CN219975083U - Threaded joint for connecting misplacement parts - Google Patents
Threaded joint for connecting misplacement parts Download PDFInfo
- Publication number
- CN219975083U CN219975083U CN202321291699.2U CN202321291699U CN219975083U CN 219975083 U CN219975083 U CN 219975083U CN 202321291699 U CN202321291699 U CN 202321291699U CN 219975083 U CN219975083 U CN 219975083U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- head
- parts
- column
- male head
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a threaded joint for connecting misplaced parts, which solves the problem that in the prior art, two eccentrically arranged parts are difficult to rigidly and fixedly connect. In the utility model, the upper part of the male head is used for being in threaded connection with the first part, and the lower part of the female head is used for being in threaded connection with the second part; the lower part of the male head is eccentrically arranged relative to the upper part of the male head, and a plurality of limit parts are arranged on the cylindrical surface of the lower part of the male head; the lower parts of the female head and the male head are positioned on the same axis, the upper part of the female head is provided with a blind hole matched with the lower part of the male head at the axis, and a positioning threaded hole communicated with the blind hole is formed along the radial direction; when the lower part of the male head is inserted into the upper blind hole of the female head in place, the limiting part corresponds to the positioning threaded hole in height, and the female head and the male head are locked and fixed through the fixing screw and the positioning threaded hole in the limiting part, so that the male head and the male head can be used as an integral rigid connecting piece, and two eccentrically arranged parts can be simply and conveniently rigidly and fixedly connected.
Description
Technical Field
The utility model relates to a fixed connecting piece, in particular to a connecting piece for threaded connection with two dislocated parts respectively.
Background
In the field of machine manufacturing, during the connection of a part a and a part b, a situation in which the two parts are not coaxially connected (for example, misalignment occurs between the two parts) is sometimes encountered. In this regard, the conventional connection methods mainly include the following:
firstly, two components which are not coaxial are directly welded together, and the welding deformation problem of the connecting mode is difficult to solve; secondly, a connecting mode of a spring and a corrugated pipe is adopted, and the connecting mode has the advantages of complex structure, difficult part manufacturing, high cost and low fatigue resistance; and thirdly, a spherical hinge connection mode is adopted, the spherical surface of the connection mode is difficult to process, the requirement precision is strict, the manufacturing cost is high, the connection mode has no damping function, and the connection mode has certain limitation in use.
Patent document CN103982499a discloses a connection method and device for two cylindrical members when they are not coaxial, mainly adopting a connection mode of an elastic sleeve, respectively embedding connection pieces with threaded holes at two ends of the elastic sleeve, and realizing connection for the two cylindrical members when they are not coaxial by using elastic deformation of the elastic sleeve. The elastic sleeve connecting scheme is mainly suitable for damping and balancing external force in a vibration environment and slowly releasing the transmission load.
However, in many cases, the two parts are required to be fixed relatively rigidly, and it can be regarded as an integral part having a function such as fixing and mounting. Taking a hexagonal stud with threads at two ends as an example, the head of the stud is provided with a threaded hole (internal thread), and the end of the screw is provided with external threads for respectively connecting a first part and a second part in a threaded manner; if the parts a and b are arranged eccentrically (the axes of the two parts are parallel and there is a centre-to-centre distance) and the parts a and b are required to remain rigidly fixed after being connected in place, the prior art cannot simply meet this requirement.
If the connecting piece in a bending form is specially manufactured, the connecting piece is only suitable for connecting two parts in a specific dislocation direction, and the comprehensive cost is high.
Disclosure of Invention
The utility model provides a threaded joint for connecting misplaced parts, which can simply and fixedly connect two parallel misplaced parts and can adjust the misplaced direction in an adapting way.
In order to achieve the above object, the present utility model provides the following technical solutions:
a threaded joint for connecting misplacement parts comprises a male head, a female head and a fixing screw;
the male head consists of a first cylinder positioned at the upper part and a second cylinder positioned at the lower part, wherein the upper end of the first cylinder is provided with a threaded hole at the axis of the first cylinder; the axle center of the second column body deviates from the axle center of the first column body, and the second column body does not exceed the coverage area of the first column body in the radial direction; the cylindrical surface of the second column is provided with a plurality of limit parts along the circumferential direction at the same height;
the female head comprises a third column body positioned at the upper part and a fourth column body positioned at the lower part, and the fourth column body, the third column body and the second column body are positioned on the same axis; the cylindrical surface of the fourth cylinder is provided with external threads; the upper end of the third cylinder is provided with a blind hole matched with the second cylinder at the axis, and the cylindrical surface of the third cylinder is also provided with a positioning threaded hole communicated with the blind hole along the radial direction;
when the second cylinder is inserted into the blind hole in place, the limiting parts at the positions are exactly corresponding to the positioning threaded holes in height, and the female head and the male head are locked and fixed through the fixing screws and the positioning threaded holes at the limiting parts.
