Sealing cover fastening device

Abstract

The utility model discloses a sealing cover fastening device which comprises a sealing cover body and a base, the base is arranged at the bottom of the sealing cover body, meanwhile, the bottom of the base is connected with a bottle body in an attached mode, and the sealing cover fastening device further comprises limiting rods, the two limiting rods are symmetrically arranged about the vertical center line of the sealing cover body, the bottom ends of the two limiting rods both penetrate and extend to the two sides of the top of the bottle body, meanwhile, the two limiting rods are of the same structure, and limiting blocks are slidably installed in grooves in the bottoms of the limiting rods in a penetrating mode. According to the sealing cover fastening device, grooves are formed in the outer sides of the tops of the two limiting rods, and pull rods are slidably mounted through first extrusion springs, so that when a sealing cover body needs to be rapidly disassembled and assembled, the pull rods are manually pulled to drive limiting blocks to contract and move through pull ropes, the limiting blocks are separated from a bottle body, and the sealing cover body is conveniently disassembled and assembled. And at the moment, the sealing cover body can be quickly disassembled, assembled and replaced, and the operation is more time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing covers, and particularly relates to a sealing cover fastening device. Background Technique

[0002] A sealing cover is a cover that can completely seal the inside of a device or container to prevent the external environment from affecting the internal contents. Because it has the advantages of protecting internal components, extending service life, and maintaining product freshness, the sealing cover is mainly applied in fields such as the packaging field, the equipment manufacturing field, and the daily necessities field;

[0003] When the sealing cover is sealed and fastened, most of them are positioned and fixed by means of screw fastening. However, this screw cover fastening method will cause the sealing cover to be easily loosened when it is collided and squeezed, thus reducing the sealing performance of the sealing cover and making it inconvenient for the stable use of the sealing cover in the later stage;

[0004] In order to overcome the above defects, in the prior art 1 (a Chinese patent with the application number CN201821130998.7 and the application date of July 17, 2018), in a sealing cover fastening device for a heat preservation furnace, by rotating the rotating disk, the rotating disk drives the rotating piece to rotate, and the rotation of the rotating piece drives the lifting plate to move in the vertical direction, so as to realize that the lifting plate drives the sealing plate to seal the top of the heat preservation barrel, and the sealing ring fits tightly with the top of the heat preservation barrel, which is beneficial to improving the sealing performance of the device;

[0005] Although the prior art can improve the sealing performance of the sealing cover, there is no reset mechanism to reset and eject the loosened sealing cover after the seal is loosened, and manual disassembly and replacement are still required, which is very time-consuming and laborious and inconvenient for the stable use of the sealing cover in the later stage;

[0006] Therefore, we propose a sealing cover fastening device that can well solve the above problems. Content of the Utility Model

[0007] The purpose of the utility model is to provide a sealing cover fastening device to solve the problem that in the current market, when the sealing cover is sealed and fastened, most of them are positioned and fixed by means of screw fastening. However, this screw cover fastening method will cause the sealing cover to be easily loosened when it is collided and squeezed, thus reducing the sealing performance of the sealing cover and making it inconvenient for the stable use of the sealing cover in the later stage as mentioned in the above background technique.

[0008] To achieve the above purpose, the utility model provides the following technical solution: a sealing cover fastening device, including a sealing cover body and a base, wherein the base is arranged at the bottom of the sealing cover body, and at the same time, the bottom of the base is in close connection with a bottle body;

[0009] It further includes: Limiting rods are installed through slots at both inner ends of the base, and the two limiting rods are symmetrically arranged with respect to the vertical center line of the sealing cover body. The bottom ends of the two limiting rods penetrate and extend to both sides of the top of the bottle body, and the structures of the two limiting rods are the same.

[0010] Preferably, a limiting block is slidably installed through a slot at the bottom of the limiting rod, and the outer end of the limiting block penetrates and extends to the outside of the bottom of the limiting rod, and at the same time, the outer end of the limiting block penetrates and extends to the inner side of the top of the bottle body.

[0011] Preferably, a second compression spring is arranged in a slot on the inner side of the bottom of the limiting rod, and the outer end of the second compression spring is connected to the limiting block.

[0012] Preferably, a pull rod is slidably installed through a slot at the top of the limiting rod, a pull rope is connected to the bottom of the pull rod, and the outer end of the pull rope is connected to the limiting block through a guide wheel.

[0013] Preferably, a first compression spring is arranged in a slot at the top end of the limiting rod, and the bottom end of the first compression spring is connected to the pull rod.

