Maintenance-free bolt and nut protector

Abstract

The maintenance-free bolt and nut protector comprises an installation plate, a bolt and a protector body, the upper side and the lower side of the bolt are in threaded connection with the upper side and the lower side of the installation plate through threaded holes, the surface of the bolt is sleeved with the protector body, and a protection disc is fixedly installed on the surface of the protector body. An adjusting assembly is arranged in the protector; a clamping assembly is driven by a connecting rod to move, bolts are clamped through a first clamping frame and a second clamping frame, the effect that bolts of different sizes can be protected and installed conveniently when a user protects the bolts through a protector is achieved, consumption is saved, and the problem that when an existing bolt protector protects the bolts, the bolts cannot be installed conveniently is solved. If the size of the protector is not matched with the size of a bolt or a nut, installation can not be achieved or the protection effect is poor, and due to the fact that the price of a high-quality bolt and nut protector can be high, some users need to consider economic factors.

Description

Technical Field

[0001] The utility model belongs to the technical field of bolts and nuts, and particularly relates to a maintenance-free bolt and nut protector. Background Art

[0002] A bolt is a fastener with an external thread, usually consisting of a head and a screw. It must cooperate with a nut to tightly connect two parts with through holes. Bolt connection is a detachable connection method, because the two parts can be separated by simply unscrewing the nut from the bolt. The nut is a fastener with an internal threaded hole, generally in the shape of a flat hexagonal column or a flat square column. It cooperates with bolts, studs or machine screws to tightly connect two parts to make them a whole. Bolts and nuts may come into contact with various chemicals during use. These chemicals may cause corrosion to bolts and nuts, thereby affecting their performance and service life. The use of protectors can effectively prevent bolts and nuts from contacting harmful chemicals and extend their service life.

[0003] The problem with the prior art is that when the current bolt protector is used to protect the bolt, if the size of the protector does not match the size of the bolt or nut, it may result in failure to install or poor protection effect. In addition, since high-quality bolt and nut protectors may be expensive, this may be an issue that some users need to consider economic factors. Therefore, a maintenance-free bolt and nut protector is proposed to solve the above problem. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a maintenance-free bolt and nut protector, which is convenient for users to use the protector to protect bolts of different sizes and has the advantage of saving consumption. It solves the problem that when the current bolt protector is used to protect the bolt, if the size of the protector does not match the size of the bolt or nut, it may cause the bolt to be unable to be installed or the protection effect is poor. In addition, since the price of high-quality bolt and nut protectors may be high, this may be an issue that some users need to consider economic factors.

[0005] The utility model is implemented as follows: a maintenance-free bolt and nut protector comprises a mounting plate, a bolt and a protector, wherein the upper and lower sides of the bolt are threadedly connected to the upper and lower sides of the mounting plate through threaded holes, the interior of the protector is sleeved on the surface of the bolt, a protective plate is fixedly mounted on the surface of the protector, and an adjusting component is arranged inside the protector;

[0006] The adjustment assembly includes an adjustment slot, an adjustment rod and an adjustment ring. The adjustment slots and the adjustment rods are provided in plurality. The plurality of adjustment slots are provided on the surface of the protector. The surfaces of the plurality of adjustment rods are in contact with the surfaces of the adjustment slots. The inner wall of the adjustment ring is fixedly mounted on the side opposite to the adjustment rod.

[0007] A clamping assembly is arranged inside the protector.

[0008] As a preferred embodiment of the utility model, the clamping assembly includes a first clamping frame and a second clamping frame, the inner walls of the first clamping frame and the second clamping frame are in contact with the surface of the bolt, and the second clamping frame is located on the right side of the first clamping frame. By providing the clamping assembly, it can be used in conjunction with the adjustment assembly to facilitate the user to clamp bolts of different sizes and protect them in conjunction with the protector.

[0009] As a preferred embodiment of the present invention, two movable grooves are provided on the right side of the second clamping frame, and the right side of the first clamping frame extends to the right side of the movable groove. By setting the movable groove, the first clamping frame and the second clamping frame can be prevented from exceeding the moving stroke when moving in opposite directions.

[0010] As a preferred embodiment of the utility model, a cross bar is fixedly installed on the opposite side of the first clamping frame and the second clamping frame, and the opposite side of the cross bar extends to the outside of the protector. A spring is sleeved on the surface of the cross bar, and the left and right sides of the spring are fixedly installed to the first clamping frame, the side opposite to the second clamping frame and the inner wall of the protector. By arranging the cross bar and the spring, the first clamping frame and the second clamping frame can be rebounded by the rebound force of the spring after being squeezed by the connecting rod.

[0011] As a preferred embodiment of the utility model, two fixed blocks are fixedly installed on the top of the first clamping frame and the second clamping frame, and the opposite sides of the two fixed blocks are rotatably connected with connecting rods through a rotating shaft, and the connecting rods are inclined. By arranging the fixed blocks and the connecting rods, the fixed ring can be driven, so that the fixed blocks can be squeezed in the opposite direction through the connecting rods.