Optionally, the first column is a regular hexagonal column.
Optionally, the number of the positioning threaded holes is 2 or 3, and the positioning threaded holes are uniformly distributed along the circumferential direction of the third cylinder.
The second column may be a cylinder, and correspondingly, the blind hole at the upper end of the third column is a cylinder hole.
The plurality of limiting parts can be specifically: a circle of V-shaped grooves are formed along the circumferential direction. At the moment, the fixing screw is used as a jackscrew to tightly prop against the bottom of the V-shaped groove through the positioning threaded hole so as to realize locking and fixing of the female head and the male head.
Further alternatively, the circle of V-shaped grooves is specifically a V-shaped groove completely continuous in the circumferential direction of the second cylinder, or is a plurality of V-shaped grooves distributed at equal intervals.
The plurality of limiting parts can be a plurality of frustum-shaped blind holes which are distributed at equal intervals.
The second column body can also be a prism, and correspondingly, the blind hole at the upper end of the third column body is a prism hole. The limiting part can be specifically: and a limiting hole is respectively formed in each prismatic surface, and when any prismatic surface faces the positioning threaded hole, the limiting hole in the prismatic surface is just aligned with the positioning threaded hole. At this time, the fixing screw is mainly used as a blocking piece to realize locking and fixing of the female head and the male head at the positions of the positioning threaded hole and the limiting hole.
Further alternatively, the limiting hole is in the form of a blind hole. Like this, set screw not only is as the card fender piece, also is as the tight spacing hole bottom of jackscrew top simultaneously in order to realize female head and public head locking fixed.
Optionally, a circle of tool retracting groove is further arranged between the external thread of the fourth cylinder and the third cylinder.
Compared with the prior art, the utility model has at least the following beneficial effects:
1. in the utility model, the upper part of the male head is used for being in threaded connection with the first part, and the lower part of the female head is used for being in threaded connection with the second part; the lower part of the male head is eccentrically arranged relative to the upper part of the male head, and a plurality of limit parts are arranged on the cylindrical surface of the lower part of the male head; the lower parts of the female head and the male head are positioned on the same axis, the upper part of the female head is provided with a blind hole matched with the lower part of the male head at the axis, and a positioning threaded hole communicated with the blind hole is formed along the radial direction; when the lower part of the male head is inserted into the upper blind hole of the female head, the limiting part corresponds to the positioning threaded hole in height, the female head and the male head are locked and fixed through the positioning threaded hole in the limiting part by a fixing screw, so that the male head and the male head can be used as an integral rigid connecting piece, two parallel misplaced parts can be simply and conveniently rigidly and fixedly connected, and the positions of the limiting parts are adjustable relative to the positions of the positioning threaded holes, so that the misplacement direction (eccentric position) of the first part and the second part is adaptive and adjustable.
2. The connection of two parts with different center distance requirements can be adapted by selecting and matching the male head and the female head with different specifications, namely, adjusting the center distance between the upper part of the male head and the female head. Of course, the axial length specification can also be selected as desired.
Drawings
In order to more intuitively illustrate the prior art and the utility model, exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings are not generally considered limiting conditions in carrying out the utility model; for example, those skilled in the art will be able to make routine adjustments or further optimizations for the addition/subtraction/attribution division, specific shapes, positional relationships, connection modes, dimensional proportion relationships, and the like of certain units (components) based on the technical concepts and the exemplary drawings disclosed in the present utility model.
FIG. 1 is a schematic view (front view) of a threaded joint for connection of offset parts according to one embodiment of the present utility model;
FIG. 2 is a cross-sectional view of the embodiment of FIG. 1 at A-A;
FIG. 3 is an isometric view of the embodiment of FIG. 1;
fig. 4 is an exploded view of the embodiment shown in fig. 1.
Reference numerals illustrate:
1. a male; 101. a first column; 1011. a threaded hole; 102. a second column; 1021. a V-shaped groove;
2. a female head; 201. a third column; 2011. a blind hole; 2012. positioning the threaded hole; 202. a fourth column; 2021. an external thread; 2022. a tool retracting groove;
3. and (5) fixing the screw.
Detailed Description
The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.
In the description of the present utility model: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present utility model are also considered as the scope of the present utility model.
In one embodiment, as shown in fig. 1 to 4, a threaded joint for connecting dislocated parts comprises a male head 1, a female head 2 and a set screw 3.
