CN111255942B - External ball valve handle fixing and limiting device - Google Patents
External ball valve handle fixing and limiting device Download PDFInfo
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- CN111255942B CN111255942B CN201911249991.6A CN201911249991A CN111255942B CN 111255942 B CN111255942 B CN 111255942B CN 201911249991 A CN201911249991 A CN 201911249991A CN 111255942 B CN111255942 B CN 111255942B
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- ball valve
- valve rod
- groove
- handle body
- handle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses an external ball valve handle fixing and limiting device which comprises a ball valve body and a handle body, wherein a square table is arranged at the upper end of the ball valve body, the top of a valve rod penetrates through the top of the square table and is connected with a cross connecting rod integrally formed with the valve rod, a connecting cylinder sleeved at the top of the valve rod is arranged at the bottom of the tail end of the handle body, the cross connecting rod is clamped in a cross clamping groove in the top of the tail end of the handle body, the tail end of the handle body penetrates through the connecting cylinder through two groups of bolts and is in threaded connection with an annular seat, a limiting mechanism is arranged in an L-shaped groove in the front of the square table, and clamping convex blocks of the limiting mechanism are clamped in a plurality of groups of clamping grooves which are arranged at equal intervals at the lower end of the annular seat. The handle body and the valve rod are firmly and stably connected and fixed; fix spacingly through stop gear to valve rod and handle body, easy operation is convenient, effectively avoids the phenomenon through handle maloperation ball valve.
Description
Technical Field
The invention relates to the field of ball valve handle fixing and limiting devices, in particular to an external ball valve handle fixing and limiting device.
Background
Ball valves are known in the 50's of the 20 th century, and are mainly used for cutting off, distributing and changing the flow direction of media in pipelines, can be closed tightly only by rotating 90 degrees and a small rotating torque, and are most suitable for being used as switches and cut-off valves. The connection between the handle of current ball valve and the valve rod is insecure, can not drive the valve rod through the handle and rotate, influences the normal use of ball valve, and can appear carelessly and touch the condition of handle carelessly, causes the handle to drive spherical case via the valve rod and rotates for the ball valve can not normal operating, for this reason, we provide a fixed stop device of external ball valve handle.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide an external ball valve handle fixing and limiting device.
In order to achieve the purpose, the invention provides an external ball valve handle fixing and limiting device which comprises a ball valve body and a handle body, the upper end of the ball valve body is provided with a square platform, a cavity in the middle of the square platform is provided with a valve rod, the top of the valve rod penetrates through the top of the square platform, and is connected with a cross connecting rod which is integrally formed with the valve rod, the upper part of the valve rod is connected with an annular seat which is integrally formed with the valve rod, the bottom of the tail end of the handle body is provided with a connecting cylinder sleeved on the top of the valve rod, the cross-shaped connecting rod is clamped in a cross-shaped clamping groove at the top of the tail end of the handle body, the tail end of the handle body penetrates through the connecting cylinder through two groups of bolts, and the spiro union is in annular seat, be equipped with stop gear in the anterior L type recess of square platform, the protruding piece joint of stop gear is in the joint inslot that a plurality of groups equidistance of annular seat lower extreme set up.
Preferably, the bottom of the valve rod is connected with a spherical valve core positioned in a spherical cavity inside the ball valve body.
Preferably, the left and right sides of the ball valve body are respectively provided with a water inlet pipe and a water outlet pipe which are integrally formed with the ball valve body, and the water inlet pipe and the water outlet pipe are both communicated with the spherical cavity inside the ball valve body.
Preferably, an upper group of bearings and a lower group of bearings are arranged in the cavity in the middle of the square table, and the two groups of bearings are sequentially penetrated through the top of the valve rod.
Preferably, L type recess is including the horizontal groove that is located the anterior upper end of square platform and connecting in the vertical groove of horizontal groove front end bottom, stop gear is including connecting in the vertical inslot vertical board and setting up the horizontal plate in the horizontal groove, the protruding piece of joint is connected in the upper end of horizontal plate.
Preferably, the connecting convex block in the middle of the front end of the horizontal plate is movably connected in the notch in the top of the vertical plate through a pin shaft.
Preferably, the upper and lower two groups of inserting pin rods at the rear part of the vertical plate are sleeved with springs and then are respectively inserted into the pin rod holes in the vertical groove, and the screw at the middle part of the vertical plate is in threaded connection with the threaded hole in the vertical groove.
