CN114719078A

CN114719078A - Valve rod protection clutch

Info

Publication number: CN114719078A
Application number: CN202210409930.7A
Authority: CN
Inventors: 金志远; 黄时然; 金汉聂; 陈阿龙; 钟庚福; 叶挺
Original assignee: Oulam Valve Technology Co ltd
Current assignee: Oulam Valve Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-08
Anticipated expiration: 2042-04-19
Also published as: CN114719078B

Abstract

The invention discloses a valve rod protection clutch device which comprises a driving motor, the driving motor, positioning plates and guide sliding rods, wherein the driving motor is installed on the driving motor, the positioning plates are installed at two ends of a valve rod body, the guide sliding rods are installed at two sides of the positioning plates, a concave embedded groove is formed in the outer wall of the upper end of an anti-impact sleeve, and a buffer assembly is arranged at the upper end of the concave embedded groove. Through setting up the movable bin on scour protection cover top, the linkage piece, the extension post, the locking screw, the locating piece, V type hole and the horizontal cooperation that leads to the groove each other, after the locating piece received the impact force of locating plate along the horizontal logical groove production horizontal slip back on pressing from both sides the cover one, let the downthehole extension post of V type drive linkage piece along the movable bin upward movement simultaneously, move to movable bin top when the linkage piece, the linkage piece stroke will be locked, and also die the stroke lock under the extension post effect on the locating piece can the linkage piece simultaneously, thereby make and press from both sides two drive scour protection covers and the dead stroke of valve rod body lock of cover, thereby can directly avoid the scour protection cover directly to receive the striking to produce the problem of damaging.

Description

Valve rod protection clutch

Technical Field

The invention relates to the technical field of valve rod protection, in particular to a valve rod protection clutch device.

Background

The valve rod is one of the important parts of the valve, is used for valve core transmission of the valve, is connected with an actuating mechanism or a handle, and directly drives the valve core to move or rotate along the surface of the valve core under the action of the actuating mechanism or the handle so as to realize the opening and closing or adjusting action of the valve.

The valve rod is not only a moving part, a stress part and a sealing part in the opening and closing processes of the valve, but also is a sealing part, and simultaneously, because the valve rod is impacted and corroded by a medium and also generates friction with a filler, when a valve rod material is selected, the valve rod material must be ensured to have enough strength, good impact toughness, scratch resistance and corrosion resistance at a specified temperature.

The valve rod on the market is in the operation in-process, is by the screw thread drive thread bush on valve rod surface and moves, and when moving to the valve rod both ends for the thread bush under the effect of valve rod, because do not install the device that has the guard action on it, probably can make the thread bush drive the case striking to the valve rod tip, lead to the device part to receive the damage, for this reason we provide a valve rod protection clutch and solve above-mentioned problem.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a valve rod protection clutch device, through a buffer assembly arranged at the top end of an anti-impact sleeve, when a linkage block moves to the top end of a movable bin, the stroke of the linkage block is locked, and meanwhile, a positioning block can lock the stroke under the action of an extension column on the linkage block, so that an upper jacket II drives the anti-impact sleeve and a valve rod body to be locked, the anti-impact sleeve can be directly prevented from being directly impacted, and the problem that parts of the device are damaged due to the fact that a threaded sleeve drives a valve core to impact the end part of a valve rod in the background technology is solved.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a valve rod protection clutch, includes driving motor, installs driving motor on driving motor, installs at the locating plate at valve rod body both ends and installs the direction slide bar in the locating plate both sides, the outside threaded connection of locating plate has the scour protection cover, scour protection cover outside is provided with the sheath subassembly, and the scour protection cover pass through the sheath subassembly and connect with two sets of locating plates, concave caulking groove has been seted up to scour protection cover upper end outer wall, concave caulking groove upper end is provided with the buffering subassembly.

As a preferred technical scheme of the invention, the sheath assembly comprises a first upper jacket and a second upper jacket which are arranged at two sides of the upper end of the anti-impact sleeve, a first lower jacket and a guide chute which are arranged at two sides of the lower end of the anti-impact sleeve, and mounting screws which are in threaded connection with the first lower jacket and the second lower jacket;

the anti-impact sleeve is characterized in that guide sliding grooves are formed in the upper clamping sleeve I, the upper clamping sleeve II, the lower clamping sleeve I and the lower clamping sleeve II, two groups of guide sliding rods penetrate through the guide sliding grooves, and the upper clamping sleeve I, the upper clamping sleeve II, the lower clamping sleeve I and the lower clamping sleeve II are connected to the outer portion of the anti-impact sleeve through a plurality of groups of mounting screws.

