CN210397915U

CN210397915U - Valve rod backspacing prevention device for high-pressure valve

Info

Publication number: CN210397915U
Application number: CN201921430944.7U
Authority: CN
Inventors: 贾荣菊; 吕金峰
Original assignee: Qiyuan Hengcheng Valve Industry Co Ltd
Current assignee: Qiyuan Hengcheng Valve Industry Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-24
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a high-pressure valve is with preventing valve rod device that rolls back, including the high-pressure valve body, the top of high-pressure valve body is provided with the valve rod body, and the surface cover of valve rod body is equipped with fixing bolt, fixing bolt's top fixedly connected with set casing, and the inner chamber of set casing and high-pressure valve body and extension to the high-pressure valve body is run through in proper order to the bottom of valve rod body. The utility model discloses a set up the high-pressure valve body, the valve rod body, fixing bolt, the set casing, the gear, the movable ring, first sliding sleeve, first slide bar, and a housing, lead to the groove, stop gear, the spacing groove is used with the cooperation that draws the piece, it prevents that the valve rod from returning the function to have solved current high-pressure valve lack in the use, lead to the great valve rod of fluid pressure to appear returning the phenomenon, cause the condition of fluid leakage, the practicality of high-pressure valve has been reduced, the problem that the person of not being convenient for used, this high-pressure valve is with preventing that the valve rod from returning the device, possess and be convenient for carry out the advantage fixed to.

Description

Valve rod backspacing prevention device for high-pressure valve

Technical Field

The utility model belongs to the technical field of the high-pressure valve, especially, relate to a high-pressure valve is with preventing valve rod backspacing device.

Background

The valves are pipe fittings for opening and closing pipes, controlling flow direction, regulating and controlling temperature, pressure and flow of the parameters of the conveyed medium, and can be classified into shut-off valves, check valves, regulating valves, etc. according to their functions, the valves are control parts in fluid conveying systems, have the functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief, etc., are used for valves of fluid control systems, and are quite various in variety and specification from the simplest stop valves to various valves used in extremely complicated automatic control systems.

The sealing performance of the valve refers to the capability of each sealing part of the valve for preventing medium leakage, and is the most important technical performance index of the valve, and when the high-pressure valve is used, the valve rod is easy to retreat due to the fact that the pressure of fluid in the valve is higher, and fluid leakage is caused, and the problems in the prior art are that: the lack prevents that the valve rod from returning the function in the use of high-pressure valve, leads to the great valve rod of fluid pressure to appear returning the phenomenon, causes the condition of fluid leakage, has reduced high-pressure valve's practicality, and the person of not being convenient for uses.

SUMMERY OF THE UTILITY MODEL

The problem to prior art exists, the utility model provides a high-pressure valve is with preventing valve rod device that rolls back possesses and is convenient for carry out the advantage fixed to the valve body, has solved current high-pressure valve and has lacked in the use and prevent that the valve rod from rolling back the function, leads to the great valve rod of fluid pressure to appear rolling back the phenomenon, causes the condition of fluid leakage, has reduced the practicality of high-pressure valve, the problem that the person of not being convenient for used.

The utility model is realized in such a way that the valve rod rollback prevention device for the high-pressure valve comprises a high-pressure valve body, the top of the high-pressure valve body is provided with a valve rod body, the surface of the valve rod body is sleeved with a fixing bolt, the top of the fixing bolt is fixedly connected with a fixing shell, the bottom of the valve rod body sequentially penetrates through the fixing shell and the high-pressure valve body and extends to the inner cavity of the high-pressure valve body, the surface of the valve rod body is sleeved with a gear, the surface of the gear is engaged with a movable ring, the right side of the movable ring is fixedly connected with a first sliding sleeve, the inner cavity of the first sliding sleeve is movably connected with a first sliding rod, the right side of the first sliding sleeve is fixedly connected with a shell, the right side of the fixed shell is provided with a through groove matched with the shell for use, the inner cavity of the shell is movably connected with a limiting mechanism, and the right side of the first sliding rod is provided with a limiting groove matched with the limiting mechanism for use.

