V-shaped groove clamp

Abstract

The utility model belongs to the technical field of flange sealing, and particularly relates to a V-shaped groove clamp which comprises a clamp body and a locking assembly arranged at the opening end of the clamp body. The locking assembly comprises a first connecting steel sheet arranged at the first opening end of the clamp body, a second connecting steel sheet arranged at the second opening end of the clamp body and a locking bolt used for connecting the first connecting steel sheet and the connecting steel sheets. A supporting stud and a locking nut are arranged on the locking bolt, a U-shaped opening is formed in the first connecting steel sheet, the upper end of the first connecting steel sheet is of a bent structure, the length of the bent structure is not smaller than the width of the supporting stud, and the bent structure is used for limiting the supporting stud after the locking bolt is pressed into the U-shaped opening; according to the utility model, the hoop locking structure is designed to be an opening type structure, so that the locking bolt can be directly pressed into the opening to realize quick assembly or disassembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of flange sealing, and particularly relates to a V-groove clamp. Background Art

[0002] The statements in this section merely provide background technical information related to the present invention and do not necessarily constitute prior art.

[0003] The V-type clamp is a structure that uses extrusion to achieve sealing between flanges. The locking structure is a V-groove style. The two ends of the V-type clamp are tightened by bolts. It is a connection mechanism that converts circumferential tension into axial pressure between flanges.

[0004] like Figure 1 As shown, the current V-type clamp locking solution usually adopts conventional bolt and nut connection locking. During the disassembly and assembly of the clamp, the nut needs to be completely unscrewed, and the nut does not have a nut anti-falling function, which not only affects the disassembly and assembly efficiency, but also causes the problem of nut falling off and being lost during transportation;

[0005] Moreover, it is difficult to prevent the bolts from loosening and the torque of the nuts cannot be guaranteed. For example, when the bolts are in a vibrating environment, the nuts connected to them with threads will be displaced and misaligned, which will reduce the preload force and cause the bolts and nuts to loosen during assembly. Utility Model Content

[0006] In order to overcome the above-mentioned deficiencies in the prior art, the utility model provides a V-groove clamp.

[0007] To achieve the above objectives, one or more embodiments of the present invention provide the following technical solutions:

[0008] The utility model provides a V-groove clamp in a first aspect, comprising: a clamp body and a locking assembly arranged at an open end of the clamp body;

[0009] The locking assembly comprises a first connecting steel sheet arranged at a first opening end of the clamp body, a second connecting steel sheet arranged at a second opening end of the clamp body, and a locking bolt for connecting the first connecting steel sheet and the second connecting steel sheet;

[0010] The locking bolt is provided with a support stud and a locking nut, and a U-shaped opening is opened on the first connecting steel sheet. The upper end of the first connecting steel sheet is a bending structure, and the length of the bending structure is not less than the width of the support stud. The bending structure is used to limit the support stud after the locking bolt is pressed into the U-shaped opening.

[0011] Furthermore, the clamp body is an arc-shaped steel belt, and the first connecting steel sheet and the second connecting steel sheet are integrally formed with the arc-shaped steel belt.

[0012] Furthermore, one end of the locking bolt is a T-shaped end, and the T-shaped end is rotatably disposed in a space enclosed by the second connecting steel sheet and the clamp body;

[0013] The other end of the locking bolt is a threaded end, and the locking of the V-shaped clamp is achieved by pressing the threaded end into the U-shaped opening of the first connecting steel sheet.

[0014] Furthermore, a limiting protrusion is provided on the end surface of the threaded end for preventing the locking nut from falling off.

[0015] Furthermore, one end of the second connecting steel sheet is fixed to the second open end of the clamp body, and the other end is bent toward the outer arc side of the clamp body and then fixed to the clamp body. A space for accommodating the T-shaped end of the locking bolt is formed at the bent position, and an arc groove that cooperates with the locking bolt is opened at the bent position.

[0016] Furthermore, the height of the first connecting steel sheet is not less than the height of the supporting stud.

[0017] Furthermore, the upper end of the first connecting steel sheet is bent toward the outer arc side of the clamp body to form a bent structure.

[0018] Furthermore, a plurality of V-shaped grooves for sealing the connecting flange are evenly arranged on the inner side surface of the arc-shaped steel belt.

[0019] Furthermore, the number of the V-shaped grooves is 3.

[0020] Furthermore, the V-shaped groove includes an arc-shaped bottom plate fixedly arranged on the arc-shaped steel belt, and a first side plate and a second side plate obliquely arranged on both sides of the arc-shaped bottom plate.

