Adjusting device for safety valve with pentagonal valve cover

Abstract

The utility model discloses a pentagonal bonnet safety valve adjusting device which comprises an adjusting assembly and a metering assembly, the adjusting assembly is arranged on a valve port of a valve body, the valve body is connected to a valve seat in a threaded mode, and the adjusting assembly is configured to drive the valve body to rotate around the axis of the valve body relative to the valve seat; a metering assembly is connected to the adjusting assembly in a rotating mode, the metering assembly and the valve body are concentrically arranged, the bottom end of the metering assembly is fixed to the valve seat, the metering assembly is configured to meter the rotating angle of the valve body, and the metering assembly and the adjusting assembly are staggered in position. The utility model has the beneficial effects that the metering component matched with the adjusting component is arranged, so that the rotation angle of the valve body can be synchronously metered, a worker can reconnaissate the degree of the rotation angle in real time, the worker can be helped to intuitively and accurately rotate the angle by naked eyes, and the working efficiency is greatly improved on the basis of ensuring that the disassembly and assembly of the valve body are not influenced. And the rotation angle required for dismounting the valve body is synchronously metered.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve calibration technical field, especially is a kind of pentagonal bonnet safety valve adjusting device. BACKGROUND

[0002] Safety valve is mainly used in overpressure of pressure-bearing equipment, pipeline and other systems, by releasing medium to protect equipment. In practical application, safety valve is generally calibrated at least once a year, if there is leakage and other abnormal use conditions, it should be calibrated immediately, and can continue to use, and the opening pressure of safety valve needs to be adjusted each time.

[0003] The existing rotary valve body is divided into two valve bodies, which are fixedly connected by threads, and the two valve bodies are rotated by machine tool when adjusting the opening pressure. When adjusting the opening pressure, the number of rotation is counted manually. This operation method is low in efficiency, difficult to operate, low in accuracy of manual calculation of rotation number, and there is a problem of controlling the burst to injure people.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model, and should not be regarded as acknowledging or implicitly suggesting that this information constitutes prior art known to those of ordinary skill in the art. SUMMARY

[0005] The technical problem to be solved by the utility model is to ensure that the valve body is not affected by disassembly and assembly, and the rotation angle required by disassembly and assembly is measured synchronously.

[0006] The utility model solves the above technical problems by the following technical means:

[0007] The utility model requires protection of a kind of pentagonal bonnet safety valve adjusting device, including adjusting assembly and measurement assembly, adjusting assembly is arranged on valve body valve port, valve body is connected on valve seat by thread, adjusting assembly is configured to drive valve body relative to valve seat produce rotating action around valve body axis;

[0008] Adjusting assembly is connected to measurement assembly, measurement assembly is concentrically arranged with valve body, and the bottom end of measurement assembly is fixed on valve seat, measurement assembly is configured to measure the rotation angle of valve body, and the positions of measurement assembly and adjusting assembly are staggered.

[0009] Preferably, adjusting assembly includes fixed unit and handheld unit, fixed unit is arranged on the upper end of valve body, fixed unit is in the form of stepped shaft, and the diameter of the bottom end of fixed unit is greater than the diameter of the top end of fixed unit, the top end of fixed unit is connected to handheld unit, and handheld unit and fixed unit are perpendicular to each other.

[0010] Preferably, the fixed unit comprises a base and a connecting shaft, the upper end of the valve body is in plug-in cooperation with the bottom end of the base, the upper end of the base is provided with one end of the connecting shaft to form a stepped shaft, the connecting shaft is coaxially arranged with the valve body, and the other end of the connecting shaft is provided with a handheld unit, and the handheld unit and the axis of the connecting shaft are perpendicular to each other.

[0011] Preferably, the metering assembly comprises a scale and a locking unit, the connecting shaft is provided with the scale, and the scale is concentrically arranged with the connecting shaft;

[0012] The locking unit is arranged below the scale and extends along the axis of the valve body to be flush with the valve seat, and the locking unit is fixed to the valve seat.

[0013] Preferably, the locking unit comprises a connecting block and a bolt, the connecting block is symmetrically arranged below the scale along the axis of the valve body, the connecting block extends along the axis of the valve body to be flush with the valve seat, a threaded hole is formed in the side surface of the connecting block, and the bolt is engaged in the threaded hole from the outside to the inside until the bolt is in abutting cooperation with the valve seat.

