CN211371418U - Ball valve with opening and closing positioning and locking device - Google Patents
Ball valve with opening and closing positioning and locking device Download PDFInfo
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- CN211371418U CN211371418U CN201922140385.2U CN201922140385U CN211371418U CN 211371418 U CN211371418 U CN 211371418U CN 201922140385 U CN201922140385 U CN 201922140385U CN 211371418 U CN211371418 U CN 211371418U
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- ball valve
- positioning locking
- valve rod
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Abstract
The utility model discloses a be provided with and open and close positioning and locking device's ball valve, include the same constitutional part with current ball valve, its characterized in that: the ball valve is also provided with an opening and closing positioning locking device, and the opening and closing positioning locking device comprises a positioning locking sheet, a spring and symmetrical opening limiting convex columns and closing limiting convex columns which are arranged on the front side and the rear side of the outer peripheral surface of the head part of a valve rod joint of the ball valve; the positioning locking piece and the spring are sleeved on the valve rod head between the top end face of the valve rod joint and the bottom face of the valve handle, the positioning locking piece is provided with a locking tongue piece and a wrench handle, the ball valve can be positioned and locked in an opening or closing state through the locking tongue piece arranged on the positioning locking piece, and when the locking is to be released, the wrench handle with the positioning locking piece is pulled upwards firstly when the valve handle of the ball valve is pulled, so that the valve handle can be unlocked and pulled to open or close the valve. The device has the advantages of convenience in operation, simple structure and low cost, and meets the use requirements of users.
Description
Technical Field
The utility model relates to a pipeline valve especially relates to a be provided with the ball valve of opening and closing positioning and locking device.
Background
Ball valves are valves commonly used in water supply and gas supply pipelines in the fields of industry, civil use and the like, and are used for controlling the circulation or the stop of fluid media in the pipelines. The general ball valve can be freely opened and closed in the using process, and in some using occasions, the opening and closing working states of the ball valve on a pipeline need to be positioned and limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, and provide a be provided with the ball valve of opening and closing positioning locking device, during the use, if will open or close the valve, as long as earlier even pull the positioning locking piece that sets up in the valve handle lower part when pulling the valve handle of ball valve, can relieve the locking to the valve handle and open or close the valve, easy operation and convenience.
The utility model adopts the technical proposal that: a ball valve with an opening and closing positioning locking device comprises a valve body, a ball valve core and a valve rod, wherein a valve cavity is arranged in the valve body, a valve rod joint is arranged on the upper side of the valve body, a left pipe joint and a right pipe joint are respectively arranged on the left side and the right side of the valve body, and the valve rod joint, the left pipe joint and the right pipe joint are respectively provided with an inner through hole communicated with the valve cavity; the ball valve core is positioned in the valve cavity, and a left sealing pair and a right sealing pair are respectively arranged between the two sides of the ball valve core and the valve cavity; the right pipe joint is internally screwed with a valve cover, and the inner port of the valve cover is tightly connected with the right sealing pair in a pressing way, so that the ball valve core and the two left and right sealing pairs are positioned and fixed in the valve cavity of the valve body; the valve rod head is tightly sleeved and connected with a valve handle through a screw, and a switch positioning sheet is arranged on one side of the bottom surface of the valve handle; the middle lower part of the valve rod is matched and connected with the inner through hole of the valve rod joint, a tenon is arranged at the tail end part of the valve rod and is matched and joggled with a tenon hole arranged on the top surface of the ball valve core, and the ball valve is opened and closed by pulling the valve handle to drive the ball valve core to rotate; the valve rod in still be equipped with two recesses on the lower part week surface, the nested sealing washer that has respectively on two recesses, its characterized in that: the ball valve is provided with an opening and closing positioning locking device, and the opening and closing positioning locking device comprises a positioning locking sheet, a spring and symmetrical opening limiting convex columns and closing limiting convex columns which are arranged on the front side and the rear side of the outer peripheral surface of the head of the valve rod connector;
the center of the positioning locking piece is provided with a sleeve hole, the shape of the sleeve hole is matched with that of the head of the valve rod, one side of the outer peripheral surface of the positioning locking piece is provided with a locking tongue piece protruding downwards, and the other side of the outer peripheral surface of the positioning locking piece is provided with a wrench handle;
the positioning locking piece and the spring are sleeved on the head of the valve rod from bottom to top, the bottom surface of the positioning locking piece is connected with the top end face of the valve rod joint, the top surface of the spring is connected with the bottom surface of the valve handle, and a sleeve hole of the positioning locking piece is connected with a shaft of the head of the valve rod in a circumferential positioning mode and in an axial sliding fit mode;
furthermore, the shape of the sleeving hole formed in the center of the positioning locking piece is that two sides of the hole are parallel, and two ends of the hole are arc-shaped.
