CN209067698U - Pull rod - Google Patents

Abstract

The utility model discloses a kind of pull rods, including hand-held part, extension and set head, extension to be connected between hand-held part and set head；The first end of extension includes the first plane and the second plane, and the first plane and the second plane are parallel to each other, and the vertical line direction of the first plane to the second plane is equipped with first through hole；Covering head includes the first connecting plate, backboard and the second connecting plate, and backboard is connected between the first connecting plate and the second connecting plate, is equipped with the second through-hole on the first connecting plate and the second connecting plate；First end is fixedly connected by fastener with the first connecting plate and the second connecting plate, and fastener is successively arranged in the second through-hole of the second through-hole of the first connecting plate, the first through hole of first end and the second connecting plate.The pull rod can pass to shift fork and the more stable pulling force of release bearing, and then release bearing is clamped with the snap ring of diaphragm spring securely, it is therefore prevented that release bearing loosens from the snap ring.

Description

Pull rod

Technical field

The utility model relates to a kind of pull rods.

Background technique

Manual transmission needs by shift fork then clutch separation to be shifted gears again in shift.Passing through shift fork It will need to connect the diaphragm spring of the release bearing of gearbox and clutch before clutch separation, so that acting on shift fork Power can be transferred on the release bearing connecting with shift fork, so that the active force acts on diaphragm spring.

However, there are many difficulties when release bearing being connect with diaphragm spring in the prior art, existing way be Before engine-gearbox is fit, entangles the head of shift fork in advance using a noose, the noose is pullled outside the shell of gearbox, By the way that instantaneously release bearing is pushed into the snap ring of diaphragm spring with sudden force.But noose is easy to skid at shift fork head, and noose It is difficult to be clamped release bearing preferably to snap ring with sudden force, release bearing is easy to cause to loosen from the snap ring.

Another way is to protrude into a crow bar by the observation panel of gearbox, agitates shift fork or separation shaft by crow bar It holds, moves release bearing to engine direction along a pipe spreader, complete the connection of release bearing and snap ring.The way lacks Point is: one, the observation panel position of different model gearbox is not fixed, and size is not fixed, and the space size that can be used for operating is not It is fixed, do not have versatility；Two, the length, thickness of crow bar are uncertain, also do not have versatility；Three, crow bar is needed by fulcrum, Usually by the edge of observation panel as fulcrum, it is easy to leave the trace that collides in appearance；Four, due to a pipe spreader with point Holding mesoporous off axis is slip cooperating relationship, and surface processing accuracy is more demanding, so that crow bar may contact and scratch a pipe spreader； Five, limitation of the movement of crow bar by operating space is not easy to have an effect, so that assembly qualified rate is low, it is offline to be very easy to be out of order.

Utility model content

The technical problems to be solved in the utility model is to overcome in the prior art using noose or crow bar auxiliary separation When bearing is connect with clutch, release bearing is easy to cause to loosen from the snap ring, generates the low defect of assembly qualified rate, provided A kind of pull rod.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of pull rod, including a hand-held part, an extension and a set of head, the extension be connected to the hand-held part and Between the set head.

The first end of the extension includes the first plane and the second plane, first plane and the second plane phase Mutually parallel, first plane to the vertical line direction of second plane is equipped with first through hole.

The set head includes the first connecting plate, backboard and the second connecting plate, and the backboard is connected to first connection Between plate and second connecting plate, the second through-hole is equipped on first connecting plate and second connecting plate.

The first end is fixedly connected by a fastener with first connecting plate and second connecting plate, described tight Firmware is successively arranged in the second through-hole of first connecting plate, the first through hole of the first end and second connecting plate In second through-hole.

What the utility model obtained has the technical effect that the hand-held part by holding pull rod, and stabilization can be generated on pull rod Pulling force；And can extend into the hole of the booster of gearbox by extension, will not because of the hole of booster size and limit Extension protrudes into.Shift fork head is entangled on set head, can prevent set head from skidding from shift fork head.And pull rod can pass to Shift fork and the more stable pulling force of release bearing, and then release bearing is clamped with the snap ring of diaphragm spring securely, it is therefore prevented that Release bearing loosens from the snap ring.

Also, the pull rod will not be limited to the shape of the observation panel of gearbox as crow bar, which does not need to prop up yet Point will not cause to wear, will not scratch a pipe spreader to the observation panel of gearbox.The pull rod not will receive the office of operating space Limit, is easier to have an effect, can greatly improve assembly qualified rate by the structure of hand-held part.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the pull rod of the utility model embodiment 1.

