CN114412901A - Connecting device and connecting method for connecting two connecting objects - Google Patents
Connecting device and connecting method for connecting two connecting objects Download PDFInfo
- Publication number
- CN114412901A CN114412901A CN202210121755.1A CN202210121755A CN114412901A CN 114412901 A CN114412901 A CN 114412901A CN 202210121755 A CN202210121755 A CN 202210121755A CN 114412901 A CN114412901 A CN 114412901A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hole
- connecting body
- floating gap
- annular floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 12
- 230000005489 elastic deformation Effects 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/005—Set screws; Locking means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a connecting device and a connecting method for connecting two connecting objects, and belongs to the technical field of machining. The connecting device for connecting two connection objects includes: the first connecting body is provided with a step cylindrical through hole; the step cylinder is arranged in the step cylinder through hole, the upper end of the step cylinder penetrates through the step cylinder through hole inwards, and an annular floating gap I is formed between the step cylinder and the part of the connecting body I, which is overlapped in the horizontal projection; the limiting body is arranged at the lower end of the step cylindrical through hole; the second connecting body is connected to the connecting part, and an annular floating gap II is formed between the second connecting body and the free end of the first connecting body; and the elastic sealing element is arranged in the annular floating gap II, and an annular floating gap III is formed between the stepped cylinder and the part of the connecting body I overlapped in the projection in the vertical direction. The connecting device for connecting two connecting objects is convenient to disperse bearing capacity and can effectively ensure the surface shape precision of a product.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a connecting device and a connecting method for connecting two connecting objects.
Background
In the field of machining and manufacturing, for connection between two mechanical and electronic products, the two mechanical and electronic products are usually directly connected together by screws, but the assembled and molded mechanical and electronic products are usually required to be applied outdoors, the environment for outdoor application is severe, many assembled and molded mechanical and electronic products are required to be capable of normally working in a humidity environment of-40 ℃ to 50 ℃, the two mechanical and electronic products are easily affected by expansion and contraction, and the difference of the coefficients of thermal expansion between the two mechanical and electronic products is large, so that the expansion and contraction of a frame structure can be caused to generate surface shape deformation, further the surface shape precision of the assembled and molded mechanical and electronic products can not meet the precision requirement, and the risk of local cracking and even breaking of the connection structure due to overlarge stress can be easily caused; particularly, when the two types of mechatronic products or the supporting frames for supporting the two types of mechatronic products are made of different materials.
In addition, at present, a specially-made floating device is usually adopted to eliminate the difference of the thermal expansion coefficients of the two mechanical electronic products, namely, the pin-shaft type one-dimensional direction floating is adopted, and the problem of expansion with heat and contraction with cold caused by the connection of the two mechanical electronic products is solved through the arrangement in different directions. This type is usually large in size, requires special design for the floating support point position, and has a limited number of support points, which is not favorable for distributing the bearing capacity. Therefore, a connecting device which can conveniently disperse the bearing capacity and effectively ensure the surface shape precision of the product is needed.
Disclosure of Invention
The present invention is directed to overcoming at least one of the disadvantages of the related art as described above, and to provide a connecting device for connecting two connection objects, which facilitates dispersion of load bearing capacity and can effectively ensure surface shape accuracy of a product, and a connecting method for connecting two connection objects.
The technical scheme for solving the technical problems is as follows: a connecting apparatus for connecting two connection objects including a first connection object and a second connection object, the connecting apparatus for connecting two connection objects comprising:
the first connecting body is used for being connected with the first connecting object, a limiting bulge is arranged on the first connecting body, the limiting bulge extends upwards to form a free end, a step cylindrical through hole is vertically arranged on the limiting bulge, the step cylindrical through hole extends downwards from the free end of the limiting bulge and penetrates through the first connecting body, the lower end of the step cylindrical through hole is a large-aperture end, and the upper end of the step cylindrical through hole is a small-aperture end;
the upper end of the step cylinder is a large-diameter end, the lower end of the step cylinder is a small-diameter end, the appearance of the step cylinder is matched with the shape of the step cylinder through hole, the step cylinder is installed in the step cylinder through hole in a matched mode, a distance is reserved between the lower end of the step cylinder and the lower side face of the first connecting body to form a first installation cavity, the upper end of the step cylinder penetrates through the step cylinder through hole to extend upwards to form a connecting portion, and a distance is reserved between the step cylinder and the portion, overlapped with the projection of the first connecting body, of the step cylinder in the horizontal direction to form a first annular floating gap;
the limiting body is arranged in the first mounting cavity and limits the step cylinder in the step cylinder through hole;
the second connecting body is connected with the connecting part, a space is formed between the second connecting body and the free end of the first connecting body in the vertical direction to form a second annular floating gap, and the second annular floating gap is communicated with the first annular floating gap;
elastic sealing element is the annular column structure, elastic sealing element installs in the annular floats in the clearance two and is located the periphery of the minor diameter end of step cylinder, elastic sealing element ends to be in connect the body two with produce elastic deformation and extrusion between the free end of connect the body one connect the body two with the free end of connect the body one, the step cylinder with connect the body one and have the interval between the part that the projection of vertical direction overlaps and form annular floating gap three, annular floating gap three with annular floating gap intercommunication.
The invention has the beneficial effects that: connecting the first connecting object to the first connecting body and the second connecting object to the second connecting body, wherein a first annular floating gap is formed between the projection overlapping parts of the step cylinder and the first connecting body in the horizontal direction, a second annular floating gap is formed between the second connecting body and the free end of the first connecting body in the vertical direction, and the second annular floating gap is communicated with the first annular floating gap; furthermore, an elastic sealing element in an annular structure is installed in the annular floating gap II, the elastic sealing element is abutted between the free end of the connecting body II and the free end of the connecting body I and generates elastic deformation to extrude the free end of the connecting body II and the free end of the connecting body I, a space is formed between the step cylinder and the part of the connecting body I overlapped in the vertical projection direction to form an annular floating gap III, and the annular floating gap III is communicated with the annular floating gap I. From this, annular floating gap one in this embodiment, annular floating gap two and annular floating gap three provide the floating space for the slip of step cylinder at horizontal direction and vertical direction, thereby reduce the expend with heat and contract with cold shape deflection that produces under the condition that the temperature variation is big of the first connection object of connection on the connection body one and the second connection object of connection on the connection body two, effectively avoid the first connection object of connection on the connection body one and the second connection object of connection on the connection body two because expend with heat and contract with cold shape deflection and stress is too big leads to the local fracture even fracture of connection structure, be favorable to ensureing the shape precision of face of first connection object and second connection object. Furthermore, floating fulcrums can be selected at any positions of the first connecting body and the second connecting body in the embodiment, the number of the floating fulcrums can be flexibly selected according to needs, the floating fulcrums can be flexibly adjusted according to the needs of installing the first connecting object and the second connecting object, the applicability and the flexibility of connecting the first connecting object and the second connecting object by the connecting device for connecting the two connecting objects are improved, and the bearing capacity is conveniently dispersed.
