CN217582782U - Double-end stud chuck - Google Patents
Double-end stud chuck Download PDFInfo
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- CN217582782U CN217582782U CN202221000038.5U CN202221000038U CN217582782U CN 217582782 U CN217582782 U CN 217582782U CN 202221000038 U CN202221000038 U CN 202221000038U CN 217582782 U CN217582782 U CN 217582782U
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Abstract
The application discloses stud dop can fix stud and spanner and cooperate the spanner to assemble stud. The stud chuck in this application includes: the lower chuck body is provided with a mounting through hole, and an internal thread is arranged in the mounting through hole so as to be matched with an external thread at one end of the stud bolt to enable one end of the stud bolt to be fixed in the mounting through hole; the upper chuck body is fixedly connected with the lower chuck body, one end of the upper chuck body is provided with a fixing hole, and the fixing hole is fixedly connected with a wrench so as to drive the stud fixed in the mounting through hole to rotate through the wrench; the other end of the upper chuck body is positioned on one side of the opening of the mounting through hole so as to abut against and fix the stud which is screwed in the mounting through hole towards the direction of the upper chuck body and is in contact with the upper chuck body.
Description
Technical Field
The application relates to the technical field of double-end studs, in particular to a double-end stud chuck.
Background
Stud, also called stud or stud, both ends of stud are threaded, having the function of fixing and connecting machinery.
In the prior art, because both ends of the stud are provided with threads, the stud is usually assembled on a connecting body with a thicker thickness through one end of the thread, and then connected with another connecting body through the other end of the thread.
However, tightening the stud by directly applying a force to the threads on the two ends of the stud using a wrench or the like can damage the threads on the stud.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present application provides a stud chuck capable of fixing a stud and a wrench and assembling the stud by cooperating with the wrench, which is specifically referred to the following examples.
The application provides a stud dop includes:
the lower chuck body is provided with a mounting through hole, and an internal thread is arranged in the mounting through hole so as to be matched with an external thread at one end of the stud bolt to enable one end of the stud bolt to be fixed in the mounting through hole;
the upper chuck body is fixedly connected with the lower chuck body, one end of the upper chuck body is provided with a fixing hole, and the fixing hole is fixedly connected with a wrench so as to drive the stud fixed in the mounting through hole to rotate through the wrench; the other end of the upper chuck body is positioned on one side of the opening of the mounting through hole so as to abut against and fix the stud which is screwed in the mounting through hole towards the direction of the upper chuck body and is in contact with the upper chuck body.
Optionally, a boss is arranged on the upper chuck body, the boss is located on the upper chuck body and corresponds to one side of the opening of the mounting through hole so as to abut against the stud fixed in the mounting through hole, and the surface size of the boss is smaller than the section size of the mounting through hole.
Optionally, the stud chuck further comprises a clamping member;
the upper clamping head body is provided with a clamping through hole, the clamping through hole is arranged in the fixing hole, and the clamping piece penetrates through the clamping through hole to fix the wrench in the fixing hole.
Optionally, chamfers are arranged on two sides of the opening of the mounting through hole.
Optionally, the upper chuck body is provided with a concave hole, the concave hole is located on the upper chuck body, corresponds to the opening side position of the installation through hole and surrounds the opening side of the installation through hole, and the cross section size of the concave hole is larger than that of the installation through hole.
Optionally, the axis of the mounting through hole is on the same line with the axis of the fixing hole.
Optionally, the fixing hole is a square through hole.
Optionally, the lower chuck body and the upper chuck body are fixedly connected in a welding manner.
Optionally, the lower chuck body and the upper chuck body are fixedly connected in a threaded manner.
Optionally, the lower chuck body and the upper chuck body are made of 45 # steel.
According to the technical scheme, the method has the following advantages:
the lower chuck body is provided with a mounting through hole so that one end of the stud bolt is fixed in the mounting through hole; the upper chuck body is fixedly connected with the lower chuck body, one end of the upper chuck body is provided with a fixing hole, and the fixing hole is used for being fixedly connected with a wrench so as to drive the stud installed in the installation through hole to rotate through the wrench; the other end of the upper chuck body is positioned on one side of the opening of the mounting through hole so as to abut against and fixedly screw the stud which is arranged in the mounting through hole and is in contact with the upper chuck body, in short, after one end thread of the stud and the wrench are respectively fixed, the wrench can be rotated and the other end thread of the stud is screwed on the equipment to be assembled through the abutting fixing action of the lower end of the upper chuck body on the stud arranged in the mounting through hole, then the wrench can be reversely rotated so as to disassemble one end thread of the stud from the mounting through hole of the lower chuck body, and one end of the stud and the wrench can be fixed and matched with the wrench to assemble the stud.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a stud chuck according to the present application;
FIG. 2 is a schematic cross-sectional view of a lower chuck body of a stud chuck according to the present application;
fig. 3 is a schematic structural cross-sectional view of an upper chuck body of a stud chuck according to the present application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective components or constituent parts, and do not particularly limit specific mounting orientations of the respective components or constituent parts.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The application provides a stud dop can fix stud and spanner and cooperate the spanner to assemble stud.
