CN214661421U

CN214661421U - Hexagonal perforated bolt with retaining function

Info

Publication number: CN214661421U
Application number: CN202023231600.9U
Authority: CN
Inventors: 叶荣国
Original assignee: Hefei Jiahong Machinery Co ltd
Current assignee: Hefei Jiahong Machinery Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-09
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a hexagonal perforated bolt with stopping function, which relates to the technical field of hexagonal bolts and comprises a screw part, wherein one side of the top of the screw part is provided with a through hole in a penetrating way, and a stopping component is arranged at the inner side of the through hole; the anti-return assembly comprises a middle mounting plate, the middle mounting plate is fixedly arranged in the middle of the inner side of the through hole, springs A are arranged at the top and the bottom of the middle mounting plate, anti-return fixture blocks are arranged at the end parts of the two springs A, and a guide inclined plane is arranged on one side of the end part of each anti-return fixture block; the one end that the through-hole was kept away from to screw rod portion is fixed to be provided with hexagonal bolt cap portion, the one end that the through-hole was kept away from in the screw rod portion outside is cup jointed and is provided with the dustcoat. The utility model discloses need not to set up extra pin pole, can avoid losing the condition of stopping function because of the screw section that the pin pole drops and leads to, when in-service use is more convenient, the result of use is more ideal.

Description

Hexagonal perforated bolt with retaining function

Technical Field

The utility model relates to a hexagon bolt technical field, in particular to hexagon hole-punched bolt with stopping function.

Background

The bolt is a fastener consisting of a bolt cap and a screw, generally needs to be matched with a nut for use, is used for fastening and connecting two workpieces with through holes, is called as bolt connection in a connection mode, is an indispensable important part for connection between mechanical parts and device fixation, is very convenient to use, and is simple and convenient to install.

In the prior art, in order to avoid the situation that the hexagon bolt rotates backward due to external force in the use process, a through hole is usually arranged at the screw rod part of the hexagon bolt, so that after the bolt is screwed in, a pin rod can be inserted into the through hole, and further the hexagon bolt is prevented from retreating due to external force rotation.

Therefore, it is necessary to provide a hexagonal hole-piercing bolt with a retaining function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hexagonal hole-piercing bolt with stopping function to when solving the mode that adopts the pin rod to fix that proposes in the above-mentioned background art, need the technical staff extra equipment pin rod, the pin rod breaks away from because of external factors easily after inserting the through-hole inside simultaneously, and then leads to the hex bolts to lose the stopping function, and is comparatively inconvenient during the in-service use, and the not ideal problem of result of use inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: a hexagonal perforated bolt with a backstop function comprises a screw rod part, wherein a through hole penetrates through one side of the top of the screw rod part, and a backstop assembly is arranged on the inner side of the through hole;

the anti-return assembly comprises a middle mounting plate, the middle mounting plate is fixedly arranged in the middle of the inner side of the through hole, springs A are arranged at the top and the bottom of the middle mounting plate, anti-return fixture blocks are arranged at the end parts of the two springs A, and a guide inclined plane is arranged on one side of the end part of each anti-return fixture block;

the fixed hexagonal bolt cap portion that is provided with of one end that the through-hole was kept away from to screw rod portion, the one end that the through-hole was kept away from in the screw rod portion outside is cup jointed and is provided with the dustcoat, evenly fixed being provided with a plurality of spring B, a plurality of on the lateral wall of opening part is kept away from to the dustcoat inboard spring B is the annular and distributes.

Preferably, one end of the spring A is fixedly connected with the middle mounting plate, and the other end of the spring A is fixedly connected with the retaining fixture block.

Preferably, one end of the spring B is fixedly connected with the inner wall of the outer cover, and the other end of the spring B is fixedly connected with the hexagonal bolt cap part.

Preferably, a positioning sliding rod is arranged on the inner side of the spring B, and the end part of the positioning sliding rod is fixedly connected with the inner wall of the outer cover.

Preferably, a plurality of positioning sleeves are uniformly arranged on the side surface of the hexagonal bolt cap in a penetrating manner, the positioning sliding rod is positioned on the inner side of the positioning sleeve, and the positioning sliding rod is in sliding connection with the positioning sleeve.

