CN219869356U

CN219869356U - Caliper for pin shaft preparation

Info

Publication number: CN219869356U
Application number: CN202321035582.8U
Authority: CN
Inventors: 钟休蓉; 曾代辉
Original assignee: Sichuan Hongxintu Mechanical Equipment Manufacturing Co ltd
Current assignee: Sichuan Hongxintu Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-20
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to the technical field of measuring calipers, and discloses a caliper for pin shaft preparation, which comprises a main scale, wherein inserting rods are fixedly connected to the outer surface of the bottom of a first clamping head and the outer surface of the top of a second clamping head, T-shaped rods are movably inserted into the outer surfaces of a first clamping seat and a second clamping seat, springs are fixedly connected to the inner surfaces of the first clamping seat and the second clamping seat, limiting blocks are fixedly connected to the outer surfaces of the T-shaped rods, and limiting grooves are formed in the outer surfaces of the inserting rods. This slide caliper rule for round pin axle preparation through setting up inserted bar and T shape pole, cooperates spring, stopper and spacing groove, has solved current slide caliper rule when using, and its dop all has the sustainability wearing and tearing of different degree to the round pin axle measurement process, can directly cause the condition such as measurement size judgement error, accessory scrapping after the dop wearing and tearing, and the dop wearing and tearing are serious back, and whole slide caliper rule is direct scrapping and handles, comparatively extravagant problem.

Description

Caliper for pin shaft preparation

Technical Field

The utility model relates to the technical field of measuring calipers, in particular to a caliper for pin shaft preparation.

Background

The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection; the pin shaft is in a slender cylindrical shape, and in the pin shaft production process, a measuring caliper is often required to measure the size of a workpiece in the processing technology of the pin shaft.

When the conventional caliper is used, continuous abrasion with different degrees exists on the pin shaft in the measuring process of the chuck, errors in measurement size judgment, scrapping of accessories and the like can be directly caused after the chuck is worn, and after the chuck is worn seriously, the whole caliper is directly scrapped and is relatively wasted, so that the caliper for preparing the pin shaft is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a caliper for pin shaft preparation, which aims to solve the problems that when the prior caliper is used, the clamping heads of the prior caliper have continuous abrasion with different degrees in the pin shaft measurement process, the situation of misjudgment of the measurement size, scrapping of accessories and the like can be directly caused after the clamping heads are worn, and the whole caliper is directly scrapped after the clamping heads are seriously worn, so that the caliper is more wasteful.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a callipers for round pin axle preparation, includes the main scale, the surface sliding connection of main scale has the auxiliary scale, the equal fixedly connected with first cassette of top surface of main scale and the top surface of auxiliary scale, the equal fixedly connected with second cassette of bottom surface of main scale and the bottom surface of auxiliary scale, two the equal swing joint of top surface of first cassette has first chuck, two the equal swing joint of bottom surface of second cassette has the second chuck, the slot has all been seted up to the internal surface of first cassette and second chuck, the equal fixedly connected with inserted bar of bottom surface of first chuck and the top surface of second chuck, the equal swing joint of the surface of first cassette and second cassette has T shape pole, the internal surface fixedly connected with spring of first cassette and second cassette, the surface fixedly connected with stopper of T shape pole, the other end and stopper fixedly connected with of spring, the spacing groove has been seted up to the surface of inserted bar.

Preferably, the external surface screw thread of T shape pole runs through has adjusting hand wheel, the screw hole has all been seted up to the surface of first cassette and second cassette, adjusting hand wheel and screw hole looks adaptation.

Preferably, the locking bolt penetrates through the screw thread of the outer surface of the top of the auxiliary ruler.

By adopting the technical scheme, the fastening degree between the main ruler and the auxiliary ruler is adjusted by arranging the locking bolt.

Preferably, the bottom surface of auxiliary scale fixedly connected with promotes the handle.

By adopting the technical scheme, the auxiliary ruler is convenient to operate by arranging the pushing handle for measuring operation.

Preferably, the inner surface of the main ruler is movably connected with a measuring strip.

By adopting the technical scheme, the depth measurement of the accessory is convenient to carry out by arranging the measuring strip.

Preferably, the outer surface of the bottom of the limiting block is an inclined outer surface, and the outer surface of the limiting block is a smooth outer surface.

By adopting the technical scheme, the limiting block is in the shape of a prismatic table with the lower right corner cut off, so that the inserting rod can conveniently extrude the limiting block outwards.

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

1. this slide caliper rule for round pin axle preparation through setting up inserted bar and T shape pole, cooperates spring, stopper and spacing groove, has reached and to change the dop, has prolonged the effect of slide caliper rule's life cycle, has solved current slide caliper rule when using, and its dop all has the sustainable wearing and tearing of different degree to the pin axle measurement process, can directly cause measuring size to judge the mistake after the dop wearing and tearing, the condition such as accessory scrapping, and the dop wearing and tearing are serious back, and whole slide caliper rule is direct scrapping and handles, comparatively extravagant problem.

2. This slide caliper rule for round pin axle preparation has reached through setting up adjusting hand wheel and screw hole that can carry out more stable spacing effect to the dop.

Drawings

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

FIG. 2 is a schematic view of a partial structure with front cross-section of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a main scale; 2. a secondary ruler; 3. a locking bolt; 4. a first clamping seat; 5. a first chuck; 6. a second clamping seat; 7. a second chuck; 8. a rod; 9. a slot; 10. a T-bar; 11. a spring; 12. a limiting block; 13. a limit groove; 14. a measuring strip; 15. a pushing handle; 16. and an adjusting hand wheel.

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.

Example 1:

referring to fig. 1-3 in combination, a caliper for pin shaft production comprises a main rule 1, wherein the outer surface of the main rule 1 is slidably connected with an auxiliary rule 2, the top outer surface of the auxiliary rule 2 is threaded through a locking bolt 3, the main rule 1 and the auxiliary rule 2 slide relatively by unscrewing the locking bolt 3, the bottom outer surface of the auxiliary rule 2 is fixedly connected with a pushing handle 15, the auxiliary rule 2 is convenient to operate and operate by pushing the pushing handle 15, the inner surface of the main rule 1 is movably connected with a measuring strip 14, the depth measurement of accessories is convenient to be carried out by arranging the measuring strip 14, the top outer surface of the main rule 1 and the top outer surface of the auxiliary rule 2 are fixedly connected with first clamping seats 4, the bottom outer surface of the main rule 1 and the bottom outer surface of the auxiliary rule 2 are fixedly connected with second clamping seats 6, the top outer surfaces of the two first clamping seats 4 are movably connected with first clamping heads 5, the bottom outer surfaces of the two second clamping seats 6 are movably connected with a second clamping head 7, the inner surfaces of the first clamping seat 4 and the second clamping seat 6 are provided with slots 9, the bottom outer surface of the first clamping head 5 and the top outer surface of the second clamping head 7 are fixedly connected with inserting rods 8, when the first clamping head 5 and the second clamping head 7 are installed, the inserting rods 8 are inserted into the slots 9, the outer surfaces of the first clamping seat 4 and the second clamping seat 6 are movably inserted with T-shaped rods 10, the inner surfaces of the first clamping seat 4 and the second clamping seat 6 are fixedly connected with springs 11, the outer surfaces of the T-shaped rods 10 are fixedly connected with limiting blocks 12, when the top ends of the inserting rods 8 are contacted with the bottom ends of the limiting blocks 12, the limiting blocks 12 are extruded by the inserting rods 8 to move outwards, the other ends of the springs 11 are fixedly connected with the limiting blocks 12, the limiting grooves 13 are formed in the outer surfaces of the inserting rods 8 in a sleeved mode, when the limiting block 12 is in contact with the limiting groove 13, the limiting block 12 is driven to be inserted into the limiting groove 13 under the action of the elastic force of the spring 11, so that the limiting block 12 limits the inserted link 8, the replacement of the first clamping head 5 or the second clamping head 7 is completed, and when the first clamping head 5 or the second clamping head 7 needs to be replaced, the T-shaped rod 10 is pulled outwards, and the limiting link is separated from the limiting groove 13.

