CN204591916U - A kind of check pin - Google Patents
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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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- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000013011 mating Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
本实用新型涉及燃气轮机技术领域，公开了一种防松销钉。该防松销钉包括：第一连接件、第二连接件、第一销钉及螺母；所述第二连接件内设置有通孔，所述第一销钉的一端穿过所述第一连接件设置于所述通孔内，另一端与所述螺母连接，所述第一销钉分别与所述第一连接件及第二连接件连接，所述第一销钉上设置有与所述第二连接件卡接的环槽。本实用新型提供的防松销钉中第一销钉分别与第一连接件及第二连接件连接，在第二连接件下端不可达的情况下使用，同时带有防松、紧固和定位作用，节省安装空间；具有使用方便及结构简单的优点。
The utility model relates to the technical field of gas turbines and discloses an anti-loosening pin. The locking pin includes: a first connecting piece, a second connecting piece, a first pin and a nut; a through hole is arranged in the second connecting piece, and one end of the first pin passes through the first connecting piece. In the through hole, the other end is connected with the nut, the first pin is respectively connected with the first connector and the second connector, and the first pin is provided with a Snap ring groove. Among the anti-loosening pins provided by the utility model, the first pins are respectively connected with the first connecting piece and the second connecting piece, and are used when the lower end of the second connecting piece is not accessible, and at the same time have functions of anti-loosening, fastening and positioning. It saves installation space; it has the advantages of convenient use and simple structure.
Description
技术领域technical field
本实用新型涉及燃气轮机技术领域，尤其涉及一种防松销钉，具体的是一种能够防松且能够应用在紧凑空间和可达性差处的防松销钉。The utility model relates to the technical field of gas turbines, in particular to an anti-loosening pin, in particular to an anti-loosening pin which can be used in compact spaces and places with poor accessibility.
背景技术Background technique
在机械设计领域存在大量的需要紧固和定位的连接件连接结构，如图1所示，目前现在较为通用的定位和紧固连接方式为，定位和紧固分别采用第二销钉5和紧固件，即采用圆柱销或锥销进行定位，采用螺钉或双头螺柱等紧固件进行紧固。In the field of mechanical design, there are a large number of connection structures of connectors that need to be fastened and positioned. As shown in Figure 1, the current common positioning and fastening connection method is that the positioning and fastening use the second pin 5 and the fastening pin respectively. The parts are positioned by cylindrical pins or taper pins, and fastened by fasteners such as screws or double-ended studs.
对于需要紧固连接件两个方向，可达性较好的，可以采用带圆柱、圆锥配合段的双头螺柱进行紧固和定位。采用定位和紧固分开设计时，连接件数目较多且所占用的空间尺寸较大，无法应用于紧凑型设计；对于带配合段的双头柱进行紧固和定位时，则要求被紧固连接件的上下端面均具有良好的可达性才可以应用。For those that need to fasten the two directions of the connecting piece and have good accessibility, the double-ended studs with cylindrical and conical fitting sections can be used for fastening and positioning. When the positioning and fastening are separately designed, the number of connecting parts is large and the space occupied is large, which cannot be applied to a compact design; when fastening and positioning a double-headed column with a mating section, it is required to be fastened It can be used only when the upper and lower end faces of the connector have good accessibility.
鉴于上述现有技术的缺陷，需要提供一种能够防松且能够应用在紧凑空间和可达性差处的防松销钉。In view of the above-mentioned defects in the prior art, it is necessary to provide an anti-loosening pin that can be used in tight spaces and places with poor accessibility.
实用新型内容Utility model content
(一)要解决的技术问题(1) Technical problems to be solved
本实用新型要解决的技术问题是现有的防松销钉对于需要紧固连接件两个方向，可达性较好的，可以采用带圆柱、圆锥配合段的双头螺柱进行紧固和定位。采用定位和紧固分开设计时，连接件数目较多且所占用的空间尺寸较大，无法应用于紧凑型设计；对于带配合段的双头柱进行紧固和定位时，则要求被紧固连接件的上下端面均具有良好的可达性才可以应用的问题。The technical problem to be solved by the utility model is that the existing anti-loosening pins need to fasten the two directions of the connecting parts, and the accessibility is better, and the double-headed studs with cylindrical and conical fitting sections can be used for fastening and positioning . When the positioning and fastening are separately designed, the number of connecting parts is large and the space occupied is large, which cannot be applied to a compact design; when fastening and positioning a double-headed column with a mating section, it is required to be fastened The upper and lower end faces of the connector have good accessibility before it can be applied.
