CN220387716U - Tool for closing up self-locking nut - Google Patents
Tool for closing up self-locking nut Download PDFInfo
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- CN220387716U CN220387716U CN202322013065.7U CN202322013065U CN220387716U CN 220387716 U CN220387716 U CN 220387716U CN 202322013065 U CN202322013065 U CN 202322013065U CN 220387716 U CN220387716 U CN 220387716U
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- self
- locking nut
- pressing block
- closing
- tool
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- 238000003825 pressing Methods 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 15
- 238000003754 machining Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000000670 limiting effect Effects 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The utility model discloses a tool for closing up a self-locking nut, which comprises a body, wherein a chute is formed in the upper surface of the body, a first pressing block and a second pressing block which can move relatively are respectively arranged on two sides of the chute in a sliding mode, and a threaded mandrel for fixing the self-locking nut is detachably arranged on the bottom surface of the chute between the first pressing block and the second pressing block. The utility model relates to the technical field of machining, in particular to a tool for closing a self-locking nut, which is used for realizing quick extrusion closing of the self-locking nut through the matching of a body, a first pressing block, a second pressing block, a sliding chute and a threaded mandrel, wherein the first pressing block and the second pressing block are close to the center on a vice through the sliding chute, and closing the self-locking nut fixed on the threaded mandrel.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a tool for closing a self-locking nut.
Background
The self-locking nut is a very common fastener, is generally self-locking by friction, has the functions of locking and vibration resistance, and can be used in special occasions. The self-locking nut is currently provided with three types of nylon ring embedded, necked-in and metal locking devices. After the self-locking nut is machined and formed, the joint opening of the self-locking nut needs to be closed, so that the self-locking nut is self-locked by friction force, in machining, special self-locking nuts in some development stages sometimes need to be closed, the number of parts is small, the period is short, and if the production cost is high due to external cooperation, therefore, a tool for a bench worker needs to be designed for closing the self-locking nut.
When the existing parts such as the self-locking nut are closed, a grooving method and an elliptical flattening method are often adopted for closing, but the methods are more suitable for the condition of a large number of parts, the number of parts cannot be dealt with, the period is short, and the special self-locking nut at the development stage can be closed. And for the special nuts which are small in number, short in period and still in the development stage, if the conventional self-locking nut closing tool is used for closing, the defects of overhigh production and processing cost exist, and the operation of a user is inconvenient.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a tool for closing up a self-locking nut, which solves the problems that the number of the prior conventional self-locking nut closing-up tools is small, the conventional self-locking nut closing-up tools are adopted for closing up special nuts with short period and in development stage, the production and processing cost is high, and the operation is inconvenient.
The technical scheme adopted by the utility model is as follows: a tool for closing up a self-locking nut comprises a body, wherein a chute is formed in the upper surface of the body, a first pressing block and a second pressing block which can move relatively are respectively installed on two sides of the chute in a sliding mode, and a threaded mandrel for fixing the self-locking nut is detachably installed on the bottom surface of the chute between the first pressing block and the second pressing block.
Preferably, opposite ends of the first pressing block and the second pressing block are folded to form a die cavity for accommodating the closing-in of the self-locking nut.
Preferably, the size of the die cavity is the same as the size of the closing-in required by the self-locking nut.
Preferably, a threaded bottom hole which penetrates through the body downwards and is used for installing the threaded mandrel is formed in the bottom surface of the sliding groove.
Preferably, the outer wall of the middle part of the threaded mandrel is in threaded fit with the inner wall of the threaded bottom hole.
Preferably, the outer diameter of the upper portion of the threaded spindle is smaller than the inner diameter of the threaded bottom hole.
Preferably, the upper end of the threaded bottom hole is coaxially provided with a positioning groove for placing the self-locking nut.
Preferably, the first pressing block and the second pressing block are arranged with the positioning groove as an axisymmetric mode.
Preferably, a pressing plate is arranged above the sliding groove and is in threaded connection with the top of the body through a screw.
