CN209586893U - A kind of screw in compression positioning pin - Google Patents
A kind of screw in compression positioning pin Download PDFInfo
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- CN209586893U CN209586893U CN201821555000.8U CN201821555000U CN209586893U CN 209586893 U CN209586893 U CN 209586893U CN 201821555000 U CN201821555000 U CN 201821555000U CN 209586893 U CN209586893 U CN 209586893U
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Abstract
The utility model discloses a kind of screw in compression positioning pins, are used cooperatively with the locating element for being provided with pin hole, for the fixation to retaining element;Including the dowel body being mounted in pin hole and bolt, the dowel body is cylindrical body and its axial direction is provided with smooth surface through-hole;The bolt includes nut and the screw rod that connect with nut, and the diameter of smooth surface through-hole is greater than between the nut, and the screw rod is greater than the length of dowel body along the length of its axis direction;The screw rod is mounted in smooth surface through-hole.The beneficial effects of the utility model are: the utility model can effectively avoid dowel body when in a horizontal state, because of the case where popping up dowel body from pin hole after multiple microvibration accumulation;Bolt in the utility model is not subject to resist the shearing force for being displaced and generated by locating element by dowel body, to effectively avoid due to the case where shearing force process produces fracture appearance;The utility model structure is simple, easy to manufacture.
Description
Technical field
It is a kind of screw in compression positioning pin specifically the utility model relates to be machined accessory technical field.
Background technique
If positioning pin is in a vertical state at work, due to the effect of gravity, it is fixed that small external force is difficult to make
Position pin generates upward displacement.And in some cases, when processing part such as turnover panel horizontal machine tool, water is in when positioning pin works
Level state, in some instances it may even be possible to tilt down, at this time if there is small external force or vibration so that positioning pin generate horizontal displacement, and
The direction of displacement is is that positioning pin leaves by locating element, and after the long period is tired, positioning pin can be popped up from by locating element, be led
Positioning failure is caused, causes the various problems such as part displacement, in actual production, similar situation happens occasionally.It is such to solve
Problem, as shown in Fig. 2, once having scheme proposition to use increases screw 5 in positioning pin bottom to realize that positioning is synchronous with locking, but this
Scheme is very high to the accuracy of manufacture requirement of screw thread, often occurs having received positioning or junction because of part displacement in practical applications
The case where big shearing force produces fracture.
Utility model content
The purpose of this utility model is to provide a kind of screw in compression positioning pin, it is not subject to be resisted by dowel body and is determined
The shearing force of position part displacement and generation, to effectively avoid due to the case where shearing force process produces fracture appearance;This reality
It is simple with new structure, it is easy to manufacture.
The utility model is achieved through the following technical solutions:
A kind of screw in compression positioning pin is used cooperatively, for consolidating to retaining element with the locating element for being provided with pin hole
It is fixed;Including the dowel body being mounted in pin hole and bolt, the dowel body is cylindrical body and is provided with along its axial direction
Smooth surface through-hole;The bolt includes nut and the screw rod that connect with nut, and the diameter of smooth surface through-hole is greater than between the nut,
The screw rod is greater than the length of dowel body along the length of its axis direction;The screw rod is mounted in smooth surface through-hole.
Further, it in order to preferably realize the utility model, is provided on the retaining element and is used cooperatively with screw rod
Threaded hole.
Further, it in order to preferably realize the utility model, is additionally provided on the retaining element and dowel body
The A pin hole being used cooperatively, it is in the same size with pin hole and coaxial with threaded hole between the A pin hole.
Further, in order to preferably realize the utility model, the dowel body and pin hole clearance fit.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model can effectively avoid dowel body when in a horizontal state, because of multiple microvibration product
The case where popping up dowel body from pin hole after tired;
(2) bolt in the utility model is not subject to resist the shearing for being displaced and generated by locating element by dowel body
Power, to effectively avoid due to the case where shearing force process produces fracture appearance;
(3) the utility model structure is simple, easy to manufacture.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model;
Fig. 2 is positioning compression device in the prior art.
Wherein 1- bolt, 11- nut, 12- screw rod, 2- dowel body, 3- locating element, 4- retaining element, 5- enhancing
Screw.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1:
The utility model is achieved through the following technical solutions, as shown in Figure 1, a kind of screw in compression positioning pin, and is provided with
The locating element 3 of pin hole is used cooperatively, for the fixation to retaining element 4;Including 2 He of dowel body being mounted in pin hole
Bolt 1, the dowel body 2 are cylindrical body and its axial direction are provided with smooth surface through-hole;The bolt 1 include nut 11 and with
The screw rod 12 that nut 11 connects is greater than the diameter of smooth surface through-hole between the nut 11, and the screw rod 12 is along its axis direction
Length be greater than dowel body 2 length;The screw rod 12 is mounted in smooth surface through-hole.
