CN217898472U

CN217898472U - Hexagonal washer bolt

Info

Publication number: CN217898472U
Application number: CN202221206873.4U
Authority: CN
Inventors: 杨禕冰
Original assignee: Yiyi Precision Hardware Shanghai Co ltd
Current assignee: Yiyi Precision Hardware Shanghai Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-25
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a hexagonal washer bolt belongs to bolt technical field, this hexagonal washer bolt, including threaded rod and hexagonal head, the threaded rod is installed the middle part position of hexagonal head, the surface of hexagonal head is seted up flutedly, the threaded rod is located the intermediate position of recess, the china department has been cup jointed on the surface of threaded rod, the size of recess inner wall with the size of china department is the same. Through setting up the recess, when utilizing the washer as the fastener, the whole inside that can get into the recess completely of washer, but still can utilize the washer to play the effect of fastening to being played by the fastener, also can not extend to the surperficial screw position on the threaded rod simultaneously, can not influence the connection effect that the screw thread corresponds length.

Description

Hexagonal washer bolt

Technical Field

The utility model belongs to the technical field of the bolt, concretely relates to hexagonal huasi bolt.

Background

Washer is the popular name of spring washer, and english is spring washer (spring washer), and the effect of washer is when carrying out the construction bolt for the more firm fastener of installation of bolt, common washer kind has a lot of on the market, including different materials, different shape and different size etc..

The traditional washer basically utilizes the elasticity of the washer, such as the elasticity of a rubber washer or the elasticity of metal, but the washer is directly arranged between the bolt and a fastened piece, and the existence of the washer occupies a part of the thread length due to the fact that the length of the thread groove of the bolt is certain, so that the problem that the thread length is not enough to be used is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hexagonal washer bolt to propose a current hexagonal washer bolt in solving above-mentioned background art in the use, because the existence of china department can occupy some thread length, thereby lead to the problem that thread length used inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hexagonal washer bolt, includes threaded rod and hexagonal head, the threaded rod is installed the middle part position of hexagonal head, the surface of hexagonal head is seted up flutedly, the threaded rod is located the intermediate position of recess, the washer has been cup jointed on the surface of threaded rod, grooved inner wall's size with the size of washer is the same.

Preferably, the washer comprises a connecting ring and a spring plate, and the spring plate is connected to the edge of the connecting ring.

Preferably, the elastic sheet is arranged in the middle of the connecting ring.

Preferably, the number of the elastic pieces comprises a plurality of elastic pieces, and the elastic pieces are uniformly arranged on the edge of the connecting ring in an annular mode.

Preferably, the connecting ring and the elastic sheet are both arranged as metal pieces and are mounted in a welding mode.

Preferably, the edge of the groove is provided with a limiting positioning groove corresponding to the elastic sheet, and the elastic sheet abuts against the inside of the limiting positioning groove.

Preferably, the depth of the limit positioning groove is from deep to shallow in the direction extending from the middle of the hexagonal head to the edge.

Preferably, the inside of recess is provided with the constant head tank, the connecting ring is close to one side of recess sets up the locating lever, the locating lever card is in the inside of constant head tank.

Preferably, the depth of the groove is the same as the thickness of the washer.

Preferably, the number of the positioning rods and the positioning grooves is the same as that of the elastic pieces, and the positioning rods and the positioning grooves are uniformly arranged in an annular mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the recess, when utilizing the washer as the fastener, the whole inside that can get into the recess completely of washer, but still can utilize the washer to play the effect of fastening to being played by the fastener, also can not extend to the surperficial screw position on the threaded rod simultaneously, can not influence the connection effect that the screw thread corresponds length.

2. The depth through setting up the restriction constant head tank is from the centre of hexagonal head to edge extending direction by the depth to shallowly, makes things convenient for the shell fragment to have sufficient space to shelve the shell fragment when being backward extruded, guarantees that the elastic force of shell fragment exerts to the biggest.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic side view of the structure of the present invention;

fig. 3 is a schematic diagram of a three-dimensional structure of the hexagonal head of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the washer of the present invention.

In the figure: 1. a threaded rod; 2. a hexagonal head; 3. a groove; 4. washer; 41. a connecting ring; 42. a spring plate; 5. a limiting positioning groove; 6. positioning a groove; 7. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hexagonal washer bolt, includes threaded rod 1 and hexagonal head 2, threaded rod 1 is installed the middle part position of hexagonal head 2, recess 3 is seted up on the surface of hexagonal head 2, threaded rod 1 is located the intermediate position of recess 3, the washer 4 has been cup jointed on the surface of threaded rod 1, the size of 3 inner walls of recess with washer 4's size is the same.

In this embodiment, through setting up recess 3, when utilizing washer 4 as the fastener, washer 4 is whole can get into the inside of recess 3 completely, but still can utilize washer 4 to play the effect of fastening to being played the fastener, can not extend to the surperficial screw thread position on the threaded rod 1 yet simultaneously, can not influence the connection effect that the screw thread corresponds length.

Specifically, the washer 4 includes a connecting ring 41 and a spring plate 42, and the spring plate 42 is connected to an edge of the connecting ring 41.

In this embodiment, utilize shell fragment 42 as elastic fastener, and utilize clamping ring 41 to install, the principle is simple and mounting structure is simple, and manufacturing cost is lower, is fit for using widely.

Specifically, the elastic sheet 42 is installed at the middle position of the connecting ring 41.

In this embodiment, the elastic sheet 42 is installed in the middle of the connecting ring 41, so that the elastic sheet 42 can be bent reversely, the overall elastic effect can be exerted to the maximum, and the fastening performance is the best.

Specifically, the number of the elastic pieces 42 includes 12, and the elastic pieces are uniformly arranged on the edge of the connecting ring 41 in an annular shape.

In this embodiment, the greater the number of the resilient sheets 42, the better the stability of the elasticity generated by the surface of the resilient sheets on the fastened member, and when any one of the resilient sheets 42 is damaged, the remaining resilient sheets 42 can be used normally.

Specifically, the connecting ring 41 and the elastic sheet 42 are both made of metal pieces and are mounted in a welding manner.

In this embodiment, the connection between the connection ring 41 and the elastic sheet 42 can be more stable by using the elastic property of the metal itself and the welding manner.

Specifically, the edge of the groove 3 is provided with a limiting positioning groove 5 corresponding to the elastic sheet 42, and the elastic sheet 42 abuts against the inside of the limiting positioning groove 5.

In this embodiment, the elastic sheet 42 is abutted against the inside of the restriction positioning slot 5, on one hand, the movement deviation is prevented, and on the other hand, the movement direction of the elastic sheet 42 is limited, and only along the slot direction of the restriction positioning slot 5.

Specifically, the depth of the limit positioning groove 5 is from deep to shallow in the direction from the middle of the hexagonal head 2 to the edge.

In this embodiment, the elastic sheet 42 is conveniently reversely recessed into the limiting positioning groove 5.

Specifically, the inside of recess 3 is provided with constant head tank 6, one side that the connecting ring 41 is close to recess 3 sets up locating lever 7, locating lever 7 card is in the inside of constant head tank 6.

In this embodiment, utilize locating lever 7 to inject the inside of constant head tank 6, when rotating the bolt, also can prevent that whole china department 4 from producing the skew.

Specifically, the depth of the groove 3 is the same as the thickness of the washer 4.

In this embodiment, be convenient for place the whole inside at recess 3 with china department 4, can not produce any influence to the screw precession of threaded rod 1.

Specifically, the number of the positioning rods 7 and the positioning grooves 6 is the same as that of the elastic pieces 42, and the positioning rods and the positioning grooves are uniformly arranged in an annular manner.

In this embodiment, no matter where the washer 4 rotates, the corresponding positioning rod 7 can be inserted into the positioning groove 6, and the elastic piece 42 can not be inserted into the limiting positioning groove 5.

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

Claims

1. The utility model provides a hexagonal washer bolt, includes threaded rod (1) and hexagonal head (2), threaded rod (1) is installed the middle part position of hexagonal head (2), its characterized in that: the surface of hexagonal head (2) is seted up flutedly (3), threaded rod (1) is located the intermediate position of flutedly (3), the washer (4) has been cup jointed on the surface of threaded rod (1), the size of recess (3) inner wall with the size of washer (4) is the same.

2. A hex washer bolt as claimed in claim 1, wherein: the washer (4) comprises a connecting ring (41) and an elastic sheet (42), wherein the elastic sheet (42) is connected to the edge position of the connecting ring (41).

3. A hex washer bolt as claimed in claim 2, wherein: the elastic sheet (42) is arranged in the middle of the connecting ring (41).

4. A hex washer bolt as claimed in claim 2, wherein: the number of the elastic sheets (42) comprises 12, and the elastic sheets are uniformly arranged on the edge of the connecting ring (41) in an annular mode.

5. A hex washer bolt as claimed in claim 2, wherein: the connecting ring (41) and the elastic sheet (42) are both made of metal pieces and are mounted in a welding mode.

6. A hex washer bolt as claimed in claim 2, wherein: the edge of the groove (3) is provided with a limiting positioning groove (5) corresponding to the elastic sheet (42), and the elastic sheet (42) abuts against the inside of the limiting positioning groove (5).

7. A hex washer bolt as claimed in claim 6, wherein: the depth of the limiting positioning groove (5) is from deep to shallow from the middle of the hexagonal head (2) to the edge extending direction.

8. A hex washer bolt as claimed in claim 2, wherein: the positioning groove (6) is formed in the groove (3), the positioning rod (7) is arranged on one side, close to the groove (3), of the connecting ring (41), and the positioning rod (7) is clamped in the positioning groove (6).

9. A hex washer bolt as claimed in claim 1, wherein: the depth of the groove (3) is the same as the thickness of the washer (4).

10. The hex washer bolt of claim 8, wherein: the number of the positioning rods (7) and the positioning grooves (6) is the same as that of the elastic sheets (42), and the positioning rods and the positioning grooves are uniformly arranged in an annular mode.