Working principle: when the utility model is used, the locking bolt 3 is unscrewed, so that the main scale 1 and the auxiliary scale 2 slide relatively, the pushing handle 15 is pushed, the auxiliary scale 2 is convenient to operate for measuring operation, the measuring strip 14 is arranged for measuring the depth of accessories, when the first clamping head 5 or the second clamping head 7 is worn and needs to be replaced, the T-shaped rod 10 is pulled, the T-shaped rod 10 drives the limiting block 12 to move, the limiting block 12 compresses the spring 11, the limiting block 12 is separated from the limiting groove 13, the limiting block 8 is released, the first clamping head 5 or the second clamping head 7 is pulled to draw out the inserting rod 8, the inserting rod 8 is inserted into the slot 9 when the first clamping head 5 and the second clamping head 7 are installed, the inserting rod 8 is extruded by the limiting block 12 to move outwards when the top end of the inserting rod 8 is contacted with the bottom end of the limiting block 12, the spring 11 is compressed, and when the limiting block 12 is contacted with the limiting groove 13, the limiting block 12 is driven to be inserted into the limiting groove 13 under the elastic force of the limiting block 12, and the limiting block 12 is limited by the limiting block 8, and the replacement of the first clamping head 5 or the second clamping head 7 is completed.

Compared with the related art, the caliper for manufacturing the pin shaft has the following beneficial effects: the caliper has the advantages that the chuck can be replaced, the service cycle of the caliper is prolonged, the problem that the conventional caliper is worn continuously in different degrees in the pin shaft measuring process, errors in measurement size judgment, scrapping of accessories and the like can be directly caused after the chuck is worn is solved, and the whole caliper is directly scrapped and is wasted after the chuck is worn seriously.

Example 2:

referring to fig. 1-3, the external surface threads of the T-shaped rod 10 penetrate through an adjusting hand wheel 16, after the first chuck 5 or the second chuck 7 is installed, the adjusting hand wheel 16 is screwed, threaded holes are formed in the external surfaces of the first chuck 4 and the second chuck 6, the adjusting hand wheel 16 is matched with the threaded holes, the adjusting hand wheel 16 is screwed into the threaded holes, so that the T-shaped rod 10 is limited, the limiting block 12 is used for stably limiting the inserted rod 8, and the first chuck 5 or the second chuck 7 is stably limited.

Working principle: after the first clamping head 5 or the second clamping head 7 is installed, the adjusting hand wheel 16 is screwed into the threaded hole, the T-shaped rod 10 is limited, the limiting block 12 is used for stably limiting the inserted rod 8, and the first clamping head 5 or the second clamping head 7 is stably limited.

Compared with the related art, the caliper for manufacturing the pin shaft has the following beneficial effects: the effect that can carry out more stable spacing to the dop has been reached.

The above-mentioned respective means concerning the use of the apparatus are different in selection and use according to actual practice, and various parameters are referred to, and the function according to the apparatus used corresponds to the effect achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can 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

1. The utility model provides a calliper for round pin axle preparation, includes main scale (1), its characterized in that: the utility model discloses a stop block, including main scale (1), auxiliary scale (2) of surface sliding connection, slot (9) have all been seted up to the top surface of main scale (1) and the top surface of auxiliary scale (2), the bottom surface of main scale (1) and the bottom surface of auxiliary scale (2) all fixedly connected with second cassette (6), two the equal swing joint in top surface of first cassette (4) has first chuck (5), two the equal swing joint in bottom surface of second cassette (6) has second chuck (7), slot (9) have all been seted up to the internal surface of first cassette (4) and second cassette (6), the equal fixedly connected with inserted bar (8) of the top surface of first chuck (5) and second chuck (7), the surface of first cassette (4) and second cassette (6) all movably inserts and is equipped with T shape pole (10), the internal surface fixedly connected with second chuck (7) of first cassette (4) and second cassette (6), the surface fixedly connected with stopper (11) of the other end (12) have, the surface (12) of the stopper (12) are connected with fixed slot (12).

2. The caliper for pin shaft preparation according to claim 1, wherein: the outer surface screw thread of T shape pole (10) is run through has adjusting hand wheel (16), the screw hole has all been seted up to the surface of first cassette (4) and second cassette (6), adjusting hand wheel (16) and screw hole looks adaptation.

3. The caliper for pin shaft preparation according to claim 1, wherein: the locking bolt (3) penetrates through the screw thread of the outer surface of the top of the auxiliary ruler (2).

4. The caliper for pin shaft preparation according to claim 1, wherein: the outer surface of the bottom of the auxiliary ruler (2) is fixedly connected with a pushing handle (15).

5. The caliper for pin shaft preparation according to claim 1, wherein: the inner surface of the main scale (1) is movably connected with a measuring strip (14).

6. The caliper for pin shaft preparation according to claim 1, wherein: the outer surface of the bottom of the limiting block (12) is an inclined outer surface, and the outer surface of the limiting block (12) is a smooth outer surface.