CN219615977U - Cover for dispensing cylinder - Google Patents

Abstract

The utility model relates to a cover for a dispensing cylinder, which comprises a cylindrical cover body, wherein the lower part of the inner wall of the cover body is provided with an internal thread for being connected with the dispensing cylinder in a threaded way, the upper end of the inner wall of the cover body extends inwards in the radial direction to form an annular boss which surrounds the inner wall of the cover body in a circle, the top end of the cover body is covered with a cover plate, the center of the top of the cover plate is provided with a threaded through hole coaxial with the cover body, the bottom surface of the cover plate extends to form an annular structure which can be installed in the annular boss in a matching way, is coaxial with the threaded through hole and has an inner diameter larger than the diameter of the threaded through hole, and the outer surface of the extension wall is sleeved with a sealing ring; the top surface of the cover plate is symmetrically provided with two clasp locking seats in the radial direction, and the side wall of the cover body is provided with two buckles which can be correspondingly buckled and locked with the two clasp locking seats. The utility model solves the problem that the air pipe which is arranged on the cover is twisted when the cover of the traditional integrated structure is dismounted onto the dispensing cylinder, and the dismounting is more convenient without influencing the subsequent use.

Description

Cover for dispensing cylinder

Technical Field

The utility model relates to auxiliary equipment of a dispensing cylinder, in particular to a cover for the dispensing cylinder.

Background

Dispensing is a process, which can also be called glue filling, gluing and the like, and is simple in that relevant glue substances are smeared on a product in a drip manner. Of course, the adhesive is not necessarily glue in the conventional sense, and may also contain adhesive oil substances, or other liquid substances, etc. The fixing and sticking effects can be finally achieved through the dispensing mode. The existing dispensing process mainly comprises two modes, namely a manual mode and an automatic mode, wherein the manual mode is relatively simple, the cost is low, excessive money is not needed, more time is needed, the production efficiency is low, and the consistency of the final product quality can be inconsistent due to the fact that the manual dispensing control cannot be achieved. The automatic mode is that the liquid glue is pushed out by utilizing the relation of air pressure, the needed dropping times are controlled by the instrument finally, the control is easy, the dropping amount injected each time is not too much, trouble and labor are saved, the consistency of the product quality is improved, the production efficiency is also improved, glue is usually filled in a glue dispensing barrel, a cover is covered and then is arranged on a glue dispensing machine, in the prior art, the cover is of an integrated structure and is in threaded connection with the glue dispensing barrel, meanwhile, the cover is connected with the glue dispensing machine through an air pipe, in such a way, the cover and the air pipe are connected, then the cover and the glue dispensing barrel are disassembled and assembled, one of the covers rotates in the disassembly and assembly, the torsion of the air pipe can influence the subsequent ventilation and pressure in the glue dispensing barrel through the air pipe in the rotation process of the cover, the glue dispensing barrel is not beneficial to rotating after the glue is filled in the glue dispensing barrel, and the glue is at risk of spilling from the glue dispensing barrel in the rotation process.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cover for a dispensing cylinder.

The technical scheme adopted for solving the technical problems is as follows: the cover for the dispensing cylinder comprises a cylindrical cover body, wherein an internal thread which is used for being in threaded connection with the dispensing cylinder is arranged at the lower part of the inner wall of the cover body, an annular boss which surrounds the inner wall of the cover body is arranged at the upper end of the inner wall of the cover body in a radial inward extending mode, a cover plate is arranged on the top end of the cover body in a covering mode, a threaded through hole which is coaxial with the cover body is arranged in the center of the top of the cover plate, an extending wall which is coaxial with the threaded through hole and can be matched with an annular structure arranged in the annular boss and has an inner diameter larger than the diameter of the threaded through hole is arranged on the bottom surface of the cover plate in an extending mode, the lower end of the extending wall is flush with the lower end of the cover body, and a sealing ring is sleeved on the outer surface corresponding to the internal thread of the cover body; the top surface of apron is provided with two buckle locking seats in radial symmetry, the lateral wall of lid is provided with two hasp that can correspond the lock with two buckle locking seats and lock.

Preferably, the fastener is a flat-mouth fastener.