[0021] One or more of the above technical solutions have the following beneficial effects:

[0022] (1) The utility model designs the clamp locking structure as an open structure, so that the locking bolt can be directly pressed into the opening to achieve quick installation or removal; and the first connecting steel sheet is an elastic steel sheet structure, so that the locking structure of the utility model has the anti-loosening function of a spring gasket, effectively preventing the torque from attenuating after tightening.

[0023] (2) The utility model can prevent the nut from slipping off by designing the end of the locking bolt to have a welding point.

[0024] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0026] Figure 1 It is a structural diagram of a V-groove clamp in the prior art.

[0027] Figure 2 This is an exploded view of a V-groove clamp of Example 1.

[0028] Figure 3 This is a schematic structural diagram of a V-groove clamp in Example 1.

[0029] Figure 4 This is a structural diagram of the clamp body of Example 1.

[0030] Figure 5 for Figure 4 A magnified view of the structure in Figure 2.

[0031] Figure 6 This is a front view of the locking bolt of Example 1.

[0032] Figure 7 This is a side view of the locking bolt of Example 1.

[0033] In the figure, 1. clamp body, 101. first connecting steel sheet, 1011. bending structure of the first connecting steel sheet, 102. second connecting steel sheet, 1021. bending position of the second connecting steel sheet, 1022. mounting hole of locking bolt, 1023. arc groove, 2. locking bolt, 201. limiting protrusion, 3. supporting stud, 4. locking nut, 5. V-shaped groove. DETAILED DESCRIPTION

[0034] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0035] Embodiment 1

[0036] like Figures 2 to 3 As shown, the utility model provides a V-groove clamp, comprising: a clamp body 1 and a locking assembly arranged at the open end of the clamp body;

[0037] The opening end of the clamp body includes a first opening end and a second opening end, and the locking assembly includes a first connecting steel sheet 101 arranged at the first opening end of the clamp body, a second connecting steel sheet 102 arranged at the second opening end of the clamp body, and a locking bolt 2 for connecting the first connecting steel sheet 101 and the second connecting steel sheet 102;

[0038] A support stud 3 and a locking nut 4 are provided on the locking bolt 2, a U-shaped opening is opened on the first connecting steel sheet 101, and the upper end of the first connecting steel sheet 101 is a bending structure 1011, and the length of the bending structure 1011 is not less than the width of the support stud 3, and the bending structure 1011 is used to limit the support stud 3 after the locking bolt 2 is pressed into the U-shaped opening of the first connecting steel sheet 101.

[0039] The first connecting steel sheet 101 of the utility model is of semi-open design, so that the locking bolt 2 can be directly pressed into the opening to realize quick installation or disassembly; and the first connecting steel sheet 101 is vertically inclined and arranged at the first opening end of the clamp body. The first connecting steel sheet 101 is an elastic steel sheet structure, and its size can be adaptively adjusted according to the size of the supporting stud, so that the locking structure of the utility model has the anti-loosening function of the spring gasket, which effectively prevents the torque attenuation after tightening; when the nut becomes loose, the first connecting steel sheet 101 rebounds to play an anti-loosening role, which can prevent the bolt and nut from loosening during assembly.

[0040] Further, such as Figure 4 , Figure 5 As shown, one end of the second connecting steel sheet 102 is fixed to the second open end of the clamp body 1, and the other end of the second connecting steel sheet 102 is bent toward the outer arc side of the clamp body 1 and fixed to the clamp body 1, and a mounting hole 1022 for accommodating the T-shaped end of the locking bolt is formed at the bending position 1021, and an arc groove 1023 that cooperates with the locking bolt 2 is opened at the bending position 1021.

[0041] The bottom end of the first connecting steel sheet 101 is fixed to the first opening end of the clamp body 1, and the upper end is bent toward the outer arc side of the clamp body 1 to form a bending structure 1011, and the width of the U-shaped opening of the first connecting steel sheet 101 is not less than the width of the locking bolt 2, so that the locking bolt 2 can be pressed into the U-shaped opening of the first connecting steel sheet 101; the height of the first connecting steel sheet 101 is not less than the height of the supporting stud 3, and the length of the bending structure 1011 is not less than the width of the supporting stud 3, so that the supporting stud 3 and the locking nut 4 can be tightened toward the first connecting steel sheet 101 to limit their position.

