CN207598867U - Box assembly before a kind of automotive transmission - Google Patents

Abstract

The utility model discloses box assemblies before a kind of automotive transmission, including preceding box main body, pedestal, axis hole and axle journal end cap, the upper surface of the preceding box main body is equipped with axis hole, pedestal is installed on the outside of the axis hole, the inner cavity of the axis hole is equipped with connecting cylinder, the inner wall top of the axis hole is equipped with internal thread, and surface is equipped with card slot at left and right sides of the inner wall bottom end of the axis hole.Box assembly before the automotive transmission, in sleeve when entering in axis hole, the inner wall of axis hole can be made to squeeze promotion rectangular block, spring is squeezed by connecting seat, card ball can be made to enter in sleeve, the preliminary fixation of progress can be rotated down with moving sleeve in axis hole by rotating clockwise pedestal, when card ball turns to the position of card slot, spring reset is by the springing of card ball into sleeve being fixed in card slot, the phenomenon that vibration causes pedestal to detach is generated when not only strengthening whole tightness, but also avoiding transmission duty.

Description

Box assembly before a kind of automotive transmission

Technical field

The utility model is related to automotive transmission technical field, box assembly before specially a kind of automotive transmission.

Background technology

At present, the MT speed changers that automobile engine is carried have respectively using mechanical drag-line separation and the fluid bearing side of separation Formula, this two ways proportion in MT speed changers is heavier, in case before developing speed changer, because mechanical and fluid pressure type is real The operating mechanism of existing separation function is different, so box structure is different before speed changer, so as to cause fluid pressure type and mechanical transmission Preceding babinet cannot share, for example, application No. is 201220702903.0 utility model, including preceding case ontology, the preceding case ontology On be provided with mounting base, mounting base detachable connection is provided with fluid pressure type release bearing assembly, alternatively, removable with mounting base The formula of unloading is connected with mechanical axle journal end cap, and mechanically one is shared with two different executing agencies of fluid pressure type although can realize Case ontology before a speed changer, but the mode of the generation bolt of pedestal and axis hole connects fixation, not only imprecision, but also in speed change The phenomenon that vibration can cause bolt to loosen is generated when device works, so as to which pedestal can reduce use there is a situation where detaching When safety.

Utility model content

The purpose of this utility model is to provide box assembly before a kind of automotive transmission, to solve to carry in above-mentioned background technology The problem of going out.

To achieve the above object, the utility model provides following technical solution：Box assembly before a kind of automotive transmission, including Preceding box main body, pedestal, axis hole and axle journal end cap, the upper surface of the preceding box main body are equipped with axis hole, and the outside of the axis hole is installed There is pedestal, the top of the pedestal is equipped with axle journal end cap, and the inner cavity of the axis hole is equipped with connecting cylinder, the inner wall of the axis hole Top is equipped with internal thread, and surface is equipped with card slot at left and right sides of the inner wall bottom end of the axis hole, and the bottom end of the pedestal is equipped with Sleeve, the sleeve match with axis hole, and the sleeve is socketed with connecting cylinder, and the outer wall top of the sleeve is equipped with external screw thread, The external screw thread is connected with internal thread screw thread, and bottom end is mounted on the dynamic device of card, the card at left and right sides of the inner cavity of the sleeve Dynamic device includes rectangular box, and the rectangular box is connected with sleeve, and spring, the spring are equipped on the inside of the inner cavity of the rectangular box Outside connecting seat is installed, the both sides up and down of the connecting seat are mounted on sliding block, the inside after the connecting seat up and down two End is mounted on inner cylinder, outer barrel is socketed on the outer wall of the inner cylinder, the inside of the outer barrel is connected with rectangular box, the connection The outside of seat is equipped with rectangular block, and the rectangular block runs through sleeve, is equipped with card ball on the outside of the rectangular block, the card ball with Card slot matches.

Preferably, the junction of the rectangular box and spring is equipped with spring base.

Preferably, the lower surface of the pedestal is fitted with sealing ring.

Preferably, the outer wall of the preceding box main body is equipped with erosion resistant coating.

