CN112918900B

CN112918900B - Anti-tilting barrel cover of large-diameter barrel

Info

Publication number: CN112918900B
Application number: CN202110229572.7A
Authority: CN
Inventors: 刘兴顺; 李俊岭
Original assignee: Anhui Xinao Food Packaging Technology Co ltd
Current assignee: Anhui Xinao Food Packaging Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-08-26
Anticipated expiration: 2041-03-02
Also published as: CN112918900A

Abstract

The invention discloses an anti-tilting barrel cover of a large-diameter barrel, which comprises: the barrel comprises an upper barrel cover, a lower barrel cover, a barrel body and a lever assembly; the upper barrel cover is sleeved on the lower barrel cover, the internal thread on the inner wall of the lower end of the lower barrel cover is matched and connected with the thread groove of the barrel body when being screwed, and the inner wall of the lower end of the upper barrel cover is provided with a lever component which is embedded into the shell of the upper barrel cover; when the lower barrel cover is obliquely screwed, the sliding pin in the lower barrel cover slides upwards, so that the locking cover in the upper barrel cover is obliquely turned, the effect of amplifying the lever principle is realized, the telescopic rod is upwards tilted through the swinging of the straight rod in the lever assembly, and the effect of prompting a user of tooth dislocation is achieved; the large-diameter barrel cover can actively prompt a user that the barrel cover inclines after being obliquely screwed, so that the problems that the barrel body of the large-diameter plastic barrel is provided with fewer threads and is easy to generate staggered teeth are solved, and leakage in the transportation process is prevented.

Description

Anti-tilting barrel cover of large-diameter barrel

Technical Field

The invention belongs to the technical field of sealing and inclination prevention, and particularly relates to a large-caliber inclination prevention barrel cover.

Background

At present, large-caliber plastic barrels used in the market are not easy to move after being filled with liquid, and have the problems that the threads of the barrel cover are few, the staggered teeth or the untightening situation is easy to occur, and further the liquid is easy to leak in the transportation process; at the present stage, few people consider the problem in the field of preventing the barrel cover from tilting, so that the tilting of the barrel cover of the large-caliber plastic barrel is still a non-negligible problem;

therefore, the design of the anti-tilting barrel cover for actively prompting a user that the barrel cover is tilted or staggered is urgently needed.

Disclosure of Invention

In order to solve the problems, the invention discloses an anti-inclination barrel cover of a large-diameter barrel, which comprises: the barrel comprises an upper barrel cover, a lower barrel cover, a barrel body and a lever assembly; the upper barrel cover is sleeved on the lower barrel cover, the internal thread of the inner wall of the lower end of the lower barrel cover is matched and connected with the thread groove of the barrel body when being screwed, the inner wall of the lower end of the upper barrel cover is provided with a lever assembly, and the lever assembly is circumferentially arranged and embedded into the shell of the upper barrel cover; when the lower barrel cover is obliquely screwed, the sliding pin in the lower barrel cover slides upwards, so that the locking cover in the upper barrel cover is obliquely turned, the effect of amplifying the lever principle is realized, the telescopic rod is upwards tilted through the swinging of the straight rod in the lever assembly, and the effect of prompting a user of tooth dislocation is achieved; the large-diameter barrel cover can actively prompt a user that the barrel cover inclines after being obliquely screwed, so that the problems that the large-diameter plastic barrel body has fewer threads and is easy to generate staggered teeth are solved, and leakage in the transportation process is prevented.

