CN210968665U - Diversion connects and demolishs instrument - Google Patents
Diversion connects and demolishs instrument Download PDFInfo
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- CN210968665U CN210968665U CN201921766205.5U CN201921766205U CN210968665U CN 210968665 U CN210968665 U CN 210968665U CN 201921766205 U CN201921766205 U CN 201921766205U CN 210968665 U CN210968665 U CN 210968665U
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Abstract
The application discloses diversion connects and demolishs instrument, diversion connect includes: a housing having a hollow cavity; a first connecting member provided with a first bevel gear; the first conical gear and the second conical gear can generate meshing transmission, the first conical gear rotates around a first axis, and the second conical gear rotates around a second axis; the first bevel gear and the second bevel gear are both arranged in the shell, a first limiting mechanism used for limiting the axial movement of the first connecting piece relative to the first axial direction is arranged between the first connecting piece and the shell, a second limiting mechanism used for limiting the axial movement of the second connecting piece relative to the second axial direction is arranged between the second connecting piece and the shell, and the first connecting piece and the second connecting piece can both rotate in the circumferential direction. This application can change the dead axle rotation of demolising the instrument to can demolish screw and nut in the narrow and small space.
Description
Technical Field
The application relates to the technical field of pneumatic hammer machines, in particular to a turning joint and a dismantling tool.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In daily work, a plurality of mechanical devices are fixed by screws and nuts, and if the screws and the nuts need to be disassembled and replaced, a tool such as an air cannon machine is usually adopted for disassembling and assembling the screws and the nuts.
In the prior art, the wind cannon machine can only rotate by a fixed shaft, so that the wind cannon machine cannot directly align and disassemble a screw nut which is not in the same direction with the fixed shaft in a narrow space. In this case, the disassembly needs to be performed manually, which results in increased difficulty in disassembly and also consumes a lot of time.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.
SUMMERY OF THE UTILITY MODEL
In view of this, this application provides a diversion connects and demolishs instrument, and this diversion connects and can change the dead axle rotation of demolishs instrument to can demolish screw and nut in the narrow and small space. The technical scheme is as follows:
a change in direction joint, comprising:
a housing having a hollow cavity;
a first connecting member provided with a first bevel gear;
the first conical gear and the second conical gear can be in meshing transmission, the first conical gear rotates around a first axis, and the second conical gear rotates around a second axis;
the first bevel gear and the second bevel gear are arranged in the shell, a first limiting mechanism used for limiting the first connecting piece to axially move relative to the first axial direction is arranged between the first connecting piece and the shell, a second limiting mechanism used for limiting the second connecting piece to axially move relative to the second axial direction is arranged between the second connecting piece and the shell, and the first connecting piece and the second connecting piece can both rotate in the circumferential direction.
As a preferred embodiment, the first position limiting mechanism includes: the first annular boss is arranged on the first connecting piece, and the first annular clamping groove is arranged on the shell and used for limiting the first annular boss;
the second stop gear includes: the second annular boss is arranged on the second connecting piece, and the second annular clamping groove is arranged on the shell and used for limiting the second annular boss.
As a preferred embodiment, a first bearing is arranged on the outer surface of the first annular boss, and a cavity for accommodating the first bearing is formed between the first annular boss and the first annular clamping groove; and a second bearing is arranged on the outer surface of the second annular boss, and a cavity for accommodating the second bearing is formed between the second annular boss and the second annular clamping groove.
As a preferred embodiment, the first connecting member includes: a first power transmission section located inside the housing and a first engagement section located outside the housing, the second connector comprising: a second power transmission section located inside the housing and a second engagement section located outside the housing; the housing is provided with a first opening for insertion of the first power transmission section and a second opening for insertion of the second power transmission section.
In a preferred embodiment, a first stabilizing mechanism is disposed between the first power transmission section and the first opening, and a second stabilizing mechanism is disposed between the second power transmission section and the second opening.
As a preferred embodiment, the first stabilizing mechanism includes: the first contact end face is arranged around the circumferential direction of the first opening, and the first bulge is arranged around the circumferential direction of the first power transmission section, the first contact end face extends from the first opening towards the hollow cavity in an inclined mode, and the first bulge abuts against the first contact end face;
the second stabilizing mechanism includes: the second contact terminal surface that winds the circumference setting of second open-ended and wind the second bellying that the circumference of second power transmission section set up, second contact terminal surface by the second open-ended orientation the cavity slope extends, the second bellying with second contact terminal surface counterbalance leans on.
As a preferred embodiment, the outer surface of the first protruding part is a curved surface structure, and the curved surface structure of the first protruding part is point contact when abutting against the first contact end surface; the outer surface of the second protruding portion is of a curved surface structure, and the curved surface structure of the second protruding portion is in point contact with the second contact end face when the second protruding portion abuts against the second contact end face.
As a preferred embodiment, the first engaging section includes a first shielding portion, and the first opening can form a closed cavity between the housing and the first connecting member after being connected with the first shielding portion in a matching manner; the second joint section comprises a second shielding part, and after the second opening is in fit connection with the second shielding part, a closed cavity can be formed between the shell and the second connecting piece.
As a preferred embodiment, the first axis is 90 ° to the second axis.
A demolition tool comprising: wind big gun machine, wind big gun machine sleeve and diversion connect, wherein, the diversion connects and includes:
a housing having a hollow cavity;
a first connecting member provided with a first bevel gear;
the first conical gear and the second conical gear can be in meshing transmission, the first conical gear rotates around a first axis, and the second conical gear rotates around a second axis;
the first bevel gear and the second bevel gear are both arranged in the shell, a first limiting mechanism used for limiting the first connecting piece to axially move relative to the first axial direction is arranged between the first connecting piece and the shell, a second limiting mechanism used for limiting the second connecting piece to axially move relative to the second axial direction is arranged between the second connecting piece and the shell, and the first connecting piece and the second connecting piece can both rotate in the circumferential direction;
the air cannon machine is connected with the first connecting piece, and the air cannon machine sleeve is connected with the second connecting piece.
Has the advantages that:
the application provides a diversion connects has held first connecting piece and second connecting piece in its casing is inside, and first connecting piece and second connecting piece all are used for transmission power, first connecting piece with the second connecting piece passes through bevel gear's meshing transmission, can realize the change of direction of transmission. Specifically, first connecting piece is used for connecting the wind big gun machine, and the second connecting piece is used for connecting the wind big gun machine sleeve for the telescopic direction of rotation of wind big gun machine is non-coaxial with the direction of rotation of wind big gun machine, thereby has changed the dead axle rotation of wind big gun machine, and the demolition tool that this application provided can be used to the part on some non-wind big gun machine axial positions of dismouting.
Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive labor.
Fig. 1 is a direction changing joint according to an embodiment of the present disclosure.
Description of reference numerals:
1. a housing; 2. a first connecting member; 21. a first bevel gear; 22. a first limit mechanism; 23. a first stabilizing mechanism; 24. a first shielding portion; 3. a second connecting member; 31. a second bevel gear; 32. a second limiting mechanism; 33. a second stabilizing mechanism; 34. a second shielding portion.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, it should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope, and after reading the present invention, the modifications of the various equivalent forms of the present invention by those skilled in the art will fall within the scope defined by the present application.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Fig. 1 shows a direction-changing joint provided in an embodiment of the present application, where the direction-changing joint includes: a housing 1 having a hollow cavity; a first connecting member 2 provided with a first bevel gear 21; a second connecting part 3 provided with a second bevel gear 31, wherein the first bevel gear 21 and the second bevel gear 31 can be in meshing transmission, the first bevel gear 21 rotates around a first axis, and the second bevel gear 31 rotates around a second axis; the first bevel gear 21 and the second bevel gear 31 are both arranged in the shell 1, a first limiting mechanism 22 used for limiting the axial movement of the first connecting piece 2 relative to the first axial direction is arranged between the first connecting piece 2 and the shell 1, a second limiting mechanism 32 used for limiting the axial movement of the second connecting piece 3 relative to the second axial direction is arranged between the second connecting piece 3 and the shell 1, and both the first connecting piece 2 and the second connecting piece 3 can rotate in the circumferential direction.
