Stacked overflow valve for autonomous pressure relief

Abstract

The stacked overflow valve comprises a valve body frame, a pressure relief assembly is arranged in the valve body frame, and a maintenance assembly is arranged at the bottom of the valve body frame. The pressure relief assembly comprises sliding grooves formed in the two sides of the valve body frame, moving plates are slidably installed in the sliding grooves, a pressure relief frame is fixedly installed on one sides of the moving plates, a notch is formed in one side of the pressure relief frame, first pressure relief buckles are slidably installed in the notch, a first spring is fixedly installed between the first pressure relief buckles, and a pressing plate is slidably installed in the notch. And the pressing plate is fixedly connected with the first pressure relief buckle. According to the overflow valve, a worker can conveniently adjust the elastic strength of the first spring according to actual requirements through the arranged pressure relief assembly, so that the situation that the pressure relief range of the overflow valve does not adapt to the pressure range of a system is prevented, and the pressure relief effect of the overflow valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overflow valve, concretely relates to a self -relief use superimposed overflow valve. BACKGROUND

[0002] The superimposed overflow valve refers to the direct connection with other hydraulic elements together, forms a compact overall structure, the effect of self -relief superimposed overflow valve is when system pressure reaches or exceeds the set value of overflow valve, automatic opening overflow, makes system pressure keep below the set value.

[0003] When the overflow valve is relieved, the pressure is injected into the valve body from the valve body input end, the pressure extrudes the baffle, the baffle extrudes the spring, the pressure exceeds the spring elasticity and drives the baffle to move, the baffle removes the blockage of pressure and leaks out of the valve body output end, the pressure is discharged from the valve body output end, when the pressure is discharged, the spring extrudes the baffle, and the baffle is reset.

[0004] Because the system pressure range required by different application scenarios is different, and the spring elasticity cannot be adjusted, the relief range of the overflow valve does not adapt to the current system pressure range, thereby reducing the relief effect of the overflow valve, and a self -relief use superimposed overflow valve is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a self -relief use superimposed overflow valve to solve the above -mentioned shortcomings in the prior art.

[0006] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0007] Including valve body frame, the pressure relief assembly is arranged in the valve body frame, the maintenance assembly is arranged at the bottom of the valve body frame;

[0008] The pressure relief assembly includes the sliding slot formed in the both sides of the valve body frame, the moving plate is slidably installed in the sliding slot, the pressure relief frame is fixedly installed on one side of the moving plate, the notch is formed in one side of the pressure relief frame, the first pressure relief buckle is slidably installed in the notch, the first spring is fixedly installed between the first pressure relief buckle, the pressing plate is slidably installed in the notch, and the pressing plate is fixedly connected with the first pressure relief buckle.

[0009] The pressure relief assembly can conveniently adjust the elasticity of the first spring according to actual needs, thereby preventing the overflow valve from being relieved from the system pressure range, thereby increasing the relief effect of the overflow valve.

[0010] The second pressure relief buckle is fixedly installed in the notch, and the first connecting plate is fixedly installed in the notch.

[0011] The second connecting plate is slidably installed on one side of the first connecting plate and is fixedly connected with the pressure relief frame.

[0012] The valve body frame is provided with a square slot at the bottom, a square plate is slidably installed in the square slot, the square plate is fixedly connected with the moving plate, a baffle is slidably installed in the square slot, and a second spring is fixedly installed between the square plate and the baffle.

[0013] The maintenance assembly comprises a maintenance plate, a sealing gasket, a connecting buckle and a pressure inlet plate, the maintenance plate is arranged at the bottom of the valve body frame, and the sealing gasket is fixedly installed at the top of the maintenance plate.

[0014] The connecting buckle is fixedly installed on both sides of the maintenance plate, the pressure inlet plate is fixedly installed at the bottom of the maintenance plate, and a pressure inlet slot is arranged between the pressure inlet plate and the maintenance plate.

[0015] In the above technical solution, the self-pressure relief superimposed overflow valve has the following beneficial effects:

[0016] The pressure relief assembly can facilitate the adjustment of the elastic force of the first spring according to actual needs, thereby preventing the situation that the pressure relief range of the overflow valve is not suitable for the system pressure range, and thus the pressure relief effect of the overflow valve is improved.