As a preferred technical scheme of the invention, the buffer assembly comprises a linkage block arranged in the concave embedding groove, an extension column fixed outside the linkage block, a positioning block sleeved outside the extension column and a V-shaped hole arranged on the positioning block;

the movable bin is arranged at one end, opposite to the upper clamping sleeve, of the upper clamping sleeve II, the linkage block is installed in the movable bin, a transverse through groove is formed in one side, facing the positioning block, of the upper clamping sleeve I, and the positioning block is located inside the transverse through groove.

As a preferred technical scheme of the invention, the top end of the linkage block is provided with a locking screw hole, the top end of the movable bin is provided with a movable hole, the locking screw hole is internally threaded with a locking screw, and the upper end of the locking screw penetrates through the interior of the movable hole.

As a preferred technical scheme of the invention, the extension column at the outer end of the linkage block is inserted into the V-shaped hole on the positioning block, and the outer wall of the extension column is fully attached to the inner wall of the V-shaped hole.

As a preferred technical scheme of the invention, the movable bin, the linkage block, the extension column, the positioning block, the V-shaped hole and the outer surface of the transverse through groove are polished.

As a preferable technical scheme of the invention, the height of the positioning block is the same as the inner height of the transverse through groove on the first upper jacket, and two ends of the positioning block extend out of two sides of the transverse through groove.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. through the mutual matching of the movable bin, the linkage block, the extension column, the locking screw hole, the positioning block, the V-shaped hole and the transverse through groove which are arranged at the top end of the anti-impact sleeve, when the positioning block is subjected to the impact force of the positioning plate and horizontally slides along the transverse through groove on the upper clamping sleeve I, the extension column in the V-shaped hole drives the linkage block to move upwards along the movable bin, when the linkage block moves to the top end of the movable bin, the stroke of the linkage block is locked, and simultaneously, the positioning block can lock the stroke under the action of the extension column on the linkage block, so that the upper clamping sleeve II drives the anti-impact sleeve and the valve rod body to be locked, and the problem that the anti-impact sleeve is directly impacted to cause damage can be directly avoided;

2. through setting up the buffering subassembly on scour protection cover top, let the locating piece receive the impact force back edge of locating plate and press from both sides the horizontal through groove on the cover one and produce horizontal slip, let the impact force that the locating piece will receive release along the X axle, V type hole intermediate position department that lies in on the locating piece simultaneously extends the post and can slide along V type downthehole portion at locating piece horizontal migration's in-process, make the linkage piece can upwards slide along the prefabricated storehouse under the effect that extends the post, and can guide partly locating piece transmission to extend post department effort and release along the Y axle at the gliding in-process of linkage piece, through the linear motion of vertically crossing locating piece and linkage piece, can effectively reduce the impact force that each part of device received, effectively improve device's life.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a schematic view of the structure of the impingement sleeve of the present invention;

figure 4 is a schematic view of a partial explosion of the exterior of an impingement sleeve of the present invention;

figure 5 is a schematic view of a complete explosion of the exterior of the impingement sleeve of the present invention;

fig. 6 is an enlarged schematic view of fig. 1 at a.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a drive motor; 2. a valve stem body; 3. positioning a plate; 4. a guide slide bar; 5. an anti-scour sleeve; 6. a concave embedding groove; 7. an upper jacket I; 8. an upper jacket II; 9. a first lower jacket; 10. a second lower jacket; 11. a guide chute; 12. mounting screws; 13. a movable bin; 14. a linkage block; 15. extending the column; 16. locking the screw hole; 17. positioning blocks; 18. a V-shaped hole; 19. a transverse through groove; 20. a movable hole; 21. and locking the screw.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-6, a valve rod protection clutch device comprises a driving motor 1, a driving motor 1 installed on the driving motor 1, positioning plates 3 installed at two ends of a valve rod body 2, and guide slide bars 4 installed at two sides of the positioning plates 3, wherein the positioning plates 3 are externally connected with an anti-impact sleeve 5 in a threaded manner, a sheath assembly is arranged outside the anti-impact sleeve 5, the anti-impact sleeve 5 is connected with two groups of positioning plates 3 through the sheath assembly, the sheath assembly comprises an upper jacket I7 and an upper jacket II 8 installed at two sides of the upper end of the anti-impact sleeve 5, a lower jacket I9 and a guide chute 11 installed at two sides of the lower end of the anti-impact sleeve 5, and mounting screws 12 in threaded connection with the lower jacket I9 and the lower jacket II 10;

