CN216803095U - High-precision long-life automobile C-shaped clamp - Google Patents
High-precision long-life automobile C-shaped clamp Download PDFInfo
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- CN216803095U CN216803095U CN202122786597.5U CN202122786597U CN216803095U CN 216803095 U CN216803095 U CN 216803095U CN 202122786597 U CN202122786597 U CN 202122786597U CN 216803095 U CN216803095 U CN 216803095U
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- shaped clamp
- clamp body
- fixing part
- positioning
- stud
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Abstract
The utility model relates to a high-precision long-life automobile C-shaped clamp which comprises a C-shaped clamp body, wherein one end of the clamp body is hinged with a telescopic clamping rod, the other end of the clamp body is connected with a fixing part, a positioning needle is arranged on the fixing part, and a positioning hole matched with the positioning needle is formed in the end part of the telescopic clamping rod. The fixing part is provided with a positioning needle which is matched with a positioning hole on the workpiece, so that the workpiece is positioned when fixed, and the high precision of the fixed position is ensured.
Description
Technical Field
The utility model relates to a clamp, in particular to a high-precision long-life automobile C-shaped clamp.
Background
The jig is a device for fixing a processing object to occupy a correct position to receive construction or inspection in a machine manufacturing process. In addition to the fixtures used during manufacturing, fixtures are also used in various assemblies. For example, in automobile assembly, welding is a common fixed connection mode, a workpiece to be welded needs to be accurately fixed according to the position during welding, a positioning part is mostly installed on a tooling table by a conventional means at the moment, a positioning hole of the workpiece corresponds to the positioning part, the two workpieces are fixed together through a clamp, the positioning part positions the workpiece, and the position accuracy between the two workpieces to be welded and fixed is high.
However, sometimes the positioning component is not mounted on the worktable, the position accuracy between the worktable and the workpiece cannot be ensured by the clamp alone, and the position accuracy of the workpiece needs to be ensured by other components before the workpiece is clamped by the clamp, so that the workpiece cannot be finished at one time.
Disclosure of Invention
The utility model solves the defects that the existing clamp cannot calibrate the position of a workpiece and ensure the position precision of the workpiece, and provides the automobile C-shaped clamp with high precision and long service life.
The specific technical scheme of the utility model is as follows: the utility model provides a high accuracy long-life car C word presss from both sides, is including the clamp that is C shape, and the one end spiro union of clamp has flexible clamping bar, and the fixed part is connected to the other end of clamp, sets up the pilot pin on the fixed part, and the tip of flexible clamping bar is provided with can with pilot pin matched with locating hole.
The telescopic clamping rod is generally a screw rod, the end part of the screw rod is connected with a clamping head, so that the position of the clamping head can be changed by rotating the screw rod, one end of a clamp body of the C-shaped clamp is connected with a fixing part, a positioning needle is arranged on the fixing part, and the positioning needle is matched with a positioning hole in a workpiece, so that the positioning of the workpiece during fixing is realized, and the high precision of the fixing position is ensured, therefore, a connecting structure is arranged between the fixing part and the clamp body, but not an integral structure with the clamp body, and by adopting the mode, the position of the fixing part relative to the clamp body can be adjusted, so that the space between the fixing part and the end part of the telescopic clamping rod is increased, and the clamping requirement of the workpiece with larger thickness is met; the end part of the telescopic clamping rod is provided with the positioning hole, and when the thickness of a workpiece is smaller, the positioning needle can be inserted into the positioning hole, so that the workpiece cannot be blocked from being clamped tightly.
Preferably, the two ends of the clamp body are respectively a screw joint end and a connecting end, the screw joint end is provided with a through inner screw hole, the axis direction of the inner screw hole is parallel to the length direction of the clamp body, the connecting end is provided with a connecting screw hole, and the axis of the connecting screw hole is vertical to the axis of the inner screw hole; the fixing part is connected with the connecting end in a threaded connection mode. The fixing part is connected with the connecting end in a threaded connection mode, and the threaded connection mode is that the fixing part is connected with a connecting screw hole of the connecting end.
Preferably, the distance between the threaded end and the back face of the clamp body is greater than the distance between the connecting end and the back face of the clamp body, and the axis of the inner threaded hole and the end face of the connecting end are avoided.
Preferably, the fixing part is provided with a stud, and the stud is perpendicular to the positioning needle.
Preferably, the fixing portion has a cylindrical shape, the positioning pin is provided at an axial position of the cylinder, and the stud is fixed to a side surface of the cylinder.
Preferably, the fixing part comprises a connecting plate and an end head arranged at the end part of the connecting plate, the positioning needle is arranged on the end head, and the connecting plate is provided with a stud. Through the extension of connecting plate for the distance increase between the tip of pilot pin and flexible clamping bar, make things convenient for the fixed great work piece of thickness of centre gripping.
Preferably, the stud is perpendicular to the back of the connecting plate, and the positioning pin is parallel to the surface of the connecting plate.
The utility model has the beneficial effects that: the fixing part is provided with a positioning needle which is matched with a positioning hole on the workpiece, so that the workpiece is positioned when fixed, and the high precision of the fixed position is ensured.
Drawings
FIG. 1 is a schematic diagram of one configuration of the present invention;
FIG. 2 is a schematic structural view of another fixing portion of the present invention;
in the figure: 1. the clamp comprises a clamp body, 2, a screw joint end, 3, a screw rod, 4, a handle, 5, a clamping head, 6, a positioning hole, 7, a positioning needle, 8, a fixing part, 9, a stud, 10, a locknut, 11, a connecting end, 12, a connecting plate, 13 and a tip.
Detailed Description
The utility model is further described by the following specific embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in figure 1, the high-precision long-service-life automobile C-shaped clamp comprises a C-shaped clamp body 1, a telescopic clamping rod is screwed at one end of the clamp body, the other end of the clamp body is connected with a fixing portion 8, a positioning needle 7 is arranged on the fixing portion, and a positioning hole 6 matched with the positioning needle is formed in the end portion of the telescopic clamping rod.
The both ends of clamp are spiro union end 2 and link 11 respectively, and the spiro union end is provided with the interior screw hole that link up, and the axis direction of interior screw hole is parallel with the length direction of clamp, is provided with the connection screw on the link, and the axis of connecting the screw is mutually perpendicular with the axis of interior screw hole. The distance between the back faces of the opposite clamp bodies of the screw joint ends is greater than the distance between the back faces of the opposite clamp bodies of the connecting ends, and the axis of the inner screw hole is avoided from the end faces of the connecting ends.
The telescopic clamping rod comprises a screw rod 3, a clamping head 5 fixedly connected to the end of the screw rod and a handle 4 arranged at the tail end of the screw rod, the axis of the clamping head is provided with the positioning hole, and the handle is perpendicular to the axis of the screw rod. The screw rod is fixedly connected with the clamping head, the tail end of the screw rod is processed into a polygonal shape, a handle sleeve is arranged in the middle of the handle and is cylindrical, a polygonal hole is formed in the axis of the cylinder, and the polygonal tail end of the screw rod is inserted into the polygonal hole in the middle of the handle sleeve and locked through a screw. The screw rod is matched with the inner screw hole of the screw connection end of the clamp body.
The fixing part is cylindrical, the positioning needle is arranged on the end face of the fixing part and is positioned on a cylindrical shaft of the fixing part, a stud 9 for connection is arranged on the side face of the fixing part, the stud is connected with a connection screw hole of the connecting end, a locknut 10 is screwed on the stud, and after the stud is matched with the connection screw hole, the position of the positioning needle is determined and then locked through the locknut.
Example 2:
as shown in fig. 2, the C-shaped clamp for the automobile with high precision and long service life is different from embodiment 1 in that the fixing part comprises a connecting plate 12 and an end head 13 arranged at the end part of the connecting plate, the positioning pin is arranged on the end head, and the connecting plate is provided with a stud. The stud and the positioning pin are positioned at two sides of the connecting plate, and the axis of the stud is vertical to the axis of the positioning pin. The positioning pin is arranged on the end head of one end of the connecting rod, and the stud is arranged at the other end of the connecting plate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (7)
1. The automobile C-shaped clamp with high precision and long service life is characterized by comprising a C-shaped clamp body (1), wherein one end of the clamp body is in threaded connection with a telescopic clamping rod, the other end of the clamp body is connected with a fixing part (8), a positioning needle (7) is arranged on the fixing part, and a positioning hole (6) matched with the positioning needle is formed in the end part of the telescopic clamping rod.
2. The high-precision long-life automobile C-shaped clamp is characterized in that a bolt joint end (2) and a connecting end (11) are respectively arranged at two ends of a clamp body, the bolt joint end is provided with a through inner screw hole, the axis direction of the inner screw hole is parallel to the length direction of the clamp body, the connecting end is provided with a connecting screw hole, and the axis of the connecting screw hole is perpendicular to the axis of the inner screw hole; the fixing part is connected with the connecting end in a threaded connection mode.
3. A high accuracy long life C-shaped clamp for vehicle as claimed in claim 2 wherein the distance between the screw threaded end and the back of the clamp body is greater than the distance between the connecting end and the back of the clamp body, the axis of the internal screw hole avoiding the end face of the connecting end.
4. A C-shaped clamp for high-precision long-life automobile according to claim 1, 2 or 3, characterized in that a stud (9) is arranged on the fixing part, and the stud is perpendicular to the positioning needle.
5. A high accuracy long life C-shaped clamp for vehicle as claimed in claim 4, wherein said fixing portion is cylindrical, said positioning pin is disposed at the axial position of said cylinder, and said stud is fixed to the side of said cylinder.
6. A C-shaped clamp for automobiles with high precision, long service life as claimed in claim 1, 2 or 3, characterized in that the fixing part comprises a connecting plate (12), a head (13) arranged at the end of the connecting plate, a positioning pin arranged on the head, and a stud arranged on the connecting plate.
7. A high-precision long-life automobile C-shaped clamp as claimed in claim 6, wherein the stud is perpendicular to the back surface of the connecting plate, and the positioning pin is parallel to the surface of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122786597.5U CN216803095U (en) | 2021-11-15 | 2021-11-15 | High-precision long-life automobile C-shaped clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122786597.5U CN216803095U (en) | 2021-11-15 | 2021-11-15 | High-precision long-life automobile C-shaped clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216803095U true CN216803095U (en) | 2022-06-24 |
Family
ID=82049641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122786597.5U Active CN216803095U (en) | 2021-11-15 | 2021-11-15 | High-precision long-life automobile C-shaped clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216803095U (en) |
-
2021
- 2021-11-15 CN CN202122786597.5U patent/CN216803095U/en active Active
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