Adjustable positioning tool

Abstract

The utility model discloses an adjustable positioning tool, and belongs to the technical field of automobiles. The device mainly comprises a clamping mechanism, a connecting device and a sliding mechanism, and is characterized in that the clamping mechanism comprises a V-shaped clamp, a plurality of rubber pads are fixedly connected to the interior of a V opening of the V-shaped clamp, a first ratchet disc is fixedly connected to the other side of the V-shaped clamp, a limiting column is fixedly connected to the middle of the first ratchet disc, one end of the limiting column is rotationally connected with a first limiting device, and the other end of the limiting column is rotationally connected with a second limiting device. The limiting column is slidably connected with a second ratchet disc, the sides, with ratchets, of the first ratchet disc and the second ratchet disc are opposite in a pairwise mode, one side of the second ratchet disc is fixedly connected with a first spring, the other side of the first spring is fixedly connected with a first limiting column, one side of the first limiting column is fixedly connected with a threaded column, and the periphery of the threaded column is connected with a second spring in a nested mode. The threaded column is further movably connected with a gasket and a nut. The clamping mechanism in the device can be used for clamping devices to be clamped in different shapes.

Description

Technical Field

[0001] This utility model belongs to the field of automotive technology, and more specifically, it relates to an adjustable positioning tooling. Background Technology

[0002] Indoor bench testing is an important means of accelerating the verification of automobiles and system components. Bench testing refers to a complex working system composed of control systems, drive equipment, connecting fixtures, test specimens, and simulated load devices in a standard laboratory environment. The main time spent in the bench testing setup process is in the installation of the test specimens.

[0003] Positioning fixtures are required during the installation of test specimens on the bench. Existing positioning fixtures generally use screws for up and down adjustment, which is time-consuming and labor-intensive, has low adaptability, and is inconvenient for operators to use.

[0004] Patent publication number "CN222386261U" discloses an adjustable cylindrical positioning fixture, including a placement platform fixed inside a fixed base, a cylindrical body positioned at the top of the placement platform, a positioning clamping mechanism on the inner side of the fixed base, and a lifting mechanism at the top of the placement platform. The positioning clamping mechanism includes: a clamping component disposed inside the fixed base; a connecting component disposed at the connection between the clamping component and the fixed base; and a guiding component disposed inside the connecting component. While the above patent solves the problem of clamping cylindrical structures, it cannot achieve stable clamping for other shapes, especially irregularly shaped devices.

[0005] To address the aforementioned technical problems, this application proposes a solution. Utility Model Content

[0006] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an adjustable positioning fixture, wherein the clamping mechanism inside the device can clamp devices of different shapes.

[0007] An adjustable positioning fixture includes a clamping mechanism, a connecting device, and a sliding mechanism. The clamping mechanism comprises a V-shaped clamp with multiple rubber pads fixedly connected inside the V-shaped opening. A ratchet disc is fixedly connected to the other side of the V-shaped clamp. A limiting post is fixedly connected to the middle of the ratchet disc. A limiting post is rotatably connected to one end of the limiting post. A second ratchet disc is slidably connected to the limiting post. The ratchet discs 1 and 2 face each other on their ratchet-toothed sides. A spring is fixedly connected to one side of the second ratchet disc. The other side of the spring is fixedly connected to the limiting post. A threaded post is fixedly connected to one side of the limiting post. A second spring is nested around the threaded post. A washer and a nut are also movably connected to the threaded post.

[0008] Preferably, the connecting device includes a vertical plate, one end of which is provided with a through hole 1 that is slidably connected to the threaded column, and the other end of which is provided with a through hole 2. Triangular limiters are fixedly connected to the vertical plates on both sides of the through hole 2.

[0009] Preferably, the through hole one in the connecting device is slidably connected to the threaded post in the clamping mechanism, the spring two abuts against one side of the upright plate, and the gasket abuts against the other side of the upright plate.

[0010] Preferably, the sliding mechanism includes a fixed box, the upper end of which is provided with multiple through slots I, the interior of which is provided with multiple sliding rods in the same direction as the through slots, the bottom of the through slot I in the middle of the fixed box is provided with a bidirectional lead screw rotatably connected to the fixed box, the fixed box on one side of the through slot I in the middle is provided with a through slot II, a locking tooth is rotatably connected to the through slot II, a ratchet is fixedly connected to the bidirectional lead screw at the bottom of the through slot II, one side of the locking tooth abuts against the ratchet, and the extended end of the bidirectional lead screw passes through the outside of the fixed box and is fixedly connected to a handwheel.

