CN213439448U - Dismantling tool for middle clamp spring with rectangular cross section - Google Patents

Abstract

The utility model discloses a dismantlement frock of jump ring in middle of rectangular cross section relates to dismantlement frock technical field, aims at solving and destroys the dismantlement method and need dismantle with extra press outfit frock, and required equipment and human cost are great, and jump ring pincers are yielding, damage, inefficiency, the big problem of loss in the jump ring pincers dismantlement method. The key points of the technical scheme are that the device comprises a fixed seat, a cover plate and an equal-height bolt penetrating the centers of the fixed seat and the cover plate, wherein a movable baffle is rotatably connected to the equal-height bolt, a stepping groove is formed in the fixed seat, and a driving assembly for driving the movable baffle to rotate around the equal-height bolt is eccentrically arranged on the circumferential side surface of the fixed seat. When the driving bolt is screwed in, the jaw I of the movable baffle plate and the jaw II of the cover plate can be driven to move reversely, the clamp spring is opened, the inner circle of the spline is separated from the outer diameter of the spline shaft, the spline sleeve, the clamp spring and the tooling three are pulled out from the spline shaft from the axial direction, and the tool is easy, labor-saving, simple and convenient to use, high in disassembling efficiency and low in tooling manufacturing cost and durable.

Description

Dismantling tool for middle clamp spring with rectangular cross section

Technical Field

The utility model belongs to the technical field of the technique of dismantlement frock and specifically relates to a dismantlement frock of jump ring in the middle of the rectangular cross section is related to.

Background

The clamp springs are generally divided into shaft clamp springs and hole clamp springs according to purposes, and the middle clamp spring is a special usage: the clamp spring is designed to be positioned inside the matching of the inner spline and the outer spline for compact structure. Most commonly a linear circlip, circular in cross-section. The type can be contracted under the action of axial force, and the inner spline and the outer spline are easy to separate, so that the type is used for working conditions with smaller axial external force.

For the working condition of large axial external force, the middle clamp spring is designed to be rectangular in cross section, referring to fig. 1, the clamp spring comprises a spline shaft 7 and a spline sleeve 8, the spline shaft 7 is coaxially connected with the spline sleeve 8, a clamp spring groove 91 is formed in the circumferential side face of the spline shaft 7, and a clamp spring 9 is arranged in the clamp spring groove 91. The clamp spring 9 can firmly limit the axial relative movement of the internal spline and the external spline.

The method for disassembling the middle snap spring comprises the following steps,

1. a destruction and disassembly method: the assembly body of the spline shaft 7, the snap spring 9 and the spline housing 8 is placed on a special tool of a press, the pressure of the press is used for enabling the spline shaft 7 and the spline housing 8 to move in the axial direction relatively, the snap spring 9 is sheared, deformed or broken, and then the spline shaft 7 and the spline housing 8 are separated.

2. A snap spring clamp dismounting method: manually and manually stretching the clamp spring pincers between the two small holes of the clamp spring 9, expanding the clamp spring pincers to enable the clamp spring 9 to be unfolded and separated from the clamp spring groove 91 of the spline shaft 7, and then pulling out the spline housing 8.

The above prior art solutions have the following drawbacks: the breaking and disassembling method uses the spline end face to shear the snap spring, damages the spline, requires large pressure, needs an extra press for assembling a tool for disassembling, and has large equipment and labor cost, large scrapping cost and low efficiency; because the internal spline and the external spline are tightly matched and the space is small, when the clamp spring pliers extend into the clamp spring small hole and are opened, the clamp spring pliers can interfere with the spline sleeve 8 or the spline shaft 7 and can be realized only by the clamp spring pliers with special sizes; expanding big jump ring pincers and needing a lasting stable great power, cooperating the removal again in the axial simultaneously, the manual work is difficult to realize, and jump ring pincers roll off the jump ring aperture easily, and jump ring pincers are very easily out of shape, are damaged, and is inefficient, and the loss is big, therefore remains further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dismantlement frock of jump ring in the middle of the rectangular section, it has the light laborsaving, simple and convenient of jump ring in the middle of dismantling the rectangle, dismantles efficient effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a dismantlement frock of jump ring in middle of rectangular cross section, includes the cylindric fixing base of can inserting to establish in the spline cover, sets up the apron on the fixing base terminal surface and wear to establish equal altitude bolt in fixing base and apron center department, equal altitude bolt is last to rotate and is connected with the adjustable fender who is located between fixing base and apron, set up the groove of stepping down that supplies the adjustable fender rotatory in the fixing base, the eccentric drive assembly who drives the adjustable fender and wind equal altitude bolt rotation that is provided with on the circumference side of fixing base.