the first upper jacket 7, the second upper jacket 8, the first lower jacket 9 and the second lower jacket 10 are all provided with guide chutes 11, two groups of guide slide bars 4 penetrate through the guide chutes 11, the first upper jacket 7, the second upper jacket 8, the first lower jacket 9 and the second lower jacket 10 are connected outside the anti-impact sleeve 5 through a plurality of groups of mounting screws 12,

through the sheath subassembly of fixed connection at the 5 surfaces of scour protection cover, when valve rod body 2 rotated, can let the sheath subassembly drive scour protection cover 5 and slide along direction slide bar 4, form simultaneously scour protection cover 5 holistic angle limiting displacement for scour protection cover 5 self can't produce the rotation, and carry out the horizontal motion along valve rod body 2 surfaces.

The outer wall of the upper end of the anti-impact sleeve 5 is provided with a concave embedded groove 6, the upper end of the concave embedded groove 6 is provided with a buffer assembly, and the buffer assembly comprises a linkage block 14 arranged in the concave embedded groove 6, an extension column 15 fixed outside the linkage block 14, a positioning block 17 sleeved outside the extension column 15 and a V-shaped hole 18 arranged on the positioning block 17;

a movable bin 13 is arranged at one end, opposite to the upper jacket I8 and the upper jacket I7, a linkage block 14 is arranged in the movable bin 13, a transverse through groove 19 is arranged on one side, facing a positioning block 17, of the upper jacket I7, and the positioning block 17 is located inside the transverse through groove 19;

through setting up the buffering subassembly in 5 upper ends of scour protection cover, avoided scour protection cover 5 direct striking locating plate 3, effectively reduced the impact strength that scour protection cover 5 received, improved the holistic life of device.

The working principle is as follows: when the driving motor 1 works to drive the valve rod body 2 to rotate, the anti-impact sleeve 5 moves towards two sides under the action of threads, when the anti-impact sleeve 5 moves to the positioning plate 3, the outer wall positioning block 17 contacts with the outer wall of the positioning plate 3, the positioning block 17 slides horizontally along the transverse through groove 19 on the upper jacket I7 after receiving the impact force of the positioning plate 3, so that the positioning block 17 releases the received impact force along the X axis, meanwhile, the extension column 15 at the middle position of the V-shaped hole 18 on the positioning block 17 slides along the inside of the V-shaped hole 18 in the horizontal movement process of the positioning block 17, so that the linkage block 14 slides upwards along the movable bin 13 under the action of the extension column 15, part of the positioning block 17 is guided to be transmitted to the extension column 15 to release the acting force along the Y axis in the sliding process of the linkage block 14, and when the linkage block 14 moves to the top end of the

movable bin

13, 14 strokes of linkage piece will be deadlocked to also deadlocking the stroke under the extension post 15 effect on 17 can linkage piece 14 of locating piece simultaneously, thereby can directly avoid scour protection cover 5 self to receive the striking to produce and damage, simultaneously through perpendicular criss-cross locating piece 17 and linkage piece 14's motion, can effectively reduce the impact force that scour protection cover 5 self received, improve scour protection cover 5's life.

In other embodiments, the top end of the linkage block 14 is provided with a locking screw hole 16, the top end of the movable bin 13 is provided with a movable hole 20, the locking screw hole 16 is internally threaded with a locking screw 21, and the upper end of the locking screw 21 penetrates through the movable hole 20;

through the design, when the linkage block 14 moves up and down along the movable bin 13, the locking screw 21 can move up and down along the movable hole 20 at the top end of the movable bin 13 under the driving of the linkage block 14, so that the motion track of the linkage block 14 can be observed externally through the locking screw 21, and the observation of the motion state of the linkage block 14 is indirectly formed.

In other embodiments, the extending column 15 at the outer end of the linkage block 14 is inserted into the V-shaped hole 18 on the positioning block 17, and the outer wall of the extending column 15 is fully attached to the inner wall of the V-shaped hole 18;

through the design, when the extension column 15 at the outer end of the linkage block 14 moves along the V-shaped hole 18 on the positioning block 17, the extension column 15 and the positioning block 17 are prevented from generating large shaking in the moving process, and the stability and the fluency of the positioning block 17 and the linkage block 14 during movement are ensured.

