CN205225963U - Cell body apron seal structure - Google Patents

Abstract

The utility model discloses a tank body cover sealing structure, which comprises a tank body, a cover plate, a support plate, a sealing strip, bolts, nuts, anti-loosening pins, and a sealing block; the port of the tank body is provided with a support plate, and the A sealing strip and a cover plate are provided on the support plate, and a plurality of screw holes are provided at the junction of the support plate and the cover plate, and the upper part of the screw holes on the cover plate and the lower part of the screw holes of the support plate are provided with hexagonal holes, The bolt and the nut are fixedly connected through the screw hole and the hexagonal hole. The front end of the screw rod of the bolt is provided with a card slot and a locking pin, and the front end of the screw rod is equipped with a sealing block; the new model adopts an embedded nut and a plastic sealing block, And it is fixed by the anti-loosening pin, so that the tank body and the cover plate are firmly connected, the connection between the bolt and the nut is stable, and the cover plate and the tank body are tightly sealed; that is, the connection strength between the metal bolt and the nut is exerted, and the metal parts are guaranteed. Corrosion and no looseness, the overall sealing performance is good.

Description

A tank cover sealing structure

technical field

The utility model relates to the technical equipment field of tank body sealing, in particular to a tank body cover plate sealing structure.

Background technique

Modern science and technology are inseparable from PCB. In the process of PCB production and processing, etchant is used for etching, which is usually carried out in the tank of various plastic materials. The fastening structure of the plastic cover of the traditional tank is generally directly on the plate. The upper hole is connected and fixed by metal or plastic bolts.

In the prior art, when metal bolts are used for fixing, the metal bolts are in direct contact with the plastic. During disassembly and installation, it is easy to cause thread slippage in the threaded holes, resulting in the cover plate not being sealed; if plastic bolts are used for connection, the sealing strength is not enough defect.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a tank body cover plate sealing structure, aiming at the deficiencies in the prior art, taking advantage of the corrosion resistance of metal bolts and plastic materials, using embedded nuts and plastic block heads, And it is fixed by the anti-loosening pin, so that the tank body and the cover plate are firmly connected, the connection between the bolt and the nut is stable, and the cover plate and the tank body are tightly sealed; that is, the connection strength between the metal bolt and the nut is exerted, and the metal parts are guaranteed. Corrosion and no looseness, the overall sealing performance is good.

In order to achieve the above purpose, the technical solution of the utility model is as follows: a tank body cover plate sealing structure, including tank body, cover plate, support plate, sealing strip, bolts, nuts, lock pins, sealing block, characterized in that:

The port of the tank body is horizontally extended and integrated with a support plate, and the support plate surrounds the port of the tank body. The tank body and the support plate are made of plastic material, and a sealing groove is arranged above the support plate. A sealing strip is installed in the sealing groove, and a cover plate is laid horizontally on the support plate, the cover plate is made of plastic material, and the size of the cover plate matches the size of the tank body; the support plate and the cover plate A plurality of screw holes are arranged at the junction, and the screw holes are equal-diameter through holes on the cover plate and the support plate; the upper part of the screw holes on the cover plate and the lower part of the support plate screw holes are provided with hexagonal holes. The hexagonal hole is matched with the outer dimensions of the nut and the nut of the bolt; the depth of the hexagonal hole on the cover plate is the same as the height of the nut, and the depth of the hexagonal hole at the bottom of the cover plate is greater than that of the nut The height of the bolt and the nut is fixedly connected through the screw hole and the hexagonal hole. The front end of the screw of the bolt is provided with a glyph-shaped slot, and the anti-loosening pin is installed in the slot. The length of the anti-loosening pin is the same as that of the hexagonal The length and diameter of the position holes are matched, and the anti-loosening pin is clamped and fixed with the hexagonal position hole to prevent the bolt from loosening; the front end of the screw rod is equipped with a sealing block.

The sealing block is provided with a screw hole, and the screw hole is matched with the screw rod.

The sealing block is one of a round head, a square head or a hexagonal head.

The bolt is a hexagon socket head bolt, and the front end of the screw rod is provided with a slot, and the width of the slot is matched with the diameter of the anti-loosening pin; the nut is a hexagonal nut.

This model is applied to the fastening part of the plastic tank body and the sealing cover made of PCB wet, but it is not limited to the sealing of the cover plate, any other changes or other equivalent fixing methods that do not deviate from the technical solution of the present utility model , are all included in the protection scope of the present utility model.

The working principle of the utility model is as follows: firstly, a through hole is made at the cover plate and the support plate, and then a hexagonal groove is milled out at the through hole on the cover plate and the opposite side of the support plate, that is, a hexagonal hole; the metal nut is embedded in the Inside the support plate, bolts are assembled on the cover plate, the bolts and nuts are fixed tightly, and anti-loosening pins are assembled on one side of the nuts, and the outside is screwed with a plastic sealing block, and the plastic sealing block is welded to the support plate as a support and The sealing element completes the sealed and fixed connection between the tank body and the cover plate.

Through the above-mentioned technical solution, the beneficial effect of the technical solution of the utility model is: to take advantage of the corrosion resistance of metal bolt parts and plastic materials, adopt embedded nuts and plastic block heads, and fix them with anti-loosening pins, so that the tank body and the cover plate The connection between the bolts and nuts is stable, the cover plate and the tank are tightly sealed; it has sufficient fastening strength to effectively seal the tank; it can avoid the phenomenon of thread hole slippage caused by maintenance and disassembly, which will cause the cover plate to fail. Safe sealing; it can avoid direct contact between the fastener and the liquid in the tank, reducing the risk of corrosion and loosening of the fastening part.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of a tank cover sealing structure disclosed in an embodiment of the present invention;

Fig. 2 is an enlarged schematic diagram of A of a tank body cover plate sealing structure disclosed in an embodiment of the present invention.