In addition, on the basis of the above technical solution, the present invention may be further improved as follows, and may further have the following additional technical features.
According to an embodiment of the invention, an internal thread I is arranged on the inner side wall of the first mounting cavity, the limiting body is of a disc-shaped structure, an external thread I capable of being in threaded connection with the internal thread I in a matched manner is arranged on the outer side wall of the limiting body corresponding to the internal thread I, and the external thread I is in threaded connection with the internal thread I.
The limiting body in the embodiment is in threaded connection with the inner side wall of the first mounting cavity, so that the limiting body can be screwed into the first mounting cavity by a proper depth conveniently, and the size of the third annular floating gap is adjusted to be proper; in addition, still be convenient for carry out the dismouting to step cylinder and spacing body.
According to an embodiment of the invention, a mounting through hole is formed in the second connecting body opposite to the connecting part, a second internal thread is formed in the inner side wall of the mounting through hole, the connecting part is of a disc-shaped structure, a second external thread capable of being in threaded connection with the second internal thread is formed in the outer side wall of the connecting part corresponding to the second internal thread, and the second external thread is in threaded connection with the second internal thread.
The second connecting body in the embodiment is in threaded connection with the outer side wall of the connecting part, so that the connecting part can be screwed into the connecting part to a proper depth in the mounting through hole, the size of the second annular floating gap is adjusted, and the size of the second annular floating gap is proper; in addition, still be convenient for carry out the dismouting to step cylinder and connecting body two.
According to an embodiment of the invention, the first connection object and the second connection object are made of different materials, the lower end surface of the limiting body is a plane, the lower end surface of the first connection body is a plane, and the lower end surface of the limiting body is flush with the lower end surface of the first connection body;
the upper end face of the second connecting body is a plane, the upper end face of the connecting portion is a plane, and the upper end face of the connecting portion is flush with the upper end face of the limiting body.
In this embodiment, the first connection object and the second connection object are made of different materials, and the first connection object and the second connection object are more susceptible to surface shape deformation caused by thermal expansion and cold contraction due to temperature change; the lower end face of the limiting body in the embodiment is a plane, the lower end face of the first connecting body is a plane, and the lower end face of the limiting body is flush with the lower end face of the first connecting body, so that a first connecting object can be conveniently connected to the first connecting body; furthermore, the upper end face of the second connecting body is a plane, the upper end face of the connecting portion is flush with the upper end face of the limiting body, and the second connecting object is conveniently connected to the second connecting body.
According to one embodiment of the invention, the size of the first annular floating gap is 1.0mm-1.2mm, the size of the second annular floating gap is 0.9mm-1.1mm, and the size of the third annular floating gap is 0.05mm-0.15 mm. The size of the first annular floating gap in the embodiment is 1.0mm-1.2mm, and a proper sliding space is provided for the sliding of the stepped cylinder in the lateral direction; furthermore, the size of the second annular floating gap is 0.9mm-1.1mm, which is beneficial to installing an elastic sealing element in the second annular floating gap; in addition, the size of the third annular floating gap in the embodiment is 0.05mm-0.15mm, a floating space of 0.05mm-0.15mm can be provided in the vertical direction, the first connecting body and the second connecting body are favorably prevented from being pressed and clamped, and the overall bearing capacity of the connecting device for connecting two connecting objects can be improved.
According to one embodiment of the invention, an annular groove is arranged on the free end of the limiting protrusion opposite to the second connecting body, the annular groove is recessed towards the free end of the limiting protrusion, the lower end of the elastic sealing element is installed in the annular groove, and the upper end of the elastic sealing element is in abutting connection with the lower side surface of the second connecting body.
In this embodiment, just being equipped with annular groove to connecting body two on spacing bellied free end, being convenient for install elastic sealing element in the annular groove, and be favorable to increasing the thickness dimension of the elastic sealing element who sets up to be favorable to improving the size of elastic sealing element's deformation and backward extrusion's power, be favorable to improving elastic sealing element and float the sealed possibility in clearance two annular.
According to one embodiment of the invention, the stepped cylindrical through hole sequentially comprises a first cylindrical hole, a second cylindrical hole and a third cylindrical hole from top to bottom, the centers of the first cylindrical hole, the second cylindrical hole and the third cylindrical hole are on the same vertical axis, the aperture of the second cylindrical hole is larger than that of the first cylindrical hole, the aperture of the third cylindrical hole is larger than that of the second cylindrical hole, and the inner side of the third cylindrical hole forms the first mounting cavity;
the step cylinder sequentially comprises a first cylinder, a second cylinder and a third cylinder, the circle centers of the first cylinder, the second cylinder and the third cylinder are on the same vertical axis from top to bottom, the first cylinder forms the connecting part, the diameter of the second cylinder is larger than that of the first cylinder, and the diameter of the third cylinder is larger than that of the second cylinder;
the second cylinder is arranged on the inner side of the first cylinder hole, a first annular floating gap formed by a distance between the outer side wall of the second cylinder and the inner side wall of the first cylinder hole is a first annular floating gap, the third cylinder is arranged on the inner side of the second cylinder hole, a first annular floating gap formed by a distance between the outer side wall of the third cylinder and the inner side wall of the second cylinder hole is a first second annular floating gap, and a distance between the upper side wall of the second cylinder hole and the upper side surface of the third cylinder hole is a third annular floating gap.
The step cylindrical through hole in the embodiment sequentially comprises a first cylindrical hole, a second cylindrical hole and a third cylindrical hole, the circle centers of which are on the same vertical axis, from top to bottom, the step cylindrical hole sequentially comprises the first cylinder, the second cylinder and the third cylinder, the circle centers of which are on the same vertical axis, from top to bottom, a first annular floating gap is formed between the outer side wall of the second cylinder and the inner side wall of the first cylindrical hole at a distance, a first annular floating gap is formed between the outer side wall of the third cylinder and the inner side wall of the second cylindrical hole at a distance, a third annular floating gap is formed between the upper side wall of the second cylindrical hole and the upper side surface of the third cylinder at a distance, and the deformation of the surface shape of the thermal expansion and contraction generated under the condition that the temperature is greatly changed between the first connecting object connected to the first connecting body and the second connecting object connected to the second connecting body is reduced, the local cracking and even breaking of the connecting structure caused by overlarge stress due to the surface shape deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body and the second connecting object connected to the second connecting body can be effectively avoided, and the surface shape precision of the first connecting object and the second connecting object can be ensured; in addition, the stepped cylindrical through hole and the stepped cylindrical body are simple in structure and convenient to produce and obtain.
