CN212480181U

CN212480181U - Sanitary spring reset valve

Info

Publication number: CN212480181U
Application number: CN202021169852.0U
Authority: CN
Inventors: 项炳康; 黄海鸥
Original assignee: Wenzhou Haobo Machinery Co ltd
Current assignee: Wenzhou Haobo Machinery Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-05
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a sanitary-grade spring reset valve, including outer valve body and interior valve body, the delivery outlet has been seted up in the left side of outer valve body, the connecting rod is installed at the top of interior valve body, the extrusion slide is installed to the inboard bottom of interior valve body, and extrudees the upper end of slide and be connected with the slide bar to the outside cover of slide bar is equipped with reset spring, the inside top of connecting rod is connected with the slide bar, and the outside cover of slide bar is equipped with the extrusion spring, the bottom of extrusion spring is connected with the closing plate. The utility model discloses in, at first, adopt automatic re-setting over-and-under type composite seal structure, both played sealed dirt-proof effect, also reduced the pollution to the valve body inside, only improved the sanitary safety nature of reset valve simultaneously, also improved the result of use of spring reset valve, secondly, adopt the structure that multiple combination is sealed, it is convenient not only to dismantle the installation, also plays sealed effect, has also reduced reset valve processing cost simultaneously.

Description

Sanitary spring reset valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a sanitary-grade spring reset valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve is a control part in a 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. The spring return valve is a valve which returns to a normal position under the action of spring force, belongs to one type of hydraulic valves, and is a sanitary grade spring return valve which is required to be arranged under the condition of food or sanitary grade requirements in some existing situations.

The existing sanitary spring reset valve still has partial problems, firstly, the existing sanitary spring reset part mainly changes used materials, such as copper and iron, and the like, into a non-pollution stainless steel material, but the inside of the existing valve body can possibly absorb partial outside particles and pollutants, and the inside of the valve body is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the sanitary spring return valve is provided in order to solve the problem that the sanitary safety of the traditional sanitary spring return valve part is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sanitary-grade spring reset valve, includes outer valve body and interior valve body, the delivery outlet has been seted up in the left side of outer valve body, the connecting rod is installed at the top of interior valve body, the extrusion slide is installed to the inboard bottom of interior valve body, and the upper end of extrusion slide is connected with the push-and-pull rod to the outside cover of push-and-pull rod is equipped with reset spring, the inside top of connecting rod is connected with the slide bar, and the outside cover of slide bar is equipped with the extrusion spring, the bottom of extrusion spring is connected with the closing.

As a further description of the above technical solution:

the output hole is communicated with the inside of the connecting rod and the inside of the push-pull rod, and the sealing plate is sleeved outside the sliding rod.

As a further description of the above technical solution:

the bottom of outer valve body and interior valve body installs the valve gap, just the junction of valve gap and outer valve body inlays and is equipped with the sealing plug, the bottom of valve gap is connected and is installed communicating pipe.

As a further description of the above technical solution:

the outer wall of outer valve body is located to the cover upper end cover, the input hole has been seted up to the bottom of valve gap, and both ends communicate push-and-pull rod and communicating pipe respectively about the input hole.

As a further description of the above technical solution:

the outer side of the communicating pipe is spirally embedded on the inner side of the valve cover.

As a further description of the above technical solution:

the outer valve body and the valve cover jointly wrap the inner valve body and the connecting rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, adopt automatic re-setting over-and-under type composite seal structure, there is the connecting rod on the inner valve body, and there is the extrusion slide in the inside of inner valve body, after outside fluid enters into the inner valve body from the input port, the pressure of impact will extrude the slide upwards and promote, and promote the push-and-pull rod rebound, and with the closing plate upwards pass along the slide bar and extrude the spring to the top, push-and-pull rod and delivery outlet intercommunication this moment, and discharge the fluid, later because reset spring's reason, the push-and-pull rod is the rebound again, and the closing plate also seals the delivery outlet again, it is reciprocal with this circulation, the comprehensive setting of this kind of structure, both played sealed dirt-proof effect, the pollution to the valve body is also reduced, the while has only improved reset valve's health safety nature, the result of spring reset valve has also been improved.

2. The utility model discloses in, adopt multiple combination seal's structure, there is outer valve body in the outside of valve body, and outer valve body inlays mutually with the valve gap simultaneously and establishes to internal valve body forms the inclusion, and has added the sealing plug between outer valve body and the valve gap, increases the leakproofness, and this kind sets up the structure, and it is convenient not only to dismantle the installation, also plays sealed effect, has also reduced the valve processing cost that resets simultaneously.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows a front cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic partial front view cross-sectional structure according to an embodiment of the present invention.

