CN209892814U

CN209892814U - Pore sealing assembly for pressure regulating device

Info

Publication number: CN209892814U
Application number: CN201920534496.9U
Authority: CN
Inventors: 王灏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-03
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to an air hole sealing component for a pressure regulating device, which comprises a pressure regulating box, wherein the top of the pressure regulating box is provided with a ventilation branch piece, an air hole sealing component is arranged at the air hole of the ventilation support piece, a hole sealing component and a limiting component are arranged in the inner cavity of the air hole sealing component, the hole sealing component comprises a first base which is of an inner hollow structure, a first movable rod is movably arranged in the first base, the outer rod end of the first movable rod is provided with a connecting seat, the bottom end of the connecting seat is provided with a plug plate, the plug plate is provided with a sealing head, the limiting assembly comprises a second base, the movable end of the second base is provided with a second movable rod, limit stop is installed to the outer pole end of second movable rod, and this application sets up the elasticity of spring and the pressure formation balancing force of air current, still is provided with spacing subassembly to guarantee the gas tightness.

Description

Pore sealing assembly for pressure regulating device

Technical Field

The utility model relates to a sealing member technical field, concretely relates to pore sealing subassembly for regulator.

Background

Conventional spring relief valve is including the valve body of threaded connection on the disk seat, has the working chamber that communicates with operational environment and the exhaust chamber that communicates with the external world in the valve body, communicates each other through the valve port between working chamber and the exhaust chamber, is equipped with the valve rod by the spring top is held in the working chamber, and the valve rod upper end after wearing out the valve port is equipped with seal ring, under the effect of spring, makes the valve rod have the trend of moving down, and then makes seal ring keep laminating valve port trend to block working chamber and exhaust chamber. However, due to the problem of the elasticity of the spring, the problem of insufficient airtightness often exists after a long time.

Chinese patent (No. CN207378146U) discloses an axle air release plug vent hole sealing structure, and the similar bolt is a sealing structure which is also a common technical method in the prior art, but the defect is obvious, the air hole can not be adjusted enough, and the replacement of accessories in the subsequent maintenance is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least one kind defect among the prior art, provides a pore seal assembly for pressure regulating device.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

an air hole sealing assembly for a pressure regulating device comprises a pressure regulating box, wherein the pressure regulating box is externally connected with an air pressure pipeline, an air hole sealing assembly is arranged at the top of the pressure regulating box, the air hole sealing assembly is arranged at the air hole of the air hole sealing assembly, a hole sealing assembly and a limiting assembly are arranged in the inner cavity of the air hole sealing assembly, the hole sealing assembly comprises a first base, the first base is of an inner hollow structure, a first movable rod is movably arranged in the first base, a connecting seat is arranged at the outer rod end of the first movable rod, a plug plate is arranged at the bottom end of the connecting seat, a sealing head is arranged on the plug plate, a first extrusion spring is wound on the first movable rod, one end of the first extrusion spring is fixedly connected with the connecting seat, the other end of the first extrusion spring is arranged on the first base, the limiting assembly comprises a second base, and a second movable rod is arranged at the movable end of the second base, limit stop is installed to the outer pole end of second movable rod, one side that limit stop is close to the gas pocket is straight face, one side that limit stop kept away from the gas pocket is the arc curved surface, the winding has second extrusion spring on the second movable rod, the one end and the limit stop fixed connection of second extrusion spring, the other end and the second base of second extrusion spring are connected.

As a further aspect of the present invention: the side of hole sealing subassembly and spacing subassembly all is provided with the guide rail, the connecting rod is installed to the side of connecting seat and limit stop, all install the ball on the connecting rod, the equal gomphosis of ball is to corresponding in the guide rail.

As a further aspect of the present invention: the outside of guide rail all is provided with electric slide bar, the sliding sleeve is all installed to the outer pole end of connecting rod, the sliding sleeve cover is established on corresponding electric slide bar, the dog is all installed to electric slide bar's rod end.

As a further aspect of the present invention: sealed head includes stiff end and seal end, the stiff end is installed on the cock board, the last cover of seal end is equipped with first sealing washer and second sealing washer respectively.

As a further aspect of the present invention: the thread core is installed to stiff end bottom, the built-in screw of sealed end, the stiff end passes through the screw thread installation with sealed end.

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

the elastic force of the spring and the pressure of the air flow form balance force, so that the pressure regulator can work in a matched mode conveniently, and the extrusion springs with different elastic coefficients can be replaced for different air tightness parts, so that air tightness adjustment is facilitated.

This application is provided with spacing subassembly, carries out spacing block to the cock board, guarantees the position of cock board in vertical direction to guarantee the gas tightness of jam.