Furthermore, the bottom surface of the valve handle connecting hole is also provided with a positioning counter bore, and the top end part of the spring is connected in the positioning counter bore in a positioning mode.
Compared with the prior art, the utility model has the advantages of: because the opening and closing positioning locking device is arranged on the ball valve body by adopting the structure, when the ball valve is used, the valve handle is locked by the positioning locking piece of the locking device under the normal state, the valve handle can not be independently pulled by hands to open or close the valve, only when the valve handle is pulled, the positioning locking piece arranged at the lower part of the valve handle is pulled firstly and jointly, the valve rod of the ball valve is unlocked by the positioning locking piece, the valve handle can be pulled to open or close the valve, and the operation is simple and convenient. Moreover, the device has the characteristics of simple structure and low cost, and meets the use requirements of users.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is an exploded perspective view of the present invention;
fig. 3 is a schematic structural view of the positioning locking piece of the present invention;
FIG. 4 is a schematic view showing the position relationship between the switch positioning plate of the valve handle and the locking tongue plate of the positioning and locking plate, and the open-position limiting projection and the close-position limiting projection arranged on the two sides of the upper part of the valve rod joint when the ball valve is in a closed state;
fig. 5 is a schematic view of the position relationship between the opening limit projection and the closing limit projection, which are arranged on the two sides of the upper part of the valve rod joint and the locking tongue piece of the switch positioning piece and the positioning locking piece of the valve handle of the ball valve in the opening state of the ball valve.
In the figure: 10. the valve comprises a valve body, 110, a valve rod connector, 120, a left pipe connector, 130, a right pipe connector, 140, an opening limiting convex column, 150, a closing limiting convex column, 20, a ball valve core, 210, a left sealing pair, 220, a right sealing pair, 30, a valve rod, 310, a sealing ring, 40, a valve cover, 50, a screw, 60, a valve handle, 610, a positioning counter bore, 620, a switch positioning sheet, 70, a spring, 80, a positioning locking sheet, 810, a sleeve hole, 820, a wrench handle, 830 and a locking tongue piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The structures, directions and position relations of the parts and components expressed by the characters of left, right, upper, middle, lower, top and bottom in the following description are all used as reference for the character expression of the positions where the drawings in the specification are placed.