Compared with prior art, the beneficial effects of the utility model are：Box assembly before the automotive transmission, by sleeve with Axis hole matches, and sleeve can be made to enter in axis hole, is socketed by sleeve and connecting cylinder, sleeve can be made to be sleeved on connecting cylinder, The inner wall of axis hole can be made to squeeze promotion rectangular block, connecting seat is pushed by rectangular block when entering in axis hole in sleeve simultaneously Sliding block is made to be slided on rectangular box, while connecting seat drives inner cylinder to slide the stability for strengthening connecting seat in outer barrel, passes through company Joint chair squeezes spring, and card ball can be made to enter in sleeve, is connected by external screw thread with internal thread screw thread, rotated clockwise Pedestal can rotate down in axis hole with moving sleeve and carry out preliminary fixation, when card ball turns to the position of card slot, spring It resets the springing of card ball into sleeve being fixed in card slot, dual fixation can be carried out, not only strengthen whole tight Property, and the phenomenon that vibration causes pedestal to detach is generated when avoiding transmission duty, improve safety during use.

Description of the drawings

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

Fig. 2 is the axial aperture structure schematic diagram of the utility model；

Fig. 3 is the sleeve inner structure diagram of the utility model；

Fig. 4 is that the card of the utility model moves apparatus structure schematic diagram.

In figure：1st, preceding box main body, 2, pedestal, 3, erosion resistant coating, 4, external screw thread, 5, card slot, 6, the dynamic device of card, 601, card ball, 602nd, rectangular block, 603, sliding block, 604, rectangular box, 605, outer barrel, 606, spring base, 607, spring, 608, inner cylinder, 609, connection Seat, 7, axis hole, 8, connecting cylinder, 9, sleeve, 10, sealing ring, 11, axle journal end cap, 12, internal thread.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：Box assembly before a kind of automotive transmission, including preceding Box main body 1, pedestal 2, axis hole 7 and axle journal end cap 11, the outer wall of preceding box main body 1 are equipped with erosion resistant coating 3, can be with by erosion resistant coating 3 The service life of box main body 1 before reinforcement, the upper surface of preceding box main body 1 are equipped with axis hole 7, and the outside of axis hole 7 is equipped with pedestal 2, bottom The lower surface of seat 2 is fitted with sealing ring 10, can strengthen the tightness between pedestal 2 and axis hole 7, pedestal 2 by sealing ring 10 Top axle journal end cap 11 is installed, the inner cavity of axis hole 7 is equipped with connecting cylinder 8, and the inner wall top of axis hole 7 is equipped with internal thread 12, Surface is equipped with card slot 5 at left and right sides of the inner wall bottom end of axis hole 7, and the bottom end of pedestal 2 is equipped with sleeve 9, sleeve 9 and 7 phase of axis hole Matching, is matched by sleeve 9 and axis hole 7, sleeve 9 can be made to enter in axis hole 7, sleeve 9 is socketed with connecting cylinder 8, passes through set Cylinder 9 is socketed with connecting cylinder 8, and sleeve 9 can be made to be sleeved on connecting cylinder 8, and the outer wall top of sleeve 9 is equipped with external screw thread 4, external screw thread 4 It is connected with 12 screw thread of internal thread, is connected by external screw thread 4 with 12 screw thread of internal thread, rotating clockwise pedestal 2 can be with moving sleeve 9 It is rotated down in axis hole 7 and carries out preliminary fixation, bottom end is mounted on the dynamic device 6 of card at left and right sides of the inner cavity of sleeve 9, and card is dynamic Device 6 includes rectangular box 604, and rectangular box 604 is connected with sleeve 9, and spring 607, spring are equipped on the inside of the inner cavity of rectangular box 604 607 be compressed spring, and coefficient of elasticity 22N/CM, rectangular box 604 and the junction of spring 606 are equipped with spring base 606, pass through Spring base 606 can strengthen the connection of rectangular box 604 and spring 606, and the outside of spring 607 is equipped with connecting seat 609, connecting seat 609 both sides up and down are mounted on sliding block 603, and 609 inside upper and lower ends are mounted on inner cylinder 608, connecting seat after connecting seat 609 can drive inner cylinder 608 to slide the stability for strengthening connecting seat 609 in outer barrel 605, be socketed on the outer wall of inner cylinder 608 Outer barrel 605, the inside of outer barrel 605 are connected with rectangular box 604, and the outside of connecting seat 609 is equipped with rectangular block 602, rectangular block 602 Through sleeve 9, the outside of rectangular block 602 is equipped with card ball 601, and sleeve 9 can make the inner wall of axis hole 7 when entering in axis hole 7 601 promotion rectangular blocks 602 are squeezed, pushes connecting seat 609 that sliding block 603 is made to be slided on rectangular box 604 by rectangular block 602, leads to It crosses connecting seat 609 to squeeze spring 606, card ball 601 can be made to enter in sleeve 9, card ball 601 matches with card slot 5, when When card ball 601 turns to the position of card slot 5, spring 607 resets, and 601 springing of card ball is fixed sleeve 9 into card slot 5 is interior.