[0011] Preferably, the through hole on one side of the connecting device is slidably connected to the bidirectional lead screw and the slide rod, the triangular limiting side of the connecting device abuts against the upper end face of the fixing box, each bidirectional lead screw and slide rod has two connecting devices, the bidirectional lead screw is threaded with two connecting plates, the connecting plates are slidably connected to multiple slide rods, and each connecting plate is fixedly connected to the connecting devices on different slide rods.

[0012] Preferably, the V-shaped clamps in the clamping mechanisms of the two connecting devices on the same bidirectional lead screw or the same slide rod are opposite each other.

[0013] Preferably, the sliding mechanism is provided with a telescopic device at the bottom, the telescopic end of the telescopic device is fixedly connected to the fixed box in the sliding mechanism, a base plate is fixedly connected to the bottom of the telescopic device, four lockable casters are fixedly connected to the bottom of the base plate, a hydraulic device is fixedly connected to one side of the base plate of the telescopic device, the hydraulic device is connected to the inside of the telescopic device, and a pressure relief valve is provided at the bottom of the telescopic device.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes a clamping mechanism to grip devices of different shapes and structures. Simply turning the handwheel causes the clamping mechanisms on both sides to move closer together. For devices of different shapes, multiple clamping mechanisms on both sides approach the device to be clamped. The clamping mechanism that first contacts the device retracts due to the action of spring two, while the clamping mechanism that contacts the device later continues forward until the device is secured. One side of the V-shaped clamp also features a ratchet disc and a second ratchet disc. The cooperation of the ratchet discs allows the V-shaped clamp to rotate and lock, better gripping devices of different shapes. Furthermore, the device has lockable casters at the bottom, allowing the device to be moved to any position and secured. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the clamping mechanism;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure of part A;

[0019] Figure 4 This is a schematic diagram of the sliding mechanism;

[0020] Figure 5 for Figure 4 A structural diagram of section B;

[0021] Figure 6 A schematic diagram of the sliding mechanism from another perspective;

[0022] Figure 7 for Figure 6 A structural diagram of section C;

[0023] Figure 8 This is a schematic diagram of the sliding mechanism from the upper view.

[0024] Figure 9 This is a schematic diagram of the connecting device.

[0025] In the diagram: 1. Lockable caster wheel; 2. Telescopic device; 201. Base plate; 202. Hydraulic device; 3. Handwheel; 4. Sliding mechanism; 401. Fixing box; 402. Through slot one; 403. Two-way lead screw; 404. Slide rod; 405. Through slot two; 406. Connecting plate; 407. Ratchet; 408. Clamping tooth; 5. Connecting device; 501. Through hole one; 502. Vertical plate; 503. Triangular limiter; 504. Through hole two; 6. Clamping mechanism; 601. V-clamp; 602. Rubber pad; 603. Ratchet one; 604. Ratchet two; 605. Spring one; 606. Limiter one; 607. Spring two; 608. Limiter post; 609. Threaded post; 610. Washer; 611. Nut. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings:

[0027] The directional terms used in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application based on the visual orientation shown in the accompanying drawings. Unless otherwise expressly specified and limited, the terms "setting," "installation," "connection," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] like Figures 1 to 9 As shown, an adjustable positioning fixture can clamp devices of different shapes, including a clamping mechanism 6, a connecting device 5, and a sliding mechanism 4, such as... Figure 2 and Figure 3 As shown, the clamping mechanism 6 includes a V-shaped clamp 601. Multiple rubber pads 602 are fixedly connected inside the V-shaped opening of the V-shaped clamp 601. The rubber pads 602 serve to buffer and increase friction, and also to prevent the V-shaped clamp 601 from directly contacting the device to be clamped, thus preventing damage. A ratchet disc 603 is fixedly connected to the other side of the V-shaped clamp 601. A limiting post 608 is fixedly connected in the middle of the ratchet disc 603. One end of the limiting post 608 is rotatably connected to a limiting post 606. A second ratchet disc 604 is slidably connected to the limiting post 608. The ratchet discs 603 and 604 face each other on the sides with ratchet teeth. The advantage of this design is that the V-shaped clamp can be rotated to adapt to different devices to be clamped, thus achieving better clamping. A spring 605 is fixedly connected to one side of the ratchet disc 604. The other side of the spring 605 is fixedly connected to the limit 606. A threaded post 609 is fixedly connected to one side of the limit 606. A spring 607 is nested around the threaded post 609. A washer 610 and a nut 611 are also movably connected to the threaded post 609.

