CN220766247U - Hanging nail fixing device - Google Patents

Abstract

The utility model relates to a hanging nail fixing device, wherein a screw rod is fixedly arranged at the bottom of a hanging nail, a bolt is arranged on an external thread of the screw rod, a positioning mechanism is arranged on the hanging nail, and an annular sleeve is fixedly arranged at the top of the positioning mechanism. This hang nail fixing device, through setting up positioning mechanism and annular cover, annular cover is in the outside of hanging the nail, positioning mechanism cover is in the outside of bolt, the condition that has reduced hanging nail and bolt to rock takes place, through setting up hanging nail, the screw rod, bolt and positioning mechanism, first with positioning mechanism cover in the outside of hanging the nail, again with the bolt cover in the outside of screw rod and rotate, until screw up the bolt, use positioning mechanism to fix a position bolt, screw rod and hanging nail, the reduction is because of the not enough axial force attenuation that causes of pretightning force, the condition that leads to threaded connection to become flexible takes place, the fixed effect to hanging the nail has been improved, thereby possess the advantage that fixed effect is good, convenient to use.

Description

Hanging nail fixing device

Technical Field

The utility model relates to the technical field of hanging nails, in particular to a hanging nail fixing device.

Background

The hanging nail is generally a hanging screw, the hanging screw is used as a standard fastener, the application of the hanging screw in electromechanical products is very wide, the hanging screw mainly plays the following three roles in hoisting load, 1. The bearing role is: eye screws have good load bearing capacity and are therefore often used for lifting and securing heavy machinery and equipment; 2. the connection function is as follows: the eye screw can be connected with different parts and components to form a stable integral structure so as to better realize the working function; 3. fixing function: the lifting screw can fix or position mechanical and structural parts, so that the lifting screw cannot loosen or fall off in the use process, and the working safety and the product quality are ensured.

The screw rod is generally fixed to the bottom of a common hanging nail in the market, the screw rod is fixed through the bolt, and therefore the hanging nail is fixed, although the connection mode of the bolt and the screw rod is simpler, the bolt is sleeved outside the screw rod and rotated until the bolt is screwed, the connection essence of the bolt and the screw rod is kept together through axial force, the axial force attenuation possibly caused by insufficient pretightening force can be caused, the threaded connection is loose, the fixing effect of the hanging nail is influenced, and improvement is needed, so that the hanging nail fixing device is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a hanging nail fixing device which has the advantages of good fixing effect and the like, and solves the problems that the connecting essence of a bolt and a screw is kept together through axial force, the axial force is possibly attenuated due to insufficient pretightening force, the threaded connection is loosened, and the fixing effect of the hanging nail is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the hanging nail fixing device comprises hanging nails, wherein screw rods are fixedly arranged at the bottoms of the hanging nails, bolts are arranged on external threads of the screw rods, and positioning mechanisms are arranged on the hanging nails;

the positioning mechanism comprises an annular plate, the annular plate is sleeved outside the hanging nails, two cavities are formed in the annular plate, springs are fixedly installed on the opposite sides of the inner walls of the cavities, moving plates penetrating through and extending to the lower portions of the annular plate are fixedly installed on the opposite sides of the springs, connecting plates are fixedly installed on the left side and the right side of the bolts, and positioning plates are fixedly installed on the bottoms of the moving plates.

Further, through holes are formed in the annular plate, and the through holes are matched with the screw rods.

Further, two moving holes are formed in the bottom of the annular plate, and the two moving holes are matched with the two moving plates respectively.

Further, one side of the two connecting plates, which are opposite, is arc-shaped, and the two positioning plates are respectively matched with the two connecting plates.

Further, an annular sleeve is fixedly arranged at the top of the annular plate, and the annular sleeve is matched with the hanging nails.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this hang nail fixing device through setting up nail, screw rod, bolt and positioning mechanism, overlaps positioning mechanism in the outside of nail earlier, overlaps the bolt in the outside of screw rod and rotate again until screw up the bolt, uses positioning mechanism to fix a position bolt, screw rod and nail, has reduced because of the not enough axial force attenuation that causes of pretightning force, leads to the loose condition of threaded connection to take place, has improved the fixed effect to the nail to possess fixed effectual advantage, made things convenient for the use.

2. This hang nail fixing device through setting up positioning mechanism and annular cover, and annular cover overlaps in the outside of hanging the nail, and positioning mechanism overlaps in the outside of bolt, has reduced the condition emergence that hangs nail and bolt rocked, has improved the fixed effect to hanging the nail to possess fixed effectual advantage, made things convenient for the use.

Drawings

FIG. 1 is a top perspective view of the present utility model;

FIG. 2 is a bottom perspective view of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1 hanging nail, 2 screw rods, 3 bolts, 4 positioning mechanisms, 41 annular plates, 42 springs, 43 moving plates, 44 connecting plates, 45 positioning plates and 5 annular sleeves.

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.