(二)技术方案(2) Technical solutions
为了解决上述技术问题，本实用新型提供了一种防松销钉。该防松销钉包括：第一连接件、第二连接件、第一销钉及螺母；所述第二连接件内设置有通孔，所述第一销钉的一端穿过所述第一连接件设置于所述通孔内，另一端与所述螺母连接，所述第一销钉分别与所述第一连接件及第二连接件连接，所述第一销钉上设置有与所述通孔卡接的环槽。In order to solve the above technical problems, the utility model provides an anti-loosening pin. The locking pin includes: a first connecting piece, a second connecting piece, a first pin and a nut; a through hole is arranged in the second connecting piece, and one end of the first pin passes through the first connecting piece. In the through hole, the other end is connected to the nut, the first pin is respectively connected to the first connector and the second connector, and the first pin is provided with a ring groove.
其中，所述第一销钉上分别设置有第一螺纹段及第二螺纹段，所述第一销钉通过所述第一螺纹段与所述第一连接件螺纹连接，所述第一销钉通过所述第二螺纹段与所述第二连接件连接。Wherein, the first pin is respectively provided with a first threaded segment and a second threaded segment, the first pin is threadedly connected with the first connector through the first threaded segment, and the first pin is threaded through the first threaded segment. The second threaded segment is connected with the second connecting piece.
其中，所述第一销钉上设置有与所述第一连接件或第二连接件连接的配合段，所述配合段设置于所述第一螺纹段与所述第二螺纹段之间。Wherein, the first pin is provided with a matching section connected with the first connecting piece or the second connecting piece, and the matching section is arranged between the first threaded section and the second threaded section.
其中，所述配合段包括与所述第一连接件连接的第一配合段，及与所述第二连接件连接的第二配合段，所述环槽设置于所述第一配合段与所述第二配合段之间。Wherein, the matching section includes a first matching section connected to the first connecting piece, and a second matching section connected to the second connecting piece, and the ring groove is provided between the first matching section and the second connecting piece. Between the second fitting section.
其中，所述通孔为阶梯状，所述通孔包括与所述环槽卡接的台阶面。Wherein, the through hole is in a stepped shape, and the through hole includes a stepped surface that engages with the ring groove.
其中，所述第一销钉的材质为不锈钢。Wherein, the material of the first pin is stainless steel.
(三)有益效果(3) Beneficial effects
本实用新型的上述技术方案具有如下优点：本实用新型提供的防松销钉中第二连接件内设置有通孔，第一销钉的一端穿过第一连接件设置于通孔内，另一端与螺母连接，第一销钉分别与第一连接件及第二连接件连接，第一销钉上设置有与第二连接件卡接的环槽。本实用新型提供的防松销钉中第一销钉分别与第一连接件及第二连接件连接，在第二连接件下端不可达的情况下使用，同时带有防松、紧固和定位作用，节省安装空间；具有使用方便及结构简单的优点。The above-mentioned technical scheme of the utility model has the following advantages: in the anti-loosening pin provided by the utility model, a through hole is arranged in the second connecting piece, one end of the first pin passes through the first connecting piece and is arranged in the through hole, and the other end is connected to the through hole. Nut connection, the first pin is respectively connected with the first connecting piece and the second connecting piece, and the first pin is provided with an annular groove which is clamped with the second connecting piece. Among the anti-loosening pins provided by the utility model, the first pin is respectively connected with the first connecting piece and the second connecting piece, and is used when the lower end of the second connecting piece is not accessible, and has functions of anti-loosening, fastening and positioning. It saves installation space; it has the advantages of convenient use and simple structure.
附图说明Description of drawings
图1是本实用新型背景技术防松销钉的示意图；Fig. 1 is the schematic diagram of the anti-loosening pin of the background technology of the present utility model;
图2是本实用新型实施例防松销钉的示意图；Fig. 2 is the schematic diagram of the anti-loosening pin of the utility model embodiment;
图3是本实用新型实施例防松销钉中的第一销钉的结构示意图；Fig. 3 is a schematic structural view of the first pin in the anti-loosening pin of the embodiment of the present invention;
图4是本实用新型实施例防松销钉中的第二连接件的结构示意图。Fig. 4 is a schematic structural view of the second connecting piece in the anti-loosening pin of the embodiment of the present invention.
