CN204591916U - A kind of check pin - Google Patents
A kind of check pin Download PDFInfo
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- CN204591916U CN204591916U CN201520069518.0U CN201520069518U CN204591916U CN 204591916 U CN204591916 U CN 204591916U CN 201520069518 U CN201520069518 U CN 201520069518U CN 204591916 U CN204591916 U CN 204591916U
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Abstract
The utility model relates to gas turbine technology field, discloses a kind of check pin.This check pin comprises: the first link, the second link, the first pin and nut; Through hole is provided with in described second link, one end of described first pin is arranged in described through hole through described first link, the other end is connected with described nut, described first pin is connected with described first link and the second link respectively, described first pin is provided with the annular groove with described second link clamping.In the check pin that the utility model provides, the first pin is connected with the first link and the second link respectively, uses in the second inaccessible situation in link lower end, simultaneously with locking, fastening and positioning action, saves installing space; There is the easy to use and simple advantage of structure.
Description
Technical field
The utility model relates to gas turbine technology field, particularly relates to a kind of check pin, particularly a kind of can locking and can be applied in tight space and accessibility difference place check pin.
Background technique
The link linkage structure that a large amount of needs are fastening and locate is there is in mechanical design field, as shown in Figure 1, comparatively general location and the mode that is fastenedly connected are now at present, location and fasteningly adopt the second pin 5 and fastening piece respectively, namely adopt straight pin or taper pin to position, adopt the fastening piece such as screw or stud to carry out fastening.
For needs fastening connection piece both direction, accessibility is good, can adopt band cylinder, the stud of Cone fit section carries out fastening and location.Adopt location and fastening when separately designing, the more and shared bulk of link number comparatively greatly, cannot be applied to compact design; When coordinating the double end post of section to carry out fastening and location for band, then require that the upper and lower end face of fastened link all has good accessibility and just can apply.
In view of the defect of above-mentioned prior art, need to provide a kind of can be locking and the check pin at tight space and accessibility difference place can be applied in.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model be existing check pin for needs fastening connection piece both direction, accessibility is good, can adopt band cylinder, the stud of Cone fit section carries out fastening and location.Adopt location and fastening when separately designing, the more and shared bulk of link number comparatively greatly, cannot be applied to compact design; When coordinating the double end post of section to carry out fastening and location for band, then require that the upper and lower end face of fastened link all has good accessibility just adaptable problem.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of check pin.This check pin comprises: the first link, the second link, the first pin and nut; Through hole is provided with in described second link, one end of described first pin is arranged in described through hole through described first link, the other end is connected with described nut, described first pin is connected with described first link and the second link respectively, described first pin is provided with the annular groove with described through hole clamping.
Wherein, described first pin is respectively arranged with the first thread section and the second thread section, described first pin is threaded with described first link by described first thread section, and described first pin is connected with described second link by described second thread section.
Wherein, described first pin is provided with the cooperation section be connected with described first link or the second link, described cooperation section is arranged between described first thread section and described second thread section.
Wherein, described cooperation section comprise be connected with described first link first coordinate section, and be connected with described second link second coordinates section, and described annular groove is arranged at described first and coordinates section with between described second section of cooperation.
Wherein, described through hole is stepped, and described through hole comprises the step surface with described annular groove clamping.
Wherein, the material of described first pin is stainless steel.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: be provided with through hole in the second link in the check pin that the utility model provides, one end of first pin is arranged in through hole through the first link, the other end is connected with nut, first pin is connected with the first link and the second link respectively, the first pin is provided with the annular groove with the second link clamping.In the check pin that the utility model provides, the first pin is connected with the first link and the second link respectively, uses in the second inaccessible situation in link lower end, simultaneously with locking, fastening and positioning action, saves installing space; There is the easy to use and simple advantage of structure.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model background technique check pin;
Fig. 2 is the schematic diagram of the utility model embodiment check pin;
Fig. 3 is the structural representation of the first pin in the utility model embodiment check pin;
Fig. 4 is the structural representation of the second link in the utility model embodiment check pin.
In figure: 1: the first link; 2: the second links; 2a: counterbore; 2b: pin-and-hole; 2ab: step surface; 2c: screw thread; 3: the first pins; 2ab: step; 4: nut; 3a: the first thread section; 3b: the first coordinates section; 3c: annular groove; 3d: the second coordinates section; 3e: the second thread section; 5: the second pins.
Embodiment
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the machine of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figures 2 to 4, the check pin that the utility model embodiment provides comprises: the first link 1, second link 2, first pin 3 and nut 4; Through hole is provided with in described second link 2, one end of described first pin 3 is arranged in described through hole through described first link 1, the other end is connected with described nut 4, described first pin 3 is connected with described first link 1 and the second link 2 respectively, described first pin 3 is provided with the annular groove 3c with the through hole clamping of described second link 2.In the check pin that the utility model provides, the first pin 3 is connected with the first link 1 and the second link 2 respectively, the through hole clamping of annular groove 3c and the second link 2.Use in the second inaccessible situation in link 2 lower end, simultaneously with locking, fastening and positioning action, save installing space; There is the easy to use and simple advantage of structure.
