CN217501467U - Pressure regulating type explosion-proof hollow glass - Google Patents

Abstract

The utility model relates to an explosion-proof cavity glass of pressure regulating formula, including the frame, be equipped with jar chamber and valve pocket in the frame, jar chamber both sides are respectively through-hole one and through-hole two and cavity glass's outside and inside intercommunication, and jar intracavity is equipped with piston and spring one, and valve pocket one side is through-hole three and the inside intercommunication of cavity glass, is equipped with case and spring two in the valve pocket, is equipped with the ejector pin on the case, and spring two is supported in case and valve pocket inner wall within a definite time, still including locating the spout on the frame surface, and the ejector pin passes the valve hole extends in the spout, and it is equipped with the box of taking out to slide in the spout, is equipped with the material changing mouth on the box top of taking out, takes out the box and installs in the spout through seal assembly dismantlement formula. The piston can slide in the cylinder cavity, so that the volume of the space inside the hollow glass can be adjusted, the reduction of the air pressure difference inside and outside the hollow glass is facilitated, the hollow glass is effectively protected, and the breakage of the hollow glass is avoided; and through the matching design of the drawer and the sealing assembly, the drying agent can be replaced quickly and conveniently.

Description

Pressure regulating type explosion-proof hollow glass

Technical Field

The utility model belongs to the technical field of cavity glass, in particular to explosion-proof cavity glass of pressure regulating formula.

Background

Most of hollow glass supports two glass sheets on two sides through an annular frame, and sealant is required to be coated on the periphery of the frame, so that the two glass sheets and the frame form a sealed inner space, and inert gas with certain pressure is required to be injected into the inner space of the hollow glass to achieve the effects of heat preservation and heat insulation. And often a desiccant (molecular sieve) is also required in the frame in order to dry the gas in the interior space to avoid fogging. However, in the existing hollow glass, the drying agent is arranged in the frame, and the frame structure is not detachable, so that the drying agent cannot be replaced; and because the volume of the inner space of the hollow glass is not adjustable, when the hollow glass is used in a freezing chamber or a heating chamber and other occasions, the temperature change of the inner space of the hollow glass is large, the gas in the inner space is easy to generate serious expansion caused by heat and contraction caused by cold, the glass sheets on two sides are easily extruded excessively, and the breakage of the hollow glass is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure regulating type explosion-proof hollow glass to solve the technical problem in the above-mentioned background art.

The utility model discloses the technical scheme who adopts:

the pressure regulating type explosion-proof hollow glass comprises a frame, glass sheets are adhered to two sides of the frame through a sealant, a plurality of cylinder cavities and valve cavities are arranged in the frame, two sides of each cylinder cavity are respectively communicated with the outside and the inside of the hollow glass through a first through hole and a second through hole, a piston and a first spring are arranged in the cylinder cavity, two ends of the first spring are respectively connected to the inner wall of the cylinder cavity and the side surface of the piston, one side of the valve cavity is communicated with the inside of the hollow glass through a third through hole, the other side of the valve core is provided with a valve hole, a valve core and a spring II are arranged in the valve hole, a mandril is arranged on the valve core, the second spring is abutted between the valve core and the inner wall of the valve cavity and also comprises a plurality of sliding chutes arranged on the outer surface of the frame, the ejector rod penetrates through the valve hole and extends into the sliding groove, a drawer is arranged in the sliding groove in a sliding manner, the top of the drawing box is provided with a material changing port, and the drawing box is detachably installed in the sliding groove through a sealing assembly.

Furthermore, a guide rod is arranged on one side, away from the spring I, of the piston, and the guide rod penetrates through the side wall of the cylinder cavity in a sliding mode.

Furthermore, a plurality of through holes IV communicated with the sliding grooves are formed in the side wall of the drawing box.

Furthermore, the valve core and the valve hole are both in frustum structures, and sealing layers are arranged on the valve core or/and the valve hole.

Further, seal assembly is including locating apron and sealing washer one, the apron is located take out on the box lateral surface, the apron through a plurality of screw install in on the frame surface, take out and be equipped with sealing washer two between box and frame, sealing washer one inlay in take out on the box.

Furthermore, the four corners of the frame are provided with protruding parts extending along the inside of the hollow glass, and the cylinder cavity, the valve cavity and the sliding groove are all arranged in the protruding parts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first spring is abutted between the piston and the inner wall of the cylinder cavity, so that after inert gas with certain pressure is injected into the hollow glass, the piston is positioned in the middle of the cylinder cavity, and when expansion and contraction are generated in the hollow glass, the piston can slide in the cylinder cavity to adjust the volume of the inner space of the hollow glass, so that the pressure inside the hollow glass is adjusted, the problem that the glass sheet is broken due to overlarge or undersize inner pressure of the hollow glass is avoided, and the application environment of the hollow glass is greatly improved.

