CN220320425U - Two-piece type internal thread ball valve - Google Patents

Abstract

The utility model discloses a two-piece type internal thread ball valve, which comprises a valve body, wherein the top end of the valve body is provided with a valve rod, a handle is connected to the valve rod, a connecting seat is arranged outside the joint of the valve rod and the valve body, a transverse bar is fixed on one side of the connecting seat, a support block with an L-shaped structure is fixed on one side of the handle, an inserting rod is inserted into the interior of the transverse portion of the support block in a sliding manner, an annular block is fixedly sleeved outside the inserting rod, an annular groove matched with the annular block structure is arranged inside the transverse portion of the support block, a spring is connected between the top of the annular block and the top inner wall of the annular groove, and an inserting hole matched with the bottom end structure of the inserting rod is arranged inside the top end of the transverse bar. The two-piece type internal thread ball valve can play a role in limiting and locking the handle, and prevent a worker from touching the handle by mistake in the operation process to cause abnormal opening and closing of the valve, so that the tightness and the safety of the valve in use are ensured.

Description

Two-piece type internal thread ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a two-piece type internal thread ball valve.

Background

The ball valve consists of a valve body and a valve cover, and is called as two-piece type, wherein one-piece type is integrally formed, the two-piece type ball valve improves the one-piece type valve, has small flow, is easy to leak, increases a gland and prevents leakage. The ball valve has the main characteristics of compact structure, easy operation and maintenance, suitability for common working mediums such as water, solvents, acid, natural gas and the like, and also suitable for mediums with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like. The ball valve body can be integral or combined.

When the existing two-piece type internal thread ball valve is used, a certain torque is applied to the upper end of a valve rod by a handle and is transmitted to a ball body, the ball body is rotated by 90 degrees to realize the full-open or half-open state of the valve body, but due to the fact that a worker easily touches the handle by mistake in the operation process, the valve is opened and closed abnormally, and therefore unnecessary resource waste is generated or potential safety hazards are brought.

Disclosure of Invention

The utility model aims to provide a two-piece type internal thread ball valve, which solves the problems that the existing two-piece type internal thread ball valve provided by the background technology lacks a mechanism for limiting and locking a handle, so that a worker easily touches the handle by mistake in the operation process, the valve is abnormally opened and closed, and unnecessary resource waste is generated or potential safety hazards are brought.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two formula internal thread ball valves, includes the valve body, the top of valve body is equipped with the valve rod, be connected with the handle on the valve rod, the outside of valve rod and valve body junction is equipped with the connecting seat, one side of connecting seat is fixed with the diaphragm, just one side of handle is fixed with the piece that is "L" shape structure, the inside slip of the inside of a lateral part of piece alternates there is the inserted bar, the outside fixed ring-shaped block that has cup jointed of inserted bar, the inside of a lateral part of piece is equipped with the ring channel with ring-shaped block structure matched with, be connected with the spring between the top of ring-shaped block and the top inner wall of ring channel, and the inside on diaphragm top is equipped with the jack identical with the structure of inserted bar bottom, the jack inside on diaphragm top corresponds with the position of inserted bar.

Preferably, the spring is also sleeved outside the inserted link, and the width of the spring is smaller than the inner diameter width of the annular groove.

Preferably, the outside of inserted bar bottom encircles and is fixed with a plurality of elasticity fixture block, just encircle on the inside jack inner wall in horizontal strip top and be equipped with a plurality of draw-in groove that coincides with elasticity fixture block structure.

Preferably, the inner wall of the vertical part of the supporting block is provided with a pressing block, and the inner side of the top end of the pressing block is connected with the inner wall of the vertical part of the supporting block through a rotating shaft.

Preferably, threaded interfaces are fixed on two sides of the valve body, and arc-shaped blocks are arranged outside the upper side and the lower side of the threaded interfaces.

Preferably, the middle of the inside of the arc-shaped block is provided with an elastic telescopic section, and the arc-shaped block is symmetrically distributed on the upper side and the lower side of the threaded interface.

Compared with the prior art, the utility model has the beneficial effects that: the two-piece type internal thread ball valve can play a role in limiting and locking the handle, and prevent a worker from touching the handle by mistake in the operation process to cause abnormal opening and closing of the valve, so that the tightness and the safety of the valve in use are ensured. When the handle of the two-piece type internal thread ball valve rotates to an initial state at the top of the valve body through the valve rod and the positions of the supporting blocks and the cross bars correspond to each other, the inserted link can be firmly inserted into the cross bars through the internal movement of the supporting blocks, and the top end of the inserted link is reinforced by pressing the pressing block, so that the inserted link and the supporting blocks are quickly connected to play a role in limiting and locking the handle.