As the utility model discloses it is preferred, stop gear includes the gag lever post, the surface of gag lever post and the inner chamber swing joint of shell, the surface of gag lever post is overlapped respectively and is equipped with spring and fly leaf, the left side and the fly leaf fixed connection of spring, the right side of spring and the inner wall fixed connection of shell, the right side of gag lever post runs through shell and first sliding sleeve in proper order and extends to the inner chamber of spacing groove.

As the utility model discloses it is preferred, the left side fixedly connected with second sliding sleeve of movable ring, and the inner chamber swing joint of second sliding sleeve has the second slide bar, the top and the bottom of first slide bar and second slide bar all with the inner wall fixed connection of set casing.

As the utility model discloses it is preferred, the equal fixedly connected with slider in top and the bottom of fly leaf, the spout that uses with the slider cooperation is all seted up to the top and the bottom of shell inner wall.

As the utility model discloses it is preferred, the through-hole that uses with the gag lever post cooperation is seted up on the right side of shell, the right side of gag lever post is passed through-hole and fixedly connected with and is drawn the piece.

As the utility model discloses preferred, the equal fixedly connected with blotter in top and the bottom on fly leaf right side, and the inner wall in close contact with of the left side of blotter and shell.

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

1. the utility model discloses a cooperation use through setting up high-pressure valve body, the valve rod body, the fixing bolt, the set casing, the gear, the movable ring, first sliding sleeve, first slide bar, the shell, logical groove, stop gear, spacing groove and pull the piece, the user can control the pull piece to move to the right, drive the gag lever post and move right and break away from with the spacing groove, the fly leaf moves along with the gag lever post simultaneously, the spring atress is compressed, move the shell upwards, drive the movable ring and move upwards, when the shell moves to the top, the movable ring meshes with the gear, the gag lever post corresponds with the spacing groove simultaneously, loosen the pull piece, the spring exerts reaction force, drive the gag lever post move left to closely contact with the spacing groove, carry out spacing fixed to first sliding sleeve, and then fix the movable ring, solved current high-pressure valve in the use lack and prevented the valve rod function of returning back, lead to the phenomenon of fluid pressure, the situation of fluid leakage is caused, the practicability of the high-pressure valve is reduced, the high-pressure valve is not convenient for a user to use, and the valve rod rollback prevention device for the high-pressure valve has the advantage of being convenient for fixing the valve body.

2. The utility model discloses a set up stop gear, can carry out spacing fixed with first sliding sleeve and first slide bar, and then fix the movable ring, make the movable ring fix the gear, the effectual valve rod of having avoided appearing returning back the phenomenon in the use.

3. The utility model discloses a set up second sliding sleeve and second slide bar, the effectual stationarity that has improved the activity circle and reciprocate has avoided the activity circle to take place to incline at the removal in-process, leads to the unable movable circle that removes of user, reduces the utility model discloses a practicality.

4. The utility model discloses a set up slider and spout, improved the stationarity that removes about the fly leaf, simultaneously the effectual frictional force that has reduced between fly leaf and the shell has increased the utility model discloses a life.

5. The utility model discloses a set up the through-hole, the gag lever post of being convenient for removes about through the through-hole, carries out spacing fixed to first sliding sleeve, draws the piece through the setting, and the person of being convenient for uses draws the piece through the pulling, controls the removal of gag lever post, has improved the utility model discloses a convenience.

6. The utility model discloses a set up the blotter, the effectual spring of having avoided applys reaction force to the fly leaf, drives the fly leaf and moves left and bump with the shell, causes certain damage to the fly leaf, increases user's use cost.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

FIG. 2 is an elevational, cross-sectional view of a retaining shell according to an embodiment of the present invention;

fig. 3 is an elevational, cross-sectional view of an embodiment of the invention providing a housing;

fig. 4 is a top view of a gear according to an embodiment of the present invention;

fig. 5 is a perspective view of a gear according to an embodiment of the present invention.

