CN217633932U - Manual mechanical locking mechanism for long valve shaft of conical valve - Google Patents
Manual mechanical locking mechanism for long valve shaft of conical valve Download PDFInfo
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- CN217633932U CN217633932U CN202221052794.2U CN202221052794U CN217633932U CN 217633932 U CN217633932 U CN 217633932U CN 202221052794 U CN202221052794 U CN 202221052794U CN 217633932 U CN217633932 U CN 217633932U
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Abstract
The utility model provides a long valve shaft manual mechanical locking mechanism of a conical valve, which comprises a valve shell, a bracket and a long valve shaft, wherein the bracket is fixed on the valve shell; the long valve shaft is parallel to the central shaft of the valve shell; still including locking seat, locating pin and promotion subassembly, the locking seat includes locking seat body and fixed plate, has seted up opening and activity chamber on the locking seat body, and the opening communicates each other and center pin mutually perpendicular with the activity chamber, and the spool passes the support and stretches into in the opening and along spool axial sliding connection with the locking seat body, and the fixed plate is fixed on the locking seat body, has seted up on the spool and has locked the groove locating pin and set up in activity intracavity and selective embedding locking inslot. This long valve shaft of conical valve manual mechanical locking mechanism through the promotion subassembly that sets up, can directly promote the removal of locating pin in the activity intracavity, and the locking action to long valve shaft is accomplished to cooperation locking groove, simple structure, and the transmission is reliable, and the operation has more the convenience, but fully satisfy the field usage demand.
Description
Technical Field
The utility model relates to a valve part technical field especially relates to a manual mechanical locking mechanical system of long valve shaft of cone valve.
Background
The cone valve is a working valve for adjusting the flow by changing the distance between the movable valve sleeve and the fixed cone, the cone valve is in a closed state, and when oil pressure operation is adopted, mechanical locking is required to be designed to ensure the safety and reliability of the cone valve in order to prevent the operating pressure oil from dropping and the valve from being opened by misoperation.
At present, the stroke of a valve sleeve axially moving of a conical valve is long, mechanical locking is complex to arrange on a long valve shaft fixed with the valve sleeve, a positioning pin is often adopted to longitudinally penetrate through the long valve shaft, then the end part of the positioning pin is fixed by a bolt, or the long valve shaft is directly fixed by the bolt, the mechanical locking of the long valve shaft is carried out, for example, a file with the publication number of CN 205315737U (a fixed conical valve with a guiding, locking and multistage energy dissipation structure) penetrates through a guide rod (the guide rod is the long valve shaft) by the positioning pin, and then the guide rod is fixed by the bolt, so that the mechanical locking of the long valve shaft is completed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a long valve shaft manual mechanical locking mechanism of conical valve can effectively improve manual operation's convenience and insertion accuracy, has higher reliability.
The technical scheme of the utility model is realized like this: the utility model provides a long valve shaft manual mechanical locking mechanism of a conical valve, which comprises a valve shell, a bracket and a long valve shaft, wherein,
the bracket is fixed on the valve shell;
the long valve shaft is parallel to the central shaft of the valve shell;
also comprises a locking seat, a positioning pin and a pushing component, wherein,
the locking seat comprises a locking seat body and a fixing plate, wherein,
the locking seat body is provided with a through hole and a movable cavity which are communicated with each other, the central axes of the through hole and the movable cavity are vertical to each other, and the long valve shaft penetrates through the bracket, extends into the through hole and is connected with the locking seat body in a sliding mode along the axial direction of the long valve shaft;
the fixing plate is fixed on the locking seat body;
the long valve shaft is provided with a locking groove;
the positioning pin is arranged in the movable cavity and is selectively embedded into the locking groove;
the pushing assembly is rotatably connected with the fixing plate and is in spiral transmission connection with the positioning pin.
On the basis of the above technical scheme, preferably, the locking seat further comprises at least four long bolts, and the support and the locking seat body are fixed by all the long bolts.
Further preferably, the device further comprises a positioning groove, wherein,
the constant head tank sets up in one side of support and locking seat contact, and encircles the outside at long valve shaft, and the outside of locking seat body extends to the inside of constant head tank and with constant head tank looks adaptation.
On the basis of the above technical solution, preferably, the pushing assembly includes a screw rod and a sleeve, wherein,
one end of the screw rod extends into the positioning pin and is in spiral transmission with the positioning pin, and the other end of the screw rod penetrates through the fixing plate to extend to the outside of the locking seat and is in a regular prism shape;
and the sleeve is rotatably arranged on the fixing plate and is fixed with the outside of the screw rod.