Preferably, the sliding connection bulges on the left side and the right side of the horizontal plate are respectively in sliding connection with the inclined sliding grooves on the two side walls of the horizontal groove, and the height of the front part of each inclined sliding groove is lower than that of the rear part of each inclined sliding groove.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cross connecting rod is clamped in the cross clamping groove at the top of the tail end of the handle body, the upper part of the valve rod is connected with the annular seat which is integrally formed with the cross connecting rod, and the tail end of the handle body penetrates through the connecting cylinder through two groups of bolts and is in threaded connection with the annular seat, so that the handle body and the valve rod are firmly and stably connected and fixed;
when the valve rod and the handle body need to be rotated, only the screw needs to be loosened, the vertical plate is far away from the vertical groove outwards under the elastic force action of the spring, the vertical plate drives the horizontal plate to move forwards, when the horizontal plate moves forwards, the height of the horizontal plate can be reduced, the clamping convex block at the upper end of the horizontal plate can be separated from the clamping groove at the lower end of the annular seat, and then the valve rod can be rotated through the handle body;
after the valve rod rotates, the valve rod and the handle body need to be positioned, when the valve rod is prevented from rotating, the vertical plate is locked through the screw, so that the vertical plate is tightly attached to the vertical groove, the spring is in a compressed state, the vertical plate drives the horizontal plate to move backwards, as the sliding connection bulges at the left side and the right side of the horizontal plate are respectively in sliding connection with the inclined sliding grooves on the two side walls of the horizontal groove, and the front part of each inclined sliding groove is lower than the rear part of each inclined sliding groove, the height of the horizontal plate is raised when the horizontal plate moves backwards, so that the clamping convex block at the upper end of the horizontal plate can be tightly clamped in the clamping groove at the lower end of the annular seat, and the valve rod and the handle body are positioned through the annular seat;
Fix spacingly through stop gear to valve rod and handle body, easy operation is convenient, is convenient for spacing fixed of valve rod and handle body, effectively avoids the phenomenon through handle maloperation ball valve.
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 following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a connection and disassembly structure of a handle body, a limiting mechanism, a square table and a valve rod of an external ball valve handle fixing and limiting device provided in an embodiment of the present invention;
fig. 2 is an enlarged structural schematic view of a position a in fig. 1 of an external ball valve handle fixing and limiting device provided in an embodiment of the present invention;
fig. 3 is an exploded schematic structural view of a limiting mechanism of an external ball valve handle fixing and limiting device according to an embodiment of the present invention;
fig. 4 is a schematic side sectional structure view of an external ball valve handle fixing and limiting device provided in an embodiment of the present invention.
The reference numbers illustrate:
1 ball valve body, 2 inlet tubes, 3 outlet pipes, 4 square platforms, 5 valve rods, 6 annular seats, 7 joint grooves, 8 cross connecting rods, 9 connecting cylinders, 10 cross clamping grooves, 11 handle bodies, 12 bolts, 13 vertical grooves, 14 pin rod holes, 15 threaded holes, 16 horizontal grooves, 17 inclined sliding grooves, 18 vertical plates, 19 screws, 20 gaps, 21 pin shafts, 22 connecting convex blocks, 23 horizontal plates, 24 joint convex blocks, 25 sliding connection protrusions, 26 springs, 27 inserting pin rods, 28 spherical valve cores, 29 bearings and 30 limiting mechanisms.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the embodiment of the invention, referring to fig. 1-4, an external ball valve handle fixing and limiting device comprises a ball valve body 1 and a handle body 11, wherein a square table 4 is arranged at the upper end of the ball valve body 1, a valve rod 5 is arranged in a cavity in the middle of the square table 4, the top of the valve rod 5 penetrates through the top of the square table 4 and is connected with a cross connecting rod 8 integrally formed with the valve rod, the upper part of the valve rod 5 is connected with an annular seat 6 integrally formed with the valve rod, a connecting cylinder 9 sleeved on the top of the valve rod 5 is arranged at the bottom of the tail end of the handle body 11, the cross connecting rod 8 is clamped in a cross clamping groove 10 in the top of the tail end of the handle body 11, the tail end of the handle body 11 penetrates through the connecting cylinder 9 through two groups of bolts 12 and is in threaded connection with the annular seat 6, a limiting mechanism 30 is arranged in an L-shaped groove in the front of the square table 4, and clamping convex blocks 24 of the limiting mechanism 30 are clamped in a plurality of clamping grooves 7 equidistantly arranged at the lower end of the annular seat 6 .
Further, the bottom of the valve rod 5 is connected with a spherical valve core 28 positioned in a spherical cavity inside the ball valve body 1.
Further, the left and right sides of ball valve body 1 is equipped with rather than integrated into one piece's inlet tube 2 and outlet pipe 3 respectively, inlet tube 2 and outlet pipe 3 all communicate in the spherical cavity of ball valve body 1 inside.
Furthermore, an upper group of bearings 29 and a lower group of bearings 29 are arranged in a cavity in the middle of the square table 4, and the top of the valve rod 5 sequentially penetrates through the two groups of bearings 29.
Further, L type recess is including being located the horizontal groove 16 of the anterior upper end of square platform 4 and connecting in the vertical groove 13 of the horizontal groove 16 front end bottom, stop gear 30 is including connecting in the vertical board 18 of vertical inslot 13 and setting up the horizontal plate 23 in horizontal groove 16, the protruding piece 24 of joint is connected in the upper end of horizontal plate 23.
Furthermore, a connecting convex block 22 at the middle part of the front end of the horizontal plate 23 is movably connected in the notch 20 at the top of the vertical plate 18 through a pin 21.
Furthermore, the upper and lower groups of plug pins 27 at the rear part of the vertical plate 18 are sleeved with springs 26 and then inserted into the pin holes 14 in the vertical groove 13, and the screw 19 at the middle part of the vertical plate 18 is screwed in the threaded hole 15 in the vertical groove 13.
Furthermore, the sliding connection protrusions 25 on the left and right sides of the horizontal plate 23 are respectively in sliding connection with the inclined sliding chutes 17 on the two side walls of the horizontal groove 16, and the front height of the inclined sliding chute 17 is lower than the rear height thereof.
The working principle is as follows: because the cross connecting rod 8 is clamped in the cross clamping groove 10 at the top of the tail end of the handle body 11, the upper part of the valve rod 5 is connected with the annular seat 6 which is integrally formed with the valve rod, and the tail end of the handle body 11 penetrates through the connecting cylinder 9 through two groups of bolts 12 and is in threaded connection with the annular seat 6, the connection and fixation of the handle body 11 and the valve rod 5 are firm and stable, the valve rod 5 and the spherical valve core 28 at the bottom of the valve rod 5 can be smoothly driven to rotate when the handle body 11 is rotated, and the water inlet pipe 2 and the water outlet pipe 3 are adjusted to be communicated or not through the rotation of the spherical valve core 28;
when the valve rod 5 and the handle body 11 need to be rotated, only the screw 19 needs to be loosened, the vertical plate 18 is far away from the vertical groove 13 outwards under the action of the elastic force of the spring 26, at the moment, the vertical plate 18 drives the horizontal plate 23 to move forwards, when the horizontal plate 23 moves forwards, the horizontal plate 23 can be lowered in height, at the moment, the clamping convex block 24 at the upper end of the horizontal plate can be separated from the clamping groove 7 at the lower end of the annular seat 6, and then the valve rod 5 can be rotated through the handle body 11;
After the valve rod 5 rotates, the valve rod 5 and the handle body 11 need to be positioned, when the valve rod 5 and the handle body 11 are prevented from rotating, the vertical plate 18 is locked through the screw 19, the vertical plate 18 is tightly attached to the vertical groove 13, the spring 26 is in a compressed state at the moment, the vertical plate 18 drives the horizontal plate 23 to move backwards, as the sliding connection bulges 25 on the left side and the right side of the horizontal plate 23 are respectively in sliding connection with the inclined sliding grooves 17 on the two side walls of the horizontal groove 16, the front height of the inclined sliding grooves 17 is lower than the rear height of the inclined sliding grooves 17, when the horizontal plate 23 moves backwards, the horizontal plate 23 is lifted, the clamping bulge blocks 24 on the upper end of the horizontal plate can be tightly clamped in the clamping grooves 7 on the lower end of the annular seat 6, and the positioning of the valve rod 5 and the handle body 11 is completed through the annular seat 6.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (4)
1. The utility model provides an external ball valve handle fixing and limiting device, includes ball valve body (1) and handle body (11), its characterized in that, the upper end of ball valve body (1) is equipped with square platform (4), the cavity at square platform (4) middle part is equipped with valve rod (5), the top of valve rod (5) runs through the top that stretches out square platform (4) and is connected with rather than integrated into one piece's cross connecting rod (8), valve rod (5) upper portion is connected with rather than integrated into one piece's annular seat (6), the terminal bottom of handle body (11) is equipped with connecting cylinder (9) of cover at valve rod (5) top, cross connecting rod (8) card is in cross draw-in groove (10) at the terminal top of handle body (11), the terminal of handle body (11) runs through connecting cylinder (9) through two sets of bolts (12) to the spiro union is in annular seat (6), a limiting mechanism (30) is arranged in an L-shaped groove in the front of the square table (4), and clamping convex blocks (24) of the limiting mechanism (30) are clamped in a plurality of groups of clamping grooves (7) which are arranged at equal intervals at the lower end of the annular base (6);
The L-shaped groove comprises a horizontal groove (16) positioned at the upper end of the front part of the square table (4) and a vertical groove (13) connected to the bottom of the front end of the horizontal groove (16), the limiting mechanism (30) comprises a vertical plate (18) connected in the vertical groove (13) and a horizontal plate (23) arranged in the horizontal groove (16), and the clamping convex block (24) is connected to the upper end of the horizontal plate (23);
the connecting convex block (22) in the middle of the front end of the horizontal plate (23) is movably connected in the notch (20) at the top of the vertical plate (18) through a pin shaft (21);
the upper and lower groups of plug-in pin rods (27) at the rear part of the vertical plate (18) are sleeved with springs (26) and then are respectively inserted into pin rod holes (14) in the vertical groove (13), and a screw (19) in the middle part of the vertical plate (18) is screwed in a threaded hole (15) in the vertical groove (13);
the sliding connection bulges (25) on the left side and the right side of the horizontal plate (23) are respectively in sliding connection with the inclined sliding chutes (17) on the two side walls of the horizontal groove (16), and the front part of each inclined sliding chute (17) is lower than the rear part of the inclined sliding chute.
