Ammonia gas valve convenient to maintain

Abstract

The utility model discloses an ammonia gas valve convenient to maintain, which relates to the technical field of valves, and comprises a valve main body, two sides of the valve main body are communicated with connecting ends, and the end surfaces of the connecting ends are in butt joint with locking components; the locking assembly comprises a butt joint ring making contact with the end face of the connecting end, the outer wall of the curved surface of the butt joint ring is sleeved with a driving ring, and an inner sleeve ring extending into the connecting end is fixed to the end face of the butt joint ring. The locking assembly is matched with the connecting end of the valve, when the valve body is disassembled and assembled, the applied external force can be removed only by applying the external force to the driving ring with the hand, the valve is made to be close to one end of the butt joint ring and cannot move continuously, and at the moment, the clamping base is connected to the outer wall of the arc piece in a sleeved mode; the valve is firmly in butt joint with the conveying pipe through the locking assembly, in this way, the valve can be conveniently disassembled by workers in the follow-up process, and the workload of maintenance workers can be conveniently reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a kind of ammonia valve for easy maintenance. BACKGROUND

[0002] Ammonia has colorless, strong pungent odor, when it is dissolved in water, ammonia molecule and water molecule are combined into monohydrate ammonia by hydrogen bond, and monohydrate ammonia can partially ionize into ammonium ion and hydroxyl ion, so ammonia water shows weak alkaline, and further ammonia gas and liquid ammonia stored in ammonia tank have certain corrosivity, and the ball valve for ammonia gas needs to have good corrosion resistance. Due to the comprehensive characteristics of stable performance, not easy to age, wide temperature application range and excellent sealing performance, polytetrafluoroethylene packing or polytetrafluoroethylene sealing ring is used in ammonia special ball valve, so that the ammonia special ball valve has good corrosion resistance.

[0003] However, the valve of the present stage has certain defects in the process of using, the valve and the pipeline of ammonia gas conveying adopt flange butt joint, need to rotate multiple bolts one by one to complete disassembly and assembly, due to the influence of external environment humidity factor, bolt corrosion causes bolt to be more difficult to rotate, and there is difficulty for subsequent manual maintenance operation, therefore, a kind of ammonia valve for easy maintenance is proposed. UTILITY MODEL CONTENT

[0004] Based on this, the purpose of the utility model is to provide a kind of ammonia valve for easy maintenance to solve the technical problems proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ammonia valve for easy maintenance, including valve main body, the two sides of the valve main body are connected with connecting end, the end face of the connecting end is butt joint with locking assembly;

[0006] Locking assembly includes the butt joint ring in contact with the end face of connecting end, the curved surface outer wall of the butt joint ring is sleeved with driving ring, the end face of the butt joint ring is fixed with and extends into the inner sleeve ring in connecting end, the inner sleeve ring is assembled with the conical filter screen extending into the connecting end, the inner sleeve ring is sleeved with the positioning ring fixed with the end of conical filter screen, the outer wall of the conical filter screen is sleeved with the reinforcing rib fixed with the positioning ring, the curved surface outer wall of the connecting end is provided with multiple groups of notches, each group of the notches is fixed with arc piece, and the outer wall of the arc piece is sleeved with the clamping seat fixed with the end face of driving ring.

[0007] As a kind of ammonia valve for easy maintenance of the utility model, the curved surface outer wall of the butt joint ring is assembled with torsion spring, and the two ends of torsion spring extend into driving ring.

[0008] As an optimal technical scheme of the ammonia valve convenient to maintain, the curved outer wall of the inner sleeve ring is fixed with multiple constraint strips, and the inner wall of the connecting end is provided with constraint grooves corresponding to the constraint strips.

[0009] As an optimal technical scheme of the ammonia valve convenient to maintain, the curved inner wall of the butt joint ring is fixed with a grommet, and the grommet is detachably connected with the positioning ring through bolts.

[0010] As an optimal technical scheme of the ammonia valve convenient to maintain, the reinforcing rib is composed of a V-shaped reinforcing rod and a straight reinforcing rod, the U-shaped reinforcing rod is sleeved on the outer wall of the conical filter screen and fixed with the positioning ring, and the straight reinforcing rod is fixed on the outer wall of the V-shaped reinforcing rod, so that the end of the straight reinforcing rod abuts against the curved surface of the connecting end.

[0011] As an optimal technical scheme of the ammonia valve convenient to maintain, the one end of the driving ring away from the connecting end is fixed with multiple handles.

[0012] As an optimal technical scheme of the ammonia valve convenient to maintain, the one end of the butt joint ring away from the connecting end is fixed with multiple handles.