[0042] Among them, the clamp body 1 is an arc-shaped steel strip, the first connecting steel sheet 101 and the second connecting steel sheet 102 are both integrally formed with the arc-shaped steel strip, and the transition sections connecting the first connecting steel sheet 101 and the second connecting steel sheet 102 with the arc-shaped steel strip are both arc-shaped structures, the purpose is to utilize the elastic properties of the first connecting steel sheet 101 to provide bolt anti-loosening capability.

[0043] Furthermore, one end of the locking bolt 3 is a T-shaped end, which is rotatably arranged in the space enclosed by the second connecting steel sheet 102 and the clamp body 1; the other end of the locking bolt 3 is a threaded end, which is pressed into the U-shaped opening of the first connecting steel sheet 101, and then the supporting stud 3 and the locking nut 4 are tightened, and the supporting stud 3 is made to fit tightly against the first connecting steel sheet 101, thereby achieving the locking of the V-shaped clamp.

[0044] Further, such as Figure 6 , Figure 7 As shown, a limiting protrusion 201 is provided on the end face of the threaded end to prevent the locking nut 4 from falling off; the limiting protrusion 201 is a welding point, and there are two of them, which are symmetrically arranged at the edge of the end face of the threaded end. The utility model can prevent the nut from slipping off by designing the end of the locking bolt 2 as a structure with a welding point.

[0045] Furthermore, a plurality of V-shaped grooves for sealing the connecting flange are evenly arranged on the inner side surface of the arc-shaped steel belt in the circumferential direction; the number of the V-shaped grooves is 3, and the V-shaped groove includes an arc-shaped bottom plate fixedly arranged on the arc-shaped steel belt and a first side plate and a second side plate obliquely arranged on both sides of the arc-shaped bottom plate; and the inclination directions of the first side plate and the second side plate are opposite, so that the space enclosed by the arc-shaped bottom plate, the first side plate and the second side plate forms a V-shaped groove.

[0046] Although the above describes the specific implementation methods of the utility model in combination with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A V-groove clamp, characterized in that: include: A clamp body and a locking assembly disposed at an open end of the clamp body; The locking assembly comprises a first connecting steel sheet arranged at a first opening end of the clamp body, a second connecting steel sheet arranged at a second opening end of the clamp body, and a locking bolt for connecting the first connecting steel sheet and the connecting steel sheet; The locking bolt is provided with a support stud and a locking nut, and a U-shaped opening is opened on the first connecting steel sheet. The upper end of the first connecting steel sheet is a bending structure, and the length of the bending structure is not less than the width of the support stud. The bending structure is used to limit the support stud after the locking bolt is pressed into the U-shaped opening.

2. A V-groove clamp according to claim 1, characterized in that: The clamp body is an arc-shaped steel belt, and the first connecting steel sheet and the second connecting steel sheet are integrally formed with the arc-shaped steel belt.

3. A V-groove clamp according to claim 1, characterized in that: One end of the locking bolt is a T-shaped end, and the T-shaped end is rotatably arranged in a space surrounded by the second connecting steel sheet and the clamp body; The other end of the locking bolt is a threaded end, and the locking of the V-shaped clamp is achieved by pressing the threaded end into the U-shaped opening of the first connecting steel sheet.

4. A V-groove clamp according to claim 3, characterized in that: A limiting protrusion for preventing the locking nut from falling off is provided on the end surface of the threaded end.

5. The V-groove clamp according to claim 3, characterized in that: One end of the second connecting steel sheet is fixed to the second open end of the clamp body, and the other end is bent toward the outer arc side of the clamp body and fixed to the clamp body. A space for accommodating the T-shaped end of the locking bolt is formed at the bent position, and an arc groove cooperating with the locking bolt is opened at the bent position.

6. A V-groove clamp according to claim 1, characterized in that: The height of the first connecting steel sheet is not less than the height of the supporting stud.

7. The V-groove clamp according to claim 1, characterized in that: The upper end of the first connecting steel sheet is bent toward the outer arc side of the clamp body to form a bent structure.

8. The V-groove clamp according to claim 2, characterized in that: The inner side surface of the arc-shaped steel belt is evenly provided with a plurality of V-shaped grooves for sealing the connecting flange.

9. A V-groove clamp according to claim 8, characterized in that: The number of the V-shaped grooves is 3.

10. The V-groove clamp according to claim 8, characterized in that: The V-shaped groove comprises an arc-shaped bottom plate fixedly arranged on the arc-shaped steel belt and a first side plate and a second side plate obliquely arranged on both sides of the arc-shaped bottom plate.

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