CN220288462U - Deflection detector - Google Patents

Abstract

The utility model discloses a deflection detector which comprises a base, a fixed seat, a rotating shaft, a rotating thimble and a movable seat, wherein the fixed seat is fixed on the base, the movable seat is arranged on the base in a sliding manner, the fixed thimble is fixed on one side of the movable seat, the rotating thimble is rotationally connected to the fixed seat through the rotating shaft, and an auxiliary clamping structure is arranged on one side of the fixed seat, which is positioned at the rotating thimble; after the workpiece is clamped by the rotating thimble and the fixed thimble, the workpiece can be further clamped by the auxiliary clamping structure, and the auxiliary clamping structure can rotate along with the rotating thimble.

Description

Deflection detector

Technical Field

The utility model belongs to the technical field of measurement and detection, and particularly relates to a deflection detector.

Background

The deflection detector is mainly used for detecting radial runout, circular runout and end face circular runout of shaft parts and disc parts. The deflection detector consists of a base, two ejector pins, a dial indicator and the like. When the dial indicator is used, an operator firstly places a workpiece to be measured between the ejector pins at two sides, then moves the dial indicator to enable the dial indicator to be in contact with the surface of the workpiece to be measured, and finally rotates the ejector pins to drive the workpiece to rotate together, so that the dial indicator can detect circle runout.

However, the existing detector has certain defects in the use process, the thimble is only in clamping contact with the workpiece through the tip part, the contact area is small, if the dead weight of the workpiece is large, the thimble is easy to slip with the workpiece when rotating, the workpiece cannot be smoothly driven to rotate together, and the smooth progress of the detection work is not facilitated, so that a new detector is needed to be designed in addition to solve the problem.

Disclosure of Invention

The utility model aims to provide a deflection detector, which is used for solving the problem that a thimble cannot well drive a workpiece to rotate when the existing detector provided in the background art is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a beat detector, includes base, fixing base, axis of rotation, rotates thimble and movable seat, the fixing base is fixed on the base, the movable seat slides and sets up on the base, fixed thimble is fixed in movable seat one side, it connects on the fixing base to rotate the thimble through the axis of rotation, fixing base one side is located and rotates thimble department and be provided with supplementary clamping structure, supplementary clamping structure includes rotary groove, spiral disc, telescopic link subassembly and clamping assembly, the rotary groove is seted up in fixing base one side, the spiral disc is fixed on the axis of rotation surface to rotatable in the rotary groove inside, telescopic link subassembly connects in spiral disc one side, clamping assembly connects at telescopic link subassembly tip.

Preferably, the telescopic rod assembly comprises a fixed rod, a telescopic rod, a movable rod and a movable groove, wherein the fixed rod is fixedly connected with the rotary disc, and the telescopic rod is connected with the end part of the fixed rod in a telescopic way through the movable rod and the movable groove.

Preferably, the movable rod is fixed at the end part of the telescopic rod and is slidably embedded into a movable groove formed in the fixed rod.

Preferably, the clamping assembly comprises a screw, a clamping head and a knob, wherein the clamping head is movably connected to the telescopic rod through the screw, and the clamping head is of a semi-annular structure.

Preferably, the screw rod is in threaded connection with the telescopic rod, one end of the screw rod is rotationally connected with the clamping head, and the other end of the screw rod is fixedly connected with the knob.

Preferably, one side of the movable seat is provided with an adjusting component, the adjusting component comprises a fixed plate, a through hole, a pulling rod, a pull handle, a guide rod, a guide groove and a spring, the fixed plate is fixed on the base and is located on one side of the movable seat, the movable seat is sequentially connected with the pulling rod and the pull handle towards one side of the fixed plate, the guide rod can slidably extend into the guide groove, and the spring is sleeved outside the guide rod and is located between the fixed plate and the movable seat.

Preferably, the through hole is formed in the fixing plate, the pulling rod is slidably connected with the through hole, one end of the pulling rod is fixed with the movable seat, and the other end of the pulling rod is rotatably connected with the pulling handle.