Preferably, the tops of the first pressing block and the second pressing block are provided with process holes.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
this a instrument for self-locking nut binding off draws close to the center through first briquetting and second briquetting through the spout on the vice, closes up the self-locking nut of fixing on the screw mandrel, and this instrument adopts the combination formula simultaneously for processing, assembly and installation are all very convenient, have alleviateed user's work burden greatly, have improved work efficiency.
The front ends of the first pressing block and the second pressing block are processed into the die cavity for accommodating the closing-in of the self-locking nut, so that the size required by the closing-in of the self-locking nut is ensured, namely, the size of the die cavity is the size required by the closing-in of the self-locking nut.
The threaded mandrel close to the closing-in position is selected according to the minimum size of the threaded bottom hole of the body, so that the tool is prevented from being normally taken out even if the threads deform after the self-locking nut is extruded and closed.
Through setting up the clamp plate in the top of spout for first briquetting and second briquetting can hug closely all the time and follow the spout bottom and slide, play certain limiting displacement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a structure provided by an embodiment of the present utility model;
FIG. 2 is a top view of a structure according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a body provided by an embodiment of the present utility model;
FIG. 4 is a side view of a body provided by an embodiment of the present utility model;
FIG. 5 is a top view of a body according to an embodiment of the present utility model;
FIG. 6 is a cross-sectional view of a first briquette provided in an embodiment of the utility model;
FIG. 7 is a top view of a first compact provided by an embodiment of the present utility model;
FIG. 8 is a cross-sectional view of a second compact provided in an embodiment of the present utility model;
FIG. 9 is a top view of a second compact provided in an embodiment of the present utility model;
FIG. 10 is a cross-sectional view of a platen according to an embodiment of the present utility model;
FIG. 11 is a top view of a platen according to an embodiment of the present utility model;
FIG. 12 is a cross-sectional view of a threaded spindle provided in an embodiment of the present utility model;
fig. 13 provides a side view of a threaded spindle in accordance with an embodiment of the present utility model.
Description of the drawings: 1. a body; 2. a first briquette; 3. a pressing plate; 4. a screw; 5. a second briquetting; 6. a threaded spindle; 7. a process hole; 8. a chute; 9. a mold cavity; 10. a positioning groove; 11. a threaded bottom hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
The present utility model will be described in detail with reference to fig. 1 to 3.
Examples
As can be seen from fig. 1 to 5, a tool for closing in a self-locking nut comprises a body 1, and is characterized in that: the upper surface of the body 1 is provided with a chute 8, the body 1 and the pressing plate 3 are structural members with 45# or 30CrMnSiA hardness HRC 33-38, after rough machining, heat treatment is carried out, finish machining is carried out, a first pressing block 2 and a second pressing block 5 which can move relatively are respectively arranged on two sides of the chute 8 in a sliding mode, the first pressing block 2, the second pressing block 5 and a threaded mandrel 6 are made of alloy tool steel such as GCr15 or CrWMn, the strength and the wear resistance of the tool are improved by carrying out heat treatment on the HRC 55-60 in vacuum, the chute 8 has a limiting effect on the first pressing block 2 and the second pressing block 5, the first pressing block 2 and the second pressing block 5 can only slide along the chute 8 and cannot rotate, a threaded mandrel 6 for fixing a self-locking nut is detachably arranged on the bottom surface of the chute 8 between the first pressing block 2 and the second pressing block 5, and the self-locking nut is fixed by the threaded mandrel 6, so that the self-locking nut placed on the body 1 can be conveniently extruded and closed;
in the specific implementation process, it is worth particularly pointing out that the chute 8 has a limiting effect on the first pressing block 2 and the second pressing block 5, so that the first pressing block 2 and the second pressing block 5 can only slide along the chute 8 and cannot rotate, the threaded mandrel 6 fixes the self-locking nut placed on the body 1, and the self-locking nut is convenient to extrude and close subsequently;
further, opposite ends of the first pressing block 2 and the second pressing block 5 are folded to form a die cavity 9 for accommodating the closing-in of the self-locking nut;
in the specific implementation process, it is worth particularly pointing out that the front ends of the first pressing block 2 and the second pressing block 5 are processed into the die cavity 9 for accommodating the closing-in of the self-locking nut, so that the required size of the closing-in of the self-locking nut is ensured, namely, the size of the die cavity 9 is the size of the closing-in required by the self-locking nut;
furthermore, the size of the die cavity 9 is the same as the size of the closing-up required by the self-locking nut, and the self-locking nut closed up by the tool not only needs to ensure the closing-up size, but also meets the detection of a tensile test;
in the specific implementation process, it is worth particularly pointing out that when the first pressing block 2 and the second pressing block 5 are folded, the size of the formed die cavity 9 is the closing size required by the self-locking nut, and the self-locking nut closed by the tool not only needs to ensure the closing size, but also meets the detection of a tensile test;
further, a threaded bottom hole 11 which penetrates downwards through the body 1 and is used for installing the threaded mandrel 6 is formed in the bottom surface of the sliding groove 8;
in particular, it is worth mentioning that the threaded spindle 6 is intended for subsequent threaded installation by means of the threaded bottom hole 11;
further, the outer wall of the middle part of the threaded mandrel 6 is in threaded fit with the inner wall of the threaded bottom hole 11;
in the specific implementation process, it is worth particularly pointing out that the self-locking nut is conveniently fixed by screwing the threaded mandrel 6 into the threaded bottom hole 11 by the threaded cooperation between the threaded mandrel 6 and the threaded bottom hole 11;
further, the outer diameter of the upper part of the threaded mandrel 6 is smaller than the inner diameter of the threaded bottom hole 11;
in the specific implementation process, it is worth particularly pointing out that by selecting the threaded mandrel 6 close to the closing-in position according to the minimum size of the threaded bottom hole of the body 1, the situation that the threaded mandrel 6 can be normally taken out even if the threads deform after the self-locking nut is extruded and closed by the tool is avoided;
further, the upper end of the threaded bottom hole 11 is coaxially provided with a positioning groove 10 for placing the self-locking nut, the positioning groove 10 plays a certain limiting role, and before closing in, a user needs to place the self-locking nut into the positioning groove 10;
in the specific implementation process, it is worth particularly pointing out that by arranging the positioning groove 10 at the top of the body 1, a user can conveniently and rapidly place the self-locking nut on the body 1, and can conveniently and accurately close the self-locking nut subsequently;
furthermore, the first pressing block 2 and the second pressing block 5 are arranged in an axisymmetric mode by taking the positioning groove 10 as an axis, and the first pressing block 2 and the second pressing block 5 are in a symmetric state by taking the positioning groove 10 as an axis, so that a subsequent user can conveniently use a vice to enable the two pressing blocks to approach to the center along the sliding groove 8, and the self-locking nut is closed;
in the specific implementation process, it is worth particularly pointing out that the first pressing block 2 and the second pressing block 5 are in a symmetrical state by taking the positioning groove 10 as an axis, so that a subsequent user can conveniently draw the two parts towards the center along the sliding groove 8 by using a vice, and the self-locking nut is closed;
further, the pressing plate 3 is arranged above the sliding groove 8, the pressing plate 3 is in threaded connection with the top of the body 1 through the screw 4, the pressing plate 3 enables the first pressing block 2 and the second pressing block 5 to be tightly attached all the time and slide along the bottom of the sliding groove 8, a certain limiting effect is achieved, and meanwhile the placement of the pressing plate 3 does not influence a user to place the self-locking nut on the body 1;
in the specific implementation process, it is worth particularly pointing out that the pressing plate 3 is arranged above the chute 8, so that the first pressing block 2 and the second pressing block 5 can always slide along the bottom of the chute 8 in a close fit manner, and a certain limiting effect is achieved;
further, the tops of the first pressing block 2 and the second pressing block 5 are provided with the process holes 7, and the process holes 7 facilitate a user to perform position alignment on the polished first pressing block 2 and the polished second pressing block 5 and measure the profile sizes of the first pressing block 2 and the polished second pressing block 5, so that the consistency of the profile centers of the first pressing block 2 and the polished second pressing block 5 is ensured;
