CN217539962U

CN217539962U - Relief valve sealing mechanism

Info

Publication number: CN217539962U
Application number: CN202123291745.2U
Authority: CN
Inventors: 王宝贵
Original assignee: Nanjing Pritag Safety Equipment Engineering Co ltd
Current assignee: Nanjing Pritag Safety Equipment Engineering Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-10-04
Anticipated expiration: 2031-12-25

Abstract

The utility model provides a relief valve sealing mechanism, including sealed main part, the both sides of sealed main part are provided with the barrier ring, sealing washer mounting groove B has been seted up to the both sides on the surface of sealed main part, sealing washer mounting groove B's inboard cover is equipped with sealing washer A. The utility model provides a relief valve sealing mechanism can directly install this mechanism on relief valve and connecting pipe when making the installation for cylindric through sealed main part, easy operation labour saving and time saving, cross section through sealing washer B comprises the Y style of calligraphy, make sealing washer B leave the clearance when the inside wall contact with the relief valve, conveniently install, be provided with two sets of sealing washer A and two sets of sealing washer B through the surface at sealed main part simultaneously, thereby can improve the leakproofness between the inside wall of this mechanism and relief valve, and the elasticity through the spring stimulates two sets of loop bars and is close to the fixed block, make the both sides of sealed main part are hugged closely all the time to the barrier ring, thereby further guarantee the sealed effect of this mechanism in the relief valve.

Description

Relief valve sealing mechanism

Technical Field

The utility model relates to a relief valve accessory technical field especially relates to a relief valve sealing mechanism.

Background

The pressure relief valve is composed of parts such as a needle valve, a pressure gauge, a main valve, a pilot valve, a connecting pipe and the like, the main valve is one of hydraulic control valves, the main valve is divided into an upper part and a lower part by a diaphragm, a lower cavity of the diaphragm is a water flow channel, an upper cavity of the diaphragm is a control chamber, the upper cavity of the diaphragm is used for controlling the opening and closing of a valve clack of the main valve, the pilot valve is a pressure relief valve, the pilot valve is also provided with a control chamber and a water flow channel, the opening and closing of the valve clack is controlled by the control chamber, and the conventional pressure relief valve needs to be installed and sealed by a sealing mechanism during installation, so that the sealing performance of the pressure relief valve is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a relief valve sealing mechanism has solved present sealing device and when installing, and is comparatively inconvenient, and sealed effect is relatively poor, leads to relief valve and connecting pipe department to take place to leak easily, leads to the relatively poor problem of practicality.

In order to solve the technical problem, the utility model provides a relief valve sealing mechanism, include:

the sealing body, the both sides of sealing body are provided with the barrier ring, sealing washer mounting groove B has been seted up to the both sides on sealing body's surface, sealing washer mounting groove B's inboard cover is equipped with sealing washer A, two sets of sealing washer mounting groove A have been seted up between two sets of sealing washer mounting groove B in sealing body surface, the edge of sealing body surface both sides is seted up a spacing storehouse, just spacing storehouse runs through sealing body, the inner chamber in spacing storehouse is provided with the fastening seal assembly who uses with the barrier ring cooperation.

Preferably, fastening seal assembly includes the fixed block, the fixed block is located the inner chamber in spacing storehouse, the bilateral symmetry of fixed block is provided with the locating lever, the lateral wall cover of locating lever is equipped with the loop bar, and the one end of loop bar extend to the outside in spacing storehouse and with the one end fixed connection of barrier ring, the lateral wall cover that the locating lever is close to fixed block one end is equipped with the spring.

Preferably, one end of the loop bar, which is positioned in the inner cavity of the limiting bin, is fixedly connected with a limiting ring, and the limiting ring is formed by a circular ring.

Preferably, one end of the spring is fixedly connected with one end of the limiting ring, and the other end of the spring is fixedly connected with one side of the surface of the fixing block.

Preferably, the blocking ring is made of rubber, and the inner diameter of the blocking ring is consistent with that of the sealing body.

Preferably, the inner side of the sealing ring mounting groove A is sleeved with a sealing ring B, and the cross section of the sealing ring B is formed by a Y shape.

Compared with the prior art, the beneficial effects of the utility model are that: can directly install this mechanism on relief valve and connecting pipe when making the installation for cylindric through sealed main part, easy operation labour saving and time saving, cross section through sealing washer B comprises the Y style of calligraphy, make sealing washer B leave the clearance when the inside wall contact with the relief valve, conveniently install, be provided with two sets of sealing washer A and two sets of sealing washer B through the surface at sealed main part simultaneously, thereby can improve the leakproofness between the inside wall of this mechanism and relief valve, and be close to the fixed block through two sets of loop bars of elasticity pulling of spring, make the both sides of sealed main part are hugged closely all the time to the barrier ring, thereby further guarantee the sealed effect of this mechanism in the relief valve.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a sealing mechanism of a pressure relief valve provided in the present invention;

FIG. 2 is a perspective cross-sectional view of FIG. 1;

fig. 3 is an enlarged view of the part a shown in fig. 2.

