CN219359355U - Valve disc stripping off device with adjustable - Google Patents

Abstract

An adjustable valve disc stripping off device, includes main threaded rod and base, its characterized in that: the base is an annular body with internal threads and is in threaded connection with the main threaded rod, and the top end of the main threaded rod is fixedly connected with the rotary cross bar; the base outer wall evenly welds many claw arms that diverge, claw arm includes transverse bracket, bolt and the regulating plate of its below, and rotatory main threaded rod peels off the operation, convenient operation, and the commonality is strong. The device simple structure, support, bolt and regulating plate constitute the frame form and support, and the atress is even, can protect the valve disc surface, can increase clamping strength again to improve work efficiency.

Description

Valve disc stripping off device with adjustable

Technical Field

The utility model belongs to the technical field of disassembly of workpieces, and particularly relates to an adjustable valve disc stripping device.

Background

In the prior art, when a maintenance team detects abnormal rotation and turn-off failure of a valve during maintenance of a water pump, the valve disc on the valve is peeled off and maintained for maintenance cost and then is used because bearings in a transmission device at the upper part of the valve are damaged. Because the valve is in a moist and dull environment for a long time, the valve and the valve disc often have different degrees of rusting, which causes a plurality of difficulties in stripping the valve disc, a special device is required to strip the valve disc.

Chinese patent with publication number CN205660639U discloses a three-jaw puller: including drawing horse seat (1), ejector pin (2) and three claw arm (3), each claw arm (3) middle part is articulated mutually with drawing horse seat (1), ejector pin (2) set up in drawing horse seat (1) center, its characterized in that: the puller comprises a puller seat (1), wherein a shaft cylinder (4) is arranged at the center of the puller seat (1), a push rod (2) penetrates through the shaft cylinder (4) and extends out of the shaft cylinder (4), a screw rod (6) is connected to the top end of each claw arm (3), and a strip-shaped clamping groove (5) corresponding to the screw rod (6) is formed in the periphery of the shaft cylinder (4) along the axial direction. However, the claw arm of the device cannot be adjusted, and valve discs with different sizes or thicknesses are peeled off, so that parts and balance are difficult to clamp, and maintenance progress is affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a device which has a simple structure and is convenient to operate and capable of stably stripping valve discs with different sizes.

In order to achieve the above purpose, the adjustable valve disc stripping device comprises a main threaded rod and a base, wherein the base is an annular body with internal threads and is in threaded connection with the main threaded rod, and the top end of the main threaded rod is fixedly connected with a rotary cross bar; the utility model discloses a support, including base outer wall, the claw arm is equipped with a square hole including horizontal support, bolt and the regulating blade of its below, the support is equipped with the square hole, the square hole is close to the fixed reset spring end of inner wall in the outside, bolt upper end welds square pole and spherical grab handle in proper order, the fastening hole of the square hole and regulating blade of bolt downwardly inserting support, square pole both sides outer wall laminating square hole both sides inner wall, square pole third side outer wall supports the reset spring other end, the bolt can follow support length direction and remove, bolt lower part slidable or be fixed in the fastening hole of regulating blade.

Further, a groove capable of accommodating the spherical handle is formed in the upper portion of the square hole of the support, and the side length of the groove is larger than the corresponding side length of the square hole.

Further, the regulating piece is provided with a jack which can be inserted into the protruding part at the bottom of the valve disc.

Further, the upper surface of the adjusting piece is provided with concave-convex patterns.

Further, a shaft cylinder is arranged on the outer walls of the main threaded rod and the rotating cross bar connecting shaft.

Further, threads are arranged in the fastening holes of the adjusting pieces, and bolts are fixed through the threads.

Compared with the prior art, the utility model has the beneficial effects that: according to the adjustable valve disc stripping device, the bolts move left and right in the square holes and move up and down in the fastening holes to fix valve discs with various different sizes, the main threaded rod is rotated to conduct stripping operation, and the device is convenient to operate and high in universality. The device simple structure, support, bolt and regulating plate constitute the frame form and support, and the atress is even, can protect the valve disc surface, can increase clamping strength again to improve work efficiency.

