CN211525624U

CN211525624U - Top suction type one-way explosion-proof valve for dust conveying pipeline

Info

Publication number: CN211525624U
Application number: CN201922362557.0U
Authority: CN
Inventors: 舒远
Original assignee: Xuzhou Kaitai Safety Equipment Co ltd
Current assignee: Xuzhou Kaitai Safety Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a top suction type one-way explosion-proof valve used on a dust conveying pipeline, which belongs to the technical field of explosion-proof valves and comprises a valve body, a sealing component, an explosion-proof glue and a pressure-resistant layer, wherein the sealing component is arranged inside the valve body, the pressure-resistant layer is arranged below a limiting pipe, the explosion-proof glue is bonded outside the pipeline body, an anti-skid rubber pad is arranged between a runner and a limiting block arranged at the top end of a valve rod, and a triangular wedge block is fixed at the vertex angle at the joint between a fixing frame and a fixing rod outside the valve rod, the structure can further fix the valve rod under the condition of preventing the runner from automatically sliding, improve the stability of the valve rod, a sealing piece and a joint are connected through a snap ring, an expansion spring is connected between the sealing block and the snap ring which are fixed outside the joint, and the explosion-proof glue filled inside the valve body can improve the, the explosion-proof effect of the valve body is further optimized.

Description

Top suction type one-way explosion-proof valve for dust conveying pipeline

Technical Field

The utility model belongs to the technical field of the flame proof valve, concretely relates to a top suction type one-way flame proof valve for on dust conveying pipeline.

Background

The explosion-proof valve is used in a dust removal system containing combustible gas or combustible substances and can be used as a pressure relief device of an explosive pipeline or equipment. The diaphragm of the explosion-proof valve is usually calculated according to the operating pressure of a dust removal system and the content of combustible substances, then the material and the thickness scratch are selected, and the explosion-proof valve is mainly applied to equipment hydraulic systems without mechanical locking systems, such as large mechanical stages, lifters, elevators, automobile detection and maintenance girders, and mainly plays a role in protection and prevents safety accidents. Belongs to the locking measure of a hydraulic system.

A general explosion-proof valve has the advantages that the pipeline body is closed to achieve an explosion-proof effect by rotating the rotating wheel, any anti-skid device is not arranged between the rotating wheel and the valve rod, the phenomenon that the rotating wheel slides after being screwed can occur, so that the pipeline body is prone to generating gaps, the explosion-proof function is affected, and the situation that the explosion-proof performance is insufficient and accidental explosion occurs can be caused under the condition that the sealing performance in the valve body is insufficient.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a top suction type one-way flame proof valve used on a dust conveying pipeline, which has the characteristics of sliding prevention and good sealing performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a one-way flame proof valve of formula is inhaled on top for on defeated dirt pipeline, includes valve body, seal assembly, explosion-proof glue and compressive layer, the inside of valve body is provided with seal assembly, and the upper end of valve body is provided with the dead lever, the mount is installed on the top of dead lever, the lower extreme of mount is fixed with the triangle voussoir, and the inside of mount runs through there is the valve rod, spacing pipe has been cup jointed to the inside of valve rod, and the outside of valve rod is provided with the airtight piece of inner core, the top of spacing pipe is provided with the stopper, and the below of spacing pipe is provided with the compressive layer, the top of stopper is connected with anti-skidding rubber pad, the upper end of anti-skidding rubber pad is fixed with the runner, one side of seal assembly is provided with the.

Preferably, seal assembly includes sealing member, snap ring, expanding spring, connects, sealed piece and opening, wherein, the inside of sealing member is provided with the opening, and the lower extreme of sealing member is connected with the snap ring, the lower extreme of snap ring is provided with the joint, the outside that connects is fixed with sealed piece, the interior bottom of sealed piece is connected with expanding spring.

Preferably, the rotating wheel is connected with the limiting block through an anti-skid rubber pad, the limiting pipe is sleeved with the valve rod through a sleeve ring, and the fixing frame is fixedly connected with the fixing rod through a triangular wedge block.

Preferably, one end of the valve rod penetrating through the inner core airtight block is connected with the sealing assembly through a flange, and the pressure-resistant layer is fixed at the joint of the valve rod and the valve body.