According to one embodiment of the invention, the height dimension of the first connecting body is 8mm-12mm, and the height dimension of the second connecting body is 8mm-12 mm. The height dimension of the first connecting body is 8mm-12mm, and the height dimension of the second connecting body is 8mm-12mm, so that the whole size of the connecting device for connecting two connecting objects is small, and the applicability of the connecting device for connecting two connecting objects is improved.
In addition, the present embodiment provides a connection method for connecting two connection objects, which connects the two connection objects by using the above connection device for connecting two connection objects, including:
the step cylinder is installed in the step cylinder through hole of the first connecting body in a matching mode;
installing the limiting body in the first mounting cavity, limiting the stepped cylinder in the stepped cylinder through hole, and enabling a distance to be reserved between the stepped cylinder and a part of the first connecting body, which is overlapped in the horizontal projection, to form a first annular floating gap;
connecting the second connecting body to the connecting part on the step cylinder, so that a gap is reserved between the second connecting body and the free end of the first connecting body in the vertical direction to form a second annular floating gap;
an elastic sealing element in an annular structure is arranged in the annular floating gap II, the elastic sealing element is located on the periphery of the small-diameter end of the stepped cylinder, the elastic sealing element is abutted between the free ends of the connecting body II and the connecting body I and generates elastic deformation to extrude the free ends of the connecting body II and the connecting body I, and a space is formed between the parts of the stepped cylinder and the connecting body I, which are overlapped in the vertical projection direction, so that an annular floating gap III is formed;
and connecting the first connecting object to the lower side surface of the first connecting body, and connecting the second connecting object to the upper side surface of the second connecting body.
In the connection method for connecting two connection objects in the embodiment, the two connection objects are connected by using the connection device for connecting two connection objects, the first connection object is connected to the lower side surface of the first connection body, the second connection object is connected to the upper side surface of the second connection body, an annular floating gap I is formed due to the space between the overlapped parts of the stepped cylinder and the first connection body in the horizontal projection, an annular floating gap II is formed between the second connection body and the free end of the first connection body in the vertical direction, and the annular floating gap II is communicated with the annular floating gap I; furthermore, an elastic sealing element in an annular structure is installed in the annular floating gap II, the elastic sealing element is abutted between the free end of the connecting body II and the free end of the connecting body I and generates elastic deformation to extrude the free end of the connecting body II and the free end of the connecting body I, a space is formed between the step cylinder and the part of the connecting body I overlapped in the vertical projection direction to form an annular floating gap III, and the annular floating gap III is communicated with the annular floating gap I. From this, annular floating gap one in this embodiment, annular floating gap two and annular floating gap three provide the floating space for the slip of step cylinder at horizontal direction and vertical direction, thereby reduce the expend with heat and contract with cold shape deflection that produces under the condition that the temperature variation is big of the first connection object of connection on the connection body one and the second connection object of connection on the connection body two, effectively avoid the first connection object of connection on the connection body one and the second connection object of connection on the connection body two because expend with heat and contract with cold shape deflection and stress is too big leads to the local fracture even fracture of connection structure, be favorable to ensureing the shape precision of face of first connection object and second connection object. Furthermore, floating fulcrums can be selected at any positions of the first connecting body and the second connecting body, the number of the floating fulcrums can be flexibly selected according to needs, the floating fulcrums can be flexibly adjusted according to the needs of installing the first connecting object and the second connecting object, the applicability and the flexibility of connecting the first connecting object and the second connecting object by the connecting device for connecting the two connecting objects are improved, and the bearing capacity is conveniently dispersed.
According to an embodiment of the present invention, before the step cylinder is fittingly installed in the step cylinder through hole of the first connecting body, the connecting method for connecting two connecting objects further includes:
polytetrafluoroethylene is respectively coated on the surfaces of two parts in contact among the first connecting body, the step cylinder, the limiting body and the second connecting body;
and lubricating grease is coated on the stepped cylinder.
Before installing step cylinder adaptation in the step cylinder through-hole of connecting body one in this embodiment, equally divide through the surface that has two parts of contact in connecting body one, step cylinder, spacing body and connecting body two and scribble polytetrafluoroethylene respectively, polytetrafluoroethylene can increase the surface finish and the surface hardness of the part of two contacts, is favorable to improving the wearability of two parts that contact, improves the life who is used for connecting the connecting device of two connected objects. Furthermore, lubricating grease is coated on the stepped cylinder, so that the smoothness of installation of the stepped cylinder is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection device for connecting two connection objects according to an embodiment of the present invention;
fig. 2 is a front view of the connecting device for connecting two connection objects of fig. 1 after being aligned;
fig. 3 is a top view of the connecting device for connecting two connection objects in fig. 2;
fig. 4 is a sectional view of the connecting device for connecting two connection objects of fig. 2, taken along a middle portion thereof in a front direction;
fig. 5 is a schematic diagram showing the connection device for connecting two connection objects in fig. 1 in an assembled and disassembled state.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the connecting body I, 2, the step cylinder, 3, the limiting body, 4, the connecting body II, 5, the elastic sealing element, 10, the limiting protrusion, 11, the step cylinder through hole, 12, the threaded through hole I, 20, the first cylinder, 21, the second cylinder, 22, the third cylinder, 23, the lightening groove, 30, the rotary adjusting hole II, 40, the mounting through hole, 41, the threaded through hole II, 42, the blocking protrusion, 60, the annular floating gap II, 61, the first annular floating gap I, 62, the annular floating gap III, 63, the second annular floating gap I, 101, the annular groove, 201 and the rotary adjusting hole I.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The present embodiment provides a connecting apparatus for connecting two connection objects, where the two connection objects include a first connection object and a second connection object, and as shown in fig. 1 to 5, the connecting apparatus for connecting two connection objects includes:
the connecting body I1 is used for being connected with a first connecting object, a limiting protrusion 10 is arranged on the connecting body I1, the limiting protrusion 10 extends upwards to form a free end, a step cylindrical through hole 11 is vertically arranged on the limiting protrusion 10, the step cylindrical through hole 11 extends downwards from the free end of the limiting protrusion 10 and penetrates through the connecting body I1, the lower end of the step cylindrical through hole 11 is a large-aperture end, and the upper end of the step cylindrical through hole 11 is a small-aperture end;