And the side edges of the hole sealing assembly and the limiting assembly are provided with a guide rail mechanism and an electric slide rod mechanism, so that the stability of the hole sealing assembly and the limiting assembly during operation is ensured, and the sealing head is convenient to overhaul or replace at regular time.

The sealing head adopts a split structural design, so that the daily maintenance is convenient, different sealing ends can be matched according to air holes with different apertures, and the applicability is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an installation schematic diagram of the present invention on a pressure regulating box.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of the middle hole sealing assembly and the limiting assembly of the present invention.

Fig. 4 is a schematic structural diagram of the middle sealing head of the present invention.

FIG. 5 is an exploded view of the middle sealing head of the present invention

In the figure: 1-pressure regulating box, 11-pneumatic pipeline, 12-barometer, 13-ventilation support piece, 2-air hole sealing component, 21-guide rail, 22-connecting rod, 23-rolling ball, 24-electric sliding rod, 25-sliding sleeve, 26-stop block, 3-hole sealing component, 31-first base, 32-first movable rod, 33-first extrusion spring, 34-connecting seat, 35-plug plate, 4-limit component, 41-second base, 42-second movable rod, 43-second extrusion spring, 44-limit stop block, 5-sealing head, 51-fixed end, 52-sealing end, 53-second sealing ring, 54-first sealing ring, 55-thread core and 56-screw hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1, an air hole sealing assembly for a pressure regulating device includes a pressure regulating box 1, the pressure regulating box 1 is externally connected with an air pressure pipeline 11, a ventilation branch 13 is arranged at the top of the pressure regulating box 1, an air hole sealing assembly 2 is installed at an air hole of the ventilation branch 13, and an air pressure gauge 12 is installed at a side edge of the air hole sealing assembly 2.

Referring to fig. 2 and 3, a hole sealing assembly 3 and a limiting assembly 4 are disposed in an inner cavity of the air hole sealing assembly 2, the hole sealing assembly 3 includes a first base 31, the first base 31 is of an inner hollow structure, a first movable rod 32 is movably mounted in the first base 31, a connecting seat 34 is mounted at an outer rod end of the first movable rod 32, a plug plate 35 is mounted at a bottom end of the connecting seat 34, a sealing head 5 is mounted on the plug plate 35, a first extrusion spring 33 is wound on the first movable rod 32, one end of the first extrusion spring 33 is fixedly connected with the connecting seat 34, the other end of the first extrusion spring 33 is mounted on the first base 31, the limiting assembly 4 includes a second base 41, a second movable rod 42 is mounted at a movable end of the second base 41, and a limiting stopper 44 is mounted at an outer rod end of the second movable rod 42, the side that limit stop 44 is close to the gas pocket is the straight face, the side that limit stop 44 keeps away from the gas pocket is the arc curved surface, the winding has second extrusion spring 43 on the second movable rod 42, the one end and the limit stop 44 fixed connection of second extrusion spring 43, the other end and the second base 41 of second extrusion spring 43 are connected.

The utility model discloses an operating principle, sealed head 5 blocks up in the gas pocket position, the air current forms ascending effort to it, gas pocket seal assembly 2 installs the gas pocket position at a piece 13 of ventilating, first extrusion spring 33 provides decurrent extrusion force, thereby make cock board 35 receive decurrent effort, opposite with the effort direction of air current, the elasticity of spring forms the equilibrant with the pressure of air current, when pressure is greater than elasticity, carry out suitable gassing promptly, after elasticity is greater than pressure again, promote sealed head 5 to move down sealed promptly, thereby be convenient for with regulator cooperation work. For different air tightness parts, the extrusion springs with different elastic coefficients can be replaced, thereby facilitating the adjustment of air tightness.

This application still is provided with spacing subassembly 4, guarantee that it can not appear gas leakage phenomenon, when the installation of gas pocket seal assembly 2, cock board 35 downstream, cock board 35 contacts with spacing block 44's arc curved surface, thereby can provide a level to tangential effort, make spacing block 44 move to the left, when cock board 35 descends to sealing position completely, cock board 35 and spacing block 44 contactless, second extrusion spring 4 release elastic potential energy promotes spacing block 44 and resets this moment, spacing block 44's straight face and cock board 35 contact, carry out spacing block to it, guarantee cock board 35 in the position of vertical direction, thereby guarantee the gas tightness of jam.

Example two

Referring to fig. 2, this embodiment is a further optimization of the embodiment, on the basis of which, the side edges of the hole sealing assembly 3 and the limiting assembly 4 are both provided with a guide rail 21, the side edges of the connecting seat 34 and the limiting stopper 44 are provided with a connecting rod 22, the connecting rod 22 is both provided with a ball 23, and the ball 23 is both embedded into the corresponding guide rail 21. This application is through guide rail mechanism for when guaranteeing hole sealing subassembly 3 and spacing subassembly 4 installation or operation, limit stop 44 and the driven stability of cock board 35.