During installation, sleeve 9 is directed at axis hole 7, sleeve 9 can be made to be inserted into axis hole 7, sleeve 9 can be made to be sleeved on connecting cylinder 8 On, while the inner wall of axis hole 7 can be made to squeeze 601 promotion rectangular blocks 602, pass through rectangle when entering in axis hole 7 in sleeve 9 Block 602 pushes connecting seat 609 that sliding block 603 is made to be slided on rectangular box 604, while connecting seat 609 drives inner cylinder 608 in outer barrel It slides in 605, spring 606 is squeezed by connecting seat 609, card ball 601 can be made to enter in sleeve 9, at this time clockwise Rotating base 2 can rotate down in axis hole 7 with moving sleeve 9 and carry out preliminary fixation, when card ball 601 turns to card slot 5 During position, spring 607 resets, and 601 springing of card ball is fixed sleeve 9 into card slot 5 is interior, can carry out to the dual of pedestal 2 It is fixed.

In the description of the present invention, it is to be appreciated that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " side ", " top ", " interior ", " forepart ", " center ", the orientation of the instructions such as " both ends " or position close Be for based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify description rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are only used for description purpose, and it is not intended that instruction or It implies relative importance or the implicit quantity for indicating indicated technical characteristic, defines " first ", " second ", " the as a result, Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

In the utility model unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu It is fixed ", the terms such as " being screwed on " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral； Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can be with It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of box assembly before automotive transmission, including preceding box main body (1), pedestal (2), axis hole (7) and axle journal end cap (11), institute The upper surface for stating preceding box main body (1) is equipped with axis hole (7), and pedestal (2) is equipped on the outside of the axis hole (7), the pedestal (2) Top is equipped with axle journal end cap (11), it is characterised in that：The inner cavity of the axis hole (7) is equipped with connecting cylinder (8), the axis hole (7) inner wall top is equipped with internal thread (12), and surface is equipped with card slot (5), institute at left and right sides of the inner wall bottom end of the axis hole (7) The bottom end for stating pedestal (2) is equipped with sleeve (9), and the sleeve (9) matches with axis hole (7), the sleeve (9) and connecting cylinder (8) it being socketed, the outer wall top of the sleeve (9) is equipped with external screw thread (4), and the external screw thread (4) is connected with internal thread (12) screw thread, Bottom end is mounted on the dynamic device of card (6) at left and right sides of the inner cavity of the sleeve (9), and the dynamic device (6) of card is including rectangular box (604), the rectangular box (604) is connected with sleeve (9), and spring (607) is equipped on the inside of the inner cavity of the rectangular box (604), Connecting seat (609) is installed, the both sides up and down of the connecting seat (609) are mounted on sliding block on the outside of the spring (607) (603), the inside upper and lower ends of (609) are mounted on inner cylinder (608) after the connecting seat, on the outer wall of the inner cylinder (608) Outer barrel (605) is socketed with, the inside of the outer barrel (605) is connected with rectangular box (604), the outside peace of the connecting seat (609) Equipped with rectangular block (602), the rectangular block (602) is equipped with card ball on the outside of sleeve (9), the rectangular block (602) (601), the card ball (601) matches with card slot (5).

2. box assembly before a kind of automotive transmission according to claim 1, it is characterised in that：The rectangular box (604) with The junction of spring (606) is equipped with spring base (606).

3. box assembly before a kind of automotive transmission according to claim 1, it is characterised in that：The following table of the pedestal (2) Face is fitted with sealing ring (10).

4. box assembly before a kind of automotive transmission according to claim 1, it is characterised in that：The preceding box main body (1) Outer wall is equipped with erosion resistant coating (3).