[0014] Preferably, the locking unit comprises a connecting piece and a locking ring unit, the connecting piece is symmetrically arranged below the metering assembly along the axis of the valve body, the connecting piece is in the form of a circular ring piece and is concentrically arranged with the valve body, the connecting piece extends along the axis of the valve body to be flush with the valve seat, the connecting piece is provided with the locking ring unit, the inner diameter of the bottom end of the locking ring unit is smaller than the inner diameter of the top end of the locking ring unit, and the locking ring unit is configured to move along the axis of the valve body to abutting cooperation of the inner wall of the locking ring unit and the valve seat.

[0015] Preferably, the locking ring unit comprises a threaded sleeve and a fixed sleeve, the connecting piece is provided with a flange at the bottom of the outer wall, the threaded sleeve and the fixed sleeve are coaxially arranged on the connecting piece from top to bottom, the outer wall of the connecting piece is provided with external threads, the threaded sleeve is provided with internal threads engaged with the external threads, the fixed sleeve is in the form of a cylinder, and the inner diameter of the inner cylinder of the fixed sleeve decreases from top to bottom to abutting cooperation of the inner wall of the fixed sleeve and the valve seat.

[0016] Preferably, the upper end of the valve body is recessed to form a valve port, and the recess is in plug-in cooperation with the protrusion protruding from the lower end of the base.

[0017] Preferably, the recess is a five-sided recess, and the protrusion is a five-sided protrusion matched therewith.

[0018] Preferably, the scale is in the form of a fan-shaped piece, and the upper surface of the scale is provided with a scale.

[0019] The utility model discloses the advantages are in:

[0020] I. by setting up the metering assembly matched with the adjusting assembly, the rotation angle of the valve body can be measured synchronously, the staff can real-time survey the degree of the rotation angle, and the staff can intuitively and accurately rotate the angle, the device can be set on the maintenance and disassembly of the valve body, and can also be set on the adjustment of the valve body.

[0021] Moreover, the metering assembly is directly arranged on the adjusting assembly, the positions of the metering assembly and the adjusting assembly are staggered, and the metering assembly is fixed to the valve seat through the locking assembly, so that, firstly, the metering assembly and the adjusting assembly do not interfere with each other when the adjusting assembly is adjusted; and secondly, the integrated assembly can make the whole device more compact and concentrated, and reduce the storage problem of parts.

[0022] Secondly, the adjusting assembly is provided with a hand-held unit, the lever principle is adopted, the torque of adjustment is increased, and a larger adjustment power is obtained while smaller force is used by a person, and the adjusting assembly is suitable for the case that the valve body and the valve seat are very close or inconvenient to adjust due to stitching.

[0023] Thirdly, the fixing unit is arranged in a stepped shaft shape, which has two advantages, one is that the metering assembly is installed through the shoulder abutting action of the stepped shaft, so that the metering assembly and the fixing unit form a natural axial limit when switching, and the interference of the hand-held unit on the metering assembly during rotation is avoided; and the other is that the diameter of the bottom of the fixing unit is increased to improve the rigidity when the fixing unit contacts the valve body, and the working strength of the whole adjusting assembly is ensured.

[0024] Fourthly, the metering assembly is arranged, the rotation angle of the hand-held unit during rotation is measured, in order to prevent the hand-held unit from accidentally touching the metering assembly during rotation, and to prevent the measurement from being inaccurate, and the locking assembly is fixed to the valve seat to realize quick fixing of the metering assembly.

[0025] Fifthly, the locking assembly can be fixed in multiple ways, and the utility model preferably adopts two ways, one is that the connecting block and the bolt are used, the bolt is twisted at one end to make the bolt engage with the connecting block, the other end of the bolt is pressed against the valve seat, the other end of the valve seat is pressed against the connecting block on the other side, and fixing is realized. The second way is that the threaded sleeve and the connecting piece are threadedly matched, the fixing sleeve slides along the axis of the valve body, the diameter of the inner cylinder of the fixing sleeve decreases from top to bottom, the inner wall of the fixing sleeve, the connecting piece and the valve seat are tightly matched with each other, and fixing is realized. The two fixing ways are based on the structural adaptability of the device itself, and no extra parts are generated during disassembly and adjustment, so that the compactness and integrity of the device itself are ensured.