The male 1 consists of a first cylinder 101 positioned at the upper part and a second cylinder 102 positioned at the lower part, wherein the upper end of the first cylinder 101 is provided with a threaded hole 1011 at the axle center; the axis of the second column 102 deviates from the axis of the first column 101, and in the radial direction, the second column 102 does not exceed the coverage area of the first column 101; the cylindrical surface of the second column 102 is provided with a plurality of limit parts.
The female head 2 comprises a third column 201 positioned at the upper part and a fourth column 202 positioned at the lower part, and the fourth column 202, the third column 201 and the second column 102 are positioned on the same axis; wherein the cylindrical surface of the fourth cylinder 202 has an external thread 2021; the upper end of the third cylinder 201 is provided with a blind hole 2011 matched with the second cylinder 102 at the axis of the third cylinder 201, and the cylindrical surface of the third cylinder 201 is also provided with a positioning threaded hole 2012 communicated with the blind hole 2011 along the radial direction. A clearance 2022 may be provided between the external thread 2021 of the fourth cylinder 202 and the third cylinder 201.
When the second cylinder 102 is inserted into the blind hole 2011, the plurality of limiting portions and the positioning threaded hole 2012 are exactly corresponding (flush) in height, and the female head 2 and the male head 1 are locked and fixed by the fixing screw 3 through the positioning threaded hole 2012 at the limiting portions. Thus, the male head 1 and the female head 2 are combined into a whole rigid connecting piece, the upper part of the male head is used for being in threaded connection with the first part, the lower part of the female head is used for being in threaded connection with the second part (the axial line of the female head is parallel to the axial line of the first part), and the two eccentrically arranged parts can be simply and rigidly and fixedly connected.
The first cylinder 101 here is a regular hexagonal cylinder, i.e. the present embodiment can be regarded as a modification based on a hexagonal stud.
In order to further improve the fastening effect of the male head 1 and the female head 2, two or three positioning threaded holes 2012 can be formed, and each positioning threaded hole is provided with a fixing screw 3; as shown in fig. 2 and 4, the two positioning screw holes 2012 are symmetrically arranged; if three positioning threaded holes are formed, the three positioning threaded holes are distributed at intervals of 120 degrees along the circumferential direction.
The second cylinder 102 may be a cylinder, and correspondingly, the blind hole 2011 at the upper end of the third cylinder 201 is a cylindrical hole, as shown in fig. 4. The plurality of limiting parts can be specifically: a circle of V-shaped grooves are formed along the circumferential direction. At this time, the fixing screw 3 is used as a jackscrew to jack the bottom of the V-shaped groove through the positioning threaded hole 2012 so as to realize locking and fixing of the female head 2 and the male head 1.
The V-shaped groove 1021 of fig. 4 is a V-shaped groove 1021 entirely continuous in the circumferential direction of the second cylinder 102, which can be adapted to any eccentric orientation adjustment and locking. Of course, a plurality of V-shaped grooves may be provided equidistantly spaced apart, which corresponds to a limited number of eccentric orientations being set.
The V-shape, which is the general shape of the groove in the axial section, is intended to further enhance the tightening effect of the screw.
In addition to the cylindrical shape of the second column shown in fig. 4, the second column 102 may also be a prism, and correspondingly, the blind hole 2011 at the upper end of the third column 201 is a prism hole. The limiting part can be specifically: a limiting hole is respectively formed in each prismatic surface, and when any prismatic surface faces the positioning threaded hole 2012, the limiting hole in the prismatic surface is just aligned with the positioning threaded hole 2012, so that limited eccentric orientations are set. At this time, the fixing screw 3 is mainly used as a blocking piece to realize locking and fixing of the female head 2 and the male head 1 at the positioning threaded hole 2012 and the limiting hole. The limiting hole can be a through hole or a blind hole. And when this spacing hole is the blind hole, still can also adopt the V type further, like this, set screw not only is as the card fender piece, also is as the tight spacing hole bottom of jackscrew top in order to realize female head 2 and public head 1 locking fixed simultaneously.
In the above embodiment, since the position of the limiting part relative to the positioning threaded hole is adjustable, the eccentric positions of the first part and the second part are adjustable (suitable for rigid fixed connection under different eccentric positions).
In addition, through selecting the male head and the female head of different specifications, namely adjusting the center distance between the upper part of the male head and the female head, the connection of two parts with different center distance requirements can be adapted. Of course, the axial length specification can also be selected as desired.
