CN211398752U

CN211398752U - Valve sealing ring

Info

Publication number: CN211398752U
Application number: CN201922459110.5U
Authority: CN
Inventors: 周保华
Original assignee: Chengdu Chuanying Carbide Co ltd
Current assignee: Chengdu Chuanying Carbide Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a sealing ring technical field, this valve seal ring, including the sealing ring inner ring, the spacing groove has been seted up to the inside of sealing ring inner ring, the one end swing joint that valve body was kept away from to the sealing ring inner ring has the sealing ring bush, the sealing ring bush is kept away from the inner ring of sealing ring's one end fixed mounting and is had the sealing ring outer loop, the one end fixed mounting of sealing ring outer loop has fastening screw, the spacing spring of the other end fixedly connected with of sealing ring outer loop. The utility model has the advantages that: this valve seal ring, spacing fixture block pops out the outer loop base member under spacing spring's effect, makes spacing fixture block card go into the inside in spacing groove, makes seal ring inner ring and seal ring outer loop can not take place the rotation each other, fixes together seal ring inner ring and seal ring outer loop through fastening screw, makes the breach position level of seal ring inner ring and seal ring outer loop and does not coincide, has improved the leakproofness of seal ring breach position, and then has increased the sealing performance of sealing ring.

Description

Valve sealing ring

Technical Field

The utility model relates to a sealing ring technical field, especially a valve seal ring.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. Sealing rings are required in the valve connection to ensure the tightness of the connection. The sealing ring is an annular sealing element with a notch, and is pressed tightly against the inner hole wall of the static element by the elasticity of the pressed-together sealing ring to play a sealing role, the sealing ring is placed in the annular groove of the sleeve, the sleeve and the shaft rotate together, the sealing ring is pressed tightly against the inner hole wall of the static element by the elasticity of the pressed-together sealing ring by the notch to play a sealing role, and each contact surface needs to be hardened and polished. However, the existing sealing rings have some problems:

1. when the existing sealing ring is used, because the sealing ring has a notch, when the sealing ring is used for sealing, the sealing performance at the notch is relatively poor, and the sealing performance of the sealing ring is reduced;

2. the existing sealing ring is located at the joint when in use, the environment of the joint is complex, the abrasion to the sealing ring is large, and the service life of the sealing ring is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a valve seal ring.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a valve sealing ring, includes the valve body, the one end fixed mounting of valve body has the sealing ring inner ring, the spacing groove has been seted up to the inside of sealing ring inner ring, the one end swing joint that the valve body was kept away from to the sealing ring inner ring has the sealing ring bush, the one end fixed mounting that the sealing ring inner ring was kept away from to the sealing ring bush has the sealing ring outer loop, the one end fixed mounting of sealing ring outer loop has fastening screw, the spacing spring of other end fixedly connected with of sealing ring outer loop, the spacing fixture block of one end fixedly connected with of sealing ring outer loop is kept away from to spacing spring, the one end fixedly connected with sealing protective housing that the sealing ring outer loop is close to fastening screw, the middle part of valve body is rotated and is.

Optionally, the two ends of the valve body are provided with grooves matched with the inner ring of the sealing ring, and the middle of the valve body is provided with a slotted hole matched with the valve control rod.

Optionally, the inner ring of the sealing ring comprises an inner ring base body and an inner ring fixing seat, and the inner ring base body is fixedly connected with the inner ring fixing seat.

Optionally, one end of the inner ring fixing seat, which is far away from the inner ring base body, is provided with an annular groove matched with the outer ring of the sealing ring, the inner ring fixing seat is internally provided with a fixing hole matched with the fastening screw, and the number of the limiting grooves is two, and the two limiting grooves are distributed in the annular groove of the inner ring fixing seat in parallel.

Optionally, one end of the sealing ring bushing is provided with a fixing groove matched with the inner side of the sealing ring inner ring, and the sealing ring bushing is fixed by clamping the sealing ring inner ring and the sealing ring outer ring.

Optionally, the outer ring of the sealing ring comprises an outer ring base body and an outer ring fixing seat, and the outer ring base body is fixedly connected with the outer ring fixing seat.

Optionally, a groove matched with the limiting clamping block is formed in the outer ring base, a through hole matched with the fastening screw is formed in the circumference of the outer ring base, and a notch matched with the fastening screw is formed in one end of the outer ring fixing seat.

Optionally, the fastening screw is fixed through a through hole of the outer ring of the sealing ring and a fixing hole of the inner ring of the sealing ring, and a fixing groove matched with the limiting spring is formed in one end of the limiting fixture block.

Optionally, one end of the sealing protective shell is provided with a groove matched with the outer ring of the sealing ring, and the bottom of the valve control handle is provided with a fixing hole matched with the valve control rod.