[0026] Sixthly, the most common valve body valve port on the market is a five-edge groove, and of course, in actual working conditions, the shape of the protrusion of the base can be adjusted adaptively according to different shapes of the valve body valve port, the adjusting assembly can be adjusted for different valve bodies, and the applicability is increased. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1It is the structural schematic view of the five-angle valve cover safety valve adjusting device in the embodiment one of the utility model;

[0028] Figure 2 It is the fixed unit schematic view in the embodiment one of the utility model;

[0029] Figure 3 It is the structural explosion schematic view of the five-angle valve cover safety valve adjusting device in the embodiment one of the utility model;

[0030] Figure 4 It is the structural schematic view of the five-angle valve cover safety valve adjusting device in the embodiment two of the utility model;

[0031] Figure 5 It is the structural explosion schematic view of the five-angle valve cover safety valve adjusting device in the embodiment two of the utility model.

[0032] 1, adjusting assembly;10, fixed unit;101, base;102, connecting shaft;11, handheld unit;

[0033] 2, metering assembly;20, measuring scale;21, locking unit;210a, connecting block;211a, bolt;210b, connecting piece;211b, locking ring unit;2110b, threaded sleeve;2111b, fixed sleeve. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0035] Embodiment one

[0036] Referring to Figure 1 , the embodiment claims a kind of five-angle valve cover safety valve adjusting device, including adjusting assembly 1 and metering assembly 2, adjusting assembly 1 is arranged on valve body valve port, valve body is connected on valve seat by screw thread, adjusting assembly 1 is configured as driving valve body relative valve seat produces rotational motion around valve body axis.

[0037] Referring to Figures 1 to 3 , further, adjusting assembly 1 includes fixed unit 10 and handheld unit 11, fixed unit 10 is arranged on the upper end of valve body, fixed unit 10 is ladder shaft, and the diameter of the bottom end of fixed unit 10 is greater than the diameter of the top end of fixed unit 10, the top end of fixed unit 10 is connected with handheld unit 11, and handheld unit 11 and fixed unit 10 are perpendicular to each other.

[0038] It is worth mentioning that the adjusting assembly is provided with the hand-held unit, and the lever principle is adopted here, so that the torque of adjustment is increased, so that the personnel can obtain greater adjustment power while using smaller force, and the adjusting assembly is also applicable to the case that the valve body and the valve seat are very close or inconvenient to adjust due to the stitching.

[0039] Furthermore, the fixing unit 10 is provided in a stepped shaft shape, which has two advantages. Advantage one, the metering assembly 2 is installed through the shaft shoulder abutting action of the stepped shaft, so that the metering assembly 2 and the fixing unit 10 form a natural axial limit when switching, avoiding the interference of the hand-held unit 11 to the metering assembly 2 when rotating; advantage two, the diameter of the bottom of the fixing unit 10 is increased to improve the rigidity when contacting the valve body, thereby ensuring the working strength of the adjusting assembly 1 as a whole.

[0040] Further, the fixing unit 10 includes a base 101 and a shaft 102, and the upper end of the valve body is inserted and matched with the bottom end of the base 101. Specifically, the upper end of the valve body is recessed to form a valve port, and the recess is inserted and matched with the protrusion protruding from the lower end of the base 101. Generally, the recess is a pentagonal recess, and the protrusion is a pentagonal protrusion matched therewith. In actual use, the most common valve port on the market is a pentagonal recess. Of course, in actual working conditions, the shape of the protrusion of the base 101 can be adjusted to adapt to different shapes of the valve port, so as to realize the adjustment of the adjusting assembly to different valve bodies and increase the applicability thereof. The base 101 is provided with the shaft 102 at the upper end to form a stepped shaft shape. The shaft 102 is coaxially arranged with the valve body, and the other end of the shaft 102 is provided with the hand-held unit 11. The shaft line of the hand-held unit 11 and the shaft 102 are perpendicular to each other.

[0041] The adjusting assembly 1 is switched to the metering assembly 2, and the metering assembly 2 is concentrically arranged with the valve body. The bottom end of the metering assembly 2 is fixed on the valve seat. The metering assembly 2 is configured to measure the rotation angle of the valve body. The positions of the metering assembly 2 and the adjusting assembly 1 are staggered with each other.

[0042] Further, the metering assembly 2 includes a scale 20 and a locking unit 21. The scale 20 is sleeved on the shaft 102. The scale 20 is in the form of a sector. The upper surface of the scale 20 is provided with a scale. The scale 20 is concentrically arranged with the shaft 102.

