CN110125830B

CN110125830B - Connecting device and automobile exhaust suction nozzle comprising same

Info

Publication number: CN110125830B
Application number: CN201910413004.5A
Authority: CN
Inventors: 叶盛; 郑志敏; 肖同桂; 潘长华; 黄小波; 赵文耀; 梁青荣; 王克波; 林子繁; 张夏吾; 刘敏; 曾巍; 何雪晴; 张世灼
Original assignee: ZHONGSHAN DIMUR ELECTRICAL EQUIPMENT CO LTD
Current assignee: ZHONGSHAN DIMUR ELECTRICAL EQUIPMENT CO LTD
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2021-10-22
Anticipated expiration: 2039-05-17
Also published as: CN110125830A

Abstract

The invention discloses a connecting device, which comprises a first connecting arm, a second connecting arm, an elastic device and a driving device, wherein the second connecting arm is arranged on the first connecting arm in a vertically floating manner through the elastic device; the invention also discloses an automobile exhaust suction nozzle which comprises a suction nozzle main body and the connecting device, wherein the first connecting arm or the second connecting arm of the connecting device is arranged on the suction nozzle main body, so that the suction nozzle is suitable for automobile exhaust pipes with various shapes and specifications, and the hidden automobile exhaust pipes can be well connected in a tensioning mode, so that the suction nozzle is more flexible and convenient to use, is not easy to loosen and cause damage to the automobile exhaust pipes.

Description

Connecting device and automobile exhaust suction nozzle comprising same

Technical Field

The invention relates to a connecting device and an automobile exhaust suction nozzle comprising the same.

Background

The connecting device is a common structure in life and production, most of the existing connecting devices clamp a target object through a pivoted swinging structure so as to be connected to the target object, the application range is wide, however, in order to ensure the connection firmness, the connecting devices often adopt a rigid clamping mode to clamp the target object, the target object is easy to deform, part of the connecting devices can also adopt elastic force to drive the clamping arms to swing so as to elastically clamp the target object, the clamping force is determined by the elastic force of elastic parts such as springs and the like, the connecting devices cannot be adjusted according to needs, the clamping devices are easy to loosen when being used and collided, vibrated and the like, and in addition, the connecting devices are difficult to clamp the target objects such as pipes with short exposed parts or without exposed parts, for example, automobile tail gas pipes and the like.

The automobile needs to start the engine in the processes of maintenance, detection and the like, more tail gas is generated in the process, if the tail gas is not processed, the operation environment is polluted, the health of workers is influenced, and partial detection projects need to collect the tail gas for detection, at present, corresponding automobile tail gas processing or detecting equipment usually collects the tail gas by directly sleeving the air inlet pipe on the automobile tail gas pipe, however, as the automobile tail gas pipe has various sizes and specifications, the situation that the air inlet pipe is not matched with the automobile tail gas pipe often occurs, even if the air inlet pipe is provided with a connector to be connected with the automobile tail gas pipe, connectors with various specifications need to be equipped for replacement, meanwhile, fewer vehicles are still easily encountered, and the matched connector cannot be found, and the automobile tail gas pipe of the existing automobile is increasingly designed in a hidden mode, the air inlet tube or fitting is often difficult to fit over the vehicle's exhaust tube. To this case, also there is some automobile exhaust to handle or check out test set can come intake pipe and automobile exhaust union coupling in the intake pipe erection joint device, because the car can produce the vibration at the operation in-process, in order to avoid the pine to take off, it often can only choose rigid tight connecting device of clamp for use, lead to automobile exhaust pipe to warp and fish tail easily, this type of connecting device can the centre gripping on automobile exhaust pipe's pipe wall or centre gripping outside whole automobile exhaust pipe, stronger adaptability has, however, to hidden automobile exhaust pipe, still be difficult to or can't carry out centre gripping and connection.

Disclosure of Invention

The present invention is directed to at least one of the problems of the prior art, and provides a flexible and convenient connecting device with a wide application range.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a connecting device comprises a first connecting arm, a second connecting arm, an elastic device and a driving device, wherein the second connecting arm is arranged on the first connecting arm in a vertically floating mode through the elastic device, and the driving device is used for driving the second connecting arm to swing relative to the first connecting arm so that the first connecting arm and the second connecting arm can be clamped on a target or tensioned in the target together.

Preferably, the second connecting arm is provided with a connecting part, the first connecting arm is provided with a guide rod or a guide hole, the connecting part is correspondingly provided with the guide hole or the guide rod, the guide rod is slidably inserted into the guide hole to vertically move the connecting part on the first connecting arm, and the driving device can drive the second connecting arm to swing around the connecting part.

