Spring pulse type safety valve

Abstract

The utility model relates to the technical field of safety valves, in particular to a spring pulse type safety valve. Comprising a safety valve body, an adjuster is arranged on the surface of the upper end of the safety valve body, a communicating pipe fixedly communicates with one side of the bottom end of the safety valve body, an auxiliary pipe is installed on one side of the communicating pipe, and an adjusting device is arranged on the surface of the upper end of the safety valve body and corresponds to the adjuster; the bottom end of the fixing ring is rotationally connected with the upper surface of the safety valve body, a protection frame is inserted into the inner wall of the fixing ring, the adjuster is located on the inner walls of the protection frame and the fixing ring, fixing frames are fixedly connected to the two sides of the fixing ring, rotating rods are rotationally connected to the inner walls of the fixing frames, and connecting frames are fixedly connected to the positions, corresponding to the rotating rods, of the surface of the protection frame. The section of the connecting frame is in a U shape, and the inner wall of the connecting frame is connected with the surface of the rotating rod in a clamped mode. The spring pulse type safety valve has the advantage that the regulator at the upper end of the safety valve can be conveniently protected and limited.

Description

Technical Field

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

[0002] A spring-loaded safety valve relies on the elastic pressure of a spring to lock the valve, plunger or other sealing parts of the valve. Once the pressure in the pressure vessel is abnormal, the high pressure generated will overcome the tension spring pressure of the safety valve, so the locking device will be pushed open, forming a pressure relief channel to release the high pressure. This is more common in safety valve equipment.

[0003] Prior art includes a utility model with announcement number CN216200906U, which discloses a tension spring safety valve, which includes a valve body, a valve seat, a valve disc, an upper cover, a valve stem, a guide sleeve, an adjusting spring assembly and a recoil disc. An air inlet and a discharge port are provided on the valve body, and the upper opening of the valve body is sealed and connected to the upper cover; an air inlet connector is installed at the air inlet, and the valve seat is assembled at the end of the air inlet connector extending into the valve body; the guide sleeve is press-fitted into the valve body by the upper cover, and the recoil disc is slidably assembled in the guide sleeve, and the valve disc is assembled at the bottom of the recoil disc, and the valve disc is sealed and matched with the valve seat; the lower end of the valve stem passes through the upper cover and the adjusting tension spring assembly and is connected to the upper end of the recoil disc; the upper end of the valve stem passes through the adjusting screw of the tension spring adjusting assembly.

[0004] It was found in the safety valve facilities that during the operation of the spring pulse safety valve, it is necessary to use the regulator at the upper end of the safety valve to perform pressure relief adjustment operations on the safety valve. During this process, it is easy for the regulator to be accidentally touched, which may cause the entire safety valve to fail to work normally. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that during the operation and use of the spring pulse safety valve, it is necessary to use a regulator at the upper end of the safety valve to perform pressure relief adjustment operation on the safety valve. During this process, it is easy to accidentally touch the regulator, which in turn causes the entire safety valve to be unable to be used normally.

[0006] In order to solve the above technical problems, the utility model provides a spring pulse safety valve, comprising: a safety valve body, a regulator is arranged on the upper end surface of the safety valve body, a connecting pipe is fixedly connected to one side of the bottom end of the safety valve body, an auxiliary pipe is installed on one side of the connecting pipe, an adjusting device is arranged on the upper end surface of the safety valve body corresponding to the position of the regulator, the adjusting device comprises a fixing ring, the bottom end of the fixing ring is rotatably connected to the upper surface of the safety valve body, a protective frame is inserted into the inner wall of the fixing ring, the regulator is located between the protective frame and the inner wall of the fixing ring, both sides of the fixing ring are fixedly connected with fixing frames, the inner wall of the fixing frame is rotatably connected with a rotating rod, a connecting frame is fixedly connected to the position of the rotating rod on the surface of the protective frame, the cross section of the connecting frame is "U"-shaped, the inner wall of the connecting frame is snap-connected with the surface of the rotating rod, the arc surface of the rotating rod is movably connected with a limiting frame, the cross section of the limiting frame is "L"-shaped, and one end of the limiting frame is inserted into the surface of the connecting frame.