When the screw is specifically used, the female head 2 and the first part can be fixed, the eccentric position can be adjusted by rotating the male head 1, the male head 1 and the second part can be fixed, and finally the male head 1 and the female head 2 can be fixed through the fixing screw 3. The threaded holes at the upper part of the male head 1 can also be matched with different specifications to adapt to different parts.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
Claims (6)
1. The threaded joint for connecting misplaced parts is characterized by comprising a male head (1), a female head (2) and a fixing screw;
the male head (1) consists of a first column body (101) positioned at the upper part and a cylindrical second column body (102) positioned at the lower part, wherein a threaded hole (1011) is formed at the axial center of the upper end of the first column body (101); the axis of the second column (102) deviates from the axis of the first column (101), and the second column (102) does not exceed the coverage area of the first column (101) in the radial direction; the cylindrical surface of the second column (102) is provided with a plurality of limit parts along the circumferential direction at the same height;
the female head (2) comprises a third column body (201) positioned at the upper part and a fourth column body (202) positioned at the lower part, and the fourth column body (202), the third column body (201) and the second column body (102) are positioned on the same axis; wherein the cylindrical surface of the fourth cylinder (202) is provided with external threads (2021); the upper end of the third cylinder (201) is provided with a blind hole (2011) matched with the second cylinder (102) at the axis of the third cylinder, and the cylindrical surface of the third cylinder (201) is also provided with a positioning threaded hole (2012) communicated with the blind hole (2011) along the radial direction;
when the second cylinder (102) is inserted into the blind hole (2011) in place, the limiting parts at the positions are corresponding to the positioning threaded holes (2012) in height, and the female head (2) and the male head (1) are locked and fixed through the fixing screws and the positioning threaded holes (2012) at the limiting parts.
2. Threaded joint for connection of offset parts according to claim 1, characterized in that the first cylinder (101) is a regular hexagonal cylinder.
3. The threaded joint for connection of offset parts according to claim 1, characterized in that the number of said locating threaded holes (2012) is 2 or 3 in total, distributed uniformly along the circumference of the third cylinder (201).
4. The threaded joint for connection of offset parts according to claim 1, wherein the plurality of limiting portions are a complete continuous V-shaped groove (1021).
5. The threaded joint for connecting misplaced parts according to claim 1, wherein the plurality of limiting portions are a plurality of frustum-shaped blind holes equidistantly spaced.
6. The threaded joint for connecting offset parts according to claim 1, characterized in that a ring of clearance grooves (2022) is further provided between the external thread (2021) of the fourth cylinder (202) and the third cylinder (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321291699.2U CN219975083U (en) | 2023-05-25 | 2023-05-25 | Threaded joint for connecting misplacement parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321291699.2U CN219975083U (en) | 2023-05-25 | 2023-05-25 | Threaded joint for connecting misplacement parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975083U true CN219975083U (en) | 2023-11-07 |
Family
ID=88592454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321291699.2U Active CN219975083U (en) | 2023-05-25 | 2023-05-25 | Threaded joint for connecting misplacement parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975083U (en) |
-
2023
- 2023-05-25 CN CN202321291699.2U patent/CN219975083U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7806391B2 (en) | Self-indexing spacer for air spring assembly | |
| US10316888B2 (en) | Mounting fixture including an articulation joint | |
| US20120269596A1 (en) | Adjustment bolt for adjusting camber angle | |
| US20160272026A1 (en) | Ring link assembly | |
| CN219975083U (en) | Threaded joint for connecting misplacement parts | |
| EP3677821B1 (en) | Adjustable clamp systems and methods | |
| CA1327127C (en) | Versatile mounting for bearing cups of universal joints | |
| CN116428256A (en) | Eccentric adaptation's double-end threaded connection spare | |
| US20150056033A1 (en) | Universal offset portable boring bar support system | |
| CN210082855U (en) | Torsion beam suspension and vehicle | |
| CN210360319U (en) | Positioning tool for machining key groove of cam shaft gear | |
| CN110285119B (en) | Connecting rod assembly with variable length and capable of being bent | |
| US20040258468A1 (en) | Fastening device and method for attaching an object to a support structure | |
| CN113909340A (en) | Cylinder roundness correction tool | |
| CN219944636U (en) | Tooling mandrel for turning high-voltage lightning arrester tank body | |
| CN204161451U (en) | Steering track rod and there is its vehicle | |
| CN111451969B (en) | Annular centripetal clamp with shape self-adaptive capacity | |
| CN219262923U (en) | Bolt | |
| CN216241736U (en) | Connecting piece and location connection structure | |
| CN211940660U (en) | Socket wrench head and tightening tool with same | |
| CN219094398U (en) | Special auxiliary fixture for numerical control milling machine machining center | |
| CN218926784U (en) | Coaxial assembly tool | |
| CN113474471B (en) | Flexible clamping device | |
| CN219197852U (en) | Reaming hole bolt | |
| CN212351789U (en) | Sleeve of pre-screwing bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |