CN211175453U

CN211175453U - High leakproofness valve of preventing leaking

Info

Publication number: CN211175453U
Application number: CN201922274520.2U
Authority: CN
Inventors: 李�杰
Original assignee: Jiangsu Dingxing Petroleum Machinery Co ltd
Current assignee: Jiangsu Dingxing Petroleum Machinery Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a high leakproofness valve of preventing leaking, which belongs to the technical field of mechanical equipment, and comprises a valve body, wherein the lower end of the valve body is fixedly connected with a pipeline butt joint, the lower end of the pipeline butt joint is fixedly connected with a lower base, the upper end of the valve body is fixedly connected with an upper valve cover, an upper hollow groove is formed in the upper valve cover, a lower hollow groove is formed in the valve body, the lower hollow groove is communicated with the upper hollow groove, the upper end wall of the upper hollow groove is in threaded connection with a threaded valve rod, the inner end wall of the upper hollow groove is provided with a pair of first sliding grooves, a first sliding block is in sliding connection in the first sliding groove, a connecting rod is fixedly connected between the pair of first sliding blocks, a pushing groove is formed in the connecting rod, the lower end of the threaded valve rod is fixedly connected with a pushing plate, and the pushing plate is positioned in the pushing groove, so that the pipeline can be sealed, so that the valve is not easy to leak.

Description

High leakproofness valve of preventing leaking

Technical Field

The utility model relates to a mechanical equipment technical field, more specifically say, relate to a prevent high leakproofness valve of leakage.

Background

The valve is a control part in the pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of the medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like.

In the self-sealing process of the valve, the sealing performance of the valve is not enough due to the fact that the gasket is inclined and the local pretightening force is excessive, the existing valve is often sealed only once, and potential safety hazards are generated once the problem of poor sealing caused by abrasion occurs along with the change of service time.

Disclosure of Invention

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a prevent high leakproofness valve of leakage, it can realize in the valve use, seals many times through the valve to the pipeline, increases the leakproofness of valve for the phenomenon is leaked in the difficult emergence of valve.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A leakproof high-tightness valve comprises a valve body, wherein the lower end of the valve body is fixedly connected with a pipeline butt joint, the lower end of the pipeline butt joint is fixedly connected with a lower base, the upper end of the valve body is fixedly connected with an upper valve cover, an upper hollow groove is formed in the upper valve cover, a lower hollow groove is formed in the valve body and is communicated with the upper hollow groove, the upper end wall of the upper hollow groove is in threaded connection with a threaded valve rod, a pair of first sliding grooves are formed in the inner end wall of the upper hollow groove in a chiseled mode, a first sliding block is connected in the first sliding grooves in a sliding mode, a connecting rod is fixedly connected between the first sliding blocks in a pair mode, a pushing groove is formed in the connecting rod in a chiseled mode, the lower end of the threaded valve rod is fixedly connected with a pushing plate, the pushing plate is located in the pushing groove, the lower end of the pushing plate is fixedly, the lower end wall of the working groove is provided with a pair of second sliding grooves, a second sliding block is connected to the second sliding grooves in a sliding mode, a connecting rod is fixedly connected to the upper end of the second sliding block and is a pair of pushing blocks fixedly connected to the opposite ends of the connecting rod, a reset plate is fixedly connected to the upper end of the connecting rod, a reset spring is fixedly connected between the reset plate and the inner end wall of the working groove and is a pair of sealing blocks fixedly connected to the connecting rod, one end of the connecting rod, which is far away from each other, penetrates through the sealing blocks fixedly connected to the sealing blocks, multiple sealing of the pipeline through the valve can be achieved in the use process of the valve, the.

Further, shutoff piece lower extreme fixedly connected with locating piece, pipeline butt joint lower extreme wall chisel has the constant head tank, and locating piece and constant head tank phase-match, and the matching through locating piece and constant head tank makes shutoff piece and pipeline butt joint more convenient location, thereby increase the contact surface increase leakproofness.