Preferably, the guide hole extends in a front-rear direction to have a long hole shape, and the guide rod is movable along the guide hole so that the first connecting arm and the second connecting arm can move relatively in the front-rear direction.

Preferably, the elastic device is used for enabling the connecting part to float up and down relative to the first connecting arm.

Preferably, the head of the guide rod is arranged on the first connecting arm or the second connecting arm where the guide rod is arranged, the tail of the guide rod is provided with an abutting part, the elastic device comprises a first elastic part and a second elastic part, and the first elastic part is positioned between the first connecting arm and the second connecting arm and can be clamped by the first connecting arm and the second connecting arm; the second elastic piece is positioned between the abutting part and the second connecting arm or the first connecting arm where the guide hole is positioned, and can be clamped by the second connecting arm or the first connecting arm where the abutting part and the guide hole are positioned.

Preferably, the driving device comprises a threaded rod rotatably arranged on the first connecting arm or the second connecting arm, and a corresponding connecting piece rotatably arranged on the second connecting arm or the first connecting arm, wherein a threaded hole is formed in the connecting piece, the threaded rod is screwed in the threaded hole, so that when the threaded rod rotates, the threaded rod can drive the second connecting arm to swing relative to the first connecting arm, and in the process, the connecting piece can rotate to keep the threaded hole aligned with the threaded rod.

The invention also provides an automobile exhaust suction nozzle which is applicable to automobile exhaust pipes of different types and is flexible and convenient to use.

Preferably, the front part of the first connecting arm and the front part of the second connecting arm in the connecting device both extend forwards to a position at a distance in front of the suction nozzle main body, and are used for clamping on an automobile exhaust pipe or being inserted into the automobile exhaust pipe to be tensioned in the automobile exhaust pipe.

Preferably, the suction nozzle main body is rotatably provided with a pipeline joint, and the pipeline joint is used for being connected with an external pipeline.

Preferably, the suction nozzle main body is provided with a ball or a groove, the pipeline joint is correspondingly provided with a groove or a ball, the groove is arc-shaped or annular, the ball is rotatably arranged on the suction nozzle main body or the pipeline joint where the ball is arranged and is inserted into the groove, and the pipeline joint is rotatably arranged on the suction nozzle main body.

The invention has the beneficial effects that: in the connecting device, the second connecting arm is arranged on the first connecting arm in a vertically floating manner through the elastic device, the driving device can drive the second connecting arm to swing, for the target object with more exposed parts, the first connecting arm and the second connecting arm can be clamped on the target object together for connection, the pipe fittings, inner holes and the like with short exposed parts or without exposed parts can be connected in an internal tensioning mode, the application range is wider, and the swing angle of the second connecting arm is changed by the driving device while the clamping distance or the tensioning distance is kept unchanged, the deformation amount of the elastic device can be correspondingly changed, so that the clamping force or the tensioning force of the first connecting arm and the second connecting arm on the target can be adjusted, the firmness of connection can be ensured, the target is not easily damaged, and the use is more flexible and convenient; on the other hand, the automobile exhaust suction nozzle disclosed by the invention can be clamped on an automobile exhaust pipe or tensioned in the automobile exhaust pipe by using the connecting device, is suitable for automobile exhaust pipes with various shapes and specifications, can be well connected in a tensioning mode for the hidden automobile exhaust pipe, is more flexible and convenient to use, is not easy to loosen and release, and is not easy to damage the automobile exhaust pipe.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a block diagram of a preferred embodiment of the connection device of the present invention;

FIG. 2 is an exploded view of a preferred embodiment of the coupling device of the present invention;

FIG. 3 is a block diagram of a preferred embodiment of the automobile exhaust nozzle of the present invention;

fig. 4 is an exploded structural view of a preferred embodiment of the suction nozzle for automobile exhaust according to the present invention.