Through hole described in the present embodiment is stepped, and described through hole comprises counterbore 2a and pin-and-hole 2b, and pin-and-hole 2b offers the bottom being placed in counterbore 2a, and the junction surface of counterbore 2a and pin-and-hole 2b is step surface 2ab, step surface 2ab and described annular groove 3c clamping.In the present embodiment, step surface 2ab is by rushing riveting, and the distortion of generation, by clamping first pin 3, prevents the first pin 3 from getting loose.
First pin 3 described in the check pin that the utility model provides is respectively arranged with the first thread section 3a and the second thread section 3e, described first pin 3 is threaded with described first link 1 by described first thread section 3a, and described first pin 3 is connected with described second link 2 by described second thread section 3e.
In order to make anti-loosing effect good, be provided with cooperation section in the utility model on the first pin 3, described cooperation section is arranged between described first thread section 3a and described second thread section 3e.The section of cooperation described in the present embodiment comprises the first cooperation section 3b and second and coordinates section 3d, described first coordinates section 3b to be connected with described first link 1, described second coordinates section 3d to be connected with described second link 2, and described annular groove 3c is arranged at described first and coordinates section 3b with between described second section of cooperation 3d.Wherein, the material of described first pin 3 is stainless steel.
The utility model check pin is in using process: the first pin 3 is threaded connection in screw-in second link 2, and first coordinates section 3b and the first link to be connected, and second coordinates section 3d and the second link 2 to be connected.Riveting is rushed at the step surface 2ab place of the second link 2; The distortion of rushing riveting generation will clamp pin 3, prevent pin 3 from getting loose.Due to the existence of counterbore 2a, the cooperation plane be unlikely between outstanding first link 1 and the second link 2 is out of shape in the riveting of rushing at 2ab place, ensures fitting surface quality, saves installing space.
In sum, the utility model has the following advantages: be provided with through hole in the second link in the check pin that the utility model provides, one end of first pin is arranged in through hole through the first link, the other end is connected with nut, first pin is connected with the first link and the second link respectively, the first pin is provided with the annular groove with the second link clamping.In the check pin that the utility model provides, the first pin is connected with the first link and the second link respectively, uses in the second inaccessible situation in link lower end, simultaneously with locking, fastening and positioning action, saves installing space; There is the easy to use and simple advantage of structure.
Further, in order to make anti-loosing effect good, on the first pin, the cooperation section be connected with the first link and the second link respectively in the utility model, is provided with.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (6)
1. a check pin, comprising: the first link (1), the second link (2), the first pin (3) and nut (4); Through hole is provided with in described second link (2), one end of described first pin (3) is arranged in described through hole through described first link (1), the other end is connected with described nut (4), described first pin (3) is connected with described first link (1) and the second link (2) respectively, described first pin (3) is provided with the annular groove (3c) with described through hole clamping.
2. check pin according to claim 1, it is characterized in that: described first pin (3) is respectively arranged with the first thread section (3a) and the second thread section (3e), described first pin (3) is threaded with described first link (1) by described first thread section (3a), and described first pin (3) is connected with described second link (2) by described second thread section (3e).
3. check pin according to claim 2, is characterized in that: described first pin (3) is provided with cooperation section, and described cooperation section is arranged between described first thread section (3a) and described second thread section (3e).
4. check pin according to claim 3, it is characterized in that: described cooperation section comprise be connected with described first link (1) first coordinate section (3b), and to be connected with described second link (2) second coordinates section (3d), described annular groove (3c) is arranged at described first and coordinates section (3b) with between described second section of cooperation (3d).
5. check pin according to claim 1, is characterized in that: described through hole is stepped, and described through hole comprises the step surface (2ab) with described annular groove (3c) clamping.
6. check pin according to claim 1, is characterized in that: the material of described first pin (3) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520069518.0U CN204591916U (en) | 2015-01-30 | 2015-01-30 | A kind of check pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520069518.0U CN204591916U (en) | 2015-01-30 | 2015-01-30 | A kind of check pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591916U true CN204591916U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520069518.0U Active CN204591916U (en) | 2015-01-30 | 2015-01-30 | A kind of check pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026943A (en) * | 2018-10-09 | 2018-12-18 | 泰歌（厦门）展览展示有限公司 | A kind of pin buckle assembling structure |
-
2015
- 2015-01-30 CN CN201520069518.0U patent/CN204591916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026943A (en) * | 2018-10-09 | 2018-12-18 | 泰歌（厦门）展览展示有限公司 | A kind of pin buckle assembling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Locking pin Effective date of registration: 20161104 Granted publication date: 20150826 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191211 Granted publication date: 20150826 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |