Multi-connecting-rod clamping mechanism of testing fixture

Abstract

The utility model relates to a multi-connecting-rod clamping mechanism of a testing fixture, which comprises a base, a mounting seat is arranged on the base, a turnover arm is rotatably arranged on the mounting seat, a connecting block is arranged on the turnover arm, and a zero paste is arranged at the bottom of the connecting block; a threaded connecting rod is connected to the base in an inserted mode, one end of the threaded connecting rod extends upwards, a connecting rod is rotatably arranged at the other end of the threaded connecting rod, a pressing head is arranged at the other end of the connecting rod and located below the zero paste, and a clamp is arranged on the base. According to the clamping device, the transmission structure of the connecting rod mechanism and the threaded connecting rod is stable and reliable, and the stability and the accuracy of a part in a clamping state can be ensured. And due to the design of the overturning arm and the connecting block, the mechanism can adapt to parts of different shapes and sizes, and the universality and flexibility of the mechanism are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile manufacturing gauge inspection technical field, concretely is a kind of gauge multi-connecting rod clamping mechanism. BACKGROUND

[0002] In the automobile manufacturing industry, the precision requirement of key parts is extremely strict, especially on the core components related to safety and performance, such as engine cover, door, body structure, etc. Among them, part of the drawing clearly stipulates that the gauge reference surface must be set on the upper surface of the measured part. This requirement aims to ensure that the state of the part in the actual working environment can be simulated to the maximum extent during the detection process, so as to obtain the most accurate detection data. However, in order to realize the pressing of the gauge reference surface on the upper surface of the measured part from bottom to top, the past often uses complex mechanical structures, such as hydraulic or pneumatic driving systems. These mechanisms not only have complex design, but also require a large amount of precision machining and assembly work, resulting in high manufacturing cost. SUMMARY

[0003] The utility model provides a kind of gauge multi-connecting rod clamping mechanism to solve the above-mentioned part of the drawing requirement gauge reference surface on the upper surface of the measured part, pressing needs gauge pressure head from bottom to top to press, the past mechanism is complex, the problem of high manufacturing cost.

[0004] The technical scheme for solving the above technical problems of the utility model is as follows: a kind of gauge multi-connecting rod clamping mechanism, comprising:

[0005] A base is provided with a mounting seat, a turnover arm is rotatably arranged on the mounting seat, a connecting block is arranged on the turnover arm, and a zero sticker is arranged at the bottom of the connecting block.

[0006] A threaded connecting rod is inserted into the base, one end of the threaded connecting rod extends upward, a connecting rod is rotatably arranged at the other end of the threaded connecting rod, a pressure head is arranged at the other end of the connecting rod, the pressure head is located below the zero sticker, a clamp is arranged on the base, the clamp is located at the top end of the threaded connecting rod and is used to press the top end of the threaded connecting rod, a second support is arranged on the base, and the second support is hingedly connected to the middle part of the connecting rod.

[0007] Further, a C-shaped groove is arranged inside the mounting seat, two rotating shafts are rotatably arranged inside the C-shaped groove, and the turnover arm is rotatably arranged between the two rotating shafts.

[0008] Further, a stop block is arranged on the base, and the stop block is located on the side of the turnover arm away from the connecting block.

[0009] Further, a tightening bolt is threadedly connected above the turnover arm, and the tightening bolt penetrates the turnover arm and extends into the C-shaped groove.

[0010] Further, a through hole is formed in the base, and the threaded connecting rod is inserted into the through hole, with the top end of the threaded connecting rod extending below the clamp.

[0011] Further, the bottom end of the threaded connecting rod is provided with a bracket one, and the bottom of the bracket one and the bracket two are both provided with a U-shaped groove, and the connecting rod is connected with the bracket one.

[0012] The beneficial effects of the above further scheme are that the clamping and loosening of the parts can be achieved by pushing the clamp up and down, which is simple and fast. The transmission structure of the connecting rod mechanism and the threaded connecting rod is stable and reliable, which can ensure the stability and accuracy of the parts in the clamped state. The design of the turnover arm and the connecting block makes the mechanism adapt to parts of different shapes and sizes, improving its versatility and flexibility. The whole mechanism is compact and reasonable in design, occupying small space, and is convenient to use in limited working area. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The three-dimensional structure of the utility model is provided Figure 1 ;

[0014] Figure 2 The three-dimensional structure of the utility model is provided Figure 2 ;

[0015] Figure 3 The three-dimensional structure of the utility model is provided

[0016] In the drawings, the components represented by each reference numeral are listed as follows:

[0017] 1, base; 2, mounting seat; 3, turnover arm; 4, tightening bolt; 5, connecting block; 6, zero paste; 7, threaded connecting rod; 8, connecting rod; 9, pressure head; 10, clamp; 11, bracket two; 12, stop block; 13, rotating shaft; 14, bracket one. DETAILED DESCRIPTION

[0018] The principles and features of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0019] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", and "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be an integrally formed structure. For ordinary skilled in the art, the specific meaning of such terms in this patent can be understood according to the specific circumstances.

[0020] For example, Figures 1-3The utility model discloses a kind of multi-connecting rod clamping mechanisms of testing tool, it include: base 1, the base 1 is provided with mounting seat 2, the mounting seat 2 is rotatably provided with turnover arm 3, the turnover arm 3 is provided with connecting block 5, the connecting block 5 bottom is provided with zero paste 6;

[0021] The base 1 is inserted with threaded connecting rod 7, one end of the threaded connecting rod 7 extends upward, the other end of the threaded connecting rod 7 is rotatably provided with connecting rod 8, the other end of the connecting rod 8 is provided with pressure head 9, the pressure head 9 is below the zero paste 6, the base 1 is provided with clamp 10, the clamp 10 is located at the top end of the threaded connecting rod 7 and is used for pressing the top end of the threaded connecting rod 7, the base 1 has support two 11, the support two 11 is hinged with the middle part of the connecting rod 8. Wherein, the turnover arm 3 is threadedly connected with tightening bolt 4 above, the tightening bolt 4 penetrates turnover arm 3 and extends into C-shaped groove.

[0022] Turnover arm 3 rotates in the C-shaped groove of mounting seat 2 through rotating shaft 13, connecting block 5 and its bottom zero paste 6 are in initial position. Threaded connecting rod 7 is inserted in the through hole of base 1, one end of connecting rod 8 is rotatably connected with threaded connecting rod 7, and the other end is provided with pressure head 9.

[0023] The support two 11 is hinged with the middle part of the connecting rod 8, which provides a fulcrum for the movement of the connecting rod 8. The clamp 10 is located at the top end of the threaded connecting rod 7 and is in a loose state. Loosen the tightening bolt 4, open the turnover arm 3 and the connecting block 5, place the part against the stop block 12, and then put it into the appropriate position below the zero paste 6. Close the turnover arm 3 and fix it with the tightening bolt 4. Push the clamp 10 upwards, and the clamp 10 presses the top end of the threaded connecting rod 7.

[0024] Since the threaded connecting rod 7 is rotatably connected with the connecting rod 8, when the threaded connecting rod 7 is pressed by the clamp 10, it will push the left end of the connecting rod 8 downward. The right end of the connecting rod 8 thus moves upward, causing the pressure head 9 to clamp the part, and the upper surface of the part is in contact with the zero paste 6.

[0025] Press the clamp handle downward to loosen the top end of the threaded connecting rod 7. The transmission effect of the threaded connecting rod 7 is weakened or reversed, and the left end or opposite end of the connecting rod 8 moves upward. The right end of the connecting rod 8 thus moves downward, causing the pressure head 9 to loosen the part, and the upper surface of the part moves away from the zero paste 6.

[0026] The clamping and loosening of the part can be achieved by pushing the clamp 10 up and down, which is simple and convenient.

[0027] The connecting rod 8 mechanism and the transmission structure of the threaded connecting rod 7 are stable and reliable, which can ensure the stability and accuracy of the parts in the clamped state. The design of the turnover arm 3 and the connecting block 5 enables the mechanism to adapt to parts of different shapes and sizes, improving its versatility and flexibility. The entire mechanism is compact and reasonable in design, occupying a small space and being convenient to use in a limited working area.

[0028] In one of the examples, a C-shaped groove is provided inside the mounting seat 2, and two rotating shafts 13 are rotatably arranged inside the C-shaped groove. The turnover arm 3 is rotatably arranged between the two rotating shafts 13.

[0029] The mounting seat 2 is a component fixed on the base 1, used to support and rotate the turnover arm 3. Inside the mounting seat 2, a C-shaped groove is designed, and on the inner side of the C-shaped groove, i.e. on the two parallel side walls, a rotating shaft 13 is rotatably arranged respectively. The two rotating shafts 13 are parallel, and their axes are perpendicular to the opening direction of the C-shaped groove. The rotating shaft 13 provides a rotating fulcrum, enabling the turnover arm 3 to rotate around it.

[0030] Through the design of the C-shaped groove and the rotating shaft 13, the turnover arm 3 can stably rotate, and its rotation range is limited, avoiding damage or instability caused by excessive rotation.

[0031] In one of the examples, a stop block 12 is provided on the base 1, which is located on the side of the turnover arm 3 away from the connecting block 5.

[0032] When the turnover arm 3 is opened, the stop block 12 plays a positioning role. It limits the rotation range of the turnover arm 3, preventing it from excessive rotation and hitting other parts of the base 1 or adjacent mechanisms, thereby ensuring the safety and stability of the mechanism.

[0033] When placing the parts, the stop block 12 can serve as a reference point or support point. The operator can place the part against the stop block 12, and then place it into the appropriate position below the clamp 6. In this way, the stop block 12 plays a role in assisting the positioning of the parts, making the placement of the parts more accurate and convenient.

[0034] In this embodiment, a through hole is provided on the base 1, and the threaded connecting rod 7 is inserted into the through hole, with the top end of the threaded connecting rod 7 extending below the clamp 10. In one of the examples, the threaded connecting rod 7 is provided with a bracket one 14 at the bottom end, and the bracket one 14 and the bracket two 11 both have U-shaped grooves at the bottom, and the connecting rod 8 is connected to the bracket one 14.

[0035] It should be noted that, in the present text, the terms "comprises", "comprising", "includes", "including" or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise, include, or are including elements do not include only those elements but can also include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses. Unless otherwise defined, the terms "mounting", "connected", "connecting" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be internal communication of two elements. 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.

[0036] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0037] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A multi-link clamping mechanism for a gauge, characterized in that, include: A base (1) is provided with a mounting seat (2), a rotating arm (3) is rotatably provided on the mounting seat (2), a connecting block (5) is provided on the rotating arm (3), and a zero sticker (6) is provided at the bottom of the connecting block (5). A threaded connecting rod (7) is inserted into the base (1). One end of the threaded connecting rod (7) extends upward, and a connecting rod (8) is rotatably provided at the other end of the threaded connecting rod (7). A pressure head (9) is provided at the other end of the connecting rod (8). The pressure head (9) is located below the zero patch (6). A clamp (10) is provided on the base (1). The clamp (10) is located at the top of the threaded connecting rod (7) and is used to press the top of the threaded connecting rod (7). A second bracket (11) is provided on the base (1). The second bracket (11) is hinged to the middle of the connecting rod (8).

2. The multi-link clamping mechanism for a gauge according to claim 1, characterized in that, The mounting base (2) has a C-shaped groove inside, and two rotating shafts (13) are rotatably arranged inside the C-shaped groove. The flipping arm (3) is rotatably arranged between the two rotating shafts (13).

3. The multi-link clamping mechanism for a gauge according to claim 2, characterized in that, A stop (12) is provided on the base (1), and the stop (12) is located on the side of the flip arm (3) away from the connecting block (5).

4. The multi-link clamping mechanism for a gauge according to claim 3, characterized in that, A tightening bolt (4) is threadedly connected above the flipping arm (3), and the tightening bolt (4) passes through the flipping arm (3) and extends into the C-shaped groove.

5. The multi-link clamping mechanism for a gauge according to claim 1, characterized in that, The base (1) has a through hole, and the threaded rod (7) is inserted into the through hole. The top end of the threaded rod (7) extends to the bottom of the clamp (10).

6. The multi-link clamping mechanism for a gauge according to claim 1, characterized in that, The bottom end of the threaded connecting rod (7) is provided with a bracket (14), and the bottom of both the bracket (14) and the bracket (11) has a U-shaped groove. The connecting rod (8) is connected to the bracket (14).

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