Preferably, the screw part is provided with the guide part near the one end of through-hole, guide part and screw part fixed connection.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with the stopping subassembly, utilize dustcoat cooperation spring B to compensate the stopping subassembly simultaneously, and then make the through-hole when moving to the screw outside, the stopping fixture block in the stopping subassembly can carry on spacingly to the screw portion automatically under the elastic action of direction inclined plane, cooperate the compressing tightly of dustcoat and spring B, when effectively connecting two work pieces, can avoid the screw portion to take place the circumstances of withdrawing from because of the external force is rotatory, compare in the prior art device of the same type, the utility model discloses need not to set up extra pin rod, can avoid the screw portion that leads to because of the pin rod drops and lose the circumstances of stopping function, when the in-service use is more convenient, the result of use is more ideal;

2. the utility model discloses a be provided with the direction inclined plane to in-process at screw section screw in screw, the screw opening can extrude the direction inclined plane, and then inside making the stopping fixture block automatic entering through-hole, and need not the manual work and press the stopping fixture block, make the utility model discloses it is more convenient to use.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

fig. 3 is a side view of the hexagonal cap according to the present invention.

In the figure: 1. a screw section; 2. a through hole; 3. a backstop assembly; 31. a middle mounting plate; 32. a spring A; 33. a backstop clamping block; 34. a guide slope; 4. a hexagonal bolt cap portion; 5. a housing; 6. a spring B; 7. positioning the sliding rod; 8. positioning the sleeve; 9. a guide portion.

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.

The utility model provides a hexagonal hole-punched bolt with stopping function as shown in fig. 1-3, as shown in fig. 1 and fig. 2, including

screw section

1, 1 top one side of screw section is run through and is set up through-

hole

2, and 2 inboards of through-hole set up stopping subassembly 3.

More specifically, stopping subassembly 3 includes middle mounting panel 31, middle mounting panel 31 is fixed to be set up in the inboard middle part of through-hole 2, middle mounting panel 31 top all sets up spring A32 with the bottom, two spring A32 tip all set up stopping fixture block 33, spring A32 one end and middle mounting panel 31 fixed connection, the spring A32 other end and stopping fixture block 33 fixed connection, so that when through-hole 2 when moving to the screw outside, stopping fixture block 33 among the stopping subassembly 3 can be spacing to screw portion 1 automatically under the spring action of direction inclined plane 34.

Simultaneously, direction inclined plane 34 has been seted up to stopping fixture block 33 tip one side to in-process at screw rod portion 1 screw in screw, the screw opening can extrude direction inclined plane 34, and then makes inside stopping fixture block 33 automatic entering into through-hole 2, and need not the manual work and press stopping fixture block 33, make the utility model discloses it is more convenient to use.

In addition, the fixed hexagonal bolt cap portion 4 that sets up of one end that keeps away from through-hole 2 of screw rod portion 1, the one end that keeps away from through-hole 2 in the screw rod portion 1 outside is cup jointed and is set up dustcoat 5, evenly fixed a plurality of spring B6 that set up on the lateral wall of the opening part is kept away from to dustcoat 5 inboard, a plurality of spring B6 are the annular and distribute, spring B6 one end and 5 inner wall fixed connection of dustcoat, the spring B6 other end and hexagonal bolt cap portion 4 fixed connection, so that along with the continuation rotation of screw rod portion 1, after dustcoat 5 and work piece laminating, when screw rod portion 1 continues to rotate, hexagonal bolt cap portion 4 extrudees spring B6, make spring B6 shorten, dustcoat 5 compresses tightly the work piece this moment.

It should be noted that, a guide portion 9 is disposed at one end of the screw portion 1 close to the through hole 2, and the guide portion 9 is fixedly connected to the screw portion 1 so as to guide the end of the screw portion 1 when the screw portion 1 is inserted into the screw hole.