In the figure: 1. a high pressure valve body; 2. a valve stem body; 3. fixing the bolt; 4. a stationary case; 5. a gear; 6. a movable ring; 7. a first sliding sleeve; 8. a first slide bar; 9. a housing; 10. a through groove; 11. a limiting mechanism; 1101. a limiting rod; 1102. a spring; 1103. a movable plate; 12. a limiting groove; 13. and (5) pulling the block.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a valve rod rollback prevention device for a high pressure valve provided in an embodiment of the present invention includes a high pressure valve body 1, a valve rod body 2 is disposed on a top of the high pressure valve body 1, a fixing bolt 3 is sleeved on a surface of the valve rod body 2, a fixing shell 4 is fixedly connected to a top of the fixing bolt 3, a bottom of the valve rod body 2 sequentially penetrates the fixing shell 4 and the high pressure valve body 1 and extends to an inner cavity of the high pressure valve body 1, a gear 5 is sleeved on a surface of the valve rod body 2, a movable ring 6 is engaged on a surface of the gear 5, a first sliding sleeve 7 is fixedly connected to a right side of the movable ring 6, a first sliding rod 8 is movably connected to an inner cavity of the first sliding sleeve 7, a housing 9 is fixedly connected to a right side of the first sliding sleeve 7, a through groove 10 used in cooperation with the housing 9 is formed, the right side of the first slide bar 8 is provided with a limit groove 12 which is matched with a limit mechanism 11 for use.

Referring to fig. 3, the limiting mechanism 11 includes a limiting rod 1101, a surface of the limiting rod 1101 is movably connected with an inner cavity of the housing 9, a spring 1102 and a movable plate 1103 are respectively sleeved on the surface of the limiting rod 1101, a left side of the spring 1102 is fixedly connected with the movable plate 1103, a right side of the spring 1102 is fixedly connected with an inner wall of the housing 9, and a right side of the limiting rod 1101 sequentially penetrates through the housing 9 and the first sliding sleeve 7 and extends to the inner cavity of the limiting groove 12.

Adopt above-mentioned scheme: through setting up stop gear 11, can carry out spacing fixed with first sliding sleeve 7 and first slide bar 8, and then fix movable ring 6, make movable ring 6 fix gear 5, the effectual valve rod of having avoided appearing the phenomenon of falling back in the use.

Referring to fig. 2, a second sliding sleeve is fixedly connected to the left side of the movable ring 6, a second sliding rod is movably connected to an inner cavity of the second sliding sleeve, and the top and the bottom of the first sliding rod 8 and the second sliding rod are both fixedly connected to the inner wall of the fixed shell 4.

Adopt above-mentioned scheme: through setting up second sliding sleeve and second slide bar, the effectual stationarity that has improved movable circle 6 and reciprocate has avoided movable circle 6 to take place the slope at the removal in-process, leads to the unable movable circle 6 that removes of user, reduces the utility model discloses a practicality.

Referring to fig. 3, the top and the bottom of the movable plate 1103 are both fixedly connected with sliders, and the top and the bottom of the inner wall of the housing 9 are both provided with sliding grooves used in cooperation with the sliders.

Adopt above-mentioned scheme: through setting up slider and spout, improved the stationarity that removes about the fly leaf 1103, the effectual frictional force that reduces between fly leaf 1103 and the shell 9 has increased simultaneously the utility model discloses a life.

Referring to fig. 3, a through hole matched with the limiting rod 1101 is formed in the right side of the housing 9, and the pull block 13 is fixedly connected to the right side of the limiting rod 1101 after passing through the through hole.

Adopt above-mentioned scheme: through setting up the through-hole, be convenient for gag lever post 1101 removes about through the through-hole, carries out spacing fixed to first sliding sleeve 7, draws piece 13 through the setting, and convenient to use person draws piece 13 through the pulling, and control gag lever post 1101's removal has improved the utility model discloses a convenience.

Referring to fig. 3, cushions are fixedly connected to both top and bottom of the right side of the movable plate 1103, and the left side of the cushion is in close contact with the inner wall of the case 9.

Adopt above-mentioned scheme: through setting up the blotter, the effectual spring 1102 of having avoided exerts the reaction force to fly leaf 1103, drives fly leaf 1103 and moves left and collides with shell 9, causes certain damage to fly leaf 1103, increases user's use cost.