As shown in fig. 1 to 5, a ball valve with an opening and closing positioning locking device comprises a valve body 10, a ball valve core 20 and a valve rod 30, wherein a valve cavity is arranged in the valve body 10, a valve rod joint 110 is arranged on the upper side of the valve body 10, a left pipe joint 120 and a right pipe joint 130 are respectively arranged on the left side and the right side of the valve body 10, and the valve rod joint 110, the left pipe joint 120 and the right pipe joint 130 are respectively provided with an inner through hole communicated with the valve cavity; the ball valve core 20 is positioned in the valve cavity, and a left sealing pair 210 and a right sealing pair 220 are respectively arranged between the two sides of the ball valve core 20 and the valve cavity; the valve cover 40 is screwed in the right pipe joint 130, and the inner port of the valve cover 40 is tightly pressed and connected with the right sealing pair 220, so that the ball valve core 20, the two left sealing pairs 210 and the right sealing pair 220 are positioned and fixed in the valve cavity of the valve body 10; the head of the valve rod 30 is tightly sleeved and connected with a valve handle 60 through a screw 50, and a switch positioning sheet 620 is arranged on one side of the bottom surface of the valve handle 60; the middle lower part of the valve rod 30 is matched and connected with the inner through hole of the valve rod joint 110, the tail end of the valve rod 30 is provided with a tenon which is matched and joggled with a mortise arranged on the top surface of the ball valve core 20, and the ball valve is opened and closed by pulling the valve handle 60 to drive the ball valve core 20 to rotate; the valve rod 30 is also provided with two grooves on the peripheral surface of the middle lower part, and the two grooves are respectively nested with a sealing ring 310, which is the prior art;
the method is characterized in that: the ball valve is provided with an opening and closing positioning locking device, and the opening and closing positioning locking device comprises a positioning locking sheet 80, a spring 70, and a symmetrical opening limiting convex column 140 and a symmetrical closing limiting convex column 150 which are arranged on the front side and the rear side of the outer peripheral surface of the head of the valve rod joint 110;
the positioning locking piece 80 is provided with a sleeve hole 810 in the center, the shape of the sleeve hole 810 is matched with the shape of the head of the valve rod 30, the sleeve hole 810 is in a shape that two sides of the hole are parallel and two ends are arc-shaped, one side of the outer peripheral surface of the positioning locking piece 80 is provided with a locking tongue piece 830 protruding downwards, and the other side of the outer peripheral surface of the positioning locking piece 80 is provided with a wrench handle 820;
the positioning locking piece 80 and the spring 70 are sleeved on the head of the valve rod 30 from bottom to top, the bottom surface of the positioning locking piece 80 is connected with the top end surface of the valve rod joint 110, the top surface of the spring 70 is connected with the bottom surface of the valve handle 60, in order to keep the spring 70 in a stable working state, in this embodiment, a positioning counter bore 610 is further arranged on the bottom end surface of the connecting hole of the valve handle 60, the top end portion of the spring 70 is positioned and connected in the positioning counter bore 610, and the sleeved hole 810 of the positioning locking piece 80 is circumferentially positioned and connected with the shaft of the head of the valve rod 30 and is in axial sliding;
the locking working state of the opening and closing positioning locking device arranged on the ball valve when the valve is opened or closed is as follows:
firstly, as shown in fig. 4, when the ball valve is in a closed state: the left side surface of a switch positioning sheet 620 arranged on the bottom surface of a valve handle 60 on the ball valve is positioned against the right side surface of a closing limit convex column 150 arranged on the outer peripheral surface of the head of the valve rod joint 110, the right side surface of a locking tongue piece 830 on the positioning locking sheet 80 is positioned against the left side surface of the closing limit convex column 150 to limit the valve rod 30 on the ball valve to rotate, and the ball valve is locked at the position of closing the valve. If the valve is to be unlocked and opened, the pulling handle 820 on the positioning locking piece 80 can be pulled to make the positioning locking piece 80 move towards the upper end of the head of the valve rod 30 against the elastic force of the spring 70, so that the locking tongue piece 830 is separated from being abutted against the left side surface of the closing limiting convex column 150, and the valve handle 60 can be pulled anticlockwise to make the valve rod 30 rotate to open the valve.
Secondly, as shown in fig. 5, when the ball valve is in an open state: the right side surface of a switch positioning sheet 620 arranged on the bottom surface of a valve handle 60 on the ball valve is positioned against the left side surface of an opening limiting convex column 140 arranged on the outer peripheral surface of the head of the valve rod joint 110, the left side surface of a locking tongue piece 830 on the positioning locking sheet 80 is positioned against the right side surface of a closing limiting convex column 150 to limit the valve rod 30 on the ball valve to rotate, and the ball valve is locked at the position where the valve is opened. If the valve is to be unlocked and closed, the pulling handle 820 on the positioning locking piece 80 can be pulled to make the positioning locking piece 80 move towards the upper end of the head of the valve rod 30 against the elastic force of the spring 70, so that the locking tongue piece 830 is separated from being abutted against the right side surface of the closing limiting convex column 150, and the valve handle 60 can be pulled clockwise to make the valve rod 30 rotate to close the valve.