the step cylinder 2 is provided with a large-diameter end at the upper end of the step cylinder 2, a small-diameter end at the lower end of the step cylinder 2, the shape of the step cylinder 2 is matched with the shape of the step cylinder through hole 11, the step cylinder 2 is installed in the step cylinder through hole 11 in a matching mode, a first installation cavity is formed by the lower end of the step cylinder 2 and the lower side face of the first connecting body 1 at intervals, the upper end of the step cylinder 2 penetrates through the step cylinder through hole 11 to extend upwards to form a connecting part, and a first annular floating gap is formed by the interval between the step cylinder 2 and the part of the first connecting body 1, which is overlapped in the projection in the horizontal direction;
the limiting body 3 is arranged in the first mounting cavity and limits the stepped cylinder 2 in the stepped cylinder through hole 11;
the second connecting body 4 is used for being connected with a second connecting object, the second connecting body 4 is connected to the connecting part, a space is reserved between the second connecting body 4 and the free end of the first connecting body 1 in the vertical direction to form a second annular floating gap 60, and the second annular floating gap 60 is communicated with the first annular floating gap;
In the present embodiment, as shown in fig. 1 to 5, the first connection object in the present embodiment is connected to the first connection body 1, and the second connection object is connected to the second connection body 4, since a space is provided between the projection overlapping portions of the stepped cylinder 2 and the first connection body 1 in the horizontal direction to form a first annular floating gap, a space is provided between the second connection body 4 in the vertical direction and the free end of the first connection body 1 to form a second annular floating gap 60, and the second annular floating gap 60 is communicated with the first annular floating gap; furthermore, an elastic sealing element 5 in an annular structure is installed in the second annular floating gap 60, the elastic sealing element 5 is stopped between the second connecting body 4 and the free end of the first connecting body 1 and generates elastic deformation to press the free end of the second connecting body 4 and the free end of the first connecting body 1, a space is formed between the overlapped parts of the projection of the step cylinder 2 and the first connecting body 1 in the vertical direction to form a third annular floating gap 62, and the third annular floating gap 62 is communicated with the first annular floating gap. Therefore, the first annular floating gap, the second annular floating gap 60 and the third annular floating gap 62 in the embodiment provide floating space for sliding of the step cylinder 2 in the horizontal direction and the vertical direction, so that the amount of surface-shaped deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body 1 and the second connecting object connected to the second connecting body 4 in the case of large temperature change is reduced, the local cracking and even breaking of the connecting structure caused by overlarge stress due to the surface-shaped deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body 1 and the second connecting object connected to the second connecting body 4 are effectively avoided, and the surface-shaped precision of the first connecting object and the second connecting object is favorably ensured. Furthermore, floating fulcrums can be selected at any positions of the first connecting body 1 and the second connecting body 4 in the embodiment, the number of the floating fulcrums can be flexibly selected according to needs, the floating fulcrums can be flexibly adjusted according to the needs of installing the first connecting object and the second connecting object, the applicability and the flexibility of connecting the first connecting object and the second connecting object by the connecting device for connecting the two connecting objects are improved, and the bearing capacity is conveniently dispersed. It should be noted that "in the case of a large temperature change" in the present embodiment specifically means a temperature change at (-40 ℃ to +50 ℃), but of course, other temperature changes may be large.
In the present embodiment, as shown in fig. 1 and 5, a plurality of first threaded through holes 12 for connecting with a first connection object are provided at intervals on the first connection body 1, and a plurality of second threaded through holes 41 for connecting with a second connection object are provided at intervals on the second connection body 4; furthermore, the upper side of the first threaded through hole 12 in the embodiment is provided with an outer chamfer, so that the step cylinder 2 can be automatically aligned when the step cylinder 2 is installed. In addition, the first connecting body 1 can be connected with the first connecting object through other connecting modes, and the second connecting body 4 can also be connected with the second connecting object through other connecting modes. Further, in this embodiment, connecting body 1 specifically is the rectangle column structure that the middle part was equipped with spacing arch 10, and spacing arch 10 is cylindric structure, and both sides are equipped with vertical material plane that subtracts around spacing arch 10, and connecting body two 4 is the rectangle column structure, specifically is equipped with four screw through-hole one 12 on connecting body 1, specifically is equipped with four screw through-hole two 41 on connecting body two 4, and connecting body one 1 and connecting body two 4 can also set other structures.
Further, as shown in fig. 4, in order to improve the dust-blocking effect of the second connecting body 4 in this embodiment, a blocking protrusion 42 protruding downward is disposed at the lower side edge of the second connecting body 4, the blocking protrusion 42 extends downward to form a free end, and the lower end surface of the blocking protrusion 42 is parallel to the upper side surface of the limiting protrusion 10.
In this embodiment, as shown in fig. 4, the upper end of the connecting portion is provided with a plurality of first rotation adjusting holes 201 for rotating the stepped cylinder 2, and the lower end of the limiting body 3 is provided with a plurality of second rotation adjusting holes 30 for rotating the stepped cylinder 2. Furthermore, two rotation adjusting holes 201 are specifically arranged, and two rotation adjusting holes 30 are specifically arranged, so that the step cylinder 2 and the limiting body 3 can be conveniently rotated by an auxiliary tool, and the step cylinder 2 and the limiting body 3 can be conveniently installed; in addition, in this embodiment, another structure for rotating the stepped cylinder 2 may be provided on the stepped cylinder 2, and another structure for rotating the limiting body 3 may be provided at the lower end of the limiting body 3.
In the present embodiment, as shown in fig. 4, the lower end of the stepped cylinder 2 in the present embodiment is provided with a lightening groove 23, the lightening groove 23 extends upward from the lower end of the stepped cylinder 2 to near the connecting portion, the lightening groove 23 has a cylindrical structure, and the lightening groove 23 may be provided in other structures.
It should be noted that, in the present embodiment, the first connection object and the second connection object are not illustrated, the first connection object and the second connection object may be a mounting frame or a planar structure, or may be other connection surfaces, and when the shapes of the contact surfaces of the first connection object and the second connection object and the connection device for connecting the two connection objects are changed, the connection surfaces of the connection device for connecting the two connection objects and the first connection object and the second connection object may be adjusted according to the shapes of the first connection object and the second connection object.