The application provides a diversion connects has held first connecting piece 2 and second connecting piece 3 in casing 1 inside, first connecting piece 2 and second connecting piece 3 all are used for transmitting power, first connecting piece 2 with second connecting piece 3 can realize the change of direction of transmission through bevel gear's meshing transmission. Specifically, first connecting piece 2 is used for connecting the wind big gun machine, and second connecting piece 3 is used for connecting the wind big gun machine sleeve for the telescopic direction of rotation of wind big gun machine is non-coaxial with the direction of rotation of wind big gun machine, thereby has changed the dead axle rotation of wind big gun machine, and the demolition tool that this application provided can be used to the part on some non-wind big gun machine axial positions of dismouting.
The housing 1 is used for accommodating a first connector 2 and a second connector 3, and the housing 1 has a hollow cavity structure. The specific shape of the housing 1 can be adjusted according to the shape and the arrangement position of the first connecting piece 2 and the second connecting piece 3.
The first connecting piece 2 is provided with a first bevel gear 21, the second connecting piece 3 is provided with a second bevel gear 31, the first bevel gear 21 and the second bevel gear 31 can be in meshing transmission, so that the transmission direction can be changed, in particular, the first bevel gear 21 rotates around a first axis, and the second bevel gear 31 rotates around a second axis, in the embodiment, the first axis and the second axis form 90 degrees, the first connecting piece 2 and the second connecting piece 3 are used for providing transmission power, at least parts of the first connecting piece 2 and the second connecting piece 3 are arranged in a hollow cavity of the housing 1, the longitudinal extension direction of the first connecting piece 2 can be consistent with the direction of the first axis, the longitudinal extension direction of the second connecting piece 3 can be consistent with the direction of the second axis, correspondingly, when the first axis and the second axis form 90 degrees, the outer contour shape of the housing 1 can be L as a whole, the first connecting piece 2 and the housing 1 are provided with a limiting mechanism for limiting the axial movement of the first connecting piece 2 relative to the first axis, the second connecting piece 3 and the second connecting piece 3 are arranged in the axial direction, and the limiting mechanism is arranged between the first connecting piece 2 and the second connecting piece 3, and the second connecting piece 2 and the limiting mechanism is arranged for ensuring that the second connecting piece 2 and the second connecting piece 3 can not affect the axial movement in the axial direction, and the axial direction of the housing 2 and the limiting mechanism is arranged to ensure that the housing 2 and the housing 3, and the housing 2 and the second connecting piece 3, and the limiting mechanism can not affect the second connecting piece 3.
Specifically, the first limiting mechanism 22 includes: the connecting device comprises a first annular boss arranged on the first connecting piece 2 and a first annular clamping groove arranged on the shell 1 and used for limiting the first annular boss. The second limit mechanism 32 includes: the second annular boss is arranged on the second connecting piece 3, and the second annular clamping groove is arranged on the shell 1 and used for limiting the second annular boss.
Furthermore, first ring groove with second ring groove all sets up on the inner wall of casing 1 to set up along the inner wall circumference of casing 1, ring groove is used for spacing with the annular boss cooperation on the connecting piece. Because first connecting piece 2 with second connecting piece 3 is used for transmitting power, the inside ring groove's that sets up of casing 1 width need be greater than the width of annular boss on the connecting piece, promptly, annular boss and ring groove between leave less clearance to prevent that first connecting piece 2 and second connecting piece 3 from blocking when rotating. When the annular boss is located in the annular clamping groove, baffles for the annular boss are formed on two sides of the annular clamping groove, so that the axial movement of the annular boss can be limited.
In this embodiment, a first bearing is disposed on an outer surface of the first annular boss, and a cavity for accommodating the first bearing is formed between the first annular boss and the first annular clamping groove. And a second bearing is arranged on the outer surface of the second annular boss, and a cavity for accommodating the second bearing is formed between the second annular boss and the second annular clamping groove.
Specifically, the first bearing is assembled on the outer surface of the first annular boss and fixed in the first annular clamping groove. The second bearing is assembled on the outer surface of the second annular boss and fixed in the second annular clamping groove. Therefore, when the first connecting piece 2 and the second connecting piece 3 rotate, the rotating resistance can be reduced through the first bearing and the second bearing which are sleeved outside.
