CN214005275U

CN214005275U - Fish-tail bolt beneficial to assembly and disassembly

Info

Publication number: CN214005275U
Application number: CN202022471508.3U
Authority: CN
Inventors: 王流稳
Original assignee: Guizhou Gangwen Industrial Co ltd
Current assignee: Guizhou Gangwen Industrial Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a do benefit to fishtail bolt of equipment dismantlement, including solid fixed ring, gu fixed ring top left and right sides evenly is provided with first mounting, the inboard one end center department of first mounting all is provided with the blind hole, the inside compression spring that all is provided with of blind hole, the inboard one end of compression spring is fixed connection both ends about the gag lever post respectively, the first nut of stationary ring bottom end fixedly connected with, the inside through-hole department threaded connection of first nut has first screw rod, first screw rod top center department fixedly connected with second mounting, the inside center department of second mounting is provided with first through-hole. The utility model discloses in, thereby prevent through the connecting of the second mounting on the stop lever on first mounting and the first nut on to solid fixed ring that first nut from producing when being connected for a long time with first screw rod not hard up, through the equipment and the dismantlement of tight mounting and the combination of the card of second nut make things convenient for the second nut under the effect of connecting block, be worth wideling popularize.

Description

Fish-tail bolt beneficial to assembly and disassembly

Technical Field

The utility model relates to a fish tail bolt field especially relates to a do benefit to assembly and disassembly's fish tail bolt.

Background

The fishtail bolt is mainly used for laying rails in the metallurgical industry, the coking industry and the steel industry, the steel rails are connected and fastened with the steel rail joints, and the requirements are strict due to the fastening of the steel rails.

In the fishtail bolt that exists at present stage, there is the condition that leads to joint nut department not hard up because of long-time the use to the fastening of connecting of rail causes the influence, thereby the afterbody nut of being not convenient for is dismantled and the equipment and the dismantlement of the easy condition that appears the landing in-process of equipment in the afterbody nut secondly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fishtail bolt which is beneficial to assembly and disassembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fishtail bolt beneficial to assembly and disassembly comprises a fixing ring, wherein first fixing pieces are uniformly arranged on the left side and the right side of the top end of the fixing ring, a blind hole is formed in the center of one end inside the first fixing piece, a compression spring is arranged inside the blind hole, one end inside the compression spring is respectively and fixedly connected to the left end and the right end of a limiting rod, a first nut is fixedly connected to the bottom end of the fixing ring, a first screw is connected to the through hole inside the first nut in a threaded manner, a second fixing piece is fixedly connected to the center of the top end of the first screw, a first through hole is formed in the center inside the second fixing piece, the bottom end of the first screw is fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to the top end of the second screw, a second nut is connected to the bottom end of the second screw in a threaded manner, and limiting blocks are arranged at the left end and the right end of the second nut, the bottom end of the second nut is provided with a fastener, and connecting blocks are fixedly connected to the left end and the right end of the fastener.

As a further description of the above technical solution:

the outer diameter of the limiting rod corresponds to the inner diameter of the blind hole.

As a further description of the above technical solution:

the outer diameter of the limiting rod corresponds to the inner diameter of the first through hole.

As a further description of the above technical solution:

and a second through hole is formed in the center of the fastener and corresponds to the second nut.

As a further description of the above technical solution:

the top end of the second nut is provided with a gasket, and the gasket is arranged at the outer diameter of the second screw rod.

As a further description of the above technical solution:

a third through hole is formed in the center of the fixing ring, and the inner diameter of the third through hole corresponds to the outer diameter of the first screw rod.

As a further description of the above technical solution:

and fourth through holes are formed in the centers of the inner parts of the first nut and the second nut.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, thereby at first run through the second mounting on first screw rod top through the gag lever post and set up the gag lever post both ends respectively in the blind hole of first mounting and prevent that first screw rod and first nut from producing the not hard up condition under the long-time condition of using of bolt, and then improved the fastness of connection greatly.