2. An external ball valve handle fixing and limiting device as defined in claim 1, wherein the bottom of the valve rod (5) is connected with a spherical valve core (28) positioned in a spherical cavity inside the ball valve body (1).
3. An external ball valve handle fixing and limiting device as defined in claim 1, wherein the left and right sides of the ball valve body (1) are respectively provided with a water inlet pipe (2) and a water outlet pipe (3) integrally formed therewith, and the water inlet pipe (2) and the water outlet pipe (3) are both communicated with the spherical cavity inside the ball valve body (1).
4. An external ball valve handle fixing and limiting device as defined in claim 1, wherein an upper set of bearings (29) and a lower set of bearings (29) are arranged in the cavity in the middle of the square platform (4), and the top of the valve rod (5) penetrates through the two sets of bearings (29) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249991.6A CN111255942B (en) | 2019-12-09 | 2019-12-09 | External ball valve handle fixing and limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249991.6A CN111255942B (en) | 2019-12-09 | 2019-12-09 | External ball valve handle fixing and limiting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255942A CN111255942A (en) | 2020-06-09 |
| CN111255942B true CN111255942B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249991.6A Active CN111255942B (en) | 2019-12-09 | 2019-12-09 | External ball valve handle fixing and limiting device |
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| CN (1) | CN111255942B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2937617A1 (en) * | 1979-09-18 | 1981-04-02 | Metallwerk Louis Gäbler GmbH & Co KG, 3150 Peine | Gas cock with tamperproof locking device - has hollow screw plug containing spring loaded pin to lock into hole in tapered plug |
| CN201293117Y (en) * | 2008-10-28 | 2009-08-19 | 宁波志清实业有限公司 | Anti-dismantling ball-valve |
| CN103775730A (en) * | 2014-01-21 | 2014-05-07 | 张家港富瑞特种装备股份有限公司 | Positioning and locking device for ball valve |
| CN103939665A (en) * | 2014-04-03 | 2014-07-23 | 应建忠 | Self-locking valve of tank bottom of oil tank truck |
| CN105864448A (en) * | 2016-05-24 | 2016-08-17 | 重庆市山城燃气设备有限公司 | Lock control non-return joint ball valve |
| CN107606222A (en) * | 2017-11-09 | 2018-01-19 | 张克勤 | Theft-proof gas ball valve |
-
2019
- 2019-12-09 CN CN201911249991.6A patent/CN111255942B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2937617A1 (en) * | 1979-09-18 | 1981-04-02 | Metallwerk Louis Gäbler GmbH & Co KG, 3150 Peine | Gas cock with tamperproof locking device - has hollow screw plug containing spring loaded pin to lock into hole in tapered plug |
| CN201293117Y (en) * | 2008-10-28 | 2009-08-19 | 宁波志清实业有限公司 | Anti-dismantling ball-valve |
| CN103775730A (en) * | 2014-01-21 | 2014-05-07 | 张家港富瑞特种装备股份有限公司 | Positioning and locking device for ball valve |
| CN103939665A (en) * | 2014-04-03 | 2014-07-23 | 应建忠 | Self-locking valve of tank bottom of oil tank truck |
| CN105864448A (en) * | 2016-05-24 | 2016-08-17 | 重庆市山城燃气设备有限公司 | Lock control non-return joint ball valve |
| CN107606222A (en) * | 2017-11-09 | 2018-01-19 | 张克勤 | Theft-proof gas ball valve |
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| Publication number | Publication date |
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| CN111255942A (en) | 2020-06-09 |
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