Preferably, the hasp comprises a fixed seat fixedly arranged on the outer wall of the cover body, a flip cover pivoted on the fixed seat through a rotating shaft at the upper part of the fixed seat, a buckle ring pivoted on the flip cover, and a torsion spring sleeved on the rotating shaft, wherein a force arm at one end of the torsion spring is in a linear structure to be propped against the upper part of the fixed seat, a force arm at the other end of the torsion spring is in a V-shaped structure and is propped against the lower part of the fixed seat in a mode that an opening faces the fixed seat, the pivoted position of the buckle ring and the flip cover is positioned below the pivoted position of the flip cover and the fixed seat, and an extension shaft extends at the end part of the buckle ring and is inserted into a space formed between the force arm of the V-shaped structure of the torsion spring and the fixed seat.

Preferably, the width of the annular boss in the radial direction is larger than the height of the crests of the internal thread.

Preferably, the extending wall is provided with two grooves around the extending wall on the outer surface corresponding to the internal thread of the cover body, the two grooves are arranged at intervals in the axial direction of the extending wall, and each groove is internally provided with a sealing ring.

Preferably, the outer side wall of the cover body is provided with anti-skid patterns.

Preferably, an anti-skid groove is arranged on the outer side wall of the cover plate.

The utility model has the beneficial effects that: the cover with the traditional integrated structure is divided into the cover body and the cover plate, the cover body and the dispensing cylinder filled with glue are connected through threads, the cover body is twisted in the process, then the cover plate connecting the air pipe of the dispensing machine is connected with the cover body, namely, the cover plate is inserted into the cover body and is connected with the cover body through the hasp structure, the dispensing cylinder is further sealed, the whole process is simple and convenient to operate, the air pipe on the cover plate cannot be influenced before the cover plate is connected, the cover plate and the cover body are connected, the cover plate does not need to be twisted, the air pipe on the dispensing machine is not influenced, the problem that the air pipe which is fixedly rotated on the cover when the cover with the traditional integrated structure is dismounted onto the dispensing cylinder is solved, the dismounting is more convenient, and the subsequent use is not influenced.

Drawings

FIG. 1 is a schematic cross-sectional view of a buckle locking seat according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an embodiment of the present utility model;

FIG. 4 is a schematic view of a cover according to an embodiment of the present utility model;

part names and serial numbers in the figure: 1-a cover body 10-an internal thread 11-an annular boss 1-an anti-skid pattern 2-a cover plate 20-a threaded through hole 21-an extension wall 210-a groove 22-an anti-skid groove 3-a sealing ring 4-a clasp locking seat 5-a clasp 50-a fixed seat 51-a flip cover 52-a rotating shaft 53-a clasp 530-an extension shaft 54-a torsion spring.

Detailed Description

The present utility model will be further described in connection with the following examples which are to be construed as illustrative and not limiting the scope of the utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments. Furthermore, directional terms, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., in the present utility model are used only with reference to the directions of the attached drawings, and are used for better and more clear description and understanding of the present utility model, not to indicate or imply the orientations that the present utility model must have, and thus should not be construed as limiting the present utility model.