It should be noted that the bolt 1 is routine M bolt 1 by above-mentioned improvement;It is provided on the locating element 3
The smooth surface through-hole that axis is overlapped with positioning pin axis.
12 section diameter of screw rod of bolt 1 is less than the positioning pin through-hole diameter, 11 section diameter of nut of the screw
Greater than the smooth surface through-hole diameter of the dowel body 2,12 partial-length of screw rod is greater than 2 length of dowel body, bolt 1 and tool
There is the retaining element 4 of the threaded hole of same diameter to be connected through a screw thread.
Realize positioning in use, first dowel body 2 is inserted among pin hole, then bolt 1 tightened, so as to avoid
Dowel body 2 is when in a horizontal state, because of the feelings for popping up dowel body 2 from pin hole after multiple microvibration accumulation
Condition.And it is low compared to other scheme manufacturing costs, bolt 1 be not subject to be resisted by dowel body 2 be displaced by locating element 3 and
The shearing force of generation.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 2:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, further, in order to more preferable
Realization the utility model, be provided with the threaded hole being used cooperatively with screw rod 12 on the retaining element 4.
Further, it in order to preferably realize the utility model, is additionally provided on the retaining element 4 and dowel body
The 2 A pin holes being used cooperatively, it is in the same size with pin hole and coaxial with threaded hole between the A pin hole.
Further, in order to preferably realize the utility model, the dowel body 2 and pin hole clearance fit.
It should be noted that the insertion of dowel body 2 is formed gap in the pin hole of locating element 3 by above-mentioned improvement
Cooperation, the bolt 1 can pass through the smooth surface through-hole in the dowel body 2, be inserted into the threaded hole of retaining element 4, shape
At threaded connection.
Dowel body 2 sequentially passes through the pin hole and A pin hole of coaxial arrangement;It is mounted in 2 smooth surface through-hole of dowel body
12 pipe of screw rod cross A pin hole and be threadedly coupled with threaded hole.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, a kind of screw in compression positions
Pin, is used cooperatively, for the fixation to retaining element 4 with the locating element 3 for being provided with pin hole;Determine including being mounted in pin hole
Position pin ontology 2 and bolt 1, the dowel body 2 are cylindrical body and its axial direction are provided with smooth surface through-hole;The bolt 1 wraps
Nut 11 and the screw rod connecting with nut 11 12 are included, the diameter of smooth surface through-hole, the screw rod 12 are greater than between the nut 11
It is greater than the length of dowel body 2 along the length of its axis direction;The screw rod 12 is mounted in smooth surface through-hole.
Further, in order to preferably realize the utility model, being provided on the retaining element 4 makes with the cooperation of screw rod 12
Threaded hole.
Further, it in order to preferably realize the utility model, is additionally provided on the retaining element 4 and dowel body
The 2 A pin holes being used cooperatively, it is in the same size with pin hole and coaxial with threaded hole between the A pin hole.
Further, in order to preferably realize the utility model, the dowel body 2 and pin hole clearance fit.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (3)
1. a kind of screw in compression positioning pin is used cooperatively with the locating element for being provided with pin hole, for consolidating to retaining element (4)
It is fixed;It is characterized by comprising the dowel body being mounted in pin hole (2) and bolt (1), the dowel body (2) is circle
Cylinder and its axial direction is provided with smooth surface through-hole;The bolt (1) includes nut (11) and the screw rod that connect with nut (11)
(12), the diameter of smooth surface through-hole is greater than between the nut (11), the screw rod (12) is greater than along the length of its axis direction
The length of dowel body (2);The screw rod (12) is mounted in smooth surface through-hole;The dowel body (2) and pin hole gap
Cooperation.
2. a kind of screw in compression positioning pin according to claim 1, it is characterised in that: be provided on the retaining element with
The threaded hole that screw rod (12) is used cooperatively.
3. a kind of screw in compression positioning pin according to claim 2, it is characterised in that: also set on the retaining element (4)
It is equipped with the A pin hole being used cooperatively with dowel body (2), it is in the same size with pin hole and same with threaded hole between the A pin hole
Axis.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821555000.8U CN209586893U (en) | 2018-09-25 | 2018-09-25 | A kind of screw in compression positioning pin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821555000.8U CN209586893U (en) | 2018-09-25 | 2018-09-25 | A kind of screw in compression positioning pin |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209586893U true CN209586893U (en) | 2019-11-05 |
Family
ID=68373131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821555000.8U Active CN209586893U (en) | 2018-09-25 | 2018-09-25 | A kind of screw in compression positioning pin |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209586893U (en) |
-
2018
- 2018-09-25 CN CN201821555000.8U patent/CN209586893U/en active Active
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