Supporting, positioning and clamping integrated pin for closed or semi-closed cavity part

Abstract

The utility model relates to the field of automobile measurement, in particular to a supporting, positioning and clamping integrated pin for closed or semi-closed cavity parts. The clamping device can solve the problem that a closed cavity part cannot be positioned and clamped. The interior of the outer pin body is of a cavity structure, a positioning pin matched with a part cavity is arranged at the upper end of the outer pin body, a positioning supporting face is formed at the joint of the positioning pin and the outer pin body, a connecting rod pressing head in the cavity of the outer pin body penetrates through the positioning pin and extends to the outside, and a pressing head on the upper portion of the connecting rod pressing head can press the positioning supporting face. The connecting rod pressing head is connected with the guide connecting rod through a connecting pin, a guide groove forming a certain angle with the horizontal direction is formed in the lower portion of the connecting rod pressing head, and the two ends of the guide pin penetrate through the guide groove to be fixed to the inner wall of the outer pin body. The bottom of the guide connecting rod is connected with a handle bolt through external threads. The supporting, positioning and clamping integrated pin is simple in structure, easy to machine and low in price, and the defect that a closed or semi-closed cavity cannot be positioned and pressed due to space limitation is overcome.

Description

Technical Field

[0001] The utility model relates to the field of automobile measurement, in particular to a supporting, positioning and clamping integrated pin for closed or semi-closed cavity parts. Background Art

[0002] For closed or semi-closed parts, when the positioning hole and positioning surface are located inside the cavity, the positioning pin needs to be inserted into the positioning hole, the positioning surface needs to be supported by the part, and a clamp is arranged to press the part and the positioning surface. However, due to the cavity structure, it is impossible to arrange a clamp to press. Therefore, a new type of structural pin is needed to achieve the function of supporting positioning and clamping at the same time to solve the above problem. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part.

[0004] In order to solve the problem that closed cavity parts cannot be positioned and clamped, the utility model provides the following technical solutions: a supporting, positioning and clamping integrated pin for closed or semi-closed cavity parts, the interior of the outer pin body is a cavity structure, the upper end of the outer pin body is a positioning pin that matches the part cavity, the connection between the positioning pin and the outer pin body forms a positioning support surface, the connecting rod pressure head in the cavity of the outer pin body passes through the positioning pin and extends to the outside, and the pressure head on the upper part of the connecting rod pressure head can press the positioning support surface; the connecting rod pressure head is connected to the guide connecting rod through a connecting pin, and the lower part of the connecting rod pressure head is provided with a guide groove at a certain angle to the horizontal direction, and the two ends of the guide pin pass through the guide groove and are fixed to the inner wall of the outer pin body.

[0005] The supporting, positioning and clamping integrated pin of the above-mentioned closed or semi-closed cavity part, the bottom of the guide rod is connected to the handle bolt through an external thread.

[0006] The above-mentioned one-piece support, positioning and clamping pin for a closed or semi-closed cavity part has a top screw at the bottom of the outer side of the outer pin body, and an annular groove at the outer side of the upper part of the handle bolt, and the top screw passes through the outer pin body and is inserted into the annular groove.

[0007] The above-mentioned supporting, positioning and clamping integrated pin of a closed or semi-closed cavity part has a guide sleeve on the outside of the outer pin body, in which the outer pin body can slide, and the limiting pin passes through the guide sleeve and is inserted into the limiting guide hole of the outer pin body.

[0008] The above-mentioned one-piece support, positioning and clamping pin of a closed or semi-closed cavity part has a limiting guide sleeve disposed outside the limiting pin.

[0009] The above-mentioned one-piece support, positioning and clamping pin for a closed or semi-closed cavity part has an anti-rotation pin on one side of the guide sleeve, and a slot is axially arranged on the outer side of the guide sleeve, and the anti-rotation pin is connected to the guide sleeve through the slot.

[0010] The beneficial effect of the utility model is that the connecting rod pressure head, the guide rod and the handle bolt are fixed and connected by the positioning guide pin and the connecting pin to form a connecting rod structure, and the movement of the connecting rod pressure head is controlled by the handle bolt, which solves the problem that the closed or semi-closed cavity cannot be positioned and pressed due to space limitations, and can achieve pressing in a small space. The utility model has a simple structure and is easy to process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a left view of the structural schematic diagram of the utility model.

[0013] Figure 3 yes Figure 1 Schematic cross-sectional view of the structure shown.

[0014] Figure 4 yes Figure 2 Schematic cross-sectional view of the structure shown.

[0015] Figure 5 The supporting positioning clamping integrated pin is in an unclamped state.

[0016] Figure 6 It is the clamping state of the supporting positioning clamping integrated pin.

[0017] Figure 7 It is a cross-sectional view of the clamping state of the supporting positioning clamping integrated pin.

[0018] Explanation of numbers in the figure: 1 handle bolt, 2 outer pin body, 3 guide connecting rod, 4 guide sleeve, 5 connecting pin, 6 fixed guide pin, 7 connecting rod pressure head, 8 top screw, 9 limiting guide sleeve, 10 limiting plug, 11 anti-rotation pin, 12 positioning support surface, 13 positioning pin, 14 guide groove, 15 pressure head, 16 inspection body, 17 cavity parts. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] A support, positioning and clamping integrated pin for closed or semi-closed cavity parts, the outer pin body 2 has a cavity structure inside, the upper end of the outer pin body 2 is a positioning pin 13 matching the part cavity, the connection between the positioning pin 13 and the outer pin body 2 forms a positioning support surface 12, the connecting rod pressure head 7 inside the outer pin body 2 passes through the positioning pin 13 and extends to the outside, and the pressure head 15 on the upper part of the connecting rod pressure head 7 can press the positioning support surface 12; the connecting rod pressure head 7 is connected to the guide connecting rod 3 through the connecting pin 5, and the lower part of the connecting rod pressure head 7 is provided with a guide groove 14 at a certain angle to the horizontal direction, and the two ends of the guide pin 6 pass through the guide groove 14 and are fixed to the inner wall of the outer pin body 2. The connecting rod pressure head 7 can move along the track of the guide groove 14 by fixing the guide pin 6.

[0021] The bottom end of the guide rod 3 is an external thread, and the bottom of the guide rod 3 is connected to the handle bolt 1 through the external thread. A top screw 8 is provided at the bottom of the outer side of the outer pin body 2, and an annular groove is provided at the corresponding position on the outer side of the upper part of the handle bolt 2, and the top screw 8 passes through the outer pin body 2 and is inserted into the annular groove.

[0022] The outer guide sleeve 4 of the outer pin body 2, the outer pin body 2 can slide in the guide sleeve 4, the limit pin 10 passes through the guide sleeve 4, and is inserted into the limit guide hole of the outer pin body 2, so that the position of the outer pin body 2 is fixed, and the position of the positioning support surface 12 and the positioning pin 13 of the outer pin body 2 is determined, and a limit guide sleeve 9 is provided outside the limit pin 10. The outer pin body 2 and the guide sleeve 4 are slidably matched to realize the insertion and retraction functions.

[0023] An anti-rotation pin 11 is provided on one side of the guide sleeve, and a slot is provided axially on the outer side of the guide sleeve 4, through which the anti-rotation pin 11 is connected to the guide sleeve 4. The anti-rotation pin 11 can effectively prevent the guide sleeve 4 from rotating.

[0024] like Figure 1-Figure 7 As shown, when in use, insert the positioning pin 13 into the cavity of the cavity part 17, the positioning support surface 12 contacts the outside of the cavity part 17, and insert the limit pin 10 through the guide sleeve 4 and into the limit guide hole of the outer pin body 2, so that the positioning support surface 12 and the positioning pin 13 of the outer pin body 2 are fixed. Rotate the handle bolt 1 to move the connecting rod 3 upward, and then push the guide groove 14 of the connecting rod pressure head 7 to move under the action of the fixed guide pin. Since the guide groove 14 and the horizontal direction form a certain angle, the pressure head 15 is lifted obliquely upward. Rotate the handle bolt 1 in the opposite direction, the connecting rod 3 moves downward, the connecting rod pressure head 7 falls back, and the pressure head 15 is pressed onto the inner wall of the cavity part 17 to clamp the parts.

Claims

1. A support, positioning and clamping integrated pin for a closed or semi-closed cavity part, characterized in that: The interior of the outer pin body (2) is a hollow structure. The upper end of the outer pin body (2) is a positioning pin (13) that matches the part cavity. The connection between the positioning pin (13) and the outer pin body (2) forms a positioning support surface (12). The connecting rod pressure head (7) in the cavity of the outer pin body (2) passes through the positioning pin (13) and extends to the outside. The pressure head (15) on the upper part of the connecting rod pressure head (7) can press the positioning support surface (12); the connecting rod pressure head (7) is connected to the guide rod (3) through the connecting pin (5). The lower part of the connecting rod pressure head (7) is provided with a guide groove (14) that is at a certain angle to the horizontal direction. The two ends of the guide pin (6) pass through the guide groove (14) and are fixed to the inner wall of the outer pin body (2).

2. The supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part according to claim 1, characterized in that: The bottom of the guide rod (3) is connected to the handle bolt (1) via an external thread.

3. The supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part according to claim 2, characterized in that: A top screw (8) is provided at the bottom of the outer side of the outer pin body (2), and an annular groove is provided at the outer side of the upper part of the handle bolt (1). The top screw (8) passes through the outer pin body (2) and is inserted into the annular groove.

4. The supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part according to claim 1, characterized in that: A guide sleeve (4) is provided on the outside of the outer pin body (2), and the outer pin body (2) can slide in the guide sleeve (4). The limit pin (10) passes through the guide sleeve (4) and is inserted into the limit guide hole of the outer pin body (2).

5. The supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part according to claim 1, characterized in that: A limiting guide sleeve (9) is arranged outside the limiting latch pin (10).

6. The supporting, positioning and clamping integrated pin for a closed or semi-closed cavity part according to claim 1, characterized in that: An anti-rotation pin (11) is provided on one side of the guide sleeve, and a clamping groove is provided on the outer side of the guide sleeve (4) along the axial direction, and the anti-rotation pin (11) is connected to the guide sleeve (4) through the clamping groove.

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