The utility model has the advantages of it is following:

1. this valve seal ring, make sealing ring inner ring and sealing ring outer loop keep coaxial, insert the ring channel of inserting the inner ring fixing base with the outer loop base member, oppress spacing fixture block through the inner ring fixing base, make spacing fixture block compression spacing spring, and then make spacing fixture block shrink in the recess of outer loop base member, rotate the sealing ring outer loop, make spacing fixture block and spacing groove coaxial, spacing fixture block pops out the outer loop base member under spacing spring's effect, make spacing fixture block card go into the inside in spacing groove, make sealing ring inner ring and sealing ring outer loop can not take place the rotation each other, fix sealing ring inner ring and sealing ring outer loop together through fastening screw, make the breach position level of sealing ring inner ring and sealing ring outer loop and do not coincide, the leakproofness of sealing ring breach position has been improved, and then the sealing performance of sealing ring.

2. This valve seal ring is located between sealing ring inner ring and the sealing ring outer loop through the sealing ring bush, make and leave the clearance between sealing ring inner ring and the sealing ring outer loop, reduce the friction between sealing ring inner ring and the sealing ring outer loop, reduce the inside frictional force of sealing ring, when having weakened the inside self-polishing of sealing ring, keep apart the protection with sealing ring and external world through the sealed protective housing, avoided sealing ring and external direct contact, reduced the wearing and tearing of external debris to the sealing ring, and then improved the life of sealing ring.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic structural view of the inner ring of the sealing ring of the present invention;

FIG. 4 is a schematic structural view of the outer ring of the sealing ring of the present invention;

fig. 5 is a schematic structural view of the limiting fixture block of the present invention;

fig. 6 is a schematic view of the sectional structure of the limiting groove of the present invention.

In the figure: 1-a valve body, 2-a sealing ring inner ring, 201-an inner ring base body, 202-an inner ring fixing seat, 3-a limiting groove, 4-a sealing ring bushing, 5-a sealing ring outer ring, 501-an outer ring base body, 502-an outer ring fixing seat, 6-a fastening screw, 7-a limiting spring, 8-a limiting clamping block, 9-a sealing protection shell, 10-a valve control rod and 11-a valve control handle.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in FIGS. 1 to 6, a valve sealing ring comprises a valve body 1, a sealing ring inner ring 2 is fixedly installed at one end of the valve body 1, a limiting groove 3 is formed inside the sealing ring inner ring 2, a sealing ring bushing 4 is movably connected at one end of the sealing ring inner ring 2 away from the valve body 1, a sealing ring outer ring 5 is fixedly installed at one end of the sealing ring bushing 4 away from the sealing ring inner ring 2, a fastening screw 6 is fixedly installed at one end of the sealing ring outer ring 5, a limiting spring 7 is fixedly connected at the other end of the sealing ring outer ring 5, a limiting clamping block 8 is fixedly connected at one end of the limiting spring 7 away from the sealing ring outer ring 5, a sealing protective shell 9 is fixedly connected at one end of the sealing ring outer ring 5 close to the fastening screw 6, a valve control rod 10 is rotatably connected at the middle part of the valve body, the two ends of the valve body 1 are provided with grooves matched with the sealing ring inner ring 2, the middle part of the valve body 1 is provided with a slotted hole matched with the valve control rod 10, the sealing ring inner ring 2 comprises an inner ring base body 201 and an inner ring fixing base 202, the inner ring base body 201 is fixedly connected with the inner ring fixing base 202, one end of the inner ring fixing base 202, far away from the inner ring base body 201, is provided with a ring groove matched with the sealing ring outer ring 5, the inner ring fixing base 202 is internally provided with a fixing hole matched with a fastening screw 6, the number of the limiting grooves 3 is two, the two limiting grooves 3 are distributed in the ring groove of the inner ring fixing base 202 in parallel, the assembling accuracy is ensured through the limiting grooves 3, one end of the sealing ring bush 4 is provided with a fixing groove matched with the inner side of the sealing ring 2, and the sealing ring bush 4 is, the sealing ring can be protected through the sealing ring bushing 4, the sealing ring outer ring 5 comprises an outer ring base body 501 and an outer ring fixing base 502, the outer ring base body 501 and the outer ring fixing base 502 are fixedly connected, a groove matched with the limiting clamping block 8 is formed in the outer ring base body 501, through holes matched with the fastening screws 6 are formed in the circumference of the outer ring base body 501, one end of the outer ring fixing base 502 is provided with a notch matched with the fastening screws 6, the sealing ring outer ring 502 is conveniently fixed, the fastening screws 6 are fixed through the through holes of the sealing ring outer ring 5 and the fixing holes of the sealing ring inner ring 2, one end of the limiting clamping block 8 is provided with a fixing groove matched with the limiting spring 7, the limiting spring 7 is conveniently installed in the limiting clamping block 8, the assembling space is saved, one end of the sealing protective housing 9 is provided with a, the positioning installation of the sealing protection shell 9 is convenient, the bottom of the valve control handle 11 is provided with a fixing hole matched with the valve control rod 10, the valve control handle 11 is convenient to fix, and the valve control rod 10 is operated through the valve control handle 11.