图中：1：第一连接件；2：第二连接件；2a：沉孔；2b：销孔；2ab：台阶面；2c：螺纹；3：第一销钉；2ab：台阶；4：螺母；3a：第一螺纹段；3b：第一配合段；3c：环槽；3d：第二配合段；3e：第二螺纹段；5：第二销钉。In the figure: 1: first connecting piece; 2: second connecting piece; 2a: counterbore; 2b: pin hole; 2ab: step surface; 2c: thread; 3: first pin; 2ab: step; 4: nut; 3a: first thread segment; 3b: first matching segment; 3c: ring groove; 3d: second matching segment; 3e: second thread segment; 5: second pin.
具体实施方式Detailed ways
在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的机或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by ", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the machine or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on the invention.
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.
下面结合附图和实施例对本实用新型的具体实施方式作进一步详细描述。以下实施例用于说明本实用新型，但不用来限制本实用新型的范围。The specific implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
如图2至图4所示，本实用新型实施例提供的防松销钉包括：第一连接件1、第二连接件2、第一销钉3及螺母4；所述第二连接件2内设置有通孔，所述第一销钉3的一端穿过所述第一连接件1设置于所述通孔内，另一端与所述螺母4连接，所述第一销钉3分别与所述第一连接件1及第二连接件2连接，所述第一销钉3上设置有与所述第二连接件2的通孔卡接的环槽3c。本实用新型提供的防松销钉中第一销钉3分别与第一连接件1及第二连接件2连接，环槽3c与第二连接件2的通孔卡接。在第二连接件2下端不可达的情况下使用，同时带有防松、紧固和定位作用，节省安装空间；具有使用方便及结构简单的优点。As shown in Figures 2 to 4, the anti-loosening pin provided by the embodiment of the present invention includes: a first connecting piece 1, a second connecting piece 2, a first pin 3 and a nut 4; There is a through hole, one end of the first pin 3 passes through the first connector 1 and is arranged in the through hole, and the other end is connected with the nut 4, and the first pin 3 is connected with the first pin 3 respectively. The connecting piece 1 is connected to the second connecting piece 2 , and the first pin 3 is provided with an annular groove 3 c which is engaged with the through hole of the second connecting piece 2 . Among the anti-loosening pins provided by the utility model, the first pin 3 is respectively connected with the first connecting piece 1 and the second connecting piece 2 , and the ring groove 3 c is engaged with the through hole of the second connecting piece 2 . It is used when the lower end of the second connecting piece 2 is inaccessible, and has the functions of anti-loosening, fastening and positioning, saving installation space; it has the advantages of convenient use and simple structure.
本实施例中所述通孔为阶梯状，所述通孔包括沉孔2a及销孔2b，销孔2b开设置于沉孔2a的底部，沉孔2a与销孔2b的连接面为台阶面2ab，台阶面2ab与所述环槽3c卡接。本实施例中台阶面2ab通过冲铆，产生的变形将卡紧第一销钉3，防止第一销钉3松脱。In this embodiment, the through hole is stepped, and the through hole includes a counterbore 2a and a pin hole 2b. The pin hole 2b is opened at the bottom of the counterbore 2a, and the connection surface between the counterbore 2a and the pin hole 2b is a stepped surface. 2ab, the stepped surface 2ab is engaged with the ring groove 3c. In this embodiment, the stepped surface 2ab is punched and riveted, and the deformation generated will clamp the first pin 3 to prevent the first pin 3 from loosening.
本实用新型提供的防松销钉中所述第一销钉3上分别设置有第一螺纹段3a及第二螺纹段3e，所述第一销钉3通过所述第一螺纹段3a与所述第一连接件1螺纹连接，所述第一销钉3通过所述第二螺纹段3e与所述第二连接件2连接。In the anti-loosening pin provided by the utility model, the first pin 3 is respectively provided with a first thread section 3a and a second thread section 3e, and the first pin 3 passes through the first thread section 3a and the first thread section 3a. The connecting piece 1 is screwed, and the first pin 3 is connected with the second connecting piece 2 through the second threaded segment 3e.
