CN212203303U

CN212203303U - Ball valve

Info

Publication number: CN212203303U
Application number: CN202020716543.4U
Authority: CN
Inventors: 张天增
Original assignee: Yuhuan Seagull Valve Co ltd
Current assignee: Yuhuan Seagull Valve Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-22
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a ball valve belongs to valve technical field. It has solved the pipe fitting among the current ball valve and has accessed the position inaccurate, inserts the inconvenient and easy problem of damaging of access process of difficulty. This ball valve, which comprises a valve body, the valve rod, spheroid and handle, the valve body both ends are equipped with water inlet port and water outlet port respectively, be equipped with the locking stop collar that can supply the pipe fitting to stretch into the installation in the water outlet port of valve body, it has the central through-hole that is linked together and is the toper form with the valve body is inside to open up to establish in the locking stop collar, two flutings have been seted up to the symmetry on the outer wall of locking stop collar, by interior toward assembling in proper order outside and locating part in each fluting, two screws have been seted up to the symmetry on the water outlet port outer wall, two screws and two fluting one-to-ones, and the screw and the fluting of one-to-. The utility model has the advantages of the position that pipe fitting simple to operate is swift in the valve body, the pipe fitting stretches into is accurate and the pipe fitting is difficult for droing.

Description

Ball valve

Technical Field

The utility model belongs to the technical field of the valve, a ball valve is related to.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. A typical ball valve has two ports: water inlet port and water outlet port, water inlet port is connected with water inlet equipment, water outlet port supplies the pipe fitting to insert, overlap an external screw thread cover on the pipe fitting earlier when the installation pipe fitting, then directly pack the pipe fitting into corresponding pipeline in the tee bend ball valve, the lock nut and the external screw thread cover screw-thread fit on the pipeline are located to the rethread cover and are locked the pipe fitting, then because the ball valve simple structure on the present market, the function is single, it is in the water outlet port directly to pack the pipe fitting hard into when the installation pipe fitting, damage the pipe fitting easily, and the pipe fitting installation is not in place, the installation difficulty is inconvenient, the connected mode is firm inadequately, it is easy not hard up.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a position accuracy and the difficult ball valve that drops of pipe fitting that makes pipe fitting simple to operate swift, pipe fitting stretch into.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a ball valve, includes valve body, valve rod, spheroid and handle, the valve body both ends be equipped with water inlet port and water outlet port respectively, its characterized in that, be equipped with in the water outlet port of valve body and supply the pipe fitting to stretch into the locking stop collar of installation, locking stop collar in establish and have and be linked together and be the central through-hole of toper form with the valve body is inside, two flutings have been seted up to the symmetry on the outer wall of locking stop collar, each by interior toward having assembled spring one and locating part outward in proper order in the fluting, outside the fluting was stretched out on the top of locating part, the bottom welded with the spring mutually, water outlet port outer wall on the symmetry seted up two screws, two screw and two fluting one-to-ones, and the screw and the fluting of one-to-one communicate each other, each equal threaded.

In the ball valve, the diameter of the conical central through hole in the anti-loosening limiting sleeve is gradually decreased from outside to inside.

In the ball valve, the inner wall of the central through hole in the anti-loosening limiting sleeve is provided with the anti-skidding wear-resistant layer.

In the above ball valve, the longitudinal section of the upper end of the limiting member is semicircular, and the longitudinal section of the lower end of the limiting member is rectangular.

In foretell ball valve, the valve body inner wall on and with the junction of delivery port inner wall have inside radial extension and supply locking stop collar to lean on spacing step, two recess I have been seted up to the symmetry on the interior terminal surface of locking stop collar, two recess II have been seted up to the symmetry on the terminal surface of step, two recess I and two recess two one-to-one, the recess I and the recess two of one-to-one communicate each other, each all be equipped with spring two in the recess two, the outer end of spring two stretches out outside the recess, when locking stop collar stretches into in the delivery port and leans on with the step counterbalance, two outer ends of spring stretch into in the recess I and contradict with the inner wall of recess one.

In the ball valve, the bottom of the adjusting bolt is recessed inwards to form a circular surface matched with the upper end surface of the limiting piece.

Compared with the prior art, this ball valve stretches into the pipe fitting in locking stop collar, sets up rich elastic anti-skidding wearing layer in the locking stop collar, can not wearing and tearing damage when making the pipe fitting stretch into, stretch into the outlet port and spacing in the outlet port with the locking stop collar that has the pipe fitting, also only need during the dismantlement adjust bolt can, have the advantage that the pipe fitting location is accurate, pipe fitting simple to operate is swift and the pipe fitting is difficult for droing.

Drawings

Fig. 1 is a schematic sectional view of the ball valve.

Fig. 2 is an enlarged schematic view of the ball valve at a in fig. 1.

Fig. 3 is a schematic perspective view of the anti-loose stop collar in the ball valve.

Fig. 4 is a schematic perspective view of an adjusting bolt in the ball valve.

In the figure, 1, a valve body; 2. a valve stem; 3. a sphere; 4. a handle; 5. a water inlet port; 6. a water outlet port; 7. an anti-loose limit sleeve; 8. a central through hole; 9. grooving; 10. a first spring; 11. a limiting member; 12. a screw hole; 13. adjusting the bolt; 14. an anti-slip wear layer; 15. a step; 16. a first groove; 17. a second groove; 18. a second spring; 19. round surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, the ball valve comprises a valve body 1, a valve rod 2, a ball body 3 and a handle 4, wherein the valve rod 2 extends into the ball body 3 and can be controlled by the handle 4 to rotate, the valve rod 2 is controlled by the handle 4 to rotate so as to drive the ball body 3 to rotate to realize the opening and closing effect of water flow, two ends of the valve body 1 are respectively provided with a water inlet port 5 and a water outlet port 6, a locking stop collar 7 which can be used for inserting and installing a pipe fitting is arranged in the water outlet port 6 of the valve body 1, a central through hole 8 which is communicated with the inside of the valve body 1 and is in a conical shape is arranged in the locking stop collar 7, two slots 9 are symmetrically arranged on the outer wall of the locking stop collar 7, a spring 1 and a limiting piece 11 are sequentially arranged in each slot 9 from inside to outside, the top end of the limiting piece 11 extends out of the slot 9, two screw holes 12 are symmetrically formed in the outer wall of the water outlet port 6, the two screw holes 12 correspond to the two grooves 9 one by one, the screw holes 12 corresponding to the grooves 9 one by one are communicated with the grooves 9, and adjusting bolts 13 are connected to the inner portions of the screw holes 12 in a threaded mode.

In more detail, the diameter of the conical central through hole 8 in the anti-loosening limiting sleeve 7 is gradually decreased from outside to inside, the inner wall of the central through hole 8 in the anti-loosening limiting sleeve 7 is provided with a layer of anti-skid wear-resistant layer 14, the pipe can conveniently and orderly enter the central through hole 8 through the arrangement of the anti-skid wear-resistant layer 14, the anti-skid wear-resistant layer 14 is rich in elasticity, the pipe cannot be damaged when being stretched in, the pipe can be accurately positioned and cannot be displaced, then after the pipe is assembled, the pipe is locked by utilizing the threaded matching of a locking nut and an external thread sleeve previously sleeved on the pipe, the longitudinal section of the upper end part of the limiting part 11 is semicircular, the longitudinal section of the lower end part is rectangular, namely, the top surface of the limiting part 11 is an arc surface, the limiting part 11 is compressed downwards through a spring I10 during assembly, so that the limiting part 11 can enter the water outlet port 6, the upper end part of the limiting part 11 entering, the longitudinal section of the upper end of the limiting piece 11 is semicircular, friction can be reduced, when the limiting piece 11 moves into the screw hole 12, the spring 10 resets to spring the limiting piece 11 open, the limiting piece 11 extends into the screw hole 12 to be limited, and the two limiting pieces 11 symmetrically arranged on the anti-loosening limiting sleeve 7 have the same operation principle.

In more detail, the inner wall of the valve body 1 and the connection part with the inner wall of the water outlet port 6 are provided with a step 15 which extends inwards and radially to enable the anti-loosening limiting sleeve 7 to abut against the limiting part, the inner end surface of the anti-loosening limiting sleeve 7 is symmetrically provided with two first grooves 16, the end surface of the step 15 is symmetrically provided with two second grooves 17, the two first grooves 16 and the two second grooves 17 correspond to each other one by one, the first grooves 16 and the second grooves 17 which correspond to each other one by one are communicated with each other, each second groove 17 is internally provided with a second spring 18, the outer end of each second spring 18 extends out of the corresponding second groove 17, when the anti-loosening limiting sleeve 7 extends into the water outlet port 6 and abuts against the step 15, the outer end of each second spring 18 extends into the corresponding first groove 16 to abut against the inner end wall of the corresponding first groove 16, and the second spring 18 plays a buffering role and is used for preventing.

In more detail, the bottom of the adjusting bolt 13 is recessed inwards to form a circular surface 19 matched with the upper end surface of the limiting part 11, when the anti-loosening limiting sleeve 7 needs to be taken out, the adjusting bolt 13 is screwed downwards, the circular surface 19 formed in the bottom of the adjusting bolt 13 is attached to the circular arc surface at the top end of the limiting part 11, the limiting part 11 is driven to move downwards under the action of the first spring 10, the limiting part 11 is made to fall off the screw hole 12, and therefore the anti-loosening limiting sleeve 7 can be taken down easily and conveniently.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A ball valve comprises a valve body (1), a valve rod (2), a ball body (3) and a handle (4), wherein a water inlet port (5) and a water outlet port (6) are respectively arranged at two ends of the valve body (1), the ball valve is characterized in that a locking stop collar (7) which can be used for a pipe fitting to stretch into the valve body (1) is arranged in the water outlet port (6) of the valve body (1), a central through hole (8) which is communicated with the interior of the valve body (1) and is in a conical shape is arranged in the locking stop collar (7), two open grooves (9) are symmetrically arranged on the outer wall of the locking stop collar (7), a first spring (10) and a limiting piece (11) are sequentially arranged in each open groove (9) from inside to outside, the top end of the limiting piece (11) stretches out of the open groove (9), the bottom end of the limiting piece is welded with the spring, two screw holes (12) are symmetrically, the two screw holes (12) are in one-to-one correspondence with the two open grooves (9), the screw holes (12) in one-to-one correspondence are communicated with the open grooves (9), and an adjusting bolt (13) is in threaded connection with the inside of each screw hole (12).

2. The ball valve according to claim 1, characterized in that the diameter of the conical central through hole (8) in the anti-loosening limiting sleeve (7) decreases from outside to inside.

3. A ball valve according to claim 1, characterized in that the inner wall of the central through hole (8) in the anti-loosing limiting sleeve (7) is provided with an anti-skid wear-resistant layer (14).

4. A ball valve according to claim 1, characterized in that the longitudinal section of the upper end of the retainer (11) is semicircular and the longitudinal section of the lower end is rectangular.

5. The ball valve according to claim 1, characterized in that the connection part of the inner wall of the valve body (1) and the inner wall of the water outlet port (6) is provided with a step (15) which extends inwards and radially and is used for the anti-loose limiting sleeve (7) to abut against and limit, two first grooves (16) are symmetrically arranged on the inner end surface of the anti-loosening limiting sleeve (7), two second grooves (17) are symmetrically formed in the end face of the step (15), the two first grooves (16) correspond to the two second grooves (17) one by one, the one corresponding first grooves (16) are communicated with the two second grooves (17), a second spring (18) is assembled in each second groove (17), the outer end of each second spring (18) extends out of the corresponding second groove (17), when the anti-loosening limiting sleeve (7) extends into the water outlet port (6) and is abutted against the step (15), the outer end of the second spring (18) extends into the first groove (16) and is abutted against the inner end wall of the first groove (16).

6. A ball valve according to claim 1, characterized in that the bottom of the adjusting bolt (13) is recessed inwardly with a circular surface (19) adapted to the upper end surface of the stop member (11).