CN212226001U

CN212226001U - Novel low-resistance stop valve

Info

Publication number: CN212226001U
Application number: CN202020941474.7U
Authority: CN
Inventors: 张军方
Original assignee: Yuhuan Ruimin Metal Products Co ltd
Current assignee: Yuhuan Ruimin Metal Products Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-25
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a novel stop valve of low resistance, which comprises a valve body, the inner wall rigid coupling of valve body has the bent plate, the through-hole has been seted up at the top of bent plate, the top threaded connection of valve body has the lid, the clamp has the rubber pad between lid and the valve body, the inner wall below and the montant screw thread of lid link to each other. This novel stop valve of low resistance, relative rotation can not take place between first rubber circle and the second rubber circle, and then the production of friction has been avoided, and then the resistance has been reduced, and also be a protection to first rubber circle and second rubber circle, the novel stop valve of this low resistance has been guaranteed at the in-process of adjusting, need not bear great resistance, more be difficult to take place to damage, and when user's strength is less, also can be with the tight closing of this novel stop valve of low resistance, and then guaranteed the effect that ends of this novel stop valve of low resistance, so this novel stop valve of low resistance can satisfy people's use needs completely.

Description

Novel low-resistance stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a novel stop valve of low resistance.

Background

The stop valve is one of valves, when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operating force is the friction force of the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod bending can occur, so when the stop valve is used, a user needs to use larger force, the stop valve needs to bear larger force in the adjusting process, so the stop valve is easy to damage, or when the force of the user is smaller, the stop valve can be closed insufficiently and tightly, the stop effect of the stop valve is influenced, and the prior art can not meet the use requirements of people.

Disclosure of Invention

An object of the utility model is to provide a novel stop valve of low resistance 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: a novel low-resistance stop valve comprises a valve body, wherein a curved plate is fixedly connected to the inner wall of the valve body, a through hole is formed in the top of the curved plate, a first rubber ring is fixedly connected to the inner wall of the through hole, a second rubber ring is arranged on the inner wall of the first rubber ring in an interference fit manner, a bump is fixedly connected to the inner wall of the second rubber ring, the top of the bump is rotatably connected with a vertical rod through a first bearing, a cover body is in threaded connection with the top of the valve body, a rubber pad is clamped between the cover body and the valve body, the lower portion of the inner wall of the cover body is in threaded connection with the vertical rod, a square groove is formed in the top of the vertical rod, a square rod is in clearance fit with the inner portion of the square groove, a second bearing is fixedly connected to the upper portion of the outer wall of the square rod, the second bearing penetrates through the top of the cover body, a check ring is fixedly connected, the top rigid coupling of square bar has first conical gear, the meshing of first conical gear's right side below is connected with second conical gear, second conical gear's left side is rotated through the third bearing and is connected with the curved bar, the left end and the lid rigid coupling of curved bar are in the same place, second conical gear's right side top rigid coupling has the first in command, the equal rigid coupling in the inner wall left and right sides of valve body has the ring.

Preferably, the outer wall right side rigid coupling of lid has the sleeve, telescopic inner wall clearance fit has the down tube, the left end rigid coupling of down tube has the spring, the left end of spring and telescopic inner wall left end rigid coupling are in the same place, the right-hand member rigid coupling of down tube has the fixture block, the right side and the second bevel gear joint of fixture block are in the same place.

Preferably, the left side and the right side of the inner wall of the valve body are both processed with threads.

Preferably, the outer wall of the first handle is sleeved with a rubber sleeve.

Preferably, a rubber ring is fixedly connected to the outer side of the circular ring.

Preferably, the left side and the right side of the outer wall of the cover body are fixedly connected with second handles.

Compared with the prior art, the beneficial effects of the utility model are that: the novel low-resistance stop valve enables the convex block and the vertical rod to rotate relatively through the action of the first bearing, so that when the vertical rod rotates, the first rubber ring and the second rubber ring can not rotate relatively, thereby avoiding the generation of friction, further reducing the resistance, protecting the first rubber ring and the second rubber ring, the force of a user for adjusting the novel low-resistance stop valve is further reduced through the matching of the first bevel gear and the second bevel gear, the novel low-resistance stop valve is ensured to be adjusted, does not need to bear larger force, is not easy to be damaged, and can tightly close the novel low-resistance stop valve when the strength of a user is small, and then guaranteed the effect that ends of this novel stop valve of low resistance, so this novel stop valve of low resistance can satisfy people's use needs completely.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the valve body, the ring and the curved plate in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the curved plate, the vertical rod and the cover in FIG. 1;

fig. 4 is a schematic view of the cover, the second bevel gear and the structure in fig. 3.

In the figure: 1. the valve comprises a valve body, 2, a circular ring, 3, a curved plate, 4, a rubber ring, 5, a through hole, 6, a first rubber ring, 7, a convex block, 8, a second rubber ring, 9, a first bearing, 10, a vertical rod, 11, a clamping block, 12, a cover body, 13, a second handle, 14, a rubber sleeve, 15, a thread, 16, a rubber pad, 17, a square groove, 18, a retaining ring, 19, a rubber column, 20, a square rod, 21, a second bearing, 22, a first conical gear, 23, a curved rod, 24, a third bearing, 25, a second conical gear, 26, a first handle, 27, an inclined rod, 28, a sleeve, 29 and a spring.

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 low-resistance novel stop valve comprises a valve body 1, wherein two ends of the valve body 1 are respectively connected with an external pipeline, a curved plate 3 is fixedly connected to the inner wall of the valve body 1, a through hole 5 communicated with two ends of the valve body 1 is formed in the curved plate 3, a first rubber ring 6 is fixedly connected to the inner wall of the through hole 5, a second rubber ring 8 is in interference fit with the inner wall of the first rubber ring 6, the first rubber ring 6 and the second rubber ring 8 are matched to enhance the sealing property between the through hole 5 and a lug 7, a lug 7 is fixedly connected to the inner wall of the second rubber ring 8, the lug 7 can block the through hole 5, so that the left side and the right side of the valve body 1 are separated, the top of the lug 7 is rotatably connected with a vertical rod 10 through a first bearing 9, the lug 7 and the vertical rod 10 can rotate relatively through the first bearing 9, so that the first rubber ring 6 and the second rubber ring 8 are prevented from generating friction when the vertical rod 10 rotates, a rubber pad 16 is clamped between the cover body 12 and the valve body 1, the rubber pad 16 increases the sealing performance between the cover body 12 and the valve body 1, the lower part of the inner wall of the cover body 12 is in threaded connection with a vertical rod 10, a square groove 17 is formed in the top of the vertical rod 10, a square rod 20 is in clearance fit in the square groove 17, the vertical rod 10 is enabled to keep the position of the square rod 20 unchanged through the fit between the square rod 20 and the square groove 17 when rotating, a second bearing 21 is fixedly connected above the outer wall of the square rod 20, the second bearing 21 supports the square rod 20, the second bearing 21 penetrates through the top of the cover body 12, a check ring 18 is fixedly connected above the outer wall of the vertical rod 10, the check ring 18 plays a limiting role on a rubber column 19, the outer wall of the check ring 18 is fixedly connected with a rubber column 19, the rubber column 10 ensures the sealing performance between the cover body 12 and the vertical rod 10, the outer wall of the rubber column 19 is in threaded connection with the upper, a second bevel gear 25 is engaged and connected to the lower portion of the right side of the first bevel gear 22, the number of teeth of the second bevel gear 25 is one tenth of the number of teeth of the first bevel gear 22, so that when the second bevel gear 25 is rotated, more labor is saved, the left side of the second bevel gear 25 is rotatably connected with a curved rod 23 through a third bearing 24, the left end of the curved rod 23 is fixedly connected with the cover body 12, a first handle 26 is fixedly connected to the upper portion of the right side of the second bevel gear 25, the first handle 26 is convenient for a user to rotate the second bevel gear 25, the left side and the right side of the inner wall of the valve body 1 are fixedly connected with a ring 2, the right side of the outer wall of the cover body 12 is fixedly connected with a sleeve 28, the sleeve 28 has a limiting effect on the inclined rod 27, an inclined rod 27 is in clearance fit with the inner wall of the sleeve 28, a spring 29 is fixedly connected to the left end of the inclined rod 27, the spring 29 gives an, the right-hand member rigid coupling of down tube 27 has fixture block 11, fixture block 11 can play spacing effect to second bevel gear 25, the right side and the second bevel gear 25 joint of fixture block 11 are in the same place, screw thread 15 has all been processed to the inner wall left and right sides of valve body 1, the outer wall of the first in command 26 has cup jointed rubber sleeve 14, rubber sleeve 14 increases the friction of the 26 outer wall of the first in command, the outside rigid coupling of ring 2 has rubber ring 4, rubber ring 4 makes when external pipeline links to each other with valve body 1, improve the leakproofness, the equal rigid coupling of the outer wall left and right sides of lid 12 has second handle 13.