Further preferably, the fixing plate comprises a backing plate and a gland, the pushing assembly further comprises a limiting ring, wherein,
the backing plate is detachably fixed on the outer side of the locking seat body;
the limiting ring is fixed outside the sleeve;
the gland, detachable fix the one side of keeping away from the locking seat body at the backing plate, and the gland supports the one side of holding with the backing plate and has seted up the spacing groove, and the spacing ring is located the inside in spacing groove and rotatable.
Further preferably, the locking seat body and the fixing plate are fixed by short bolts.
On the basis of the above technical solution, preferably, the positioning pin further includes two inclined planes, wherein,
the inclined plane sets up the one end in the locating pin inserts locking groove, and two inclined plane bilateral symmetry, the inner wall and two of locking groove inclined plane looks adaptation.
On the basis of the above technical solution, preferably, the optical fiber further comprises a flat key, wherein,
the flat key is fixed relative to the positioning pin, a guide groove is formed in the movable cavity, and the flat key is embedded into the guide groove and is in sliding connection with the guide groove in the direction perpendicular to the long valve shaft.
On the basis of the above technical solution, preferably, the device further comprises a rotation indicator, wherein,
the rotation indicator is arranged on the fixing plate and is positioned outside the pushing assembly.
The utility model discloses a manual mechanical locking mechanical system of long valve shaft of cone valve has following beneficial effect for prior art:
(1) The push assembly can directly push the positioning pin to move in the movable cavity and is matched with the locking groove to complete the locking action of the long valve shaft, the structure is simple, the transmission is reliable, the operation is more convenient, and the field use requirement can be fully met;
(2) The combined detachable fixing plate is arranged, so that the main locking part can be conveniently overhauled and maintained, the maintenance cost is saved, and the part loss is reduced;
(3) The special design of both sides inclined plane is adopted to the stop pin for the locating pin operation is put into the locking in-process, and is more accurate and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a long spool manual mechanical locking mechanism of the present invention;
FIG. 2 is a top sectional view of the long spool manual mechanical locking mechanism of the conical valve of the present invention;
FIG. 3 is a left side view of the long spool manual mechanical locking mechanism of the cone valve of the present invention;
fig. 4 is a schematic view of the push assembly and the fixed plate of the long spool manual mechanical locking mechanism of the cone valve of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1-3, the present invention relates to a long valve shaft manual mechanical locking mechanism for a cone valve, which comprises a valve housing 1, a bracket 2 and a long valve shaft 3.
And the long valve shaft 3 is parallel to the central shaft of the valve casing 1, and one end far away from the valve casing 1 is fixed with the valve sleeve of the cone valve.
Still including locking seat 4, locating pin 6 and promotion subassembly 7, wherein, locking seat 4 is including locking seat body 42 and fixed plate 41, seted up opening 401 and activity chamber 402 on the locking seat body 42, opening 401 communicates each other and center pin mutually perpendicular with activity chamber 402, long valve shaft 3 passes support 2 and stretches into in the opening 401 and along long valve shaft 3 axial sliding connection with locking seat body 42, long valve shaft 3 is when moving along with the valve barrel, can move under the direction of opening 401.
The fixing plate 41 is fixed on the locking seat body 42 and is used for closing the movable cavity 402 and limiting the positions of the pushing assembly 7 and the positioning pin 6, so as to prevent the pushing assembly 7 and the positioning pin 6 from being separated from the locking seat body 42 in the action process.
The long valve shaft 3 is provided with a locking groove 31, the positioning pin 6 is arranged in the movable cavity 402 and selectively embedded into the locking groove 31, when the positioning pin 6 enters the locking groove 31, the long valve shaft 3 is locked, otherwise, when the positioning pin 6 leaves the locking groove 31, the long valve shaft completely enters the movable cavity 402, and the long valve shaft 3 can be unlocked.
The pushing assembly 7 is rotatably connected with the fixing plate 41 and is in screw transmission connection with the positioning pin 6, and the positioning pin 6 is pushed to slide in the movable cavity 402 by the rotating action of the pushing assembly 7 on the fixing plate 41 so as to enter the locking groove 31 or leave the locking groove 31.
In a preferred embodiment, the lock seat 4 further includes at least four long bolts 43, and all the long bolts 43 fix the bracket 2 and the lock seat body 42, so that the lock seat 4 can be detached from and attached to the bracket 2, and the influence of the through hole 401 on the guiding of the long valve shaft 3 after long-term use and wear is avoided.
