CN211599608U

CN211599608U - Prevent manual ball valve of jam

Info

Publication number: CN211599608U
Application number: CN202020144716.XU
Authority: CN
Inventors: 张敏; 寇永梅; 孙月明; 刘荣; 王新; 张丽
Original assignee: Tianjin Tangvalve Jinbaili Valve Co ltd
Current assignee: Tianjin Tangvalve Jinbaili Valve Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-09-29
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a prevent manual ball valve of jam, including valve body, case, positioning mechanism and fixed establishment, the fixed welding of valve body left end has first connecting pipe, the fixed welding of valve body right-hand member has the second connecting pipe, first connecting pipe left end fixedly connected with collar, collar circumference outer wall all is provided with fixed establishment all around, the inside case that is provided with of valve body, the case both ends all are provided with the case sealing washer, valve body top center department is equipped with the protrusion opening that has sealed lid, seals to cover and is provided with the transmission shaft, transmission shaft top fixedly connected with connecting rod, the transmission shaft bottom runs through sealed top to inside extending to the valve body, and fixedly connected with connecting axle, connecting rod bottom one side is provided with positioning mechanism. This prevent manual ball valve of jam, simple structure, the practicality is strong.

Description

Prevent manual ball valve of jam

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to prevent manual ball valve of jam.

Background

A ball valve, also called a closure member (ball), is driven by a valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves; current ball valve uses the bolt to be connected with other output pipeline in the use, most cases, and the installation is more loaded down with trivial details, uses bolted connection to also reduce the use precision degree of ball valve and the convenience when output pipeline installs simultaneously, has reduced the life of ball valve.

Therefore, in order to meet the current situation, the design and production of a manual ball valve for preventing blockage are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent manual ball valve of jam to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent manual ball valve of jam, includes valve body, case, positioning mechanism and fixed establishment, the fixed welding of valve body left end has first connecting pipe, the fixed welding of valve body right-hand member has the second connecting pipe, first connecting pipe left end fixedly connected with collar, collar circumference outer wall all is provided with fixed establishment all around, the inside case that is provided with of valve body, the case both ends all are provided with the case sealing washer, valve body top center department is equipped with the protrusion opening that has sealed lid, is provided with the transmission shaft on the sealed lid, transmission shaft top fixedly connected with connecting rod, the transmission shaft bottom runs through the sealed lid top to extend to inside the valve body, and fixedly connected with connecting axle, connecting rod bottom one side is provided with positioning mechanism.

Preferably, be provided with the filter screen between the inside upper and lower jade of first connecting pipe, equal fixed welding has the cushion on the inside upper and lower jade of second connecting pipe, and is two sets of fixedly connected with prevents the backflow sealing washer between the cushion, prevents the backflow fixture block from being installed to the inboard of preventing the backflow sealing washer, prevent backflow fixture block right-hand member fixedly connected with compression spring, the fixed welding of compression spring other end has the spring holder.

Preferably, positioning mechanism includes solid fixed cylinder, carousel and threaded rod, the solid fixed welding of connecting rod bottom one side has solid fixed cylinder, gu the internal thread of fixed cylinder is connected with the threaded rod, the threaded rod bottom runs through solid fixed cylinder bottom to extend to solid fixed cylinder below, and fixed welding has the locating piece, gu fixed welding has the carousel on the threaded rod circumference outer wall, the locating hole that suits with the locating piece is seted up on sealing cap top right side.

Preferably, fixed establishment includes turning block, sleeve pipe and screw rod, the mounting hole has all been seted up all around to collar circumference outer wall, and the inside fixed welding of mounting hole has the sleeve pipe, the inside threaded connection of sleeve pipe has the screw rod, screw rod one end extends to the collar outside, and fixed welding has the turning block, the screw rod other end extends to inside the collar, and fixed welding has the fixed block, the fixed block is kept away from screw rod one end and is bonded there is the rubber pad.

Preferably, the other end of the connecting rod is fixedly welded with a handle, and the outer wall of the circumference of the handle is sleeved with an anti-slip pad.