The technical scheme adopted by the invention is as follows: an anti-tilt cover for a large-diameter barrel, comprising: the inner wall of the upper end of the cylinder body is provided with a thread groove; further comprising: the upper barrel cover is sleeved on the lower barrel cover, an internal thread matched with a thread groove in the barrel body is arranged on the inner wall of the lower end of the lower barrel cover, a sliding rod is arranged on the lower surface of the upper barrel cover and is connected with the upper barrel cover in a sliding mode, the lower end of the sliding rod is hinged with a locking cover in the upper barrel cover, the locking cover is in clearance fit with the inner wall of the upper barrel cover, at least three lever assemblies are arranged on the inner wall of the lower end of the upper barrel cover and are circumferentially arranged and embedded in a shell of the upper barrel cover, the number of sliding pins corresponds to the number of the lever assemblies and are circumferentially arranged along the upper surface of the lower barrel cover, a clamping head is arranged at the upper end of each sliding pin and is located between the lower barrel cover and the locking cover, the lower end of each sliding pin is flush with the lower surface of the lower barrel cover, and the sliding pins are connected with a rectangular groove in the lower barrel cover in a sliding mode; the lever assembly includes: the telescopic rod is in sliding connection with a round hole penetrating through the upper barrel cover, one end of the straight rod is in movable contact with the edge of the lower end of the locking cover, the other end of the straight rod is in movable connection with the lower end of the telescopic rod all the time, the straight rod is fixed on the rotating shaft, the round hole of the rotating shaft is formed in the outer wall of the upper barrel cover, the rotating shaft penetrates through the straight rod and is fixedly connected with the straight rod, and a space for the straight rod to swing up and down is correspondingly reserved at the front end of the lever assembly.

By pressing the upper barrel cover downwards, the lower end of the sliding pin is flush with the lower surface of the lower barrel cover, so that the barrel body gradually jacks up the sliding pin, the locking cover rises along the inner wall of the upper barrel cover when being correctly screwed, the extension of the sliding pin is the same, the locking cover is positioned on the same plane, the internal thread in the lower barrel cover is correctly matched with the thread groove in the barrel body, and the screwing of the large-caliber barrel cover is finished; when last bung failed the level and screwed up with the barrel, the locking lid promoted down and rises at the sliding pin, because the sliding pin elongation is different, locking lid cooperation slide bar rotates, and the straight-bar is pressed to the locking lid after the slope, and the bung was exposed through pivot jack-up telescopic link to the straight-bar other end, in time made the suggestion.

Preferably, the inner wall of the upper end of the upper barrel cover is provided with an annular groove for the slide rod to slide up and down.

Preferably, the inner wall of the upper barrel cover is provided with grooves for enabling the locking cover to deflect and then be locked when the upper barrel cover is obliquely screwed, so that the effect of protecting the inner thread of the lower barrel cover is achieved.

Preferably, the upper tub cover further includes: a locking cover spring and a slide rod spring; one end of the locking cover spring is fixed on the upper surface of the inner wall of the upper barrel cover, and the other end of the locking cover spring is fixedly connected with the upper surface of the locking cover and used for downward resetting of the locking cover; the slide bar spring is arranged between the slide bar and the annular groove and used for resetting the slide bar.

Preferably, the slide bar is hinged to the locking cover by a universal ball at a lower end thereof for locking the deflection of the cover.

Preferably, a sealing ring is arranged in the lower barrel cover and is positioned below the sliding pin.

Preferably, the lever assembly further comprises: and the return spring is used for returning the telescopic rod downwards when the telescopic rod is jacked up.

Preferably, a triangular groove and a chute corresponding to the lever assembly are formed in the shell of the upper barrel cover and are respectively located at the upper end and the lower end of the straight rod.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the upper barrel cover is pressed downwards, the lower end of the sliding pin is flush with the lower surface of the lower barrel cover, so that the barrel body gradually jacks up the sliding pin, the locking cover also rises along with the rising of the sliding pin, the extension of the sliding pin is the same when the sliding pin is correctly screwed, the locking cover is positioned on the same plane, and the internal thread in the lower barrel cover is correctly matched with the thread groove in the barrel body, so that the screwing of the large-caliber barrel cover is completed; when the upper barrel cover is not horizontally screwed with the barrel body, the locking cover is matched with the sliding rod to rotate due to different elongation of the sliding pin, the inclined locking cover presses the straight rod, the other end of the straight rod jacks up the telescopic rod to expose the upper barrel cover through the rotating shaft, a user is timely prompted to stretch out the other end of the telescopic rod to generate inclined staggered teeth, the inclined staggered teeth are formed after the inclined locking cover is reversely screwed, the problems that the threads of the barrel body of the large-caliber plastic barrel are few, the staggered teeth are easy to generate are solved, and leakage in the transportation process is prevented.

