CN205918764U - Gearbox is holder for bearing - Google Patents

Abstract

The utility model relates to a gearbox is holder for bearing has hollow cylindric holder body, the surperficial equipartition of holder body has a plurality of recesses that are on a parallel with holder body axis, be equipped with steel ball raceway in the recess, set up the opening that has mutual latched device on the holder body. The utility model discloses increase each other latched device at the opening part, can guarantee circularity with the holder straining, simultaneously can to the holder opening carry on the axial, radially, vertically spacing, guarantee holder circularity, reduce the holder and warp.

Description

Change speed gear box needle bearing retainer

Technical field

This utility model is related to a kind of bearing mnanufacture technical field, and more particularly, to a kind of change speed gear box needle bearing keeps Frame.

Background technology

In the assembling of change speed gear box needle bearing is applied, there is split bearing cannot complete it is necessary to pass through by axially assembling Radial direction assembling mode completes.General retainer adopts radial opening, the material of deformable resilience and structure.Retainer structure is straight Wound packages structure, hatch frame has less (retainer having can be with longitudinal spacing or the axial limiting) of limit function, but due to Bad working environments can be deformed to retainer, affects bearing operation.

Content of the invention

The purpose of this utility model is the defect overcoming prior art to exist, and provides one kind can carry out axle to retainer opening To, radially, longitudinally spacing it is ensured that retainer circularity, reduce the change speed gear box needle bearing retainer of retainer deformation.

The technical scheme realizing this utility model purpose is: a kind of change speed gear box needle bearing retainer, has hollow Tubular retainer body；The surface of described retainer body is evenly equipped with some grooves parallel to retainer body axis；Institute State and in groove, be provided with steel ball rolling channel；The opening with mutual latching device is offered on described retainer body.

Mutual latching device described in technique scheme includes lock and lower lock；Described upper lock is by retainer body Upper latch hook at the opening of end left side and the upper locked groove at the right openings of retainer body upper end lock together composition；Described lower lock by Lower latch hook composition at lower locked groove at opening on the left of retainer body lower end and retainer body lower end right openings.

Upper lock described in technique scheme and lower lock are centrosymmetric setting.

Described in technique scheme, the height of upper lock is more than or less than the height of lower lock.

On lower lock described in technique scheme, there is bump mechanism；Described bump mechanism is by integrally formed with lower locked groove Left raised and integrally formed right projection is spliced to form with lower latch hook；" l " shape of the described left raised perpendicular upset in section；Institute The section stating right projection is in " l " shape of flip horizontal.

After technique scheme, this utility model has a following positive effect:

(1) this utility model increases mutual latching device at opening, can buckle retainer it is ensured that circularity；Simultaneously can be right Retainer opening carry out axial, radially, longitudinally spacing it is ensured that retainer circularity, reduce retainer deformation.

(2) this utility model adopts the mechanism that lower fore shaft protrudes, and strengthens retainer intensity.

Brief description

In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached Figure, is described in further detail to this utility model, wherein

Fig. 1 is structural representation of the present utility model.

Fig. 2 is perspective view of the present utility model；

Fig. 3 is the enlarged schematic partial view of mutual latching device of the present utility model；

Be numbered in accompanying drawing: retainer body 1, groove 2, mutual latching device 3, upper lock 4, lower lock 5, upper latch hook 6, on Locked groove 7, lower locked groove 8, lower latch hook 9, bump mechanism 10, left raised 11, right raised 12.

Specific embodiment

(embodiment 1)

See Fig. 1 to Fig. 3, this utility model has the tubular retainer body 1 of hollow；The surface of retainer body 1 is uniform There are some grooves 2 parallel to retainer body 1 axis；It is provided with steel ball rolling channel in groove 2；Offer on retainer body 1 There is the opening of mutual latching device 3.

Mutually latching device 3 includes lock 4 and lower lock 5；Upper lock is 4 by opening on the left of retainer body 1 upper end Upper locked groove 7 at upper latch hook 6 and retainer body 1 upper end right openings locks together composition；Lower lock is 5 by under retainer body 1 Lower locked groove 8 at the opening of end left side and the lower latch hook 9 at retainer body 1 lower end right openings form.

Upper lock 4 and lower lock 5 are centrosymmetric setting.

The height of upper lock 4 is more than or less than the height of lower lock 5.

On lower lock 5, there is bump mechanism 10；Bump mechanism 10 by integrally formed with lower locked groove 8 left raised 11 and with Latch hook 9 integrally formed right raised 12 is spliced to form；" l " shape of the perpendicular upset in left raised 11 section；Right raised 12 cut Face is in " l " shape of flip horizontal.

Above specific embodiment, has carried out detailed further to the purpose of this utility model, technical scheme and beneficial effect Describe in detail bright, be should be understood that and the foregoing is only specific embodiment of the utility model, be not limited to this practicality New, all of the present utility model spirit and principle within, any modification, equivalent substitution and improvement done etc., should be included in Within protection domain of the present utility model.

Claims (4)

1. a kind of change speed gear box needle bearing retainer, has tubular retainer body (1) of hollow；Described retainer body (1) surface is evenly equipped with some grooves (2) parallel to retainer body (1) axis；It is provided with steel ball rolling in described groove (2) Road；It is characterized in that: offer the opening with mutual latching device (3) on described retainer body (1)；Described mutual latching device (3) lock (4) and lower lock (5) in inclusion；Described upper lock (4) is by the locking of opening on the left of retainer body (1) upper end Upper locked groove (7) at hook (6) and retainer body (1) upper end right openings locks together composition；Described lower lock (5) is by retainer Lower locked groove (8) at opening on the left of body (1) lower end and the composition of the lower latch hook (9) at the right openings of retainer body (1) lower end.

2. a kind of change speed gear box needle bearing retainer according to claim 1 it is characterised in that: described upper lock (4) It is centrosymmetric setting with lower lock (5).

3. a kind of change speed gear box needle bearing retainer according to claim 1 it is characterised in that: described upper lock (4) Height be more than or less than lower lock (5) height.

4. a kind of change speed gear box needle bearing retainer according to Claims 2 or 3 it is characterised in that: described lower lock (5) there is on bump mechanism (10)；Described bump mechanism (10) by integrally formed with lower locked groove (8) left projection (11) and with The integrally formed right projection (12) of latch hook (9) is spliced to form；" l " shape of the perpendicular upset in section of described left projection (11)；Institute The section stating right projection (12) is in " l " shape of flip horizontal.