For the stability of being connected that improves locking seat 4 and support 2, still include constant head tank 8, its setting is in one side of support 2 with the contact of locking seat 4, and encircles in the outside of long valve axle 3, and the outside of locking seat body 42 just extends to inside with constant head tank 8 adaptation, can be when changing with installation locking seat 4 more quick location opening 401 with the position of long valve axle 3, make long valve axle 3 accomplish to insert to improve the stability of locking seat 4 installation on support 2.
As a preferred embodiment, the pushing assembly 7 includes a screw rod 71 and a sleeve 72, one end of the screw rod 71 extends into the positioning pin 6 and is in screw transmission with the positioning pin 6, the other end of the screw rod passes through the fixing plate 41 and extends to the outside of the locking seat 4 and is in a regular prism shape, the sleeve 72 is rotatably mounted on the fixing plate 41 and is fixed with the outside of the screw rod 71, the screw rod 71 is rotated by twisting the prism end of the screw rod 71 exposed outside the locking seat 4 by using a tool, so that the rotating torque is converted into a linear thrust, and the positioning pin 6 is pushed to slide in the movable cavity 402.
For the sleeve 72 that makes the setting can rotate in fixed plate 41, fixed plate 41 includes backing plate 411 and gland 412, backing plate 411 detachable fixes in the outside of locking seat body 42, gland 412 detachable fixes in the one side that locking seat body 42 was kept away from to backing plate 411, the spacing groove 413 has been seted up to one side that gland 412 supported with backing plate 411, spacing ring 73 is located the inside and rotatable of spacing groove 413, can tear open spacing ring 73, sleeve 72 and lead screw 71 through backing plate 411 and gland 412, and then pull down locating pin 6, maintain or clear up locating pin 6 and lead screw 71 junction, the convenience is changed locating pin 6 simultaneously.
Specifically, the locking seat body 42 and the fixing plate 41 are fixed by four short bolts 422, and the fixing plate 41 can be detached and detached directly by detaching the short bolts 422.
As a preferred embodiment, in order to make the accurate reliable insertion of locating pin 6 lock the groove 31, still be provided with two inclined planes 61, its setting inserts the one end that locks the groove 31 at locating pin 6, and two inclined plane 61 bilateral symmetry, the inner wall that locks the groove 31 and two inclined plane 61 adaptation for locating pin 6 is more accurate when inserting locking groove 31, and the laminating degree is higher, can reduce the wearing and tearing when locking, has better stability.
In a preferred embodiment, in order to prevent the positioning pin 6 from rotating along with the pushing assembly 7 during sliding, a flat key 9 is further provided, the flat key 9 and the positioning pin 6 are fixed relatively, a guide groove 403 is provided in the movable cavity 402, the flat key 9 is embedded in the guide groove 403 and is in sliding connection with the guide groove 403 in a direction perpendicular to the long valve shaft 3, the positioning pin 6 cannot rotate during sliding, and the stability of the action is improved.
In order to make the operator clearly recognize the different functions of the rotating direction of the pushing assembly 7, a rotation indicator 10 is further included as a preferred embodiment, which is disposed on the fixing plate 41 and located outside the pushing assembly 7 for indicating the twisting direction of the pushing assembly 7 when the operator operates.
The working principle of the embodiment is as follows: when the positioning pin 6 needs to be put into the locking device, an operator can use a tool to rotate the screw rod 71 on the pushing assembly 7, the screw rod 71 converts the rotation torque into linear thrust to drive the positioning pin 6 to move until the positioning pin is inserted into the locking groove 31 at the end part of the long valve shaft 3, and the locking action is completed, otherwise, the positioning pin 6 can be driven to leave the locking groove 31 through the screw rod 71 by reverse twisting of the rotation direction of the screw rod 71 during locking, the locking of the long valve shaft 3 is released, and the long valve shaft 3 can move in the through hole 401 after the locking of the long valve shaft 3 is released.