Drawings

FIG. 1 is a schematic illustration of an adjustable valve disc stripping apparatus of the present utility model;

FIG. 2 is a schematic illustration of the base and pawl arm structure of an adjustable valve disc stripping apparatus of the present utility model;

FIG. 3 is a schematic illustration of the support structure of an adjustable disc stripping apparatus of the present utility model;

FIG. 4 is a schematic illustration of the bolt construction of an adjustable disc stripping apparatus of the present utility model;

FIG. 5 is a schematic illustration of the structure of an adjustable disc stripping apparatus of the present utility model;

in the figure: a main threaded rod 1; a base 2; a claw arm 3; a bracket 4; a bolt 5; square pole 501; a grip 502; a regulating plate 6; a fastening hole 601; a jack 602; a rotating bar 7; a return spring 8; square holes 9; a groove 10; a shaft 11.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the adjustable valve disc stripping device of the utility model comprises a main threaded rod 1 and a base 2, wherein the top end of the main threaded rod 1 is fixedly connected with a rotary cross bar 7, and the outer wall of a connecting shaft of the main threaded rod 1 and the rotary cross bar 7 is provided with a shaft barrel 11, so that the connection between the main threaded rod 1 and the rotary cross bar 7 is reinforced, and the rotary threaded rod 1 is driven by rotating the rotary cross bar 7. As shown in fig. 2-4, the base 2 is an annular body with internal threads, the base is screwed on the main threaded rod 1, the outer wall of the base 2 is uniformly welded with a plurality of divergent claw arms 3, the claw arms 3 are uniformly arranged in the circumferential direction, the uniformly stressed valve discs are guaranteed, the number of the claw arms 3 is optimally three, and the base 2 and the claw arms 3 are lifted by utilizing thread driving. The claw arm 3 includes horizontal support 4, bolt 5 and its below's regulation foot 6, support 4 is equipped with square hole 9, square hole 9 is close to the fixed reset spring end 8 of the inner wall in outside, square rod 501 and spherical grab handle 502 are welded in proper order to bolt 5 upper end, bolt 5 inserts the fastening hole 601 of square hole 9 and the regulating plate 6 of support 4 downwards, square rod 501 both sides outer wall laminating square hole 9 both sides inner wall, square rod 501 third side outer wall supports the reset spring 8 other end, bolt 5 can follow support 4 length direction and remove and unable circumference rotation, reset spring 8 is automatic to rebound fixed square rod 501 position, bolt 5 lower part slidable or be fixed in the fastening hole 601 of regulating plate 6.

As shown in FIG. 5, the regulator blade 6 has a receptacle 602 for receiving the bottom screw boss of the valve disc to prevent the valve disc from being removed from the clamp. The upper surface of the adjusting piece 6 is provided with concave convex patterns, so that friction force is increased, and the stability of the adjusting piece clamping valve disc is enhanced.

As shown in fig. 1, an adjustable valve disc stripping apparatus of the utility model is operative:

before use, the radius and the height of the valve disc are determined according to the size specification of the valve disc, three bolts 5 are respectively inserted into the square holes 9 of the corresponding bracket 4 and the fastening holes 601 of the adjusting piece 6 downwards in advance, the upper and lower positions of the bolts 5 are respectively moved, the position of the bolts fixed in the fastening holes 601 is approximately determined by rotating the adjusting piece 6 according to the height of the valve disc, and the distance from the bracket 4 to the adjusting piece 6 is equal to the height of the valve disc. The bracket 4, the bolt 5 and the adjusting piece 6 constitute a frame claw arm 3.