The utility model discloses a technological effect and advantage: according to the manual ball valve capable of preventing blockage, the four groups of rotating blocks are rotated through the arranged fixing mechanism, and the rotating blocks drive the fixing blocks to abut against the outer wall of the output pipeline through the screw rod, so that the precision degree of the ball valve and the convenience in installation of the output pipeline are improved; through the arranged positioning mechanism, the turntable is rotated to drive the positioning block on the threaded rod to be matched and connected with the positioning hole on the sealing cover, so that the connecting rod is locked, and the connecting rod is prevented from rotating due to external collision; the backflow prevention clamping block in the second connecting pipe is of a conical structure, the size of the backflow prevention clamping block is matched with that of the cushion block, the one-way passing performance of liquid in the valve body can be guaranteed, the conical structure is favorable for reducing resistance in the passing direction, increasing pressure in the backflow direction and guaranteeing one-way passing of the liquid; this prevent manual ball valve of jam, simple structure, the practicality is strong.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a side view of the mounting ring of the present invention;

fig. 3 is a schematic structural diagram of the positioning mechanism of the present invention.

In the figure: the valve comprises a valve body 1, a first connecting pipe 2, a second connecting pipe 3, a positioning mechanism 4, a fixed cylinder 41, a rotary table 42, a threaded rod 43, a fixed mechanism 5, a rotating block 51, a sleeve 52, a screw 53, a fixed block 54, a transmission shaft 6, a connecting shaft 7, a connecting rod 8, a handle 9, a valve core sealing ring 10, a filter screen 11, a cushion block 12, a backflow prevention clamping block 13, a spring seat 14, a mounting ring 15 and a valve core 16.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a manual ball valve for preventing blockage as shown in figures 1-3, which comprises a valve body 1, a valve core 16, a positioning mechanism 4 and a fixing mechanism 5, wherein a first connecting pipe 2 is fixedly welded at the left end of the valve body 1, a second connecting pipe 3 is fixedly welded at the right end of the valve body 1, a mounting ring 15 is fixedly connected at the left end of the first connecting pipe 2, the fixing mechanism 5 is arranged around the circumferential outer wall of the mounting ring 15, the valve core 16 is arranged in the valve body 1, valve core sealing rings 10 are arranged at two ends of the valve core 16, the sealing performance of the ball valve is ensured by the valve core sealing rings 10, a convex opening with a sealing cover is arranged at the center of the top of the valve body 1, a transmission shaft 6 is arranged on the sealing cover, a connecting rod 8 is fixedly connected at the top of the transmission shaft 6, and fixedly connected with connecting axle 7, connecting rod 8 bottom one side is provided with positioning mechanism 4.

Specifically, be provided with filter screen 11 between the inside upper and lower jade of first connecting pipe 2, filter screen 11 can filter liquid, prevents that impurity from plugging up the ball valve, equal fixed welding has cushion 12, two sets of on the inside upper and lower jade of second connecting pipe 3 fixedly connected with prevents the backflow sealing washer between cushion 12, prevents that the inboard of backflow sealing washer installs backflow fixture block 13, prevents that backflow fixture block 13 sets up to the toper, the automatic closure of backflow fixture block 13 can be guaranteed to prevent backflow fixture block 13's compression spring through the compression spring of 3 internally mounted of second connecting pipe, and the fixed welding of compression spring other end has spring holder 14.

Specifically, positioning mechanism 4 includes solid fixed cylinder 41, carousel 42 and threaded rod 43, the solid fixed welding in 8 bottom one sides of connecting rod has solid fixed cylinder 41, gu the internal thread of fixed cylinder 41 is connected with threaded rod 43, threaded rod 43 bottom runs through solid fixed cylinder 41 bottom to extend to gu fixed cylinder 41 below, and fixed welding has the locating piece, gu fixed welding has carousel 42 on the threaded rod 43 circumference outer wall, and the locating hole that suits with the locating piece is seted up on sealed lid top right side.

Specifically, fixed establishment 5 includes turning block 51, sleeve pipe 52 and screw rod 53, the mounting hole has all been seted up all around to the mounting ring 15 circumference outer wall, and the inside fixed welding of mounting hole has sleeve pipe 52, the inside threaded connection of sleeve pipe 52 has screw rod 53, screw rod 53 one end extends to the mounting ring 15 outside, and fixed welding has turning block 51, the screw rod 53 other end extends to inside the mounting ring 15, and fixed welding has fixed block 54, fixed block 54 keeps away from screw rod 53 one end and bonds and have the rubber pad.

