阅读说明：本技术 一种用于连接汽车排气管与吊钩的连接结构 (A connection structure for connecting vehicle vent-pipe and lifting hook ) 是由 李向荣 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种用于连接汽车排气管与吊钩的连接结构,涉及排气管技术领域。包括排气管本体、横杆、缓冲夹持装置和连接装置,所述排气管本体的底部与缓冲夹持装置的顶部搭接,所述缓冲夹持装置的左侧面固定安装有连接装置。通过设置缓冲夹持装置,利用第一伸缩套杆上弹簧的自动回弹性可形成一个自动复位的杠杆机构,使得底部接触板在与排气管本体接触的同时带动侧边接触板与排气管本体接触,使得缓冲夹持装置可与排气管本体完成吻合,使得排气管应力被分成了三份,避免了排气管与吊钩之间的应力集中于一点的情况,提高了排气管的稳定性,从而避免了排气管容易发生晃动的情况,解决了因排气管晃动而产生较大噪音的问题。(The invention discloses a connecting structure for connecting an automobile exhaust pipe and a lifting hook, and relates to the technical field of exhaust pipes. The exhaust pipe comprises an exhaust pipe body, a cross rod, a buffering clamping device and a connecting device, wherein the bottom of the exhaust pipe body is in lap joint with the top of the buffering clamping device, and the connecting device is fixedly mounted on the left side face of the buffering clamping device. Through setting up buffering clamping device, the automatic resilience who utilizes spring on the first flexible loop bar can form an automatic re-setting's lever mechanism, make the bottom contact plate drive side contact plate and this body contact of blast pipe with the contact of blast pipe, make buffering clamping device can accomplish with the blast pipe body and coincide, make blast pipe stress divided into the triplex, avoided the stress concentration between blast pipe and the lifting hook in the condition of a bit, the stability of blast pipe has been improved, thereby avoided the blast pipe to take place the condition of rocking easily, the problem of producing great noise because of the blast pipe rocks has been solved.)

1. The utility model provides a connection structure for connecting vehicle vent-pipe and lifting hook, includes blast pipe body (1), horizontal pole (2), buffering clamping device (3) and connecting device (4), its characterized in that: the bottom of the exhaust pipe body (1) is in lap joint with the top of the buffering clamping device (3), a connecting device (4) is fixedly installed on the left side face of the buffering clamping device (3), and the buffering clamping device (3) is movably connected with the cross rod (2) through the connecting device (4);

the buffer clamping device (3) comprises a storage box (5), the bottom of the storage box (5) is in lap joint with the top of the cross rod (2), a storage cavity (6) is formed in the storage box (5), a first telescopic sleeve rod (7) is fixedly mounted at the bottom of the inner wall of the storage cavity (6), a movable rod (8) is fixedly connected to the top end of the first telescopic sleeve rod (7), the top end of the movable rod (8) extends to the upper portion of the storage box (5), connecting rods (11) are hinged to two side faces of the movable rod (8), an extension rod (12) is hinged to one end, away from the movable rod (8), of each connecting rod (11), the top end of each extension rod (12) extends to the upper portion of the storage box (5), a bottom contact plate (17) is fixedly connected to the top end of each movable rod (8), and side contact plates (18) are fixedly connected to the top ends of the two extension, the placing directions of the two side contact plates (18) are opposite;

connecting device (4) include connecting block (19), the inner wall fixed mounting of connecting block (19) has the flexible loop bar of second (20), the fixedly connected with joint pole (21) of connecting block (19) inner wall one end are kept away from in the flexible loop bar of second (20), joint pole (21) run through the inside of connecting block (19), joint groove (22) have been seted up at the top of horizontal pole (2), the bottom of joint pole (21) extends to the inside of joint groove (22) and contradicts with the inner wall of joint groove (22).

2. The connecting structure for connecting an automobile exhaust pipe and a lifting hook according to claim 1, characterized in that: the equal fixedly connected with gag lever post (9) of both sides face of movable rod (8), the top fixed mounting who accomodates chamber (6) inner wall has two limiting plates (10), the one end that movable rod (8) were kept away from in gag lever post (9) extends to the inside of limiting plate (10).

3. The connecting structure for connecting an automobile exhaust pipe and a lifting hook according to claim 1, characterized in that: two the equal fixed mounting in end that leaves mutually of extension rod (12) has locating piece (14), constant head tank (13) have all been seted up to the both sides inner wall of accomodating chamber (6), locating piece (14) are located the inside of constant head tank (13) and the specification of locating piece (14) is greater than the opening part of constant head tank (13).