The type of the first bearing and the second bearing is not limited, and in some embodiments, it may be a needle bearing, a self-aligning ball bearing, a self-aligning roller bearing, a thrust roller bearing, a linear bearing, a seated bearing, a knuckle bearing, a combination bearing, a rolling mill bearing, an angular contact ball bearing, a deep groove ball bearing, or the like, and typically, the first bearing and the second bearing include: the inner ring of the bearing is assembled on the outer surface of the annular boss of the connecting piece, the outer ring of the bearing is fixed in the annular clamping groove in the inner wall of the shell 1, the first connecting piece 2 and the second connecting piece 3 rotate together along with the annular boss, and the abrasion of parts and the friction resistance are reduced through the roller between the inner ring and the outer ring. In some embodiments, the first and second bearings may be ball bearings which are fitted between the outer surface of the annular boss and the annular clamping groove and are distributed along the annular clamping groove, i.e. the annular boss and the annular clamping groove form a friction rolling pair therebetween, which can reduce the frictional resistance generated when the connecting member rotates relative to the housing 1.
In the present embodiment, the first connecting member 2 includes: a first power transmission section located inside the casing 1 and a first engagement section located outside the casing 1, the second connector 3 including: a second power transmission section located inside the casing 1 and a second engagement section located outside the casing 1; the housing 1 is provided with a first opening for inserting the first connector 2 and a second opening for inserting the second connector 3.
Specifically, the first power transmission section of the first connecting member 2 is provided with a first bevel gear 21 and is located inside the housing 1, and the first engaging section of the first connecting member 2 is located outside the housing 1 and is used for being matched and connected with other tools. The second bevel gear 31 is arranged on the second power transmission section in the second connecting piece 3 and is positioned inside the shell 1, and the second engaging section in the second connecting piece 3 is positioned outside the shell 1 and is used for matching and connecting with other tools.
In one embodiment, a first stabilizing mechanism 23 is disposed between the first power transmission stage and the first opening, and a second stabilizing mechanism 33 is disposed between the second power transmission stage and the second opening. Through setting up stabilizing mean, guarantee the steadiness between first connecting piece 2, second connecting piece 3 and casing 1.
Specifically, as shown in fig. 1, the first stabilizing mechanism 23 includes: the first power transmission section is provided with a first opening, a hollow cavity is arranged in the hollow cavity, a first contact end face is arranged around the circumference of the first opening, and a first bulge is arranged around the circumference of the first opening and around the circumference of the first power transmission section. The second stabilizing mechanism 33 includes: the second contact terminal surface that winds the circumference setting of second open-ended and wind the second bellying that the circumference of second power transmission section set up, second contact terminal surface by the second open-ended orientation the cavity slope extends, the second bellying with second contact terminal surface counterbalance leans on.
Further, the first opening is used as an interface portion for inserting the first power transmission section, and has a first contact end surface extending from the first opening toward the hollow cavity of the housing 1, and the first contact end surface may be an inclined surface inclined at an angle relative to the longitudinal extension direction of the first connecting member 2. The body of first connecting piece 2 is provided with first bellying with first contact terminal surface matched with position, and this first bellying and first contact terminal surface cooperation contact can guarantee that first connecting piece 2 has stress concentration portion when rotatory, and first connecting piece 2 has better stability when being in operating condition.
The second opening is used as an interface portion for inserting the second power transmission section, and has a second contact end surface extending from the second opening toward the hollow cavity of the housing 1, and the second contact end surface may be an inclined surface inclined at an angle relative to the longitudinal extension direction of the second connecting member 3. The body of second connecting piece 3 is provided with the second bellying with second contact terminal surface matched with position, and this second bellying and second contact terminal surface cooperation contact can guarantee that second connecting piece 3 has stress concentration portion when rotatory, and second connecting piece 3 has better stability when being in operating condition.
In one embodiment, the outer surface of the first protrusion is a curved surface structure, and the curved surface structure of the first protrusion is point contact when abutting against the first contact end surface. The outer surface of the second protruding portion is of a curved surface structure, and the curved surface structure of the second protruding portion is in point contact with the second contact end face when the second protruding portion abuts against the second contact end face.
