CN211875118U

CN211875118U - Right-angle corrugated pipe stop valve with switch locking structure

Info

Publication number: CN211875118U
Application number: CN202020400045.9U
Authority: CN
Inventors: 蔡兴旺
Original assignee: Yongjia Dongxing Valve Co Ltd
Current assignee: Yongjia Dongxing Valve Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-06
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a right angle formula bellows stop valve with switch locking structure, including ending valve body, control hand wheel, locating hole and lock nut, both sides welded fastening has flange about ending the valve body, and is provided with the connection valve gap directly over ending the valve body, the outside nested connection of connection valve gap has the locking snare, and one side of locking the snare is provided with the internal thread pipe, be provided with positioning panel directly over the internal thread pipe, and the outside threaded connection of internal thread pipe has the lead screw, the control hand wheel is installed at the top that ends the valve body, and the outside threaded connection who ends the valve body has hexagon bolt, the outside through connection of control hand wheel has the valve rod, and the bottom through connection of valve rod has the valve clack. This right-angle bellows stop valve with switch locking structure adopts internal thread pipe and location panel, takes fixed knot structure with the internal thread pipe and carries out the vertical lift, and then conveniently fixes the stop valve of different length.

Description

Right-angle corrugated pipe stop valve with switch locking structure

Technical Field

The utility model relates to a stop valve technical field specifically is a right angle type bellows stop valve with switch locking structure.

Background

The stop valve is a forced sealed valve, when the liquid enters the valve through the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the design of corrugated sleeve sealing is adopted in the closing process, and the defect that the packing of the valve rod of the common valve is quick in aging and easy to leak is completely eliminated.

The switch locking structure of present right angle formula bellows sleeve valve generally fixes locking structure in the commentaries on classics outside, is difficult to according to the height of rotatory handle, adjusts locking structure's height, and it can only be fixed opening and the commentaries on classics of closing to locking structure, and the device is in the use, is difficult to seal the locking to the pump body and connection position, leads to the junction to take place easily in daily use and leaks or the corruption condition, and then shortens the life of stop valve greatly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a right angle bellows stop valve with switch locking structure to solve the switch locking structure of the present right angle bellows stop valve that proposes in the above-mentioned background art, generally fix the locking structure in the commentaries on classics outside, be difficult to according to the height of rotation, adjust the height of locking structure, and install in the use, be difficult to seal the locking to the pump body and connection position, lead to the problem of the junction easy emergence leakage or the corruption condition in daily use.

In order to achieve the purpose, the utility model provides a right-angle corrugated pipe stop valve with a switch locking structure, which comprises a stop valve body, a control hand wheel, a positioning hole and a locking nut, wherein the left side and the right side of the stop valve body are welded and fixed with connecting flanges, a connecting valve cover is arranged right above the stop valve body, the outer side of the connecting valve cover is connected with a locking ring sleeve in a nesting way, one side of the locking ring sleeve is provided with an internal thread pipe, a positioning panel is arranged right above the internal thread pipe, the outer side of the internal thread pipe is connected with a lead screw in a threaded way, the control hand wheel is arranged at the top of the stop valve body, the outer side of the stop valve body is connected with a hexagonal bolt in a threaded way, the outer side of the control hand wheel is connected with a valve rod in a penetrating way, the bottom of the valve rod, and a gland flange is connected above the sealing gasket in an embedded manner, a positioning block is connected to the outer side of the locking ring sleeve in a clamped manner, an expansion spring is fixedly welded to the outer side of the positioning block, and a rubber ring patch is fixedly welded to one side of the expansion spring.

Preferably, the internal thread pipes are symmetrically distributed about the center line of the positioning panel, the number of the internal thread pipes and the number of the screw rods are 2, and the screw rods are perpendicular to the control hand wheel.

Preferably, the control hand wheel is parallel to the positioning panel, and the positioning panel is connected with the stop valve body through a bearing.

Preferably, the corrugated sleeve is connected with the connecting valve cover through a sealing gasket, and the diameter of the connecting valve cover is larger than that of the sealing gasket.

Preferably, the rubber ring patch is integrally of an L-shaped structure, the rubber ring patch and the telescopic spring are annularly distributed in the locking ring sleeve, and the width of the locking ring sleeve is 2 times that of the rubber ring patch.

