A check valve weight protection cover

Abstract

The utility model relates to the field of check valves, specifically a check valve weight protection cover, comprising a plurality of assembly racks, the plurality of assembly racks being connected by a size adjustment mechanism to form a cover body for being installed on the outside of the check valve and covering the outside of the weight, the size adjustment mechanism adjusting the size of the cover body by adjusting the positions of two adjacent assembly racks. The utility model can prevent nearby personnel from being injured when the weight rotates up and down, reduce the potential safety hazards of the weight rod and the weight during the operation of the check valve, and can adjust the size of the cover body by adjusting the positions of two adjacent assembly racks during the installation process, so as to adapt to the installation requirements of weights of different specifications and sizes.

Description

Technical Field

[0001] The utility model relates to the field of check valves, in particular to a check valve weight protection cover. Background Art

[0002] In the prior art, for check valves with larger diameters, such as large-diameter steam extraction check valves, a weight is generally provided to balance the gravity torque of the valve disc assembly, to help open the check valve when the medium flows in the forward direction, and to keep the check valve stable during operation and reduce vibration. However, it was found during operation that the swing arm movement of the weight rod and the weight poses a certain hidden danger to the safety of on-site personnel. Although some weight protection covers are provided, the protection covers are customized according to the corresponding weight size before installation. The size of the protection cover cannot be adjusted during the installation process and cannot meet the installation requirements of weights of different specifications. Utility Model Content

[0003] The purpose of the utility model is to provide a check valve weight protection cover, which can prevent the weight from injuring nearby personnel when it rotates up and down through the design of the cover body and the size adjustment mechanism, reduce the safety hazards of the weight rod and the weight during the operation of the check valve, and can adjust the size of the cover body by adjusting the positions of two adjacent assembly frames during the installation process to adapt to the installation requirements of weights of different specifications and sizes.

[0004] In order to solve the above technical problems, the utility model provides a check valve weight protection cover, including a plurality of assembly racks, which are connected by a size adjustment mechanism to form a cover body for being installed on the outside of the check valve and covering the outside of the weight, and the size adjustment mechanism adjusts the size of the cover body by adjusting the positions of two adjacent assembly racks.

[0005] Furthermore, the assembly frame is formed with weight-reducing holes.

[0006] Furthermore, the size adjustment mechanism includes a plurality of mounting holes 2 formed on the assembly rack, and two adjacent assembly racks are connected by fasteners that pass through any one of the mounting holes 2 on the two assembly racks in sequence.

[0007] Furthermore, the size adjustment mechanism includes a connecting member, at least one mounting hole 1 formed on the connecting member, and a plurality of mounting holes 2 formed on the assembly frame. Two adjacent assembly frames are connected to the corresponding mounting holes 1 on the connecting member after fasteners pass through any one of the mounting holes 2 on the two adjacent assembly frames.

[0008] Furthermore, the connecting member is a triangular piece, on which three mounting holes 1 distributed in a right-angled triangle are formed, two adjacent assembly frames are vertically arranged and the mounting hole 2 at their intersection is connected to the mounting hole 1 on the right-angled side after passing through a fastener, and the other two mounting holes 1 are respectively connected to the corresponding mounting holes 2 on the two adjacent assembly frames through fasteners.

[0009] Furthermore, the fastener is a fastening bolt, and the end of the fastening bolt is locked by a fastening nut.

[0010] Furthermore, the assembly frame includes a bracket one, a bracket two and a bracket three, and a plurality of mounting holes two are respectively provided on the bracket one, the bracket two and the bracket three, the bracket one and the bracket three are located on the same side of the bracket two, and the two ends of the bracket two are respectively connected to the bracket one and the bracket three by fasteners, and the distance between the bracket one and the bracket three can be adjusted by adjusting the position of the mounting holes two on the bracket two by the fasteners.

[0011] Furthermore, the cover body is mounted on the mounting hole of the check valve cover through a mounting plate.