4. The connecting structure for connecting an automobile exhaust pipe and a lifting hook according to claim 1, characterized in that: spout (15), two have been seted up to the inner wall of constant head tank (13) the equal fixedly connected with pulley (16) of the face of separating mutually of locating piece (14), the one end that locating piece (14) were kept away from in pulley (16) extends to the inside of spout (15).

5. The connecting structure for connecting an automobile exhaust pipe and a lifting hook according to claim 1, characterized in that: the first telescopic loop bar (7) and the second telescopic loop bar (20) are the same in specification, and springs are fixedly sleeved on the surfaces of the first telescopic loop bar (7) and the second telescopic loop bar (20).

Technical Field

The invention relates to the technical field of exhaust pipes, in particular to a connecting structure for connecting an automobile exhaust pipe and a lifting hook.

Background

The exhaust pipe is a part of an engine exhaust system, the exhaust system mainly comprises an exhaust manifold, an exhaust pipe and a silencer, a three-calibration catalyst for controlling the emission of pollutants of an engine is generally arranged in the exhaust system, the exhaust pipe generally comprises a front exhaust pipe and a rear exhaust pipe, the exhaust pipe is an important component of the automobile engine exhaust system, the stability of the exhaust pipe directly influences the service life of the engine exhaust system and the driving performance of an automobile, and the exhaust pipe is fixed on a frame or an automobile body through a mounting bracket during installation.

Disclosure of Invention

Technical problem to be solved

In view of the defects in the prior art, the invention provides a connecting structure for connecting an automobile exhaust pipe and a lifting hook, so as to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a connecting structure for connecting an automobile exhaust pipe and a lifting hook comprises an exhaust pipe body, a cross rod, a buffering clamping device and a connecting device, wherein the bottom of the exhaust pipe body is in lap joint with the top of the buffering clamping device;

the buffer clamping device comprises a storage box, the bottom of the storage box is in lap joint with the top of a cross bar, a storage cavity is formed in the storage box, a first telescopic loop bar is fixedly mounted at the bottom of the inner wall of the storage cavity, a movable bar is fixedly connected to the top end of the first telescopic loop bar, the top end of the movable bar extends to the upper side of the storage box, connecting bars are hinged to two side faces of the movable bar, an extending bar is hinged to one end, away from the movable bar, of each connecting bar, the top end of each extending bar extends to the upper side of the storage box, a bottom contact plate is fixedly connected to the top end of each movable bar, side contact plates are fixedly connected to the top ends of the two extending bars, and the placing;

connecting device includes the connecting block, the inner wall fixed mounting of connecting block has the flexible loop bar of second, the fixedly connected with joint pole of connecting block inner wall one end is kept away from to the flexible loop bar of second, joint pole through connection block's inside, the joint groove has been seted up at the top of horizontal pole, the bottom of joint pole extends to the inside in joint groove and contradicts with the inner wall in joint groove.

According to a preferable technical scheme, two side faces of the movable rod are fixedly connected with limiting rods, two limiting plates are fixedly mounted at the top of the inner wall of the containing cavity, and one end, far away from the movable rod, of each limiting rod extends into the corresponding limiting plate.

As a preferred technical scheme of the invention, positioning blocks are fixedly mounted at the separated ends of the two extension rods, positioning grooves are formed in the inner walls of the two sides of the containing cavity, the positioning blocks are positioned in the positioning grooves, and the specifications of the positioning blocks are larger than the openings of the positioning grooves.

As a preferable technical scheme, the inner wall of the positioning groove is provided with a sliding groove, the separated surfaces of the two positioning blocks are fixedly connected with pulleys, and one end of each pulley, which is far away from the positioning block, extends into the sliding groove.

As a preferred technical scheme of the present invention, the first telescopic loop bar and the second telescopic loop bar have the same specification, and the surfaces of the first telescopic loop bar and the second telescopic loop bar are both fixedly sleeved with springs.

(III) advantageous effects

Compared with the prior art, the invention provides a connecting structure for connecting an automobile exhaust pipe and a lifting hook, which has the following beneficial effects:

1. this a connection structure for connecting vehicle vent-pipe and lifting hook, through setting up buffering clamping device, the automatic resilience that utilizes spring on the first flexible loop bar can form an automatic re-setting's lever mechanism, make the bottom contact plate drive side contact plate and this body contact of blast pipe with the contact of blast pipe body, make buffering clamping device can accomplish anastomosing with the blast pipe body, make blast pipe stress divided into the triplex, the stress concentration in the condition of a bit between blast pipe and the lifting hook has been avoided, the stability of blast pipe has been improved, thereby the condition that the blast pipe takes place to rock easily has been avoided, the problem of producing great noise because of the blast pipe rocks has been solved.

