A left-right turning auxiliary tool for quick installation of split pins

Abstract

The application discloses a kind of fast installation split pin left and right flip auxiliary tools, including support frame, the inside one side of the support frame is provided with positioning part;Fixed seat;Pushing assembly;Pushing part, the pushing part is set in the fixed seat, the pushing part penetrates the fixed seat, and extend to the inside of the support frame and the pushing assembly is connected, and the pushing part is used to push the pushing assembly.The application in the embodiment by the split pin installed on tool is fixed at the positioning part on support frame, and then the pushing part on fixed seat is used to move the pushing assembly in support frame, let the special structure on pushing assembly and the opening end of split pin meet and abut, and then complete to let the pushing assembly split pin left and right flip work.Effective realization lets the split pin installed on work position to carry out fast left and right flip work.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of split pin mechanical assembly, in particular to a kind of auxiliary tool for quickly installing split pin left and right. BACKGROUND

[0002] Split pin is a kind of metal hardware, also a kind of mechanical parts processed from high-quality steel (steel material with good elasticity), mainly used for threaded connection anti-loose, i.e. after nut is tightened, split pin is inserted into nut slot (catch slot) and tail hole of bolt (cylindrical pin), and split pin tail is pulled open, to prevent relative rotation of nut and bolt, therefore, split pin is widely used in mechanical assembly field.

[0003] In existing technology, after split pin is inserted into cylindrical pin, generally, two feet of split pin are pried open to 60° by using needle-nose pliers, to meet anti-loose requirement, but for fields such as aviation and aerospace equipment with high reliability requirement, split pin needs to be rolled to inside of workpiece (specifically nut) (commonly known as "left and right turning"), to improve anti-loose performance and reliability, current installation method is as follows: split pin is inserted into cylindrical pin hole, then two feet of split pin are pried open to adhere to side surface of hexagonal nut by using needle-nose pliers, then excess part of two feet of split pin is cut off by using diagonal pliers, finally, two feet of split pin are rolled into inside of catch slot of hexagonal nut by using screwdriver and hammer head.In this case, especially in narrow space of highly integrated products such as airplane, manual installation method assisted by traditional tools such as screwdriver, needle-nose pliers, diagonal pliers and hammer head has problems of difficult installation adjustment, split pin is prone to bending deformation, long time consumption in installation process, and poor installation process precision, specifically, split pin position and bending angle need to be repeatedly adjusted in installation process, which reduces installation efficiency, in addition, although split pin has high toughness, each foot of split pin should withstand repeated bending, but in the process of repeatedly adjusting bending angle, split pin is inevitably subjected to certain mechanical wear, which reduces stress intensity of split pin, further reduces installation quality, therefore, it is difficult to meet tooling requirement, therefore, there is an urgent need for an auxiliary tool for quickly installing split pin left and right turning. SUMMARY

[0004] The purpose of the present application is to provide an auxiliary tool for quickly installing split pin left and right turning.

[0005] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0006] An auxiliary tool for quickly installing split pin left and right turning, comprising:

[0007] A support frame, an inside one side of the support frame is provided with a positioning portion;

[0008] A fixing seat is arranged on the outer side of the support frame, and is located away from the positioning part, and the fixing seat and the positioning part are respectively arranged on two opposite edges of the support frame;

[0009] A pushing assembly is arranged in the support frame, and the pushing assembly is provided with a special structure for turning the split pin left and right near the positioning part, and the pushing assembly slides in the support frame;

[0010] A pushing part is arranged in the fixing seat, penetrates the fixing seat, and extends to the inside of the support frame to be connected with the pushing assembly, and the pushing part is used to push the pushing assembly.

[0011] In an alternative embodiment, the support frame is in the shape of a square box with an opening, and the support frame is provided with a closing plate at the opening, and the closing plate is detachably connected with the support frame.

[0012] In an alternative embodiment, the positioning part on the support frame comprises:

[0013] A through hole is arranged on the support frame away from the opening;

[0014] A positioning groove is arranged on the support frame and above the through hole.