[0043] The locking unit 21 is arranged below the scale 20. The locking unit 21 extends along the valve body axis to be flush with the valve seat. The locking unit 21 is fixed on the valve seat.

[0044] By setting the metering assembly, the rotation angle of the handheld unit can be measured when the handheld unit rotates. In order to prevent the handheld unit from being accidentally touched during rotation, causing inaccurate measurement, the locking assembly is fixed on the valve seat to quickly fix the metering assembly.

[0045] The locking unit 21 includes a connecting block 210a and a bolt 211a. The fixed block is symmetrically arranged below the scale 20 along the valve body axis and extends along the valve body axis to be flush with the valve seat. Threaded holes are formed on the side surface of the fixed block. The bolt 211a is engaged in the threaded hole from the outside to the inside until the bolt 211a is in abutting contact with the valve seat.

[0046] In actual work, the specific implementation steps of the embodiment are as follows:

[0047] I. Adjust the assembly 1, select the appropriate adjustment assembly 1 according to the shape of the valve port of the valve body, and insert the base 101 into the valve port of the valve body.

[0048] II. Fix the metering assembly 2, twist one end of the bolt 211a, so that the bolt 211a engages with the connecting block 210a, and the other end of the bolt 211a abuts against the valve seat.

[0049] III. Adjust the adjustment assembly 1, rotate the handheld unit 12, which is usually a handheld rod, so that the valve body 4 is twisted off from the valve seat 5, observe the metering assembly 2, and verify the rotation angle of the handheld unit 12.

[0050] Example Two

[0051] Referring to Figure 4 The difference between the embodiment and the first embodiment is that the locking unit 21 includes a connecting piece 210b and a locking ring unit 211b. The connecting piece 210b is symmetrically arranged below the metering assembly 2 along the valve body axis. The connecting piece 210b is in the form of a circular ring piece and is concentrically arranged with the valve body. The connecting piece 210b extends along the valve body axis to be flush with the valve seat. The connecting piece 210b is sleeved with the locking ring unit 211b. The inner diameter of the bottom end of the locking ring unit 211b is smaller than the inner diameter of the top end of the locking ring unit 211b. The locking ring unit 211b is configured to move along the valve body axis to abuttingly engage the inner wall of the locking ring unit 211b and the valve seat.

[0052] Referring to Figures 4 to 5Further, the locking ring unit 211b comprises a threaded sleeve 2110b and a fixed sleeve 2111b, the outer wall bottom end of the connecting piece 210b is provided with a flange, the outer wall of the connecting piece 210b is coaxially sleeved with the threaded sleeve 2110b and the fixed sleeve 2111b from top to bottom, the outer wall of the connecting piece 210b is provided with external threads, the threaded sleeve 2110b is internally provided with internal threads engaged with the external threads, the fixed sleeve 2111b is in a cylindrical shape, and the inner diameter of the fixed sleeve 2111b gradually decreases from top to bottom to the inner wall of the fixed sleeve 2111b, and the connecting piece 210b is in abutting engagement with the valve seat.

[0053] In actual work, the specific implementation steps are as follows:

[0054] Step one, install the adjusting assembly 1, which will not be repeated here.

[0055] Step two, fix the metering assembly 2, twist the threaded sleeve 2110b, so that the threaded sleeve 2110b is in threaded engagement with the connecting piece 210b, push the fixed sleeve 2111b to move downward until the inner wall of the fixed sleeve 2111b is in abutting engagement with the valve seat, and the metering assembly 2 is fixed.

[0056] Step three, adjust the adjusting assembly 1, which will not be repeated here.

[0057] The locking units 21 in the first and second embodiments are based on the structural adaptability of the device itself, and no extra parts are generated when the device is disassembled and adjusted, thereby ensuring the compactness and integrity of the device itself.

[0058] The device can be set on the maintenance and disassembly of the valve body, and can also be set on the adjustment of the valve body.

[0059] Furthermore, the metering assembly is directly arranged on the adjusting assembly, the positions of the metering assembly and the adjusting assembly are staggered, and the metering assembly is fixed on the valve seat through the locking assembly, so that even when the adjusting assembly is adjusted, the metering assembly and the adjusting assembly will not interfere with each other, and the integral assembly can make the overall device more compact and concentrated, and reduce the storage problem of parts.

[0060] The above embodiments are only used to illustrate the technical solutions of the device, and not to limit them; although the device has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the device.