The embodiment of the utility model is shown in fig. 1 to 4, a cover for dispensing can, comprising a cylindrical cover body 1, wherein the lower part of the inner wall of the cover body 1 is provided with an internal thread 10 for being in threaded connection with the dispensing can, the inner diameter of the cover body 1 is matched with the outer diameter of the dispensing can, the size of the cover body 1 can be set according to the thickness of the dispensing can to be used, the outer wall of the tail of the dispensing can is provided with an external thread, the cover body 1 is in threaded connection with the dispensing can through the internal thread 10, thus the glue can be filled in the dispensing can before or after the cover body 1 is connected with the dispensing can, and the cover body 1 is only required to be disassembled when the dispensing can be replaced, in order to facilitate the installation of the cover body 1 on the dispensing can, the cover body 1 is slipped in the process of installing and twisting the cover body 1, the anti-skid patterns 12 are arranged on the outer side wall of the cover body 1, the friction is increased through the anti-skid threads 12, so that the cover body 1 is convenient to twist, the upper end of the inner wall of the cover body 1 extends inwards along the radial direction to form an annular boss 11 which surrounds the inner wall of the cover body 1, namely, the annular boss 11 is positioned at the upper end of the inner wall of the cover body 1, the upper surface of the annular boss 11 is flush with the upper end face of the cover body 1, the top end of the cover body 1 is provided with a cover plate 2, the outer diameter of the cover plate 2 is equivalent to the outer diameter of the cover body 1, the upper end of the cover body 1 is sealed by the cover plate 2, the center of the top of the cover plate 2 is provided with a threaded through hole 20 coaxial with the cover body 1, an air pipe of the dispenser is connected to the cover plate 2 through the threaded through hole 20, and the coaxial line of the cover body 1 enables air passing through the air pipe to conveniently exert pressure in the adhesive cylinder, the bottom surface of the cover plate 2 is extended with an extension wall 21 which can be matched with an annular structure in the annular boss 11 and is coaxial with the threaded through hole 20, and the inner diameter of the extension wall 21 is larger than the diameter of the threaded through hole 20, so that the extension wall 21 and the cover plate 2 form a T-shaped structure, the outer diameter of the extension wall 21 is matched with the inner diameter of the annular boss 11, after the cover plate 2 is arranged on the cover body 1, the extension wall 21 is inserted into a ring of the annular boss 11, the outer side wall of the extension wall 21 is abutted against the inner wall of the annular boss 11, the cover plate 2 is prevented from sliding on the cover body 1, the lower end of the extension wall 21 is flush with the lower end of the cover body 1, a sealing ring 3 is sleeved on the outer surface of the inner thread 10 corresponding to the cover body 1, the radial width of the annular boss 11 is larger than the height of the top of the inner thread 10, a gap exists between the extension wall 21 and the inner thread 10 after the cover plate 2 is arranged on the cover body 1, the gap is the space arranged on the cover body 1, the inner wall 21 is abutted against the inner wall of the annular boss 11, the inner wall 21 is prevented from sliding on the cover body 1, the lower end of the cover plate 21 is prevented from being in contact with the inner wall 21, the inner wall is prevented from being formed by the inner wall of the sealing ring, the sealing ring is prevented from being in contact with the inner wall of the sealing ring, and the inner wall is prevented from being in contact with the inner wall of the sealing ring, the sealing ring is prevented from being in the inner wall is in the inner side of the sealing ring, the sealing ring and the sealing ring is in the sealing cylinder, the sealing cylinder is in the sealing cylinder; the top surface of the cover plate 2 is symmetrically provided with two clasp locking seats 4 in the radial direction, the side wall of the cover body 1 is provided with two clasps 5 which can be correspondingly buckled and locked with the two clasp locking seats 4, that is to say, the two clasp locking seats 4 on the top surface of the cover plate 2 are positioned on the same radial line, the two clasps 5 on the side wall of the cover body 1 are positioned on the same radial line, when the cover plate 2 is installed on the cover body 1, one clasp locking seat 4 on the cover plate 2 is aligned with one clasp 5 on the cover body 1, the other clasp locking seat 4 on the cover plate 2 is correspondingly aligned with the other clasp 5 on the cover body 1, then the cover plate 2 and the cover body 1 are connected and fixed through buckling of the clasp 5 and the clasp locking seats 4, the disassembly and assembly are simple and convenient, the clasp is simple in structure, convenient to install and use, and meanwhile, the acting force contact surface is large, so that locking is firmer. In order to facilitate the taking of the cover plate 2, an anti-skid groove 22 is arranged on the outer side wall of the cover plate 2, and friction force is increased by using the anti-skid groove 22. The lid with traditional integrated structure just so falls into lid 1 and apron 2 two parts, install the lid on the dispensing section of thick bamboo through the mounting structure of two parts difference, earlier with lid 1 with glue's dispensing section of thick bamboo threaded connection, twist reverse lid 1 in this in-process can, then with the tracheal apron 2 of tie point gum machine with lid 1 be connected, lid 2 inserts in the lid 1 and link up lid 2 and lid 1 through the hasp structure promptly, and then seal up the dispensing section of thick bamboo, whole process operation is simple and convenient, lid 1's rotation is the trachea that can not influence on lid 2 before being connected with lid 2, and lid 2 and lid 1's connection need not twist reverse lid 2, just can not influence the trachea on the dispensing machine equally, the problem that the trachea of installing on the lid when the lid was dismantled and assembled to the dispensing section of thick bamboo of traditional integrated structure can produce the distortion, the dismouting is more convenient, do not influence subsequent use.

