CN220811441U

CN220811441U - Double-sided pressure-sensitive adhesive tape

Info

Publication number: CN220811441U
Application number: CN202322569985.7U
Authority: CN
Inventors: 童建宇; 刘宇; 杨洋
Original assignee: Kunshan Bye Polymer Material Co ltd
Current assignee: Kunshan Bye Polymer Material Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-04-19
Anticipated expiration: 2033-09-21

Abstract

The utility model relates to the technical field of adhesive tapes, in particular to a double-sided pressure-sensitive adhesive tape. The technical proposal comprises: the glue core and the glue spirally coiled on the outer side of the glue core comprise glue bodies and side-sticking prevention mechanisms fixed on the glue bodies and the end faces of the glue cores; the side-sticking prevention mechanism comprises a core barrel fixedly sleeved with the rubber core, and the core barrel comprises a barrel body and a barrel edge disc which are fixedly connected; the side-sticking prevention mechanism comprises a side-sticking prevention blocking disc fixedly sleeved with the cylinder edge disc, and the side-sticking prevention blocking disc is used for blocking glue overflowing from the end face of the glue body. According to the utility model, the design of the side sticking prevention mechanism is adopted by arranging the colloid and the two end surfaces of the colloid core; specifically, through the design of spiral coiled fender dish spirochete and utilization can tear the linkage segment, can be along with the continuous use consumption of colloid, clear away the fender dish spirochete that will increase correspondingly to the annular removal of accessible cutting off the subassembly replaces the mode of staff tearing to cut off the linkage segment more soon.

Description

Double-sided pressure-sensitive adhesive tape

Technical Field

The utility model relates to the technical field of adhesive tapes, in particular to a double-sided pressure-sensitive adhesive tape.

Background

The double-sided pressure-sensitive adhesive tape refers to a tape in which a pressure-sensitive adhesive is coated on both sides of a flexible substrate to achieve a double-sided adhesive effect, and generally includes a central core and a gel outside the core, and a center-most ring layer of the gel is adhered to an outermost ring surface of the core.

The colloid spiral of current two-sided pressure sensitive adhesive tape coils to inseparable annular structure, and the internal adhesive of colloid is by the extrusion excessive from the edge easily, not only easy adhesion dust just easily with the foreign object adhesion influence use. To this end, the present utility model proposes a double-sided pressure-sensitive adhesive tape that prevents lateral edge adhesion.

Disclosure of utility model

The utility model aims to solve the problems in the background art and provides a double-sided pressure-sensitive adhesive tape.

The technical scheme of the utility model is as follows: a double-sided pressure-sensitive adhesive tape comprises a rubber core and a rubber body spirally wound on the outer side of the rubber core, and comprises a side-sticking prevention mechanism fixed on the rubber body and the end face of the rubber core; the side-sticking prevention mechanism comprises a core barrel fixedly sleeved with the rubber core, and the core barrel comprises a barrel body and a barrel edge disc which are fixedly connected; the side-sticking prevention mechanism comprises a side-sticking prevention blocking disc fixedly sleeved with the cylinder edge disc, and the side-sticking prevention blocking disc is used for blocking glue overflowing from the end face of the glue body.

Optionally, the side-sticking prevention baffle disc comprises a baffle disc spiral body and a connecting section, wherein the baffle disc spiral body is spirally coiled and fixedly connected at a coiling gap through the connecting section.

Optionally, the side-sticking prevention mechanism further comprises a cutting assembly including a slice along the spiral gap of the side-sticking prevention disc to cut off the connection section.

Optionally, the cutting assembly further comprises a fixing strip which slides along the end face of the cylinder edge disc in an annular mode and a telescopic arm which is elastically sleeved with the fixing strip, and the slice is fixedly connected to the end portion of the telescopic arm.

Optionally, one side of the fixing strip facing the cylinder edge disk is connected with a sliding block, and an annular sliding groove matched with the sliding block is formed in the end face of the cylinder edge disk.

Optionally, the inside cavity that is of fixed strip is provided with the spring, spring one end and fixed strip tip inner wall fixed connection, the spring other end and stretch into the inside one end fixed connection of flexible arm of fixed strip.

Optionally, the colloid comprises substrate layer, adhesive layer and release paper, the adhesive layer is connected in the inside and outside anchor ring of substrate layer respectively, release paper and the adhesive layer fixed connection who is located outer anchor ring, the adhesive layer that is located outer anchor ring then is connected with release paper after spiral coiling.

Optionally, the thickness of the substrate layer is 30 μm to 75 μm, the thickness of the adhesive layer is 25 μm to 60 μm, and the thickness of the release paper is 40 μm to 120 μm.