Preferably, the guide rod is fixed on one side of the fixed plate, and the guide groove is fixed on one side of the movable seat and matched with the guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

after the workpiece is clamped by the rotating thimble and the fixed thimble, the workpiece can be further clamped by the auxiliary clamping structure, and the auxiliary clamping structure can rotate along with the rotating thimble.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front cross-sectional view of the auxiliary clamping structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a side cross-sectional view of the utility model at the clamp head of FIG. 2;

FIG. 4 is a front cross-sectional view of the adjustment assembly of FIG. 1 in accordance with the present utility model;

in the figure: 100. a base; 200. a fixing seat; 300. a rotating shaft; 400. rotating the thimble; 500. a movable seat; 600. fixing the ejector pin; 700. an auxiliary clamping structure; 701. a rotary groove; 702. a rotating disc; 703. a telescoping rod assembly; 7031. a fixed rod; 7032. a telescopic rod; 7033. a movable rod; 7034. a movable groove; 704. a clamping assembly; 7041. a screw; 7042. a clamping head; 7043. a knob; 800. an adjustment assembly; 801. a fixing plate; 802. a through hole; 803. pulling the rod; 804. a pull handle; 805. a guide rod; 806. a guide groove; 807. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a beat detector, including base 100, fixing base 200, axis of rotation 300, rotate thimble 400 and movable seat 500, fixing base 200 is fixed on base 100, movable seat 500 slides and sets up on base 100, can carry out left and right directions ascending slip, be used for adapting to the work piece of different length, fixed thimble 600 is fixed on movable seat 500 one side, rotate thimble 400 and rotate through axis of rotation 300 and connect on fixing base 200, it can drive rotation thimble 400 together to rotate axis of rotation 300, when the detector uses, need set up the work piece between two thimbles earlier, fixing base 200 one side is located rotation thimble 400 department and is provided with auxiliary clamping structure 700, auxiliary clamping structure 700 includes rotary groove 701, rotary disc 702, telescopic link subassembly 703 and clamping assembly 704, rotary groove 701 sets up in fixing base 200 one side, rotary disc 702 is fixed on the axis 300 surface, and rotatable in rotary groove 701 is inside, when axis 300 rotates, can drive rotary disc 702 together rotates, telescopic link subassembly 703 is connected on rotary disc 702 one side, clamping assembly 704 is connected at telescopic link subassembly 703 tip, can utilize clamping assembly 704 to hold the work piece, guarantee that the work piece can rotate easily thimble 400 does not take place and skid together.

In this embodiment, preferably, the telescopic rod assembly 703 includes a fixed rod 7031, a telescopic rod 7032, a movable rod 7033 and a movable groove 7034, the telescopic rod assembly 703 can stretch and retract, so as to adjust the clamping position of the clamping assembly 704 on a workpiece, the fixed rod 7031 is fixedly connected with the rotary disc 702, the telescopic rod 7032 is telescopically connected with the end of the fixed rod 7031 through the movable rod 7033 and the movable groove 7034, the movable rod 7033 is fixed at the end of the telescopic rod 7032, and is slidably embedded into the movable groove 7034 formed in the fixed rod 7031, and the telescopic operation is realized by sliding the movable rod 7033 in the movable groove 7034.

In this embodiment, preferably, the clamping assembly 704 includes a screw 7041, a clamping head 7042 and a knob 7043, the clamping head 7042 is movably connected to the telescopic rod 7032 through the screw 7041, the clamping head 7042 is of a semi-annular structure, and is clamped on the outer surface of the workpiece by extrusion of the clamping head 7042, so that the stability of clamping the workpiece is improved, the screw 7041 is in threaded connection with the telescopic rod 7032, one end of the screw 7041 is rotationally connected with the clamping head 7042, the other end of the screw 7041 is fixedly connected with the knob 7043, the knob 7043 can be rotated, and the screw 7041 is screwed, so that the clamping head 7042 is in extrusion contact with the workpiece.

In this embodiment, preferably, an adjusting component 800 is disposed on one side of the movable seat 500, the adjusting component 800 includes a fixing plate 801, a through hole 802, a pulling rod 803, a pulling handle 804, a guide rod 805, a guide groove 806 and a spring 807, the fixing plate 801 is fixed on the base 100 and is located on one side of the movable seat 500, the pulling rod 803 and the pulling handle 804 are sequentially connected on one side of the movable seat 500 facing the fixing plate 801, the movable seat 500 can be driven to move by pulling the pulling handle 804, the through hole 802 is opened in the fixing plate 801, the pulling rod 803 is slidably connected with the through hole 802, one end of the pulling rod 803 is fixed with the movable seat 500, the other end of the pulling rod 803 is rotatably connected with the pulling handle 804, the guide rod 805 is fixed on one side of the fixing plate 801, the guide groove 806 is fixed on one side of the movable seat 500 and is matched with the guide rod 805, the guide rod 805 slidably extends into the guide groove 806, the spring 807 is sleeved on the outer side of the guide rod 805 and is located between the fixing plate 801 and the movable seat 500, when the movable seat 500 is pulled by the pulling handle 804, the spring 807 is pressed, and the ejector pin 600 can be rotatably clamped by the ejector pin 600 by the elastic force of the spring 807.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a beat detector, includes base (100), fixing base (200), axis of rotation (300), rotates thimble (400) and movable seat (500), fixing base (200) are fixed on base (100), movable seat (500) slip sets up on base (100), and fixed thimble (600) are fixed in movable seat (500) one side, rotate thimble (400) and rotate through axis of rotation (300) and connect on fixing base (200), its characterized in that: fixing base (200) one side is located rotation thimble (400) department and is provided with supplementary centre gripping structure (700), supplementary centre gripping structure (700) are including rotary groove (701), rotary disc (702), telescopic link subassembly (703) and centre gripping subassembly (704), rotary groove (701) are seted up in fixing base (200) one side, rotary disc (702) are fixed on axis of rotation (300) surface to inside rotatable arranging in rotary groove (701), telescopic link subassembly (703) are connected in rotary disc (702) one side, centre gripping subassembly (704) are connected at telescopic link subassembly (703) tip.

2. A deflection detector as claimed in claim 1, wherein: the telescopic rod assembly (703) comprises a fixed rod (7031), a telescopic rod (7032), a movable rod (7033) and a movable groove (7034), wherein the fixed rod (7031) is fixedly connected with the rotary disc (702), and the telescopic rod (7032) is connected to the end part of the fixed rod (7031) in a telescopic manner through the movable rod (7033) and the movable groove (7034).

3. A deflection detector as claimed in claim 2, wherein: the movable rod (7033) is fixed at the end part of the telescopic rod (7032) and is slidably embedded into a movable groove (7034) formed in the fixed rod (7031).

4. A deflection detector as claimed in claim 3, wherein: the clamping assembly (704) comprises a screw (7041), a clamping head (7042) and a knob (7043), wherein the clamping head (7042) is movably connected to the telescopic rod (7032) through the screw (7041), and the clamping head (7042) is of a semi-annular structure.

5. The yaw detector of claim 4, wherein: the screw rod (7041) is in threaded connection with the telescopic rod (7032), one end of the screw rod (7041) is rotationally connected with the clamping head (7042), and the other end of the screw rod is fixedly connected with the knob (7043).

6. A deflection detector as claimed in claim 1, wherein: one side of movable seat (500) is provided with adjusting part (800), adjusting part (800) are including fixed plate (801), through-hole (802), pulling rod (803), pull handle (804), guide bar (805), guide way (806) and spring (807), fixed plate (801) are fixed on base (100) to be located one side of movable seat (500), pulling rod (803) and pull handle (804) have been connected gradually towards one side of fixed plate (801) in movable seat (500), inside that guide bar (805) slidable stretches into guide way (806), spring (807) cover is established in the guide bar (805) outside to be located between fixed plate (801) and movable seat (500).

7. The yaw detector of claim 6, wherein: the through hole (802) is formed in the fixing plate (801), the pulling rod (803) is slidably connected with the through hole (802), one end of the pulling rod is fixed with the movable seat (500), and the other end of the pulling rod is rotatably connected with the pulling handle (804).

8. The yaw detector of claim 6, wherein: the guide rod (805) is fixed on one side of the fixed plate (801), and the guide groove (806) is fixed on one side of the movable seat (500) and matched with the guide rod (805).