The utility model discloses further set up to: the driving assembly comprises a driving bolt eccentrically inserted on the circumferential side face of the fixed seat, and one end of the driving bolt extending into the abdicating groove is abutted to the movable baffle.

The utility model discloses further set up to: the bottom surface of the movable baffle is connected with a first clamping claw matched with the clamping spring.

The utility model discloses further set up to: and a second clamping claw matched with the clamping spring is also connected to the bottom surface of the cover plate.

The utility model discloses further set up to: and a fixing bolt is connected between the cover plate and the end face of the fixing seat.

To sum up, the utility model discloses a beneficial technological effect does:

through the setting of dismantling the frock, when drive bolt screwed in, the jack catch one that can drive adjustable fender opened towards opposite direction with the jack catch two of apron to open the jump ring, the jump ring opens the jump ring inslot wall of contact spline housing, circle breaks away from with the integral key shaft external diameter in the spline, upwards pulls out from the integral key shaft with spline housing, jump ring, frock three from the axile, and is light laborsaving, simple and convenient, dismantles efficiently, and the frock cost of manufacture is low, durable.

Drawings

Fig. 1 is a schematic view of a connection structure of a spline shaft, a spline housing and a snap spring in the background art.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 3 is a schematic sectional structure diagram of an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a connection structure for showing the fixing base, the movable baffle and the cover plate;

fig. 5 is a schematic view showing a connection structure of the fixing bolt.

In the figure, 1, a fixed seat; 11. a yielding groove; 2. a movable baffle; 21. a first clamping jaw; 3. a cover plate; 31. a second jaw; 4. an equal-height bolt; 5. a drive bolt; 6. fixing the bolt; 7. a spline shaft; 8. a spline housing; 9. a clamp spring; 91. a clamp spring groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 2 and 5, for the utility model discloses a dismantlement frock of jump ring in middle of rectangular section, including can insert cylindric fixing base 1 of establishing in spline housing 8, set up apron 3 on fixing base 1 terminal surface and wear to establish equal altitude bolt 4 of fixing base 1 and 3 center departments of apron, be connected with two fixing bolt 6 between apron 3 and fixing base 1 terminal surface, fixing base 1 plays and supports each part effect. The center of the fixed seat 1 is provided with a threaded hole which is a mounting hole of the equal-height bolt 4.

Referring to fig. 2 and 3, the equal-height bolt 4 is rotatably connected with a movable baffle 2 located between the fixed seat 1 and the cover plate 3, an abdicating groove 11 for the movable baffle 2 to rotate is formed in the fixed seat 1, and the abdicating groove 11 is a movable space of the movable baffle 2. And a driving component for driving the movable baffle 2 to rotate around the equal-height bolt 4 is eccentrically arranged on the circumferential side surface of the fixed seat 1. The center of the cover plate 3 is provided with a through hole for locking the equal-height bolt 4. There are two through-holes in apron 3 both sides, and fixing bolt 6 fixes apron 3 on fixing base 1 through these two holes. The top of the equal-height bolt 4 is an inner hexagon, the middle of the equal-height bolt is a polished rod matched with the cover plate 3 and the movable baffle 2, and the bottom of the equal-height bolt is a thread fastened on the fixed seat 1.