Compared with the prior art, the utility model has the following beneficial technical effects:

According to the application, by the design that the glue and the glue core are provided with the side-sticking prevention mechanisms at the two end surfaces, the glue overflowed from the glue end surfaces can be blocked, and the glue is prevented from sticking dust or being stuck with foreign objects to affect use; specifically, through the design of spiral coiled fender dish spirochete and utilization can tear the linkage segment, can be along with the continuous use consumption of colloid, clear away the fender dish spirochete that will increase correspondingly to the annular removal of accessible cutting off the subassembly replaces the mode of staff tearing to cut off the linkage segment more soon.

Drawings

FIG. 1 is a schematic view of a double-sided pressure-sensitive adhesive tape;

FIG. 2 is a schematic diagram of the separation structure of FIG. 1;

FIG. 3 is a schematic view of the side-sticking prevention disc and cutting assembly of FIG. 2;

fig. 4 is a schematic cross-sectional view of a gel.

Reference numerals: 1. a colloid; 11. a substrate layer; 12. a glue layer; 13. a release paper;

2. a rubber core;

3. A side-sticking prevention mechanism; 31. a core barrel; 311. a cylinder; 312. a drum rim plate; 3121. an annular chute; 32. a side-sticking prevention baffle disc; 321. a baffle disc spiral body; 322. a connection section; 33. cutting off the assembly; 331. a fixing strip; 3311. a slide block; 332. a telescoping arm; 333. slicing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the double-sided pressure-sensitive adhesive tape according to the present utility model includes a core 2 and a gel 1 spirally wound around the outside of the core 2. Referring to fig. 4, the adhesive 1 is composed of a base material layer 11, an adhesive layer 12 and a release paper 13, the adhesive layer 12 is adhered to the inner and outer circumferences of the base material layer 11, the release paper 13 is adhered to the adhesive layer 12 positioned on the outer circumference, the adhesive layer 12 positioned on the outer circumference is adhered to the release paper 13 after being spirally wound, the thickness of the base material layer 11 is 30-75 μm, the thickness of the adhesive layer 12 is 25-60 μm, and the thickness of the release paper 13 is 40-120 μm.

Comprises a side-sticking prevention mechanism 3, wherein the side-sticking prevention mechanism 3 comprises a core barrel 31, a side-sticking prevention baffle disc 32 and a cutting assembly 33. The core barrel 31 comprises a barrel 311 and barrel edge discs 312 integrally and fixedly connected to two ends of the barrel 311, the barrel 311 is fixedly sleeved with the inner ring surface of the rubber core 2, and the barrel edge discs 312 are positioned outside two ends of the rubber core 2; the side-sticking prevention baffle disc 32 comprises a side-sticking prevention baffle disc 32 fixedly sleeved with the cylinder edge disc 312, the side-sticking prevention baffle disc 32 comprises a baffle disc spiral body 321 and a connecting section 322, the baffle disc spiral body 321 is spirally coiled and fixedly connected at a coiling gap through the connecting section 322, a spiral disc surface is formed to be blocked at two end faces of the colloid 1, and adhesive overflowed from two ends of the colloid 1 can be blocked. Baffle spiral 321 can adopt the cardboard material, and link 322 adopts the structural material of easily tearing excision, if: fiber segments formed by pulp extrusion or fine plastic fiber strips; the severing assembly 33 includes a securing strap 331, a telescoping arm 332, and a slice 333. The side of the fixing strip 331 facing the cylinder edge disk 312 is connected with a pair of spherical sliding blocks 3311, the end surface of the cylinder edge disk 312 is provided with an annular sliding groove 3121 with a spherical section matched with the sliding blocks 3311, and the annular sliding groove 3121 is coaxial with the side adhesion preventing mechanism 3. The cutting assembly 33 is rotated about the central axis of the anti-side tack mechanism 3 by sliding the slide 3311 along the annular runner 3121. The inside cavity that is of fixed strip 331 is provided with the spring, spring one end and fixed strip 331 tip inner wall fixed connection, the spring other end and stretch into the inside one end fixed connection of flexible arm 332 of fixed strip 331, the other end and the section 333 fixed connection of flexible arm 332 can make section 333 paste with preventing that the side from gluing the fender dish 32 outer anchor face all the time through the elasticity pulling force of flexible arm 332. When the cutting assembly 33 rotates around the central axis of the side-sticking prevention mechanism 3, the encountered connecting section 322 can be cut off through the slice 333, and then the part of the baffle disc screw 321, which is not bound by the connecting section 322, is pinched off or sheared, so that the disc diameter of the spiral disc surface formed by the baffle disc screw 321 is reduced, and the glue 1 with reduced diameter after use is adapted.