Furthermore, catch bar lower extreme section is down trapezoidal, and is a pair of it has the butt joint groove to open the chisel to promote the piece upper end, and just butt joint groove catch bar lower extreme phase-match makes things convenient for more that the catch bar promotes a pair of catch bar and slides to both sides to release the sealed piece and carry out the shutoff.

Further, go up valve gap lower extreme fixedly connected with a pair of butt joint post, the valve body upper end is opened chisel and is had the spread groove, and spread groove and butt joint post phase-match, through bolt fixed connection between upper valve gap and the valve body, make things convenient for the connection of valve body and upper valve gap more, and increase the leakproofness of valve body and upper valve gap.

Furthermore, the inner end wall of the lower empty groove is fixedly connected with a sealing sleeve, the thickness of the sealing sleeve is slightly larger than the gap between the lower empty groove and the blocking block, the sealing sleeve can effectively reduce the friction between the lower empty groove and the blocking block, and meanwhile, the sealing performance between the blocking block and the lower empty groove is improved.

Furthermore, the upper end of the threaded valve rod is fixedly connected with a valve hand wheel, the outer end of the valve hand wheel is sleeved with a rubber anti-slip sleeve, the valve hand wheel is convenient for technicians to rotate the threaded valve rod, a pipeline butt joint is sealed through a plugging block, and the valve hand wheel is not easy to slip when operated by the rubber anti-slip sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize in the valve use, seals many times the pipeline through the valve, increases the leakproofness of valve for the difficult emergence of valve leaks the phenomenon.

(2) The locating block is fixedly connected with the lower end of the plugging block, the locating groove is formed in the wall of the lower end of the pipeline butt joint in a chiseled mode, the locating block is matched with the locating groove, the plugging block and the pipeline butt joint are located more conveniently through matching of the locating block and the locating groove, and therefore the contact surface is increased and sealing performance is improved.

(3) The section of the lower end of the push rod is inverted trapezoid, the upper end of the pair of push blocks is provided with a butt joint groove, the lower ends of the push rods of the butt joint grooves are matched, the push rods can push the pair of push blocks to slide towards two sides conveniently, and therefore the push blocks can be pushed out to be plugged.

(4) Go up valve gap lower extreme fixedly connected with a pair of butt joint post, the division chisel has the spread groove on the valve body, and spread groove and butt joint post phase-match, through bolt fixed connection between upper valve gap and the valve body, make things convenient for the connection of valve body and upper valve gap more, and increase the leakproofness of valve body and upper valve gap.

(5) The inner end wall of the lower empty groove is fixedly connected with a sealing sleeve, the thickness of the sealing sleeve is slightly larger than the gap between the lower empty groove and the blocking block, the sealing sleeve can effectively reduce the friction between the lower empty groove and the blocking block, and meanwhile, the sealing performance between the blocking block and the lower empty groove is improved.

(6) The upper end of the threaded valve rod is fixedly connected with a valve hand wheel, the outer end of the valve hand wheel is sleeved with a rubber anti-slip sleeve, the valve hand wheel is convenient for technicians to rotate the threaded valve rod, therefore, the pipeline butt joint is sealed through the plugging block, and the valve hand wheel is not easy to slip when operated by the rubber anti-slip sleeve.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

The reference numbers in the figures illustrate:

the valve comprises a valve body 1, a pipeline butt joint 2, an upper valve cover 3, a lower base 4, a lower empty groove 5, an upper empty groove 6, a threaded valve rod 7, a connecting rod 8, a sealing block 9, a first sliding groove 10, a first sliding block 11, a pushing groove 12, a pushing plate 13, a pushing rod 14, a bolt 15, a butt joint column 16, a sealing sleeve 17, a working groove 18, a second sliding groove 19, a second sliding block 20, a connecting rod 21, a pushing block 22, a resetting plate 23, a resetting spring 24, a positioning block 25, a positioning groove 26, a valve hand wheel 27 and a sealing block 28.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a leakproof valve with high sealing performance comprises a valve body 1, a pipe butt joint 2 is fixedly connected to the lower end of the valve body 1, a lower base 4 is fixedly connected to the lower end of the pipe butt joint 2, an upper valve cover 3 is fixedly connected to the upper end of the valve body 1, a pair of butt columns 16 is fixedly connected to the lower end of the upper valve cover 3, a connecting groove is formed in the upper end of the valve body 1 and is matched with the butt columns 16, the upper valve cover 3 and the valve body 1 are fixedly connected through a bolt 15, the valve body 1 and the upper valve cover 3 are more conveniently connected, the sealing performance of the valve body 1 and the upper valve cover 3 is improved, an upper hollow groove 6 is formed in the upper valve cover 3, a lower hollow groove 5 is formed in the valve body 1, a sealing sleeve 17 is fixedly connected to the inner end wall of the lower hollow groove 5, the sealing sleeve 17 is made of rubber, the sealing performance is high, the thickness of the sealing sleeve 17 is slightly larger than the gap between the lower hollow groove, meanwhile, the sealing performance between the plugging block 9 and the lower empty groove 5 is improved, the lower empty groove 5 is communicated with the upper empty groove 6, the upper end wall of the upper empty groove 6 is in threaded connection with a threaded valve rod 7, the upper end of the threaded valve rod 7 is fixedly connected with a valve hand wheel 27, the outer end of the valve hand wheel 27 is sleeved with a rubber anti-slip sleeve, the valve hand wheel 27 facilitates technicians to rotate the threaded valve rod 7, so that the pipeline butt joint 2 is sealed through the plugging block 9, the rubber anti-slip sleeve enables the valve hand wheel 27 not to slip easily during operation, the inner end wall of the upper empty groove 6 is provided with a pair of first sliding grooves 10, the first sliding grooves 10 are in sliding connection with first sliding blocks 11, a connecting rod 8 is fixedly connected between the pair of first sliding blocks 11, a pushing groove 12 is formed in the connecting rod 8, the lower end of the threaded valve rod 7 is fixedly connected with a pushing plate 13, the pushing, make connecting rod 8 can effectively move down, and catch plate 13 is located and promotes inslot 12, catch plate 13 lower extreme fixedly connected with catch bar 14, catch bar 14 lower extreme section is for falling trapezoidal, and a pair of catch block 22 upper end is dug and is had the butt joint groove, and just butt joint groove catch bar 14 lower extreme phase-match, makes things convenient for catch bar 14 to promote a pair of catch block 22 to slide to both sides more to release sealed piece 28 and carry out the shutoff.

Referring to fig. 2-3, the lower end of the connecting rod 8 is fixedly connected with a plugging block 9, the lower end of the plugging block 9 is fixedly connected with a positioning block 25, the lower end wall of the pipe butt joint 2 is provided with a positioning groove 26, the positioning block 25 is matched with the positioning groove 26, the plugging block 9 and the pipe butt joint 2 are more conveniently positioned by matching the positioning block 25 with the positioning groove 26, the contact surface is increased, so as to increase the sealing performance, the plugging block 9 is provided with a working groove 18, the lower end wall of the working groove 18 is provided with a pair of second sliding grooves 19, the second sliding grooves 19 are slidably connected with second sliding blocks 20, the upper ends of the second sliding blocks 20 are fixedly connected with connecting rods 21, the opposite ends of the pair of connecting rods 21 are fixedly connected with pushing blocks 22, the upper ends of the connecting rods 21 are fixedly connected with a reset plate 23, a reset spring 24 is fixedly connected between the reset plate 23, when catch bar 14 upwards removed for thereby connecting rod 21 resets and drives sealed piece 28 and reset, and a pair of connecting rod 21 is kept away from one end each other and is all run through sealed piece 28 of shutoff piece 9 fixedly connected with, and sealed piece 28 is the silica gel material, and the leakproofness is strong.