Detailed Description

Referring to fig. 1 and 2, in one aspect, the present invention provides a connecting device, including a first connecting arm 11, a second connecting arm 12, an elastic device, and a driving device, where the second connecting arm 12 is disposed on the first connecting arm 11 in a manner of being capable of floating up and down through the elastic device, and the driving device is configured to drive the second connecting arm 12 to swing with respect to the first connecting arm 11 so that the first connecting arm 11 and the second connecting arm 12 can be clamped on an object or tensioned in the object together; in the connecting device, because the second connecting arm 12 is arranged on the first connecting arm 11 in a vertically floating manner through the elastic device, the driving device can drive the second connecting arm 12 to swing, for a target object with more exposed parts, the first connecting arm 11 and the second connecting arm 12 can be clamped on the target object together for connection, for pipe fittings and inner holes with shorter exposed parts or without exposed parts, and the like can be connected in an internal tensioning manner, the application range is wider, and the swing angle of the second connecting arm 12 can be changed through the driving device while the clamping distance or the tensioning distance is kept unchanged, so that the deformation amount of the elastic device can be correspondingly changed, the clamping force or the tensioning force of the first connecting arm 11 and the second connecting arm 12 on the target object can be adjusted, the firmness of connection can be ensured, and the target object is not easy to be damaged, the use is more flexible and convenient.

As a preferred embodiment of the connection device of the invention, the connection device of the invention may also have the following additional technical features:

in this embodiment, the second connecting arm 12 has a connecting portion, the first connecting arm 11 is provided with a guide rod 13, the connecting portion is correspondingly provided with a guide hole 14, the guide rod 13 is slidably inserted into the guide hole 14, so that the connecting portion can be vertically moved on the first connecting arm 11, the driving device can drive the second connecting arm 12 to swing around the connecting portion, so that the second connecting arm 12 can be positioned and guided, the second connecting arm 12 is prevented from lateral deviation, the structure is simple and reliable, and the processing is easy. In practical applications, the positions of the guide rod 13 and the guide hole 14 may be interchanged, or the second connecting arm 12 may be movably disposed on the first connecting arm 11 by other common connecting methods, such as a sliding rail structure, or be movably disposed on the first connecting arm 11 directly through an elastic device, but is not limited thereto.

In this embodiment, the guide hole 14 extends in the front-rear direction to be a long hole, and the guide rod 13 can move along the guide hole 14, so that the first connecting arm 11 and the second connecting arm 12 can move forward and backward relatively, and thus the swing of the second connecting arm 12 can be prevented from being hindered, and the swing and the movement of the second connecting arm 12 are smoother and more convenient to use.

In this embodiment, the elastic device is used to make the connecting portion float up and down relative to the first connecting arm 11, so as to facilitate the installation and installation of the elastic device. In practical applications, the elastic device may be disposed on the second connecting arm 12 at other positions besides the connecting portion, and is not limited to this.

In addition, in the embodiment, the connecting portion and the elastic device are located at a position behind the middle portion of the first connecting arm 11 and the second connecting arm 12, the driving device drives the second connecting arm 12 to swing from the rear portion of the first connecting arm 11 and the second connecting arm 12, so that the front portions of the first connecting arm 11 and the second connecting arm 12 can be clamped or unfolded for clamping or tensioning through leverage, thus the clamping or tensioning portion of the front portions of the first connecting arm 11 and the second connecting arm 12 can have a larger length, the driving device can be far away from a clamped or tensioned target, the operation is convenient, the clamping or tensioning operation of the driving device can be prevented from being hindered, in practical application, the driving device and the elastic device can also be arranged at any other position such as the middle portion and the front portion of the first connecting arm 11 and the second connecting arm 12, the driving device may be disposed in front of the elastic device, and the driving device and the elastic device may be spaced apart from each other in the front-rear direction, but not limited thereto.

In this embodiment, the head of the guide rod 13 is disposed on the first connecting arm 11, the tail of the guide rod 13 has an abutting portion 131, the elastic device includes a first elastic member 21 and a second elastic member 22, the first elastic member 21 is located between the first connecting arm 11 and the second connecting arm 12 and can be clamped by the first connecting arm 11 and the second connecting arm 12; the second elastic piece 22 is located between the abutting portion 131 and the second connecting arm 12, and can be clamped by the second connecting arm 12 where the abutting portion 131 and the guide hole 14 are located, so that the first elastic piece 21 and the second elastic piece 22 are not required to be connected with the first connecting arm 11 and the second connecting arm 12, the installation is convenient, large elastic force can be provided, the first elastic piece 21 and the second elastic piece 22 both adopt springs and are sleeved on the guide rod 13, the assembly is more convenient, and the structure simplification and the product cost reduction are facilitated. In practical applications, the first elastic member 21 and the second elastic member 22 may also adopt other common elastic structures such as a tension spring, a torsion spring, an elastic cord, an elastic ring, or may also use only one elastic member to fix two ends of the elastic member on the first connecting arm 11 and the second connecting arm 12 or the abutting portion 131 and the second connecting arm 12 respectively to float the abutting portion 131 on the first connecting arm 11, which is not limited thereto. In addition, when the guide bar 13 is provided on the second connecting arm 12 and the guide hole 14 is provided on the first connecting arm 11, the second elastic member 22 is also provided between the abutting portion 131 and the first connecting arm 11, respectively.

