CN220807127U - Hollow bolt mounting fixture - Google Patents

Hollow bolt mounting fixture Download PDF

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Publication number
CN220807127U
CN220807127U CN202322727508.9U CN202322727508U CN220807127U CN 220807127 U CN220807127 U CN 220807127U CN 202322727508 U CN202322727508 U CN 202322727508U CN 220807127 U CN220807127 U CN 220807127U
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CN
China
Prior art keywords
hollow bolt
head
caulking groove
wrench
connecting block
Prior art date
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Active
Application number
CN202322727508.9U
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Chinese (zh)
Inventor
王永
简光建
王博
李品
曹永辉
王翔空
杨宗谕
许帅
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Chengdu Guoying Jinjiang Machine Factory
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Chengdu Guoying Jinjiang Machine Factory
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Publication date
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Priority to CN202322727508.9U priority Critical patent/CN220807127U/en
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Publication of CN220807127U publication Critical patent/CN220807127U/en
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Abstract

The utility model discloses a hollow bolt mounting fixture which comprises a connecting piece and a connecting block, wherein the connecting piece is used for being detachably connected to a hollow bolt, a caulking groove I is formed in the connecting piece and used for being embedded with the head of the hollow bolt, a screwing part used for being matched with a wrench is further arranged on the connecting block, and the connecting block is detachably connected with the connecting piece. According to the utility model, the screwing part is tightly connected with the head of the hollow bolt in a detachable manner, and when a fastening torque is applied to the matched nut, the wrench is fixed to the head of the hollow bolt through the screwing part, and compared with the head of the hollow bolt, the screwing part can be more matched with the wrench, so that the situation that the wrench is separated from the head of the hollow bolt is effectively avoided, and the hollow bolt has the advantages of improving safety, improving working efficiency and being convenient to operate.

