Spring full lift safety valve

Abstract

The utility model relates to the technical field of safety valves, and discloses a spring full lift safety valve which comprises a valve body, an installation portion is arranged in the valve body and comprises an inner ring, the inner ring is arranged in the valve body, a connecting rod is fixedly installed at the bottom of the inner ring, an outer ring is fixedly installed at the extending end of the connecting rod, and the outer ring is fixedly connected with the valve body. The bottom of the outer ring is in threaded connection with a fixing bolt, the extending end of the fixing bolt is in threaded connection with the bottom of the valve body, the outer ring is installed through the bottom of the connecting rod, the outer wall of the outer ring is in threaded connection with the fixing bolt, and the extending end of the fixing bolt is in threaded connection with the bottom of the valve body, so that the spring in the valve body is conveniently taken out; an outer ring is installed at the bottom of the connecting rod, a fixing bolt is connected to the outer wall of the outer ring in a threaded mode, and the extending end of the fixing bolt is connected to the bottom of the valve body in a threaded mode, so that the spring in the valve body is conveniently taken out, and the outer ring limits the spring and the sealing plug.

Description

Technical Field

[0001] The utility model relates to the technical field of safety valves, in particular to a spring full-opening safety valve. Background Art

[0002] Spring full-lift safety valve refers to a protective valve that relies on the elastic pressure of the spring to lock the valve or plunger and other sealing parts. Once the pressure of the pressure vessel is abnormal, the high pressure generated will overcome the spring pressure of the safety valve and push the locking device open, forming a pressure relief channel to release the high pressure. The spring full-lift safety valve adjusts the spring locking pressure by rotating the adjusting screw in the valve;

[0003] The publication number is: "CN217874371U". This spring full-open safety valve includes a valve body, a pressure plate is slidably connected in the valve body, a sealing member is slidably connected to the bottom of the valve body, a spring is arranged between the pressure plate and the sealing member, the two ends of the spring are respectively against the upper end of the sealing member and the lower end of the pressure plate, a stabilizing mechanism is arranged at the upper end of the pressure plate, an adjusting screw is inserted at the lower end of the pressure plate, the adjusting screw and the pressure plate are threadedly connected, the upper end of the adjusting screw passes through the pressure plate and is rotatably connected to the inner top of the valve body, and an adjusting mechanism is arranged at the upper end of the adjusting screw. The utility model can adjust the length of the spring by setting the adjusting mechanism, and can prevent the adjusting screw from being corroded and affecting normal use, thereby extending the service life of the adjusting screw.

[0004] However, in actual use, the springs inside the overall structure cannot be replaced after aging, which makes the overall operation more troublesome. Therefore, improvements have been made based on the above-mentioned problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a spring full-open safety valve. The advantage is that a fixing bolt is threadedly connected to the outer wall of the outer ring, and the extended end of the fixing bolt is threadedly connected to the bottom of the valve body, so that the spring in the valve body is convenient to remove, and the outer ring limits the spring and the sealing plug.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring full-open safety valve, comprising a valve body, an installation portion is arranged inside the valve body, the installation portion comprises an inner ring, the inner ring is arranged inside the valve body, a connecting rod is fixedly installed on the bottom of the inner ring, and an outer ring is fixedly installed on the extending end of the connecting rod.

[0007] Preferably, the number of the connecting rods is four groups, and the four groups of connecting rods are symmetrically arranged at equal intervals. The bottom of the outer ring is threadedly connected with a fixing bolt, and the extended end of the fixing bolt is threadedly connected to the bottom of the valve body. The outer ring is installed through the bottom of the connecting rod, and the fixing bolt is threadedly connected to the outer wall of the outer ring, and the extended end of the fixing bolt is threadedly connected to the bottom of the valve body, thereby facilitating the removal of the spring in the valve body, and the outer ring limits the spring and the sealing plug.

[0008] Preferably, a sealing plug ring is installed at the bottom of the outer ring, and the number of the fixing bolts is several groups symmetrically installed at the bottom of the fixing bolts.

[0009] Preferably, a bearing 1 is fixedly mounted on the inner wall of the valve body, a worm is fixedly mounted on the inner wall of the bearing 1, and a knob is detachably mounted on the extending end of the worm.

[0010] Preferably, a transmission rod is threadedly connected to the worm gear, a protective plate is installed at the bottom of the transmission rod, and a spring is fixedly connected to the bottom of the protective plate. A sealing block is fixedly installed at the extended end of the spring, and a sealing plug ring is provided on the inner wall of the outer ring, thereby strengthening the sealing of the overall valve body and preventing water leakage from the bottom of the valve body.

[0011] Preferably, the protective plate on the spring is equipped with a slide bar, and the slide bar is detachably arranged, and the knob is threadedly connected to the top end of the worm.

[0012] Compared with the prior art, the utility model provides a spring full-open safety valve, which has the following beneficial effects:

[0013] 1. This spring full-open safety valve has an outer ring installed at the bottom of the connecting rod, a fixing bolt is threadedly connected to the outer wall of the outer ring, and the extended end of the fixing bolt is threadedly connected to the bottom of the valve body, so as to facilitate the removal of the spring in the valve body, and the outer ring limits the spring and the sealing plug.

[0014] 2. This spring full-open safety valve has a sealing plug ring arranged on the inner wall of the outer ring, thereby strengthening the sealing of the entire valve body and preventing water leakage from the bottom of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the A enlarged structure of the utility model.