Referring to fig. 1 to 3, a stud chuck of the present application includes:
the lower clamping head body 1 is provided with a mounting through hole 11, and internal threads are arranged in the mounting through hole 11 to match with external threads at one end of the stud bolt so that one end of the stud bolt is fixed in the mounting through hole 11;
the upper chuck body 2 is fixedly connected with the lower chuck body 1, one end of the upper chuck body 2 is provided with a fixing hole 21, and the fixing hole 21 is fixedly connected with a wrench so as to drive the stud fixed in the mounting through hole 11 to rotate through the wrench; the other end of the upper chuck body 2 is positioned at one side of the opening of the mounting through hole 11 to abut against a stud bolt which is fixedly arranged in the mounting through hole 11 and screwed towards the upper chuck body 2 and is contacted with the upper chuck body 2.
It should be noted that the head of the wrench is located in the fixing hole 21 to make the wrench and the upper chuck body 2 fixedly connected through the fixing hole 21, and the wrench rotates around the axis of the fixing hole 21 as the axis through the action of external force, so as to drive the stud in the mounting through hole 11 of the upper chuck body 2, the lower chuck body 1 and the lower chuck body 1 to rotate.
The specific assembly process of the stud is as follows: firstly, matching an external thread at one end of a stud with an internal thread in an installation through hole 11 of a lower chuck body 1, abutting and fixedly connecting the stud with an upper chuck body 2, and driving the upper chuck body 2 and the lower chuck body 1 through a wrench so as to drive the stud fixed on the lower chuck body 1 to rotate in the forward direction, and matching a thread at the other end of the stud so as to screw the other end of the stud into a reserved stud hole of equipment to be assembled; and finally, the wrench drives the lower chuck body 1 to rotate reversely, so that the lower chuck body 1 is separated from one end of the stud bolt, and the stud bolt is assembled on the equipment to be assembled. When the stud is screwed on the equipment to be assembled, the moment between the other end of the stud and the equipment to be assembled is greater than the moment between one end of the stud and the lower chuck body 1, so that when the lower chuck body 1 is driven by a wrench to rotate reversely, the stud and the equipment to be assembled are fixedly connected as much as possible and cannot rotate along with the rotation of the lower chuck body 1. It should be understood that the forward rotation and the reverse rotation of the upper chuck body 2 and the lower chuck body 1 with the wrench only indicate the opposite relationship between the two, that is, the forward rotation may be counterclockwise rotation or clockwise rotation, and is not limited herein.
It is understood that the wrench may be an electric wrench or a pneumatic wrench, and is not limited herein, and the wrench may have a high rotation speed and a low torque, so as to adapt to the rotation fit between the threads and reduce damage to the threads of the stud.
In the application, the lower chuck body 1 is provided with a mounting through hole 11, so that one end of the stud bolt is fixed in the mounting through hole 11; the upper chuck body 2 is fixedly connected with the lower chuck body 1, one end of the upper chuck body is provided with a fixing hole 21, and the fixing hole 21 is fixedly connected with a wrench so as to drive the stud installed in the installation through hole 11 to rotate through the wrench; the other end of the upper chuck body 2 is located on one side of the opening of the mounting through hole 11 so as to abut against the stud which is fixedly mounted in the mounting through hole 11 and is screwed towards the upper chuck body 2 and is in contact with the upper chuck body 2, in short, after one end thread of the stud and the wrench are respectively fixed, the wrench can be rotated and the stud mounted in the mounting through hole 11 is abutted and fixed through the lower end of the upper chuck body 2 so as to screw the other end thread of the stud on equipment to be assembled, then the wrench can be rotated reversely so as to detach one end thread of the stud from the mounting through hole 11 of the lower chuck body 1, and one end of the stud and the wrench can be fixed and can be matched with the wrench to assemble the stud.
Optionally, the upper chuck body 2 is provided with a boss 22, the boss 22 is located at a position on the upper chuck body 2 corresponding to one side of the opening of the mounting through hole 11 to abut against a stud fixed in the mounting through hole 11, and the surface size of the boss 22 is smaller than the cross-sectional size of the mounting through hole 11. It can be understood that, in the process of screwing the stud into the preformed hole of the device to be assembled, one end of the stud abuts against the upper chuck body 2, so that the stud is clamped in the mounting through hole 11, i.e., the stud and the upper chuck body 2 are kept relatively static, the stud can rotate along with the driving of the wrench, and the abutting contact between the stud and the upper chuck body 2 can generate static friction force, and the abutting contact position is the boss 22.
After the stud is screwed in a preformed hole of equipment to be assembled, the lower chuck body 1 needs to be separated from one end of the stud, the static friction force on the boss 22 in abutting contact between the stud and the upper chuck body 2 can possibly prevent one end of the stud from being separated from the lower chuck body 1, the surface size of the boss 22 is smaller than the cross section size of the installation through hole 11, and according to a calculation formula of the friction force, the stud can be conveniently unscrewed from the installation through hole 11 by reducing the contact area between the stud and the upper chuck body 2, and the situation that the stud is clamped in the installation through hole 11 is reduced.
Optionally, the stud chuck further comprises a clamping member;
the upper clamping head body 2 is provided with a clamping through hole 23, the clamping through hole 23 penetrates through the fixing hole 21, and the clamping piece penetrates through the clamping through hole 23 to fix the wrench in the fixing hole 21. It can be understood that the piece can be the pin to establish the card, be provided with on the spanner correspond with the spanner through-hole that the pin shape matches, the pin passes the card and establishes the spanner through-hole on through-hole 23 and the spanner to can be so that spanner and last dop body 2 fixed connection, wherein, the piece is established to the card also can be for supporting the top bolt, support the top bolt and pass the card and establish the through-hole 23 and support the spanner in the fixed orifices 21, thereby can be so that spanner and last dop body 2 fixed connection, the specific shape of the piece is established to the card does not do the injecing.
The fastening through hole 23 completely penetrates through the upper chuck body 2 to penetrate through the position of the fixing hole 21 so as to place a fastening piece to fix the wrench in the fixing hole 21, and the fastening through hole 23 can also partially penetrate through the upper chuck body 2, so that the fastening piece penetrates through the wrench to be fixed on the upper chuck body 2 or the fastening piece abuts against the wrench to be fixed on the chuck body.
Alternatively, both sides of the opening of the mounting through-hole 11 are provided with chamfers. The inclination angle of the chamfer can be 45 degrees to reduce the situation that the stud is clamped in the mounting through hole 11 of the lower chuck body 1 due to the deformation of the thread of the flash or the stud. It is worth mentioning that the length of the internal thread of the mounting through hole 11 in the lower chuck body 1 is shorter than that of the stud by more than 5 mm, so that the external thread of the stud is exposed out of the mounting through hole 11 of the lower chuck body 1, and the situation that the stud is clamped in the mounting through hole 11 of the lower chuck body 1 is reduced.
Optionally, the upper chuck body 2 is provided with a recessed hole 24, the recessed hole 24 is located on the upper chuck body 2 corresponding to the opening side of the mounting through hole 11 and surrounding the opening side of the mounting through hole 11, and the cross-sectional size of the recessed hole 24 is larger than the cross-sectional size of the mounting through hole 11. The concave hole 24 is arranged in a similar principle, so that when the stud is screwed into the mounting through hole 11 of the lower chuck body 1, a gap is formed between the external thread at one end of the stud and the lower chuck body 1, and the situation that the lower chuck body 1 is clamped with the stud due to irregular processing, deformation and the like of the top thread at one end of the stud is reduced.
The boss 22 may be located in the concave hole 24 and correspond to the top of the stud installed in the installation through hole 11 of the lower chuck body 1.
Alternatively, the axis of the mounting through-hole 11 is located on the same straight line as the axis of the fixing hole 21. It can be understood that the axis of the stud in the screwing rotation direction is the axis of the mounting through hole 11, and the axis of the mounting through hole 11 and the axis of the fixing hole 21 are located on the same straight line, so that the situation that the stud is displaced to affect the assembly of the stud when the wrench drives the upper chuck body 2 and the lower chuck body 1 to rotate can be reduced.
Alternatively, the fixing hole 21 is a square through hole. The cross-sectional shape of the fixing hole 21 may be a triangle, a quadrangle, a pentagon, or the like, and the cross-sectional size of the fixing hole 21 may be adapted to the shape of the head of the wrench, for example, the head of the wrench is a regular hexagonal cylinder, so that the cross-sectional shape of the fixing hole 21 may be just as large as the head of the wrench, so that the fixing hole 21 has a fixing function on the head of the wrench in the transverse direction.
Optionally, the lower chuck body 1 and the upper chuck body 2 are fixedly connected by welding. The middle position of the lower chuck body 1 is driven by a wrench of the upper chuck body 2 between the lower chuck body 1 and the upper chuck body 2, and the structural fixity of the lower chuck body 1 and the upper chuck body 2 can be improved by fixing the lower chuck body 1 and the upper chuck body 2 in a welding way such as brazing.
Optionally, the lower chuck body 1 and the upper chuck body 2 are fixedly connected in a threaded manner. The lower chuck body 1 and the upper chuck body 2 can be sleeved with each other, for example, the top of the lower chuck body 1 is sleeved outside the bottom of the upper chuck body 2, or the bottom of the upper chuck body 2 is sleeved outside the top of the lower chuck body 1, and the lower chuck body 1 and the upper chuck body 2 are fixed by the inner and outer threads respectively arranged on the upper chuck body 2 or the downward chuck body 1. The axes corresponding to the internal and external threads of the lower chuck body 1 and the upper chuck body 2 are not in the same line with the axes of the mounting through hole 11 and the fixing hole 21, so that the situation that the fixed connection between the upper chuck body 2 and the lower chuck body 1 is screwed or unscrewed along with a wrench in the process of screwing the stud is reduced.
Optionally, the lower chuck body 1 and the upper chuck body 2 are made of 45 steel. The carbon content of the No. 45 steel is 0.42 to 0.50; chromium: less than or equal to 0.25; manganese: 0.50 to 0.80; nickel: less than or equal to 0.25; phosphorus: less than or equal to 0.035; sulfur: less than or equal to 0.035; silicon: 0.17-0.37, and has higher strength and deformation resistance compared with the common A3 steel.
It should be noted that the above-mentioned application contents and the specific embodiments are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of protection of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A stud chuck, comprising:
the lower chuck body is provided with a mounting through hole, and an internal thread is arranged in the mounting through hole so as to be matched with an external thread at one end of the stud bolt to enable one end of the stud bolt to be fixed in the mounting through hole;
the upper chuck body is fixedly connected with the lower chuck body, one end of the upper chuck body is provided with a fixing hole, and the fixing hole is fixedly connected with a wrench so as to drive the stud fixed in the mounting through hole to rotate through the wrench; the other end of the upper chuck body is positioned on one side of the opening of the mounting through hole so as to abut against and fix the stud which is screwed in the mounting through hole towards the direction of the upper chuck body and is in contact with the upper chuck body.
2. The stud chuck as claimed in claim 1, wherein the upper chuck body is provided with a boss, the boss is located at a position on the upper chuck body corresponding to one side of the opening of the mounting through hole to abut against the stud fixed in the mounting through hole, and the surface size of the boss is smaller than the cross-sectional size of the mounting through hole.
3. The stud chuck as recited in claim 1 wherein the stud chuck further comprises a snap-fit member;
the upper clamping head body is provided with a clamping through hole which penetrates through the fixing hole, and the clamping piece penetrates through the clamping through hole to fix the wrench in the fixing hole.
4. The stud chuck as recited in claim 1 wherein the opening of the mounting through bore is chamfered on both sides.
5. The stud chuck as claimed in claim 1, wherein the upper chuck body is provided with a recess hole which is located at a position on the upper chuck body corresponding to and surrounding an opening side of the mounting through hole, and has a cross-sectional size larger than that of the mounting through hole.
6. The stud chuck as recited in claim 1 wherein the axis of the mounting through bore is collinear with the axis of the securing bore.
7. The stud chuck as recited in claim 1 wherein the securing hole is a square through hole.
8. The stud chuck as set forth in claim 1 wherein said lower chuck body is fixedly connected to said upper chuck body by welding.
9. The stud chuck as claimed in claim 1, wherein the lower chuck body is fixedly connected to the upper chuck body by means of a thread.
10. The stud chuck according to claim 1, wherein the lower chuck body and the upper chuck body are of steel 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000038.5U CN217582782U (en) | 2022-04-27 | 2022-04-27 | Double-end stud chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000038.5U CN217582782U (en) | 2022-04-27 | 2022-04-27 | Double-end stud chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582782U true CN217582782U (en) | 2022-10-14 |
Family
ID=83547640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221000038.5U Active CN217582782U (en) | 2022-04-27 | 2022-04-27 | Double-end stud chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582782U (en) |
-
2022
- 2022-04-27 CN CN202221000038.5U patent/CN217582782U/en active Active
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