In this embodiment, the driving device includes a threaded rod 31 rotatably disposed on the first connecting arm 11 or the second connecting arm 12, and a connecting member 32 rotatably disposed on the second connecting arm 12 or the first connecting arm 11, a threaded hole 33 is disposed on the connecting member 32, the threaded rod 31 is screwed in the threaded hole 33, so that when the threaded rod 31 rotates, the second connecting arm 12 can be driven to swing relative to the first connecting arm 11, and in the process, the connecting member 32 can rotate to keep the threaded hole 33 aligned with the threaded rod 31, thereby preventing the threaded rod 31 from deviating from the angle of the threaded hole 33 to affect the swing of the second connecting arm 12, and the second connecting arm 12 is driven to swing by using the structure of the threaded rod 31 and the threaded hole 33, which is simple and reliable in structure, and can accurately adjust the angle of the second connecting arm 12, thereby accurately adjust the force of clamping or tensioning on the target object, and has a self-locking function, the connecting member 32 is not easily loosened by itself and is convenient to use, and in this embodiment, the connecting member is pivoted on the second connecting arm 12 and can swing relative to the second connecting arm 12. In addition, in this embodiment, the threaded rod 31 is also provided with a hand wheel 311, which is convenient for a user to manually rotate the threaded rod 31 to perform connection or disconnection operation. In practical applications, the driving device may also adopt other common driving structures such as a twisted rope, or adopt a motor to automatically drive the second connecting arm 12 to swing, but is not limited to this.

In this embodiment, the first connecting arm 11 and the second connecting arm 12 are both in a long strip shape, the front portions of the first connecting arm 11 and the second connecting arm 12 are both provided with a tooth-shaped structure, which can avoid the influence of uneven surface of the target on the clamping or tensioning effect, in practical application, the front portions of the first connecting arm 11 and the second connecting arm 12 can be provided with soft rubber pads and the like as required to further avoid the damage to the target, in addition, the first connecting arm 11 and the second connecting arm 12 can also adopt other adaptive shapes, such as arc shape, bending shape and the like, and are not limited thereto.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

Referring to fig. 3 and 4, another aspect of the present invention provides an exhaust nozzle for an automobile, including a nozzle body 41 and the above-mentioned coupling device, wherein the first coupling arm 11 of the coupling device is disposed on the nozzle body 41. This automobile exhaust suction nozzle is owing to adopted this connecting device, utilizes connecting device can the centre gripping on automobile exhaust pipe or the tensioning in automobile exhaust pipe, can be applicable to the automobile exhaust pipe of multiple different shapes specification to well connect to the mode of hidden automobile exhaust pipe also accessible tensioning, it is more nimble convenient to use, and difficult pine takes off, also is difficult for causing the damage to automobile exhaust pipe. In practical applications, the second connecting arm 12 may be fixed to the nozzle body 41, or may extend from the nozzle body 41 to form a part of the first connecting arm 11.

As a preferred embodiment of the exhaust nozzle of the motor vehicle according to the invention, the connecting device according to the invention can also have the following additional features:

in this embodiment, the front portion of the first connecting arm 11 and the front portion of the second connecting arm 12 in the connecting device both extend forward to a distance in front of the nozzle body 41 for being clamped on the exhaust pipe of the vehicle or being inserted into the exhaust pipe of the vehicle to be tensioned in the exhaust pipe of the vehicle, so that the front portions of the first connecting arm 11 and the second connecting arm 12 can have longer length, and the connecting device can be better suitable for an inwardly retracted or hidden exhaust pipe of the vehicle, and is convenient to use.

The rotatable pipeline that is provided with connects 42 on the suction nozzle main part 41, pipeline connect 42 are used for being connected with external pipeline, can conveniently adjust suction nozzle main part 41 and connecting device's angle like this, are convenient for be connected with automobile exhaust pipe, and it is more nimble convenient to use.