[0013] In summary, the utility model mainly has the following beneficial effects:

[0014] The utility model discloses a locking assembly and the connecting end of the valve are matched, when the valve body is disassembled, only the external force is applied to the driving ring by hand, and the valve is close to the one end of the butt joint ring, and when the valve cannot continue to move, the external force can be removed, at this time, the clamping seat is sleeved on the outer wall of the arc piece, so that the valve is firmly connected with the conveying pipe through the locking assembly, so that the valve can be disassembled conveniently, and the working burden of the maintenance worker can be conveniently reduced. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2 It is the locking assembly and the connecting end structure diagram of the utility model;

[0017] Figure 3 It is the part locking assembly cutaway view of the utility model;

[0018] Figure 4 It is the driving ring end surface cutaway view of the utility model.

[0019] In the drawing: 100, valve body; 200, locking assembly;

[0020] 110, connecting end; 111, notch; 112, arc piece; 113, constraint groove;

[0021] 210, active ring; 211, card seat; 220, butt ring; 230, inner sleeve ring; 240, resistance ring; 250, constraint strip; 260, positioning ring; 270, conical filter screen; 280, reinforcing rib. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0023] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0024] A kind of ammonia valve for easy maintenance, as shown in Figures 1 to 4 It includes valve body 100, and the two sides of valve body 100 are connected with connecting end 110, and the end face of connecting end 110 is butt jointed with locking assembly 200;

[0025] Locking assembly 200 includes the butt ring 220 in contact with the end face of the connecting end 110, the curved outer wall of the butt ring 220 is sleeved with the active ring 210, the end face of the butt ring 220 is fixed with the inner sleeve ring 230 and extends into the connecting end 110, the inner sleeve ring 230 is assembled with the conical filter screen 270 extending into the connecting end 110, the inner sleeve ring 230 is sleeved with the positioning ring 260 fixed with the end of the conical filter screen 270, the outer wall of the conical filter screen 270 is sleeved with the reinforcing rib 280 fixed with the positioning ring 260, and the curved outer wall of the connecting end 110 is provided with a plurality of notches 111, each notch 111 is fixed with an arc piece 112, and the outer wall of the arc piece 112 is sleeved with the card seat 211 fixed with the end face of the active ring 210.

[0026] When installing the valve body 100, the inner sleeve ring 230 is first inserted into the connecting end 110, at this time, external force needs to be applied to the active ring 210 to rotate it, so that the card seat 211 is in a dislocation and adjacent state with the arc piece 112 in the notch 111, at this time, the active ring 210 is continuously pushed to the connecting end 110, until the inner sleeve ring 230 completely enters the connecting end 110, and the card seat 211 also completely enters the notch 111, that is, the external force applied to the active ring 210 can be removed, the active ring 210 will drive the card seat 211 to reverse rotation and reset, the card seat 211 will move in an arc trajectory in the notch 111 until it is sleeved outside the arc piece 112, at this time, the butt ring 220 and the connecting end 110 have been locked, so the installation of the valve body 100 can be completed, when disassembling, reverse operation above can be realized, so that the valve body 100 is convenient and efficient to disassemble.

[0027] Please refer to Figure 1The curved outer wall of the abutment ring 220 is equipped with a torsion spring, and the two ends of the torsion spring extend into the driving ring 210.

[0028] An external rotating force can be applied to the outer wall of the driving ring 210 to make it rotate along the center of the abutment ring 220, causing the torsion spring to compress. When the external force is removed, the torsion spring will release the pressure and make the driving ring 210 rotate in the opposite direction to restore.

[0029] Please refer to Figure 2 and Figure 3 The curved outer wall of the inner sleeve ring 230 is fixed with multiple sets of constraint strips 250, and the inner wall of the connecting end 110 is provided with constraint grooves 113 corresponding to the constraint strips 250.

[0030] The constraint strips 250 can enter the constraint grooves 113 in the connecting end 110 when the valve body 100 is connected, so that the abutment ring 220 does not rotate relative to the abutment ring 220, ensuring the stability and sealing of the abutment.

[0031] Please refer to Figure 2 and Figure 3 The curved inner wall of the abutment ring 220 is fixed with a stop ring 240, which is detachably connected with a positioning ring 260 by bolts. The reinforcing rib 280 is composed of a V-shaped reinforcing rod and a straight reinforcing rod. The U-shaped reinforcing rod is sleeved on the outer wall of the conical filter screen 270 and is fixed with the positioning ring 260. The straight reinforcing rod is fixed on the outer wall of the V-shaped reinforcing rod, so that the end of the straight reinforcing rod abuts against the curved surface of the connecting end 110.

