Supporting and fixing frame of test instrument

Abstract

The utility model discloses a support fixing frame of a test instrument, which comprises a base, the main body of the base is semicircular, the lower sides of the two ends of the opening of the base are respectively provided with a support footstand, the middle position of the base is backwards provided with a horizontal extension part, and the lower side of the horizontal extension part is also provided with a support footstand; a supporting rod is vertically installed on the upper surface of the middle position of the base, a lifting fixing block is installed on the supporting rod, the position of the lifting fixing block on the supporting rod can be adjusted up and down, and a transverse fixing rod is horizontally installed on the lifting fixing block. The rigidity of the whole base is enhanced, the stability of the supporting and fixing frame is enhanced, and the height of the tester can be conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of support fixing frame of test instrument, belong to the support fixing technical field of test instrument. BACKGROUND

[0002] Rotary viscosity tester is used to measure the viscous resistance of liquid and liquid dynamic viscosity, and is widely used to measure the viscosity of various fluids such as oil, paint, plastic, food, medicine, cosmetics and adhesive products. It is a precision instrument for monitoring and controlling product quality stability in production. Rotary viscosity tester includes a rotary drive unit and a central rotating shaft unit. During detection, the instrument is lowered as a whole to insert the test accessory into the liquid to be tested for viscosity detection. After detection, the instrument is raised as a whole.

[0003] The rotary viscosity tester is fixed by the support fixing frame. The existing support fixing frame is not convenient for adjusting the height of the tester, and the tester is heavy. When at a certain height, it is easy to slide up and down. In addition, the stability of the support fixing frame is not good. When the motor of the tester works, it is easy to shake. When it vibrates violently, it may even roll over.

[0004] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. INVENTION CONTENTS

[0005] The utility model provides a kind of support fixing frame of test instrument according to the deficiency in the background art, so that the rigidity of the whole base is enhanced, the stability of the support fixing frame is enhanced, and the height of the tester can be conveniently adjusted.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A kind of support fixing frame of test instrument, including base, the main body of the base is semicircular, and one support foot is mounted at the lower side of the two ends of base opening respectively, a horizontal extension is provided at the middle position of base to rear, and one support foot is also mounted at the lower side of the horizontal extension;

[0008] A support rod is vertically installed on the upper surface of the middle position of base, a lifting fixing block is installed on the support rod, the position of lifting fixing block on support rod is adjustable up and down, and a horizontal fixing rod is horizontally installed on the lifting fixing block.

[0009] Further, a straight rack is vertically fixed on the inner side of the support rod, a pinion is rotatably installed in the lifting fixing block, and the pinion is engaged with the straight rack for transmission.

[0010] Further, the lifting fixing block is provided with a positioning hole, a tight screw is screwed in the positioning hole, the tight screw is internally provided with a tooth sleeve, a spring is arranged between the tight screw and the tooth sleeve, the front end of the tooth sleeve is provided with an avoiding slot, a straight rack is arranged in the avoiding slot, and the two sides of the avoiding slot of the tooth sleeve are abutted against the two sides of the straight rack.

[0011] Further, the lifting fixing block is provided with a positioning hole, a tight screw is screwed in the positioning hole, the tight screw is internally provided with a tooth sleeve, a spring is arranged between the tight screw and the tooth sleeve, the front end of the tooth sleeve is provided with an avoiding slot, a straight rack is arranged in the avoiding slot, and the two sides of the avoiding slot of the tooth sleeve are abutted against the two sides of the straight rack.

[0012] Further, the lifting fixing block is provided with a positioning hole, a tight screw is screwed in the positioning hole, the tight screw is internally provided with a tooth sleeve, a spring is arranged between the tight screw and the tooth sleeve, the front end of the tooth sleeve is provided with an avoiding slot, a straight rack is arranged in the avoiding slot, and the two sides of the avoiding slot of the tooth sleeve are abutted against the two sides of the straight rack.

