CN209239844U - Four grab locked and fixed seat - Google Patents

Abstract

The utility model discloses a kind of fixing seats, belong to one kind four and grabs locked and fixed seat, in the interior bottom portion mounting seat of shell, the middle part of shell is equipped with bearing hole, the top of shell is equipped with shaft hole, shaft is equipped with inside shaft hole, one end of shaft has been equipped with hexagonal casing, the inside of shell is set there are two bevel gear set, it is connected as one between two bevel gear sets by shaft, shaft is mounted on the cone tooth of bevel gear set, rotation from spanner is transmitted to the two sides of fixing seat by bevel gear set and shaft, worm and gear is installed in the vertical transmission in two sides again, screw rod is installed on worm gear, the front end of screw rod is installed by locking bar, locking bar is placed in locking bar road, locking bar road is mounted on shell, locking bar road can limit the rotation of locking bar, the rotation of vertical direction is transmitted to the rotation in level by the structure of worm and gear, so that lock The technical problems such as bar can be moved forward and backward, and the assembly efficiency that can be generated with effective solution due to bearing fixed seat is low.

Description

Four grab locked and fixed seat

Technical field

The utility model relates to one kind four to grab locked and fixed seat, more specifically, the utility model relates generally to one kind admittedly Reservation.

Background technique

Nowadays, mechanical to be seen everywhere in life, the component of machine with movable function is very widely used, such as The equipment such as manipulator are usually mounted on bearing, bearing (Bearing) on needing movable components in this kind of equipment It is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced in its motion process Coefficient of friction (friction coefficient), and guarantee its rotating accuracy (accuracy), when assembling this type component When, the outer ring fixation of bearing just needs to use fixing seat, and fixing seat needs to provide certain support force for bearing, with regard to current Speech, bearing so bearing fixed seat is respectively mounted national standard bearing and is designed, and are a standard rolling bearings to be mostly state's tender Therefore the fixing seat of a corresponding size installs a variety of bearings in the same part and just needs to purchase a variety of bearing fixed seats, It is easy to take fixing seat by mistake when equipment and assembly time increases, reduce assembly efficiency, therefore, it is necessary to be fixed for due to bearing The low problem of the assembly efficiency that seat generates is studied.

Utility model content

One of the purpose of this utility model is in view of the above deficiencies, to provide one kind four and grab locked and fixed seat, with potential solution Certainly in the prior art due to technical problems such as assembly efficiency is low that bearing fixed seat generates.

In order to solve the above technical problems, the utility model uses following technical scheme:

Provided by the utility model a kind of four grab locked and fixed seat, and the fixing seat includes shell, set on the shell There is bearing hole, the top of the shell is equipped with shaft hole, and the lower part of the shaft hole is equipped with shaft, the top of this shaft Equipped with turret head, the enclosure interior is equipped with two pairs of bevel gear sets, is mounted on shaft on the gear of two pairs of bevel gear sets, It is integrated between two pairs of bevel gear sets by a shaft installation, in the shaft vertical positioned at side there are two installations Worm screw, the worm and worm wheel match, the worm gear towards being equipped with screw rod in the one side of bearing hole, the worm gear it is another Shaft is installed, the screw rod and locking bar match, and the locking bar is mounted in locking bar road, are equipped with inside the locking bar road on face Lubricant.

Preferably, further technical solution is: the enclosure interior is equipped with two groups of above-mentioned apparatuses, it is described be located at turn Installation is there are three shaft in the bevel gear set of axis hole lower part, the direction of three shafts be straight up, it is horizontal to the left and water It puts down to the right, the axis of three shafts is in the same plane.

Further technical solution is: worm gear one side center is equipped with screw rod, feels at ease in the worm gear another side Equipped with shaft.

Further technical solution is: is all provided in all shafts there are two fixed ring, all fixed rings sides are equal Support base is installed, two fixed rings in the same shaft are located between two support bases, alternatively, described same turn Two support bases on axis are located between two fixed rings.