[0019] In the figure: 1. valve body; 21. mounting portion; 211. inner ring; 212. connecting rod; 214. outer ring; 215. fixing bolt; 22. sealing plug ring; 3. bearing 1; 4. worm; 5. knob; 6. transmission rod; 7. spring; 8. sealing block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0021] like Figure 1-3 As shown, the utility model provides a spring full-open safety valve, including a valve body 1, an installation portion 21 is arranged inside the valve body 1, and the installation portion 21 includes an inner ring 211, the inner ring 211 is arranged inside the valve body 1, a connecting rod 212 is fixedly installed at the bottom of the inner ring 211, and an outer ring 214 is fixedly installed at the extended end of the connecting rod 212. The number of the connecting rods 212 is four groups, and the four groups of connecting rods 212 are symmetrically arranged at equal intervals. The bottom of the outer ring 214 is threadedly connected with a fixing bolt 215, and the extended end of the fixing bolt 215 is threadedly connected to the bottom of the valve body 1. The outer ring 214 is installed through the bottom of the connecting rod 212, and the fixing bolt 215 is threadedly connected to the outer wall of the outer ring 214, and the extended end of the fixing bolt 215 is threadedly connected to the bottom of the valve body 1, so as to facilitate the removal of the spring 7 in the valve body 1, and the outer ring 214 limits the spring 7 and the sealing plug.

[0022] In this embodiment, an outer ring 214 is installed at the bottom of the connecting rod 212, and a fixing bolt 215 is threadedly connected to the outer wall of the outer ring 214, and the extended end of the fixing bolt 215 is threadedly connected to the bottom of the valve body 1, so that the spring 7 in the valve body 1 is easily removed, and the outer ring 214 limits the spring 7 and the sealing plug. Example 2

[0023] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: a sealing plug ring 22 is installed at the bottom of the outer ring 214, the number of fixing bolts 215 is several groups symmetrically installed at the bottom of the fixing bolts 215, a bearing 3 is fixedly installed on the inner wall of the valve body 1, a worm 4 is fixedly installed on the inner wall of the bearing 3, a knob 5 is detachably installed on the extended end of the worm 4, a transmission rod 6 is threadedly connected to the worm 4, a protective plate is installed at the bottom of the transmission rod 6, and a spring 7 is fixedly connected to the bottom of the protective plate, a sealing block 8 is fixedly installed at the extended end of the spring 7, and a sealing plug ring 22 is arranged on the inner wall of the outer ring 214, so as to strengthen the sealing of the overall valve body 1 and prevent water leakage from the bottom of the valve body 1, a sliding rod is installed on the protective plate on the spring 7, and the sliding rod is detachably arranged, and the knob 5 is threadedly connected to the top of the worm 4.

[0024] In this embodiment, a sealing plug ring 22 is provided on the inner wall of the outer ring 214 , thereby strengthening the sealing of the entire valve body 1 and preventing water leakage from the bottom of the valve body 1 .

[0025] The following is a detailed description of the working principle of this spring full-lift safety valve.

[0026] like Figure 1-3 As shown, when in use, an inner ring 211 is provided inside the valve body 1, and a connecting rod 212 is installed at the bottom of the inner ring 211, and an outer ring 214 is installed at the bottom of the connecting rod 212, a fixing bolt 215 is threadedly connected to the outer wall of the outer ring 214, and the extended end of the fixing bolt 215 is threadedly connected to the bottom of the valve body 1, so as to facilitate the removal of the spring 7 in the valve body 1, and the outer ring 214 limits the spring 7 and the sealing plug, and a sealing plug ring 22 is provided on the inner wall of the outer ring 214, thereby strengthening the sealing of the overall valve body 1 and preventing water leakage at the bottom of the valve body 1.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spring full-lift safety valve, comprising a valve body (1), characterized in that: The valve body (1) is provided with a mounting portion (21) inside, the mounting portion (21) comprising an inner ring (211), the inner ring (211) being arranged inside the valve body (1), a connecting rod (212) being fixedly mounted on the bottom of the inner ring (211), an outer ring (214) being fixedly mounted on the extended end of the connecting rod (212); the connecting rods (212) are provided in four groups, the four groups of connecting rods (212) being symmetrically arranged at equal intervals, a fixing bolt (215) being threadedly connected to the bottom of the outer ring (214), and an extended end of the fixing bolt (215) being threadedly connected to the bottom of the valve body (1).

2. A spring full-lift safety valve according to claim 1, characterized in that: A sealing plug ring (22) is installed at the bottom of the outer ring (214), and the fixing bolts (215) are provided in a plurality of groups symmetrically installed at the bottom of the fixing bolts (215).

3. A spring full-lift safety valve according to claim 1, characterized in that: A bearing 1 (3) is fixedly mounted on the inner wall of the valve body (1), a worm (4) is fixedly mounted on the inner wall of the bearing 1 (3), and a knob (5) is detachably mounted on the extended end of the worm (4).

4. A spring full-lift safety valve according to claim 3, characterized in that: A transmission rod (6) is threadedly connected to the worm (4), a protective plate is installed at the bottom of the transmission rod (6), and a spring (7) is fixedly connected to the bottom of the protective plate, and a sealing block (8) is fixedly installed at the extended end of the spring (7).

5. A spring full-lift safety valve according to claim 4, characterized in that: The protective plate on the spring (7) is provided with a slide bar, and the slide bar is detachably arranged, and the knob (5) is threadedly connected to the top end of the worm (4).

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