Specifically, this first bellying and second bellying are the curved surface structure, are the point contact through adjusting this curved surface structure and contact terminal surface to make the connecting piece when with the contact terminal surface cooperation on the casing 1, the plane at contact point place reaches the minimizing, thereby the plane stress at contact point place is more concentrated, plays better firm effect.
In one embodiment, the first engaging segment includes a first shielding portion 24, and the first opening can form a closed cavity between the housing 1 and the first connecting member 2 after being connected with the first shielding portion 24. The second joint section comprises a second shielding portion 34, and after the second opening is in fit connection with the second shielding portion 34, a closed cavity can be formed between the housing 1 and the second connecting piece 3.
The first shielding portion 24 is located outside the housing 1, and the outer size of the first shielding portion 24 needs to be larger than that of the first opening, so that the first connecting member 2 forms a closed end when inserted into the first opening. The second shielding part 34 is located outside the housing 1, and the outer size of the second shielding part 34 needs to be larger than that of the second opening, so that the second connecting piece 3 forms a closed end when inserted into the second opening.
In the present embodiment, the first shielding portion 24 and the second shielding portion 34 are used not only for closing the opening of the housing 1 but also for restraining other engaging tools. When the turning joint in the embodiment of the application is used for connecting the wind cannon machine, the first connecting piece 2 is used for connecting the wind cannon machine, and the second connecting piece 3 is used for connecting a sleeve of the wind cannon machine. Specifically, the wind big gun machine can be connected with first connecting piece 2 through the mode that cup joints to can carry on spacingly through first occlusion part 24, the wind big gun machine sleeve can be connected with second connecting piece 3 through the mode that cup joints, and can carry on spacingly through second occlusion part 34.
All can be provided with the chamfer on lieing in the outside second section of casing 1 on first connecting piece 2 and the second connecting piece 3, conveniently cooperate the connection, and be provided with the chamfer, accord with relevant design standard more.
The present application further provides a demolition tool, including: wind big gun machine, wind big gun machine sleeve and diversion connect, wherein, the diversion connects and includes: a housing 1 having a hollow cavity; a first connecting member 2 provided with a first bevel gear 21; a second connecting part 3 provided with a second bevel gear 31, wherein the first bevel gear 21 and the second bevel gear 31 can be in meshing transmission, the first bevel gear 21 rotates around a first axis, and the second bevel gear 31 rotates around a second axis; the first bevel gear 21 and the second bevel gear 31 are both arranged in the housing 1, a first limiting mechanism 22 for limiting the axial movement of the first connecting piece 2 relative to the first axial direction is arranged between the first connecting piece 2 and the housing 1, a second limiting mechanism 32 for limiting the axial movement of the second connecting piece 3 relative to the second axial direction is arranged between the second connecting piece 3 and the housing 1, and both the first connecting piece 2 and the second connecting piece 3 can rotate in the circumferential direction; the pneumatic hammer machine is connected with the first connecting piece 2, and the pneumatic hammer machine sleeve is connected with the second connecting piece 3.
Specifically, the air cannon machine is used for driving the first connecting piece 2 to rotate, and the first connecting piece 2 and the second connecting piece 3 realize the change of the transmission direction through the meshing transmission of the bevel gear. The pneumatic hammer machine sleeve is connected to the second connecting piece 3 and used for disassembling parts, the pneumatic hammer machine sleeve can rotate coaxially with the pneumatic hammer machine sleeve in a non-coaxial mode through the provided turning joint, and the pneumatic hammer machine sleeve can be used for disassembling parts on axial positions of non-pneumatic hammer machines.
The above embodiments are merely illustrative of the technical concepts and features of the present application, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present application and implement the present application, and not to limit the protection scope of the present application. All equivalent changes and modifications made according to the spirit of the present application should be covered in the protection scope of the present application.
All articles and references disclosed, including patent applications and publications, are hereby incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.
A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes.
Claims (10)
1. A direction changing joint, comprising:
a housing having a hollow cavity;
a first connecting member provided with a first bevel gear;
the first conical gear and the second conical gear can be in meshing transmission, the first conical gear rotates around a first axis, and the second conical gear rotates around a second axis;
the first bevel gear and the second bevel gear are arranged in the shell, a first limiting mechanism used for limiting the first connecting piece to axially move relative to the first axial direction is arranged between the first connecting piece and the shell, a second limiting mechanism used for limiting the second connecting piece to axially move relative to the second axial direction is arranged between the second connecting piece and the shell, and the first connecting piece and the second connecting piece can both rotate in the circumferential direction.