2. The utility model discloses in, the equipment and the dismantlement of second nut are realized to the card through fastener and second nut under the effect of connecting block, play limiting displacement to the fastener under the effect of the stopper that both ends set up about the second nut simultaneously to the condition of landing has been avoided producing in-process dismantling and assembling the second nut, is worth wideling popularize.

Drawings

Fig. 1 is an exploded view of a fishtail bolt which is easy to assemble and disassemble according to the present invention;

fig. 2 is an assembly schematic view of a fishtail bolt which is convenient for assembly and disassembly provided by the utility model;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 1;

fig. 5 is a perspective view of a fastener in a fishtail bolt which is convenient for assembly and disassembly according to the present invention;

fig. 6 is a perspective view of the second nut in the fishtail bolt which is beneficial to assembly and disassembly.

Illustration of the drawings:

1. a fixing ring; 2. a first fixing member; 3. blind holes; 4. a compression spring; 5. a limiting rod; 6. a first nut; 7. a first screw; 8. a second fixing member; 9. a first through hole; 10. a connecting rod; 11. a second screw; 12. a second nut; 13. a limiting block; 14. a fastener; 15. connecting blocks; 16. a second through hole; 17. a gasket; 18. a third through hole; 19. and a fourth via.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a fishtail bolt facilitating assembly and disassembly comprises a fixing ring 1, wherein first fixing pieces 2 are uniformly arranged on the left side and the right side of the top end of the fixing ring 1, a blind hole 3 is formed in the center of one end of the inner side of each first fixing piece 2, a compression spring 4 is arranged in each blind hole 3, one end of the inner side of each compression spring 4 is fixedly connected to the left end and the right end of a limiting rod 5 respectively, a first nut 6 is fixedly connected to the bottom end of the fixing ring 1, a first screw 7 is connected to the through hole in the first nut 6 in a threaded manner, a second fixing piece 8 is fixedly connected to the center of the top end of the first screw 7, a first through hole 9 is formed in the center of the second fixing piece 8, the bottom end of the first screw 7 is fixedly connected to one end of a connecting rod 10, the other end of the connecting rod 10 is fixedly connected to the top end of a second screw 11, when the first screw 7 is fixed, the first screw 7 is firstly rotated into the through hole of the first nut 6 through the threaded connection, then, the first screw 7 is continuously rotated until the third through hole 18 in the fixing ring 1 is penetrated through, the second fixing piece 8 at the top end of the first screw 7 and the first fixing piece 2 at the top end of the fixing ring 1 are in the same horizontal position, at the moment, the limiting rod 5 is inserted into and penetrates through the first through hole 9 at the center of the second fixing piece 8, one end of the limiting rod 5 penetrating through the first through hole 9 is inserted into the corresponding blind hole 3 in the first fixing piece 2, the other end of the limiting rod 5 is also inserted into the corresponding blind hole 3 in the first fixing piece 2 under the action of the compression spring 4, so that the first nut 6 and the first screw 7 are prevented from loosening in the long-term use process under the action of the limiting rod 5, the bottom end of the second screw 11 is in threaded connection with a second nut 12, the left end and the right end of the second nut 12 are both provided with limiting blocks 13, the bottom end of the second nut 12 is provided with a fastening piece 14, the left end and the right end of the fastening piece 14 are both fixedly connected with connecting blocks 15, when the second nut 12 and the second screw 11 are assembled or disassembled, the second nut 12 is first engaged with the second through hole 16 of the fastening member 14, the fastening member 14 is prevented from sliding under the action of the left and right limiting blocks 13 of the second nut 12, and then the connecting block 15 of the fastening member 14 is rotated, so that the second nut 12 is driven to be assembled or disassembled on the second screw 11.