As shown in fig. 1 and 3, the buckle 5 includes a fixed seat 50 fixedly disposed on an outer wall of the cover 1, a flip cover 51 pivotally connected to the fixed seat 50 through a rotating shaft 52 at an upper portion of the fixed seat 50, a buckle 53 pivotally connected to the flip cover 51, and a torsion spring 54 sleeved on the rotating shaft 52, the fixed seat 50 is fixedly mounted on the outer wall of the cover 1 through a screw, the rotating shaft 52 is fixedly mounted at an upper portion of the fixed seat 50, then the flip cover 51 is sleeved on the rotating shaft 52, the flip cover 51 can be turned over relative to the fixed seat 50, the buckle 53 is pivotally connected to the flip cover 51 and can be turned over relative to the flip cover 51, and the buckle 53 is used for being buckled with the buckle locking seat 4, so as to achieve buckling and locking, a moment arm at one end of the torsion spring 54 is in a linear structure to be abutted against the upper portion of the fixed seat 50, a moment arm at the other end of the torsion spring 54 is in a V-shaped structure and is abutted against a lower portion of the fixed seat 50 in a manner of opening towards the fixed seat 50, a position of the buckle 53 pivotally connected to the flip cover 51 is located below a pivot position of the fixed seat 50, and an end portion of the buckle 53 extends along an extending shaft 530, and the moment arm 530 extends between the V-shaped shaft 530 and the buckle 5 is inserted between the buckle 5 and the buckle locking seat 4, so that the buckle locking structure is convenient to be buckled and unlocked.

As shown in fig. 1 and 3, for the installation of the sealing ring 3 on the extending wall 21, two grooves 210 around the extending wall 21 are arranged on the outer surface of the extending wall 21 corresponding to the internal thread 10 of the cover body 1, the two grooves 210 are arranged at intervals in the axial direction of the extending wall 21, and the sealing ring 3 is installed in each groove 21, so that after the cover is installed on the dispensing cylinder, the sealing ring 3 deforms to achieve sealing, a plurality of sealing structures are formed by the arrangement of the two sealing rings 3, and the sealing effect is enhanced.

While the utility model has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (7)

1. A lid for a dispensing cartridge, characterized by: the sealing device comprises a cylindrical cover body, wherein an internal thread which is used for being in threaded connection with a dispensing cylinder is arranged at the lower part of the inner wall of the cover body, an annular boss which surrounds the inner wall of the cover body in a circle is extended inwards in the radial direction at the upper end of the inner wall of the cover body, a cover plate is arranged on the top end cover of the cover body, a threaded through hole which is coaxial with the cover body is arranged in the center of the top of the cover plate, an extension wall which is coaxial with the threaded through hole and has an inner diameter larger than the diameter of the threaded through hole and can be matched and installed in the annular boss is extended at the bottom surface of the cover plate, the lower end of the extension wall is flush with the lower end of the cover body, and a sealing ring is sleeved on the outer surface corresponding to the internal thread of the cover body; the top surface of apron is provided with two buckle locking seats in radial symmetry, be provided with two hasp that can correspond the lock with two buckle locking seats on the lateral wall of lid.

2. The lid for a dispensing cartridge of claim 1 wherein the snap is a flat-mouth snap.

3. The lid for dispensing cartridge of claim 1, wherein the buckle comprises a fixed seat fixedly arranged on the outer wall of the lid body, a flip cover pivoted on the fixed seat through a rotating shaft at the upper part of the fixed seat, a buckle pivoted on the flip cover, and a torsion spring sleeved on the rotating shaft, wherein a force arm at one end of the torsion spring is in a linear structure and is pressed on the upper part of the fixed seat, a force arm at the other end of the torsion spring is in a V-shaped structure and is pressed on the lower part of the fixed seat in a manner that an opening faces the fixed seat, the pivoted position of the buckle and the flip cover is positioned below the pivoted position of the flip cover and the fixed seat, and an extension shaft extends at the end part of the buckle, and the extension shaft is inserted into a space formed between the force arm of the V-shaped structure of the torsion spring and the fixed seat.

4. The cap for a dispensing cartridge of claim 1, wherein the annular boss has a radial width that is greater than the height of the crests of the internal threads.

5. The cap for a dispensing cartridge of claim 1, wherein the extension wall is provided with two grooves circumferentially around the extension wall on an outer surface corresponding to the internal thread of the cap body, the two grooves being spaced apart in an axial direction of the extension wall, and a sealing ring being installed in each of the grooves.

6. The lid for a dispensing cartridge of claim 1, wherein the outer sidewall of the lid body is provided with anti-slip threads.

7. The lid for a dispensing cartridge of claim 1, wherein: the lateral wall of apron is provided with anti-skidding groove.