[0013] Further, the lifting fixing block is provided with a positioning hole, a tight screw is screwed in the positioning hole, the tight screw is internally provided with a tooth sleeve, a spring is arranged between the tight screw and the tooth sleeve, the front end of the tooth sleeve is provided with an avoiding slot, a straight rack is arranged in the avoiding slot, and the two sides of the avoiding slot of the tooth sleeve are abutted against the two sides of the straight rack.

[0014] The above technical scheme is adopted in the utility model, and compared with the prior art, the utility model has the following advantages.

[0015] 1. The two ends of the base opening are respectively provided with a support foot, and the horizontal extension of the base is also provided with a support foot, the semicircular base body enhances the rigidity of the whole base, the support foot in the middle position of the base is offset to the rear end, the distance between the support foot and the two support feet at the front end is increased, and the stability is better.

[0016] 2. The height of the lifting fixing block can be conveniently adjusted by rotating the rotating handle, the pinion gear is engaged with the straight rack to drive, the height of the tester can be adjusted, the tight screw is locked, the tight screw is pressed against the tooth sleeve through the spring, and the lifting fixing block is fixed on the support rod.

[0017] The utility model will be described in detail below in combination with the drawings and examples. DRAWINGS

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 is a front view of the utility model;

[0020] Figure 3 is Figure 2 a bottom view of

[0021] Figure 4 is Figure 2 a sectional view along A-A of

[0022] Figure 5Is the connection diagram of the set screw and the gear sleeve.

[0023] In the figure,

[0024] 1-base, 2-supporting foot, 3-supporting rod, 4-straight rack, 5-lifting fixing block, 501-clamping groove, 6-transverse fixing rod, 7-set screw, 8-rotary hand wheel, 9-locking hand wheel, 10-pinion, 11-spring, 12-gear sleeve, 13-limiting screw. DETAILED DESCRIPTION

[0025] In order to have a more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0026] As Figures 1-3 shown, the utility model provides a kind of supporting fixed frame of test instrument, including base 1, the main body of base 1 is semicircular, and the lower side of the two ends of the opening of base 1 is respectively equipped with one supporting foot 2, and horizontal extension is provided to the middle position of base 1 towards rear, and one supporting foot 2 is also installed on the lower side of the horizontal extension;

[0027] Vertical installation is carried out on the upper surface of the middle position of base 1 supporting rod 3, and lifting fixing block 5 is installed on supporting rod 3, and the position of lifting fixing block 5 on supporting rod 3 is adjustable up and down, and transverse fixing rod 6 is horizontally installed on lifting fixing block 5.

[0028] Semicircular base 1 main body makes the rigidity of whole base enhanced, and the supporting foot 2 of the middle position of base 1 is offset to rear end, so the distance with the two supporting feet 2 of front end is increased, and stability is better.

[0029] The inner side of supporting rod 3 is vertically fixed with straight rack 4, pinion 10 is rotatably installed in lifting fixing block 5, and pinion 10 is engaged with straight rack 4.

[0030] As Figure 4 , Figure 5 , positioning hole is equipped on lifting fixing block 5, set screw 7 is threadedly installed in positioning hole, gear sleeve 12 is equipped in the inside of set screw 7, spring 11 is installed between set screw 7 and gear sleeve 12, and avoiding groove is equipped at the front end of gear sleeve 12, and straight rack 4 is matched and arranged in avoiding groove, and the two sides of avoiding groove of gear sleeve 12 are on the two sides of straight rack 4.Locking set screw 7, so that set screw 7 is pressed tightly to gear sleeve 12 by spring 11, so as to fix lifting fixing block 5 on supporting rod 3.

[0031] Rotary hand wheel 8 is rotatably installed on the outer side of lifting fixing block 5, and rotary hand wheel 8 is fixedly connected with pinion 10, and rotary hand wheel 8 is used to adjust the height of lifting fixing block 5.

[0032] The lifting fixed block 5 is provided with a clamping groove 501 with an open lower end, the upper end of the clamping groove 501 clamps a transverse fixed rod 6, a locking hand wheel 9 is threadedly installed at the open lower end of the clamping groove 501, and rotating the locking hand wheel 9 transversely fixes the transverse fixed rod 6 in the clamping groove 501.

[0033] The support rod 3 is provided with two limiting screws 13, one of which is located at the upper end of the straight rack 4, and the other is located at the lower end of the straight rack 4.

[0034] The specific working principle of the utility model is as follows:

[0035] The main body of the base 1 is semicircular, and one support foot 2 is installed at the lower side of each end of the open base 1, and one support foot 2 is also installed at the lower side of the horizontal extension of the base 1, the semicircular main body of the base 1 enhances the rigidity of the whole base, the support foot 2 at the middle position of the base 1 is offset to the rear end, which increases the distance from the two support feet 2 at the front end, and the stability is better.

[0036] Rotating the rotating hand wheel 8, the pinion 10 is engaged with the straight rack 4 for transmission, so that the height of the lifting fixed block 5 can be conveniently adjusted, thereby adjusting the height of the tester; the locking set screw 7 is pressed tightly by the spring 11, so that the lifting fixed block 5 is fixed on the support rod 3.

[0037] The above is an example of the best implementation of the utility model, and the parts not described in detail are the common knowledge of ordinary technical personnel in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A support and fixing frame for a testing instrument, characterized in that: The base (1) comprises a base (1), the main body of the base (1) is semicircular, a supporting foot (2) is respectively installed on the lower side of both ends of the opening of the base (1), a horizontal extension portion is provided at the middle position of the base (1) and is also installed on the lower side of the horizontal extension portion; A support rod (3) is vertically mounted on the upper surface of the middle position of the base (1); a lifting and fixing block (5) is mounted on the support rod (3); the position of the lifting and fixing block (5) on the support rod (3) is adjustable up and down; and a transverse fixing rod (6) is horizontally mounted on the lifting and fixing block (5).

2. A support and fixing frame for a testing instrument according to claim 1, characterized in that: A spur rack (4) is vertically fixed on the inner side of the support rod (3), and a small gear (10) is rotatably installed inside the lifting and fixing block (5), and the small gear (10) is meshed with the spur rack (4) for transmission.

3. The support and fixing frame of a testing instrument according to claim 1, wherein: The lifting and fixing block (5) is provided with a positioning hole, a set screw (7) is installed in the thread of the positioning hole, a gear sleeve (12) is provided inside the set screw (7), a spring (11) is installed between the set screw (7) and the gear sleeve (12), a front end of the gear sleeve (12) is provided with an avoidance groove, the straight rack (4) is matched and arranged in the avoidance groove, and both sides of the avoidance groove of the gear sleeve (12) are pressed against both sides of the straight rack (4).

4. The support and fixing frame of a testing instrument according to claim 1, wherein: A rotating hand wheel (8) is rotatably mounted on the outer side of the lifting and fixing block (5), and the rotating hand wheel (8) is fixedly connected to a pinion (10).

5. The support and fixing frame of a testing instrument according to claim 1, wherein: The lifting and fixing block (5) is provided with a clamping groove (501) with an opening at the lower end, and a transverse fixing rod (6) is clamped at the upper end of the clamping groove (501). A locking hand wheel (9) is threadedly installed at the lower end of the lifting and fixing block (5) at the opening of the clamping groove (501). The locking hand wheel (9) is rotated to fix the transverse fixing rod (6) transversely in the clamping groove (501).

6. A support and fixing frame for a testing instrument as claimed in claim 2, characterized in that: Two limiting screws (13) are installed on the support rod (3), one limiting screw (13) is located at the upper end of the spur rack (4), and the other limiting screw (13) is located at the lower end of the spur rack (4).

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