[0032] The stop ring 240 provides the installation position of the positioning ring 260, ensuring that the conical filter screen 270 is stably placed in the connecting end 110. At the same time, the V-shaped reinforcing rod in the reinforcing rib 280 prevents the deformation of the conical filter screen 270, and the straight reinforcing rod abuts against the curved surface of the connecting end 110, which can enhance the strength of the V-shaped reinforcing rod and better prevent the outward deformation of the curved surface of the conical filter screen 270.

[0033] Please refer to Figure 2 and Figure 3 The end of the driving ring 210 away from the connecting end 110 is fixed with multiple sets of handles.

[0034] It is convenient for manual hands to apply external force to the driving ring 210, so that the rotation of the driving ring 210 is time-saving and labor-saving.

[0035] Please refer to Figure 1 The end of the abutment ring 220 away from the connecting end 110 is fixedly connected with the conveying pipe.

[0036] It is convenient to convey the ammonia gas through the valve to the destination.

[0037] In use, when installing the valve body 100, firstly insert the inner sleeve ring 230 into the connecting end 110, at this time, exert an external force on the driving ring 210 to rotate it, so that the clamping seat 211 is in a misaligned and adjacent state with the arc piece 112 in the gap 111, at this time, continue to push the driving ring 210 to move close to the connecting end 110, until the inner sleeve ring 230 is completely inserted into the connecting end 110, and the clamping seat 211 is also completely inserted into the gap 111, then remove the external force exerted on the driving ring 210, the driving ring 210 will drive the clamping seat 211 to rotate reversely and reset, the clamping seat 211 will move in an arc track in the gap 111, until it is sleeved outside the arc piece 112, at this time, the abutting ring 220 and the connecting end 110 are locked, thus the installation of the valve body 100 is completed, when disassembling, reverse the above operation, thus the valve body 100 can be conveniently and efficiently disassembled, the parts not involved in the device are the same as the prior art or can be realized by using the prior art.

[0038] Although the embodiments of the present application have been shown and described, the specific embodiments are merely illustrative of the present application, and are not intended to limit the present application, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, as long as they are within the scope of the claims of the present application.

Claims

1. An ammonia valve for ease of repair, comprising a valve body (100), characterized in that: Both sides of the valve body (100) are connected with connecting ends (110), and the end faces of the connecting ends (110) are connected with locking assemblies (200); The locking assembly (200) comprises a butt joint ring (220) in contact with the end face of the connecting end (110), a driving ring (210) sleeved on the curved outer wall of the butt joint ring (220), an inner sleeve ring (230) fixed on the end face of the butt joint ring (220) and extending into the connecting end (110), a conical filter screen (270) assembled in the inner sleeve ring (230) and extending into the connecting end (110), a positioning ring (260) sleeved in the inner sleeve ring (230) and fixed with the end of the conical filter screen (270), a reinforcing rib (280) sleeved on the outer wall of the conical filter screen (270) and fixed with the positioning ring (260), a plurality of groups of notches (111) formed in the curved outer wall of the connecting end (110), and an arc piece (112) fixed in each group of notches (111), and a clamping seat (211) fixed with the end face of the driving ring (210) and sleeved on the outer wall of the arc piece (112).

2. The ammonia valve according to claim 1, wherein: The curved outer wall of the butt joint ring (220) is assembled with a torsion spring, and the two ends of the torsion spring extend into the driving ring (210).

3. The ammonia valve according to claim 1, wherein: The curved outer wall of the inner sleeve ring (230) is fixed with a plurality of constraint strips (250), and the inner wall of the connecting end (110) is provided with constraint grooves (113) corresponding to the constraint strips (250).

4. The ammonia valve of claim 1, wherein: The curved inner wall of the butt joint ring (220) is fixed with an abutting ring (240), and the abutting ring (240) is detachably connected with the positioning ring (260) by bolts.

5. The ammonia valve of claim 1, wherein: The reinforcing rib (280) is composed of a V-shaped reinforcing rod and a straight reinforcing rod, the U-shaped reinforcing rod is sleeved on the outer wall of the conical filter screen (270) and fixed with the positioning ring (260), the straight reinforcing rod is fixed on the outer wall of the V-shaped reinforcing rod, and the end of the straight reinforcing rod abuts against the curved surface of the connecting end (110).

6. The ammonia valve of claim 1, wherein: The end face of the driving ring (210) away from the connecting end (110) is fixed with a plurality of handles.

7. The ammonia valve of claim 1, wherein: The end of the butt joint ring (220) away from the connecting end (110) is fixedly connected with a conveying pipe.

Images