In an embodiment of the present invention, as shown in fig. 4 and 5, an inner side wall of the first mounting cavity is provided with a first internal thread, the limiting body 3 is in a disc-shaped structure, an outer side wall of the limiting body 3 is provided with a first external thread corresponding to the first internal thread, and the first external thread is in threaded connection with the first internal thread.
In this embodiment, as shown in fig. 4 and 5, the limiting body 3 is in threaded connection with the inner side wall of the first mounting cavity, so that the limiting body 3 can be screwed into the first mounting cavity by a suitable depth, and the size of the third annular floating gap 62 can be adjusted, so that the size of the third annular floating gap 62 is suitable; in addition, still be convenient for carry out the dismouting to step cylinder 2 and spacing body 3. Further, the first internal thread in this embodiment is a fine internal thread, and the second external thread is a fine external thread, and the fine internal thread and the fine external thread in this embodiment are not shown in the drawings.
According to an embodiment of the invention, as shown in fig. 4 and 5, a second connecting body 4 is provided with a second mounting through hole 40 opposite to the second connecting part, the inner side wall of the second mounting through hole 40 is provided with a second internal thread, the second connecting part is in a disc-shaped structure, the outer side wall of the second connecting part is provided with a second external thread capable of being in threaded connection with the second internal thread corresponding to the second internal thread, and the second external thread is in threaded connection with the second internal thread.
In this embodiment, as shown in fig. 4 and 5, the second connecting body 4 is in threaded connection with the outer side wall of the connecting portion, so that the connecting portion can be screwed into the connecting portion to a suitable depth in the mounting through hole 40, and the size of the second annular floating gap 60 can be adjusted, so that the size of the second annular floating gap 60 is suitable; in addition, still be convenient for carry out the dismouting to step cylinder 2 and connecting body two 4. Further, the second internal thread in this embodiment is specifically a fine internal thread, and the second external thread is specifically a fine external thread, and the fine internal thread and the fine external thread in this embodiment are not shown in the drawings.
In an embodiment of the present invention, as shown in fig. 1 to 5, the first connection object and the second connection object are made of different materials, the lower end surface of the limiting body 3 is a plane, the lower end surface of the first connection body 1 is a plane, and the lower end surface of the limiting body 3 is flush with the lower end surface of the first connection body 1;
the upper end face of the second connecting body 4 is a plane, the upper end face of the connecting portion is a plane, and the upper end face of the connecting portion is flush with the upper end face of the limiting body 3.
In the present embodiment, as shown in fig. 1 to 5, the first connection object and the second connection object are made of different materials, and the first connection object and the second connection object are more susceptible to the influence of temperature change to cause surface shape deformation due to expansion with heat and contraction with cold; the lower end face of the limiting body 3 in the embodiment is a plane, the lower end face of the first connecting body 1 is a plane, and the lower end face of the limiting body 3 is flush with the lower end face of the first connecting body 1, so that a first connecting object can be conveniently connected to the first connecting body 1; furthermore, the upper end face of the second connecting body 4 is a plane, the upper end face of the connecting portion is flush with the upper end face of the limiting body 3, and the second connecting object is conveniently connected to the second connecting body 4. Further, the connection device for connecting two connection objects in this embodiment may also be used to connect two first connection objects and two second connection objects with the same material.
In one embodiment of the present invention, as shown in fig. 4, the first annular floating gap has a size of 1.0mm to 1.2mm, the second annular floating gap 60 has a size of 0.9mm to 1.1mm, and the third annular floating gap 62 has a size of 0.05mm to 0.15 mm. In the embodiment, the size of the first annular floating gap is 1.0mm-1.2mm, and a proper sliding space is provided for the sliding of the stepped cylinder 2 in the lateral direction; furthermore, the size of the second annular floating gap 60 is 0.9mm-1.1mm, which is beneficial to installing the elastic sealing element 5 in the second annular floating gap 60; in addition, the size of the third annular floating gap 62 in the embodiment is 0.05mm-0.15mm, which can provide a floating space of 0.05mm-0.15mm in the vertical direction, which is beneficial to preventing the first connecting body 1 and the second connecting body 4 from being pressed and clamped to the step cylinder 2, and also can improve the overall bearing capacity of the connecting device for connecting two connecting objects. Further, the single connecting device for connecting two connecting objects in this embodiment can bear a bearing capacity of approximately 100kg, and when a larger bearing capacity needs to be borne, a plurality of connecting devices for connecting two connecting objects can be installed in parallel, or the size of the connecting device for connecting two connecting objects can be adjusted as needed.
According to one embodiment of the invention, as shown in fig. 4 and 5, an annular groove 101 is formed on the free end of the limiting protrusion 10 opposite to the connecting body two 4, the annular groove 101 is recessed towards the free end of the limiting protrusion 10, the lower end of the elastic sealing element 5 is installed in the annular groove 101, and the upper end of the elastic sealing element 5 is in abutting connection with the lower side surface of the connecting body two 4.
In this embodiment, as shown in fig. 4 and 5, the annular groove 101 is provided on the free end of the limiting protrusion 10, and the second connecting body 4 is directly opposite to the second connecting body, so that the elastic sealing element 5 is conveniently installed in the annular groove 101, and the thickness of the elastic sealing element 5 is increased, thereby improving the deformation and the reverse extrusion force of the elastic sealing element 5, and improving the sealing possibility of the elastic sealing element 5 to the second annular floating gap 60. Further, the material of the elastic sealing member 5 in this embodiment is felt, and other materials having sealing and elastic properties may be used for the elastic sealing member 5. In addition, the annular groove 101 in this embodiment is disposed in the middle of the limiting protrusion 10, and the annular groove 101 may have other arrangement manners.