[0015] In an alternative embodiment, the pushing assembly comprises:

[0016] A pushing block is slidably arranged in the support frame, and the two ends of the pushing block are slidably connected with the inner wall of the support frame;

[0017] A positioning pushing block is arranged on the pushing block, slidably connected with the inner wall of the support frame, and located near the positioning part;

[0018] Two lateral positioning blocks are arranged on the pushing block, and the two lateral positioning blocks are slidably connected with the support frame, and the two lateral positioning blocks are symmetrically arranged on the two sides of the positioning pushing block;

[0019] A synchronous rod is transversely arranged on the positioning pushing block, and the two ends of the synchronous rod penetrate the two lateral positioning blocks;

[0020] The special structure is arranged on the positioning pushing block and the two lateral positioning blocks.

[0021] In an alternative embodiment, the special structure comprises:

[0022] Two advancing grooves, the advancing grooves are arc-shaped, two of the advancing grooves are symmetrically arranged on the positioning advancing block, and a protrusion is arranged at the intersection of the two advancing grooves, the protrusion is used for inserting the opening of the split pin;

[0023] Two lateral positioning grooves, the cross section of the lateral positioning grooves is in the shape of L arranged obliquely, two of the lateral positioning grooves are arranged on two of the lateral positioning blocks respectively, and the two lateral positioning grooves are arranged in mirror symmetry along the protrusion.

[0024] In an alternative embodiment, the support frame is provided with a sliding groove on the side away from the opening, and further comprises:

[0025] A sliding block, the sliding block is slidingly connected in the sliding groove.

[0026] In an alternative embodiment, a screw hole is arranged through the inside of the fixing seat, and the ejecting part comprises:

[0027] An ejecting screw, the ejecting screw is threadedly connected in the screw hole of the fixing seat;

[0028] An ejecting push rod, the ejecting push rod is slidingly arranged in the screw hole of the fixing seat, one end of the ejecting push rod is connected in abutment with the ejecting screw, and the other end of the ejecting push rod extends through the inside of the support frame and is connected with the ejecting assembly.

[0029] In an alternative embodiment, the arrangement direction of the screw hole is perpendicular to the arrangement direction of the through hole.

[0030] In an alternative embodiment, the fixing seat and the support frame are detachably connected.

[0031] In an alternative embodiment, the fixing seat and the support frame are detachably connected through at least one connecting pin.

[0032] The beneficial effects of the present application are:

[0033] In the embodiments of the present application, the split pin mounted on the tool is fixed at the positioning part on the support frame, then the ejecting assembly is moved in the support frame by the ejecting part on the fixing seat, the special structure on the ejecting assembly is abutted with the opening end of the split pin, and then the split pin is flipped left and right by the ejecting assembly. That is, the split pin mounted on the work station is effectively flipped left and right quickly. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1The overall structural schematic view of the auxiliary tool for quickly installing the split pin left and right is provided in the embodiment of the present application;

[0035] Figure 2 The overall structural schematic view of the auxiliary tool for quickly installing the split pin left and right is provided in the embodiment of the present application (without the closing plate);

[0036] Figure 3 The top pushing assembly structural schematic view of the auxiliary tool for quickly installing the split pin left and right is provided in the embodiment of the present application;

[0037] Figure 4 The top pushing assembly structural schematic view of the auxiliary tool for quickly installing the split pin left and right is provided in the embodiment of the present application (without the supporting frame);

[0038] Figure 5 The use effect schematic view of the auxiliary tool for quickly installing the split pin left and right is provided in the embodiment of the present application.