Referring to fig. 1-4, a hanging nail fixing device in the present embodiment includes a hanging nail 1, a screw rod 2 fixedly installed at the bottom of the hanging nail 1, a bolt 3 installed on an external thread of the screw rod 2, and a positioning mechanism 4 provided on the hanging nail 1;

specifically, the positioning mechanism 4 is sleeved outside the hanging nail 1, the bolt 3 is sleeved outside the screw rod 2 and rotated until the bolt 3 is screwed, the positioning mechanism 4 is used for positioning the bolt 3, the screw rod 2 and the hanging nail 1, the axial force attenuation caused by insufficient pretightening force is reduced, the screw connection loosening is caused, and the fixing effect on the hanging nail is improved.

In this embodiment, the positioning mechanism 4 includes an annular plate 41, a through hole is formed in the annular plate 41, the through hole is matched with the screw 2, an annular sleeve 5 is fixedly mounted on the top of the annular plate 41, and the annular sleeve 5 is matched with the hanging nail 1.

Specifically, the annular sleeve 5 is sleeved outside the hanging nail 1, the annular plate 41 is sleeved outside the bolt 3, the shaking of the hanging nail 1 and the bolt 3 is reduced, and the fixing effect on the hanging nail is improved.

In this embodiment, annular plate 41 cup joints in the outside of hanging nail 1, two cavitys have been seted up to the inside fixed mounting of annular plate 41, the equal fixed mounting in one side of two cavity inner walls opposite has spring 42, the equal fixed mounting in one side of two spring 42 opposite has run through and extends to the movable plate 43 of annular plate 41 below, two movable holes have been seted up to the bottom of annular plate 41, two movable holes respectively with two movable plates 43 assorted, the equal fixed mounting in the left and right sides of bolt 3 has connecting plate 44, the equal fixed mounting in bottom of two movable plates 43 has locating plate 45, the one side that two connecting plates 44 are the arc on the back, two locating plate 45 respectively with two connecting plate 44 assorted.

Specifically, the two positioning plates 45 are moved back to back, the two positioning plates 45 drive the two moving plates 43 to move back to back, the two moving plates 43 compress the two springs 42, then the bolt 3 is sleeved outside the screw rod 2 and rotates until the bolt 3 is screwed, finally the two positioning plates 45 are loosened, the two springs 42 recover to deform to drive the two moving plates 43 and the two positioning plates 45 to move relatively, the two positioning plates 45 are attached to the two connecting plates 44, the bolt 3, the screw rod 2 and the hanging nail 1 can be positioned, and looseness is not easy to occur.

In addition, the size of the annular plate 41 is customized according to the size of the hanging nail 1, the size of the annular sleeve 5 is customized according to the size of the screw rod 2, the sizes of the two moving holes are customized according to the sizes of the two moving plates 43, and the positions of the two connecting plates 44 are customized according to the positions of the two positioning plates 45, so that the matched effect is achieved.

The working principle of the embodiment is as follows:

the annular sleeve 5 is sleeved outside the hanging nail 1, the annular plate 41 is sleeved outside the bolt 3, shaking of the hanging nail 1 and the bolt 3 is reduced, the two positioning plates 45 are moved back to back, the two positioning plates 45 drive the two moving plates 43 to move back to back, the two moving plates 43 compress the two springs 42, then the bolt 3 is sleeved outside the screw rod 2 and rotates until the bolt 3 is screwed, finally the two positioning plates 45 are loosened, the two springs 42 recover deformation to drive the two moving plates 43 and the two positioning plates 45 to move relatively, the two positioning plates 45 are attached to the two connecting plates 44, the bolt 3, the screw rod 2 and the hanging nail 1 can be positioned, axial force attenuation caused by insufficient pre-tightening force is reduced, screw connection loosening is caused, and the fixing effect on the hanging nail 1 is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hanging nail fixing device, includes hanging nail (1), the bottom fixed mounting of hanging nail (1) has screw rod (2), bolt (3) are installed to the external screw thread of screw rod (2), its characterized in that: a positioning mechanism (4) is arranged on the hanging nail (1);

positioning mechanism (4) are including annular board (41), annular board (41) cup joints in the outside of peg (1), two cavities have been seted up to the inside fixed mounting of annular board (41), two equal fixed mounting in one side that the cavity inner wall is relative has spring (42), two equal fixed mounting in one side that spring (42) is relative has and runs through and extend to movable plate (43) of annular board (41) below, the equal fixed mounting in left and right sides of bolt (3) has connecting plate (44), two equal fixed mounting in bottom of movable plate (43) has positioning plate (45).

2. A staple fastening device as defined in claim 1, wherein: and through holes are formed in the annular plate (41) and matched with the screw rods (2).

3. A staple fastening device as defined in claim 1, wherein: two moving holes are formed in the bottom of the annular plate (41), and the two moving holes are matched with the two moving plates (43) respectively.

4. A staple fastening device as defined in claim 1, wherein: the two opposite sides of the connecting plates (44) are arc-shaped, and the two positioning plates (45) are respectively matched with the two connecting plates (44).

5. A staple fastening device as defined in claim 1, wherein: an annular sleeve (5) is fixedly arranged at the top of the annular plate (41), and the annular sleeve (5) is matched with the hanging nail (1).