Durable safety valve

Abstract

The utility model discloses a durable safety valve which comprises a main body, a jacking assembly, an adjusting assembly and a protection assembly, the jacking assembly is arranged in the main body, the adjusting assembly is arranged above the jacking assembly, the protection assembly is arranged on one side of the main body, and a protection plate is arranged in the main body, so that the durability of the safety valve is improved. The mounting shell is provided with a locking groove matched with the locking rod, the pull rod is provided with a movable hole for the locking rod to move, and when the main body is connected with an external pipeline, the pull rod is pulled to drive the gear ring to rotate in the mounting shell, the gear ring drives the gear to rotate, and the gear drives the other set of gears to rotate synchronously through the connecting shaft. And the other set of gears drives a protection plate through a rack to be matched with the size of an external pipeline, connection is achieved through threads, therefore, pipelines of different sizes are connected, meanwhile, the protection plate protects the connecting position of a connecting opening and the external pipeline, and the problem that adapters of different sizes are needed for connection and protection is solved through the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to a safety valve technology specifically, relate to a durable safety valve. BACKGROUND

[0002] Safety valve is the closing piece under the action of external force and is in the normally closed state, when the medium pressure in the equipment or pipeline rises more than the specified value, the special valve is prevented that the medium pressure in the pipeline or equipment exceeds the specified value through the medium discharge to the system.

[0003] The existing safety valve is connected to the pipeline by the flange in the use process, when facing the pipeline of different pipe opening size, needs to use the external adapter to install, and when the article placed at the high place falls or the surrounding personnel carries the article and accidentally collides with the part connected with the external pipeline, the part connected with the external pipeline is easy to be damaged, thereby influence the service life of safety valve.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENT

[0005] For the problems in the related art, the utility model provides a durable safety valve to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A durable safety valve, including main part, jacking assembly, adjusting assembly and protection assembly, the jacking assembly is arranged in the inside of main part, the adjusting assembly is arranged above the jacking assembly, the protection assembly is arranged at one side of main part.

[0008] The utility model further discloses: the protection assembly includes installation shell, gear ring, pull rod, locking rod, gear, rack and protection plate, the installation shell sets up at one side of main part, the gear ring sets up in the inside of installation shell, the pull rod sets up at one side of gear ring, the locking rod sets up at one side of pull rod, the gear sets up at one side of gear ring and is connected through sawtooth engagement, one side of the gear is fixedly connected with another group of gears, the rack sets up at one side of another group of gears and is connected through sawtooth engagement, the protection plate sets up at one side of installation shell.

[0009] The utility model further discloses: the adjusting assembly includes installation sleeve, adjusting rod, movable plate and spring, the installation sleeve sets up above main part, the adjusting rod sets up in the inside of installation sleeve, the movable plate sets up at one end of adjusting rod, the spring sets up below movable plate, and the lower end of spring is fixedly connected with another group of movable plates.

[0010] The utility model further illustrates: the top up assembly includes fixed plate, reset spring, plug board and connecting rod, fixed plate sets up inside the main part, reset spring sets up below fixed plate, plug board sets up below reset spring, connecting rod sets up above plug board, fixed plate is fixedly connected with main part.

[0011] The utility model further illustrates: the main part's below is provided with the access, the main part's one side is provided with the output, the output's outside and protection subassembly mounting connection.

[0012] The utility model further illustrates: one end of reset spring is fixedly connected with fixed plate, the other end of reset spring is fixedly connected with plug board.

[0013] The utility model discloses a beneficial effect is: through being provided with the protection board, protection board is fixedly connected with rack, installs the shell and sets up the locking groove of mutual adaptation with locking rod, and the one side of protection board is provided with the screw thread, and the movable hole that is provided with locking rod activity is set up on the pull rod, when connecting the main part with the external pipeline, pulls the pull rod and drives the gear ring to rotate in the inside of the installation shell, and the gear ring drives the gear to rotate, and the gear drives another group of gears synchronous rotation through the connecting shaft, and another group of gears drive the protection board to adapt to the size of the external pipeline through the rack, and are connected through the screw thread, thereby realize the pipeline of connecting to different sizes, and the protection board is protected to the connecting mouth and the connecting place of external pipeline,

[0014] Through being provided with the adjusting rod, the outside of adjusting rod is provided with the screw thread, and the installation cover is fixedly connected with the main part, and the installation cover is provided with the screw groove on the top, and is connected with adjusting rod screw thread through the screw groove, and one end of adjusting rod is rotatably connected with the movable plate, when needing to adjust the pressure that the safety valve opens when using, rotates adjusting rod and drives movable plate to adjust up and down in the inside of the main part, makes the pressure that the spring receives increase, thereby adjusts the take-off pressure of spring. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0016] Fig. 1 It is the overall structure schematic diagram according to the embodiment of the utility model;

[0017] Fig. 2 It is the cross section structure schematic diagram according to the embodiment of the utility model;

[0018] Fig. 3 is a protective assembly structure schematic diagram according to the embodiment of the utility model.

[0019] In the drawings:

[0020] 1, main body; 11, access port; 12, output port; 2, jacking assembly; 21, fixed plate; 22, reset spring; 23, plug plate; 24, connecting rod; 3, adjusting assembly; 31, mounting sleeve; 32, adjusting rod; 33, movable plate; 34, spring; 4, protective assembly; 41, mounting shell; 42, gear ring; 43, pull rod; 44, locking rod; 45, gear; 46, rack; 47, protective plate. DETAILED DESCRIPTION

[0021] To further illustrate the embodiments, the utility model provides with drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to the proportion, and similar component symbols are usually used to indicate similar components.

[0022] According to the embodiment of the utility model, a durable safety valve is provided.

[0023] As Figs. 1-3 Indicated, according to the durable safety valve of the embodiment of the utility model, including main body 1, jacking assembly 2, adjusting assembly 3 and protective assembly 4, jacking assembly 2 is arranged in the inside of main body 1, adjusting assembly 3 is arranged above jacking assembly 2, and protective assembly 4 is arranged at one side of main body 1.

[0024] The protection assembly 4 comprises a mounting shell 41, a gear ring 42, a pull rod 43, a locking rod 44, a gear 45, a rack 46 and a protection plate 47, the mounting shell 41 is arranged on one side of the main body 1, the gear ring 42 is arranged inside the mounting shell 41, the pull rod 43 is arranged on one side of the gear ring 42, the locking rod 44 is arranged on one side of the pull rod 43, the gear 45 is arranged on one side of the gear ring 42 and is connected through meshing, one side of the gear 45 is fixedly connected with another group of gears 45, the rack 46 is arranged on one side of the other group of gears 45 and is connected through meshing, the protection plate 47 is arranged on one side of the mounting shell 41 and is fixedly connected with the rack 46, a locking groove matched with the locking rod 44 is arranged on the mounting shell 41, one side of the protection plate 47 is provided with a thread, the pull rod 43 is provided with a movable hole for the locking rod 44 to move, when the main body 1 is connected with an external pipeline, the pull rod 43 is pulled to drive the gear ring 42 to rotate inside the mounting shell 41, the gear ring 42 drives the gear 45 to rotate, the gear 45 drives the other group of gears 45 to rotate synchronously through the connecting shaft, the other group of gears 45 drives the protection plate 47 to adapt to the size of the external pipeline through the rack 46, and the protection plate 47 is connected through the thread, so that the pipelines of different sizes are connected, and the protection plate 47 protects the connection between the connection port and the external pipeline.

[0025] The adjusting assembly 3 comprises a mounting sleeve 31, an adjusting rod 32, a movable plate 33 and a spring 34, the mounting sleeve 31 is arranged above the main body 1, the adjusting rod 32 is arranged inside the mounting sleeve 31, the movable plate 33 is arranged at one end of the adjusting rod 32, and the spring 34 is arranged below the movable plate 33, the lower end of the spring 34 is fixedly connected with another group of movable plates 33, the outer side of the adjusting rod 32 is provided with a thread, the mounting sleeve 31 is fixedly connected with the main body, the mounting sleeve 31 is provided with a threaded groove and is connected with the adjusting rod 32 through the threaded groove, and one end of the adjusting rod 32 is rotationally connected with the movable plate 33, when the pressure at which the safety valve is opened needs to be adjusted, the adjusting rod 32 is rotated to drive the movable plate 33 to be adjusted up and down inside the main body 1, so that the pressure borne by the spring 34 is increased, thereby adjusting the take-off pressure of the spring 34.

[0026] The jacking assembly 2 comprises a fixed plate 21, a reset spring 22, a plug plate 23 and a connecting rod 24, the fixed plate 21 is arranged inside the main body 1, the reset spring 22 is arranged below the fixed plate 21, the plug plate 23 is arranged below the reset spring 22, and the connecting rod 24 is arranged above the plug plate 23, and the fixed plate 21 is fixedly connected with the main body 1.

[0027] The main body 1 is provided with a connection port 11 below, one side of the main body 1 is provided with an output port 12, and the outer side of the output port 12 is connected with the protection assembly 4.

[0028] One end of the reset spring 22 is fixedly connected with the fixed plate 21, and the other end of the reset spring 22 is fixedly connected with the plug plate 23.

[0029] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0030] In actual application, the protection plate 47 is fixedly connected with the rack 46, the locking groove which is matched with the locking rod 44 is arranged on the installation shell 41, one side of the protection plate 47 is provided with a thread, the movable hole which is used for the locking rod 44 to move is arranged on the pull rod 43, when the main body 1 and the external pipeline are connected, the pull rod 43 is pulled to drive the gear ring 42 to rotate in the inside of the installation shell 41, the gear ring 42 drives the gear 45 to rotate, the gear 45 drives the other group of gears 45 to rotate synchronously through the connecting shaft, the other group of gears 45 drives the protection plate 47 to adapt to the size of the external pipeline through the rack 46, and the protection plate 47 is connected through the thread, so that the pipelines with different sizes are connected, meanwhile, the protection plate 47 protects the connection between the connecting port and the external pipeline, the outside of the adjusting rod 32 is provided with a thread, the installation sleeve 31 is fixedly connected with the main body, the installation sleeve 31 is provided with a thread groove on the upper side and is connected with the adjusting rod 32 through the thread groove, one end of the adjusting rod 32 is rotatably connected with the movable plate 33, when the safety valve is used, the pressure of the safety valve needs to be adjusted, the adjusting rod 32 is rotated to drive the movable plate 33 to be adjusted up and down in the inside of the main body 1, so that the pressure received by the spring 34 is increased, thereby the take-off pressure of the spring 34 is adjusted.

[0031] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A durable safety valve characterized by, The utility model provides a kind of lifting device, including main body (1), jacking assembly (2), adjusting assembly (3) and protection assembly (4), the jacking assembly (2) is arranged inside main body (1), the adjusting assembly (3) is arranged above jacking assembly (2), the protection assembly (4) is arranged on one side of main body (1).

2. A durable safety valve according to claim 1, wherein The protection assembly (4) includes mounting shell (41), gear ring (42), pull rod (43), locking rod (44), gear (45), rack (46) and protection plate (47), the mounting shell (41) is arranged on one side of main body (1), the gear ring (42) is arranged inside mounting shell (41), the pull rod (43) is arranged on one side of gear ring (42), the locking rod (44) is arranged on one side of pull rod (43), the gear (45) is arranged on one side of gear ring (42) and is connected by sawtooth engagement, one side of the gear (45) is fixedly connected with another set of gear (45), the rack (46) is arranged on one side of another set of gear (45) and is connected by sawtooth engagement, the protection plate (47) is arranged on one side of mounting shell (41).

3. A durable safety valve according to claim 1, wherein The adjusting assembly (3) includes mounting sleeve (31), adjusting rod (32), movable plate (33) and spring (34), the mounting sleeve (31) is arranged above main body (1), the adjusting rod (32) is arranged inside mounting sleeve (31), the movable plate (33) is arranged on one end of adjusting rod (32), the spring (34) is arranged below movable plate (33), and the lower end of the spring (34) is fixedly connected with another set of movable plate (33).

4. A durable safety valve according to claim 1, wherein The jacking assembly (2) includes fixed plate (21), reset spring (22), plug plate (23) and connecting rod (24), the fixed plate (21) is arranged inside main body (1), the reset spring (22) is arranged below fixed plate (21), the plug plate (23) is arranged below reset spring (22), the connecting rod (24) is arranged above plug plate (23), and the fixed plate (21) is fixedly connected with main body (1).

5. A durable safety valve according to claim 1, wherein The lower side of the main body (1) is provided with an inlet (11), and one side of the main body (1) is provided with an outlet (12), and the outer side of the outlet (12) is connected with the protection assembly (4).

6. A durable safety valve according to claim 4, wherein One end of the reset spring (22) is fixedly connected with the fixed plate (21), and the other end of the reset spring (22) is fixedly connected with the plug plate (23).

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