Specifically, the other end of the connecting rod 8 is fixedly welded with a handle 9, and the outer circumferential wall of the handle 9 is sleeved with an anti-slip pad.

Specifically, when the anti-blocking manual ball valve is used, firstly, an output pipeline is inserted into the mounting ring 15, then, four groups of rotating blocks 51 are rotated, the rotating blocks 51 drive the fixing blocks 54 to abut against the outer wall of the output pipeline through the screw 53, then, the connecting rod 8 is operated, then, the rotating disc 42 is rotated, the rotating disc 42 drives the positioning blocks on the threaded rod 43 to be matched and connected with the positioning holes on the sealing cover, so that the connecting rod 8 is locked, the connecting rod 8 is prevented from rotating due to external collision, after the valve is opened, liquid in the pipeline reaches the filter screen 11 through the first connecting pipe 2, the filter screen 11 filters the liquid, impurities are prevented from blocking the ball valve, then the liquid reaches the cushion block 12 through the valve core 16, the liquid pushes the anti-backflow clamping block 13 under the influence of pressure, the liquid is discharged, when the liquid flows backwards, the compression spring automatically, the backflow prevention sealing ring ensures the sealing property between the backflow prevention clamping block 13 and the cushion block 12, prevents liquid from flowing backwards, and thus the whole ball valve is used.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a prevent manual ball valve of jam, includes valve body (1), case (16), positioning mechanism (4) and fixed establishment (5), its characterized in that: a first connecting pipe (2) is fixedly welded at the left end of the valve body (1), a second connecting pipe (3) is fixedly welded at the right end of the valve body (1), the left end of the first connecting pipe (2) is fixedly connected with a mounting ring (15), the periphery of the circumferential outer wall of the mounting ring (15) is provided with a fixing mechanism (5), a valve core (16) is arranged in the valve body (1), valve core sealing rings (10) are arranged at two ends of the valve core (16), a convex opening with a sealing cover is arranged at the center of the top of the valve body (1), a transmission shaft (6) is arranged on the sealing cover, the top of the transmission shaft (6) is fixedly connected with a connecting rod (8), the bottom of the transmission shaft (6) penetrates through the top of the sealing cover, and extend to the inside of valve body (1), and fixedly connected with connecting axle (7), connecting rod (8) bottom one side is provided with positioning mechanism (4).

2. A jam-resistant manual ball valve as set forth in claim 1 wherein: be provided with filter screen (11) between the inside upper and lower jade of first connecting pipe (2), equal fixed weld has cushion (12), two sets of on the inside upper and lower jade of second connecting pipe (3) fixedly connected with prevents the backflow sealing washer between cushion (12), prevents that backflow fixture block (13) are installed to the inboard of preventing the backflow sealing washer, prevent backflow fixture block (13) right-hand member fixedly connected with compression spring, compression spring other end fixed weld has spring holder (14).

3. A jam-resistant manual ball valve as set forth in claim 1 wherein: positioning mechanism (4) are including solid fixed cylinder (41), carousel (42) and threaded rod (43), the solid fixed welding in connecting rod (8) bottom one side has solid fixed cylinder (41), gu fixed cylinder (41) internal thread is connected with threaded rod (43), threaded rod (43) bottom runs through solid fixed cylinder (41) bottom to extend to gu fixed cylinder (41) below, and fixed welding has the locating piece, gu fixed welding has carousel (42) on threaded rod (43) circumference outer wall, the locating hole that suits with the locating piece is seted up on sealed lid top right side.

4. A jam-resistant manual ball valve as set forth in claim 1 wherein: fixed establishment (5) include turning block (51), sleeve pipe (52) and screw rod (53), the mounting hole has all been seted up all around to collar (15) circumference outer wall, and the inside fixed welding of mounting hole has sleeve pipe (52), sleeve pipe (52) inside threaded connection has screw rod (53), screw rod (53) one end extends to collar (15) outside, and fixed welding has turning block (51), inside screw rod (53) other end extends to collar (15), and fixed welding has fixed block (54), screw rod (53) one end bonding is kept away from in fixed block (54) has the rubber pad.

5. A jam-resistant manual ball valve as set forth in claim 1 wherein: the other end of the connecting rod (8) is fixedly welded with a handle (9), and the circumferential outer wall of the handle (9) is sleeved with an anti-slip pad.