[0007] The effect achieved by the above-mentioned components is: during the operation and use of the spring pulse safety valve, it is necessary to use the regulator at the upper end of the safety valve to perform pressure relief adjustment operation on the safety valve. During this process, in order to avoid accidental touching of the regulator, the position of the entire regulator is protected and fixed by the limit between the fixing ring and the protective frame. After the protective frame and the fixing ring are plugged in, the rotating rods on both sides of the fixing ring are rotated to allow the rotating rods to be snap-connected and fixed to the connecting frame on the surface of the protective frame. After that, the limit frame is plugged in to the connecting frame, so as to effectively and conveniently limit the position of the entire protective frame, thereby facilitating better protection of the regulator.

[0008] Preferably, both ends of the inner wall of the fixing frame are sleeved with coil springs, and both ends of the coil spring are fixedly connected to the rotating rod and the fixing frame respectively.

[0009] The effect achieved by the above components is that the torsional force generated by the coil spring can effectively squeeze and limit the position of the rotating rod.

[0010] Preferably, a tension spring is slidably connected to the arc surface at the upper end of the rotating rod, and two ends of the tension spring are respectively fixedly connected to the upper end of the rotating rod and the surface of the limiting frame.

[0011] The effect achieved by the above components is that the position of the limit frame can be better fixed by utilizing the extrusion force generated by the tension spring, thereby preventing the limit frame from sliding off.

[0012] Preferably, a pull ring is rotatably connected to the upper end surface of the protective frame, and the cross-section of the pull ring is circular.

[0013] The effect achieved by the above components is that when the position of the protective frame is moved and adjusted, the pull ring with a circular cross-section can be used for auxiliary operation.

[0014] Preferably, an auxiliary device is provided on the surface of one end of the connecting tube close to the auxiliary tube, and the auxiliary device includes two positioning frames, one ends of the two positioning frames are fixedly connected to the surface of the connecting tube, and the two positioning frames are respectively located on both sides of the connecting tube, and the inner walls of the positioning frames are rotatably connected with a rotating plate, and the cross-section of the rotating plate is "L"-shaped, and a connecting hole is provided on the surface of one end of the rotating plate close to the auxiliary tube, and a positioning rod is fixedly connected to the position of the auxiliary tube surface corresponding to the connecting hole, and the arc surface of the positioning rod slides through the inner wall of the connecting hole, and the arc surface of the positioning rod is threadedly connected to a rotating shaft, and a plurality of clamping columns are fixedly connected to the surface of the auxiliary tube close to the connecting tube, and a clamping groove is provided on the surface of the connecting tube corresponding to the clamping column, and the inner wall of the clamping groove is plugged into the surface of the clamping column.

[0015] The effect achieved by the above components is: after the safety valve has been operated for a long time, in order to facilitate the docking and replacement of the connecting pipe and the auxiliary pipe installed on one side of the safety valve, the clamping column at one end of the auxiliary pipe and the clamping groove opened on one side of the connecting pipe are used for plug-in and limiting, and then the rotating plates on both sides of the connecting pipe are rotated to allow the connecting holes opened on the surface of the rotating plate to be plugged into the positioning rods at both ends of the auxiliary pipe, and then the rotating axis on the surface of the positioning rod is rotated, so that the entire auxiliary pipe and the connecting pipe can be conveniently docked and fixed.

[0016] Preferably, the arc surface of the positioning rod is sleeved with a protective ring, and one side surface of the protective ring abuts against the bottom end surface of the rotating shaft.

[0017] The effect achieved by the above components is that the protective ring can effectively protect the rotating shaft to prevent the rotating shaft from loosening and falling off.

