CN212721175U

CN212721175U - Comprehensive testing fixture with replaceable structure

Info

Publication number: CN212721175U
Application number: CN202021515519.0U
Authority: CN
Inventors: 颜龙斌
Original assignee: Wuxi Dequan Precision Machinery Co ltd
Current assignee: Wuxi Dequan Precision Machinery Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-16
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a comprehensive checking fixture with a replaceable structure, which comprises a measuring caliper, wherein an inner diameter measuring rod is fixedly arranged at the top of the left end of the measuring caliper, the bottom of the measuring caliper is fixedly connected with an outer diameter measuring rod which is arranged opposite to the inner diameter measuring rod, a measuring caliper head is sleeved on the measuring caliper, a threaded hole is arranged at the top of the measuring caliper head, a screw rod is connected with the threaded hole in a threaded manner, a hollow groove is arranged at the bottom of the measuring caliper head, a rotating rod is movably arranged at the middle part of the hollow groove through a bearing, a rolling wheel is fixedly connected at the middle part of the rotating rod, a rotating shaft which is arranged oppositely is movably arranged on the side wall of the measuring caliper head, a baffle is fixedly connected on the rotating shaft, a fixed block which is arranged oppositely is fixedly arranged on the baffle, and a pin rod is inserted on the fixed block, the device has simple structure and, effectively saving time and reducing tool cost.

Description

Comprehensive testing fixture with replaceable structure

Technical Field

The utility model belongs to the technical field of synthesize and examine utensil, specifically be an utensil is examined in synthesis with can replace structure.

Background

The gauge is a simple tool for controlling various sizes (such as aperture, space size and the like) of products by industrial production enterprises, improves the production efficiency and the control quality, is suitable for mass production of products such as automobile parts, and replaces professional measuring tools such as smooth plug gauges, threaded plug gauges, outer diameter calipers, vernier calipers and the like. The vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper consists of a main ruler and a vernier attached to the main ruler and capable of sliding. The main scale is generally in millimeter units, the vernier has 10, 20 or 50 divisions, and the vernier caliper can be divided into ten-division vernier caliper, twenty-division vernier caliper, fifty-division vernier caliper and the like according to the division, wherein the vernier is 9mm in 10 divisions, 19mm in 20 divisions and 49mm in 50 divisions.

The existing vernier caliper is very easy to damage, particularly a clamping head, and once the existing vernier caliper is damaged, the existing vernier caliper needs to be purchased again, and the damage is caused in the use process, so that the time is wasted, and the tool cost is increased. Therefore, the structure of the comprehensive inspection device needs to be improved, and the comprehensive inspection device with the replaceable structure is provided, so that the problem is better solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems provided by the above, a comprehensive testing fixture with an alternative structure is provided.

The utility model adopts the technical scheme as follows:

a comprehensive checking fixture with a replaceable structure comprises a measuring caliper, wherein an inner diameter measuring rod is fixedly installed at the top of the left end of the measuring caliper, an outer diameter measuring rod opposite to the inner diameter measuring rod is fixedly connected to the bottom of the measuring caliper, an anti-skidding block is fixedly installed at the right end of the measuring caliper, a measuring caliper head is sleeved on the measuring caliper, the position, close to the inner diameter measuring rod and the outer diameter measuring rod, of the measuring caliper head is fixedly connected with an auxiliary rod which is arranged with the measuring caliper head, the measuring caliper head is of an inverted C-shaped structure, a threaded hole is formed in the top of the measuring caliper head, a screw rod is connected to the threaded hole in a threaded mode, a hollow groove is formed in the bottom of the measuring caliper head, a rotating rod is movably installed in the middle of the hollow groove through a bearing, rolling wheels are fixedly connected to the middle of the rotating rod, moving grooves are formed in two walls of the hollow groove, the side wall of the measuring ruler head is movably provided with a rotating shaft which is arranged oppositely, the rotating shaft is fixedly connected with a baffle, the baffle is fixedly provided with a fixed block which is arranged oppositely, and the fixed block is spliced with a pin rod.

In a preferred embodiment, the measuring caliper is printed with equidistant measuring lines, and the measuring caliper head is arranged corresponding to the measuring lines.

In a preferred embodiment, the rolling wheel is located at the bottom of the measuring ruler head and is arranged opposite to the measuring caliper, a spring is arranged inside the empty groove, one end of the spring is fixedly connected with the rotating rod, and the other end of the spring is fixedly connected with the bottom of the empty groove.

In a preferred embodiment, the baffle is fixedly provided with locking blocks which are oppositely arranged, and the locking blocks and the fixing blocks are correspondingly arranged.

In a preferred embodiment, a pin rod is inserted into the locking block and the fixed block, small linear-arranged hole grooves are formed in the pin rod, and a locking device is mounted on the right wall of the fixed block.