2. The inner wall of the lower barrel cover adopts a groove structure, so that the locking cover is deflected and locked when the upper barrel cover is obliquely screwed, and the effect of protecting the internal thread of the lower barrel cover is achieved.

3. The sealing ring is arranged in the lower barrel cover, so that the liquid is prevented from leaking laterally after being screwed correctly.

Drawings

Fig. 1 is a schematic view of the overall structure of the large-caliber barrel of the present invention.

FIG. 2 is a schematic view of the internal structure of the upper and lower anti-tilt covers of the large-diameter barrel according to the present invention.

Fig. 3 is a partial enlarged view of the invention at a in fig. 2.

Fig. 4 is an overall sectional view of the large-caliber tub of the present invention.

Fig. 5 is a partially enlarged view of the invention at B in fig. 4.

Fig. 6 is a partial enlarged view of the invention at C in fig. 4.

Fig. 7 is a partial enlarged view of the invention at D in fig. 4.

Fig. 8 is a schematic structural view of the lower ends of the upper and lower covers according to the present invention.

Fig. 9 is a schematic structural view of a lower barrel cover of the present invention.

FIG. 10 is a schematic view of the slide pin of the present invention.

Fig. 11 is a schematic structural view of the lever assembly of the present invention.

Reference numerals: 1-upper barrel cover; 2-lower barrel cover; 3-a cylinder body; 4-a lever assembly; 101-a locking cover; 102-a locking cap spring; 103-a slide bar; 104-a gimbaled ball; 105-a slide bar spring; 106-a ring groove; 107-rotating shaft round holes; 108-flutes; 201-sliding pin; 202-sealing ring; 203-rectangular groove; 401-telescopic rod; 402-straight rod; 403-a rotating shaft; 404-return spring.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples with reference to the accompanying drawings of fig. 1 to 11. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

Example 1, as shown in fig. 1 to 11, a large-caliber pail anti-tilting lid comprises: the inner wall of the upper end of the cylinder 3 is provided with a thread groove; it is characterized by also comprising: the upper barrel cover 1, the lower barrel cover 2 and the lever components 4, wherein the upper barrel cover 1 is sleeved on the lower barrel cover 2, the inner wall of the lower end of the lower barrel cover 2 is provided with an internal thread matched with a thread groove in the barrel body 3, the lower surface of the upper barrel cover 1 is provided with a slide rod 103, the slide rod 103 is connected with the upper barrel cover 1 in a sliding manner, the lower end of the slide rod 103 is hinged with a locking cover 101 in the upper barrel cover 1, the locking cover 101 is in clearance fit with the inner wall of the upper barrel cover 1, the inner wall of the lower end of the upper barrel cover 1 is at least provided with three lever components 4 which are circumferentially arranged and embedded into a shell of the upper barrel cover 1, the number of the slide pins 201 corresponds to that of the lever components 4 and are circumferentially arranged along the upper surface of the lower barrel cover 2, the upper end of each slide pin 201 is provided with a clamping head positioned between the lower barrel cover 2 and the locking cover 101, the lower end of the lower barrel cover 2 is flush with the lower surface, and the slide pins 201 are connected with the rectangular grooves 203 in the lower barrel cover 2 in a sliding manner; the lever assembly 4 includes: the telescopic rod 401 is connected with a round hole penetrating through the upper barrel cover 1 in a sliding mode, one end of the straight rod 402 is in movable contact with the edge of the lower end of the locking cover 101, the other end of the straight rod is always movably connected with the lower end of the telescopic rod 401, the round hole 107 of the rotary shaft is formed in the outer wall of the upper barrel cover 1, the straight rod 402 is fixed on the rotary shaft 403, the rotary shaft 403 penetrates through the straight rod 402 and is fixedly connected with the straight rod 402, and a space for the straight rod 402 to swing up and down is correspondingly reserved at the front end of the lever assembly 4; the benefit that sets up like this is, through last bung 1, lower bung 2, the setting of barrel 3, make barrel 3 jack up down sliding pin 201 on the bung 2, thereby drive locking lid 101 and rise, can accomplish down the tightening of bung 2 and barrel 3 when correctly twisting, can make locking lid 101 upset when twisting in the slope of last bung 1 again, thereby setting through lever assembly 4, utilize lever principle to rotate through pivot 403, make straight-bar 402 other end telescopic link 401 perk upwards, thereby the condition of wrong tooth appears in the suggestion user, in time the reversal is heavily twisted.