2. The drawer box is detachably mounted in the sliding groove through the sealing assembly, so that the drawer box can be quickly disassembled and assembled and the drying agent can be replaced conveniently, and the drying agent can be replaced conveniently.

3. When the drawer is drawn out of the sliding chute, the second spring pushes the valve core to abut against the valve hole, so that the inside of the hollow glass is isolated from the outside, a large amount of inert gas inside the hollow glass is prevented from leaking, inconvenience caused by the need of frequently supplementing and filling the inert gas is avoided, and the waste of the inert gas can be effectively reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a view taken along the line B in FIG. 2;

FIG. 4 is a schematic top view of the drawer;

in the figure: 1. a glass sheet; 2. a cover plate; 3. a screw; 4. a second sealing ring; 5. a first through hole; 6. a first spring; 7. a cylinder chamber; 8. a piston; 9. a guide bar; 10. a second through hole; 11. a chute; 12. a second spring; 13. a third through hole; 14. a valve cavity; 15. a valve core; 16. valve hole, 17, ejector pin; 18. a fourth through hole; 19. a material changing port; 20. a first sealing ring; 21. sealing glue; 22. drawing the box; 23. a frame; 24. a raised portion.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides an explosion-proof cavity glass of pressure regulating formula, including frame 23, frame 23 is the loop configuration, frame 23 both sides all have glass piece 1 through sealed glue 21 bonding, be equipped with a plurality of jar chambeies 7 in the frame 23, be equipped with piston 8 and spring 6 in jar chamber 7, the both ends of spring 6 are connected respectively on jar chamber 7 inner wall and piston 8 side, jar chamber 7 one side is equipped with a plurality of through-holes 5, make jar chamber 7 one side through-hole 5 and the outside intercommunication of cavity glass, jar chamber 7 opposite side is equipped with through-hole two 10, make jar chamber 7 opposite side pass through-hole two 10 and cavity glass's inside intercommunication.

By means of the matching arrangement of the first spring 6 and the piston 8, after inert gas is filled into the hollow glass, the inert gas in the hollow glass enters the space of the cylinder cavity 7 on the right side of the piston 8 through the second through hole 10, the piston 8 is pushed to slide towards the left side in the cylinder cavity 7 and compress the first spring 6, the piston 8 is located in the middle of the cylinder cavity 7, air pressure greater than the outside is generated in the hollow glass, the support of the glass sheets 1 on the two sides is facilitated, and the soft collapse feeling of the middle parts of the glass sheets 1 on the two sides is avoided; in the process, the air on the left side of the cylinder cavity 7 is discharged outside the hollow glass through the first through hole 5, the piston 8 can slide in the cylinder cavity 7 conveniently, when the hollow glass generates expansion with heat and contraction with cold inside, the piston 8 can slide in the cylinder cavity 7 by utilizing the pressure difference between the inside and the outside of the hollow glass, the internal volume of the hollow glass can be changed, the internal pressure of the hollow glass can be adjusted, the problem that the glass sheet 1 is broken due to the overlarge or undersize internal pressure of the hollow glass can be avoided, and the application environment of the hollow glass can be greatly improved.

A plurality of valve cavities 14 are arranged in the frame 23, one side of each valve cavity 14 is communicated with the inside of the hollow glass through a third through hole 13, a valve hole 16 is arranged on the other side of each valve cavity 14, a valve core 15 and a second spring 12 are arranged in each valve cavity 14, each valve core 15 and each valve hole 16 are of a frustum structure, a sealing layer is arranged on each valve core 15 or/and each valve hole 16, the sealing effect on each valve hole 16 is enhanced through the sealing layer, a push rod 17 is arranged on each valve core 15, each spring 12 is abutted against the space between each valve core 15 and the inner wall of each valve cavity 14, the air conditioner further comprises a plurality of sliding grooves 11 arranged on the outer surface of the frame 23, each push rod 17 penetrates through each valve hole 16 and extends into each sliding groove 11, a pumping box 22 is arranged in each sliding mode in each sliding groove 11, a material changing port 19 is arranged on the top of each pumping box 22, a plurality of through holes 18 communicated with the sliding grooves 11 are arranged on the side wall of each pumping box 22, drying agents are thrown or poured into or poured out of each pumping box 22 through each through hole 18, the drawer 22 is removably mounted in the chute 11 by a seal assembly.