[0039] The marks in the figure are shown as follows:

[0040] 1, supporting frame; 11, working cavity; 111, sliding groove; 12, closing plate; 121, fixing bolt; 13, through hole; 14, positioning groove;

[0041] 2, fixing seat; 21, ejection screw rod; 22, ejection push rod; 23, fixing piece;

[0042] 3, top pushing assembly; 31, push block; 32, positioning push block; 321, push groove; 322, sliding block; 33, lateral positioning block; 331, lateral positioning groove; 34, synchronous rod; 341, spring. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0044] It should be noted that all the directionality indications (such as up, down, left, right, front, back, …) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0045] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be internal communication of two elements or interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In addition, if the present application involves "first", "second" and the like in the description, the "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0047] Embodiment one

[0048] Referring to Figures 1-4 In order to realize the fast, the present application provides a kind of fast installation split pin left and right flip auxiliary tool in the first aspect of the present application, the auxiliary tool is by letting split pin at installation station be in left and right flip open and close position, then the opening of split pin is pushed using mechanism on auxiliary tool, and left and right flip work of split pin is completed.

[0049] Specifically, the auxiliary tool comprises a support frame 1, a fixing seat 2, a pushing assembly 3 and a pushing part. The inside of the support frame 1 is provided with a positioning part for accommodating an open pin and its tool. The fixing seat 2 is arranged on the outside of the support frame 1, and the fixing seat 2 is located away from the positioning part, and the fixing seat 2 and the positioning part are respectively arranged on two opposite edges of the support frame 1. The pushing assembly 3 is arranged in the support frame 1, and the pushing assembly 3 is provided with a special structure near the positioning part for turning the open pin left and right, and the pushing assembly 3 slides in the support frame 1. The pushing part is arranged in the fixing seat 2, the pushing part penetrates the fixing seat 2, and extends to the inside of the support frame 1 and is connected with the pushing assembly 3, and the pushing part is used to push the pushing assembly 3, so that the special structure on the pushing assembly 3 opens and closes the open pin. In this embodiment, the open pin installed on the tool is fixed at the positioning part on the support frame 1, and then the pushing part on the fixing seat 2 moves the pushing assembly 3 in the support frame 1, so that the special structure on the pushing assembly 3 abuts against the open end of the open pin, and then the pushing assembly 3 turns the open pin left and right. That is, it effectively realizes the quick left and right turning of the open pin installed on the work station. At the same time, it also ensures that the open pin position and bending angle are not adjusted repeatedly during installation, reduces the metal fatigue caused by repeated bending of the open pin, and effectively improves the installation efficiency.

[0050] Referring to Figure 1 , Figure 2 and Figure 3 , in this embodiment, the support frame 1 is in the shape of a square box with an opening on one side, and the support frame 1 is provided with a closing plate 12 on the side with the opening. The closing plate 12 is detachably connected to the support frame 1 by fixing bolts 121. The closing plate 12 is used to close the opening of the support frame 1, so as to ensure that the pushing assembly in the support frame 1 can work normally. The positioning part on the support frame 1 comprises a through hole 13 and a positioning groove 14. The through hole 13 penetrates the side of the support frame 1 away from the opening, and is used to accommodate other tool parts. The positioning groove 14 is arranged on the support frame 1 and above the through hole 13, and is used to accommodate the closed end of the open pin. In this embodiment, in order to facilitate the tool with the open pin to enter the through hole 13 and the positioning groove 14, the closing plate 12 is provided with an opening (not marked in the figure) near the through hole 13 and the positioning groove 14. When the open pin needs to be turned left and right, the open pin can be moved to the positioning groove 14 and the through hole 13 from the opening of the closing plate 12.