By means of the mechanism, the upper barrel cover 1 is pressed downwards, the lower end of the sliding pin 201 is flush with the lower surface of the lower barrel cover 2, so that the barrel body 3 gradually jacks up the sliding pin 201, the locking cover 101 ascends along the inner wall of the upper barrel cover 1 when being correctly screwed, the sliding pin 201 has the same elongation, the locking cover 101 is positioned on the same plane, the internal thread in the lower barrel cover 2 is correctly matched with the thread groove in the barrel body 3, and the large-caliber barrel cover is screwed; when the upper barrel cover 1 cannot be screwed with the barrel 3 horizontally, the locking cover 101 is pushed by the sliding pin 201 to rise, due to the fact that the sliding pin 201 is different in extension amount, the locking cover 101 rotates in cooperation with the sliding rod 103, the inclined locking cover 101 presses the straight rod 402, the straight rod 402 jacks up the telescopic rod 401 through the rotating shaft 403 to expose the upper barrel cover 1, and prompt is timely given.

As a preferred implementation manner of this embodiment, an annular groove 106 for the sliding rod 103 to slide up and down is formed on the inner wall of the upper end of the upper barrel cover 1; the advantage of this arrangement is that the slide rod 103 slides up and down more smoothly due to the annular groove 106.

As a preferred embodiment of the present embodiment, the inner walls of the upper barrel cover 1 are provided with grooves 108, so that when the upper barrel cover 1 is screwed obliquely, the locking cover 101 is deflected and locked, thereby achieving the effect of protecting the internal thread of the lower barrel cover 2; the benefit that sets up like this is, through the setting that upper barrel cover 1 inner wall adopted the fluted 108 structure, guaranteed that the slope revolves when twisting down bung 2 can't further twist to the barrel 3 on to prevent that the internal thread on the bung 2 and the thread groove on the barrel 3 from the wrong tooth cooperation and taking place the flank of tooth wearing and tearing down.

The upper barrel cover 1 further comprises: a lock cover spring 102, a slide rod spring 105; one end of a locking cover spring 102 is fixed on the upper surface of the inner wall of the upper barrel cover 1, and the other end of the locking cover spring is fixedly connected with the upper surface of the locking cover 101 and used for downward resetting of the locking cover 101; a slide rod spring 105 is arranged between the slide rod 103 and the annular groove 106 and is used for resetting the slide rod 103; the advantage of this arrangement is that the locking cover 101 and the slide bar 103 can be recycled many times by the arrangement of the locking cover spring 102 and the slide bar spring 105.

As a preferred embodiment of the present embodiment, the sliding rod 103 is hinged to the locking cover 101 through a universal ball 104 at its lower end for locking any angular offset of the cover 101 in the horizontal direction; this arrangement has the advantage that the locking cap 101 is easily turned over along the ball 104 by the ball 104.

As a preferred embodiment of this embodiment, a sealing ring 202 is arranged in the lower barrel cover 2 and is located below the sliding pin 201; this has the advantage that, by virtue of the provision of the sealing ring 202, it is prevented that liquid does not leak out after correct screwing.

