Differential lock piston mounting device

Abstract

The utility model provides a differential lock piston installation device, and belongs to the technical field of installation devices. The top of the screw is fixedly connected with a first rotating handle, the middle is in threaded connection with a second rotating handle, and the bottom is connected with a taper body; a pushing cylinder is arranged below the second rotating handle; a clamping jaw supporting seat is arranged on the screw rod in a sleeving manner; a mounting groove is formed in the bottom of the clamping jaw supporting seat; two clamping jaws are arranged in the mounting groove; the tops of the clamping jaws are hinged to the clamping jaw supporting base, the bottoms of the clamping jaws are attached to the surface of the taper body, and the bottoms of the two clamping jaws are contracted through an elastic O-shaped ring. The whole device and the differential lock are fixed by opening the clamping jaw through the taper body, then the second rotating handle is rotated to drive the pushing barrel to press downwards to push the differential lock shell downwards, the clamping spring groove in the differential lock is exposed, then the clamping spring is installed in the clamping spring groove, the structure is simple, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to installation device technical field, concretely relates to a differential lock piston installation device. BACKGROUND

[0002] Differential lock needs to install snap spring to limit its shell during assembly, because its shell bottom is provided with spring, needs to press down shell when installing snap spring, and the prior art mainly exposes snap spring groove by pressing machine to press down shell and install snap spring, and this mode has disadvantages including: needing to position differential lock, making it face pressing machine, avoiding misalignment to cause shell to be pressed and broken by pressing machine, needing to transport differential lock to pressing machine, and needing to transport away after installation, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a differential lock piston installation device.

[0004] To solve the above technical problems, the utility model aims at realizing as follows:

[0005] A differential lock piston installation device, comprising: a screw rod; a first rotating handle is fixedly connected to the top of the screw rod, a second rotating handle is threadedly connected to the middle of the screw rod, and a tapered body is connected to the bottom of the screw rod; the tapered body is large at the top and small at the bottom;

[0006] A pushing cylinder is arranged below the second rotating handle; the pushing cylinder covers the outside of the screw rod, and the bottom is matched with the differential lock shell;

[0007] A claw support seat is sleeved on the screw rod; an installation groove is formed in the bottom of the claw support seat; two claws are arranged in the installation groove; the top of the claw is hinged to the claw support seat, the bottom is attached to the surface of the tapered body, and the bottoms of the two claws are contracted through an elastic O-shaped ring.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme, the end of the first rotating handle is provided with a U-shaped fork structure; the top of the screw rod is provided with a first connecting seat; an insertion groove is formed in the first connecting seat; the fork structure can be matched with the insertion groove to realize the connection between the first rotating handle and the screw rod.

[0009] As a preferred scheme of the above scheme, the second rotating handle end is provided with a character-shaped fork structure; the screw rod middle part is provided with a second connecting seat; the second connecting seat is in an inverted character shape, an upper half is provided with an insertion groove, and a lower half is provided with a push-pull snap spring groove; the second rotating handle is connected to the second connecting seat through the fork structure and the insertion groove; and the push cylinder top is connected to the second connecting seat upper half bottom through a thrust bearing and is limited by a snap spring in the push-pull snap spring groove.

[0010] As a preferred scheme of the above scheme, the screw rod bottom end is provided with a connecting rod; the connecting rod diameter is smaller than the screw rod diameter; the taper body is detachably connected to the connecting rod bottom through a bolt; the claw supporting seat center is provided with a through hole; and the through hole is divided into an upper half and a lower half and cooperates with the screw rod and the connecting rod respectively.

[0011] As a preferred scheme of the above scheme, the claw bottom end is provided with a convex part away from the taper body side face; the convex part middle part is concave to form a groove; and the elastic O-shaped ring is sleeved on the groove.

[0012] The present application has the advantages that: the taper body is used to open the claw to fix the whole device and the differential lock, then the second rotating handle is rotated to drive the push cylinder to push down the differential lock shell, so that the snap spring groove in the differential lock is exposed, and then the snap spring is installed into the snap spring groove, so that the structure is simple and the operation is convenient.

[0013] The present application is convenient and flexible, is not limited to the installation site or position of the differential lock, does not need to transfer the differential lock, saves time and labor, and can improve the work efficiency; meanwhile, the differential lock shell is not damaged basically, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a sectional view of the present application.

[0015] Figure 2 It is a first rotating handle structure schematic view of the present application.

[0016] Figure 3 It is a second connecting seat structure schematic view of the present application.

[0017] Figure 4 It is a claw supporting seat sectional view of the present application.

[0018] Figure 5 It is Figure 4 It is a sectional view of AA.

[0019] Figure 6 It is a differential lock cooperation schematic view of the present application.

[0020] Figure: 1, screw; 2, the first rotating handle; 3, the second rotating handle; 4, the taper body; 5, the push cylinder; 6, the claw support seat; 7, the claw; 8, the first connecting seat; 9, the plug-in groove; 10, the second connecting seat; 11, the push-pull snap spring groove; 12, the thrust bearing; 13, the elastic O-ring; 14, the connecting rod; 15, the convex part; 21, the fork head structure. DETAILED DESCRIPTION

[0021] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0022] As Figure 1 shown, a differential lock piston mounting device, comprising: screw 1, screw 1 top fixed connection has the first rotating handle 2, middle part screw connection has the second rotating handle 3, bottom connection has the taper body 4, taper body 4 is small on the bottom big.

[0023] Specifically, as Figure 2 shown, the first rotating handle 2 end is provided with the N-shaped fork head structure 21. The screw 1 top is fixedly provided with the first connecting seat 8, the first connecting seat 8 is provided with the plug-in groove 9, and the N-shaped fork head structure 21 can be connected with the plug-in groove 9 to realize the connection of the first rotating handle 2 and the screw 1. At the same time, the second rotating handle 3 end is also provided with the N-shaped fork head structure 21. The screw 1 middle part is screw-connected with the second connecting seat 10. The second connecting seat 10 cross section is inverted N-shaped, and the diameter change part is divided into upper and lower halves, the upper half is provided with the plug-in groove 9, and the lower half is provided with the push-pull snap spring groove 11. The second rotating handle 3 is connected on the second connecting seat 10 by the cooperation of the fork head structure 21 and the plug-in groove 9. The second rotating handle 3 can drive the second connecting seat 10 to rotate.

[0024] The second rotating handle 3 below is provided with the push cylinder 5, the push cylinder 5 covers the outside of the screw 1, the bottom is matched with the differential lock shell to press down the differential lock shell. Specifically, the push cylinder 5 top is connected on the second connecting seat 10 upper half bottom through the thrust bearing 12, and is limited by the snap spring inside the push-pull snap spring groove 11. The thrust bearing 12 makes the push cylinder 5 and the second connecting seat 10 can rotate relatively, and the snap spring makes the push cylinder 5 and the second connecting seat 10 fixedly connected, so that the push cylinder 5 can ascend and descend with the second connecting seat 10.

[0025] As Figure 1 , Figure 4 and Figure 5As shown, the screw rod 1 is sleeved with a claw supporting seat 6, the bottom of the claw supporting seat 6 is provided with an installation groove, and two claws 7 are arranged in the installation groove. The top of the claw 7 is hinged to the claw supporting seat 6, the bottom inner side is attached to the inclined surface of the tapered body 4, and the bottoms of the two claws 7 are contracted through the elastic O-shaped ring 13. The claw supporting seat 6 can slide up and down relative to the screw rod 1, so that the position of the claw 7 cooperating with the tapered body 4 is changed, and the expansion and contraction of the claw 7 are realized.

[0026] Preferably, the bottom end of the screw rod 1 is provided with a connecting rod 14, and the diameter of the connecting rod 14 is smaller than that of the screw rod 1. The tapered body 4 is detachably connected to the bottom of the connecting rod 14 through bolts. The center of the claw supporting seat 6 is provided with a through hole, and the through hole is divided into upper and lower parts and cooperates with the screw rod 1 and the connecting rod 14 respectively, so that the claw supporting seat 6 can slide up and down along the screw rod 1 and the connecting rod 14.