Preferably, the positioning hole, the locking nut, the screw rod, the control hand wheel and the positioning panel form a disassembly and assembly structure, the positioning hole is formed in the outer side of the control hand wheel in a penetrating mode, the screw rod penetrates through the inner portion of the positioning hole, and the locking nut is in threaded connection with the outer side of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: the right-angle type corrugated pipe stop valve with the switch locking structure,

1. the internal thread pipe and the positioning panel are adopted, the internal thread pipe is used for being taken to the fixing structure to vertically lift, so that stop valves with different lengths can be conveniently fixed, the flexibility of daily operation and disassembly is improved, the positioning panel is used for limiting the moving direction of the screw rod, and the stability of the equipment in the moving process is ensured;

2. adopt locating piece and rubber ring paster, utilize the rubber ring paster to support to press fixedly to the rubber ring of junction, and then be convenient for adjust the position of locating piece according to the diameter of valve body, promote the sealed convenience of valve body junction to it is fixed to utilize the locating piece to carry out the block to the outside of locking snare, conveniently dismantle the change to locking snare, promote the fixed convenience of valve body.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic top view of the locking ring sleeve of the present invention;

fig. 4 is a schematic view of the overlooking structure of the control hand wheel of the present invention.

In the figure: 1. a stop valve body; 2. a connecting flange; 3. connecting the valve cover; 4. a locking snare; 5. an internally threaded tube; 6. a positioning panel; 7. a screw rod; 8. a control hand wheel; 9. a hexagon bolt; 10. a valve stem; 11. a valve flap; 12. a bellows sleeve; 13. sealing gaskets; 14. a gland flange; 15. positioning blocks; 16. a tension spring; 17. sticking a rubber ring; 18. positioning holes; 19. the nut is locked.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a right-angle corrugated pipe stop valve with a switch locking structure comprises a stop valve body 1, a connecting flange 2, a connecting valve cover 3, a locking ring 4, an internal threaded pipe 5, a positioning panel 6, a screw rod 7, a control hand wheel 8, a hexagon bolt 9, a valve rod 10, a valve clack 11, a corrugated sleeve 12, a sealing gasket 13, a gland flange 14, a positioning block 15, a telescopic spring 16, a rubber ring patch 17, a positioning hole 18 and a locking nut 19, wherein the connecting flange 2 is welded and fixed on the left side and the right side of the stop valve body 1, the connecting valve cover 3 is arranged right above the stop valve body 1, the locking ring 4 is connected on the outer side of the connecting valve cover 3 in a nested manner, the internal threaded pipe 5 is arranged on one side of the locking ring 4, the positioning panel 6 is arranged right above the internal threaded pipe 5, the screw rod 7 is connected on the outer side, the outer side of the stop valve body 1 is in threaded connection with a hexagon bolt 9, the outer side of the control hand wheel 8 is in penetrating connection with a valve rod 10, the bottom of the valve rod 10 is in penetrating connection with a valve clack 11, the outer side of the valve rod 10 is in nested connection with a corrugated sleeve 12, a sealing gasket 13 is connected right above the corrugated sleeve 12, a gland flange 14 is in nested connection right above the sealing gasket 13, the outer side of the locking ring sleeve 4 is in clamping connection with a positioning block 15, the outer side of the positioning block 15 is fixedly welded with an expansion spring 16, and one side of the expansion spring 16 is fixedly welded with a rubber ring.

The internal thread pipes 5 are symmetrically distributed about the central line of the positioning panel 6, the number of the internal thread pipes 5 and the number of the screw rods 7 are 2, and the screw rods 7 are perpendicular to the control hand wheel 8, so that the connection positions of the control hand wheel 8 and the stop valve body 1 are conveniently and simultaneously locked, and the locking convenience of the stop valve body 1 is ensured.

The control hand wheel 8 is parallel to the positioning panel 6, the positioning panel 6 is connected with the stop valve body 1 through a bearing, the movement track of the screw rod 7 is limited through the positioning panel 6, and convenience in fixing and limiting of the screw rod 7 is guaranteed.

Bellows sleeve 12 is connected through seal gasket 13 with connecting valve gap 3, and connecting valve gap 3's diameter is greater than seal gasket 13's diameter, increases inside seal intensity through bellows sleeve 12, avoids the sealed condition of revealing that takes place soon of packing is ageing.

Rubber ring paster 17 wholly is "L" style of calligraphy structure, and rubber ring paster 17 is the annular with expanding spring 16 and distributes in the inside of locking snare 4 to the width of locking snare 4 is 2 times for rubber ring paster 17 width, conveniently adjusts the position of rubber ring paster 17 according to the diameter of valve body, promotes rubber ring paster 17 and fixes the convenience to the ring pad.

Locating hole 18, dead nut 19 of lock, lead screw 7, control hand wheel 8 and location panel 6 constitute and dismantle mounting structure, and the outside of control hand wheel 8 runs through and has seted up locating hole 18 to the inside of locating hole 18 runs through lead screw 7, and the outside threaded connection of lead screw 7 has dead nut 19 of lock moreover, adjusts lead screw 7's height according to the user demand, conveniently locks different open states by valve body 1.