The utility model discloses a theory of operation:

when the valve rod body 2 is screwed down by a user, the pull block 13 can be controlled to move rightwards, the limiting rod 1101 is driven to move rightwards to be separated from the limiting groove 12, meanwhile, the movable plate 1103 moves along with the limiting rod 1101, the spring 1102 is stressed and compressed, the shell 9 moves upwards to drive the first sliding sleeve 7 to move upwards, the movable ring 6 moves upwards along with the first sliding sleeve 7, when the shell 9 moves to the top, the movable ring 6 is meshed with the gear 5, meanwhile, the limiting rod 1101 corresponds to the limiting groove 12, the pull block 13 is loosened, the spring 1102 exerts a reaction force on the movable plate 1103 to drive the movable plate 1103 to move leftwards, the limiting rod 1101 moves leftwards along with the movable rod to be in close contact with the limiting groove 12, the first sliding sleeve 7 is limited and fixed, and the movable ring 6 is further fixed.

In summary, the following steps: this high-pressure valve is with preventing valve rod device that rolls back, through setting up high-pressure valve body 1, valve rod body 2, fixing bolt 3, set casing 4, gear 5, the movable ring 6, first sliding sleeve 7, first slide bar 8, shell 9, lead to groove 10, stop gear 11, spacing groove 12 and the cooperation of drawing piece 13 are used, current high-pressure valve has been solved and has been lacked in the use and prevent that the valve rod from rolling back the function, lead to the great valve rod of fluid pressure to appear rolling back the phenomenon, cause the condition of fluid leakage, the practicality of high-pressure valve has been reduced, the problem that the user of being not convenient for used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 high pressure valve is with preventing valve rod backspacing device, includes high pressure valve body (1), its characterized in that: the valve rod body (2) is arranged at the top of the high-pressure valve body (1), the fixing bolt (3) is sleeved on the surface of the valve rod body (2), the fixing shell (4) is fixedly connected to the top of the fixing bolt (3), the bottom of the valve rod body (2) sequentially penetrates through the fixing shell (4) and the high-pressure valve body (1) and extends to the inner cavity of the high-pressure valve body (1), the gear (5) is sleeved on the surface of the valve rod body (2), the movable ring (6) is meshed on the surface of the gear (5), the first sliding sleeve (7) is fixedly connected to the right side of the movable ring (6), the first sliding rod (8) is movably connected to the inner cavity of the first sliding sleeve (7), the shell (9) is fixedly connected to the right side of the first sliding sleeve (7), the through groove (10) matched with the shell (9) for use is formed in the right, the inner cavity of the shell (9) is movably connected with a limiting mechanism (11), and a limiting groove (12) matched with the limiting mechanism (11) for use is formed in the right side of the first sliding rod (8).

2. The stem recession prevention device of claim 1, wherein: stop gear (11) include gag lever post (1101), the surface of gag lever post (1101) and the inner chamber swing joint of shell (9), the surface of gag lever post (1101) is equipped with spring (1102) and fly leaf (1103) respectively, the left side and fly leaf (1103) fixed connection of spring (1102), the right side of spring (1102) and the inner wall fixed connection of shell (9), the inner chamber of shell (9) and first sliding sleeve (7) and extending to spacing groove (12) is run through in proper order in the right side of gag lever post (1101).

3. The stem recession prevention device of claim 1, wherein: the left side fixedly connected with second sliding sleeve of activity circle (6), and the inner chamber swing joint of second sliding sleeve has the second slide bar, the top and the bottom of first slide bar (8) and second slide bar all with the inner wall fixed connection of set casing (4).

4. A stem recession prevention device for a high pressure valve, as defined in claim 2, wherein: the top and the bottom of fly leaf (1103) all fixedly connected with slider, the spout that uses with the slider cooperation is all seted up to the top and the bottom of shell (9) inner wall.

5. A stem recession prevention device for a high pressure valve, as defined in claim 2, wherein: the right side of the shell (9) is provided with a through hole matched with the limiting rod (1101) for use, and the right side of the limiting rod (1101) penetrates through the through hole and is fixedly connected with a pull block (13).

6. A stem recession prevention device for a high pressure valve, as defined in claim 2, wherein: the top and the bottom on fly leaf (1103) right side all fixedly connected with blotter, and the inner wall in close contact with shell (9) on the left side of blotter.