CN218670877U

CN218670877U - Integral conical coupling sleeve and rotary valve

Info

Publication number: CN218670877U
Application number: CN202223133457.9U
Authority: CN
Inventors: 彭秀成; 黄刚; 冯程; 钱彦霖
Original assignee: Sichuan Keycon Kcon Valve Manufacturing Co ltd
Current assignee: Sichuan Keycon Kcon Valve Manufacturing Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-21
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to the technical field of valving, especially, relate to an integral toper shaft coupling and rotary valve, it includes shaft coupling body and clamping mechanism, through being provided with clamping mechanism, the shaft coupling body sets up in clamping mechanism, make the tight seat of piston clamp make the outer wall of upper portion lean on with the inner wall phase-match of the tight hole of second clamp to lean on to link together in pressing from both sides tight seat installation cavity downwards through letting in power medium to clamping mechanism, thereby press from both sides the shaft coupling body tightly, it makes clamping mechanism can provide bigger more firm clamp force to set up like this, reduce the fracture to appear, not hard up possibility, the life of integral toper shaft coupling and 90 degrees rotary valve has been improved, simultaneously the utility model discloses integral toper shaft coupling also more conveniently is installed in narrow space.

Description

Integral conical coupling sleeve and rotary valve

Technical Field

The utility model relates to the technical field of valving, especially, relate to an integral toper shaft coupling and rotary valve.

Background

The 90-degree rotary valve comprises an actuator and a valve body, wherein a driving shaft of the actuator is detachably connected with a rotary shaft of the valve body through an integral conical coupling sleeve. At present, the commonly used integral conical coupling sleeve is clamped by connecting two half coupling sleeves by screws, and the coupling sleeve has the defects that the screws are easy to break and loosen under the working conditions of large transmission torque, high valve switching frequency and vibration of a pipeline system, so that the service life of the coupling sleeve is seriously influenced and the service life of a 90-degree rotary valve is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a longer integral toper shaft coupling of life.

The utility model provides a technical scheme that its technical problem adopted is: the integral conical coupling sleeve comprises a coupling sleeve body and a clamping mechanism, wherein the middle upper part of the coupling sleeve body is in a frustum shape with a small top and a large bottom, a connecting hole is formed in the middle of the coupling sleeve body and is communicated up and down, a first adjusting groove is formed in one side of the connecting hole, a second adjusting groove is formed in the other side of the connecting hole, the first adjusting groove and the second adjusting groove are communicated up and down in the coupling sleeve body, two sides of the connecting hole are respectively communicated with the first adjusting groove and the second adjusting groove, the tail end of the first adjusting groove is arranged in the coupling sleeve body and is sealed, the tail end of the second adjusting groove extends out of the body wall of the coupling sleeve body and is provided with an opening, and a semicircular horizontal adjusting groove is formed in the coupling sleeve body on one side of the second adjusting groove;

the clamping mechanism comprises a clamping shell and a piston clamping seat, a first clamping hole is formed in the middle of the clamping shell, the first clamping hole is communicated up and down, a clamping seat installation cavity is formed beside the first clamping hole and is arranged in the up-down direction, the clamping seat installation cavity is communicated with the first clamping hole, a power medium inlet connection hole is formed in the clamping shell, the power medium inlet connection hole is communicated with the clamping seat installation cavity, the piston clamping seat is arranged in the clamping seat installation cavity, and the piston clamping seat can move up and down in the clamping seat installation cavity;

a second clamping hole is formed in the middle of the piston clamping seat, the second clamping hole is communicated up and down and is coaxially arranged with the first clamping hole, the second clamping hole is in a frustum shape with a small upper part and a large lower part, and the frustum shape of the second clamping hole is the same as that of the middle upper part of the coupling sleeve body;

the connecting shaft sleeve body is arranged in the second clamping hole and the first clamping hole, the outer wall of the middle lower part of the connecting shaft sleeve body is connected with the inner wall of the first clamping hole in a leaning mode, the upper part of the connecting shaft sleeve body is arranged in the second clamping hole, and under the action of a power medium, the piston clamping seat can move downwards in the clamping seat installation cavity to enable the outer wall of the middle upper part of the connecting shaft sleeve body to be connected with the inner wall of the second clamping hole in a leaning mode, so that the connecting shaft sleeve body is clamped tightly.

Furthermore, the bottom of the first adjusting groove is U-shaped, and the bottom of the semicircular horizontal adjusting groove is U-shaped.

Furthermore, the power medium inlet connecting hole is arranged at the upper part of the clamping shell, and the power medium inlet connecting hole is positioned above the piston clamping seat;

the exhaust hole is formed in the lower portion of the clamping shell and communicated with the clamping seat mounting cavity, and the exhaust hole is located below the piston clamping seat.

Further, the power medium inlet connecting hole is a threaded connecting hole.

Furthermore, the piston clamping device further comprises a power medium discharge valve, the power medium discharge valve is communicated with the clamping seat mounting cavity, and the power medium discharge valve is positioned above the piston clamping seat.

Further, a sealing structure is arranged between the side wall of the clamping seat mounting cavity and the piston clamping seat.

Further, the clamping housing comprises an upper housing part and a lower housing part, which are detachably connected together by a connecting piece.

Further, the middle lower part of the coupling sleeve body is in a frustum shape with a large upper part and a small lower part, the middle lower part of the first clamping hole is in a frustum shape with a large upper part and a small lower part, and the frustum shape of the middle lower part of the second clamping hole and the frustum shape of the middle lower part of the coupling sleeve body are the same as the frustum shape of the middle upper part of the coupling sleeve body.

Furthermore, the utility model discloses the technical problem that still need solve provides the longer rotary valve of life.

The rotary valve comprises an actuator, a valve body and the integral conical coupling sleeve, wherein a driving shaft of the actuator is detachably connected with the rotary shaft of the valve body through the integral conical coupling sleeve.

Preferably, the valve further comprises a support, the upper portion of the support is connected with the actuator, the lower portion of the support is connected with the valve body, and the integral conical coupling sleeve is arranged in the support.

The utility model has the advantages that: through being provided with clamping mechanism, the shaft coupling sleeve body sets up in clamping mechanism, through letting in power medium to clamping mechanism makes the tight seat of piston clamp move down in pressing from both sides tight seat installation cavity and make the outer wall of upper portion lean on with the inner wall phase-match of the tight hole of second clamp and lean on and link together, thereby press from both sides the shaft coupling sleeve body tightly, set up like this and make clamping mechanism can provide bigger more firm clamp force, reduce the fracture appearing, not hard up possibility, the life of integral toper shaft coupling sleeve and 90 degrees rotary valve has been improved, simultaneously the utility model discloses integral toper shaft coupling also more conveniently installs in narrow space. Further, integral toper shaft coupling is provided with first adjustment groove, second adjustment groove and semi-circular horizontal adjustment groove, and when the executor was done 90 degrees gyration and was driven the revolving axle gyration and come the switch valve, because the shaft coupling sleeve closely laminates with the drive shaft of revolving axle, executor, consequently can not cause any damage to three's contact surface, the utility model discloses a shaft coupling sleeve has avoided the existence in blind spot, has guaranteed promptly that valve switch accurately targets in place, does benefit to valve seal or adjusts, and the precision is high, simple structure, convenient to use, and the practicality is stronger.

Drawings

FIG. 1 is an elevational cross-sectional view of an integral conical coupling sleeve;

FIG. 2 is a top view of the integral conical coupling sleeve;

FIG. 3 is a schematic view of the sleeve body when unclamped;

FIG. 4 is a schematic view of a clamping mechanism;

FIG. 5 is a schematic view of a rotary valve;

the mark is: the coupling sleeve comprises a coupling sleeve body 1, a semicircular horizontal adjusting groove 11, a connecting hole 12, a first adjusting groove 13, a second adjusting groove 14, a clamping mechanism 2, a clamping shell 21, a first clamping hole 211, a clamping seat mounting cavity 212, a shell upper part 213, a shell lower part 214, a power medium inlet connecting hole 215, an exhaust hole 216, a piston clamping seat 22, a second clamping hole 221, a sealing structure 23, a power medium outlet valve 24, an actuator 3, a valve body 4 and a support 5.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The orientations referred to below are based on the orientation of the components in fig. 1.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the integral conical coupling sleeve of the present invention comprises a coupling sleeve body 1 and a clamping mechanism 2, wherein the middle upper portion of the coupling sleeve body 1 is in a frustum shape with a small upper portion and a large lower portion, a connecting hole 12 is provided in the middle of the coupling sleeve body 1, the connecting hole 12 is through from top to bottom, a first adjusting groove 13 is provided on one side of the connecting hole 12, a second adjusting groove 14 is provided on the other side of the connecting hole 12, the first adjusting groove 13 and the second adjusting groove 14 are through arranged in the coupling sleeve body 1 from top to bottom, both sides of the connecting hole 12 are respectively communicated with the first adjusting groove 13 and the second adjusting groove 14, the end of the first adjusting groove 13 is arranged in the coupling sleeve body 1 and is closed, the end of the second adjusting groove 14 extends to the outside of the body wall of the coupling sleeve body 1 and is provided with an opening, and a semicircular horizontal adjusting groove 11 is provided in the coupling sleeve body 1 on one side of the second adjusting groove 14;

the clamping mechanism 2 comprises a clamping shell 21 and a piston clamping seat 22, a first clamping hole 211 is formed in the middle of the clamping shell 21, the first clamping hole 211 is vertically communicated, a clamping seat installation cavity 212 is formed beside the first clamping hole 211, the clamping seat installation cavity 212 is vertically arranged, the clamping seat installation cavity 212 is communicated with the first clamping hole 211, a power medium inlet connecting hole 215 is formed in the clamping shell 21, the power medium inlet connecting hole 215 is communicated with the clamping seat installation cavity 212, the piston clamping seat 22 is arranged in the clamping seat installation cavity 212, and the piston clamping seat 22 can vertically move in the clamping seat installation cavity 212;

a second clamping hole 221 is formed in the middle of the piston clamping seat 22, the second clamping hole 221 is through up and down, the second clamping hole 221 and the first clamping hole 211 are coaxially arranged, the second clamping hole 221 is in a frustum shape with a small upper part and a large lower part, and the frustum shape of the second clamping hole 221 is the same as that of the middle upper part of the coupling sleeve body 1;

the coupling sleeve body 1 is arranged in the second clamping hole 221 and the first clamping hole 211, the outer wall of the middle lower part of the coupling sleeve body 1 is connected with the inner wall of the first clamping hole 211 in an attached mode, the middle upper part of the coupling sleeve body 1 is arranged in the second clamping hole 221, under the action of a power medium, the piston clamping seat 22 can move downwards in the clamping seat installation cavity 212 to enable the outer wall of the middle upper part of the coupling sleeve body 1 to be connected with the inner wall of the second clamping hole 221 in an attached mode, and therefore the coupling sleeve body 1 is clamped.

For more convenience of use and processing, as shown in fig. 2 and 3, the bottom of the first adjusting groove 13 is U-shaped, and the bottom of the semicircular horizontal adjusting groove 11 is U-shaped. The size of the gap of the second adjusting groove 14 can be adjusted according to the size of the coupling sleeve, and the shape of the second adjusting groove can be I-shaped or V-shaped.

The clamping housing 21 and the piston clamping seat 22 are similar to a piston cylinder or a piston cylinder structure, and the power medium can be hydraulic oil or gas, and since the actuator 3 of the rotary valve is usually a pneumatic actuator, the power medium is preferably gas, and shares a gas source with the pneumatic actuator, so that the use is convenient. To further facilitate the downward movement of the piston clamping shoe 22 by the power medium, a power medium inlet connection hole 215 is provided at the upper portion of the clamping housing 21, and the power medium inlet connection hole 215 is located above the piston clamping shoe 22. Furthermore, as shown in fig. 1, the present invention further comprises an exhaust hole 216, the exhaust hole 216 is disposed at the lower portion of the clamping housing 21, the exhaust hole 216 is communicated with the clamping seat mounting cavity 212, and the exhaust hole 216 is located below the piston clamping seat 22. Before the piston clamping seat 22 moves downwards, air below the piston clamping seat 22 is exhausted through the exhaust hole 216, and the internal air is prevented from influencing the downward movement of the piston clamping seat 22. After using a certain time, need change or maintain the shaft coupling sleeve body 1, the utility model discloses still be provided with power medium discharge valve 24, power medium discharge valve 24 is linked together with pressing from both sides tight seat installation cavity 212, and power medium discharge valve 24 is located the top that the piston pressed from both sides tight seat 22. The power medium above the piston clamping seat 22 is discharged through the power medium discharge valve 24, the piston clamping seat 22 can move upwards under the action of other power, and the clamping mechanism 2 can replace or maintain the coupling sleeve body 1 without clamping the coupling sleeve body 1.

In order to facilitate the connection of the motive medium inlet connection hole 215 with the motive medium supply device, the motive medium inlet connection hole 215 is preferably a threaded connection hole.

In order to ensure the using effect of the clamping housing 21 and the piston clamping seat 22, as further shown in fig. 1, a sealing structure 23 is arranged between the side wall of the clamping seat mounting cavity 212 and the piston clamping seat 22, and the sealing structure 23 is preferably an O-ring.

In order to facilitate the machining and mounting of the clamping housing 21, the clamping housing 21 comprises an upper housing part 213 and a lower housing part 214, the upper housing part 213 and the lower housing part 214 being detachably connected together by means of a connecting element, preferably a connecting screw.

In order to facilitate the processing and installation of the whole integral type conical coupling sleeve, the middle lower part of the coupling sleeve body 1 is in a frustum shape with a large upper part and a small lower part, the middle lower part of the first clamping hole 211 is in a frustum shape with a large upper part and a small lower part, the frustum shape of the middle lower part of the second clamping hole 221 and the frustum shape of the middle lower part of the coupling sleeve body 1 are the same as the frustum shape of the middle upper part of the coupling sleeve body 1, namely the frustum shape of the middle lower part of the first clamping hole 211 and the second clamping hole 221 and the frustum shape of the middle lower part of the coupling sleeve body 1 are the same as the frustum shape of the middle upper part of the coupling sleeve body 1, so that the clamping force of the clamping mechanism 2 on the coupling sleeve body 1 can be improved, the upper and lower positions of the clamping mechanism 2 can be exchanged, the using effect is the same, and the installation and the use are more convenient.

The rotary valve comprises an actuator 3 and a valve body 4, wherein the actuator 3 is a pneumatic actuator and further comprises the integral conical coupling sleeve, a driving shaft of the actuator 3 is arranged on the upper half part of the connecting hole 12, and a rotary shaft of the valve body 4 is arranged on the lower half part of the connecting hole 12, so that the actuator 3 and the valve body 4 are detachably connected together through the integral conical coupling sleeve.

In order to improve the overall connection strength, as shown in fig. 5, the utility model discloses rotary valve still is provided with support 5, and the upper portion of support 5 is connected with executor 3, and the lower part of support 5 is connected with valve body 4, and integral toper shaft sleeve sets up in support 5, and support 5 also plays the guard action to integral toper shaft sleeve.

To sum up, the utility model discloses a be provided with clamping mechanism 2, coupling sleeve body 1 sets up in clamping mechanism 2, makes clamping mechanism 2 press from both sides the coupling sleeve body tightly through letting in power medium to clamping mechanism 2, sets up like this and makes clamping mechanism 2 can provide bigger more firm clamp force, reduces the fracture, not hard up possibility, has improved the life of integral toper coupling sleeve and 90 degrees gyration valves, simultaneously the utility model discloses integral toper coupling is also more convenient to be installed in narrow space. Further, integral toper shaft coupling is provided with first adjustment groove 13, second adjustment groove 14 and semi-circular horizontal adjustment groove 11, and when the executor was done 90 degrees gyration and was driven the revolving axle gyration and come the switch valve, because the shaft coupling sleeve closely laminated with revolving axle, executor 3's drive shaft, consequently can not cause any damage to the contact surface of three, the utility model discloses a shaft coupling sleeve has avoided the existence in blind spot, has guaranteed promptly that valve switch is accurate to target in place, does benefit to valve seal or adjusts, and the precision is high, simple structure, convenient to use, and the practicality is stronger.

Claims

1. Integral toper shaft coupling, its characterized in that: the connecting shaft sleeve comprises a connecting shaft sleeve body (1) and a clamping mechanism (2), wherein the middle upper part of the connecting shaft sleeve body (1) is in a frustum shape with a small upper part and a large lower part, a connecting hole (12) is formed in the middle of the connecting shaft sleeve body (1), the connecting hole (12) is vertically communicated, a first adjusting groove (13) is formed in one side of the connecting hole (12), a second adjusting groove (14) is formed in the other side of the connecting hole (12), the first adjusting groove (13) and the second adjusting groove (14) are vertically communicated and arranged in the connecting shaft sleeve body (1), two sides of the connecting hole (12) are respectively communicated with the first adjusting groove (13) and the second adjusting groove (14), the tail end of the first adjusting groove (13) is arranged in the connecting shaft sleeve body (1) in a closed mode, the tail end of the second adjusting groove (14) extends out of the body wall of the connecting shaft sleeve body (1) and is provided with an opening, and a semicircular horizontal adjusting groove (11) is formed in the connecting shaft sleeve body (1) on one side of the second adjusting groove (14);

the clamping mechanism (2) comprises a clamping shell (21) and a piston clamping seat (22), a first clamping hole (211) is formed in the middle of the clamping shell (21), the first clamping hole (211) is vertically communicated, a clamping seat installation cavity (212) is formed beside the first clamping hole (211), the clamping seat installation cavity (212) is vertically arranged, the clamping seat installation cavity (212) is communicated with the first clamping hole (211), a power medium entering connection hole (215) is formed in the clamping shell (21), the power medium entering connection hole (215) is communicated with the clamping seat installation cavity (212), the piston clamping seat (22) is arranged in the clamping seat installation cavity (212), and the piston clamping seat (22) can vertically move in the clamping seat installation cavity (212);

a second clamping hole (221) is formed in the middle of the piston clamping seat (22), the second clamping hole (221) is communicated up and down, the second clamping hole (221) and the first clamping hole (211) are coaxially arranged, the second clamping hole (221) is in a frustum shape with a small upper part and a large lower part, and the frustum shape of the second clamping hole (221) is the same as that of the middle upper part of the coupling sleeve body (1);

the coupling sleeve body (1) is arranged in a second clamping hole (221) and a first clamping hole (211), the outer wall of the middle lower part of the coupling sleeve body (1) is connected with the inner wall of the first clamping hole (211) in an attached mode, the middle upper part of the coupling sleeve body (1) is arranged in the second clamping hole (221), and under the action of a power medium, the piston clamping seat (22) can move downwards in the clamping seat installation cavity (212) to enable the outer wall of the middle upper part of the coupling sleeve body (1) to be connected with the inner wall of the second clamping hole (221) in an attached mode in a matched and attached mode, so that the coupling sleeve body (1) is clamped.

2. The unitary conical coupling sleeve according to claim 1, wherein: the bottom of the first adjusting groove (13) is U-shaped, and the bottom of the semicircular horizontal adjusting groove (11) is U-shaped.

3. The unitary conical coupling sleeve according to claim 1, wherein: the power medium inlet connecting hole (215) is arranged at the upper part of the clamping shell (21), and the power medium inlet connecting hole (215) is positioned above the piston clamping seat (22);

the piston clamping device is characterized by further comprising an exhaust hole (216), the exhaust hole (216) is formed in the lower portion of the clamping shell (21), the exhaust hole (216) is communicated with the clamping seat mounting cavity (212), and the exhaust hole (216) is located below the piston clamping seat (22).

4. The unitary conical coupling sleeve according to claim 1, wherein: the power medium inlet connecting hole (215) is a threaded connecting hole.

5. The unitary conical coupling sleeve according to claim 1, wherein: the piston clamping seat is characterized by further comprising a power medium discharge valve (24), the power medium discharge valve (24) is communicated with the clamping seat installation cavity (212), and the power medium discharge valve (24) is located above the piston clamping seat (22).

6. The one-piece conical coupling sleeve according to claim 1, wherein: and a sealing structure (23) is arranged between the side wall of the clamping seat mounting cavity (212) and the piston clamping seat (22).

7. The unitary conical coupling sleeve according to claim 1, wherein: the clamping housing (21) comprises an upper housing part (213) and a lower housing part (214), and the upper housing part (213) and the lower housing part (214) are detachably connected together through a connecting piece.

8. The unitary conical coupling according to any one of claims 1 to 7, wherein: the middle lower part of the coupling sleeve body (1) is in a frustum shape with a large upper part and a small lower part, the middle lower part of the first clamping hole (211) is in a frustum shape with a large upper part and a small lower part, and the frustum shape of the middle lower part of the second clamping hole (221) and the frustum shape of the middle lower part of the coupling sleeve body (1) are the same as the frustum shape of the middle upper part of the coupling sleeve body (1).

9. Gyration valve, including executor (3), valve body (4), its characterized in that: the integrated taper coupling sleeve of any one of claims 1 to 8, wherein the drive shaft of the actuator (3) and the rotary shaft of the valve body (4) are detachably connected by the integrated taper coupling sleeve.

10. A rotary valve as claimed in claim 9, wherein: the valve further comprises a support (5), the upper portion of the support (5) is connected with the actuator (3), the lower portion of the support (5) is connected with the valve body (4), and the integral conical coupling sleeve is arranged in the support (5).