Preferably, the pipeline body and the valve body are of an integrated structure, and the periphery of the pipeline body in the valve body is filled with the explosion-proof glue.

Preferably, the sealing element is connected with the sealing element through a clamping ring, the sealing block and the joint are of an integrated structure, and the inner bottom end of the sealing block is elastically connected with the clamping ring through a telescopic spring.

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

1. the utility model discloses a set up anti-skidding rubber pad between the stopper of runner and valve rod top installation, fix the fixed triangle voussoir of apex angle of junction between the mount in the valve rod outside and the dead lever, this kind of structure can carry out further fixed to the valve rod under the circumstances that prevents runner self-sliding, improves the stability of valve rod.

2. The utility model discloses a snap ring is connected the sealing member and is connected, fixes and is connected expanding spring between the sealed piece that connects the outside and the snap ring, and the leakproofness after this kind of structure cooperation valve body is inside to be filled can improve the valve body and close is further optimized the explosion-proof effect of valve body.

Drawings

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

fig. 2 is a schematic structural view of the sealing assembly of the present invention;

in the figure: 1. a fixed mount; 2. a triangular wedge block; 3. fixing the rod; 4. a valve stem; 5. a valve body; 6. a pipe body; 7. a seal assembly; 71. a seal member; 72. a snap ring; 73. a tension spring; 74. a joint; 75. a sealing block; 76. a port; 8. explosion-proof glue; 9. a pressure resistant layer; 10. an inner core airtight block; 11. a limiting pipe; 12. a limiting block; 13. an anti-skid rubber pad; 14. a rotating wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a top-suction type one-way explosion-proof valve used on a dust conveying pipeline comprises a valve body 5, a sealing assembly 7, explosion-proof glue 8 and a compression-resistant layer 9, wherein the sealing assembly 7 is arranged inside the valve body 5, a fixing rod 3 is arranged at the upper end of the valve body 5, a fixing frame 1 is installed at the top end of the fixing rod 3, a triangular wedge block 2 is fixed at the lower end of the fixing frame 1, a valve rod 4 penetrates through the fixing frame 1, a limiting pipe 11 is sleeved inside the valve rod 4, an inner core airtight block 10 is arranged on the outer side of the valve rod 4, a limiting block 12 is arranged at the top end of the limiting pipe 11, the compression-resistant layer 9 is arranged below the limiting pipe 11, in order to improve the stability of the valve rod 4, a rotating wheel 14 is connected with the limiting block 12 through an anti-skid rubber pad 13, the limiting pipe 11 is sleeved with; in order to install the pressure-resistant layer 9, one end of the valve rod 4 penetrating through the inner core airtight block 10 is connected with the sealing assembly 7 through a flange, and the pressure-resistant layer 9 is fixed at the connecting position of the valve rod 4 and the valve body 5; the top of stopper 12 is connected with anti-skidding rubber pad 13, and anti-skidding rubber pad 13's upper end is fixed with runner 14, and one side of seal assembly 7 is provided with the pipeline body 6, and the outside of the pipeline body 6 bonds and has explosion-proof glue 8, and in order to realize the explosion-proof effect of valve body 5, the pipeline body 6 has explosion-proof glue 8 with valve body 5 formula structure as an organic whole, and the periphery that the inside of valve body 5 is located the pipeline body 6 is filled.

The sealing assembly 7 comprises a sealing element 71, a clamping ring 72, an expansion spring 73, a joint 74, a sealing block 75 and a through port 76, wherein the through port 76 is arranged inside the sealing element 71, the lower end of the sealing element 71 is connected with the clamping ring 72, the joint 74 is arranged at the lower end of the clamping ring 72, the sealing block 75 is fixed on the outer side of the joint 74, the expansion spring 73 is connected to the inner bottom end of the sealing block 75, in order to improve the sealing performance after the valve body 5 is closed, the sealing element 71 is connected with the sealing element 71 through the clamping ring 72, the sealing block 75 and the joint 74 are of an integrated structure, and the inner bottom end of the sealing block 75 is elastically connected with the.