In an embodiment of the present invention, as shown in fig. 4 and 5, the stepped cylindrical through hole 11 sequentially includes, from top to bottom, a first cylindrical hole, a second cylindrical hole and a third cylindrical hole, whose centers are on the same vertical axis, where an aperture of the second cylindrical hole is larger than an aperture of the first cylindrical hole, an aperture of the third cylindrical hole is larger than an aperture of the second cylindrical hole, and an inner side of the third cylindrical hole forms a first mounting cavity;
the stepped cylinder 2 sequentially comprises a first cylinder 20, a second cylinder 21 and a third cylinder 22 from top to bottom, the centers of the first cylinder 20, the second cylinder 21 and the third cylinder 22 are on the same vertical axis, the first cylinder 20 forms a connecting part, the diameter of the second cylinder 21 is larger than that of the first cylinder 20, and the diameter of the third cylinder 22 is larger than that of the second cylinder 21;
the second cylinder 21 is installed on the inner side of the first cylinder hole, a first annular floating gap 61 is formed between the outer side wall of the second cylinder 21 and the inner side wall of the first cylinder hole, a first annular floating gap formed by a distance is formed between the outer side wall of the second cylinder 22 and the inner side wall of the second cylinder hole, a first annular floating gap 63 is formed between the outer side wall of the third cylinder 22 and the inner side wall of the second cylinder hole, and a third annular floating gap 62 is formed between the upper side wall of the second cylinder hole and the upper side face of the third cylinder 22.
In the present embodiment, as shown in fig. 4 and 5, the stepped cylindrical through hole 11 includes, in order from top to bottom, a first cylindrical hole, a second cylindrical hole, and a third cylindrical hole having centers on the same vertical axis, the stepped cylindrical body 2 includes, in order from top to bottom, a first cylinder 20, a second cylinder 21, and a third cylinder 22 having centers on the same vertical axis, a first annular floating gap 61 is formed between an outer sidewall of the second cylinder 21 and an inner sidewall of the first cylindrical hole, a second annular floating gap 63 is formed between an outer sidewall of the third cylinder 22 and an inner sidewall of the second cylindrical hole, a third annular floating gap 62 is formed between an upper sidewall of the second cylindrical hole and an upper side of the third cylinder 22, and an amount of deformation of a thermal expansion surface and a cold contraction surface generated when a first connection object connected to the first connection body 1 and a second connection object connected to the second connection body 4 change in temperature is reduced, the local cracking and even breaking of the connecting structure caused by overlarge stress due to the surface shape deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body 1 and the second connecting object connected to the second connecting body 4 can be effectively avoided, and the surface shape precision of the first connecting object and the second connecting object can be ensured; in addition, the stepped cylindrical through hole 11 and the stepped cylindrical body 2 are simple in structure and convenient to produce and obtain. Further, the first cylindrical hole and the second cylindrical hole in this embodiment are light holes, and the height of the second cylindrical hole in the vertical direction is slightly larger than the thickness of the third cylinder 22.
In one embodiment of the present invention, as shown in fig. 1 to 5, the height dimension of the first connecting body 1 is 8mm to 12mm, and the height dimension of the second connecting body 4 is 8mm to 12 mm. In this embodiment, the height dimension of the first connecting body 1 is 8mm to 12mm, and the height dimension of the second connecting body 4 is 8mm to 12mm, which is beneficial to making the whole size of the connecting device for connecting two connecting objects smaller, and is beneficial to improving the applicability of the connecting device for connecting two connecting objects.
In addition, the present embodiment provides a connection method for connecting two connection objects, which connects the two connection objects by using the above connection device for connecting two connection objects, including:
the step cylinder 2 is arranged in the step cylinder through hole 11 of the first connecting body 1 in a matching mode;
installing the limiting body 3 in the first installation cavity, and limiting the stepped cylinder 2 in the stepped cylinder through hole 11, so that a space is formed between the stepped cylinder 2 and the part of the first connection body 1, which is overlapped in the horizontal projection direction, to form a first annular floating gap;
connecting the second connecting body 4 to the connecting part on the stepped cylinder 2, so that a gap is reserved between the second connecting body 4 and the free end of the first connecting body 1 in the vertical direction to form a second annular floating gap 60;
an elastic sealing element 5 in an annular structure is arranged in the annular floating gap II 60, the elastic sealing element 5 is located on the periphery of the small-diameter end of the step cylinder 2, the elastic sealing element 5 is stopped between the free ends of the connecting body II 4 and the connecting body I1 and generates elastic deformation to extrude the free ends of the connecting body II 4 and the connecting body I1, and a space is reserved between the parts of the step cylinder 2, which are overlapped with the projections of the connecting body I1 in the vertical direction, so that an annular floating gap III 62 is formed;
the first connection object is connected to the lower side surface of the first connection body 1, and the second connection object is connected to the upper side surface of the second connection body 4.
In this embodiment, the connecting method for connecting two connection objects uses the above-mentioned connecting device for connecting two connection objects to connect two connection objects, the first connection object is connected to the lower side surface of the first connection body 1, the second connection object is connected to the upper side surface of the second connection body 4, since there is a space between the overlapped parts of the stepped cylinder 2 and the first connection body 1 in the horizontal direction, an annular floating gap first is formed, there is a space between the second connection body 4 and the free end of the first connection body 1 in the vertical direction, an annular floating gap second 60 is formed, and the annular floating gap second 60 is communicated with the annular floating gap first; furthermore, an elastic sealing element 5 in an annular structure is installed in the second annular floating gap 60, the elastic sealing element 5 is stopped between the second connecting body 4 and the free end of the first connecting body 1 and generates elastic deformation to press the free end of the second connecting body 4 and the free end of the first connecting body 1, a space is formed between the overlapped parts of the projection of the step cylinder 2 and the first connecting body 1 in the vertical direction to form a third annular floating gap 62, and the third annular floating gap 62 is communicated with the first annular floating gap. Therefore, the first annular floating gap, the second annular floating gap 60 and the third annular floating gap 62 in the embodiment provide floating space for sliding of the step cylinder 2 in the horizontal direction and the vertical direction, so that the amount of surface-shaped deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body 1 and the second connecting object connected to the second connecting body 4 in the case of large temperature change is reduced, the local cracking and even breaking of the connecting structure caused by overlarge stress due to the surface-shaped deformation caused by thermal expansion and cold contraction of the first connecting object connected to the first connecting body 1 and the second connecting object connected to the second connecting body 4 are effectively avoided, and the surface-shaped precision of the first connecting object and the second connecting object is favorably ensured. Furthermore, floating fulcrums can be selected at any positions of the first connecting body 1 and the second connecting body 4, the number of the floating fulcrums can be flexibly selected according to needs, the floating fulcrums can be flexibly adjusted according to the needs of installing the first connecting object and the second connecting object, the applicability and the flexibility of connecting the first connecting object and the second connecting object by the connecting device for connecting the two connecting objects are improved, and the bearing capacity is conveniently dispersed.
In an embodiment of the present invention, before the step cylinder 2 is fittingly installed in the step cylinder through hole 11 of the first connection body 1, the connection method for connecting two connection objects further includes:
the surfaces of two parts in the connecting body I1, the step cylinder 2, the limiting body 3 and the connecting body II 4 which are in contact are respectively coated with polytetrafluoroethylene;
grease is applied to the stepped cylinder 2.