The corresponding part names indicated by numbers and letters in the figure:

1. Tank body 2. Cover plate 3. Support plate 4. Sealing strip

5. Bolt 6. Nut 7. Anti-loosening pin 8. Sealing block

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

According to Fig. 1 and Fig. 2, the utility model provides a tank body cover plate sealing structure, including a tank body 1, a cover plate 2, a support plate 3, a sealing strip 4, a bolt 5, a nut 6, a lock pin 7, a seal Block 8.

The port of the tank body 1 is horizontally extended and integrally provided with a support plate 3, the support plate 3 surrounds the port of the tank body 1, the tank body 1 and the support plate 3 are made of plastic material, and the support plate 3, a sealing groove is arranged above, and a sealing strip 4 is installed in the sealing groove, and a cover plate 2 is laid horizontally on the support plate 3, and the cover plate 2 is made of plastic material, and the size of the cover plate 2 is consistent with that of the groove The size of the body 1 is matched and set; the joint between the support plate 3 and the cover plate 2 is provided with a plurality of screw holes, and the screw holes are equal-diameter through holes on the cover plate 2 and the support plate 3; The top of the screw hole and the bottom of the support plate 3 screw holes are provided with a hexagonal hole, and the hexagonal hole is matched with the nut of the bolt 5 and the outer dimensions of the nut 6; the depth of the hexagonal hole on the cover plate 2 Same as the height of the nut, the depth of the hexagonal hole at the bottom of the cover plate 2 is greater than the height of the nut 6; the bolt 5 and the nut 6 are fixedly connected through the screw hole and the hexagonal hole, and the screw rod of the bolt 5 The front end is provided with a glyph-shaped card slot, and an anti-loosening pin 7 is installed in the card slot. The length of the anti-loosening pin 7 matches the long diameter of the hexagonal hole, and the anti-loosening pin 7 is clamped and fixed with the hexagonal hole. The bolt 5 is loose; the front end of the screw rod is equipped with a sealing block 8 .

The sealing block 8 is provided with a screw hole, and the screw hole is matched with the screw rod.

The sealing block 8 is one of a round head, a square head or a hexagonal head.

The bolt 5 is a hexagon socket head bolt, and the front end of the screw rod is provided with a slot, and the width of the slot is matched with the diameter of the locking pin 7; the nut is a hexagonal nut.

The specific operation steps of the utility model are as follows: firstly make a through hole at the cover plate 2 and the support plate 3, and then mill out a hexagonal groove at the through hole on the cover plate 2 and the back side of the support plate 3, that is, a hexagonal hole; The metal nut is embedded in the support plate 3, the bolt 5 is assembled on the cover plate 2, the bolt 5 and the nut 6 are fixed tightly, and the anti-loosening pin 7 is assembled on the side of the nut 6, and the outside is screwed with a plastic sealing block 8 , the plastic sealing block 8 and the support plate 3 are welded as a support and a seal, and the sealed and fixed connection between the tank body 1 and the cover plate 2 is completed.

Through the above specific embodiments, the beneficial effect of the utility model is: take advantage of the corrosion resistance of metal bolts and plastic materials, use embedded nuts and plastic block heads, and fix them with anti-loosening pins, so that the gap between the tank body and the cover plate The connection between the bolts and the nuts is stable, and the cover plate and the tank are tightly sealed; with sufficient fastening strength, it can effectively seal the tank body; it can avoid the phenomenon of thread hole slippage caused by maintenance and disassembly, which makes the cover plate unsafe Sealing; it can avoid direct contact between the fastener and the liquid in the tank, reducing the risk of corrosion and loosening of the fastening part.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A tank body cover plate sealing structure, characterized in that it includes a tank body, a cover plate, a support plate, a sealing strip, bolts, nuts, lock pins, and a sealing block; A support plate is provided, and the support plate surrounds the port of the tank body. The tank body and the support plate are made of plastic material. A sealing groove is arranged above the support plate, and a sealing strip is installed in the sealing groove. A cover plate is laid horizontally on the support plate, the cover plate is made of plastic material, and the size of the cover plate is matched with the size of the tank body; a plurality of screw holes are arranged at the junction of the support plate and the cover plate, so that The screw holes are equal-diameter through holes on the cover plate and the support plate; the upper part of the screw hole on the cover plate and the lower part of the support plate screw hole are provided with hexagonal holes, and the hexagonal holes are connected with the nuts and nuts of the bolts. The external dimensions of the cover plate are matched with each other; the depth of the hexagonal hole on the cover plate is the same as the height of the nut, and the depth of the hexagonal hole on the lower part of the cover plate is greater than the height of the nut; the bolt and the nut pass through the screw hole It is fixedly connected with the hexagonal hole, and the front end of the screw rod of the bolt is provided with a glyph-shaped slot, and the anti-loosening pin is installed in the slot, and the length of the anti-loosening pin is matched with the long diameter of the hexagonal hole. The pin is clamped and fixed with the hexagonal hole to prevent the bolt from loosening; the front end of the screw rod is equipped with a sealing block. 2 . The sealing structure of the tank body cover plate according to claim 1 , wherein the sealing block is provided with a screw hole, and the screw hole is matched with the screw rod. 3 . 3 . The sealing structure of the tank cover plate according to claim 1 , wherein the sealing block is one of a round head, a square head or a hexagonal head. 4 . 4. A tank cover sealing structure according to claim 1, characterized in that the bolt is a hexagon socket head bolt, and the front end of the screw rod is provided with a slot, and the width of the slot is matched with the diameter of the anti-loosening pin. ; The nut is a hexagonal nut.