The outer diameter of the limiting rod 5 corresponds to the inner diameter of the blind hole 3, the outer diameter of the limiting rod 5 corresponds to the inner diameter of the first through hole 9, when in assembly, the limiting rod 5 penetrates through the first through hole 9 and two ends of the limiting rod are arranged in the blind hole 3 so as to limit the first nut 6 and the first screw 7, a second through hole 16 is arranged at the center of the fastener 14 corresponding to the second nut 12, a gasket 17 is arranged at the top end of the second nut 12 and the gasket 17 is arranged at the outer diameter of the second screw 11, the gasket 17 increases the contact area between the second nut 12 and the mounting position so as to increase the friction force and prevent the second nut 12 from loosening, a third through hole 18 is arranged at the center of the fixing ring 1, the inner diameter of the third through hole 18 corresponds to the outer diameter of the first screw 7, the first screw 7 passes through the first nut 6 and penetrates through the third through hole 18 in the fixing ring 1 and is fixed under the action of the limiting rod 5, the inner centers of the first nut 6 and the second nut 12 are both provided with a fourth through hole 19.

The working principle is as follows: when the first screw 7 is fixed, the first screw 7 is firstly rotated into the through hole of the first nut 6 through the threaded connection between the first screw 7 and the first nut 6, then the first screw 7 is continuously rotated until the first screw 7 penetrates through the third through hole 18 in the fixing ring 1 and the second fixing member 8 at the top end of the first screw 7 and the first fixing member 2 at the top end of the fixing ring 1 are in the same horizontal position, at the moment, the limit rod 5 is inserted into the first through hole 9 at the center of the second fixing member 8, one end of the limit rod 5 penetrating through the first through hole 9 is inserted into the corresponding blind hole 3 in the first fixing member 2, and the other end of the limit rod 5 is also inserted into the corresponding blind hole 3 in the first fixing member 2 under the action of the compression spring 4, so that the first nut 6 and the first screw 7 are prevented from being loosened in the long-term use process through the action of the limit rod 5, when the second nut 12 and the second screw 11 are assembled or disassembled, the second nut 12 is first engaged with the second through hole 16 of the fastening member 14, the fastening member 14 is prevented from sliding under the action of the left and right limiting blocks 13 of the second nut 12, and then the connecting block 15 of the fastening member 14 is rotated, so that the second nut 12 is driven to be assembled or disassembled on the second screw 11.

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 do benefit to fishtail bolt of assembly and disassembly, includes solid fixed ring (1), its characterized in that: the left side and the right side of the top end of the fixing ring (1) are uniformly provided with first fixing parts (2), the center of the inner side end of each first fixing part (2) is provided with a blind hole (3), the inside of each blind hole (3) is provided with a compression spring (4), the inner side end of each compression spring (4) is respectively and fixedly connected with the left end and the right end of the limiting rod (5), the bottom end of each fixing ring (1) is fixedly connected with a first nut (6), the inner through hole of each first nut (6) is in threaded connection with a first screw (7), the center of the top end of each first screw (7) is fixedly connected with a second fixing part (8), the inner center of each second fixing part (8) is provided with a first through hole (9), the bottom end of each first screw (7) is fixedly connected with one end of the connecting rod (10), and the other end, second screw rod (11) bottom threaded connection has second nut (12), both ends all are provided with stopper (13) about second nut (12), second nut (12) bottom is provided with fastener (14), equal fixedly connected with connecting block (15) in both ends about fastener (14).

2. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: the outer diameter of the limiting rod (5) corresponds to the inner diameter of the blind hole (3).

3. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: the outer diameter of the limiting rod (5) corresponds to the inner diameter of the first through hole (9).

4. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: and a second through hole (16) is formed in the center of the fastening piece (14) and corresponds to the second nut (12).

5. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: the top end of the second nut (12) is provided with a gasket (17), and the gasket (17) is arranged at the outer diameter of the second screw rod (11).

6. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: the center of the fixing ring (1) is provided with a third through hole (18), and the inner diameter of the third through hole (18) corresponds to the outer diameter of the first screw (7).

7. The fishbolt facilitating assembly and disassembly of claim 1 further comprising: and fourth through holes (19) are formed in the centers of the inner parts of the first nut (6) and the second nut (12).