2. This a connection structure for connecting vehicle vent-pipe and lifting hook through setting up connecting device, utilizes the automatic resilience of spring on the flexible loop bar of second for joint pole is automatic to be laminated with the corner in joint groove, thereby accomplishes the equipment of buffering clamping device and horizontal pole automatically, thereby makes things convenient for people to carry out the dismouting to horizontal pole and buffering clamping device, thereby makes things convenient for the staff to carry out daily maintenance and maintenance to the blast pipe body, has further improved this connection structure's practicality.

Drawings

FIG. 1 is a schematic structural view of a connection structure for connecting an exhaust pipe of an automobile and a hook according to the present invention;

FIG. 2 is a schematic structural view of a buffering and clamping device of a connection structure for connecting an automobile exhaust pipe and a lifting hook according to the present invention;

FIG. 3 is a front sectional view of a buffer clamping device of a connection structure for connecting an exhaust pipe of an automobile and a hook according to the present invention;

fig. 4 is a schematic structural view of a connecting device for connecting an automobile exhaust pipe and a hook according to the present invention.

In the figure: 1. an exhaust pipe body; 2. a cross bar; 3. a buffer clamping device; 4. a connecting device; 5. a storage box; 6. a receiving cavity; 7. a first telescoping loop bar; 8. a movable rod; 9. a limiting rod; 10. a limiting plate; 11. a connecting rod; 12. an extension rod; 13. positioning a groove; 14. positioning blocks; 15. a chute; 16. a pulley; 17. a bottom contact plate; 18. a side contact plate; 19. connecting blocks; 20. a second telescoping loop bar; 21. a clamping and connecting rod; 22. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a connecting structure for connecting an automobile exhaust pipe and a hook comprises an exhaust pipe body 1, a cross rod 2, a buffer clamping device 3 and a connecting device 4, wherein the bottom of the exhaust pipe body 1 is overlapped with the top of the buffer clamping device 3, the connecting device 4 is fixedly installed on the left side surface of the buffer clamping device 3, and the buffer clamping device 3 is movably connected with the cross rod 2 through the connecting device 4;

buffering clamping device 3 includes receiver 5, receiver 5's bottom and horizontal pole 2's top overlap joint, receiver 5's inside has been seted up and has been accomodate chamber 6, the bottom fixed mounting who accomodates 6 inner walls in chamber has first flexible loop bar 7, the top fixedly connected with movable rod 8 of first flexible loop bar 7, the top of movable rod 8 extends to receiver 5's top, the both sides face of movable rod 8 all articulates there is connecting rod 11, connecting rod 11 keeps away from that the one end of movable rod 8 articulates there is extension rod 12, extension rod 12 top extends to receiver 5's top, the top fixedly connected with bottom contact plate 17 of movable rod 8, two the equal fixedly connected with side contact plate 18 in top of extension rod 12, and two the place opposite direction of side contact plate 18, through setting up buffering clamping device 3, the automatic resilience that utilizes spring on first flexible loop bar 7 can form an automatic re-setting's lever mechanism The bottom contact plate 17 is in contact with the exhaust pipe body 1 and simultaneously drives the side contact plate 18 to be in contact with the exhaust pipe body 1, so that the buffering and clamping device 3 can be matched with the exhaust pipe body 1, the stress of the exhaust pipe is divided into three parts, the stress between the exhaust pipe and a lifting hook is prevented from being concentrated on one point, the stability of the exhaust pipe is improved, the exhaust pipe is prevented from shaking easily, and the problem of high noise caused by shaking of the exhaust pipe is solved;

the connecting device 4 comprises a connecting block 19, a second telescopic loop bar 20 is fixedly arranged on the inner wall of the connecting block 19, a clamping rod 21 is fixedly connected to one end of the second telescopic sleeve rod 20 far away from the inner wall of the connecting block 19, the clamping rod 21 penetrates through the inside of the connecting block 19, the top of the cross rod 2 is provided with a clamping groove 22, the bottom end of the clamping rod 21 extends to the inside of the clamping groove 22 and is abutted against the inner wall of the clamping groove 22, by arranging the connecting device 4 and utilizing the automatic resilience of the spring on the second telescopic loop bar 20, the clamping bar 21 is automatically attached to the corner of the clamping groove 22, thereby automatically completing the assembly of the buffer clamping device 3 and the cross bar 2, facilitating the disassembly and assembly of the cross bar 2 and the buffer clamping device 3, thereby make things convenient for the staff to carry out daily maintenance and maintenance to blast pipe body 1, further improved this connection structure's practicality.