In a preferred embodiment, locking means comprises limiting plate, locking pole and reset spring, the right wall fixed mounting of fixed block has the limiting plate, and the limiting plate is anti-C type structure, the middle part activity of limiting plate has run through the locking pole, and the left end of locking pole runs through the right wall of fixed block, and plug connects on the small-size hole groove of pin rod, fixedly connected with reset spring on the limiting plate, and reset spring keeps away from the one end and the fixed block fixed connection of limiting plate, reset spring is located the both sides of locking pole.

In conclusion, due to the adoption of the technical scheme, the utility model has the advantages of simple structure, low cost, convenient replacement when the measuring chuck fails, effective time saving and tool cost reduction.

1. The utility model discloses in, when measuring the dop and going wrong and need changing, hold the lock bar, and with its toward outside pulling, extract the pin rod afterwards, open the baffle this moment again alright take out with the measurement dop that damages, paste new measurement dop and lean on measuring slide caliper rule afterwards, and close the baffle, peg graft the pin rod afterwards and get into fixed block and latch segment, loosen the lock bar, under reset spring's effect, the lock bar will peg graft on the small-size slotted hole on the pin rod, and then the fixed measurement dop, make and need not to purchase new instrument again when measuring the dop and appearing damaging, it is extravagant to cause the unnecessary cost, and simultaneously, because assembly process is simple and easy, very easy to go up, the popularization is greatly improved.

2. In the utility model, when measuring the object, the rolling wheel is connected with the rotary rod, and the rolling wheel can be closely attached to the measuring caliper under the action of the spring, only the thumb is needed to slide the rolling wheel, at the moment, the measuring chuck can be driven to move on the measuring caliper, when the measuring caliper is moved to a required position, the screw rod is rotated, thereby the measuring caliper is supported, the inaccurate phenomenon caused by sliding is prevented, at the moment, the data of the object can be read out, the measuring accuracy and convenience are greatly improved, and the sliding of the measuring chuck is effectively prevented due to the existence of the anti-skid block, the safety is improved,

drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the middle box of the present invention;

FIG. 3 is a partial cross-sectional view of the screw rod of the present invention;

fig. 4 is a partial structure diagram of the middle fixing block and the locking device of the present invention.

The labels in the figure are: 1-measuring caliper, 2-inner diameter measuring rod, 3-outer diameter measuring rod, 4-antiskid block, 5-measuring caliper head, 6-screw rod, 7-empty groove, 8-rotating rod, 9-rolling wheel, 10-moving groove, 11-rotating shaft, 12-baffle, 13-fixed block, 14-pin rod, 15-locking block, 16-locking device, 17-limiting plate, 18-locking rod and 19-reset spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, a comprehensive testing fixture with a replaceable structure comprises a measuring caliper 1, an inner diameter measuring rod 2 is fixedly installed at the top of the left end of the measuring caliper 1, an outer diameter measuring rod 3 arranged opposite to the inner diameter measuring rod 2 is fixedly connected to the bottom of the measuring caliper 1, an anti-slip block 4 is fixedly installed at the right end of the measuring caliper 1, a measuring caliper head 5 is sleeved on the measuring caliper 1, equidistant measuring lines are printed on the measuring caliper 1, the measuring caliper head 5 is arranged opposite to the measuring lines, auxiliary rods arranged with the measuring caliper head 5 and close to the inner diameter measuring rod 2 and the outer diameter measuring rod 3 are fixedly connected to the measuring caliper head 5, the measuring caliper head 5 is of a reverse C-shaped structure, a threaded hole is formed at the top of the measuring caliper head 5, a screw rod 6 is connected to the threaded hole, a hollow groove 7 is formed at the bottom of the measuring caliper head 5, and a rotary rod 8 is movably installed in the middle of the, the middle part of the rotating rod 8 is fixedly connected with a rolling wheel 9, the rolling wheel 9 is positioned at the bottom of the measuring ruler head 5 and is arranged opposite to the measuring caliper 1, a spring is arranged inside the hollow groove 7, one end of the spring is fixedly connected with the rotating rod 8, the other end of the spring is fixedly connected with the bottom of the hollow groove 7, two walls of the hollow groove 7 are provided with moving grooves 10, one end of the rotating rod 8 close to the hollow groove 7 is movably inserted in the moving grooves 10, the side wall of the measuring ruler head 5 is movably provided with a rotating shaft 11 which is oppositely arranged, a baffle plate 12 is fixedly connected on the rotating shaft 11, a fixed block 13 which is oppositely arranged is fixedly arranged on the baffle plate 12, locking blocks 15 which are oppositely arranged are fixedly arranged on the baffle plate 12, the locking blocks 15 are oppositely arranged and are oppositely arranged with the fixed block 13, a pin rod 14 is inserted on the fixed block 13, a pin rod 14 is inserted in the locking blocks 15 and, locking device 16 is installed to the right wall of fixed block 13, locking device 16 is by limiting plate 17, locking pole 18 and reset spring 19 constitute, the right wall fixed mounting of fixed block 13 has limiting plate 17, and limiting plate 17 is anti-C type structure, limiting plate 17's middle part activity runs through has locking pole 18, and locking pole 18's left end runs through the right wall of fixed block 13, and plug in on pin lever 14's small-size hole groove, fixedly connected with reset spring 19 on the limiting plate 17, and reset spring 19 keeps away from limiting plate 17's one end and fixed block 13 fixed connection, reset spring 19 is located the both sides of locking pole 18.