[0018] Preferably, the cross section of the connecting hole is vertical, and the cross section size of the connecting hole is matched with the cross section size of the positioning rod.

[0019] The effect achieved by the above-mentioned components is that the connection hole with a vertical cross section can be effectively inserted and limited with the positioning rod.

[0020] Compared with the related art, the spring pulse safety valve provided by the utility model has the following beneficial effects:

[0021] The utility model provides a spring pulse safety valve. During the operation and use of the spring pulse safety valve, it is necessary to use a regulator at the upper end of the safety valve to perform pressure relief adjustment operation on the safety valve. During this process, in order to avoid accidental touching of the regulator, the position of the entire regulator is protected and fixed by the limit between the fixing ring and the protection frame. After the protection frame and the fixing ring are plugged in, the rotating rods on both sides of the fixing ring are rotated to allow the rotating rods to be clamped and fixed to the connecting frame on the surface of the protection frame. After that, the limit frame and the connecting frame are plugged in. Through the operation of the adjustment device, the position of the entire protection frame is effectively and conveniently limited, which is convenient for better protection of the regulator.

[0022] After the safety valve has been operated for a long time, in order to facilitate the docking and replacement of the connecting pipe and the auxiliary pipe installed on one side of the safety valve, the clamping column at one end of the auxiliary pipe is used to plug and limit the position with the clamping groove opened on one side of the connecting pipe, and then the rotating plates on both sides of the connecting pipe are rotated to allow the connecting holes opened on the surface of the rotating plate to be plugged with the positioning rods at both ends of the auxiliary pipe, and then the rotating axis on the surface of the positioning rod is rotated. Through the operation of the auxiliary device, the entire auxiliary pipe and the connecting pipe can be conveniently docked and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of the spring pulse safety valve provided by the utility model;

[0024] Figure 2 for Figure 1 The structural schematic diagram of the regulating device shown;

[0025] Figure 3 for Figure 2 The enlarged structural diagram of A shown;

[0026] Figure 4 for Figure 1 A schematic diagram of the structure of the auxiliary device shown;

[0027] Figure 5 for Figure 4 Schematic diagram of the disassembled structure of the auxiliary device shown.

[0028] Numbers in the figure: 1. Safety valve body; 2. Connecting pipe; 3. Regulator; 4. Adjusting device; 41. Fixing ring; 42. Protective frame; 43. Pull ring; 44. Connecting frame; 45. Fixing frame; 46. Rotating rod; 47. Coil spring; 48. Limiting frame; 49. Tension spring; 5. Auxiliary device; 51. Positioning frame; 52. Rotating plate; 53. Positioning rod; 54. Rotating shaft; 55. Protective ring; 56. Connecting hole; 57. Slot; 58. Clamping column; 6. Auxiliary pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0031] See also Figures 1 to 5 The spring pulse safety valve provided by the embodiment of the utility model comprises: a safety valve body 1, a regulator 3 is arranged on the upper end surface of the safety valve body 1, a connecting pipe 2 is fixedly connected to one side of the bottom end of the safety valve body 1, an auxiliary pipe 6 is installed on one side of the connecting pipe 2, an adjusting device 4 is arranged at a position corresponding to the regulator 3 on the upper end surface of the safety valve body 1, and an auxiliary device 5 is arranged on the end surface of the connecting pipe 2 close to the auxiliary pipe 6.