When the drying agent is used, the drying agent is filled into the pumping box 22 through the material changing opening 19, the pumping box 22 is hermetically installed in the sliding groove 11 through the sealing assembly, at the moment, the front end of the pumping box 22 jacks the valve core 15 from the valve hole 16 through the ejector rod 17, the interior of the hollow glass is communicated with the interior of the pumping box 22 through the third through hole 13, the valve cavity 14, the valve hole 16 and the fourth through hole 18 in sequence, and the drying agent is used for drying the interior of the hollow glass. When the drying agent needs to be replaced, the pumping box 22 is pumped out from the sliding groove 11, the front end of the pumping box 22 leaves the ejector rod 17, the valve core 15 is abutted to the valve hole 16 under the action of the second spring 12, the inside of the hollow glass is isolated from the outside, a large amount of inert gas in the hollow glass is prevented from being leaked, inconvenience caused by the fact that the inert gas needs to be frequently supplemented and filled is avoided, and waste of the inert gas can be effectively reduced.

Specifically, a guide rod 9 is arranged on one side of the piston 8, which is far away from the first spring 6, and the guide rod 9 is slidably arranged on the side wall of the cylinder cavity 7 in a penetrating manner. The guide rod 9 is used for guiding the sliding of the piston 8, and is beneficial to increasing the sealing property between the piston 8 and the cylinder cavity 7.

Specifically, the sealing assembly comprises a cover plate 2 and a first sealing ring 20, the cover plate 2 is arranged on the outer side surface of a drawing box 22, the cover plate 2 is arranged on the outer surface of a frame 23 through a plurality of screws 3, the drawing box 22 can be quickly disassembled and assembled through the screws 3, a second sealing ring 4 is arranged between the drawing box 22 and the frame 23, the sealing effect between the drawing box 22 and the frame 23 is favorably improved through the second sealing ring 4, the first sealing ring 20 is embedded in the drawing box 22, the second sealing ring 4 and the first sealing ring 20 are both of an annular structure, and the first sealing ring 20 and an ejector rod 17 are matched to make the second sealing ring 4 still be positioned between the drawing box 22 and the inner wall of a sliding groove 11 to seal when the drawing box 22 is separated from the ejector rod 17, so that the leakage of inert gas in the process of disassembling and assembling the drawing box 22 is further reduced.

Specifically, the four corners of the frame 23 are extended with protrusions 24 along the inside of the hollow glass, and the cylinder chamber 7, the valve chamber 14 and the chute 11 are all disposed in the protrusions 24. The design volumes of the cylinder cavity 7 and the chute 11 are improved, and the pressure regulating range and the thrown dry agent amount are further improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides an explosion-proof cavity glass of pressure regulating formula, includes the frame, and the frame both sides have glass piece, its characterized in that through sealed gluey bonding: the improved glass pump is characterized in that a plurality of cylinder cavities and a plurality of valve cavities are arranged in the frame, two sides of each cylinder cavity are communicated with the outside and the inside of the hollow glass through a first through hole and a second through hole respectively, a piston and a first spring are arranged in each cylinder cavity, two ends of each spring are connected to the inner wall of each cylinder cavity and the side face of each piston respectively, one side of each valve cavity is communicated with the inside of the hollow glass through a third through hole, a valve hole is formed in the other side of each valve cavity, a valve core and a second spring are arranged in each valve cavity, an ejector rod is arranged on each valve core, the second springs abut against the space between each valve core and the inner wall of each valve cavity and further comprise a plurality of sliding grooves formed in the outer surface of the frame, the ejector rods penetrate through the valve holes and extend into the sliding grooves, a pumping box is arranged in each sliding groove in a sliding mode, a material replacing hole is formed in the top of the pumping box, and the pumping box is detachably installed in the sliding grooves through a sealing assembly.

2. The pressure regulating type explosion-proof hollow glass according to claim 1, characterized in that: and a guide rod is arranged on one side of the piston, which is far away from the spring I, and the guide rod is slidably arranged on the side wall of the cylinder cavity in a penetrating manner.

3. The pressure regulating type explosion-proof hollow glass according to claim 1, characterized in that: and a plurality of through holes IV communicated with the sliding grooves are formed in the side wall of the drawing box.

4. The pressure regulating type explosion-proof hollow glass according to claim 1, characterized in that: the valve core and the valve hole are both frustum-shaped structures, and a sealing layer is arranged on the valve core or/and the valve hole.

5. The pressure regulating type explosion-proof hollow glass according to claim 1, characterized in that: the sealing assembly comprises a cover plate and a first sealing ring, the cover plate is arranged on the outer side surface of the drawing box, the cover plate is installed on the outer surface of the frame through a plurality of screws, a second sealing ring is arranged between the drawing box and the frame, and the first sealing ring is embedded in the drawing box.

6. The pressure regulating type explosion-proof hollow glass according to claim 1, characterized in that: the four corners of the frame are provided with bulges extending along the inside of the hollow glass, and the cylinder cavity, the valve cavity and the sliding chute are arranged in the bulges.

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