Then the base 2 is close to the valve disc, the valve disc is placed at the center position of the frame claw arm 3 formed by the three groups of brackets 4, the bolts 5 and the regulating pieces 6, the top surface of the valve disc contacts the bottom surface of the bracket 4, the grab handle 502 is held by hands, the square rod 501 compresses the return spring 8 along the track direction of the square hole 9, when the outer wall of the valve disc contacts the wall of the bolt 5, the best position for fixing the size of the valve disc is formed, the return spring 8 automatically stretches the left and right positions of the fixed bolt 5, and the grab handle 502 is hung in the groove 10 at the upper part of the square hole 9. And then the adjusting piece 6 is moved up and down, when the bottom surface of the valve disc contacts the top surface of the adjusting piece 6, the best position for fixing the thickness of the valve disc is formed, the adjusting piece 6 is rotated, the fastening hole 601 is screwed on the bolt 5, the upper position and the lower position of the bolt 5 are fixed, the bottom of the valve disc is provided with a protruding part, and the protruding part can be simultaneously inserted into the inserting hole 602 of the adjusting piece 6 to prevent the valve disc from being separated. The valve discs with various different sizes are fixed by moving the bolts 5 left and right in the square holes 9 and moving the fastening holes 601 up and down, so that the valve disc fixing device is convenient to operate and high in universality.

After the valve disc and the stripping device are assembled, the rotary transverse bar 7 is rotated to drive the main threaded rod 1 to rotate, the base 2 and the valve disc clamped by the base 2 are lifted by utilizing screw thread driving, and after the valve disc continuously works for a period of time, the valve disc is successfully stripped off the valve.

Finally, the adjusting piece 6 is rotated, the fastening hole 601 is unscrewed from the bolt 5, the adjusting piece 6 is taken down, the square rod 501 compresses the reset spring 8 along the track direction of the square hole 9, and the valve disc after being stripped is taken down, so that the work is completed.

The device has simple structure, the bracket 4, the bolt 5 and the adjusting piece 6 form the frame claw arm 3 to support, the stress is even, the surface of the valve disc can be protected, the clamping strength can be increased, and the working efficiency is improved.

The base 2 and the claw arm 3 are made of metal materials, the metal attribute strength is high, the deformation is difficult, and the strong clamping and supporting effects can be achieved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. An adjustable valve disc stripping device, includes main threaded rod and base, its characterized in that: the base is an annular body with internal threads and is in threaded connection with the main threaded rod, and the top end of the main threaded rod is fixedly connected with the rotary cross bar; the utility model discloses a support, including base outer wall, the claw arm is equipped with a square hole including horizontal support, bolt and the regulating blade of its below, the support is equipped with the square hole, the square hole is close to the fixed reset spring end of inner wall in the outside, bolt upper end welds square pole and spherical grab handle in proper order, the fastening hole of the square hole and regulating blade of bolt downwardly inserting support, square pole both sides outer wall laminating square hole both sides inner wall, square pole third side outer wall supports the reset spring other end, the bolt can follow support length direction and remove, bolt lower part slidable or be fixed in the fastening hole of regulating blade.

2. An adjustable valve disc stripping apparatus as defined in claim 1, wherein: the square hole upper portion of support sets up the recess that can hold spherical handle, recess side length is all greater than square hole and corresponds the side length.

3. An adjustable valve disc stripping apparatus as defined in claim 2, wherein: the adjusting piece is provided with a jack which can be inserted into the protruding part at the bottom of the valve disc.

4. An adjustable valve disc stripping apparatus as defined in any one of claims 1-3, wherein: the upper surface of the adjusting piece is provided with concave-convex patterns.

5. An adjustable valve disc stripping apparatus as defined in claim 1, wherein: and a shaft cylinder is arranged on the outer wall of the connecting shaft of the main threaded rod and the rotary transverse bar.

6. An adjustable valve disc stripping apparatus as defined in claim 5, wherein: and threads are arranged in the fastening holes of the adjusting sheets, and bolts are fixed through the threads.