Drawings

FIG. 1 is a schematic diagram of a two-piece internally threaded ball valve according to the present utility model;

FIG. 2 is a schematic diagram of the connection structure of a support block and a cross bar of a two-piece type internal thread ball valve;

fig. 3 is a schematic side view of a valve body of a two-piece internally threaded ball valve according to the present utility model.

In the figure: 1. a valve body; 2. a valve stem; 3. a handle; 4. a support block; 5. a rod; 6. a cross bar; 7. a connecting seat; 8. a threaded interface; 9. an arc-shaped block; 10. briquetting; 11. a spring; 12. an annular groove; 13. an annular block; 14. an elastic clamping block; 15. and an elastic expansion section.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a two-piece internal thread ball valve comprises a valve body 1, a valve rod 2 is arranged at the top end of the valve body 1, a handle 3 is connected on the valve rod 2, a connecting seat 7 is arranged outside the joint of the valve rod 2 and the valve body 1, a transverse bar 6 is fixed on one side of the connecting seat 7, a support block 4 with an L-shaped structure is fixed on one side of the handle 3, a plug rod 5 is inserted in the transverse part of the support block 4 in a sliding way, an annular block 13 is fixedly sleeved outside the plug rod 5, an annular groove 12 matched with the annular block 13 in structure is arranged in the transverse part of the support block 4, a spring 11 is connected between the top of the annular block 13 and the top inner wall of the annular groove 12, an inserting hole matched with the bottom end structure of the plug rod 5 is arranged in the top end of the transverse bar 6, the inserting hole in the top end of the transverse bar 6 corresponds to the position of the plug rod 5, the handle 3 with the structure rotates to an initial state at the top of the valve body 1 through the valve rod 2 and enables the support block 4 to correspond to the position of the transverse bar 6, the inserted link 5 can insert the bottom into the jack in the top of the horizontal bar 6 through the internal movement of the supporting block 4, meanwhile, the inserted link 5 can drive the annular block 13 to slide along the inside of the annular groove 12 to squeeze the spring 11 when the internal movement of the supporting block 4, at this moment, the inserted link 5 can be firmly clamped into the jack in the top of the horizontal bar 6 under the elastic force of the spring 11, thereby playing the role of limiting and locking the handle 3, avoiding unnecessary resource waste or potential safety hazard caused by abnormal opening and closing of the valve body 1 when the operator touches the handle 3 in the operation process, further ensuring the tightness and safety of the valve body 1, the spring 11 is also sleeved outside the inserted link 5, and the width of the spring 11 is smaller than the inner diameter width of the annular groove 12, the spring 11 of the structure can compress when the inserting rod 5 moves upwards in the supporting block 4, so that the inserting rod 5 is subjected to a certain tensile force, a plurality of elastic clamping blocks 14 are fixedly arranged on the outer periphery of the bottom end of the inserting rod 5 in a surrounding manner, the elastic clamping blocks 14 are made of elastic rubber materials, a plurality of clamping grooves which are matched with the structure of the elastic clamping blocks 14 are formed in the inner wall of the jack in the top end of the horizontal bar 6 in a surrounding manner, when the bottom end of the inserting rod 5 is inserted into the jack in the top end of the horizontal bar 6, the elastic clamping blocks 14 can be synchronously driven to be extruded into the clamping grooves in the inner wall of the jack in the top end of the horizontal bar 6, the inserting rod 5 can be more firmly connected with the horizontal bar 6, the stability of limiting locking of the handle 3 is improved, a pressing block 10 is arranged on the inner wall of the vertical portion of the supporting block 4, the inner side of the top end of the pressing block 10 is connected with the inner wall of the vertical portion of the supporting block 4 through a rotating shaft, the pressing block 10 with the structure can press the bottom end against the top end of the inserted rod 5 by rotating on the supporting block 4, so as to play a role in reinforcing the inserted rod 5 when being fixed, further improve the connection stability of the inserted rod 5 and the transverse bar 6, the threaded interfaces 8 are fixed on both sides of the valve body 1, the arc blocks 9 are arranged on the outer parts of the upper side and the lower side of the threaded interfaces 8, the elastic expansion sections 15 are arranged in the middle of the inner parts of the arc blocks 9, the elastic expansion sections 15 are made of elastic rubber materials, the arc blocks 9 are symmetrically distributed on the upper side and the lower side of the threaded interfaces 8, when the valve body 1 is connected with an external pipeline through the threaded interfaces 8 on both sides, the arc blocks 9 can stretch out and draw back with a certain amplitude under the elastic force of the elastic expansion sections 15, so as to be attached to the outer walls of the upper side and the lower side of the joint of the threaded interfaces 8 and the external pipeline, this improves the tightness of the connection of the nipple 8 to the external pipe.