[0017] The first connecting plate can guide and limit the pressure relief frame through the second connecting plate, thereby improving the stability of the pressure relief frame during movement.

[0018] The maintenance assembly can facilitate the daily maintenance of the pressure relief assembly by the staff, thereby improving the stability of the overflow valve during use. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 The superimposed overflow valve structure schematic view is provided for the self-pressure relief superimposed overflow valve embodiment of the present application.

[0021] Figure 2 The superimposed overflow valve cross-sectional structure schematic view is provided for the self-pressure relief superimposed overflow valve embodiment of the present application.

[0022] Figure 3The utility model provides a pressure relief assembly structure schematic drawing provided by a self -relieving superimposed overflow valve embodiment of the utility model.

[0023] Figure 4 The utility model provides a pressure relief frame structure schematic drawing provided by a self -relieving superimposed overflow valve embodiment of the utility model.

[0024] 1, valve body frame 2, pressure relief assembly 3, overhaul assembly 4, sliding slot 5, moving plate 6, pressure relief frame 7, notched 8, first pressure relief buckle 9, first spring 10, press plate 11, second pressure relief buckle 12, first connecting plate 13, second connecting plate 14, square plate 15, baffle 16, second spring 17, pressure relief groove 18, square groove 19, overhaul plate 20, gasket 21, connecting buckle 22, pressure inlet plate 23, pressure inlet groove. DETAILED DESCRIPTION

[0025] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below with accompanying drawings.

[0026] As Figures 1-4 The utility model discloses a self -relieving superimposed overflow valve.

[0027] Including valve body frame 1, be provided with pressure relief assembly 2 in valve body frame 1, and valve body frame 1 bottom is provided with overhaul assembly 3;

[0028] Pressure relief assembly 2 includes the sliding slot 4 of being opened in the both sides of valve body frame 1, and the moving plate 5 of sliding installation is in the sliding slot 4, and the pressure relief frame 6 of fixed mounting is installed on one side of moving plate 5, and the notched 7 of opening is set up on one side of pressure relief frame 6, and the first pressure relief buckle 8 of sliding installation is in the notched 7, and the first spring 9 of fixed installation is installed between first pressure relief buckle 8, and the press plate 10 of sliding installation is in the notched 7, and press plate 10 is fixedly connected with first pressure relief buckle 8, according to actual need hand pressure relief frame 6 and extrude press plate 10, and press plate 10 drives first pressure relief buckle 8 to move, and first pressure relief buckle 8 extrudes first spring 9, makes it release the location fixed between valve body frame 1 and pressure relief frame 6, hand pressure relief frame 6 drives square plate 14 to move, makes it adjust the elastic degree of second spring 16, after driving the elastic degree of adjustment of second spring 16, reference above-mentioned operation, loosen press plate 10, and first spring 9 extrudes first pressure relief buckle 8, makes first pressure relief buckle 8 cooperate with second pressure relief buckle 11 and limit fixed pressure relief frame 6.

[0029] Pressure relief assembly 2 can be convenient for staff to adjust the elastic degree of first spring 9 according to actual need, to prevent overflow valve pressure relief range from not adapting system pressure range, to increase the pressure relief effect of overflow valve.

[0030] ReferFigure 3 The second pressure relief buckle 11 is fixedly installed in the notch 7.

[0031] The second connecting plate 13 is slidably installed on one side of the first connecting plate 12 and is fixedly connected with the pressure relief frame 6.

[0032] The first connecting plate 12 can guide and limit the pressure relief frame 6 through the second connecting plate 13, thereby improving the stability of the pressure relief frame 6 during movement.

[0033] The valve body frame 1 is provided with a square groove 18 at the bottom, a square plate 14 is slidably installed in the square groove 18, the square plate 14 is fixedly connected with the moving plate 5, a baffle 15 is slidably installed in the square groove 18, a second spring 16 is fixedly installed between the square plate 14 and the baffle 15, and a pressure relief groove 17 is formed on one side of the valve body frame 1.