The above-described embodiments of the present invention do not limit the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. A ball valve with an opening and closing positioning locking device comprises a valve body (10), a ball valve core (20) and a valve rod (30), wherein a valve cavity is formed in the valve body (10), a valve rod connector (110) is arranged on the upper side of the valve body (10), a left pipe connector (120) and a right pipe connector (130) are respectively arranged on the left side and the right side of the valve body (10), and the valve rod connector (110), the left pipe connector (120) and the right pipe connector (130) are respectively provided with an inner through hole to be communicated with the valve cavity; the ball valve core (20) is positioned in the valve cavity, and a left sealing pair (210) and a right sealing pair (220) are respectively arranged between the two sides of the ball valve core (20) and the valve cavity; a valve cover (40) is screwed in the right pipe joint (130), and the inner port of the valve cover (40) is tightly pressed and connected with the right sealing pair (220), so that the ball valve core (20), the two left sealing pairs (210) and the right sealing pair (220) are positioned and fixed in the valve cavity of the valve body (10); the head of the valve rod (30) is tightly sleeved and connected with a valve handle (60) through a screw (50), and a switch positioning sheet (620) is arranged on one side of the bottom surface of the valve handle (60); the middle lower part of the valve rod (30) is matched and connected with the inner through hole of the valve rod joint (110), a tenon is arranged at the tail end part of the valve rod (30) and is matched and joggled with a tenon hole arranged on the top surface of the ball valve core (20), and the ball valve is opened and closed by pulling the valve handle (60) to drive the ball valve core (20) to rotate; valve rod (30) well lower part week surface on still be equipped with two recesses, on two recesses respectively the nested sealing washer (310), its characterized in that: the ball valve is provided with an opening and closing positioning locking device, and the opening and closing positioning locking device comprises a positioning locking sheet (80), a spring (70) and symmetrical opening limiting convex columns (140) and closing limiting convex columns (150) which are arranged on the front side and the rear side of the outer peripheral surface of the head of the valve rod joint (110);
the center of the positioning locking piece (80) is provided with a sleeve hole (810), the shape of the sleeve hole (810) is matched with the shape of the head of the valve rod (30), one side of the outer peripheral surface of the positioning locking piece (80) is provided with a locking tongue piece (830) protruding downwards, and the other side of the outer peripheral surface of the positioning locking piece (80) is provided with a wrench handle (820);
the positioning locking piece (80) and the spring (70) are sleeved from bottom to top at the head of the valve rod (30), the bottom surface of the positioning locking piece (80) is connected with the top end face of the valve rod joint (110), the top surface of the spring (70) is connected with the bottom surface of the valve handle (60), and the sleeving hole (810) of the positioning locking piece (80) is connected with the shaft of the head of the valve rod (30) in a circumferential positioning mode and in an axial sliding fit mode.
2. A ball valve provided with an opening and closing position locking device according to claim 1, wherein: the shape of the sleeving hole (810) formed in the center of the positioning locking piece (80) is that the two sides of the hole are parallel, and the two ends of the hole are arc-shaped.
3. A ball valve provided with an opening and closing position locking device according to claim 1, wherein: the bottom end surface of the connecting hole of the valve handle (60) is also provided with a positioning counter bore (610), and the top end part of the spring (70) is positioned and connected in the positioning counter bore (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140385.2U CN211371418U (en) | 2019-12-03 | 2019-12-03 | Ball valve with opening and closing positioning and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140385.2U CN211371418U (en) | 2019-12-03 | 2019-12-03 | Ball valve with opening and closing positioning and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371418U true CN211371418U (en) | 2020-08-28 |
Family
ID=72153272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140385.2U Active CN211371418U (en) | 2019-12-03 | 2019-12-03 | Ball valve with opening and closing positioning and locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371418U (en) |
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2019
- 2019-12-03 CN CN201922140385.2U patent/CN211371418U/en active Active
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