In this embodiment, before installing step cylinder 2 adaptation in the step cylinder through-hole 11 of connecting body 1, equally divide through the surface that has two parts of contact in connecting body 1, step cylinder 2, spacing body 3 and connecting body two 4 and scribble polytetrafluoroethylene respectively, polytetrafluoroethylene can increase the surface finish and the surface hardness of the part of two contacts, is favorable to improving the wearability of two parts that contact, carries out the life who improves the connecting device who is used for connecting two connected objects. Furthermore, lubricating grease is coated on the stepped cylinder 2, so that the smoothness of installation of the stepped cylinder 2 is improved.
In addition to the technical solutions disclosed in the present embodiment, for the female thread, the fine male thread, the elastic sealing member 5, the operation principle thereof, and the like in the present invention, reference may be made to conventional technical solutions in the present technical field, which are not the gist of the present invention, and the present invention is not set forth in detail herein.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A connecting apparatus for connecting two connection objects including a first connection object and a second connection object, characterized in that the connecting apparatus for connecting two connection objects comprises:
the first connecting body is used for being connected with the first connecting object, a limiting bulge is arranged on the first connecting body, the limiting bulge extends upwards to form a free end, a step cylindrical through hole is vertically arranged on the limiting bulge, the step cylindrical through hole extends downwards from the free end of the limiting bulge and penetrates through the first connecting body, the lower end of the step cylindrical through hole is a large-aperture end, and the upper end of the step cylindrical through hole is a small-aperture end;
the upper end of the step cylinder is a large-diameter end, the lower end of the step cylinder is a small-diameter end, the appearance of the step cylinder is matched with the shape of the step cylinder through hole, the step cylinder is installed in the step cylinder through hole in a matched mode, a distance is reserved between the lower end of the step cylinder and the lower side face of the first connecting body to form a first installation cavity, the upper end of the step cylinder penetrates through the step cylinder through hole to extend upwards to form a connecting portion, and a distance is reserved between the step cylinder and the portion, overlapped with the projection of the first connecting body, of the step cylinder in the horizontal direction to form a first annular floating gap;
the limiting body is arranged in the first mounting cavity and limits the step cylinder in the step cylinder through hole;
the second connecting body is connected with the connecting part, a space is formed between the second connecting body and the free end of the first connecting body in the vertical direction to form a second annular floating gap, and the second annular floating gap is communicated with the first annular floating gap;
elastic sealing element is the annular column structure, elastic sealing element installs in the annular floats in the clearance two and is located the periphery of the minor diameter end of step cylinder, elastic sealing element ends to be in connect the body two with produce elastic deformation and extrusion between the free end of connect the body one connect the body two with the free end of connect the body one, the step cylinder with connect the body one and have the interval between the part that the projection of vertical direction overlaps and form annular floating gap three, annular floating gap three with annular floating gap intercommunication.
2. The connecting device according to claim 1, wherein a first internal thread is provided on an inner sidewall of the first mounting cavity, the first limiting body has a disc-shaped structure, and a first external thread capable of being screwed with the first internal thread is provided on an outer sidewall of the first limiting body corresponding to the first internal thread, and the first external thread is screwed with the first internal thread.
3. The connecting device according to claim 2, wherein a second mounting hole is provided on the second connecting body opposite to the connecting portion, a second internal thread is provided on an inner sidewall of the second mounting hole, the connecting portion is in a disc-shaped structure, a second external thread capable of being screwed with the second internal thread is provided on an outer sidewall of the connecting portion corresponding to the second internal thread, and the second external thread is screwed with the second internal thread.
4. The connecting device for connecting two connecting objects according to claim 1, wherein the first connecting object and the second connecting object are made of different materials, the lower end surface of the first limiting body is a plane, the lower end surface of the first connecting body is a plane, and the lower end surface of the first limiting body is flush with the lower end surface of the first connecting body;
the upper end face of the second connecting body is a plane, the upper end face of the connecting portion is a plane, and the upper end face of the connecting portion is flush with the upper end face of the limiting body.
5. The connecting device according to any one of claims 1 to 4, wherein the size of the first annular floating gap is 1.0mm to 1.2mm, the size of the second annular floating gap is 0.9mm to 1.1mm, and the size of the third annular floating gap is 0.05mm to 0.15 mm.
6. The connecting device for connecting two connecting objects according to any one of claims 1 to 4, wherein an annular groove is provided on the free end of the limiting protrusion facing the connecting body II, the annular groove is recessed toward the free end of the limiting protrusion, the lower end of the elastic sealing element is installed in the annular groove, and the upper end of the elastic sealing element is in abutting connection with the lower side of the connecting body II.
7. The connecting device for connecting two connecting objects according to any one of claims 1 to 4, wherein the stepped cylindrical through hole comprises a first cylindrical hole, a second cylindrical hole and a third cylindrical hole in sequence from top to bottom, the centers of the first cylindrical hole, the second cylindrical hole and the third cylindrical hole are on the same vertical axis, the diameter of the second cylindrical hole is larger than that of the first cylindrical hole, the diameter of the third cylindrical hole is larger than that of the second cylindrical hole, and the inner side of the third cylindrical hole forms the first mounting cavity;
the step cylinder sequentially comprises a first cylinder, a second cylinder and a third cylinder, the circle centers of the first cylinder, the second cylinder and the third cylinder are on the same vertical axis from top to bottom, the first cylinder forms the connecting part, the diameter of the second cylinder is larger than that of the first cylinder, and the diameter of the third cylinder is larger than that of the second cylinder;
the second cylinder is arranged on the inner side of the first cylinder hole, a first annular floating gap formed by a distance between the outer side wall of the second cylinder and the inner side wall of the first cylinder hole is a first annular floating gap, the third cylinder is arranged on the inner side of the second cylinder hole, a first annular floating gap formed by a distance between the outer side wall of the third cylinder and the inner side wall of the second cylinder hole is a first second annular floating gap, and a distance between the upper side wall of the second cylinder hole and the upper side surface of the third cylinder hole is a third annular floating gap.
8. The connecting device for connecting two connecting objects according to any one of claims 1 to 4, wherein the height dimension of the first connecting body is 8mm to 12mm, and the height dimension of the second connecting body is 8mm to 12 mm.