[0032] In the embodiments of the present invention, please refer to Figure 2 and Figure 3 The adjusting device 4 includes a fixing ring 41, the bottom end of which is rotatably connected to the upper surface of the safety valve body 1, a protective frame 42 is inserted into the inner wall of the fixing ring 41, and the regulator 3 is located between the protective frame 42 and the inner wall of the fixing ring 41. Both sides of the fixing ring 41 are fixedly connected with fixing frames 45, and the inner walls of the fixing frames 45 are rotatably connected with rotating rods 46. The surface of the protection frame 42 is fixedly connected with a connecting frame 44 at a position corresponding to the rotating rod 46. The cross-section of the connecting frame 44 is "U"-shaped, and the inner wall of the connecting frame 44 is snap-fitted with the surface of the rotating rod 46. The arc surface of the rod 46 is movably connected to the limit frame 48, and the cross section of the limit frame 48 is "L"-shaped. One end of the limit frame 48 is plugged into the surface of the connecting frame 44. Both ends of the inner wall of the fixing frame 45 are sleeved with coil springs 47, and the two ends of the coil spring 47 are respectively fixedly connected to the rotating rod 46 and the fixing frame 45. The upper end arc surface of the rotating rod 46 is slidably connected with a tension spring 49, and the two ends of the tension spring 49 are respectively fixedly connected to the upper end of the rotating rod 46 and the surface of the limit frame 48. The upper end surface of the protective frame 42 is rotatably connected with a pull ring 43, and the cross section of the pull ring 43 is circular;

[0033] In the embodiments of the present invention, please refer to Figure 4 and Figure 5The auxiliary device 5 includes two positioning frames 51, one end of each of the two positioning frames 51 is fixedly connected to the surface of the connecting pipe 2, and the two positioning frames 51 are respectively located on both sides of the connecting pipe 2. The inner walls of the positioning frames 51 are rotatably connected with a rotating plate 52, and the cross section of the rotating plate 52 is "L"-shaped. A connecting hole 56 is opened on the surface of one end of the rotating plate 52 close to the auxiliary pipe 6. A positioning rod 53 is fixedly connected to the position of the auxiliary pipe 6 corresponding to the connecting hole 56. The arc surface of the positioning rod 53 slides through the inner wall of the connecting hole 56. The arc surface of the positioning rod 53 is threadedly connected with a rotating shaft 54, and a plurality of clamping columns 58 are fixedly connected to the surface of one end of the auxiliary pipe 6 close to the connecting pipe 2. A clamping groove 57 is provided on the surface of the connecting pipe 2 at a position corresponding to the clamping column 58, and the inner wall of the clamping groove 57 is plugged with the surface of the clamping column 58. The arc surface of the positioning rod 53 is sleeved with a protective ring 55, and one side surface of the protective ring 55 is in contact with the bottom end surface of the rotating shaft 54. The cross section of the connecting hole 56 is vertical, and the cross-sectional size of the connecting hole 56 is adapted to the cross-sectional size of the positioning rod 53.

[0034] The working principle of the spring pulse safety valve provided by the utility model is as follows: during the operation and use of the spring pulse safety valve, it is necessary to use the regulator 3 at the upper end of the safety valve to perform pressure relief adjustment operation on the safety valve. During this process, in order to avoid accidental touching of the regulator 3, the protective frame 42 is first plugged into the fixed ring 41, and then the rotating rods 46 on both sides of the fixed ring 41 are rotated to allow the rotating rods 46 to be clamped and fixed to the connecting frame 44 on the surface of the protective frame 42, and then the limiting frame 48 is slid to allow one end of the limiting frame 48 to be plugged into the surface of the connecting frame 44, thereby effectively and conveniently limiting the position of the entire protective frame 42, and facilitating better protection of the regulator 3.

[0035] After the safety valve has been operated for a long time, in order to facilitate the docking and replacement of the connecting pipe 2 and the auxiliary pipe 6 installed on one side of the safety valve, the clamping column 58 at one end of the auxiliary pipe 6 is plugged into the clamping groove 57 opened on one side of the connecting pipe 2, and then the rotating plates 52 on both sides of the connecting pipe 2 are rotated to allow the connecting holes 56 opened on the surface of the rotating plates 52 to slide through the positioning rods 53 at both ends of the auxiliary pipe 6, and then the rotating shaft 54 ​​on the surface of the positioning rod 53 is rotated, so that the entire auxiliary pipe 6 and the connecting pipe 2 can be conveniently docked and fixed.

