CN211824315U

CN211824315U - Differential checking fixture for detecting inner spherical surface quality of inner wall of shell

Info

Publication number: CN211824315U
Application number: CN202020180961.6U
Authority: CN
Inventors: 蒋锐
Original assignee: Wuhan Jinbolui Precision Manufacturing Co ltd
Current assignee: Wuhan Jinbolui Precision Manufacturing Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-10-30
Anticipated expiration: 2030-02-18

Abstract

The utility model relates to the technical field of measuring tools, and discloses a differential mechanism checking tool for detecting the inner spherical surface quality of the inner wall of a shell, which comprises a bottom plate and a second left supporting rod, wherein the top of the bottom plate is respectively and fixedly provided with a first left supporting rod, a first right supporting rod and a backing plate, the top of the backing plate is movably connected with a differential mechanism shell, the left side of the first right supporting rod is fixedly provided with a first clamping block and a fourth clamping block, the differential mechanism checking tool for detecting the inner spherical surface quality of the inner wall of the shell is characterized in that the differential mechanism shell is arranged on the top of the backing plate, the right side of the differential mechanism is respectively and movably connected with the left side of the first clamping block and the left side of the fourth clamping block, then a push plate is moved rightwards, the push plate can drive the second clamping block and the third clamping block to move rightwards, a spring can drive a connecting block to move and enter a connecting groove, the second clamping block and, therefore, the differential shell is stable when measurement is carried out.

Description

Differential checking fixture for detecting inner spherical surface quality of inner wall of shell

Technical Field

The utility model relates to an examine a measurement technical field, specifically be the differential mechanism that detects inner wall's interior sphere quality examines utensil.

Background

The checking tool 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 controls the 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 and the like

During the manufacturing process of the differential case, the quality of the inner spherical surface of the inner wall of the case body needs to be detected. The traditional method adopts manual measurement, but in the manual measurement process, certain errors occur, for example, when the detection tool is used for measuring the inside of the differential, a user does not correctly use the detection tool, or the differential shell is not placed stably, so that the data cannot be obtained or are accurate during manual detection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an utensil is examined to differential mechanism that inner wall's interior sphere quality detected possesses the stable advantage of utensil and differential mechanism casing of examining when measuring, has solved and has examined the use of utensil and standardize, the unstable problem of differential mechanism when measuring.

(II) technical scheme

For the stable purpose of utensil and differential mechanism casing of examining when realizing above-mentioned possessing the measurement, the utility model provides a following technical scheme: a differential checking fixture for detecting the inner spherical surface quality of the inner wall of a shell comprises a bottom plate and a second left supporting rod, wherein the top of the bottom plate is respectively and fixedly provided with a first left supporting rod, a first right supporting rod and a backing plate, the top of the backing plate is movably connected with a differential shell, the left side of the first right supporting rod is fixedly provided with a first clamping block and a fourth clamping block, the inside of the first left supporting rod is respectively provided with the second clamping block and the third clamping block in a penetrating manner, the inside of the first left supporting rod is provided with a fixed groove, the inner wall of the fixed groove is fixedly provided with a spring, one side of the two springs is fixedly connected with a connecting block, the surface of the third clamping block is provided with a connecting groove, the left side of the third clamping block is fixedly connected with a push plate, the top of the first left supporting rod is fixedly provided with the second right supporting rod, and the top, the inside of second left branch vaulting pole movable mounting has first pivot and second pivot respectively, the outside of first pivot is fixed mounting respectively has handle and first gear, the outside fixed mounting of second pivot has the second gear, first gear engagement is connected with the chain, the inside meshing of chain is connected with the connecting plate, the right side fixedly connected with horizontal pole of connecting plate, the bottom fixed mounting of horizontal pole has examines the utensil.

Preferably, the connecting groove is formed in the surface of the second clamping block, and the push plate is fixedly connected to the left side of the second clamping block, so that the differential shell can be directly clamped when the push plate moves rightwards conveniently.

Preferably, the first left supporting rod is internally provided with through holes matched with the second clamping block and the third clamping block respectively, so that the second clamping block and the third clamping block can move left and right conveniently without obstruction.

Preferably, the second gear is meshed with the chain, so that the first gear can drive the second gear to rotate through the chain conveniently.

Preferably, the right side of horizontal pole and second right branch vaulting pole sliding connection, and the left side of second right branch vaulting pole seted up with horizontal pole assorted sliding tray, make things convenient for the horizontal pole can be between second right branch vaulting pole and second left branch vaulting pole up-and-down motion.

Preferably, the first clamping block and the second clamping block are identical in shape and size, and the third clamping block and the fourth clamping block are convenient to maintain and replace.