The utility model discloses a theory of operation and use flow: firstly, the runner 14 is screwed to push the valve rod 4, and the sealing assembly 7 connected with the valve rod 4 is further moved downwards to block the pipeline body 6, because the triangular wedge block 2 is arranged between the fixed frame 1 arranged at the outer side of the valve rod 4 and the fixed rod 3 arranged at the upper end of the valve body 5, and the anti-skid rubber gasket 13 is adhered between the limiting block 12 arranged at the upper end of the limiting pipe 11 sleeved with the valve rod 4 and the runner 14, the matching effect of the structure can be fixed after the runner 14 is screwed, the condition that the pipeline body 6 is reopened due to the sliding of the runner 14 is avoided, in addition, in the internal structure of the sealing assembly 7, the sealing element 71 internally provided with the through hole 76 is connected with the joint 74 for blocking the pipeline body 6 through the snap ring 72, and the telescopic spring 73 is connected between the inner bottom end of the sealing block 75 fixed at the outer side of the joint 74 and the lower end of the snap ring 72, and the structure can ensure that the snap ring 72 is automatically pressed downwards to further ensure the And the explosion-proof performance of the valve body 5 is further optimized by matching the explosion-proof glue 8 filled in the valve body 5 and positioned outside the pipeline body 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a one-way flame proof valve of formula of ceiling mounted for on dust conveying pipeline, includes valve body (5), seal assembly (7), explosion-proof glue (8) and resistance to compression layer (9), its characterized in that: a sealing component (7) is arranged inside the valve body (5), a fixed rod (3) is arranged at the upper end of the valve body (5), the top end of the fixed rod (3) is provided with a fixed frame (1), the lower end of the fixed frame (1) is fixed with a triangular wedge block (2), a valve rod (4) penetrates through the inside of the fixed frame (1), a limit pipe (11) is sleeved inside the valve rod (4), an inner core airtight block (10) is arranged on the outer side of the valve rod (4), a limiting block (12) is arranged at the top end of the limiting pipe (11), and a pressure resistant layer (9) is arranged below the limiting pipe (11), the top end of the limiting block (12) is connected with an anti-skid rubber pad (13), the anti-skid rubber gasket is characterized in that a rotating wheel (14) is fixed at the upper end of the anti-skid rubber gasket (13), a pipeline body (6) is arranged on one side of the sealing assembly (7), and an anti-explosion glue (8) is bonded on the outer side of the pipeline body (6).

2. The top-suction type one-way explosion-proof valve used on the dust conveying pipeline according to claim 1 is characterized in that: seal assembly (7) includes sealing member (71), snap ring (72), expanding spring (73), connects (74), sealed piece (75) and opening (76), wherein, the inside of sealing member (71) is provided with opening (76), and the lower extreme of sealing member (71) is connected with snap ring (72), the lower extreme of snap ring (72) is provided with and connects (74), the outside that connects (74) is fixed with sealed piece (75), the interior bottom of sealed piece (75) is connected with expanding spring (73).

3. The top-suction type one-way explosion-proof valve used on the dust conveying pipeline according to claim 1 is characterized in that: the runner (14) is connected with the limiting block (12) through an anti-skid rubber pad (13), the limiting pipe (11) is sleeved with the valve rod (4) through a sleeve ring, and the fixing frame (1) and the fixing rod (3) are fixedly connected through a triangular wedge block (2).

4. The top-suction type one-way explosion-proof valve used on the dust conveying pipeline according to claim 1 is characterized in that: one end of the valve rod (4) penetrating through the inner core airtight block (10) is connected with the sealing assembly (7) through a flange, and the pressure-resistant layer (9) is fixed at the joint of the valve rod (4) and the valve body (5).

5. The top-suction type one-way explosion-proof valve used on the dust conveying pipeline according to claim 1 is characterized in that: the pipeline body (6) and the valve body (5) are of an integral structure, and the periphery of the pipeline body (6) inside the valve body (5) is filled with explosion-proof glue (8).

6. The top-suction type one-way explosion-proof valve used on the dust conveying pipeline as claimed in claim 2, characterized in that: the sealing element (71) is connected with the sealing element (71) through a clamping ring (72), the sealing block (75) and the joint (74) are of an integrated structure, and the inner bottom end of the sealing block (75) is elastically connected with the clamping ring (72) through an expansion spring (73).