Fig. 2 is the structure on the set head of the pull rod of the utility model embodiment 1 and the unlocked connection of first end of extension Schematic diagram.

Specific embodiment

A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.

Embodiment 1

The present embodiment provides a kind of pull rods, as shown in Figs. 1-2, including a hand-held part 1, an extension 2 and a set of head 3.

Hand-held part 1 is for hand-held component, which may include a lantern ring, and the shape of the lantern ring is substantially in semicircle Shape.The lantern ring of substantially semicircular in shape is conducive to user's gripping.But the shape of the hand-held part is unlimited as known to those skilled in the art In this, as long as it is hand-held to be conducive to user.

Preferably, hand-held part 1 and extension 2 are integrally formed, and when integrated molding can transmit stable power.

The extension 2 is connected between the hand-held part 1 and the set head 3.

The first end 21 of the extension 2 includes the first plane 22 and the second plane 23, first plane 22 and described Second plane 23 is parallel to each other, and first plane 22 to the vertical line direction of second plane 23 is equipped with first through hole 24.It should Extension can be a straight-bar, so that extension is protruded into from the hole of the booster of gearbox.

The set head 3 includes the first connecting plate 31, backboard 32 and the second connecting plate 33, and the backboard 32 is connected to described Between first connecting plate 31 and second connecting plate 33.Preferably, first connecting plate, the backboard and described second connect Fishplate bar is integrally formed, and when integrated molding can transmit stable power.The outer profile on the set head 3 can substantially be in infundibulate, greatly It causes to be conducive to be sheathed on shift fork head in funnel shaped set head.

The second through-hole 34 is equipped on first connecting plate 31 and second connecting plate 33.

The first end 21 is fixedly connected by fastener 4 with first connecting plate 31 and second connecting plate 32, The fastener 4 is successively arranged in 24 and of first through hole of the second through-hole 34 of first connecting plate 31, the first end 21 In second through-hole 34 of second connecting plate 33.The fastener can be but be not limited to bolt.

Since first end is fixedly connected with set head by fastener, can be wanted according to the difference to set head shape It asks and replaces different set heads, to enhance the use compatibility of pull rod.

When in use, the hand-held part for holding pull rod, the back that pull rod is protruded into from the booster hole of gearbox, and will cover head Sleeve-board is set to the rear side of the shifting block of shift fork, and wrenches pull rod outward.The pulling force that pull rod generates is transferred to release bearing by shift fork, Release bearing along and the contrary direction of pulling force that generates of pull rod moved on an axis of gearbox, moment and clutch Snap ring engaging at diaphragm spring.

The pull rod of the present embodiment can pass to shift fork and the more stable pulling force of release bearing, and then by release bearing jail Admittedly be clamped with the snap ring of diaphragm spring, it is therefore prevented that release bearing loosens from the snap ring.And the pull rod will not be as crow bar one Sample is limited to the shape of the observation panel of gearbox, does not also need fulcrum, will not cause to wear to the observation panel of gearbox, will not Scratch a pipe spreader.The pull rod not will receive the limitation of operating space also, be easier to have an effect by the structure of hand-held part, Neng Gou great It is big to improve assembly qualified rate.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence Change, but these change and modification each fall within the protection scope of the utility model.

Claims (4)

1. a kind of pull rod, which is characterized in that including a hand-held part, an extension and a set of head, the extension is connected to institute It states between hand-held part and the set head；

The first end of the extension includes the first plane and the second plane, and first plane and second plane are mutually flat Row, first plane to the vertical line direction of second plane are equipped with first through hole；

The set head include the first connecting plate, backboard and the second connecting plate, the backboard be connected to first connecting plate and Between second connecting plate, the second through-hole is equipped on first connecting plate and second connecting plate；

The first end is fixedly connected by a fastener with first connecting plate and second connecting plate, the fastener Successively it is arranged in the second of the second through-hole of first connecting plate, the first through hole of the first end and second connecting plate In through-hole.

2. pull rod as described in claim 1, which is characterized in that first connecting plate, the backboard and second connection Plate is integrally formed.

3. pull rod as described in claim 1, which is characterized in that the hand-held part and the extension are integrally formed.

4. the pull rod as described in any one of claim 1-3, which is characterized in that the hand-held part includes a lantern ring.