[0027] The side of the bottom end of the claw 7 away from the tapered body 4 is provided with a protruding part 15, the middle part of the protruding part 15 is concave to form a groove, and the elastic O-shaped ring 13 is sleeved on the groove.

[0028] Working process: move the claw supporting seat 6 to be attached to the bottom surface of the screw rod 1, at this time the claw 6 is in a contracted state; insert the whole device into the differential lock, then fix the second rotating handle 3 with one hand, and rotate the first rotating handle 2 with the other hand, so that the screw rod 1 rises, drives the tapered body 4 to rise, expands the claw 6, and fixes the whole device with the differential lock; then fix the first rotating handle 2, rotate the second rotating handle 3, so that the second connecting seat 10 and the pushing cylinder 5 descend, press the differential lock shell downward, so that the snap spring groove in the differential lock is exposed, and the snap spring is installed, as shown. Figure 6

[0029] The above describes the preferred embodiment of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.​

Claims

1. A differential lock piston mounting arrangement characterised in that, The utility model relates to a kind of screw rod and the connecting structure of second rotary handle, including: Screw rod (1);The first rotating handle (2) is fixedly connected with the top of the screw rod (1), the second rotating handle (3) is threadedly connected with the middle part, and the taper body (4) is connected with the bottom;The taper body (4) is small on the top and big on the bottom; The second rotating handle (3) below is provided with push cylinder (5);The push cylinder (5) cover is in the outside of the screw rod (1), and the bottom is adapted with differential lock shell; The screw rod (1) is provided with jaw support seat (6) on the sleeve;The bottom of the jaw support seat (6) is provided with installation groove;Two clamps (7) are arranged in the installation groove;The top of the clamp (7) is hinged with the jaw support seat (6), the bottom is attached to the surface of the taper body (4), and the bottom of two clamps (7) is contracted by elastic O-ring (13).

2. A differential lock piston mounting device according to claim 1, wherein, The first rotating handle (2) end is provided with the structure of the fork head of the letter N (21);The top of the screw rod (1) is provided with first connecting seat (8);The first connecting seat (8) is provided with the structure of the fork head of the letter N (21);The first rotating handle (2) is connected with the screw rod (1) by the cooperation of the structure of the fork head of the letter N (21) and the structure of the fork head of the letter N (21).

3. A differential lock piston mounting device according to claim 1, wherein The second rotating handle (3) end is provided with the structure of the fork head of the letter N (21);The screw rod (1) is threadedly provided with second connecting seat (10) in the middle part;The second connecting seat (10) is inverted convex in section, and the upper half is provided with the structure of the fork head of the letter N (21), and the lower half is provided with push-pull clamp spring groove (11);The second rotating handle (3) is connected on the second connecting seat (10) by the cooperation of the structure of the fork head of the letter N (21) and the structure of the fork head of the letter N (21);The top of the push cylinder (5) is connected on the bottom of the upper half of the second connecting seat (10) by thrust bearing (12), and is limited by the clamp spring arranged in the push-pull clamp spring groove (11).

4. A differential lock piston mounting device as claimed in claim 1, wherein, The bottom of the screw rod (1) is provided with connecting rod (14);The diameter of the connecting rod (14) is less than the diameter of the screw rod (1);The taper body (4) is detachably connected on the bottom of the connecting rod (14) by bolt;The center of the jaw support seat (6) is provided with through hole;The through hole is divided into upper and lower two parts, and is matched with the screw rod (1) and the connecting rod (14) respectively.

5. A differential lock piston mounting device as claimed in claim 1, wherein, The bottom of the clamp (7) is provided with convex part (15) on the side away from the taper body (4);The convex part (15) is concave in the middle part and forms groove;The elastic O-ring (13) is sleeved on the groove.

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