为了使得防松效果好，本实用新型中在第一销钉3上设置有配合段，所述配合段设置于所述第一螺纹段3a与所述第二螺纹段3e之间。本实施例中所述配合段包括第一配合段3b及第二配合段3d，所述第一配合段3b与所述第一连接件1连接，所述第二配合段3d与所述第二连接件2连接，所述环槽3c设置于所述第一配合段3b与所述第二配合段3d之间。其中，所述第一销钉3的材质为不锈钢。In order to achieve a good anti-loosening effect, in the present invention, a matching section is provided on the first pin 3, and the matching section is arranged between the first threaded section 3a and the second threaded section 3e. In this embodiment, the matching section includes a first matching section 3b and a second matching section 3d, the first matching section 3b is connected to the first connector 1, and the second matching section 3d is connected to the second The connecting piece 2 is connected, and the annular groove 3c is disposed between the first matching section 3b and the second matching section 3d. Wherein, the material of the first pin 3 is stainless steel.
本实用新型防松销钉在使用过程：第一销钉3通过螺纹连接旋入第二连接件2内，第一配合段3b与第一连接件配合连接，第二配合段3d与第二连接件2配合连接。在第二连接件2的台阶面2ab处冲铆；冲铆产生的变形将卡紧销钉3，防止销钉3松脱。由于沉孔2a的存在，2ab处的冲铆变形不至于突出第一连接件1和第二连接件2之间的配合平面，保证配合面质量、节省安装空间。During the use of the anti-loosening pin of the utility model: the first pin 3 is screwed into the second connecting piece 2 through threaded connection, the first matching section 3b is connected with the first connecting piece, and the second matching section 3d is connected with the second connecting piece 2 Mate connection. Punch riveting at the step surface 2ab of the second connecting member 2; the deformation generated by the punching riveting will clamp the pin 3 to prevent the pin 3 from loosening. Due to the existence of the counterbore 2a, the punching and riveting deformation at 2ab will not protrude from the mating plane between the first connector 1 and the second connector 2, ensuring the quality of the mating surface and saving installation space.
综上所述，本实用新型具有以下优点：本实用新型提供的防松销钉中第二连接件内设置有通孔，第一销钉的一端穿过第一连接件设置于通孔内，另一端与螺母连接，第一销钉分别与第一连接件及第二连接件连接，第一销钉上设置有与第二连接件卡接的环槽。本实用新型提供的防松销钉中第一销钉分别与第一连接件及第二连接件连接，在第二连接件下端不可达的情况下使用，同时带有防松、紧固和定位作用，节省安装空间；具有使用方便及结构简单的优点。In summary, the utility model has the following advantages: in the anti-loosening pin provided by the utility model, a through hole is arranged in the second connector, one end of the first pin passes through the first connector and is arranged in the through hole, and the other end The first pin is connected with the nut, the first pin is respectively connected with the first connecting piece and the second connecting piece, and the first pin is provided with an annular groove which is engaged with the second connecting piece. Among the anti-loosening pins provided by the utility model, the first pin is respectively connected with the first connecting piece and the second connecting piece, and is used when the lower end of the second connecting piece is not accessible, and has functions of anti-loosening, fastening and positioning. It saves installation space; it has the advantages of convenient use and simple structure.
进一步地，为了使得防松效果好，本实用新型中在第一销钉上设置有分别与第一连接件及第二连接件连接的配合段。Further, in order to achieve a good anti-loosening effect, in the present invention, the first pin is provided with matching sections respectively connected with the first connecting piece and the second connecting piece.
以上实施例仅用以说明本实用新型的技术方案，而非对其限制；尽管参照前述实施例对本实用新型进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本实用新型各实施例技术方案的精神和范围。The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be applied to the foregoing embodiments The technical solutions described in the examples are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520069518.0U CN204591916U (en) | 2015-01-30 | 2015-01-30 | A kind of check pin |
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| CN201520069518.0U CN204591916U (en) | 2015-01-30 | 2015-01-30 | A kind of check pin |
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| CN204591916U true CN204591916U (en) | 2015-08-26 |
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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 buckle pin assembly structure |
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2015
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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 buckle pin assembly structure |
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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 |
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