When the novel low-resistance stop valve is used, the left end and the right end of the valve body 1 are respectively connected with an external pipeline and can be welded together, or the left side of the valve body 1 is connected with the input pipeline through screw threads, the right side of the valve body 1 is connected with the output pipeline, when the stop valve needs to be opened, the first handle 26 is rotated, the first handle 26 drives the second bevel gear 25 to rotate, the second bevel gear 25 drives the first bevel gear 22 to rotate, the second bevel gear 22 drives the square rod 20 to rotate, the square rod 20 drives the vertical rod 10 to rotate through the square groove 17, the vertical rod 10 is connected with the cover body 12 through the thread, and then move upwards along the inner wall of the cover body 12, at this time, the vertical rod 10 drives the bump 7 to move upwards through the first bearing 9, at this time, the bump 7 drives the second rubber ring 8 to separate from the first rubber ring 6, namely, the through hole 5 is opened, and at the moment, the pipelines connected with the left side and the right side of the novel low-resistance stop valve are communicated.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel stop valve of low resistance, includes valve body (1), its characterized in that: the inner wall rigid coupling of valve body (1) has bent plate (3), through-hole (5) have been seted up at the top of bent plate (3), the inner wall rigid coupling of through-hole (5) has first rubber circle (6), the inner wall interference fit of first rubber circle (6) has second rubber circle (8), the inner wall rigid coupling of second rubber circle (8) has lug (7), the top of lug (7) is through first bearing (9) swivelling joint has montant (10), the top threaded connection of valve body (1) has lid (12), the clamp has rubber pad (16) between lid (12) and valve body (1), the inner wall below and montant (10) threaded connection of lid (12), square groove (17) have been seted up at the top of montant (10), the inside clearance fit of square groove (17) has square pole (20), the outer wall top rigid coupling of square pole (20) has second bearing (21), the top of lid (12) is run through in second bearing (21), the outer wall top rigid coupling of montant (10) has retaining ring (18), the outer wall rigid coupling of retaining ring (18) has rubber column (19), the outer wall of rubber column (19) and the inner wall top screw thread of lid (12) link to each other, the top rigid coupling of square bar (20) has first conical gear (22), the right side below meshing of first conical gear (22) is connected with second conical gear (25), the left side of second conical gear (25) is rotated through third bearing (24) and is connected with curved bar (23), the left end and lid (12) rigid coupling of curved bar (23) are in the same place, the right side top rigid coupling of second conical gear (25) has first in command (26), the equal rigid coupling in the inner wall left and right sides of valve body (1) has ring (2).

2. The novel low-resistance stop valve of claim 1, characterized in that: the outer wall right side rigid coupling of lid (12) has sleeve (28), the inner wall clearance fit of sleeve (28) has down tube (27), the left end rigid coupling of down tube (27) has spring (29), the left end of spring (29) and the inner wall left end rigid coupling of sleeve (28) are in the same place, the right-hand member rigid coupling of down tube (27) has fixture block (11), the right side and the second bevel gear (25) joint of fixture block (11) are in the same place.

3. The novel low-resistance stop valve of claim 1, characterized in that: threads (15) are machined on the left side and the right side of the inner wall of the valve body (1).

4. The novel low-resistance stop valve of claim 1, characterized in that: the outer wall of the first handle (26) is sleeved with a rubber sleeve (14).

5. The novel low-resistance stop valve of claim 1, characterized in that: the outer side of the circular ring (2) is fixedly connected with a rubber ring (4).

6. The novel low-resistance stop valve of claim 1, characterized in that: the left side and the right side of the outer wall of the cover body (12) are fixedly connected with second handles (13).