2. The change joint of claim 1 wherein the first stop mechanism comprises: the first annular boss is arranged on the first connecting piece, and the first annular clamping groove is arranged on the shell and used for limiting the first annular boss;
the second stop gear includes: the second annular boss is arranged on the second connecting piece, and the second annular clamping groove is arranged on the shell and used for limiting the second annular boss.
3. The change joint of claim 2 wherein an outer surface of the first annular boss is provided with a first bearing, and a cavity for receiving the first bearing is formed between the first annular boss and the first annular groove; and a second bearing is arranged on the outer surface of the second annular boss, and a cavity for accommodating the second bearing is formed between the second annular boss and the second annular clamping groove.
4. The change joint of claim 1 wherein said first connector comprises: a first power transmission section located inside the housing and a first engagement section located outside the housing, the second connector comprising: a second power transmission section located inside the housing and a second engagement section located outside the housing; the housing is provided with a first opening for insertion of the first power transmission section and a second opening for insertion of the second power transmission section.
5. The change joint of claim 4 wherein a first stabilizing mechanism is disposed between the first power transmission section and the first opening and a second stabilizing mechanism is disposed between the second power transmission section and the second opening.
6. The change joint of claim 5 wherein the first stabilizing mechanism comprises: the first contact end face is arranged around the circumferential direction of the first opening, and the first bulge is arranged around the circumferential direction of the first power transmission section, the first contact end face extends from the first opening towards the hollow cavity in an inclined mode, and the first bulge abuts against the first contact end face;
the second stabilizing mechanism includes: the second contact terminal surface that winds the circumference setting of second open-ended and wind the second bellying that the circumference of second power transmission section set up, second contact terminal surface by the second open-ended orientation the cavity slope extends, the second bellying with second contact terminal surface counterbalance leans on.
7. The change joint of claim 6 wherein the outer surface of said first lobe is a curved surface configuration, said curved surface configuration of said first lobe being point contact when abutting said first contact end surface; the outer surface of the second protruding portion is of a curved surface structure, and the curved surface structure of the second protruding portion is in point contact with the second contact end face when the second protruding portion abuts against the second contact end face.
8. The direction changing joint as claimed in claim 4, wherein the first engagement section includes a first blocking portion, and the first opening forms a closed cavity with the first connecting member after being connected with the first blocking portion; the second joint section comprises a second shielding part, and after the second opening is in fit connection with the second shielding part, a closed cavity can be formed between the shell and the second connecting piece.
9. The change joint of claim 1 wherein the first axis is 90 ° from the second axis.
10. A demolition tool, comprising: wind big gun machine, wind big gun machine sleeve and diversion connect, wherein, the diversion connects and includes:
a housing having a hollow cavity;
a first connecting member provided with a first bevel gear;
the first conical gear and the second conical gear can be in meshing transmission, the first conical gear rotates around a first axis, and the second conical gear rotates around a second axis;
the first bevel gear and the second bevel gear are both arranged in the shell, a first limiting mechanism used for limiting the first connecting piece to axially move relative to the first axial direction is arranged between the first connecting piece and the shell, a second limiting mechanism used for limiting the second connecting piece to axially move relative to the second axial direction is arranged between the second connecting piece and the shell, and the first connecting piece and the second connecting piece can both rotate in the circumferential direction;
the air cannon machine is connected with the first connecting piece, and the air cannon machine sleeve is connected with the second connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766205.5U CN210968665U (en) | 2019-10-21 | 2019-10-21 | Diversion connects and demolishs instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766205.5U CN210968665U (en) | 2019-10-21 | 2019-10-21 | Diversion connects and demolishs instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210968665U true CN210968665U (en) | 2020-07-10 |
Family
ID=71421953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766205.5U Active CN210968665U (en) | 2019-10-21 | 2019-10-21 | Diversion connects and demolishs instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210968665U (en) |
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2019
- 2019-10-21 CN CN201921766205.5U patent/CN210968665U/en active Active
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