in the specific implementation process, it is worth particularly pointing out that the top of the first pressing block 2 and the top of the second pressing block 5 are provided with the process holes, so that the upper surface, the lower surface and the two side surfaces of the first pressing block 2 and the second pressing block 5 which are subjected to heat treatment need to be sharpened on a tool grinder, the fact that the center of the molded surfaces of the first pressing block 2 and the second pressing block 5 is consistent after polishing is finished is ensured, and the position alignment of a user and the measurement of the molded surface sizes of the first pressing block 2 and the second pressing block 5 are facilitated;
specifically, when the tool for closing the self-locking nut is used, the pressing plate 3 is firstly installed above the body 1 through the screw 4, then the self-locking nut is placed into the positioning groove 10 of the body 1, the threaded mandrel 6 is screwed in from the threaded bottom hole 11 of the body 1, the self-locking nut is fixed, then the first pressing block 2 and the second pressing block 5 are placed into the sliding groove 8 of the body 1, finally a user pushes two sides of the first pressing block 2 and the second pressing block 5 on a vice, so that the first pressing block 2 and the second pressing block 5 translate towards the center along the sliding groove 8, and when the first pressing block 2 and the second pressing block 5 are closed, the size of the combined die cavity 9 is the size of the self-locking nut which needs to be closed.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a tool for closing up of self-locking nut, includes body (1), its characterized in that: a sliding groove (8) is formed in the upper surface of the body (1), a first pressing block (2) and a second pressing block (5) capable of moving relatively are respectively arranged on two sides of the sliding groove (8) in a sliding mode, and a threaded mandrel (6) used for fixing a self-locking nut is detachably arranged on the bottom surface of the sliding groove (8) between the first pressing block (2) and the second pressing block (5).
2. The tool for closing in a self-locking nut as defined in claim 1, wherein: opposite ends of the first pressing block (2) and the second pressing block (5) are folded to form a die cavity (9) for accommodating the closing-in of the self-locking nut.
3. The tool for closing in a self-locking nut as claimed in claim 2, wherein: the size of the die cavity (9) is the same as the size of the closing-in required by the self-locking nut.
4. The tool for closing in a self-locking nut as defined in claim 1, wherein: the bottom surface of the chute (8) is provided with a threaded bottom hole (11) which downwards penetrates through the body (1) and is used for installing the threaded mandrel (6).
5. The tool for closing in a self-locking nut of claim 4, wherein: the outer wall of the middle part of the threaded mandrel (6) is in threaded fit with the inner wall of the threaded bottom hole (11).
6. The tool for closing in a self-locking nut of claim 5, wherein: the outer diameter of the upper part of the threaded mandrel (6) is smaller than the inner diameter of the threaded bottom hole (11).
7. The tool for closing in a self-locking nut of claim 4, wherein: the upper end of the threaded bottom hole (11) is coaxially provided with a positioning groove (10) for placing a self-locking nut.
8. The tool for closing in a self-locking nut of claim 7, wherein: the first pressing block (2) and the second pressing block (5) are arranged in an axisymmetric mode by taking the positioning groove (10) as an axis.
9. The tool for closing in a self-locking nut as defined in claim 1, wherein: the upper part of the chute (8) is provided with a pressing plate (3), and the pressing plate (3) is in threaded connection with the top of the body (1) through a screw (4).
10. The tool for closing in a self-locking nut as defined in claim 1, wherein: the tops of the first pressing block (2) and the second pressing block (5) are provided with process holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322013065.7U CN220387716U (en) | 2023-07-28 | 2023-07-28 | Tool for closing up self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322013065.7U CN220387716U (en) | 2023-07-28 | 2023-07-28 | Tool for closing up self-locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220387716U true CN220387716U (en) | 2024-01-26 |
Family
ID=89601602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322013065.7U Active CN220387716U (en) | 2023-07-28 | 2023-07-28 | Tool for closing up self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220387716U (en) |
-
2023
- 2023-07-28 CN CN202322013065.7U patent/CN220387716U/en active Active
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