[0012] As a preferred embodiment of the utility model, a fixing ring is fixedly installed on one side opposite to the adjusting rod, and blocks are fixedly installed on both ends of the bottom of the fixing ring. The front side of the block is rotatably connected to the rear side of the connecting rod via a rotating shaft. By providing the fixing ring and the block, the downward movement of the adjusting ring can be achieved, so that the fixing ring can be driven to move upward by the adjusting rod, and the fixing ring drives the connecting rod to move by the block.

[0013] 1. The utility model improves the protective plate, the adjusting component, the clamping component, the movable groove, the cross bar, the spring, the fixed block, the connecting rod, the fixed ring and the clamping block. By using the adjusting component, the connecting rod can be used to drive the clamping component to move, so that the first clamping frame and the second clamping frame clamp the bolt, so that the user can protect and install bolts of different sizes when using the protector to protect the bolt, saving consumption, and solving the problem that when the current bolt protector is used to protect the bolt, if the size of the protector does not match the size of the bolt or nut, it may cause the inability to install or the protection effect is poor. In addition, since the price of high-quality bolt and nut protectors may be high, this may be a problem that some users need to consider economic factors.

[0014] 2. The utility model provides a protective plate so that when it is raining or windy, rainwater will not enter the inside of the protector through the adjustment groove and corrode the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of a mounting plate and a protector provided in an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of a mounting plate, a bolt and a protector provided in an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the disassembly and explosion of the bolt and the protector provided in the embodiment of the utility model;

[0018] Figure 4 It is an exploded schematic diagram of the adjustment assembly and the clamping assembly provided in the embodiment of the utility model.

[0019] In the figure: 1. mounting plate; 2. bolt; 3. protector; 4. protective plate; 5. adjustment assembly; 51. adjustment slot; 52. adjustment rod; 53. adjustment ring; 6. clamping assembly; 61. first clamping frame; 62. second clamping frame; 7. movable slot; 8. cross bar; 9. spring; 10. fixing block; 11. connecting rod; 12. fixing ring; 13. clamping block. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 4As shown, a maintenance-free bolt and nut protector provided by an embodiment of the utility model comprises a mounting plate 1, a bolt 2 and a protector 3, the upper and lower sides of the bolt 2 are threadedly connected to the upper and lower sides of the mounting plate 1 through threaded holes, the inside of the protector 3 is sleeved on the surface of the bolt 2, a protective plate 4 is fixedly installed on the surface of the protector 3, and an adjusting component 5 is arranged inside the protector 3;

[0023] The adjustment assembly 5 includes an adjustment slot 51, an adjustment rod 52 and an adjustment ring 53. There are a plurality of adjustment slots 51 and adjustment rods 52. The plurality of adjustment slots 51 are provided on the surface of the protector 3. The surfaces of the plurality of adjustment rods 52 are in contact with the surfaces of the adjustment slots 51. The inner wall of the adjustment ring 53 is fixedly mounted on the side opposite to the adjustment rod 52.

[0024] A clamping assembly 6 is arranged inside the protector 3 .

[0025] refer to Figure 2 and Figure 4 The clamping assembly 6 includes a first clamping frame 61 and a second clamping frame 62 . The inner walls of the first clamping frame 61 and the second clamping frame 62 are in contact with the surface of the bolt 2 , and the second clamping frame 62 is located on the right side of the first clamping frame 61 .

[0026] The above solution is adopted: by providing the clamping assembly 6, it can be used in conjunction with the adjusting assembly 5, so that the user can clamp the bolts 2 of different sizes and protect them in conjunction with the protector 3.

[0027] refer to Figure 2 and Figure 4 The right side of the second clamping frame 62 is provided with two moving grooves 7 , and the right side of the first clamping frame 61 extends to the right side of the moving groove 7 .

[0028] By adopting the above solution, by providing the moving groove 7, the first clamping frame 61 and the second clamping frame 62 can be prevented from exceeding the moving stroke when they move in opposite directions.

[0029] refer to Figure 2 and Figure 4 A cross bar 8 is fixedly installed on the opposite side of the first clamping frame 61 and the second clamping frame 62, and the opposite side of the cross bar 8 penetrates to the outside of the protector 3. A spring 9 is sleeved on the surface of the cross bar 8, and the left and right sides of the spring 9 are fixedly installed on the first clamping frame 61 and the opposite side of the second clamping frame 62 and the inner wall of the protector 3.

[0030] By adopting the above solution, by providing the cross bar 8 and the spring 9 , the first clamping frame 61 and the second clamping frame 62 can be rebounded by the rebound force of the spring 9 after being squeezed by the connecting rod 11 .

[0031] refer to Figure 2 and Figure 4 Two fixing blocks 10 are fixedly installed on the top of the first clamping frame 61 and the second clamping frame 62. The opposite sides of the two fixing blocks 10 are rotatably connected with connecting rods 11 through rotating shafts, and the connecting rods 11 are inclined.

[0032] The above solution is adopted: by providing the fixing block 10 and the connecting rod 11 , the fixing ring 12 can be driven, so that the fixing block 10 can be squeezed in the opposite direction by the connecting rod 11 .