The working principle is as follows: in this application, when measuring article, because roll wheel 9 and rotary rod 8 are connected, and roll wheel 9 can with measure slide caliper rule 1 more inseparable laminating under the effect of spring, only need to slide roll wheel 9 with the thumb, alright remove on measuring slide caliper rule 1 with driving measurement dop 5 this moment, when removing the position that needs, rotatory screw rod 6, thereby will measure slide caliper rule 1 and withstand, prevent to slide and the not accurate phenomenon that produces, this moment alright with the data of reading article.

In this application, when measuring dop 5 the problem and need change, hold locking bar 18, and with its toward outside pulling, extract pin rod 14 afterwards, open baffle 12 alright take out with the measurement dop 5 that damages this moment again, paste new measurement dop 5 on measuring slide caliper 1 afterwards, and close baffle 12, peg graft into fixed block 13 and latch segment 15 with pin rod 14 afterwards, loosen locking bar 18, under reset spring 19's effect, locking bar 18 will peg graft on the small-size slotted hole on pin rod 14, and then fixed measurement dop 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A synthesize and examine utensil with replaceable structure, includes measuring caliper (1), its characterized in that: the measuring caliper is characterized in that an inner diameter measuring rod (2) is fixedly mounted at the top of the left end of the measuring caliper (1), the bottom of the measuring caliper (1) is fixedly connected with an outer diameter measuring rod (3) which is arranged opposite to the inner diameter measuring rod (2), an anti-skid block (4) is fixedly mounted at the right end of the measuring caliper (1), a measuring caliper head (5) is sleeved on the measuring caliper (1), the measuring caliper head (5) is close to the inner diameter measuring rod (2) and the outer diameter measuring rod (3) and is fixedly connected with an auxiliary rod which is arranged opposite to the inner diameter measuring rod (2), the measuring caliper head (5) is of an inverted C-shaped structure, a threaded hole is formed in the top of the measuring caliper head (5), a screw rod (6) is connected to the threaded hole, a hollow groove (7) is formed in the bottom of the measuring caliper head (5), a rotating rod (8) is movably mounted in the middle of the hollow groove (7) through a bearing, moving slot (10) have been seted up to two walls of dead slot (7), and rotary rod (8) are close to the one end activity grafting in moving slot (10) of dead slot (7), the lateral wall movable mounting of measuring chi head (5) has relative pivot (11) that sets up, and fixedly connected with baffle (12) on pivot (11), fixed mounting has relative fixed block (13) that sets up on baffle (12), and pegs graft on fixed block (13) and have pin rod (14).

2. The comprehensive testing fixture with replaceable structure as claimed in claim 1, wherein: the measuring caliper (1) is printed with equidistant measuring lines, and the measuring caliper head (5) is arranged corresponding to the measuring lines.

3. The comprehensive testing fixture with replaceable structure as claimed in claim 1, wherein: the rolling wheel (9) is located at the bottom of the measuring caliper head (5) and is arranged opposite to the measuring caliper (1), a spring is arranged inside the empty groove (7), one end of the spring is fixedly connected with the rotating rod (8), and the other end of the spring is fixedly connected with the bottom of the empty groove (7).

4. The comprehensive testing fixture with replaceable structure as claimed in claim 1, wherein: the baffle (12) is fixedly provided with a locking block (15) which is arranged oppositely, and the locking block (15) and the fixing block (13) are arranged correspondingly.

5. The comprehensive testing fixture with replaceable structure as claimed in claim 4, wherein: a pin rod (14) is inserted into the locking block (15) and the fixing block (13), small-sized linearly-arranged hole grooves are formed in the pin rod (14), and a locking device (16) is installed on the right wall of the fixing block (13).

6. The comprehensive testing fixture with replaceable structure as claimed in claim 5, wherein: locking device (16) comprise limiting plate (17), locking pole (18) and reset spring (19), the right wall fixed mounting of fixed block (13) has limiting plate (17), and limiting plate (17) are anti-C type structure, the middle part activity of limiting plate (17) is run through and is had locking pole (18), and the left end of locking pole (18) runs through the right wall of fixed block (13), and plug on the aperture groove of pin rod (14), fixedly connected with reset spring (19) on limiting plate (17), and reset spring (19) keep away from the one end and fixed block (13) fixed connection of limiting plate (17), reset spring (19) are located the both sides of locking pole (18).