The working principle of the embodiment is as follows: the glue overflowed from the end face of the glue 1 can be blocked by the design that the glue 1 and the two end faces of the glue core 2 are provided with the side-sticking prevention mechanisms 3, so that the glue is prevented from sticking dust or being stuck with foreign objects to affect use; specifically, by the spirally wound tray screw 321 and design utilizing the tearable connecting section 322, as the gel 1 is used and consumed, the tray screw 321 can be removed correspondingly, and the connecting section 322 can be cut off more quickly by the annular movement of the cutting assembly 33 instead of being torn off by a human hand.

More detailed is: along with the continuous use of the colloid 1, the diameter of the spiral surface formed by the side-sticking prevention baffle plate 32 is continuously reduced, the spiral surface formed by the side-sticking prevention baffle plate 32 is outwards protruded, and the outwards protruded side-sticking prevention baffle plate 32 is easy to damage and deform under the conditions of collision, rolling, smashing and the like because the connecting section 322 connected with the baffle plate spiral body 321 is not of a firm structure, so that the normal retraction and extension of the colloid 1 are affected. At this time, the cutting assembly 33 can be rotated by the slide block 3311 and the annular slide slot 3121, so that the slice 333 passes through the screw gap of the baffle disc screw 321, the passing connection section 322 is cut off, the rotation is ended until the diameter of the screw disc surface formed by the side-adhesion-preventing baffle disc 32 is approximately equal to that of the screw disc surface formed by the colloid 1, and then the scattered part of the baffle disc screw 321 is cut off by scissors or is directly torn off by hand.

The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a two-sided pressure-sensitive adhesive tape, includes rubber core (2) and spiral coil in colloid (1) in rubber core (2) outside, its characterized in that: the adhesive-proof device also comprises an adhesive-proof mechanism (3) fixed on the end faces of the colloid (1) and the colloid core (2);

The side-sticking prevention mechanism (3) comprises a core barrel (31) fixedly sleeved with the rubber core (2), and the core barrel (31) comprises a barrel body (311) and a barrel edge disc (312) which are fixedly connected;

The side-sticking prevention mechanism (3) comprises a side-sticking prevention blocking disc (32) fixedly sleeved with the cylinder edge disc (312), and the side-sticking prevention blocking disc (32) is used for blocking glue overflowing from the end face of the colloid (1).

2. The double-sided pressure-sensitive adhesive tape according to claim 1, wherein the side-sticking prevention disc (32) comprises a disc screw (321) and a connecting section (322), the disc screw (321) being spirally wound and fixedly connected at a winding gap by the connecting section (322).

3. A double-sided pressure-sensitive adhesive tape according to claim 2, wherein the side-sticking prevention mechanism (3) further comprises a cutting member (33), the cutting member (33) comprising a cut piece (333), the cut piece (333) being along the spiral gap of the side-sticking prevention plate (32) to cut the connecting section (322).

4. A double-sided pressure-sensitive adhesive tape according to claim 3, characterized in that the cutting assembly (33) further comprises a fixing strip (331) which slides annularly along the end face of the flange plate (312) and a telescopic arm (332) which is elastically sleeved with the fixing strip (331), and the cut piece (333) is fixedly connected to the end of the telescopic arm (332).

5. The double-sided pressure-sensitive adhesive tape according to claim 4, wherein a slider (3311) is connected to a side of the fixing strip (331) facing the rim plate (312), and an annular runner (3121) matching the slider (3311) is provided on an end surface of the rim plate (312).

6. The double-sided pressure-sensitive adhesive tape according to claim 5, wherein the inside of the fixing strip (331) is hollow and provided with a spring, one end of the spring is fixedly connected with the inner wall of the end of the fixing strip (331), and the other end of the spring is fixedly connected with one end of the telescopic arm (332) extending into the inside of the fixing strip (331).

7. The double-sided pressure-sensitive adhesive tape according to claim 6, wherein the adhesive body (1) is composed of a base material layer (11), an adhesive layer (12) and release paper (13), the adhesive layer (12) is respectively connected to the inner and outer annular surfaces of the base material layer (11), the release paper (13) is fixedly connected with the adhesive layer (12) located on the outer annular surface, and the adhesive layer (12) located on the outer annular surface is connected with the release paper (13) after being spirally wound.

8. The double-sided pressure-sensitive adhesive tape according to claim 7, wherein the thickness of the base material layer (11) is 30 μm to 75 μm, the thickness of the adhesive layer (12) is 25 μm to 60 μm, and the thickness of the release paper (13) is 40 μm to 120 μm.