Referring to fig. 3 and 4, in the present embodiment, the driving assembly includes a driving bolt 5 eccentrically inserted on the circumferential side surface of the fixing base 1, and one end of the driving bolt 5 extending into the avoiding groove 11 abuts against the movable baffle 2. A threaded hole is formed in the eccentric position of the cylindrical surface of the fixed seat 1 and is a mounting hole of the driving bolt 5. The bottom surface of the movable baffle 2 is connected with a first clamping jaw 21 matched with the clamping spring 9, and the bottom surface of the cover plate 3 is also connected with a second clamping jaw 31 matched with the clamping spring 9. The driving bolt 5 is installed on the eccentric threaded hole of the fixed seat 1, and when the driving bolt 5 is screwed in, the jaw I21 of the movable baffle plate 2 and the jaw II of the cover plate 3 can be driven to open in opposite directions, so that the clamp spring 9 is opened. The clamp spring 9 is opened from the opening section of the clamp spring 9, the clamp spring 9 can keep the opening state unchanged after being opened, the clamp spring 9, the spline housing 8 and the disassembling tool are fixed together, and the spline housing 8 can be easily taken out manually. Convenient operation, high efficiency, stability, reliability and low cost.

The implementation principle of the embodiment is as follows: when the clamp spring 9 is disassembled, the disassembling tool is firstly put into the spline housing 7; and manually shifting the movable baffle 2 to close the first jaw 21 of the movable baffle 2 and the second jaw 31 of the cover plate 3, and rotating the tool to adjust the position until the closed first jaw 21 extends into the space between the end faces of the clamp springs 9.

And (3) clockwise screwing the driving bolt 5 by using an inner hexagonal wrench, so that the driving bolt 5 pushes the first jaw 21 of the movable baffle plate 2 and the second jaw 31 of the cover plate 3 to be opened, and the clamp spring 9 is opened accordingly. When the driving bolt 5 is screwed down to increase the torque rapidly, the clamp spring 9 is opened to contact with the inner wall of the clamp spring groove 91 of the spline housing 8, the inner circle of the spline is separated from the outer diameter of the spline shaft 7, and the spline housing 8, the clamp spring 9 and the tooling can be pulled out of the spline shaft 7 from the axial direction easily by hand.

And (3) loosening the driving bolt 5 anticlockwise, closing the first jaw 21 of the movable baffle plate 2 and the second jaw 31 of the cover plate 3, and taking out the tool. The clamp spring pliers are inserted into the two holes of the clamp spring 9, and the clamp spring 9 is pressed inwards to shrink the clamp spring 9, so that the clamp spring 9 can be easily taken out of the spline housing 8.

The utility model discloses the dismantlement frock of middle jump ring of rectangular cross section not only is applicable to the shaft hole cooperation of internal and external spline, is equally suitable for to the cooperation of ordinary full circular shaft hole.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (5)

1. The utility model provides a dismantlement frock of jump ring in middle of rectangular section which characterized in that: the spline housing comprises a cylindrical fixing seat (1) capable of being inserted into a spline housing (8), a cover plate (3) arranged on the end face of the fixing seat (1) and an equal-height bolt (4) penetrating the centers of the fixing seat (1) and the cover plate (3), wherein a movable baffle (2) positioned between the fixing seat (1) and the cover plate (3) is connected to the equal-height bolt (4) in a rotating mode, a yielding groove (11) for the movable baffle (2) to rotate is formed in the fixing seat (1), and a driving assembly for driving the movable baffle (2) to rotate around the equal-height bolt (4) is eccentrically arranged on the circumferential side face of the fixing seat (1).

2. The disassembly tool for the middle clamp spring with the rectangular cross section according to claim 1, is characterized in that: the driving assembly comprises a driving bolt (5) eccentrically inserted on the circumferential side face of the fixed seat (1), and one end, extending into the abdicating groove (11), of the driving bolt (5) abuts against the movable baffle (2).

3. The disassembly tool for the middle clamp spring with the rectangular cross section as claimed in claim 2, is characterized in that: and a first clamping jaw (21) matched with the clamping spring (9) is connected to the bottom surface of the movable baffle (2).

4. The disassembly tool for the middle clamp spring with the rectangular cross section according to claim 3, is characterized in that: and a second clamping claw (31) matched with the clamping spring (9) is also connected to the bottom surface of the cover plate (3).

5. The disassembly tool for the middle clamp spring with the rectangular cross section according to claim 1, is characterized in that: and a fixing bolt (6) is connected between the cover plate (3) and the end face of the fixing seat (1).

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