Reference numbers in the figures: 1. a sealing body; 2. a blocking ring; 3. a sealing ring A; 4. a seal ring B; 5. a sealing ring mounting groove A; 6. a fixed block; 7. a limiting bin; 8. a spring; 9. positioning a rod; 10. a limiting ring; 11. a loop bar; 12. and a sealing ring mounting groove B.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1-3. A pressure relief valve sealing mechanism comprising: sealing body 1, sealing body 1's both sides are provided with barrier ring 2, sealing washer mounting groove B12 has been seted up to sealing body 1's the both sides on surface, the inboard cover of sealing washer mounting groove B12 is equipped with sealing washer A3, two sets of sealing washer mounting grooves A5 have been seted up between two sets of sealing washer mounting grooves B12 in sealing body 1 surface, the edge of sealing body 1 surface both sides is seted up spacing storehouse 7, and spacing storehouse 7 runs through sealing body 1, the inner chamber of spacing storehouse 7 is provided with the fastening seal assembly who uses with the cooperation of barrier ring 2.

Specifically, fastening seal assembly includes fixed block 6, fixed block 6 is located the inner chamber in spacing storehouse 7, the bilateral symmetry of fixed block 6 is provided with locating lever 9, the lateral wall cover of locating lever 9 is equipped with loop bar 11, and the one end of loop bar 11 extend to the outside in spacing storehouse 7 and with the one end fixed connection of barrier ring 2, the lateral wall cover that locating lever 9 is close to fixed block 6 one end is equipped with spring 8, surface through at sealed main part 1 is provided with two sets of sealing washer A3 and two sets of sealing washer B4, thereby can improve the leakproofness between the inside wall of this mechanism and relief valve, and be close to fixed block 6 through two sets of loop bars 11 of spring 8's elasticity pulling, make barrier ring 2 hug closely sealed main part 1's both sides all the time, thereby further guarantee the sealed effect of this mechanism in the relief valve.

Wherein, the loop bar 11 is located the one end fixedly connected with spacing ring 10 of spacing 7 inner chambers, and spacing ring 10 comprises the ring form, is convenient for install.

Wherein, the one end of spring 8 and the one end fixed connection of spacing ring 10, the other end and fixed block 6 surperficial one side fixed connection of fixed block of spring 8 play spacing taut effect.

Wherein, barrier ring 2 comprises the rubber material, and barrier ring 2's internal diameter is unanimous with sealed main part 1, and the inboard cover of sealing washer mounting groove A5 is equipped with sealing washer B4, and sealing washer B4's cross section comprises the Y style of calligraphy, and the cross section through sealing washer B4 comprises the Y style of calligraphy for sealing washer B4 leaves the clearance when the inside wall contact with the relief valve, conveniently installs.

The utility model provides a relief valve sealing mechanism is when using, can directly install this mechanism on relief valve and connecting pipe for cylindric when making the installation through sealed main part 1, easy operation labour saving and time saving, simultaneously through being provided with two sets of sealing washer A3 and two sets of sealing washer B4 on the surface at sealed main part 1, thereby can improve the leakproofness between the inside wall of this mechanism and relief valve, and the cross section through sealing washer B4 comprises the Y style of calligraphy, make sealing washer B4 leave the clearance when the inside wall contact with the relief valve, conveniently install, simultaneously through two sets of loop bars 11 of elasticity pulling of spring 8 be close to fixed block 6, make stop ring 2 hug closely sealed main part 1's both sides all the time, thereby further guarantee the sealed effect of this mechanism in the relief valve.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a relief valve sealing mechanism, a serial communication port, including sealed main part (1), the both sides of sealed main part (1) are provided with barrier ring (2), sealing washer mounting groove B (12) have been seted up to the both sides on the surface of sealed main part (1), the inboard cover of sealing washer mounting groove B (12) is equipped with sealing washer A (3), two sets of sealing washer mounting groove A (5) have been seted up between two sets of sealing washer mounting groove B (12) in sealed main part (1) surface, the edge of sealed main part (1) surface both sides is seted up spacing storehouse (7), just spacing storehouse (7) run through sealed main part (1), the inner chamber of spacing storehouse (7) is provided with the fastening seal subassembly that uses with barrier ring (2) cooperation.

2. The pressure release valve sealing mechanism according to claim 1, characterized in that the fastening sealing assembly comprises a fixing block (6), the fixing block (6) is located in an inner cavity of the limiting bin (7), positioning rods (9) are symmetrically arranged on two sides of the fixing block (6), a sleeve rod (11) is sleeved on the outer side wall of each positioning rod (9), one end of each sleeve rod (11) extends to the outside of the limiting bin (7) and is fixedly connected with one end of the corresponding blocking ring (2), and a spring (8) is sleeved on the outer side wall, close to one end of the fixing block (6), of each positioning rod (9).

3. The pressure relief valve sealing mechanism according to claim 2, characterized in that a limiting ring (10) is fixedly connected to one end of the loop bar (11) located in the inner cavity of the limiting bin (7), and the limiting ring (10) is formed by a circular ring.

4. The pressure relief valve sealing mechanism according to claim 2, characterized in that one end of the spring (8) is fixedly connected with one end of the limiting ring (10), and the other end of the spring (8) is fixedly connected with one side of the surface of the fixed block (6).

5. The pressure relief valve sealing mechanism according to claim 1, characterized in that the blocking ring (2) is made of rubber material, and the inner diameter of the blocking ring (2) is consistent with that of the sealing body (1).

6. The pressure relief valve sealing mechanism according to claim 1, characterized in that a sealing ring B (4) is sleeved on the inner side of the sealing ring installation groove A (5), and the cross section of the sealing ring B (4) is formed in a Y shape.