[0051] Referring toFigure 3 and 4 In the embodiment, the pushing assembly 3 comprises a pushing block 31, a positioning pushing block 32, two lateral positioning blocks 33 and a synchronous rod 34. The pushing block 31 is slidingly arranged in the support frame 1, and the two ends of the pushing block 31 are slidingly connected with the inner walls of the support frame 1, respectively. The positioning pushing block 32 is arranged on the pushing block 31, and is slidingly connected with the inner wall of the support frame 1, and is located close to the positioning portion. The two lateral positioning blocks 33 are arranged on the pushing block 31, and are slidingly connected with the support frame 1, respectively, and the two lateral positioning blocks 33 are symmetrically arranged on the two sides of the positioning pushing block 32. The special structure is arranged on the positioning pushing block 32 and the two lateral positioning blocks 33. The synchronous rod 34 is transversely arranged on the positioning pushing block 32, and the two ends of the synchronous rod 34 penetrate through the two lateral positioning blocks 33, respectively, so that the positioning pushing block 32 and the two lateral positioning blocks 33 can synchronize the operation of the special structure thereon to the positioning portion, and the special structure is used to left-right flip the split pin in the positioning portion.

[0052] Referring to Figure 2 , Figure 3 and Figure 4 , the special structure comprises two pushing grooves 321 and two lateral positioning grooves 331. The pushing grooves 321 are arc-shaped, and the two pushing grooves 321 are symmetrically arranged on the positioning pushing block 32. A protrusion is arranged at the intersection of the two pushing grooves 321, and the protrusion is used to insert the opening of the split pin, so as to separate the opening of the split pin. The cross section of the lateral positioning groove 331 is L-shaped and is arranged obliquely. The two lateral positioning grooves 331 are arranged on the two lateral positioning blocks 33, respectively, and the two lateral positioning grooves 331 are mirror-symmetrically arranged along the protrusion. In the embodiment, the protrusion on the positioning pushing block 32 is used to open the split pin from the opening, and then the opened split pin is preliminarily bent through the pushing groove 321. At the same time that the split pin is preliminarily bent, the preliminarily bent split pin is abutted to the tool through the two lateral positioning grooves 331, so as to complete the left-right flipping of the split pin. The specific effect diagram is shown in Figure 5 .

[0053] In the embodiment, in order to ensure the sliding effect of the positioning pushing block 32, a sliding block 322 is arranged on the positioning pushing block 32, and a sliding groove 11 is arranged on the side of the support frame 1 away from the opening, and the sliding block 322 is slidingly connected in the sliding groove 11.

[0054] In the embodiment, in order to ensure the effect of the synchronization of the synchronization rod 34 on the positioning and pushing block 32 and the lateral positioning block 33, the synchronization rod 34 is externally sleeved with a spring 341 which is coaxially arranged on the positioning and pushing block 32 and the lateral positioning block 33, so that the special structure on the positioning and pushing block 32 and the lateral positioning block 33 can be synchronized to perform the left and right flipping work on the cotter pin in contact with the cotter pin.

[0055] In the embodiment, the fixed seat 2 is internally provided with a screw hole (not shown in the figure) which is arranged in a direction perpendicular to the arrangement direction of the through hole 13. The ejecting part comprises an ejecting screw rod 21 and an ejecting push rod 22. The ejecting screw rod 21 is threadedly connected in the screw hole of the fixed seat 2. The ejecting push rod 22 is slidingly arranged in the screw hole of the fixed seat 2. One end of the ejecting push rod 22 is connected with the ejecting screw rod 21, and the other end of the ejecting push rod 22 extends to the inside of the support frame 1 and is in abutment with the push block 31, so as to push the ejecting push rod 22. In the embodiment, by rotating the ejecting screw rod 21, the ejecting screw rod 21 is pushed in the screw hole, and then the ejecting screw rod 21 pushes the ejecting push rod 22 into the support frame 1 from the screw hole. At this time, the ejecting push rod 22 pushes up the push block 31, and then the positioning and pushing block 32 and the two lateral positioning blocks 33 can be synchronized to move the special structure thereon to the positioning part, so as to perform the left and right flipping work on the cotter pin in the positioning part by the special structure.

[0056] In a feasible embodiment, one end of the ejecting push rod 22 is rotationally connected with the ejecting screw rod 21, and the other end of the ejecting push rod 22 is rotationally connected with the push block 31.