Illustration of the drawings:

1. an outer valve body; 2. a valve cover; 3. a communicating pipe; 4. an inner valve body; 5. an input aperture; 6. a sealing plug; 7. a return spring; 8. a connecting rod; 9. a compression spring; 10. a slide bar; 11. a sealing plate; 12. an output aperture; 13. a push-pull rod; 14. the slide plate is pressed.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sanitary spring reset valve comprises an outer valve body 1 and an inner valve body 4, wherein an output hole 12 is formed in the left side of the outer valve body 1, a connecting rod 8 is installed at the top of the inner valve body 4, the connecting rod 8 is mainly an extension part of the inner valve body 4 and plays a role of enabling the inner valve body 4 not to be directly communicated with the output hole 12, an extrusion sliding plate 14 is installed at the bottom of the inner side of the inner valve body 4, the extrusion sliding plate 14 mainly pushes a push-pull rod 13 and simultaneously extrudes a sealing plate 11, the upper end of the extrusion sliding plate 14 is connected with the push-pull rod 13, a reset spring 7 is sleeved on the outer side of the push-pull rod 13, the reset spring 7 mainly enables the push-pull rod 13 to recover in place, a sliding rod 10 is connected to the top end of the inner part of the connecting rod 8, the sliding rod 10 mainly enables the sealing plate 11 to slide up and, the bottom of the extrusion spring 9 is connected with a sealing plate 11, the sealing plate 11 mainly has the function of sealing an output hole 12, the output hole 12 is communicated with the inside of the connecting rod 8 and the inside of the push-pull rod 13, and the sealing plate 11 is sleeved outside the sliding rod 10.

Specifically, as shown in fig. 1 and fig. 2, valve gap 2 is installed with interior valve body 4's bottom to outer valve body 1, valve gap 2 mainly plays the effect of sealed interior valve body 4 with outer valve body 1, and valve gap 2 inlays and is equipped with sealing plug 6 with the junction of outer valve body 1, sealing plug 6 mainly strengthens the leakproofness, communicating pipe 3 is installed in the bottom connection of valve gap 2, communicating pipe 3 mainly is convenient for erection joint, the outer wall of outer valve body 1 is located to valve gap 2 upper end cover, input hole 5 has been seted up to valve gap 2's bottom, input hole 5 is fluidic input, and both ends communicate push-and-pull rod 13 and communicating pipe 3 respectively about input hole 5, the inboard at valve gap 2 is inlayed to the outside spiral of communicating pipe 3.

Specifically, as shown in fig. 2, the outer valve body 1 and the bonnet 2 jointly wrap the inner valve body 4 and the connecting rod 8.

The working principle is as follows: when the valve body is used, firstly, the valve body is processed and installed at a designated position to be used, particularly, the valve cover 2 and the outer valve body 1 are embedded with each other to form inclusion on the inner valve body 4, then the sealing plug 6 is installed between the outer valve body 1 and the valve cover 2 to increase the sealing performance, secondly, after the valve body is installed, when external fluid enters the inner valve body 4 from the input hole 5, the extrusion sliding plate 14 is pushed upwards by the impact pressure, the push-pull rod 13 is pushed to move upwards, the sealing plate 11 is pushed upwards along the sliding rod 10 and extrudes the extrusion spring 9 to the top, at the moment, the push-pull rod 13 is communicated with the output hole 12, the fluid is discharged from the output hole 12, then, due to the reset spring 7, the push-pull rod 13 moves downwards, and the sealing plate 11 also seals the output hole 12 again, so that the cycle is repeated until the use is completed, and.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sanitary-grade spring reset valve, includes outer valve body (1) and interior valve body (4), its characterized in that, delivery outlet (12) have been seted up in the left side of outer valve body (1), connecting rod (8) are installed at the top of interior valve body (4), extrusion slide (14) are installed to the inboard bottom of interior valve body (4), and the upper end of extrusion slide (14) is connected with push-and-pull rod (13) to the outside cover of push-and-pull rod (13) is equipped with reset spring (7), the inside top of connecting rod (8) is connected with slide bar (10), and the outside cover of slide bar (10) is equipped with extrusion spring (9), the bottom of extrusion spring (9) is connected with closing plate (11).

2. Sanitary spring return valve according to claim 1, characterized in that the outlet opening (12) communicates with the interior of the connecting rod (8) and the interior of the push-pull rod (13), and the sealing plate (11) is fitted on the outside of the sliding rod (10).

3. The sanitary spring return valve according to claim 1, characterized in that a valve cover (2) is installed at the bottom of the outer valve body (1) and the inner valve body (4), a sealing plug (6) is embedded at the joint of the valve cover (2) and the outer valve body (1), and a communicating pipe (3) is installed at the bottom of the valve cover (2).

4. The sanitary spring return valve according to claim 3, wherein the upper end of the valve cover (2) is sleeved on the outer wall of the outer valve body (1), the bottom of the valve cover (2) is provided with an input hole (5), and the upper end and the lower end of the input hole (5) are respectively communicated with the push-pull rod (13) and the communication pipe (3).

5. Sanitary spring return valve according to claim 3, characterized in that the outer side of the connecting tube (3) is screwed into the inner side of the valve cover (2).

6. Sanitary spring return valve according to claim 1, characterized in that the outer valve body (1) jointly with the valve cover (2) encloses the inner valve body (4) and the connecting rod (8).