It should be noted that, the long valve shaft manual mechanical locking mechanism needs to be installed on two long valve shafts of the cone valve in a one-to-one correspondence manner, and operates synchronously when locking or unlocking is performed, so that damage to the cone valve caused by uneven stress on two sides is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A manual mechanical locking mechanism for a long valve shaft of a cone valve comprises a valve shell (1), a bracket (2) and the long valve shaft (3),
the bracket (2) is fixed on the valve shell (1);
a long valve shaft (3) parallel to the central axis of the valve housing (1);
the method is characterized in that: also comprises a locking seat (4), a positioning pin (6) and a pushing component (7), wherein,
the locking seat (4) comprises a locking seat body (42) and a fixing plate (41), wherein,
the locking seat body (42) is provided with a through hole (401) and a movable cavity (402), the through hole (401) and the movable cavity (402) are communicated with each other, the central axes of the through hole and the movable cavity are vertical to each other, and the long valve shaft (3) penetrates through the support (2), extends into the through hole (401) and is connected with the locking seat body (42) in a sliding mode along the axial direction of the long valve shaft (3);
the fixing plate (41) is fixed on the locking seat body (42);
a locking groove (31) is arranged on the long valve shaft (3);
the positioning pin (6) is arranged in the movable cavity (402) and is selectively embedded into the locking groove (31);
the pushing assembly (7) is rotatably connected with the fixing plate (41) and is in screw transmission connection with the positioning pin (6).
2. The long spool tapered valve manual mechanical lock mechanism of claim 1, wherein: the locking seat (4) further comprises at least four long bolts (43), and the support (2) and the locking seat body (42) are fixed by the long bolts (43).
3. The long spool manual mechanical lock mechanism of a conical valve of claim 1, wherein: also comprises a positioning groove (8), wherein,
constant head tank (8), set up in one side of support (2) and locking seat (4) contact, and encircle in the outside of long valve shaft (3), the outside of locking seat body (42) extends to the inside of constant head tank (8) and with constant head tank (8) looks adaptation.
4. The long spool manual mechanical lock mechanism of a conical valve of claim 1, wherein: the pushing assembly (7) comprises a screw rod (71) and a sleeve (72), wherein,
one end of the screw rod (71) extends to the inside of the positioning pin (6) and is in screw transmission with the positioning pin, and the other end of the screw rod penetrates through the fixing plate (41) to extend to the outside of the locking seat (4) and is in a regular prism shape;
and the sleeve (72) is rotatably arranged on the fixing plate (41) and is fixed with the outside of the screw rod (71).
5. The long spool manual mechanical lock mechanism of a conical valve of claim 4, wherein: the fixing plate (41) comprises a base plate (411) and a gland (412), the pushing assembly (7) further comprises a limiting ring (73), wherein,
a backing plate (411) detachably fixed on the outer side of the locking seat body (42);
a limit ring (73) fixed outside the sleeve (72);
the gland (412) is detachably fixed on one side, far away from the locking seat body (42), of the base plate (411), a limiting groove (413) is formed in one side, abutted to the base plate (411), of the gland (412), and the limiting ring (73) is located inside the limiting groove (413) and can rotate.
6. The long spool tapered valve manual mechanical lock mechanism of claim 5, wherein: the locking seat body (42) and the fixing plate (41) are fixed through short bolts (422).
7. The long spool manual mechanical lock mechanism of a conical valve of claim 1, wherein: the positioning pin (6) further comprises two inclined surfaces (61), wherein,
inclined plane (61), set up and insert the one end that locks groove (31) at locating pin (6), and two inclined plane (61) bilateral symmetry, the inner wall and two that lock groove (31) inclined plane (61) looks adaptation.
8. The long spool tapered valve manual mechanical lock mechanism of claim 1, wherein: also comprises a flat key (9), wherein,
the flat key (9) is fixed relative to the positioning pin (6), a guide groove (403) is formed in the movable cavity (402), and the flat key (9) is embedded into the guide groove (403) and is in sliding connection with the guide groove (403) in the direction perpendicular to the long valve shaft (3).
9. The long spool manual mechanical lock mechanism of a conical valve of claim 4, wherein: also comprises a rotation indicator (10), wherein,
and the rotation indicator (10) is arranged on the fixed plate (41) and is positioned outside the pushing assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052794.2U CN217633932U (en) | 2022-05-05 | 2022-05-05 | Manual mechanical locking mechanism for long valve shaft of conical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052794.2U CN217633932U (en) | 2022-05-05 | 2022-05-05 | Manual mechanical locking mechanism for long valve shaft of conical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217633932U true CN217633932U (en) | 2022-10-21 |
Family
ID=83651392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052794.2U Active CN217633932U (en) | 2022-05-05 | 2022-05-05 | Manual mechanical locking mechanism for long valve shaft of conical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217633932U (en) |
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2022
- 2022-05-05 CN CN202221052794.2U patent/CN217633932U/en active Active
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