[0057] In the embodiment, the fixed seat 2 is detachably connected with the support frame 1. The fixed seat 2 and the support frame 1 are provided with connecting holes (not shown in the figure) on one side of each other. The fixed seat 2 is provided with a fixing member 23 at the connecting hole. One end of the fixing member 23 is connected with the connecting hole of the fixed seat 2, and the other end of the fixing member 23 is connected with the connecting hole of the support frame 1. That is, the fixed seat 2 and the support frame 1 are connected through the fixing member 23. Preferably, the fixing member 23 is a connecting pin. In the embodiment, in order to ensure the stable connection between the fixed seat 2 and the support frame 1, a plurality of fixing members 23 are arranged between the fixed seat 2 and the support frame 1.

[0058] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An auxiliary tool for quickly installing cotter pins by flipping them left and right, characterized in that, include: A support frame, wherein a positioning part is provided on one side of the inside of the support frame; A fixing seat is provided on the outer side of the support frame and is located away from the positioning part. The fixing seat and the positioning part are respectively located on two oppositely arranged side frames of the support frame. A jacking assembly is disposed within the support frame. The jacking assembly has a special structure near the positioning part for flipping the cotter pin left and right, and the jacking assembly slides within the support frame. A pushing part is disposed within the fixed base, the pushing part penetrates the fixed base and extends into the support frame to be connected to the pushing assembly, and the pushing part is used to push the pushing assembly; The pushing component includes: A push block, which is slidably disposed within the support frame, and whose two ends are slidably connected to the inner wall of the support frame, respectively; A positioning push block is disposed on the push block, the positioning push block is slidably connected to the inner wall of the support frame, and the positioning push block is located near the positioning part; Two lateral positioning blocks are disposed on the push block, and the two lateral positioning blocks are slidably connected to the support frame respectively, and the two lateral positioning blocks are symmetrically disposed on both sides of the positioning push block; A synchronizing rod is horizontally disposed on the positioning and pushing block, and both ends of the synchronizing rod pass through two lateral positioning blocks respectively; The special structure is provided on the positioning and propulsion block and the two lateral positioning blocks; In addition, a spring is sleeved on the outside of the synchronizing rod, and the spring is coaxially and through the synchronizing rod on the positioning push block and the lateral positioning block.

2. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 1, is characterized in that... The support frame is a square box with an opening on one side. A closing plate is provided on the opening side of the support frame, and the closing plate is detachably connected to the support frame.

3. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 2, is characterized in that... The positioning part on the support frame includes: A through hole, wherein the through hole is disposed on the side of the support frame away from the opening; A positioning groove is provided on the support frame and is located above the through hole.

4. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 3, is characterized in that... The special structure includes: Two push grooves, the push grooves are arc-shaped, and the two push grooves are symmetrically arranged on the positioning push block. A protrusion is provided at the intersection of the two push grooves, and the protrusion is used to insert the opening of the cotter pin. Two lateral positioning grooves, the cross-section of which is an inclined L-shape, are respectively disposed on the two lateral positioning blocks, and the two lateral positioning grooves are arranged in a mirror symmetrical manner along the protrusion.

5. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 4, is characterized in that... The support frame has a groove on the side away from the opening, and also includes: A slider, which is slidably connected within the groove.

6. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 5, is characterized in that... The fixed base has a through screw hole, and the pushing part includes: An ejector screw is threaded into the screw hole of the fixing seat; An ejector push rod is slidably disposed in the screw hole of the fixed base. One end of the ejector push rod is abutted and connected to the ejector screw, and the other end of the ejector push rod extends through into the interior of the support frame and is connected to the ejector assembly.

7. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 6, is characterized in that... The direction in which the screw hole is set is perpendicular to the direction in which the through hole is opened.

8. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 1, is characterized in that... The fixed base is detachably connected to the support frame.

9. The auxiliary tool for quickly installing cotter pins by flipping them left and right, as described in claim 8, is characterized in that... The mounting base is detachably connected to the support frame via at least one connecting pin.

Images