Working principle: when the two-piece type internal thread ball valve is used, firstly, when the handle 3 rotates to an initial state at the top of the valve body 1 through the valve rod 2 and enables the supporting block 4 to correspond to the position of the transverse bar 6, an operator pulls the inserting rod 5 upwards in the transverse portion of the supporting block 4, the inserting rod 5 synchronously drives the annular block 13 to slide along the inner portion of the annular groove 12 and extrude the spring 11 when moving, after the inserting rod 5 is loosened, the inserting rod 5 can be firmly clamped into the jack in the top end of the transverse bar 6 under the elastic acting force of the spring 11, the inserting rod 5 synchronously drives the elastic clamping block 14 to extrude into the clamping groove in the inner wall of the jack in the top end of the transverse bar 6 in the inserting process, at this time, the inserting rod 5 can be quickly connected with the transverse bar 6, so as to play a limiting locking role on the handle 3, meanwhile, the operator can also rotate the pressing block 10 on the supporting block 4, the bottom end of the pressing block 10 is pressed on the top end of the inserting rod 5, the inserting rod 5 can be reinforced in the fixing process, when the inserting rod 1 is connected with an external pipeline through the threaded interface 8 on two sides, the external pipeline 8 can be firmly clamped into the jack in the inner side of the top of the transverse bar 6, the jack 9 can be tightly connected with the external pipeline 8 through the threaded interface 8, the threaded interface 9 can be tightly connected with the external pipeline 8, and the external pipeline can be tightly connected with the external pipeline 8 through the threaded interface 9, and the external pipeline can be tightly connected with the external pipeline 8 can be tightly connected with the external pipeline 8 can be tightly connected with the external pipeline 4.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a two formula internal thread ball valves, includes valve body (1), the top of valve body (1) is equipped with valve rod (2), be connected with handle (3), its characterized in that on valve rod (2): the valve rod (2) is equipped with connecting seat (7) with the outside of valve body (1) junction, one side of connecting seat (7) is fixed with horizontal bar (6), just one side of handle (3) is fixed with branch piece (4) for "L" shape structure, the inside slip of the inside of branch piece (4) horizontal part is interlude has inserted bar (5), the outside of inserted bar (5) is fixed to cup joint annular block (13), the inside of branch piece (4) horizontal part is equipped with annular groove (12) with annular block (13) structure matched with, be connected with spring (11) between the top of annular block (13) and the top inner wall of annular groove (12), and the inside of horizontal bar (6) top is equipped with the jack identical with the bottom structure of inserted bar (5), the inside jack in horizontal bar (6) top corresponds with the position of inserted bar (5).

2. The two-piece internally threaded ball valve according to claim 1, wherein: the spring (11) is also sleeved outside the inserted link (5), and the width of the spring (11) is smaller than the inner diameter width of the annular groove (12).

3. The two-piece internally threaded ball valve according to claim 1, wherein: the outside of inserted bar (5) bottom encircles and is fixed with a plurality of elasticity fixture block (14), just encircle on the jack inner wall of horizontal bar (6) top inside and be equipped with a plurality of draw-in groove that coincide with elasticity fixture block (14) structure.

4. The two-piece internally threaded ball valve according to claim 1, wherein: the inner wall of the vertical part of the supporting block (4) is provided with a pressing block (10), and the inner side of the top end of the pressing block (10) is connected with the inner wall of the vertical part of the supporting block (4) through a rotating shaft.

5. The two-piece internally threaded ball valve according to claim 1, wherein: screw interfaces (8) are fixed on two sides of the valve body (1), and arc-shaped blocks (9) are arranged outside the upper side and the lower side of the screw interfaces (8).

6. The two-piece internally threaded ball valve as in claim 5, wherein: the middle of the inside of the arc-shaped block (9) is provided with an elastic telescopic section (15), and the arc-shaped block (9) is symmetrically distributed on the upper side and the lower side of the threaded interface (8).