In this embodiment, the lever assembly 4 further includes: a return spring 404 for returning the telescopic rod 401 downward when it is jacked up; the advantage of this arrangement is that, through the arrangement of the return spring 404, the telescopic rod 401 converts the elastic potential energy of the return spring 404 into the kinetic energy of moving downwards after the wrong screwing and opening, thereby automatically resetting.

As a preferred embodiment of this embodiment, a triangular groove and a chute corresponding to the lever assembly 4 are formed in the housing of the upper barrel cover 1, and are respectively located at the upper end and the lower end of the straight rod 402; the advantage of this arrangement is that the straight rod 402 in the lever assembly 4 can swing up and down conveniently by the arrangement of the triangular groove and the inclined groove.

The working principle of the invention is as follows:

when the lower barrel cover 2 is horizontally and correctly screwed, the upper barrel cover 1 is pressed downwards at first, the barrel body 3 gradually jacks up the sliding pin 201 as the lower end of the sliding pin 201 is flush with the lower surface of the lower barrel cover 2, the locking cover 101 rises along the inner wall of the upper barrel cover when being correctly screwed, and the three sliding pins 201 slide upwards along the corresponding rectangular grooves 203 of the lower barrel cover 2 and are always positioned on the same horizontal plane as being horizontally and correctly screwed until the internal thread of the lower barrel cover 2 and the first tooth of the thread groove at the upper end of the barrel body 3 are screwed, and then the screwing is continued.

When the upper barrel cover 1 cannot be horizontally and correctly screwed or obliquely screwed, the upper barrel cover 1 is pressed downwards at first, because the lower ends of the sliding pins 201 are flush with the lower surfaces of the upper barrel cover 1 and the lower barrel cover 2, the three sliding pins 201 in the lower barrel cover 2 slide upwards under the contact of the outer edge of the barrel body 3 so as to extrude the locking cover 101 upwards, but because the upper barrel cover 1 is obliquely screwed, the three sliding pins 201 extend upwards in different amounts, so that the locking cover 101 deflects and turns over around the universal ball 104 at the top end of the sliding rod 103 to be in an oblique state and is locked in the groove 108 of the upper barrel cover, one end of the locking cover 101 is raised, the other end of the locking cover 101 is lowered, the lowered end presses one end of the straight rod 402 on one side, the other end of the straight rod 402 pushes up the telescopic rod 401 under the action of the rotating shaft 403, thereby prompting a user that the upper barrel cover 1 is inclined, the upper barrel cover 1 rotates backwards and is screwed out of the barrel body 3, and at this time the locking cover 101 rotates backwards and withdraws from the barrel body 3, The sliding rod 103 and the telescopic rod 401 respectively realize automatic reset under the elastic force action of the locking cover spring 102, the sliding rod spring 103 and the reset spring 404, and can be screwed again in time, so that the accuracy of screwing is conveniently and quickly ensured.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims

1. An anti-tilt bung for large-caliber drums, comprising: the barrel (3), the inner wall of the upper end of the barrel (3) is provided with a thread groove; it is characterized by also comprising: the barrel comprises an upper barrel cover (1), a lower barrel cover (2) and lever components (4), wherein the upper barrel cover (1) is sleeved on the lower barrel cover (2), the inner wall of the lower end of the lower barrel cover (2) is provided with an internal thread matched with a thread groove in a barrel body (3), the lower surface of the upper barrel cover (1) is provided with a sliding rod (103), the sliding rod (103) is connected with the upper barrel cover (1) in a sliding manner, the lower end of the sliding rod is hinged with a locking cover (101) in the upper barrel cover (1), the locking cover (101) is in clearance fit with the inner wall of the upper barrel cover (1), the inner wall of the upper barrel cover (1) is at least provided with three lever components (4), the lever components (4) are circumferentially arranged and embedded into a shell of the upper barrel cover (1), sliding pins (201) are arranged along the circumference of the upper surface of the lower barrel cover (2), the number of the sliding pins (201) corresponds to that of the lever components (4), the upper ends of the sliding pins (201) are provided with clamping heads and are positioned between the lower barrel cover (2) and the locking cover (101), the lower end of the sliding pin is flush with the lower surface of the lower barrel cover (2), and the sliding pin (201) is connected with the rectangular groove (203) in the lower barrel cover (2) in a sliding manner; the lever assembly (4) comprises: the telescopic rod (401) is connected with a circular hole penetrating through an upper barrel cover (1) in a sliding mode, one end of the straight rod (402) is in movable contact with the edge of the lower end of a locking cover (101), the other end of the straight rod is always in movable connection with the lower end of the telescopic rod (401), the rotating shaft (403) penetrates through the straight rod (402) and is fixedly connected with the straight rod (402), a rotating shaft circular hole (107) is formed in the outer wall of the upper barrel cover (1), the rotating shaft (403) is in rotary connection with the rotating shaft circular hole (107), and a space for the straight rod (402) to swing up and down is correspondingly reserved at the front end of the lever assembly (4);