[0036] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Spring pulse safety valve, characterized in that: include: A safety valve body (1), wherein a regulator (3) is arranged on the upper end surface of the safety valve body (1), a connecting pipe (2) is fixedly connected to one side of the bottom end of the safety valve body (1), an auxiliary pipe (6) is installed on one side of the connecting pipe (2), an adjusting device (4) is arranged at a position on the upper end surface of the safety valve body (1) corresponding to the regulator (3), the adjusting device (4) comprises a fixing ring (41), the bottom end of the fixing ring (41) is rotatably connected to the upper surface of the safety valve body (1), a protective frame (42) is inserted into the inner wall of the fixing ring (41), and the regulator (3) is located between the protective frame (42) and the fixing ring (41). The fixing ring (41) is fixedly connected to an inner wall of the fixing ring (41), both sides of the fixing ring (41) are fixedly connected to fixing frames (45), the inner walls of the fixing frames (45) are rotatably connected to rotating rods (46), the surface of the protection frame (42) is fixedly connected to a connecting frame (44) at a position corresponding to the rotating rod (46), the cross section of the connecting frame (44) is "U"-shaped, the inner wall of the connecting frame (44) is snap-fitted to the surface of the rotating rod (46), the arc surface of the rotating rod (46) is movably connected to a limiting frame (48), the cross section of the limiting frame (48) is "L"-shaped, and one end of the limiting frame (48) is plugged into the surface of the connecting frame (44).

2. The spring pulse safety valve according to claim 1, characterized in that: Both ends of the inner wall of the fixing frame (45) are sleeved with coil springs (47), and both ends of the coil spring (47) are fixedly connected to the rotating rod (46) and the fixing frame (45) respectively.

3. The spring pulse safety valve according to claim 1, characterized in that: The arc surface at the upper end of the rotating rod (46) is slidably connected to a tension spring (49), and the two ends of the tension spring (49) are respectively fixedly connected to the upper end of the rotating rod (46) and the surface of the limiting frame (48).

4. The spring pulse safety valve according to claim 1, characterized in that: The upper end surface of the protection frame (42) is rotatably connected to a pull ring (43), and the cross section of the pull ring (43) is circular.

5. The spring pulse safety valve according to claim 1, characterized in that: An auxiliary device (5) is provided on the surface of one end of the connecting pipe (2) close to the auxiliary pipe (6), and the auxiliary device (5) comprises two positioning frames (51), one end of each of the two positioning frames (51) is fixedly connected to the surface of the connecting pipe (2), and the two positioning frames (51) are respectively located on both sides of the connecting pipe (2), and the inner walls of the positioning frames (51) are rotatably connected to a rotating plate (52), and the cross section of the rotating plate (52) is "L"-shaped, and a connecting hole (56) is provided on the surface of one end of the rotating plate (52) close to the auxiliary pipe (6). A positioning rod (53) is fixedly connected to a position of the auxiliary tube (6) at a surface corresponding to the connection hole (56); the arc surface of the positioning rod (53) slides through the inner wall of the connection hole (56); the arc surface of the positioning rod (53) is threadedly connected to a rotating shaft (54); a plurality of clamping columns (58) are fixedly connected to a surface of one end of the auxiliary tube (6) close to the connecting tube (2); a clamping groove (57) is provided on the surface of the connecting tube (2) at a position corresponding to the clamping column (58); the inner wall of the clamping groove (57) is plugged into the surface of the clamping column (58).

6. The spring pulse safety valve according to claim 5, characterized in that: The arc surface of the positioning rod (53) is sleeved with a protective ring (55), and a side surface of the protective ring (55) abuts against the bottom end surface of the rotating shaft (54).

7. The spring pulse safety valve according to claim 5, characterized in that: The cross section of the connection hole (56) is vertical, and the cross section size of the connection hole (56) is compatible with the cross section size of the positioning rod (53).

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