As a specific technical scheme of this embodiment, the equal fixedly connected with gag lever post 9 of both sides face of movable rod 8, the top fixed mounting who accomodates 6 inner walls in chamber has two limiting plates 10, the one end that 8 movable rod were kept away from to gag lever post 9 extends to the inside of limiting plate 10.

In this embodiment, utilize gag lever post 9 to follow the movable rod 8 and slide along the inside of limiting plate 10 to the biggest live distance to movable rod 8 limits, thereby has guaranteed the stability of this structure.

As a specific technical scheme of this embodiment, two the equal fixed mounting in end that leaves of extension rod 12 has a locating piece 14, constant head tank 13 has all been seted up to the both sides inner wall of accomodating chamber 6, locating piece 14 is located the inside of constant head tank 13 and the specification of locating piece 14 is greater than the opening part of constant head tank 13.

In this embodiment, the positioning block 14 is disposed inside the positioning groove 13, so that the extension rod 12 is prevented from shaking, and the stability of the internal structure of the device is further improved.

As a specific technical scheme of this embodiment, a sliding groove 15 is provided on an inner wall of the positioning groove 13, pulleys 16 are fixedly connected to opposite surfaces of the two positioning blocks 14, and one end of each pulley 16, which is far away from the positioning block 14, extends into the sliding groove 15.

In this embodiment, the pulley 16 slides along the sliding groove 15 along with the positioning block 14, so as to improve the movement stability of the extension rod 12.

As a specific technical solution of this embodiment, the first telescopic loop bar 7 and the second telescopic loop bar 20 have the same specification, and the surfaces of the first telescopic loop bar 7 and the second telescopic loop bar 20 are both fixedly sleeved with springs.

In this embodiment, the first telescopic loop bar 7 and the second telescopic loop bar 20 both comprise a movable tube and a sleeve, one end of the movable tube is positioned inside the sleeve, and the movable tube is pulled to continuously change the length inside the sleeve so as to realize the telescopic effect

The working principle and the using process of the invention are as follows:

when the exhaust pipe clamping device is used, the buffering clamping device 3 is firstly contacted with the exhaust pipe body 1 to enable the bottom contact plate 17 to be contacted with the exhaust pipe body 1 firstly, so that the first telescopic sleeve rod 7 is compressed to enable the movable rod 8 to descend, and because the movable rod 8, the connecting rod 11 and the extension rod 12 form a complete lever mechanism, the moving directions of the movable rod 8 and the extension rod 12 are opposite, so that the extension rod 12 drives the side contact plates 18 to be contacted with the side edges of the exhaust pipe body 1, the bottom contact plates 17 at the bottom of the two side contact plates 18 can lift the bottom of the exhaust pipe body 1, the buffering clamping device 3 and the exhaust pipe body 1 can be perfectly attached, the clamping rod 21 is pulled to enable the cross rod 2 to be attached to the bottoms of the buffering clamping device 3 and the connecting device 4, at the moment, the clamping rod 21 is positioned in the clamping groove 22, the clamping rod 21 is loosened, and the resilience of the, make joint pole 21 and the laminating of the corner of joint groove 22 bottom for buffering clamping device 3 passes through connecting device 4 and 2 built-up connections of horizontal pole, links to each other horizontal pole 2 and the chassis of car at last, thereby accomplishes being connected of vehicle vent-pipe and lifting hook.

In summary, in the connection structure for connecting the automobile exhaust pipe and the lifting hook, by arranging the buffer clamping device 3, an automatic reset lever mechanism can be formed by utilizing the automatic resilience of the spring on the first telescopic loop bar 7, so that the bottom contact plate 17 is in contact with the exhaust pipe body 1 and simultaneously drives the side contact plate 18 to be in contact with the exhaust pipe body 1, the buffer clamping device 3 can be matched with the exhaust pipe body 1, the stress of the exhaust pipe is divided into three parts, the condition that the stress between the exhaust pipe and the lifting hook is concentrated at one point is avoided, the stability of the exhaust pipe is improved, the condition that the exhaust pipe is easy to shake is avoided, and the problem that the exhaust pipe shakes to generate large noise is solved; through setting up connecting device 4, utilize the automatic resilience of the flexible loop bar 20 spring of second for joint pole 21 is automatic to laminate with the corner in joint groove 22, thereby accomplishes the equipment of buffering clamping device 3 and horizontal pole 2 automatically, thereby makes things convenient for people to carry out the dismouting to horizontal pole 2 and buffering clamping device 3, thereby makes things convenient for the staff to carry out daily maintenance and maintenance to blast pipe body 1, has further improved this connection structure's practicality.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.