[0012] Further, the cover body is in the shape of a cuboid, and the cover body includes an outer frame composed of a plurality of the assembly frames as the length, width and height, and the front, rear, left and right sides of the outer frame each have at least one first connecting frame, and the two ends of the first connecting frame are respectively connected to the two high sides of the corresponding side, and the first connecting frames on the adjacent two side surfaces are directly connected or spaced apart from each other;

[0013] The top surface of the outer frame has at least one second connecting frame, and two ends of the second connecting frame are respectively connected to two long sides of the top surface of the outer frame;

[0014] The first connecting frame and the second connecting frame are both composed of assembly frames.

[0015] Furthermore, the assembly rack is an L-shaped structure, and any one of the three assembly racks on the vertices of the cuboid is fixed to the other two assembly racks by connecting pieces and fasteners.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model can prevent the heavy hammer from injuring nearby personnel when it rotates up and down through the design of the cover body and the size adjustment mechanism, reduce the safety hazards of the heavy hammer rod and the heavy hammer during the operation of the check valve, and can adjust the size of the cover body by adjusting the positions of two adjacent assembly frames during installation, so as to adapt to the installation requirements of heavy hammers of different specifications and sizes.

[0018] 2. The utility model can improve the stability of the connection between two adjacent assembly frames through the design of the connecting piece, and flexibly change the size of the cover body by adjusting the position of the fastener passing through the second mounting hole on the two adjacent assembly frames to meet the installation requirements of different weight sizes.

[0019] 3. The utility model has weight-reducing holes formed on the assembly frame constituting the cover body, which can reduce weight and serve as installation holes when connected with other assembly frames, thereby greatly saving the production cost of the cover body.

[0020] 4. The assembly frame of the utility model includes bracket one, bracket two and bracket three, and a plurality of mounting holes two are respectively provided on bracket one, bracket two and bracket three. Bracket one and bracket three are located on the same side of bracket two, and two ends of bracket two are respectively connected to bracket one and bracket three by fasteners. By adjusting the position of the mounting hole two on the bracket two by the fastener to adjust the distance between bracket one and bracket three, the length of the assembly frame itself can be adjusted, and the size of the cover body can also be indirectly adjusted to meet the installation requirements of different specifications of weights. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of a check valve weight protection cover of Example 1 of the utility model;

[0023] Figure 2 is a schematic structural diagram of the connection of two adjacent assembly racks in Example 1;

[0024] Figure 3 is a schematic diagram of the structure of the triangular piece in Example 1;

[0025] Figure 4 is a schematic structural diagram of the cover body in Example 1;

[0026] Figure 5 It is a structural schematic diagram of an assembly frame in a check valve weight protection cover of Example 2 of the utility model;

[0027] In the figure: 1-cover body, 11-assembly frame, 111-mounting hole two, 21-connecting piece, 211-mounting hole one, 22-fastener, 112-bracket one, 113-bracket two, 114-bracket three, 101-outer frame, 102-first connecting frame, 103-second connecting frame, 200-check valve, 201-valve cover. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings of the utility model specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1

[0030] like Figure 1-4 As shown, a check valve weight protection cover comprises a plurality of assembly racks 11, wherein the plurality of assembly racks 11 are connected by a size adjustment mechanism to form a cover body 1 for being installed outside the check valve 200 and covering the outside of the weight, and the size adjustment mechanism adjusts the size of the cover body 1 by adjusting the positions of two adjacent assembly racks 11;

[0031] Specifically, in this embodiment, the size adjustment mechanism includes a connecting member 21, at least one mounting hole 1 211 formed on the connecting member 21, and a plurality of mounting holes 2 111 formed on the assembly frame 11. The plurality of mounting holes 2 111 are sequentially arranged along the length direction of the assembly frame 11, and two adjacent assembly frames 11 are connected to the corresponding mounting holes 1 211 on the connecting member after fasteners pass through any mounting hole 2 111 on the two adjacent assembly frames 11 respectively; here, the stability of the connection between the two adjacent assembly frames can be improved by the design of the connecting member, and the size of the cover body can be flexibly changed by adjusting the position where the fastener passes through the mounting holes 2 on the two adjacent assembly frames, which means selecting the appropriate mounting holes 2 on the two adjacent assembly frames, and then connecting the two adjacent assembly frames through the connecting member and the fastener, and the redundant parts on the assembly frame can be cut off;