[0029] like Figure 9As shown, the connecting device 5 includes a vertical plate 502. One end of the vertical plate 502 has a through hole 501 that is slidably connected to the threaded post 609, and the other end of the vertical plate 502 has a through hole 504. Triangular limiters 503 are fixedly connected to both sides of the vertical plate 502 through hole 504. The through hole 501 in the connecting device 5 is slidably connected to the threaded post 609 in the clamping mechanism 6. The spring 607 abuts against one side of the vertical plate 502, and the washer 610 abuts against the other side of the vertical plate 502.

[0030] like Figures 4 to 8 As shown, the sliding mechanism 4 includes a fixed box 401. The upper end of the fixed box 401 is provided with multiple through slots 402. The interior of the fixed box 401 is provided with multiple sliding rods 404 in the same direction as the through slots 402. The bottom of the through slot 402 in the middle of the fixed box 401 is provided with a bidirectional lead screw 403 that is rotatably connected to the fixed box 401. When the bidirectional lead screw 403 rotates, it can drive the device on the bidirectional lead screw 403 to approach or move simultaneously. A second through slot 405 is provided on one side of the fixing box 401 of the middle through slot 402. A locking tooth 408 is rotatably connected to the second through slot 405. A ratchet 407 is fixedly connected to the bidirectional lead screw 403 at the bottom of the second through slot 405. One side of the locking tooth 408 abuts against the ratchet 407. The protruding end of the bidirectional lead screw 403 passes through the outside of the fixing box 401 and is fixedly connected to a handwheel 3. The advantage of this design is that when the handwheel 3 is turned to fix the device to be clamped, the ratchet 407 and the locking tooth 408 cooperate to prevent the bidirectional lead screw 403 from reversing and causing the device to be clamped to slip. If the device to be clamped is to be released, simply open the locking tooth 408 and reverse the handwheel 3 to release the device to be clamped from the clamping mechanism 6.

[0031] The through hole 504 on one side of the connecting device 5 is slidably connected to the bidirectional lead screw 403 and the slide rod 404. One side of the triangular limiter 503 in the connecting device 5 abuts against the upper surface of the fixing box 401. The triangular limiter 503 prevents the connecting device 5 from moving left or right, and also prevents it from moving up or down. Each bidirectional lead screw 403 and slide rod 404 has two connecting devices 5. Two connecting plates 406 are threaded onto the bidirectional lead screw 403. The connecting plates 406 are slidably connected to multiple slide rods 404, and each connecting plate 406 is fixedly connected to a connecting device 5 on a different slide rod 404. This allows multiple connecting devices 5 on both sides to move simultaneously. The V-shaped clamps 601 in the clamping mechanisms 6 on the two connecting devices 5 on the same bidirectional lead screw 403 or the same slide rod 404 are opposite each other and clamp each other, better securing the device to be clamped.

[0032] The sliding mechanism 4 has a telescopic device 2 at its bottom. In this invention, the telescopic device 2 is a hydraulic jack. The advantage is that if the device to be clamped placed in the fixed box 401 is too heavy, it can be easily raised to a specified height. Furthermore, the hydraulic jack's lifting height is infinitely adjustable, allowing for better height control. The telescopic end of the telescopic device 2 is fixedly connected to the fixed box 401 in the sliding mechanism 4. A base plate 201 is fixedly connected to the bottom of the telescopic device 2, and four lockable casters 1 are fixedly connected to the bottom of the base plate 201. This allows the device to be clamped to be moved freely to any position and secured using the lockable casters 1. A hydraulic device 202 is fixedly connected to one side of the base plate 201 of the telescopic device 2. The height of the fixed box 401 is adjusted via the hydraulic device 202. The hydraulic device 202 communicates internally with the telescopic device 2. A pressure relief valve is located at the bottom of the telescopic device 2. By rotating the pressure relief valve, the fixed box 401 can be moved from a higher position to the lower position.

[0033] Working process: First, place the device to be clamped on top of the fixed box 401. Rotate and adjust the V-clamp 601 so that the V-clamp contacts the device to be clamped at a suitable angle. Then, turn the handwheel 3. The handwheel 3 drives the double-acting screw 403 to rotate. The connecting plate 406, which cooperates with the double-acting screw 403, pushes the connecting device 5 closer to the center, which in turn pushes the clamping mechanism 6 closer to the center. When the clamping mechanism 6 that first approaches the device to be clamped is retracted backward by the elastic force of the second spring 607, the handwheel 3 is stopped when all the other clamping mechanisms 6 have clamped the device to be clamped. It is worth noting that if the device to be clamped is too large, the nut 611 on the clamping mechanism 6 can be adjusted to retract the entire clamping mechanism 6 backward to accommodate a larger device to be clamped. Similarly, if part of the device to be clamped is too small, the nut 611 can be adjusted to extend the entire clamping mechanism 6 forward until it can clamp the device to be clamped.

[0034] Finally, although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An adjustable positioning tool comprising a clamping mechanism (6), a connecting device (5) and a sliding mechanism (4), characterized in that: The clamping mechanism (6) includes a V-shaped clamp (601), a plurality of rubber pads (602) are fixedly connected inside the V-shaped clamp (601), the other side of the V-shaped clamp (601) is fixedly connected with a ratchet disc one (603), a limiting column (608) is fixedly connected in the middle of the ratchet disc one (603), one end of the limiting column (608) is rotatably connected with a limiting one (606), a ratchet disc two (604) is slidably connected on the limiting column (608), the ratchet disc one (603) and the ratchet disc two (604) are oppositely arranged on the sides with ratchets, a spring one (605) is fixedly connected on one side of the ratchet disc two (604), the other side of the spring one (605) is fixedly connected with the limiting one (606), a threaded column (609) is fixedly connected on one side of the limiting one (606), a spring two (607) is nestedly connected on the periphery of the threaded column (609), a gasket (610) and a nut (611) are movably connected on the threaded column (609).

2. An adjustable positioning tool according to claim 1, wherein: The connecting device (5) includes a vertical plate (502), one end of the vertical plate (502) is provided with a through hole one (501) slidably connected with the threaded column (609), the other end of the vertical plate (502) is provided with a through hole two (504), and the vertical plate (502) is fixedly connected with a triangular limiting (503) on the two sides of the through hole two (504).

3. An adjustable positioning fixture according to claim 1, wherein: The through hole one (501) in the connecting device (5) is slidably connected with the threaded column (609) in the clamping mechanism (6), the spring two (607) abuts against one side of the vertical plate (502), and the gasket (610) abuts against the other side of the vertical plate (502).

4. An adjustable positioning fixture according to claim 1, wherein: The sliding mechanism (4) includes a fixed box (401), a plurality of through grooves one (402) are arranged on the upper end of the fixed box (401), a plurality of sliding rods (404) are arranged in the fixed box (401) and are in the same direction with the through grooves one (402), a through groove one (402) in the middle of the fixed box (401) is provided with a bidirectional screw rod (403) rotatably connected with the fixed box (401), a through groove two (405) is arranged on one side of the through groove one (402) in the middle of the fixed box (401), a clamping tooth (408) is rotatably connected on the through groove two (405), a ratchet wheel (407) is fixedly connected on the bidirectional screw rod (403) at the bottom of the through groove two (405), one side of the clamping tooth (408) abuts against the ratchet wheel (407), and the protruding end of the bidirectional screw rod (403) is fixedly connected with a hand wheel (3) outside the fixed box (401).

5. An adjustable positioning tool according to claim 4, wherein: The through hole two (504) of the connecting device (5) is slidably connected with the bidirectional screw rod (403) and the slide rod (404), one side of the triangular limiting part (503) in the connecting device (5) is abutted with the upper end surface of the fixed box (401), each of the bidirectional screw rod (403) and the slide rod (404) is provided with two connecting devices (5), the bidirectional screw rod (403) is threadedly connected with two connecting plates (406), the connecting plates (406) are slidably connected with a plurality of the slide rods (404), and each of the connecting plates (406) is fixedly connected with the connecting devices (5) on different slide rods (404).

6. An adjustable positioning tool according to claim 5, wherein: The V-shaped clamps (601) in the clamping mechanisms (6) on the two connecting devices (5) on the same bidirectional screw rod (403) or the same slide rod (404) are opposite to each other.

7. An adjustable positioning fixture according to claim 1, wherein: The sliding mechanism (4) is provided with the telescopic device (2) at the bottom, the telescopic end of the telescopic device (2) is fixedly connected with the fixed box (401) in the sliding mechanism (4), the bottom plate (201) is fixedly connected with the telescopic device (2), the bottom plate (201) is fixedly connected with four lockable universal wheels (1) at the bottom, the hydraulic device (202) is fixedly connected with the bottom plate (201) on one side of the telescopic device (2), the hydraulic device (202) is communicated with the inside of the telescopic device (2), and the telescopic device (2) is provided with a pressure relief valve at the bottom.

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