The tape support wheel 2 is rotatably installed in the accommodating cavity 10;

The cutting mechanism 3 has a cutting knife 31 movably arranged in the accommodating cavity 10;

A mobile guiding mechanism 6 is fixed on the housing 1 .

Further, the casing 1 is provided with an avoidance groove 13 compatible with the base 61, the base 61 is positioned in the avoidance groove 13 and the outer surface of the base 61 does not protrude from the casing 1's outer surface.

Another embodiment of the present invention also discloses a method for using the above-mentioned hand-held adhesive tape sticking device, including the following steps:

Acquire the width of the gap portion 300 between the first object and the second object, wherein the first object and the second object are two objects to be bonded together with adhesive tape; in this embodiment, the first object is the box body 200, The second object is the door body 100

Adjust the spacing between the upper guide 621 and the lower guide 622 according to the width of the gap 300 and make the upper guide 621 and the lower guide 622 accommodated in the gap 300 and respectively with the gap 300 The two side walls are in contact with each other. The two side walls 300 of the gap part are the side walls of the box body 200 and the side walls of the door body 100 respectively.

The structure, features and effects of the present invention have been described in detail above based on the embodiments shown in the drawings. The above descriptions are only preferred embodiments of the present invention, but the present invention does not limit the scope of implementation as shown in the drawings. Changes made to the idea of the present invention, or modifications to equivalent embodiments that are equivalent changes, and still within the spirit covered by the description and illustrations, shall be within the protection scope of the present invention.

Claims (10)

1. A hand-held taping device, comprising:

the shell is provided with an accommodating cavity and a tape outlet;

the adhesive tape supporting wheel is rotatably arranged in the accommodating cavity;

the cutting mechanism is provided with a cutting knife movably arranged in the accommodating cavity, a feeding roller shaft arranged opposite to the cutting knife and rotatably arranged in the accommodating cavity, and a driving mechanism;

the cutting knife is provided with a first position matched with the feeding roller shaft to cut the adhesive tape and a second position arranged at an interval with the feeding roller shaft, and the driving mechanism drives the feeding roller shaft to rotate towards the feeding direction when the cutting knife moves from the first position to the second position.

2. The hand-held taping device of claim 1, wherein: the drive mechanism include with the drive rack and the coaxial setting that cut the sword linkage are in the epaxial drive gear of pay-off roller, drive rack with drive gear meshes.

3. The hand-held taping device of claim 2, wherein: the drive gear have with the pay-off roller rotates be connected and with drive rack toothing's gear body is in with the setting stop gear on the gear body, stop gear is set up to be in it removes to the second position in-process restriction from the first position to cut the sword the gear body with the pay-off roller produces relative rotation.

4. A hand-held taping device as claimed in claim 3, wherein: the limiting mechanism comprises a ratchet wheel fixedly connected with the gear body and a pawl arranged on the feeding roller shaft; an inner gear ring is arranged on the ratchet wheel, and the pawl is rotationally mounted on the feeding roll shaft; the limiting mechanism is also provided with an elastic piece driving the pawl to be positioned in the tooth groove of the inner gear ring.

5. The hand-held taping device of claim 2, wherein: the drive rack with be provided with transmission assembly between the drive gear, transmission assembly includes intermeshing's first gear and second gear, first gear with the drive rack meshing, the second gear with drive gear meshing, just the size of first gear with the size of second gear all is greater than drive gear's size.

6. The hand-held taping device of claim 2, wherein: the cutting mechanism is further provided with a cutting support frame which is rotatably installed in the containing cavity, the cutting knife is fixed on the cutting support frame, and the driving rack is fixed on the cutting support frame.

7. The hand-held taping device of claim 6, wherein: the cutting mechanism is also provided with a reset piece and a control rod which is fixedly connected with the cutting support frame and extends out of the accommodating cavity;

the casing is provided with an arc-shaped sliding hole matched with the operating rod, and the reset piece is an extension spring connected between the cutting support frame and the casing.

8. The hand-held taping device of claim 6, wherein: the handheld adhesive tape sticking device is also provided with a pressing roller shaft which is arranged in the accommodating cavity and is positioned at the adhesive tape outlet, and the pressing roller shaft is rotatably arranged on the shell through a pressing rotating shaft; the rotating shaft of the cutting support frame and the pressing rotating shaft are coaxially arranged.

9. The hand-held taping device of claim 1, wherein: the feeding roller shaft is provided with a plurality of cutting grooves matched with the cutting knives, the cutting grooves are provided with a plurality of cutting grooves, and the cutting grooves are annularly arranged on the feeding roller shaft.

10. The hand-held taping device of claim 1, wherein: the adhesive tape supporting wheel is provided with a body part, a telescopic rod and a compression spring, wherein the telescopic rod and the compression spring are movably arranged along the radial direction of the body part, the body part is provided with a positioning hole matched with the telescopic rod, and the compression spring is positioned in the positioning hole and is fixedly connected with the telescopic rod.

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