[0032] Specifically, Figure 2-3 As shown, in this embodiment, the connecting member 21 is a triangular piece, and three mounting holes 1 211 distributed in a right-angled triangle are formed on the triangular piece. The mounting holes 2 111 at the intersection of two adjacent assembly frames 11 are vertically arranged and connected to the mounting holes 1 211 of the right-angle side after being passed through by fasteners, and the other two mounting holes 1 211 are respectively connected to the corresponding mounting holes 2 111 on the two adjacent assembly frames 11 by fasteners. In this embodiment, the design of the triangular piece can enhance the stability of the connection between the two adjacent assembly frames, and in this embodiment, the fastener 22 is a fastening bolt, and the end of the fastening bolt is locked by a fastening nut.

[0033] Of course, in other embodiments, relative to the design of the above connecting member, the size adjustment mechanism can be directly formed as a plurality of mounting holes 111 on the assembly rack 11, and two adjacent assembly racks 11 are connected by fasteners that pass through any one of the mounting holes 111 on the two assembly racks 11 in sequence.

[0034] In this embodiment, the assembly rack 11 is formed with a weight-reducing hole, which can reduce weight and serve as a mounting hole when connected to other assembly racks, namely, the second mounting hole 111 .

[0035] In this embodiment, the cover 1 is mounted on the mounting hole of the valve cover 201 of the check valve 200 through the mounting plate. Figure 1 The mounting plate includes a mounting plate 1 3 and a mounting plate 2 4. The cover body 1 is fixed to the mounting plate 1 3, and the mounting plate 2 4 is fixed to the mounting plate 1 3. The mounting plate 2 4 is provided with a hole position corresponding to the mounting hole on the valve cover 201. The mounting plate 2 4 is fixed to the check valve 200 by fasteners passing through the hole position and the corresponding mounting hole on the valve cover. There is no need to drill additional holes on the valve cover, which improves the convenience of the cover body 1 during installation.

[0036] like Figure 4 In this embodiment, the shape of the cover body 1 is a rectangular parallelepiped, and the cover body 1 includes an outer frame 101 composed of a plurality of assembly frames 11 as the length, width and height. The assembly frame is an L-shaped structure composed of two plates integrally formed and vertically arranged, and each plate is provided with a plurality of mounting holes 2 111. Among the three assembly frames on the vertices of the rectangular parallelepiped, the two plates of any assembly frame are respectively fixed to the other two assembly frames by connecting members 21 and fasteners, where the connecting member 21 refers to a triangular piece, and the fastener refers to a fastening bolt, which can improve the stability of the connection between the three assembly frames. Specifically, a suitable mounting hole 2 on each assembly frame is selected, and the three assembly frames on the vertices of the rectangular parallelepiped are fixed by using triangular pieces and fastening bolts, so as to enhance the stability of the connection between the assembly frames.

[0037] The front, rear, left and right sides of the outer frame 101 each have at least one first connecting frame 102, the two ends of the first connecting frame 102 are respectively connected to the two high sides of the corresponding side, and the first connecting frames 102 on the adjacent two side surfaces are directly connected or arranged at intervals up and down; the top surface of the outer frame 101 has at least one second connecting frame 103, the two ends of the second connecting frame 103 are respectively connected to the two long sides of the top surface of the outer frame 101; in this embodiment, the front side of the outer frame 101 has three first connecting frames 102, the rear side has three first connecting frames 102, the left side has three first connecting frames 102, the right side has one first connecting frame 102, and the top surface of the outer frame 101 has two second connecting frames 103. Here, the first connecting frame 102 and the second connecting frame 103 are both composed of assembly frames.

[0038] Example 2

[0039] The main difference from Example 1 is the structure of the assembly frame, which is as follows:

[0040] like Figure 5 The assembly frame 11 includes a bracket 112, a bracket 2 113 and a bracket 3 114. The bracket 112, the bracket 2 113 and the bracket 3 114 are respectively provided with a plurality of mounting holes 2 111. The bracket 1 112 and the bracket 3 114 are located on the same side of the bracket 2 113. The two ends of the bracket 2 113 are respectively connected to the bracket 1 12 and the bracket 3 114 through fasteners. The distance between the bracket 1 12 and the bracket 3 114 can be adjusted by adjusting the position of the mounting hole 2 111 on the bracket 2 113 by the fastener, so as to achieve the adjustment of the length of the assembly frame itself and the adjustment of the size of the cover body.