9. A connecting method for connecting two connection objects, characterized in that connecting the two connection objects by using the connecting device for connecting two connection objects according to any one of claims 1 to 8, comprises:
the step cylinder is installed in the step cylinder through hole of the first connecting body in a matching mode;
installing the limiting body in the first mounting cavity, limiting the stepped cylinder in the stepped cylinder through hole, and enabling a distance to be reserved between the stepped cylinder and a part of the first connecting body, which is overlapped in the horizontal projection, to form a first annular floating gap;
connecting the second connecting body to the connecting part on the step cylinder, so that a gap is reserved between the second connecting body and the free end of the first connecting body in the vertical direction to form a second annular floating gap;
an elastic sealing element in an annular structure is arranged in the annular floating gap II, the elastic sealing element is located on the periphery of the small-diameter end of the stepped cylinder, the elastic sealing element is abutted between the free ends of the connecting body II and the connecting body I and generates elastic deformation to extrude the free ends of the connecting body II and the connecting body I, and a space is formed between the parts of the stepped cylinder and the connecting body I, which are overlapped in the vertical projection direction, so that an annular floating gap III is formed;
and connecting the first connecting object to the lower side surface of the first connecting body, and connecting the second connecting object to the upper side surface of the second connecting body.
10. The connecting device for connecting two connecting objects according to claim 9, further comprising, before fitting the stepped cylinder into the stepped cylinder through-hole of the first connecting body:
polytetrafluoroethylene is respectively coated on the surfaces of two parts in contact among the first connecting body, the step cylinder, the limiting body and the second connecting body;
and lubricating grease is coated on the stepped cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121755.1A CN114412901A (en) | 2022-02-09 | 2022-02-09 | Connecting device and connecting method for connecting two connecting objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121755.1A CN114412901A (en) | 2022-02-09 | 2022-02-09 | Connecting device and connecting method for connecting two connecting objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114412901A true CN114412901A (en) | 2022-04-29 |
Family
ID=81279239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210121755.1A Pending CN114412901A (en) | 2022-02-09 | 2022-02-09 | Connecting device and connecting method for connecting two connecting objects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114412901A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003042557A1 (en) * | 2001-10-30 | 2003-05-22 | Newfrey Llc | Floating nut cage fastener |
| CN202733274U (en) * | 2012-06-11 | 2013-02-13 | 中航光电科技股份有限公司 | Floating connector assembly and floating female connector thereof |
| CN106270216A (en) * | 2016-10-11 | 2017-01-04 | 长沙荆华电子科技有限公司 | A kind of floating junction and apply the punch press of this floating junction |
| CN109834232A (en) * | 2019-03-28 | 2019-06-04 | 彰武永红机械制造有限公司 | A kind of floating connection mechanism for casing Fe-pressing machine |
| CN209746090U (en) * | 2019-03-06 | 2019-12-06 | 法特迪精密科技（苏州）有限公司 | Test socket for use in case of no stress on upper surface of chip |
| CN210565589U (en) * | 2019-05-30 | 2020-05-19 | 西安法士特汽车传动有限公司 | Floating positioning pin |
| CN111600106A (en) * | 2020-06-17 | 2020-08-28 | 北京无线电测量研究所 | Waveguide coaxial converter |
| WO2020259685A1 (en) * | 2019-06-26 | 2020-12-30 | 奥动新能源汽车科技有限公司 | Electrical connection plug, electrical connection device and electric vehicle |
-
2022
- 2022-02-09 CN CN202210121755.1A patent/CN114412901A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003042557A1 (en) * | 2001-10-30 | 2003-05-22 | Newfrey Llc | Floating nut cage fastener |
| CN202733274U (en) * | 2012-06-11 | 2013-02-13 | 中航光电科技股份有限公司 | Floating connector assembly and floating female connector thereof |
| CN106270216A (en) * | 2016-10-11 | 2017-01-04 | 长沙荆华电子科技有限公司 | A kind of floating junction and apply the punch press of this floating junction |
| CN209746090U (en) * | 2019-03-06 | 2019-12-06 | 法特迪精密科技（苏州）有限公司 | Test socket for use in case of no stress on upper surface of chip |
| CN109834232A (en) * | 2019-03-28 | 2019-06-04 | 彰武永红机械制造有限公司 | A kind of floating connection mechanism for casing Fe-pressing machine |
| CN210565589U (en) * | 2019-05-30 | 2020-05-19 | 西安法士特汽车传动有限公司 | Floating positioning pin |
| WO2020259685A1 (en) * | 2019-06-26 | 2020-12-30 | 奥动新能源汽车科技有限公司 | Electrical connection plug, electrical connection device and electric vehicle |
| CN111600106A (en) * | 2020-06-17 | 2020-08-28 | 北京无线电测量研究所 | Waveguide coaxial converter |
Non-Patent Citations (1)
| Title |
|---|
| 张其林: "玻璃幕墙结构设计", 同济大学出版社, pages: 86 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114412901A (en) | Connecting device and connecting method for connecting two connecting objects | |
| JP2019510255A (en) | The camera module | |
| WO2020143462A1 (en) | Display device | |
| CN214274254U (en) | Prepressing type porous air bearing with non-uniformly distributed vacuum cavities | |
| US11217931B2 (en) | Socket of optical controller and waterproof sealing socket of optical controller | |
| JP2019091650A (en) | Assembly | |
| CN109333034B (en) | Gear box bearing assembling tool and assembling shaft clearance control method thereof | |
| CN205335115U (en) | Wall switch box | |
| CN220456028U (en) | Positioning structure, LED box and LED display screen | |
| CN218334737U (en) | Mounting structure | |
| US7608955B2 (en) | Motor | |
| CN218242106U (en) | Battery box and battery device | |
| CN117767092B (en) | Laser cavity structure for relieving machining stress and thread stress | |
| CN217462921U (en) | Roller bearing with sealing structure | |
| CN218867704U (en) | Assembled deformation type power distribution cabinet | |
| CN212318285U (en) | Gear pump using floating washer to adjust axial clearance | |
| CN213146279U (en) | Thin compact light source | |
| CN211719849U (en) | Embedded rotary fixed socket | |
| CN213245346U (en) | Sliding block | |
| CN219415196U (en) | Elastic supporting structure of desktop air purifier | |
| CN209818445U (en) | Diesel engine part | |
| CN212908259U (en) | Device for installing inner core of socket | |
| CN217643112U (en) | Brushless torque motor stator position adjustment structure for radar | |
| CN218787178U (en) | Gear variable speed booster pump | |
| CN213610258U (en) | Pre-deformation structure of filter cover plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220429 |