The working principle is as follows: when the right-angle corrugated pipe stop valve with the switch locking structure is used, an operator fixes the connecting valve cover 3 on the top of the stop valve body 1 according to the graph shown in figure 1, figure 2 and figure 4, inserts the valve rod 10 into the stop valve body 1, enables the stop valve rod 10 to be in bolt connection with the valve clack 11, fixes and limits the stop valve body 1 and the connecting valve cover 3 by using the hexagon bolt 9, inserts the infusion pipelines at two sides into one side of the connecting flange 2, connects the connecting flange 2 and the pipelines by using the bolt, then holds the control hand wheel 8, drives the valve rod 10 to rotate in the corrugated sleeve 12 by using the control hand wheel 8, further adjusts the height of the valve clack 11, thereby completing the opening and closing of the stop valve body 1, then holds the internal thread pipe 5 by using the internal thread pipe 5, drives the screw rod 7 to rotate and rise by using the internal thread pipe 5, inserts the screw rod 7 into the positioning hole 18 outside the, the top of the screw rod 7 is fixedly connected with the locking nut 19;

according to the scheme shown in the figures 1 and 3, an operator holds another group of internal thread pipes 5, the internal thread pipes 5 are used for driving a screw rod 7 to rotate and descend, a positioning block 15 on the outer side of the screw rod 7 is inserted into a locking ring sleeve 4, the locking ring sleeve 4 is used for sealing connection between a stop valve body 1 and a connecting valve cover 3, a rubber ring patch 17 and the stop valve body 1 are mutually attached, a sealing ring pad is inserted into the rubber ring patch 17, the rubber ring patch 17 abuts against one side of the rubber ring pad, the phenomenon that the rubber ring pad deflects in the sealing process is avoided, the expansion spring 16 correspondingly expands and contracts according to the diameters of the stop valve body 1 and the connecting valve cover 3, and the phenomenon that external rainwater corrodes the connection position of the stop valve body 1 and the connecting valve cover 3 is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a right angle formula bellows stop valve with switch locking structure, includes stop valve body (1), control hand wheel (8), locating hole (18) and lock nut (19), its characterized in that: the stop valve is characterized in that connecting flanges (2) are fixedly welded on the left side and the right side of the stop valve body (1), a connecting valve cover (3) is arranged right above the stop valve body (1), a locking ring sleeve (4) is connected to the outer side of the connecting valve cover (3) in an embedded mode, an internal thread pipe (5) is arranged on one side of the locking ring sleeve (4), a positioning panel (6) is arranged right above the internal thread pipe (5), a lead screw (7) is connected to the outer side of the internal thread pipe (5) in a threaded mode, a control hand wheel (8) is installed on the top of the stop valve body (1), a hexagonal bolt (9) is connected to the outer side of the stop valve body (1) in a threaded mode, a valve rod (10) is connected to the outer side of the control hand wheel (8) in a penetrating mode, a valve clack (11) is connected to the bottom of the valve rod (10) in a, and a gland flange (14) is connected above the sealing gasket (13) in a nested manner, the outer side of the locking ring sleeve (4) is connected with a positioning block (15) in a clamping manner, an expansion spring (16) is fixedly welded on the outer side of the positioning block (15), and a rubber ring patch (17) is fixedly welded on one side of the expansion spring (16).

2. The right angle bellows stop valve with switch locking structure of claim 1, wherein: the internal thread pipes (5) are symmetrically distributed about the central line of the positioning panel (6), the number of the internal thread pipes (5) and the number of the screw rods (7) are 2, and the screw rods (7) are perpendicular to the control hand wheel (8).

3. The right angle bellows stop valve with switch locking structure of claim 1, wherein: the control hand wheel (8) is parallel to the positioning panel (6), and the positioning panel (6) is connected with the stop valve body (1) through a bearing.

4. The right angle bellows stop valve with switch locking structure of claim 1, wherein: the corrugated sleeve (12) is connected with the connecting valve cover (3) through a sealing gasket (13), and the diameter of the connecting valve cover (3) is larger than that of the sealing gasket (13).

5. The right angle bellows stop valve with switch locking structure of claim 1, wherein: the rubber ring patch (17) is integrally of an L-shaped structure, the rubber ring patch (17) and the extension spring (16) are annularly distributed in the locking ring sleeve (4), and the width of the locking ring sleeve (4) is 2 times of that of the rubber ring patch (17).

6. The right angle bellows stop valve with switch locking structure of claim 1, wherein: locating hole (18), lock nut (19), lead screw (7), control hand wheel (8) and locating panel (6) constitute and dismantle mounting structure, and the outside of control hand wheel (8) is run through and is seted up locating hole (18) to the inside of locating hole (18) is run through lead screw (7), and the outside threaded connection of lead screw (7) has lock nut (19) moreover.