[0014] Preferably, two reset springs are arranged in slots on the front and rear sides of the bottom of the base, the bottoms of every two reset springs are connected to a top plate, and the bottoms of the two top plates are attached to the front and rear sides of the top of the bottle body.

[0015] Preferably, a circle of anti-slip convex ribs is arranged on the outer side of the top of the sealing cover body, and the circle of anti-slip convex ribs is arranged at equal intervals.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] (1) Limiting rods are provided. By arranging a base at the bottom of the sealing cover body, and then installing limiting rods through slots at both inner ends of the base, and extending the bottom ends of the two limiting rods to both ends of the top of the bottle body. When the sealing cover body needs to be quickly positioned and sealed, just press the two limiting rods to penetrate and extend to both ends of the top of the bottle body. At this time, the two second compression springs will automatically eject the two limiting blocks into both ends of the bottle body by their own elastic force. Subsequently, the position of the installed sealing cover body can be positioned and fixed, avoiding the phenomenon that the sealing cover body loosens due to external extrusion and collision in the later stage, and improving the sealing performance of the sealing cover body;

[0018] (2) Further, by slidably installing pull rods through slots on the outer sides of the tops of the two limiting rods through first compression springs. When the sealing cover body needs to be quickly disassembled and assembled, just manually pull the pull rods to drive the limiting blocks to contract and move through the pull ropes, so that the limiting blocks are separated from the bottle body. At this time, the sealing cover body can be quickly disassembled and replaced, and the operation is more time-saving and labor-saving;

[0019] (3) Anti-skid convex ridges are provided. A circle of anti-skid convex ridges is provided at equal intervals on the outer side of the sealing cover body. The anti-skid convex ridges can increase the friction of the sealing cover body itself, thereby preventing the sealing cover body from loosening and slipping when it is disassembled and assembled later, thereby improving the stability of the sealing cover body;

[0020] (4) A top plate is provided. The top plates are provided by slotting the bottom of the base on both the front and rear sides. Then, the bottoms of the two top plates are fitted on the front and rear sides of the bottle body. When the sealing cover body is positioned and installed, the two top plates will squeeze and limit the sealing cover body after it is squeezed down.

[0021] (5) Furthermore, two return springs are arranged on both the front and rear sides of the bottom of the sealing cover body, and then the bottom of each of the two return springs is connected to a top plate. The position of the top plate after the extrusion and descent can be elastically reset by the elastic force of each of the two return springs, so that the sealing cover body can be automatically ejected, and the sealing cover body can be better disassembled, assembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the sealing cover body and the bottle body of the utility model;

[0024] Figure 3 This is a schematic diagram of the bottom view of the sealing cover body and the base of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the sealing cover body and the base of the utility model from a top view;

[0026] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the limit rod and the pull rod of the utility model;

[0028] Figure 7 It is a schematic diagram of the partial main cross-section structure of the limit rod of the utility model.

[0029] In the figure: 1. Sealing cover body; 2. Anti-skid ridges; 3. Base; 4. Bottle body; 5. Limit rod; 6. Pull rod; 7. First extrusion spring; 8. Limit block; 9. Top plate; 10. Return spring; 11. Second extrusion spring; 12. Pull rope. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] The present utility model provides the following technical solutions:

[0032] In the first embodiment, to solve the problem that the fastening method of the existing sealing cover body 1 is prone to looseness of the sealing cover body 1 when subjected to collision and extrusion, thereby reducing the sealing performance of the sealing cover body 1, the following is disclosed:

[0033] A sealing cover body 1 and a base 3, wherein the base 3 is provided at the bottom of the sealing cover body 1, and at the same time, the bottom of the base 3 is adhesively connected to a bottle body 4;

[0034] It further includes: Limiting rods 5 are installed through grooves at both ends inside the base 3, and the two limiting rods 5 are symmetrically arranged about the vertical center line of the sealing cover body 1, and the bottom ends of the two limiting rods 5 both penetrate and extend to both sides of the top of the bottle body 4, and the structures of the two limiting rods 5 are the same.

[0035] A limiting block 8 is installed through a groove at the bottom of the limiting rod 5 in a sliding manner, and the outer end of the limiting block 8 penetrates and extends to the outside of the bottom of the limiting rod 5, and at the same time, the outer end of the limiting block 8 penetrates and extends to the inner side of the top of the bottle body 4. A second compression spring 11 is arranged in a groove at the inner side of the bottom of the limiting rod 5, and the outer end of the second compression spring 11 is connected to the limiting block 8.