Claims

1. A five-hole bonnet safety valve setting device, characterized by, The utility model relates to a valve, including adjusting assembly (1) and metering assembly (2), adjusting assembly (1) is set up on the valve body valve port, and the valve body is screwed on the valve seat, and adjusting assembly (1) is configured as the rotating action of driving valve body relative to valve seat around valve body axis is generated; Adjusting assembly (1) is connected to metering assembly (2), and metering assembly (2) is arranged concentrically with the valve body, and the bottom end of metering assembly (2) is fixed on the valve seat, and metering assembly (2) is configured to measure the rotation angle of the valve body, and the positions of metering assembly (2) and adjusting assembly (1) are staggered with each other.

2. A five-hole cover safety valve setting device according to claim 1, characterized in that, Adjusting assembly (1) includes fixed unit (10) and handheld unit (11), and the upper end of the valve body is provided with the fixed unit (10), the fixed unit (10) is in the shape of a stepped shaft, and the diameter of the bottom end of the fixed unit (10) is greater than the diameter of the top end of the fixed unit (10), the top end of the fixed unit (10) is connected with the handheld unit (11), and the handheld unit (11) and the fixed unit (10) are perpendicular to each other.

3. A five-hole cover safety valve setting device according to claim 2, characterized in that, The fixed unit (10) includes a base (101) and a connecting shaft (102), the upper end of the valve body is inserted into the bottom end of the base (101), the connecting shaft (102) is arranged coaxially with the valve body, and the other end of the connecting shaft (102) is provided with the handheld unit (11).

4. A pentavalve safety valve setting device according to claim 1, wherein The metering assembly (2) includes a scale (20) and a locking unit (21), the connecting shaft (102) is sleeved with the scale (20), and the scale (20) is arranged concentrically with the connecting shaft (102); The locking unit (21) is arranged below the scale (20) and extends along the axis of the valve body to be flush with the valve seat, and is fixed on the valve seat.

5. A pentavalve safety valve setting device according to claim 4, wherein The locking unit (21) includes a connecting block (210a) and a bolt (211a), a fixed block is arranged symmetrically below the scale (20) along the axis of the valve body, the fixed block extends along the axis of the valve body to be flush with the valve seat, a threaded hole is formed in the side surface of the fixed block, and the bolt (211a) is engaged in the threaded hole from the outside to the inside until the bolt (211a) is in abutting engagement with the valve seat.

6. A pentavalve safety valve setting device according to claim 4 wherein, The locking unit (21) includes a connecting piece (210b) and a locking ring unit (211b), the connecting piece (210b) is arranged symmetrically below the metering assembly (2) along the axis of the valve body, the connecting piece (210b) is in the form of a circular ring piece, and is arranged concentrically with the valve body, the connecting piece (210b) extends along the axis of the valve body to be flush with the valve seat, and the locking ring unit (211b) is sleeved on the connecting piece (210b), the inner diameter of the bottom end of the locking ring unit (211b) is smaller than the inner diameter of the top end of the locking ring unit (211b), and the locking ring unit (211b) is configured to move along the axis of the valve body until the inner wall of the locking ring unit (211b) and the valve seat are in abutting engagement with each other.

7. A five-hole cover safety valve setting device according to claim 6, characterized in that, The locking ring unit (211b) comprises a threaded sleeve (2110b) and a fixed sleeve (2111b), the outer wall of the connecting piece (210b) is provided with a flange at the bottom end, the outer wall of the connecting piece (210b) is coaxially sleeved with the threaded sleeve (2110b) and the fixed sleeve (2111b) from top to bottom, the outer wall of the connecting piece (210b) is provided with external threads, the threaded sleeve (2110b) is provided with internal threads which are engaged with the external threads, the fixed sleeve (2111b) is in the shape of a cylinder, and the inner diameter of the fixed sleeve (2111b) decreases from top to bottom to the inner wall of the fixed sleeve (2111b) and the valve seat, and the connecting piece (210b) is in abutting engagement with the valve seat.

8. A pentavalve safety valve setting device according to claim 3, wherein The upper end of the valve body is concave to form a valve port, and the concave groove is in plug-in engagement with the protrusion protruding from the lower end of the base (101).

9. A five-hole cover safety valve setting device according to claim 8, characterized in that, The concave groove is a pentagonal concave groove, and the protrusion is a pentagonal protrusion matched therewith.

10. A pentavalve safety valve setting device according to claim 4, wherein The scale (20) is in the shape of a sector, and the upper surface of the scale (20) is provided with a scale.

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