by pressing the upper barrel cover (1) downwards, the lower end of the sliding pin (201) is flush with the lower surface of the lower barrel cover (2), so that the sliding pin (201) is gradually jacked up by the barrel body (3), the locking cover (101) rises along the inner wall of the upper barrel cover (1) when the sliding pin (201) is correctly screwed, the sliding pin (201) has the same extension amount, so that the locking cover (101) is positioned on the same plane, and the internal thread in the lower barrel cover (2) is correctly matched with the thread groove in the barrel body (3), so that the large-diameter barrel cover is screwed; when the upper barrel cover (1) cannot be horizontally screwed with the barrel body (3), the locking cover (101) rises under the pushing of the sliding pin (201), the locking cover (101) is matched with the sliding rod (103) to rotate due to different extending amounts of the sliding pin (201), the inclined locking cover (101) presses the straight rod (402), the other end of the straight rod (402) jacks up the telescopic rod (401) through the rotating shaft (403) to expose the upper barrel cover (1), and prompt is timely made.

2. The large-caliber barrel anti-tilt barrel cover according to claim 1, wherein the inner wall of the upper end of the upper barrel cover (1) is provided with an annular groove (106) for the sliding rod (103) to slide up and down.

3. The anti-tilt barrel cover of the large-diameter barrel according to claim 2, wherein the inner wall of the upper barrel cover (1) is provided with grooves (108) for deflecting and locking the locking cover (101) when the upper barrel cover (1) is tilted and screwed, so as to protect the internal thread of the lower barrel cover (2).

4. The large-caliber barrel anti-tilt barrel cover according to claim 3, wherein the upper barrel cover (1) further comprises: a lock cover spring (102), a slide rod spring (105); one end of the locking cover spring (102) is fixed on the upper surface of the inner wall of the upper barrel cover (1), and the other end of the locking cover spring is fixedly connected with the upper surface of the locking cover (101) and used for downward resetting of the locking cover (101); the sliding rod spring (105) is arranged between the sliding rod (103) and the annular groove (106) and used for resetting the sliding rod (103).

5. The large-caliber barrel anti-tilt barrel cover according to claim 1, wherein the sliding rod (103) is hinged with the locking cover (101) through a universal ball (104) at the lower end thereof.

6. The large-caliber barrel anti-tilt barrel cover according to claim 1, wherein a sealing ring (202) is arranged in the lower barrel cover (2) and is positioned below the sliding pin (201).

7. The large-caliber barrel anti-tilt barrel cover according to claim 1, wherein the lever assembly (4) further comprises: and the return spring (404) is used for returning downwards when the telescopic rod (401) is jacked up.

8. The anti-tilt barrel cover of the large-caliber barrel according to claim 7, wherein a triangular groove and a chute corresponding to the lever assembly (4) are formed in the shell of the upper barrel cover (1) and are respectively positioned at the upper end and the lower end of the straight rod (402).