As shown in fig. 2 and 3, a positioning sliding rod 7 is arranged on the inner side of the spring B6, the end of the positioning sliding rod 7 is fixedly connected with the inner wall of the housing 5, a plurality of positioning sleeves 8 are uniformly arranged on the side surface of the hexagonal bolt cap 4 in a penetrating manner, the positioning sliding rod 7 is positioned on the inner side of the positioning sleeves 8, and the positioning sliding rod 7 is slidably connected with the positioning sleeves 8, so that in the process of compressing the spring B6, the positioning sliding rod 7 is matched with the positioning sleeves 8 to relatively position the hexagonal bolt cap 4 and the housing 5, thereby preventing the occurrence of the situation that the hexagonal bolt cap 4 only drives the spring B6 to rotate to cause the deformation of the spring B6 when rotating.

The utility model discloses the theory of operation:

when the anti-withdrawing device is actually used, a technician can rotate the hexagonal bolt cap part 4 through a wrench, so that the hexagonal bolt cap part 4 drives the screw rod part 1 to rotate to the inside of the screw hole, at the moment, the screw rod part 1 advances in the screw hole, the guide inclined plane 34 is contacted with the opening of the screw hole along with the advancing of the screw rod part 1, meanwhile, the guide inclined plane 34 is extruded at the opening of the screw hole, and the anti-withdrawing clamping block 33 retracts along the inner wall of the through hole 2 in the direction close to the middle mounting plate 31;

along with the continuation rotation of screw portion 1, dustcoat 5 and work piece laminating, when screw portion 1 continues to rotate, hexagonal bolt cap portion 4 extrudees spring B6, make spring B6 shorten, location slide bar 7 slides in the locating sleeve 8 inboard simultaneously, when screw portion 1 tip is gradually rolled out from the screw, when through-hole 2 moved to the screw outside, under the spring action of spring A32 this moment, spring A32 promoted stopping fixture block 33 and resets, get into and make stopping fixture block 33 tip move to the through-hole 2 outside, the part that stopping fixture block 33 was located the through-hole 2 outside at this moment laminates with the work piece, and then spacing screw portion 1, the operation finishes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a hexagonal hole bolt with stopping function which characterized in that: the screw rod comprises a screw rod part (1), wherein a through hole (2) penetrates through one side of the top of the screw rod part (1), and a retaining assembly (3) is arranged on the inner side of the through hole (2);

the stopping assembly (3) comprises a middle mounting plate (31), the middle mounting plate (31) is fixedly arranged in the middle of the inner side of the through hole (2), springs A (32) are arranged at the top and the bottom of the middle mounting plate (31), stopping clamping blocks (33) are arranged at the end parts of the two springs A (32), and a guide inclined plane (34) is arranged on one side of the end part of each stopping clamping block (33);

the fixed hexagonal bolt cap portion (4) that is provided with of one end that keeps away from through-hole (2) in screw rod portion (1), the one end that keeps away from through-hole (2) in screw rod portion (1) outside is cup jointed and is provided with dustcoat (5), evenly fixed being provided with a plurality of springs B (6) on the lateral wall of opening part is kept away from to dustcoat (5) inboard, it is a plurality of spring B (6) are the annular and distribute.

2. A hexagonal hole-penetrating bolt with a retaining function according to claim 1, wherein: spring A (32) one end and middle mounting panel (31) fixed connection, spring A (32) other end and stopping fixture block (33) fixed connection.

3. A hexagonal hole-penetrating bolt with a retaining function according to claim 1, wherein: one end of the spring B (6) is fixedly connected with the inner wall of the outer cover (5), and the other end of the spring B (6) is fixedly connected with the hexagonal bolt cap part (4).

4. A hexagonal hole-penetrating bolt with a retaining function according to claim 3, wherein: the inner side of the spring B (6) is provided with a positioning sliding rod (7), and the end part of the positioning sliding rod (7) is fixedly connected with the inner wall of the outer cover (5).

5. A hexagonal hole-penetrating bolt with a retaining function according to claim 4, wherein: the hexagonal bolt cap part (4) is characterized in that a plurality of positioning sleeves (8) are uniformly arranged on the side surface of the hexagonal bolt cap part in a penetrating mode, the positioning sliding rod (7) is located on the inner side of each positioning sleeve (8), and the positioning sliding rod (7) is connected with the positioning sleeves (8) in a sliding mode.

6. A hexagonal hole-penetrating bolt with a retaining function according to claim 1, wherein: one end of the screw rod part (1) close to the through hole (2) is provided with a guide part (9), and the guide part (9) is fixedly connected with the screw rod part (1).