[0033] refer to Figure 2 and Figure 4 A fixing ring 12 is fixedly installed on one side opposite to the adjusting rod 52, and a clamping block 13 is fixedly installed on both ends of the bottom of the fixing ring 12. The front side of the clamping block 13 is rotatably connected to the rear side of the connecting rod 11 through a rotating shaft.

[0034] By adopting the above solution: by setting the fixing ring 12 and the block 13, the downward movement of the adjusting ring 53 can be controlled, so that the fixing ring 12 can be driven to move upward by the adjusting rod 52, and the fixing ring 12 can use the block 13 to drive the connecting rod 11 to move.

[0035] When in use, the user first moves the adjusting ring 53 downward so that the adjusting ring 53 drives the adjusting rod 52 to move downward on the surface of the adjusting groove 51, so that the movement of the adjusting rod 52 can simultaneously drive the fixing ring 12 to move downward, so that the movement of the fixing ring 12 can squeeze the connecting rod 11 downward, and after the connecting rod 11 is squeezed, the first clamping frame 61 and the second clamping frame 62 can be squeezed in opposite directions, so that the first clamping frame 61 and the second clamping frame 62 move in opposite directions and squeeze the spring 9 at the same time, and then the user sets the protector 3 on the surface of the bolt 2 and loosens the adjusting ring 53, the first clamping frame 61 and the second clamping frame 62 will rebound by the rebound force of the spring 9, and use the first clamping frame 61 and the second clamping frame 62 to clamp the bolt 2, and use the protector 3 to protect it.

[0036] To sum up: this maintenance-free bolt and nut protector, through the coordinated use of mounting plate 1, bolt 2, protector 3, protective plate 4, adjustment assembly 5, adjustment slot 51, adjustment rod 52, adjustment ring 53, clamping assembly 6, first clamping frame 61, second clamping frame 62, movable slot 7, cross bar 8, spring 9, fixed block 10, connecting rod 11, fixed ring 12 and clamping block 13, solves the problem that when the current bolt protector is used to protect the bolt, if the size of the protector does not match the size of the bolt or nut, it may cause the bolt to be unable to be installed or the protection effect is poor; and because the price of high-quality bolt and nut protectors may be high, this may be an issue that some users need to consider economic factors.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maintenance-free bolt and nut protector, comprising a mounting plate (1), a bolt (2) and a protector (3), wherein the upper and lower sides of the bolt (2) are threadedly connected to the upper and lower sides of the mounting plate (1) through threaded holes, and the interior of the protector (3) is sleeved on the surface of the bolt (2), characterized in that: A protective plate (4) is fixedly mounted on the surface of the protector (3), and an adjustment component (5) is arranged inside the protector (3); The adjustment assembly (5) comprises an adjustment groove (51), an adjustment rod (52) and an adjustment ring (53); a plurality of the adjustment grooves (51) and the adjustment rod (52) are provided; a plurality of the adjustment grooves (51) are provided on the surface of the protector (3); a plurality of surfaces of the adjustment rods (52) are in contact with the surface of the adjustment grooves (51); and an inner wall of the adjustment ring (53) is fixedly mounted on a side opposite to the adjustment rod (52); A clamping assembly (6) is arranged inside the protector (3).

2. A maintenance-free bolt and nut protector as claimed in claim 1, characterized in that: The clamping assembly (6) comprises a first clamping frame (61) and a second clamping frame (62), the inner walls of the first clamping frame (61) and the second clamping frame (62) both being in contact with the surface of the bolt (2), and the second clamping frame (62) being located on the right side of the first clamping frame (61).

3. A maintenance-free bolt and nut protector as claimed in claim 2, characterized in that: The right side of the second clamping frame (62) is provided with two movable grooves (7), and the right side of the first clamping frame (61) extends to the right side of the movable groove (7).

4. A maintenance-free bolt and nut protector as claimed in claim 2, characterized in that: A cross bar (8) is fixedly mounted on the opposite side of the first clamping frame (61) and the second clamping frame (62), and the opposite side of the cross bar (8) penetrates to the outside of the protector (3). A spring (9) is sleeved on the surface of the cross bar (8), and the left and right sides of the spring (9) are fixedly mounted to the first clamping frame (61), the opposite side of the second clamping frame (62) and the inner wall of the protector (3).

5. A maintenance-free bolt and nut protector as claimed in claim 2, characterized in that: Two fixing blocks (10) are fixedly mounted on the top of each of the first clamping frame (61) and the second clamping frame (62); opposite sides of the two fixing blocks (10) are rotatably connected to connecting rods (11) via rotating shafts; the connecting rods (11) are inclined.

6. A maintenance-free bolt and nut protector as claimed in claim 5, characterized in that: A fixing ring (12) is fixedly mounted on one side opposite to the adjusting rod (52), and clamping blocks (13) are fixedly mounted on both ends of the bottom of the fixing ring (12), and the front side of the clamping block (13) is rotatably connected to the rear side of the connecting rod (11) via a rotating shaft.

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