In this embodiment, the suction nozzle body 41 is provided with a ball, the pipeline joint 42 is correspondingly provided with a groove 44, the groove 44 is arc-shaped or annular, the ball is rotatably arranged on the suction nozzle body 41 or the pipeline joint 42 where the ball is located and is inserted into the groove 44, and the pipeline joint 42 is rotatably arranged on the suction nozzle body 41, so that the structure is simple and reliable, and the processing, assembly and use are easy. In this embodiment, the rear portion of the nozzle body 41 is provided with a mounting groove 43 adapted to the ball, the ball is rotatably disposed in the mounting groove 43, the pipeline joint 42 is sleeved on the nozzle body 41, and the groove 44 on the inner wall of the pipeline joint covers the ball in the mounting groove 43, so that the structure is simple, and the processing and the mounting are convenient.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. A connection device, characterized by: the device comprises a first connecting arm (11), a second connecting arm (12), an elastic device and a driving device, wherein the second connecting arm (12) is arranged on the first connecting arm (11) in a vertically floating mode through the elastic device, and the driving device is used for driving the second connecting arm (12) to swing relative to the first connecting arm (11) so that the first connecting arm (11) and the second connecting arm (12) can be clamped on a target or tensioned in the target together;

the second connecting arm (12) is provided with a connecting part, the first connecting arm (11) is provided with a guide rod (13) or a guide hole (14), the connecting part is correspondingly provided with the guide hole (14) or the guide rod (13), the guide rod (13) is slidably inserted into the guide hole (14) to enable the connecting part to be arranged on the first connecting arm (11) in a vertically movable manner, and the driving device can drive the second connecting arm (12) to swing around the connecting part; the elastic device is used for enabling the connecting part to float up and down relative to the first connecting arm (11); the head of the guide rod (13) is arranged on the first connecting arm (11) or the second connecting arm (12) where the guide rod is arranged, the tail of the guide rod (13) is provided with an abutting part (131), the elastic device comprises a first elastic part (21) and a second elastic part (22), and the first elastic part (21) is positioned between the first connecting arm (11) and the second connecting arm (12) and can be clamped by the first connecting arm (11) and the second connecting arm (12); the second elastic piece (22) is positioned between the abutting part (131) and the second connecting arm (12) or the first connecting arm (11) where the guide hole (14) is positioned, and can be clamped by the second connecting arm (12) or the first connecting arm (11) where the abutting part (131) and the guide hole (14) are positioned;

the connecting part and the elastic device are positioned at the position, close to the rear, of the middle parts of the first connecting arm (11) and the second connecting arm (12), and the driving device drives the second connecting arm (12) to swing from the rear parts of the first connecting arm (11) and the second connecting arm (12);

the driving device comprises a threaded rod (31) rotatably arranged on the first connecting arm (11) or the second connecting arm (12) and a connecting piece (32) correspondingly rotatably arranged on the second connecting arm (12) or the first connecting arm (11), a threaded hole (33) is formed in the connecting piece (32), the threaded rod (31) is screwed in the threaded hole (33) so that the second connecting arm (12) can be driven to swing relative to the first connecting arm (11) when the threaded rod (31) rotates, and the connecting piece (32) can rotate to keep the threaded hole (33) aligned with the threaded rod (31) in the process;

the first connecting arm (11) and the second connecting arm (12) are both in a strip shape, and the front parts of the first connecting arm (11) and the second connecting arm (12) are both provided with a tooth-shaped structure.

2. A connection device according to claim 1, characterized in that: the guide hole (14) extends in the front-back direction and is in a long hole shape, and the guide rod (13) can move along the guide hole (14) so that the first connecting arm (11) and the second connecting arm (12) can move front and back relatively.

3. The utility model provides an automobile exhaust suction nozzle which characterized in that: comprising a nozzle body (41) and a connecting device according to any one of claims 1 to 2, the first connecting arm (11) or the second connecting arm (12) of the connecting device being arranged on the nozzle body (41).

4. The exhaust nozzle for automobiles according to claim 3, wherein: in the connecting device, the front part of the first connecting arm (11) and the front part of the second connecting arm (12) both extend forwards to a position at a distance in front of the suction nozzle main body (41) and are used for being clamped on an automobile exhaust pipe or inserted into the automobile exhaust pipe so as to be tensioned in the automobile exhaust pipe.

5. The exhaust nozzle for automobiles according to claim 4, wherein: the suction nozzle body (41) is rotatably provided with a pipeline joint (42), and the pipeline joint (42) is used for being connected with an external pipeline.

6. The exhaust nozzle for automobiles according to claim 5, wherein: the suction nozzle comprises a suction nozzle body (41), a pipeline joint (42) and a ball or a groove (44) is arranged on the suction nozzle body (41), the groove (44) or the ball is correspondingly arranged on the pipeline joint (42), the groove (44) is arc-shaped or annular, the ball can be rotatably arranged on the suction nozzle body (41) or the pipeline joint (42) where the ball is arranged and inserted in the groove (44), and the pipeline joint (42) can be rotatably arranged on the suction nozzle body (41).