The working process of the utility model is as follows: when the valve sealing ring is used, a user enables the inner ring 2 and the outer ring 5 of the sealing ring to be coaxial, the outer ring base body 501 is inserted into the annular groove of the inner ring base body 202, the inner ring base body 202 presses the limiting clamping block 8, the limiting clamping block 8 compresses the limiting spring 7, the limiting clamping block 8 is further contracted in the groove of the outer ring base body 501, the outer ring 5 of the sealing ring is rotated to enable the limiting clamping block 8 and the limiting groove 3 to be coaxial, the limiting clamping block 8 is popped out of the outer ring base body 501 under the action of the limiting spring 7, the limiting clamping block 8 is clamped into the limiting groove 3, the inner ring 2 and the outer ring 5 of the sealing ring cannot rotate mutually, the inner ring 2 and the outer ring 5 of the sealing ring are fixed together through the fastening screw 6, the notch positions of the inner ring 2 and the outer ring 5 of the sealing ring are, and then increased the sealing performance of sealing ring, this valve seal ring, be located between sealing ring inner ring 2 and the sealing ring outer loop 5 through sealing ring bush 4, make and leave the clearance between sealing ring inner ring 2 and the sealing ring outer loop 5, reduce the friction between sealing ring inner ring 2 and the sealing ring outer loop 5, reduce the inside frictional force of sealing ring, when having weakened the inside self-abrasion of sealing ring, keep apart the protection with sealing ring and external world through sealed protective housing 9, sealing ring and external direct contact have been avoided, the wearing and tearing of external debris to the sealing ring have been reduced, and then the life of sealing ring has been improved.

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. A valve sealing ring, comprising a valve body (1), characterized in that: the valve comprises a valve body (1), a sealing ring inner ring (2) is fixedly mounted at one end of the valve body (1), a limiting groove (3) is formed in the sealing ring inner ring (2), a sealing ring bushing (4) is movably connected at one end, away from the valve body (1), of the sealing ring inner ring (2), a sealing ring outer ring (5) is fixedly mounted at one end, away from the sealing ring inner ring (2), of the sealing ring bushing (4), a fastening screw (6) is fixedly mounted at one end of the sealing ring outer ring (5), a limiting spring (7) is fixedly connected at the other end of the sealing ring outer ring (5), a limiting clamping block (8) is fixedly connected at one end, away from the sealing ring outer ring (5), of the sealing ring outer ring (5) is close to the fastening screw (6), a sealing protective shell (9) is fixedly connected at one end, and a valve control rod (10) is, one end of the valve control rod (10) far away from the valve body (1) is fixedly connected to the valve control handle (11).

2. The valve seal ring of claim 1, wherein: the valve is characterized in that grooves matched with the sealing ring inner ring (2) are formed in two ends of the valve body (1), and a slotted hole matched with the valve control rod (10) is formed in the middle of the valve body (1).

3. The valve seal ring of claim 1, wherein: the sealing ring inner ring (2) comprises an inner ring base body (201) and an inner ring fixing seat (202), and the inner ring base body (201) is fixedly connected with the inner ring fixing seat (202).

4. A valve seal ring according to claim 3, wherein: the ring-shaped sealing ring is characterized in that one end, far away from the inner ring base body (201), of the inner ring fixing seat (202) is provided with a ring groove matched with the outer ring (5) of the sealing ring, fixing holes matched with the fastening screws (6) are formed in the inner part of the inner ring fixing seat (202), the number of the limiting grooves (3) is two, and the two limiting grooves (3) are distributed in the ring groove of the inner ring fixing seat (202) in parallel.

5. The valve seal ring of claim 1, wherein: the fixed slot that matches with the inboard looks adaptation of sealing ring inner ring (2) is seted up to the one end of sealing ring bush (4), sealing ring bush (4) are fixed through the clamp of sealing ring inner ring (2) and sealing ring outer ring (5).

6. The valve seal ring of claim 1, wherein: the outer ring (5) of the sealing ring comprises an outer ring base body (501) and an outer ring fixing seat (502), and the outer ring base body (501) is fixedly connected with the outer ring fixing seat (502).

7. The valve seal ring of claim 6, wherein: the inner part of the outer ring base body (501) is provided with a groove matched with the limiting clamping block (8), the circumference of the outer ring base body (501) is provided with a through hole matched with the fastening screw (6), and one end of the outer ring fixing seat (502) is provided with a notch matched with the fastening screw (6).

8. The valve seal ring of claim 1, wherein: the fastening screw (6) is fixed through a through hole of the outer ring (5) of the sealing ring and a fixing hole of the inner ring (2) of the sealing ring, and a fixing groove matched with the limiting spring (7) is formed in one end of the limiting clamping block (8).

9. The valve seal ring of claim 1, wherein: the sealing device is characterized in that one end of the sealing protective shell (9) is provided with a groove matched with the outer ring (5) of the sealing ring, and the bottom of the valve control handle (11) is provided with a fixing hole matched with the valve control rod (10).