The outside of guide rail 21 all is provided with electronic slide bar 24, sliding sleeve 25 is all installed to the outer pole end of connecting rod 22, sliding sleeve 25 cover is established on corresponding electronic slide bar 24, dog 26 is all installed to the rod end of electronic slide bar 24. For the convenience of subsequent maintenance operation, this application sets up above-mentioned mechanism, during the operation, through the electric slide bar 24 that starts spacing subassembly 4 department, the shrink of pulling electric slide bar 24, dog 26 and then drives sliding sleeve 25 and move to a left side to drive limit stop 44 and remove, no longer spacing to plugboard 35, and in the same way, the electric slide bar 24 of restarting hole sealing subassembly 3 one side drives plugboard 35 and shifts up, and then extracts sealed head 5, and the convenience is overhauld or is changed sealed head 5 regularly.

EXAMPLE III

Referring to fig. 4 and fig. 5, the embodiment is further optimized, the sealing head 5 includes a fixed end 51 and a sealing end 52, the fixed end 51 is mounted on the plug 35, and the sealing end 52 is sleeved with a first sealing ring 54 and a second sealing ring 53 respectively. This application adopts double seal structure, and first sealing washer 54 pads is established between gas pocket inner chamber and sealing head 5, and second sealing washer 53 pads is established in the gas pocket mouth position.

Thread core 55 is installed to stiff end 51 bottom, the built-in screw 56 of sealed end 52, stiff end 51 passes through the screw thread installation with sealed end 52, is convenient for change sealed end 52, and the daily maintenance of being convenient for is to the gas pocket in different apertures simultaneously, change sealed end 52 can, the operation is very convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an air hole seal assembly for pressure regulating device, includes pressure regulating box (1), external atmospheric pressure pipeline (11) of pressure regulating box (1), pressure regulating box (1) top is provided with a piece (13) of ventilating, air hole seal assembly (2) are installed to the gas hole department of a piece (13) of ventilating, air hole seal assembly (2) inner chamber is provided with hole sealing subassembly (3) and spacing subassembly (4), its characterized in that, hole sealing subassembly (3) are including first base (31), first base (31) are interior hollow structure, movable mounting has first movable rod (32) in first base (31), connecting seat (34) are installed to the outer pole end of first movable rod (32), cock board (35) are installed to the bottom of connecting seat (34), install sealing head (5) on cock board (35), spacing subassembly (4) include second base (41), second movable rod (42) are installed to the expansion end of second base (41), limit stop (44) are installed to the outer pole end of second movable rod (42), one side that limit stop (44) are close to the gas pocket is the straight face, one side that limit stop (44) keep away from the gas pocket is the arc curved surface.

2. The air hole sealing assembly for the pressure regulating device according to claim 1, wherein a first extrusion spring (33) is wound on the first movable rod (32), one end of the first extrusion spring (33) is fixedly connected with the connecting seat (34), the other end of the first extrusion spring (33) is installed on the first base (31), a second extrusion spring (43) is wound on the second movable rod (42), one end of the second extrusion spring (43) is fixedly connected with the limit stop (44), and the other end of the second extrusion spring (43) is connected with the second base (41).

3. The air hole sealing assembly for the pressure regulating device according to claim 1 or 2, wherein the side edges of the hole sealing assembly (3) and the limiting assembly (4) are provided with guide rails (21), the side edges of the connecting seat (34) and the limiting stopper (44) are provided with connecting rods (22), the connecting rods (22) are provided with balls (23), and the balls (23) are embedded into the corresponding guide rails (21).

4. The air hole sealing assembly for the pressure regulating device according to claim 3, wherein electric sliding rods (24) are arranged on the outer sides of the guide rails (21), sliding sleeves (25) are arranged at the outer rod ends of the connecting rods (22), the sliding sleeves (25) are sleeved on the corresponding electric sliding rods (24), and stop blocks (26) are arranged at the rod ends of the electric sliding rods (24).

5. The air hole sealing assembly for the pressure regulating device according to claim 1 or 2, wherein the sealing head (5) comprises a fixed end (51) and a sealing end (52), the fixed end (51) is installed on the plug plate (35), and the sealing end (52) is respectively sleeved with a first sealing ring (54) and a second sealing ring (53).

6. The air hole sealing assembly for the pressure regulating device according to claim 5, wherein a threaded core (55) is installed at the bottom of the fixing end (51), a threaded hole (56) is arranged in the sealing end (52), and the fixing end (51) and the sealing end (52) are installed through threads.