When in use, referring to fig. 1-3, a technician installs a valve body 1 between water pipes at a specified position through a pipeline butt joint 2, fixedly connects an upper valve cover 3 with the valve body 1 through a bolt 15, then rotates a threaded valve rod 7 through a valve hand wheel 27, so that the threaded valve rod 7 drives a connecting rod 8 and a push rod 14 to move downwards through a push plate 13, then a blocking block 9 is butted with the lower end wall of the pipeline butt joint 2, primary blocking is completed, in the process, the lower end of the push rod 14 is contacted with a push block 22, a movable connecting rod 21 is pushed to slide towards two sides, so that a sealing block 28 is pushed to extend out from two ends of the blocking block 9, secondary blocking is performed, the sealing performance of the pipeline butt joint 2 by the blocking block 9 is effectively improved, the whole valve blocking process is completed, and multiple times of sealing of the pipeline through the valve can be realized in the use process of the valve, the sealing performance of the valve is improved, so that the valve is not easy to leak.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A high leakproofness valve of preventing leaking, includes valve body (1), its characterized in that: the lower end of the valve body (1) is fixedly connected with a pipeline butt joint (2), the lower end of the pipeline butt joint (2) is fixedly connected with a lower base (4), the upper end of the valve body (1) is fixedly connected with an upper valve cover (3), an upper hollow groove (6) is chiseled in the upper valve cover (3), a lower hollow groove (5) is chiseled in the valve body (1), the lower hollow groove (5) is communicated with the upper hollow groove (6), the upper end wall of the upper hollow groove (6) is in threaded connection with a threaded valve rod (7), the inner end wall of the upper hollow groove (6) is chiseled with a pair of first sliding grooves (10), the first sliding grooves (10) are in sliding connection with first sliding blocks (11), a pair of connecting rods (8) are fixedly connected between the first sliding blocks (11), a pushing groove (12) is chiseled in the connecting rods (8), the lower end of the threaded valve rod (7, and the pushing plate (13) is positioned in the pushing groove (12), the lower end of the pushing plate (13) is fixedly connected with a pushing rod (14), the lower end of the connecting rod (8) is fixedly connected with a blocking block (9), a working groove (18) is chiseled in the blocking block (9), a pair of second sliding grooves (19) are drilled on the lower end wall of the working groove (18), a second sliding block (20) is connected in the second sliding grooves (19) in a sliding manner, the upper end of the second sliding block (20) is fixedly connected with a connecting rod (21), one opposite end of each connecting rod (21) is fixedly connected with a pushing block (22), connecting rod (21) upper end fixedly connected with resets board (23), it is a pair of fixedly connected with reset spring (24) between end wall in board (23) and work groove (18) that resets, connecting rod (21) keep away from one end each other and all run through shutoff piece (9) fixedly connected with seal block (28).

2. A leak resistant high leak tightness valve according to claim 1, wherein: the lower end of the blocking block (9) is fixedly connected with a positioning block (25), the lower end wall of the pipeline butt joint (2) is provided with a positioning groove (26) in a chiseling mode, and the positioning block (25) is matched with the positioning groove (26).

3. A leak resistant high leak tightness valve according to claim 1, wherein: the section of the lower end of the push rod (14) is inverted trapezoid, a pair of butt joint grooves are formed in the upper ends of the push blocks (22), and the lower ends of the push rods (14) of the butt joint grooves are matched.

4. A leak resistant high leak tightness valve according to claim 1, wherein: go up valve gap (3) lower extreme fixedly connected with a pair of butt joint post (16), valve body (1) upper end is dug there is the spread groove, and spread groove and butt joint post (16) phase-match, go up through bolt (15) fixed connection between valve gap (3) and the valve body (1).

5. A leak resistant high leak tightness valve according to claim 1, wherein: the inner end wall of the lower empty groove (5) is fixedly connected with a sealing sleeve (17), and the thickness of the sealing sleeve (17) is slightly larger than the gap between the lower empty groove (5) and the blocking block (9).

6. A leak resistant high leak tightness valve according to claim 1, wherein: the upper end of the threaded valve rod (7) is fixedly connected with a valve hand wheel (27), and a rubber anti-slip sleeve is sleeved at the outer end of the valve hand wheel (27).