[0034] Reference Figure 2 The maintenance assembly 3 includes a maintenance plate 19, a sealing gasket 20, a connecting buckle 21, and a pressure inlet plate 22. The maintenance plate 19 is arranged at the bottom of the valve body frame 1, and the sealing gasket 20 is fixedly installed at the top of the maintenance plate 19.

[0035] The maintenance assembly 3 can facilitate the daily maintenance of the pressure relief assembly 2 by the staff, thereby improving the stability of the overflow valve during use.

[0036] The connecting buckle 21 is fixedly installed on both sides of the maintenance plate 19, the pressure inlet plate 22 is fixedly installed at the bottom of the maintenance plate 19, and a pressure inlet groove 23 is formed between the pressure inlet plate 22 and the maintenance plate 19.

[0037] Working principle: first, according to the actual needs, hold the pressure relief frame 6 and press the plate 10, the plate 10 drives the first pressure relief buckle 8 to move, the first pressure relief buckle 8 presses the first spring 9 to release the limiting and fixing between the valve body frame 1 and the pressure relief frame 6, hold the pressure relief frame 6 to drive the square plate 14 to move, adjust the elastic force of the second spring 16, after the elastic force adjustment of the second spring 16 is completed, refer to the above operation, loosen the plate 10, the first spring 9 presses the first pressure relief buckle 8 to limit and fix the pressure relief frame 6 with the cooperation of the second pressure relief buckle 11, the pressure enters the valve body frame 1 from the pressure inlet groove 23 of the pressure inlet plate 22, the pressure presses the baffle 15 to drive it to move, the baffle 15 presses the second spring 16, the baffle 15 releases the shielding of the pressure relief groove 17, the pressure is discharged from the pressure relief groove 17, and after the pressure relief is completed, the second spring 16 presses the baffle 15 to reset the baffle 15.

[0038] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An autonomous pressure relief with stacked overflow valve comprising a valve body frame (1), characterized in that, The valve body frame (1) is provided with a pressure relief assembly (2), and the bottom of the valve body frame (1) is provided with an inspection assembly (3); The pressure relief assembly (2) comprises a sliding groove (4) formed on both sides of the valve body frame (1), a moving plate (5) slidably installed in the sliding groove (4), a pressure relief frame (6) fixedly installed on one side of the moving plate (5), a notch (7) formed on one side of the pressure relief frame (6), a first pressure relief buckle (8) slidably installed in the notch (7), a first spring (9) fixedly installed between the first pressure relief buckles (8), and a pressing plate (10) slidably installed in the notch (7) and fixedly connected with the first pressure relief buckles (8).

2. The stacked relief valve for autonomous pressure relief according to claim 1, characterized in that, The notch (7) is fixedly installed with a second pressure relief buckle (11), and the notch (7) is fixedly installed with a first connecting plate (12).

3. The stacked relief valve for autonomous pressure relief according to claim 2, characterized in that, The first connecting plate (12) is slidably installed with a second connecting plate (13) on one side, and the second connecting plate (13) is fixedly connected with the pressure relief frame (6).

4. The stacked relief valve for autonomous pressure relief according to claim 1, wherein The bottom of the valve body frame (1) is provided with a square groove (18), the square groove (18) is slidably installed with a square plate (14), the square plate (14) is fixedly connected with the moving plate (5), the square groove (18) is slidably installed with a baffle (15), the square plate (14) and the baffle (15) are fixedly installed with a second spring (16), and the valve body frame (1) is provided with a pressure relief groove (17) on one side.

5. The stacked relief valve for autonomous pressure relief according to claim 1, wherein The inspection assembly (3) comprises an inspection plate (19), a sealing gasket (20), a connecting buckle (21) and a pressure entering plate (22), the inspection plate (19) is arranged at the bottom of the valve body frame (1), and the sealing gasket (20) is fixedly installed at the top of the inspection plate (19).

6. The stacked relief valve for autonomous pressure relief according to claim 5, wherein The connecting buckle (21) is fixedly installed on both sides of the inspection plate (19), the pressure entering plate (22) is fixedly installed at the bottom of the inspection plate (19), and the pressure entering groove (23) is formed between the pressure entering plate (22) and the inspection plate (19).

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