In other embodiments, the outer surfaces of the movable bin 13, the linkage block 14, the extension column 15, the positioning block 17, the V-shaped hole 18 and the transverse through groove 19 are all polished;

through this design, effectively reduced the frictional force between activity storehouse 13, linkage block 14, extension post 15, locating piece 17, V type hole 18 and the horizontal through-groove 19, reduced the wearing and tearing between each part, can cooperate effectively between each part of assurance and use.

In other embodiments, the height of the positioning block 17 is the same as the internal height of the transverse through groove 19 on the upper jacket one 7, and both ends of the positioning block 17 extend out of both sides of the transverse through groove 19;

through this design, when scour protection cover 5 drove the motion of locating piece 17 to locating plate 3 department, guaranteed that locating piece 17 can contact locating plate 3 in advance to it steadily slides to have guaranteed that locating piece 17 follows the horizontal through groove 19 on the upper jacket 7.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a valve rod protection clutch, includes driving motor (1), installs driving motor (1) on driving motor (1), installs locating plate (3) at valve rod body (2) both ends and installs direction slide bar (4) in locating plate (3) both sides, its characterized in that: locating plate (3) outside threaded connection has scour protection cover (5), scour protection cover (5) outside is provided with the sheath subassembly, and scour protection cover (5) pass through the sheath subassembly and connect with two sets of locating plates (3), concave caulking groove (6) have been seted up to scour protection cover (5) upper end outer wall, concave caulking groove (6) upper end is provided with the buffering subassembly.

2. The stem protection clutching device of claim 1, wherein: the sheath assembly comprises a first upper jacket (7) and a second upper jacket (8) which are arranged on two sides of the upper end of the scour prevention sleeve (5), a first lower jacket (9) and a guide chute (11) which are arranged on two sides of the lower end of the scour prevention sleeve (5), and mounting screws (12) which are in threaded connection with the first lower jacket (9) and the second lower jacket (10);

the anti-collision sleeve is characterized in that a guide sliding groove (11) is formed in the upper clamping sleeve I (7), the upper clamping sleeve II (8), the lower clamping sleeve I (9) and the lower clamping sleeve II (10), two groups of guide sliding rods (4) penetrate through the guide sliding groove (11), and the upper clamping sleeve I (7), the upper clamping sleeve II (8), the lower clamping sleeve I (9) and the lower clamping sleeve II (10) are connected to the outer portion of the anti-collision sleeve (5) through a plurality of groups of mounting screws (12).

3. A valve stem protection clutching device as claimed in claim 1 or 2, wherein: the buffer component comprises a linkage block (14) arranged in the recessed embedded groove (6), an extension column (15) fixed outside the linkage block (14), a positioning block (17) sleeved outside the extension column (15) and a V-shaped hole (18) arranged on the positioning block (17);

the movable bin (13) is arranged at one end, opposite to the upper clamping sleeve I (7), of the upper clamping sleeve II (8), the linkage block (14) is installed in the movable bin (13), a transverse through groove (19) is formed in one side, facing the positioning block (17), of the upper clamping sleeve I (7), and the positioning block (17) is located inside the transverse through groove (19).

4. A valve stem protection clutched device as claimed in claim 3, wherein: locking screw hole (16) have been seted up on linkage block (14) top, activity hole (20) have been seted up on activity storehouse (13) top, locking screw hole (16) female connection has locking screw (21), and inside locking screw (21) upper end runs through activity hole (20).

5. A valve stem protection clutched device as claimed in claim 3, wherein: an extension column (15) at the outer end of the linkage block (14) is inserted into a V-shaped hole (18) in the positioning block (17), and the outer wall of the extension column (15) is fully attached to the inner wall of the V-shaped hole (18).

6. A valve stem protection clutched device as claimed in claim 3, wherein: the outer surfaces of the movable bin (13), the linkage block (14), the extension column (15), the positioning block (17), the V-shaped hole (18) and the transverse through groove (19) are polished.

7. A valve stem protection clutched device as claimed in claim 3, wherein: the height of the positioning block (17) is the same as the internal height of the transverse through groove (19) on the upper jacket I (7), and two ends of the positioning block (17) extend out of two sides of the transverse through groove (19).