Description

Hollow bolt mounting fixture
Technical Field
The utility model relates to the technical field of helicopter maintenance, in particular to a hollow bolt mounting clamp.
Background
The installation and fastening mode of the bolt and the nut is that the bolt passes through a product or a component to be installed and fixed, and simultaneously the head of the bolt and the nut are fastened by a spanner, so that the installation and the fastening of the product or the component are realized. The hollow bolt is used for installing and fixing the buffer strut of the landing gear of a certain helicopter on the helicopter body structure, and the installation screwing moment of the matched nut is about 150 N.m.
As shown in fig. 4, a hollow bolt 4 for mounting and fixing the landing gear is hollow in the axial direction, the head part is small in thickness, and the hollow bolt 4 is connected with an adaptive gasket 6 and a matched nut 5; because the mounting position space of undercarriage is narrow and small, when exerting great fastening moment to supporting nut 5 and fasten, need two people to use the great spanner cooperation of arm, but because the head thickness of hollow bolt 4 is little, when supporting nut 5 exerts great fastening moment and fastens, the spanner is easily deviate from the head of hollow bolt 4, exists the adjacent subassembly of damage and causes the risk of personal injury, leads to the security of hollow bolt 4 fastening process lower to the condition that the spanner deviate from the hollow bolt 4 head takes place to the demand is avoided.
Therefore, how to avoid the situation that the wrench is separated from the head of the hollow bolt is a problem to be solved in the technical field.
Disclosure of utility model
It is an object of the present utility model to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a hollow bolt mounting fixture including a connector for detachably connecting to a hollow bolt;
The connecting block is provided with a caulking groove I for being embedded with the head of the hollow bolt, and the connecting block is further provided with a screwing part for adapting to a spanner, and the connecting block is detachably connected with the connecting piece.
Preferably, wherein, the intermediate position in the caulking groove I is run through and is seted up the connecting hole, the connecting piece includes:
The tail end of the long bolt is penetrated into the connecting hole;
And the small nut is in threaded connection with the long bolt, and the small nut abuts against the connecting block.
Preferably, the screwing part is arranged on the connecting block in the following manner:
The integrated into one piece protrusion is provided with and is the nut form twist the movable block on the connecting block, just twist the movable block with caulking groove I is located same central axis.
Preferably, a plurality of clamping blocks which are used for being matched with the screwing grooves of the head parts of the hollow bolts are further arranged in the caulking groove I in an integrally formed protruding mode.
Preferably, the wrench further comprises a wrench head, wherein a caulking groove II for being embedded with a matched nut is formed in the middle position of one end of the wrench head, and a caulking groove III for being embedded with an internal angle wrench is formed in the middle position of the other end of the wrench head.
The utility model at least comprises the following beneficial effects:
According to the utility model, the screwing part is tightly connected with the head of the hollow bolt in a detachable manner, and when a fastening torque is applied to the matched nut, the wrench is fixed to the head of the hollow bolt through the screwing part, and compared with the head of the hollow bolt, the screwing part can be more matched with the wrench, so that the situation that the wrench is separated from the head of the hollow bolt is effectively avoided, and the hollow bolt has the advantages of improving safety, improving working efficiency and being convenient to operate.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the application of the present utility model.
Fig. 3 is a schematic view of the structure of the connecting block of the present utility model.
Fig. 4 is a schematic view of the structure of the hollow bolt of the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Fig. 1 shows an implementation of the utility model comprising a coupling piece 1 for detachable connection to a hollow bolt 4;
The connecting block 2 is provided with a caulking groove I21 for being embedded with the head of the hollow bolt 4, and the connecting block 2 is further provided with a screwing part for adapting to a spanner, and the connecting block 2 is detachably connected with the connecting piece 1.
Working principle: when the landing gear of the helicopter is fixedly installed through the hollow bolt 4, after the hollow bolt 4 penetrates through the landing gear and is connected with the gasket 6 and the matched nut 5, the connecting piece 1 is connected with the hollow bolt 4, the caulking groove I21 of the connecting block 2 is embedded with the head part of the hollow bolt 4, the connecting piece 2 is limited and connected to the hollow bolt 4 through the connecting piece 1, the caulking groove I21 is tightly embedded with the head part of the hollow bolt 4, then the screwing part is clamped through a spanner, the matched nut 5 is clamped through the other spanner, and fastening operation is performed through the matching of the two spanners; in this kind of technical scheme, through detachable mode at the head zonulae occludens of hollow bolt 4 and twist the portion, when exerting the tightening torque to supporting nut 5, the spanner is fixed through twisting the portion of moving the head of hollow bolt 4, twists the portion and compares with the head of hollow bolt 4, more can adapt with the spanner, has effectively avoided the spanner to deviate from the condition emergence of hollow bolt 4 head, has the beneficial effect that promotes security, promotes work efficiency, be convenient for operate.
In the above scheme, the connecting hole 23 is formed in the middle position in the caulking groove i 21, and the connecting piece 1 includes:
The tail end of the long bolt 11 is penetrated into the connecting hole 23;
A small nut 12 screwed with the long bolt 11, and the small nut 12 abuts against the connection block 2.
Working principle: after the hollow bolt 4 passes through the landing gear and is connected with the gasket 6 and the matched nut 5, the long bolt 11 is penetrated into the hollow bolt 4, then the connecting block 2 is penetrated on the long bolt 11 through the connecting hole 23, the caulking groove I21 is embedded with the head part of the hollow bolt 4, the small nut 12 is in threaded connection with the long bolt 11, the connecting block 2 is tightly abutted and limited on the hollow bolt 4 through the matching of the small nut 12 and the long bolt 11, the embedding of the caulking groove I21 and the head part of the hollow bolt 4 can not be separated, and then the matched nut 5 and the screwing part are respectively clamped through two wrenches for fastening operation; after the fastening operation is completed, the small nut 12, the long bolt 11 and the connecting block 2 are detached in sequence.
In the above-mentioned scheme, the manner of setting the screwing part on the connection block 2 is as follows:
the connecting block 2 is provided with a nut-shaped screwing block 22 in an integrally formed protruding mode, and the screwing block 22 and the caulking groove I21 are located on the same central axis.
Working principle: when the tightening operation is carried out, the wrench is clamped and fixed conveniently through the nut-shaped screwing block 22, and the screwing block 22 and the caulking groove I21 are located in the same central axis, so that when the wrench is used for fixing and limiting the screwing block 22, the caulking groove I21 is used for limiting and fixing the head of the hollow bolt 4, and then the tightening torque is applied to the matched nut 5.
In the above scheme, a plurality of clamping blocks 24 which are used for being matched with the screwing grooves of the head of the hollow bolt 4 are further integrally formed and protruded in the caulking groove I21. The plurality of clamping blocks 24 are matched and clamped with the screwing grooves of the head of the hollow bolt 4, so that a closer connection relationship is established between the connecting block 2 and the head of the hollow bolt 4, and the wrench is convenient to apply fastening torque through the connecting block 2.
In the above scheme, the wrench further comprises a wrench head 3, wherein a caulking groove II 31 for being embedded with the matched nut 5 is formed in the middle position of one end of the wrench head 3, and a caulking groove III 32 for being embedded with the internal angle wrench is formed in the middle position of the other end of the wrench head 3.
Working principle: when the conventional spanner cannot be matched with the matched nut 5, after the caulking groove II 31 of the spanner head 3 is embedded with the matched nut 5, the inner angle spanner is connected with the inner angle spanner through the caulking groove III 32, the spanner head 3 is screwed by the inner angle spanner through the caulking groove III 32, and the spanner head 3 applies a fastening moment to the matched nut 5 through the caulking groove II 31, so that the fastening operation of the matched nut 5 is realized.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (5)

1. The utility model provides a hollow bolt mounting fixture, is including being used for dismantling the connecting piece of connection on hollow bolt, its characterized in that:
The connecting block is provided with a caulking groove I for being embedded with the head of the hollow bolt, and the connecting block is further provided with a screwing part for adapting to a spanner, and the connecting block is detachably connected with the connecting piece.
2. The hollow bolt mounting fixture of claim 1, wherein a connecting hole is provided through a middle position in the caulking groove i, and the connecting piece comprises:
The tail end of the long bolt is penetrated into the connecting hole;
And the small nut is in threaded connection with the long bolt, and the small nut abuts against the connecting block.
3. The hollow bolt mounting fixture according to claim 1, wherein the connection block is provided with a screwing part in such a manner that:
The integrated into one piece protrusion is provided with and is the nut form twist the movable block on the connecting block, just twist the movable block with caulking groove I is located same central axis.
4. The hollow bolt mounting fixture according to claim 1, wherein a plurality of clamping blocks for being matched with the screwing grooves of the head part of the hollow bolt are further integrally formed and protruded in the caulking groove I.
5. The hollow bolt mounting fixture of claim 1, further comprising a wrench head, wherein a caulking groove ii for being interlocked with a mating nut is provided at a middle position of one end of the wrench head, and a caulking groove iii for being interlocked with an internal angle wrench is provided at a middle position of the other end of the wrench head.
CN202322727508.9U 2023-10-11 2023-10-11 Hollow bolt mounting fixture Active CN220807127U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322727508.9U CN220807127U (en) 2023-10-11 2023-10-11 Hollow bolt mounting fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322727508.9U CN220807127U (en) 2023-10-11 2023-10-11 Hollow bolt mounting fixture

Publications (1)

Publication Number Publication Date
CN220807127U true CN220807127U (en) 2024-04-19

Family

ID=90701546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322727508.9U Active CN220807127U (en) 2023-10-11 2023-10-11 Hollow bolt mounting fixture

Country Status (1)

Country Link
CN (1) CN220807127U (en)

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