Preferably, the backing plate is made of hard PVC building board materials, the hardness of the hard PVC building board materials is high, and the differential case is not easy to damage.

Three beneficial effects

Compared with the prior art, the utility model provides an utensil is examined to differential mechanism that detects inner wall's interior sphere quality possesses following beneficial effect:

1. this utensil is examined to differential mechanism that inner spherical surface quality to shells inner wall carries out detection, when detecting differential mechanism casing, place differential mechanism casing at the top of backing plate, differential mechanism's right side respectively with the left side of first grip block and the left side swing joint of fourth clamp holding piece, move the push pedal right again, the push pedal will drive the second grip block and move the in-process with the third grip block right, the spring will drive the connecting block motion, and enter into the spread groove, the second grip block will contact with differential mechanism casing's left side with the third grip block, thereby it is stable to reach the differential mechanism casing when measuring.

2. This utensil is examined to differential mechanism that detects interior sphere quality to shells inner wall rotates the handle clockwise, and the handle can drive first pivot clockwise, and first pivot can drive first gear clockwise, and first gear can drive chain clockwise, and the chain will drive the connecting plate downstream, and the connecting plate can drive the horizontal pole downstream, and the horizontal pole can drive examines a downstream, examines the utensil and will combine with the differential mechanism casing to it is stable to reach when measuring.

Drawings

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

FIG. 2 is a top view of the differential case of the present invention when clamped;

FIG. 3 is a right side sectional view of the second left support rod of the structure of the present invention;

fig. 4 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: 1-bottom plate, 2-first left support rod, 3-backing plate, 4-first right support rod, 5-first clamping block, 6-second clamping block, 7-differential case, 8-third clamping block, 9-push plate, 10-second right support rod, 11-cross rod, 12-checking fixture, 13-second left support rod, 14-handle, 15-fourth clamping block, 16-first rotating shaft, 17-second rotating shaft, 18-first gear, 19-second gear, 20-chain, 21-connecting plate, 22-fixing groove, 23-spring, 24-connecting block and 25-connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the differential checking fixture for detecting the inner spherical surface quality of the inner wall of the casing comprises a bottom plate 1 and a second left support rod 13, wherein a first left support rod 2, a first right support rod 4 and a backing plate 3 are respectively fixedly installed at the top of the bottom plate 1, a differential casing 7 is movably connected to the top of the backing plate 3, the backing plate 3 is made of hard PVC building board materials, the hard PVC building board materials are high in hardness and not prone to damage to the differential casing 7, a first clamping block 5 and a fourth clamping block 15 are fixedly installed at the left side of the first right support rod 4, a second clamping block 6 and a third clamping block 8 are respectively installed in the first left support rod 2 in a penetrating manner, through holes matched with the second clamping block 6 and the third clamping block 8 are respectively formed in the first left support rod 2, so that the second clamping block 6 and the third clamping block 8 can move left and right without hindrance, the first clamping block 5 is consistent with the second clamping block 6 in shape and size, the third clamping block 8 is consistent with the fourth clamping block 15 in shape and size, and the maintenance and the replacement are convenient, a fixed groove 22 is formed in the first left support rod 2, a spring 23 is fixedly arranged on the inner wall of the fixed groove 22, a connecting block 24 is fixedly connected to one side of each of the two springs 23, a connecting groove 25 is formed in the surface of the third clamping block 8, a push plate 9 is fixedly connected to the left side of the third clamping block 8, a connecting groove 25 is formed in the surface of the second clamping block 6, a push plate 9 is fixedly connected to the left side of the second clamping block 6, the differential case 7 can be directly clamped when the push plate 9 moves rightwards conveniently, a second right support rod 10 is fixedly arranged at the top of the first left support rod 2, a second right support rod 10 is fixedly arranged at the top of the first right support rod 4, a first, the outside of first pivot 16 is fixed mounting respectively has handle 14 and first gear 18, the outside fixed mounting of second pivot 17 has second gear 19, first gear 18 meshing is connected with chain 20, second gear 19 is connected with chain 20 meshing, make things convenient for first gear 18 to drive second gear 19 through chain 20 and rotate, the inside meshing of chain 20 is connected with connecting plate 21, the right side fixedly connected with horizontal pole 11 of connecting plate 21, the right side and the second right branch vaulting pole 10 sliding connection of horizontal pole 11, and the left side of second right branch vaulting pole 10 seted up with horizontal pole 11 assorted sliding tray, make things convenient for horizontal pole 11 can be in the up-and-down motion between second right branch vaulting pole 10 and second left branch vaulting pole 13, the bottom fixed mounting of horizontal pole 11 has examines utensil 12.

The working principle is that when the differential case 7 is detected, the differential case 7 is placed on the top of the backing plate 3, the right side of the differential case 7 is movably connected with the left side of the first clamping block 5 and the left side of the fourth clamping block 15 respectively, then the push plate 9 is moved rightwards, the push plate 9 drives the second clamping block 6 and the third clamping block 8 to move rightwards, the spring 23 drives the connecting block 24 to move and enter the connecting groove 25, the second clamping block 6 and the third clamping block 8 are contacted with the left side of the differential case 7, so that the differential case 7 is stable when measurement is achieved, the handle 14 rotates clockwise, the handle 14 drives the first rotating shaft 16 to rotate clockwise, the first rotating shaft 16 drives the first gear 18 to rotate clockwise, the first gear 18 drives the chain 20 to rotate clockwise, the chain 20 drives the connecting plate 21 to move downwards, the connecting plate 21 drives the cross rod 11 to move downwards, the cross rod 11 can drive the checking fixture 12 to move downwards, and the checking fixture 12 can be combined with the differential case 7, so that the checking fixture 12 is stable when measurement is achieved.

In summary, in the differential checking fixture for detecting the inner spherical surface quality of the inner wall of the casing, when the differential casing 7 is detected, the differential casing 7 is placed on the top of the backing plate 3, the right side of the differential casing 7 is movably connected with the left side of the first clamping block 5 and the left side of the fourth clamping block 15 respectively, then the push plate 9 is moved rightwards, the push plate 9 drives the second clamping block 6 and the third clamping block 8 to move rightwards, the spring 23 drives the connecting block 24 to move and enter the connecting groove 25, the second clamping block 6 and the third clamping block 8 are contacted with the left side of the differential casing 7, so as to achieve the stability of the differential casing 7 when the differential is measured, the differential checking fixture for detecting the inner spherical surface quality of the inner wall of the casing rotates the handle 14 clockwise, the handle 14 drives the first rotating shaft 16 to rotate clockwise, the first rotating shaft 16 drives the first gear 18 to rotate clockwise, first gear 18 can drive chain 20 clockwise, and chain 20 can drive connecting plate 21 downstream, and connecting plate 21 can drive horizontal pole 11 downstream, and horizontal pole 11 can drive examines 12 downstream, examines 12 and will combine with differential mechanism casing 7 to examine 12 when reaching the measurement and stabilize.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Utensil is examined to differential mechanism that detects inner wall's interior sphere quality, including bottom plate (1) and second left branch vaulting pole (13), its characterized in that: the top of the bottom plate (1) is respectively fixedly provided with a first left supporting rod (2), a first right supporting rod (4) and a backing plate (3), the top of the backing plate (3) is movably connected with a differential case (7), the left side of the first right supporting rod (4) is fixedly provided with a first clamping block (5) and a fourth clamping block (15), the inside of the first left supporting rod (2) is respectively provided with a second clamping block (6) and a third clamping block (8) in a penetrating manner, the inside of the first left supporting rod (2) is provided with a fixed groove (22), the inner wall of the fixed groove (22) is fixedly provided with springs (23), one side of the two springs (23) is fixedly connected with a connecting block (24), the surface of the third clamping block (8) is provided with a connecting groove (25), the left side of the third clamping block (8) is fixedly connected with a push plate (9), the top fixed mounting of first left branch vaulting pole (2) has second right branch vaulting pole (10), the top fixed mounting of first right branch vaulting pole (4) has second right branch vaulting pole (10), the inside difference movable mounting of second left branch vaulting pole (13) has first pivot (16) and second pivot (17), the outside difference fixed mounting of first pivot (16) has handle (14) and first gear (18), the outside fixed mounting of second pivot (17) has second gear (19), first gear (18) meshing is connected with chain (20), the inside meshing of chain (20) is connected with connecting plate (21), the right side fixedly connected with horizontal pole (11) of connecting plate (21), the bottom fixed mounting of horizontal pole (11) has examines utensil (12).

2. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: the connecting groove (25) has been seted up on the surface of second grip block (6), the left side fixedly connected with push pedal (9) of second grip block (6).

3. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: and through holes matched with the second clamping block (6) and the third clamping block (8) are respectively formed in the first left supporting rod (2).

4. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: the second gear (19) is in meshed connection with the chain (20).

5. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: the right side of the cross rod (11) is connected with the second right supporting rod (10) in a sliding mode, and a sliding groove matched with the cross rod (11) is formed in the left side of the second right supporting rod (10).

6. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: the first clamping block (5) is consistent with the second clamping block (6), and the third clamping block (8) is consistent with the fourth clamping block (15) in shape and size.

7. The differential checking fixture for detecting the quality of the inner spherical surface of the inner wall of the shell according to claim 1, is characterized in that: the backing plate (3) is made of hard PVC building board materials.