CN216078386U

CN216078386U - Manual gate valve convenient to open and close

Info

Publication number: CN216078386U
Application number: CN202121996297.3U
Authority: CN
Inventors: 吴承滨; 吴承艺
Original assignee: YONGXIU VALVE CO LTD
Current assignee: YONGXIU VALVE CO LTD
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-18
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a manual gate valve convenient for opening and closing, which comprises a pipeline, wherein a valve body is movably arranged in the middle of the pipeline, connecting rings are movably sleeved on outer rings at two ends of the pipeline, the pipeline can be installed through the connecting rings on the pipeline, because the valve body is arranged in the middle of the pipeline, the interior of the pipeline and the interior of the valve body form a cavity, the ball core with the lug at the bottom is arranged in the cavity at the joint of the pipeline and the valve body, the main rotating shaft is linked by rotating the main rotating handle so as to rotate the ball core, the through hole is communicated with the pipeline, water is fed and supplied, when the gate valve needs to be sealed again by the ball core, the secondary rotating shaft is linked by rotating the secondary rotating handle, at the moment, the secondary rotating shaft rotates and opens and closes the arc-shaped sheets in the two side walls of the ball core, so as to be attached to the upper wall and the lower wall of the pipeline, prevent water from leaking through the ball core and increase the sealing performance of the valve body and the pipeline.

Description

Manual gate valve convenient to open and close

Technical Field

The utility model relates to the technical field of manual gate valve equipment, in particular to a manual gate valve convenient to open and close.

Background

The valve is a control part in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like; valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

To this end, chinese utility model patent that the publication number is CN209294424U discloses a manual valve convenient to carry out switching, including valve body, influent stream mouth, outflow port, connecting tube, first deep floor, solid fixed ring, briquetting, through-hole, tensile air spring, pipe, round cover, recess, stuff bar, pull rod, roof, threaded rod, nut, square tube, piston, spacing guide ring, depression bar, clamp plate, rubber seal backing plate, second deep floor, pressure spring, dead lever, rotation round bar, handle, top cover, fixed strip, gomphosis groove, circular block, circular quarter butt and logical groove. The valve body is reasonable in structure, and the connecting pipelines can be conveniently connected at the two ends of the valve body through the mounting structure.

The manual valve structure in the above-mentioned case is complicated, can not strengthen the sealed effect of valve when quick carrying out the switching to the valve for the result of use of valve is relatively poor. To this end, a manual gate valve which is easy to open and close is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a manual gate valve which is easy to open and close.

In order to achieve the purpose, the utility model provides the following technical scheme: a manual gate valve convenient to open and close comprises a pipeline, wherein a valve body is movably arranged in the middle of the pipeline, and connecting rings are movably sleeved on outer rings at two ends of the pipeline;

a valve cover is installed at the top of the valve body through threads, a cavity is formed in the valve body, a main rotating shaft is rotatably installed in the cavity in a penetrating mode, a secondary rotating shaft is rotatably installed in the main rotating shaft in a penetrating mode, a first bearing is movably arranged at the joint of the valve cover and the main rotating shaft, a first bearing is also movably arranged at the joint of the main rotating shaft and the secondary rotating shaft, and a groove is formed in the middle of the bottom wall of the interior of the pipeline;

the one end of the inside main pivot of valve body passes through the connecting block and connects the ball core, and is preferred, rigid coupling two relative side connection pieces on the outer lane wall of the inside secondary pivot of ball core, the side connection piece rotates the one end of connecting rod through the round pin axle, the spacing ring of rigid coupling on the outer end wall of connecting rod is run through at the both ends of round pin axle, the solid fixed ring of movable mounting on the both ends of round pin axle.

Preferably, the middle part of the ball core is provided with a through hole in a penetrating manner, two side walls of the ball core are provided with notches, arc-shaped pieces are movably mounted in the notches, the bottom wall of the ball core is fixedly connected with a convex block, the convex block is movably mounted in the groove, and the outer walls of the arc-shaped pieces are movably connected to the upper wall and the lower wall of the pipeline.

Preferably, a second bearing is movably arranged at the joint of the connecting block and the secondary rotating shaft, and the secondary rotating shaft penetrates through the top wall of the ball core and the through hole to the inner wall of the ball core.

Preferably, the other end of the connecting rod penetrates through the side wall of the ball core, the other end of the connecting rod is fixedly connected to the inner wall of the arc-shaped piece, and a limiting groove with a large width is formed in the joint of the side wall of the ball core and the connecting rod.

Preferably, the top of the main rotating shaft is fixedly connected with a main rotating handle, one end of the secondary rotating shaft penetrates through the main rotating handle, and the top of the secondary rotating shaft is fixedly connected with a secondary rotating handle.

Compared with the prior art, the utility model has the beneficial effects that:

the inner part of the pipeline and the inner part of the valve body penetrate through each other to form a cavity, the ball core is installed in the middle of the pipeline, the ball core is rotated through the main rotating shaft, the arc-shaped pieces in the two side walls of the ball core are rotated and opened and closed through the secondary rotating shaft, so that the arc-shaped pieces are attached to the upper wall and the lower wall of the pipeline, water is prevented from leaking through the ball core, and the sealing performance of the valve body and the pipeline is improved;

simultaneously through rotating main pivot and carrying out the rotation to the ball core, block water the effect, reach the purpose of quick switching, but in order to prevent the leakproofness of valve body, rotate inferior pivot and seal once more inside the pipeline for the sealed effect of gate valve is better, improves the result of use.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a core structure according to the present invention;

fig. 4 is a schematic view of a fixed ring structure according to the present invention.

In the figure: 1. a pipeline; 11. a groove; 12. a connecting ring; 2. a valve body; 20. a chamber; 21. a valve cover; 3. a main rotating shaft; 31. a first bearing; 32. a main rotating handle; 4. a secondary rotating shaft; 41. a secondary handle; 5. a ball core; 51. a notch; 52. a through opening; 53. a bump; 54. a connecting rod; 541. a limiting ring; 55. an arc-shaped sheet; 56. a limiting groove; 57. a side connection block; 58. a pin shaft; 581. a fixing ring; 6. connecting blocks; 61. and a second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a manual gate valve convenient to open and close comprises a pipeline 1, wherein a valve body 2 is movably arranged in the middle of the pipeline 1, and connecting rings 12 are movably sleeved on outer rings at two ends of the pipeline 1;

a valve cover 21 is installed at the top of the valve body 2 through threads, a cavity 20 is formed in the valve body 2, a main rotating shaft 3 is rotatably installed in the cavity 20 in a penetrating mode, a secondary rotating shaft 4 is rotatably installed in the main rotating shaft 3 in a penetrating mode, a first bearing 31 is movably arranged at the joint of the valve cover 21 and the main rotating shaft 3, a first bearing 31 is also movably arranged at the joint of the main rotating shaft 3 and the secondary rotating shaft 4, and a groove 11 is formed in the middle of the bottom wall in the pipeline 1;

one end of the main rotating shaft 3 in the valve body 2 is connected with the ball core 5 through a connecting block 6.

The middle part of the ball core 5 is provided with a through hole 52 in a penetrating way, two side walls of the ball core 5 are provided with notches 51, arc-shaped sheets 55 are movably arranged in the notches 51, the bottom wall of the ball core 5 is fixedly connected with a lug 53, the lug 53 is movably arranged in the groove 11, and the outer walls of the arc-shaped sheets 55 are movably connected with the upper wall and the lower wall of the pipeline 1.

The joint of the connecting block 6 and the secondary rotating shaft 4 is movably provided with a second bearing 61, and the secondary rotating shaft 4 penetrates through the top wall of the ball core 5 and the through hole 52 to the inner wall of the ball core 5.

Two opposite side connecting blocks 57 are fixedly connected to the outer ring wall of the secondary rotating shaft 4 inside the ball core 5, the side connecting blocks 57 are rotatably connected to one end of the connecting rod 54 through a pin shaft 58, two ends of the pin shaft 58 penetrate through a limiting ring 541 fixedly connected to the outer end wall of the connecting rod 54, and two ends of the pin shaft 58 are movably provided with fixing rings 581.

The other end of the connecting rod 54 penetrates through the side wall of the ball core 5, the other end of the connecting rod 54 is fixedly connected to the inner wall of the arc-shaped sheet 55, and a limit groove 56 with a larger width is formed at the joint of the side wall of the ball core 5 and the connecting rod 54.

The top of the main rotating shaft 3 is fixedly connected with a main rotating handle 32, one end of the secondary rotating shaft 4 penetrates through the main rotating handle 32, and the top of the secondary rotating shaft 4 is fixedly connected with a secondary rotating handle 41.

The working principle is as follows: when the device is normally used, the pipeline 1 can be installed through the connecting ring 12 on the pipeline 1, the valve body 2 is installed in the middle of the pipeline 1, the interior of the pipeline 1 and the interior of the valve body 2 form a cavity 20, the ball core 5 with the bump 53 at the bottom is installed in the cavity 20 at the joint of the pipeline 1 and the valve body 2, the main rotating shaft 3 is linked through rotating the main rotating handle 32 so as to rotate the ball core 5, the through hole 52 is communicated with the pipeline 1, water inlet and water communication functions are realized, when a gate valve needs to be sealed again through the ball core 5, the secondary rotating shaft 4 is linked through rotating the secondary rotating handle 41, and at the moment, the arc-shaped sheets 55 in the two side walls of the ball core 5 are rotated and opened and closed so as to be attached to the upper wall and the lower wall of the pipeline 1, water is prevented from leaking through the ball core 5, and the sealing performance of the valve body and the pipeline is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a manual gate valve convenient to open and close, includes pipeline (1), middle part movable mounting valve body (2) of pipeline (1), go up the activity and cup joint go-between (12), its characterized in that on the outer lane at the both ends of pipeline (1):

a valve cover (21) is installed at the top of the valve body (2) through threads, a cavity (20) is formed in the valve body (2), a main rotating shaft (3) is rotatably installed in the cavity (20) in a penetrating mode, a secondary rotating shaft (4) is rotatably installed in the main rotating shaft (3) in a penetrating mode, a first bearing (31) is movably arranged at the joint of the valve cover (21) and the main rotating shaft (3), a first bearing (31) is also movably arranged at the joint of the main rotating shaft (3) and the secondary rotating shaft (4), and a groove (11) is formed in the middle of the bottom wall in the pipeline (1);

one end of the main rotating shaft (3) in the valve body (2) is connected with the ball core (5) through a connecting block (6).

2. A hand gate valve of claim 1, wherein: the ball core (5) middle part is run through and is seted up through-hole (52), set up notch (51) on the both sides wall of ball core (5), and movably mounted arc piece (55) in notch (51), the diapire rigid coupling lug (53) of ball core (5), and lug (53) movable mounting in recess (11), the outer wall swing joint of arc piece (55) is at the upper wall and the lower wall of pipeline (1).

3. A hand gate valve of claim 1, wherein: and a second bearing (61) is movably arranged at the joint of the connecting block (6) and the secondary rotating shaft (4), and the secondary rotating shaft (4) penetrates through the top wall of the ball core (5) and the inner wall of the through hole (52) to the ball core (5).

4. A hand gate valve of claim 3, wherein: two opposite side connecting blocks (57) are fixedly connected to the outer ring wall of the secondary rotating shaft (4) inside the ball core (5), the side connecting blocks (57) are rotatably connected to one end of the connecting rod (54) through pin shafts (58), two ends of each pin shaft (58) penetrate through limiting rings (541) fixedly connected to the outer end walls of the connecting rod (54), and fixing rings (581) are movably mounted at two ends of each pin shaft (58).

5. The hand gate valve of claim 4, wherein: the other end of the connecting rod (54) penetrates through the side wall of the ball core (5), the other end of the connecting rod (54) is fixedly connected to the inner wall of the arc-shaped sheet (55), and a limiting groove (56) with a large width is formed in the connection position of the side wall of the ball core (5) and the connecting rod (54).

6. A hand gate valve of claim 1, wherein: the top rigid coupling of main pivot (3) is main turning handle (32), main turning handle (32) is run through to the one end of inferior pivot (4), the top rigid coupling of inferior pivot (4) is inferior turning handle (41).