[0036] A pull rod 6 is installed through a groove at the top of the limiting rod 5 in a sliding manner, and a pull rope 12 is connected to the bottom of the pull rod 6, and the outer end of the pull rope 12 is connected to the limiting block 8 through a guide wheel. A first compression spring 7 is arranged in a groove at the top end of the limiting rod 5, and the bottom end of the first compression spring 7 is connected to the pull rod 6.

[0037] As Figures 1 - 7 shown, when it is necessary to position and fasten the sealing cover body 1, only need to press the two limiting rods 5 to squeeze and descend, so that the two limiting rods 5 penetrate and extend to both ends of the top of the bottle body 4. At this time, use the elastic force of the two second compression springs 11 to automatically eject the two limiting blocks 8 to the inner side of the top of the bottle body 4, so as to tightly fix and position the position of the installed sealing cover body 1, avoid the phenomenon of loosening of the sealing cover body 1 when it is subjected to extrusion and collision in the later stage, and improve the use sealing performance of the sealing cover body 1;

[0038] When it is necessary to quickly disassemble and assemble the sealing cover body 1, just manually pull the two pull rods 6 to drive the two pull ropes 12 to pull the two limit blocks 8 to contract and move through the guide wheels. At this time, the two limit blocks 8 can be separated from the bottle body 4, and then the base 3 can be separated from the bottle body 4, so that the sealing cover body 1 can be quickly disassembled and assembled, and the operation is more time-saving and labor-saving.

[0039] Embodiment 2, different from Embodiment 1, the disassembled sealing cover body 1 can be automatically ejected to better disassemble, assemble and replace it, and discloses:

[0040] Two reset springs 10 are arranged in grooves on the front and rear sides of the bottom of the base 3, and the bottoms of every two reset springs 10 are connected with a top plate 9. At the same time, the bottoms of the two top plates 9 are in close contact with the front and rear sides of the top of the bottle body 4.

[0041] A circle of anti-slip ribs 2 is arranged on the outer side of the top of the sealing cover body 1, and the circle of anti-slip ribs 2 is arranged at equal intervals.

[0042] As Figures 1 - 5 shown, after the base 3 is separated from the bottle body 4, the two reset springs 10 arranged on the front and rear sides of the bottom of the base 3 will squeeze the two top plates 9 through their own elastic force, so that the sealing cover body 1 can be automatically ejected through the two top plates 9, and the automatic ejection of the sealing cover body 1 can be realized, and the practicability is better.

[0043] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A sealing cover fastening device, comprising a sealing cover body (1) and a base (3), wherein the base (3) is arranged at the bottom of the sealing cover body (1), and at the same time, the bottom of the base (3) is adhesively connected to a bottle body (4); It is characterized in that It further comprises: Both ends inside the base (3) are provided with limiting rods (5) installed through slots, and the two limiting rods (5) are symmetrically arranged about the vertical center line of the sealing cover body (1), and the bottom ends of the two limiting rods (5) both penetrate and extend to both sides of the top of the bottle body (4), and at the same time, the structures of the two limiting rods (5) are the same.

2. The sealing cap fastening device according to claim 1, wherein: A limiting block (8) is slidably installed through a slot at the bottom of the limiting rod (5), and the outer end of the limiting block (8) penetrates and extends to the outside of the bottom of the limiting rod (5), and at the same time, the outer end of the limiting block (8) penetrates and extends to the inside of the top of the bottle body (4).

3. A sealing cover fastening device according to claim 2, characterized in that: A second compression spring (11) is arranged in a slot on the inner side of the bottom of the limiting rod (5), and the outer end of the second compression spring (11) is connected to the limiting block (8).

4. A sealing cap fastening device according to claim 3, characterized in that: A pull rod (6) is slidably installed through a slot at the top of the limiting rod (5), and a pull rope (12) is connected to the bottom of the pull rod (6), and the outer end of the pull rope (12) is connected to the limiting block (8) through a guide wheel.

5. A sealing cover fastening device according to claim 4, characterized in that: A first compression spring (7) is arranged in a slot at the top end of the limiting rod (5), and the bottom end of the first compression spring (7) is connected to the pull rod (6).

6. The sealing cap fastening device according to claim 1, wherein: Two reset springs (10) are arranged in slots on the front and rear sides of the bottom of the base (3), and the bottoms of every two reset springs (10) are connected to a top plate (9), and at the same time, the bottoms of the two top plates (9) are adhesively connected to the front and rear sides of the top of the bottle body (4).

7. A sealing cover fastening device according to claim 1, characterized in that: A circle of anti-slip ridges (2) is arranged on the outer side of the top of the sealing cover body (1), and the circle of anti-slip ridges (2) is arranged at equal intervals.

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