[0041] The above disclosures are merely two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A check valve weight protection cover, characterized in that: It comprises a plurality of assembly racks (11), wherein the plurality of assembly racks (11) are connected via a size adjustment mechanism to form a cover body (1) for being installed on the outside of a check valve (200) and covering the outside of a heavy hammer, wherein the size adjustment mechanism adjusts the size of the cover body (1) by adjusting the positions of two adjacent assembly racks (11).

2. A check valve weight protection cover according to claim 1, characterized in that: The assembly frame (11) is formed with weight-reducing holes.

3. A check valve weight protection cover according to claim 1, characterized in that: The size adjustment mechanism comprises a plurality of second mounting holes (111) formed on the assembly rack (11), and two adjacent assembly racks (11) are connected by fasteners that sequentially pass through any one of the second mounting holes (111) on the two assembly racks (11).

4. A check valve weight protection cover according to claim 1, characterized in that: The size adjustment mechanism comprises a connecting member (21), at least one mounting hole one (211) formed on the connecting member (21), and a plurality of mounting holes two (111) formed on the assembly frame (11); two adjacent assembly frames (11) are connected to the corresponding mounting hole one (211) on the connecting member (21) by fasteners that pass through any one of the mounting holes two (111) on the two adjacent assembly frames (11).

5. A check valve weight protection cover according to claim 4, characterized in that: The connecting member (21) is a triangular piece, and three mounting holes (211) are formed on the triangular piece and are distributed in a right-angled triangle. The mounting holes (111) at the intersection of two adjacent assembly frames (11) are vertically arranged and connected to the mounting holes (211) at the right-angle side after being penetrated by fasteners, and the other two mounting holes (211) are connected to the corresponding mounting holes (111) on the two adjacent assembly frames (11) by fasteners.

6. A check valve weight protection cover according to claim 5, characterized in that: The fastener (22) is a fastening bolt, and the end of the fastening bolt is locked by a fastening nut.

7. A check valve weight protection cover according to claim 1, characterized in that: The assembly frame (11) comprises a bracket one (112), a bracket two (113) and a bracket three (114); the bracket one (112), the bracket two (113) and the bracket three (114) are respectively provided with a plurality of mounting holes two (111); the bracket one (112) and the bracket three (114) are located on the same side of the bracket two (113); the two ends of the bracket two (113) are respectively connected to the bracket one (112) and the bracket three (114) by fasteners; and the distance between the bracket one (112) and the bracket three (114) is adjusted by adjusting the position of the mounting holes two (111) on the bracket two (113) by the fasteners.

8. A check valve weight protection cover according to claim 1, characterized in that: The cover body (1) is mounted on a mounting hole of a valve cover (201) of a check valve (200) via a mounting plate.

9. A check valve weight protection cover according to claim 1, characterized in that: The cover body (1) is in the shape of a rectangular parallelepiped, and the cover body (1) of the check valve comprises an outer frame (101) composed of a plurality of the assembly frames (11) as length, width and height, and the front, rear, left and right sides of the outer frame (101) are respectively provided with at least one first connecting frame (102), and the two ends of the first connecting frame (102) are respectively connected to the two high sides of the corresponding side surfaces, and the first connecting frames (102) on the adjacent two side surfaces are directly connected or arranged with an interval up and down; The top surface of the outer frame (101) has at least one second connecting frame (103), and two ends of the second connecting frame (103) are respectively connected to two long sides of the top surface of the outer frame (101); The first connecting frame (102) and the second connecting frame (103) are both composed of assembly frames.

10. A check valve weight protection cover according to claim 9, characterized in that: The assembly rack is an L-shaped structure, and any one of the three assembly racks on the vertices of the cuboid is fixed to the other two assembly racks through connectors and fasteners.

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