Compared with prior art, the beneficial effects of the utility model first is that: by shell interior bottom portion install bottom Seat, the middle part of shell are equipped with bearing hole, and bearing hole is equipped with shaft hole, sets inside shaft hole for installing bearing, the top of shell There is shaft, one end of shaft has been equipped with hexagonal casing, and spanner can turn shaft, the inside of shell by shaft hole If being connected as one between two bevel gear sets by shaft, being mounted on the cone tooth of bevel gear set there are two bevel gear set Rotation from spanner is transmitted to the two sides of fixing seat, then the transmission vertical in two sides by bevel gear set and shaft by shaft Upper installation worm and gear installs screw rod on worm gear, and locking bar is installed in the front end of screw rod, and locking bar is placed in locking bar road, locking bar road peace On shell, locking bar road can limit the rotation of locking bar, be transmitted to the rotation of vertical direction by the structure of worm and gear Rotation in level, is moved forward and backward locking bar, by the back-and-forth motion of locking bar, so that the available diameter inside bearing hole Become larger/small, the adjustment to the available space in the same fixing seat may be implemented by above structure, so that same solid The skills such as reservation can be adapted for the bearing of multiple models, and the assembly efficiency that can be generated with effective solution due to bearing fixed seat is low Art problem.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for illustrating the utility model one embodiment；

Fig. 2 is the structural schematic diagram at Fig. 1 A；

In figure, 1 it is shell, 2 is shaft hole, 3 is shaft, 4 is bevel gear set, 5 is fixed ring, 6 is support base, 7 is snail Bar, 8 be worm gear, 9 be bearing hole, 10 be locking bar road, 11 be screw rod, 12 be locking bar.

Specific embodiment

The utility model is further elaborated with reference to the accompanying drawing.

One kind four with reference to shown in Fig. 1 grabs locked and fixed seat, and the fixing seat includes shell 1, and the inside of shell 1 is sky The heart, the bottom mounting seat of shell 1, the middle part of shell 1 are equipped with bearing hole 9, and the top of shell 1 is equipped with shaft hole 2, shaft hole 2 Inside is equipped with shaft 3, and the inside that one end of shaft 3 has been equipped with hexagonal casing 1 is set there are two bevel gear set 4, two bevel gears It is connected as one between group 4 by a shaft 3, one of bevel gear set 4 is mounted in the shaft 3 of 2 lower part of shaft hole, separately Installation is mounted on shaft 3 on two cone teeth of one bevel gear set 4, and one of shaft 3 is mounted on 2 lower part of shaft hole Bevel gear set 4 on, straight down, installation is there are two worm screw 7 in shaft 3 straight down, two worm screws 7 for another shaft 3 Straight down, two worm screws 7 match with worm gear 8 respectively, and the rotation direction of two worm gears 8 is mutually hung down with the rotation direction of worm screw Directly, worm gear 8 is equipped with shaft in the one side of bearing hole 9 towards screw rod 11, worm gear 8 is mounted in the one side of bearing hole 9 3, it is combined with locking bar 12 on screw rod 11, is internal screw thread on locking bar 12, the outside of locking bar 12 is mounted on inside locking bar road 10, locking bar 12 outside and the inside smoother in locking bar road 10, and it is coated with lubricant, it will be come from by above-mentioned two bevel gear set 4 The rotation of the vertical direction of the shaft 3 of 2 lower part of shaft hole, is transmitted to the side of fixing seat, will be erected by the structure of worm and gear Histogram to rotation be transmitted to the rotation in level, locking bar is moved forward and backward, by the back-and-forth motion of locking bar, so that axis Available diameter inside bearing bore becomes larger/and it is small, the tune to the available space in the same fixing seat may be implemented by above structure It is whole, so that the same fixing seat can be adapted for the bearing of multiple models.

In the present embodiment, in order to guarantee the work center of circle of fixing seat upper bearing aperture 9 always in same point, in shell 1 Two sets of above-mentioned apparatuses of inside installation, are separately mounted to the two sides of 1 upper bearing aperture 9 of shell, and for the movement velocity phase of locking bar 12 Together, be located at 2 lower part of shaft hole bevel gear set 4 on install three bevel gears, the axis of three bevel gears in the same plane, A shaft 3 is respectively mounted on three bevel gears so that three shafts one are straight up, a level to the left with a horizontal direction All shafts 3 are installed in the center of respective bevel gear to guarantee that transmission works well by the right side.

Referring again to shown in Fig. 1, another embodiment according to the present utility model, by the way that screw rod 11 is mounted on worm gear 8 Center position on one face, and screw rod 11 is mounted on the side towards bearing hole 9, and screw rod 11 is protected with worm gear 8 Identical angular speed is held, and the bounce of circumference does not occur, shaft 3 is installed in the back case of worm gear 8, shaft 3 can keep worm gear 8 Balance, so that worm gear 8 does not roll.

On the other hand, another embodiment according to the present utility model, in order to guarantee bevel gear set 4, worm gear 8 and worm screw 7 The normal rotation of equal components, installs fixed ring 5, it is axial that fixed ring 5 can prevent shaft 3 from occurring in all shafts 3 Displacement, is respectively mounted support base 6,6 one side of support base can support shaft 3, on the other hand can limit shaft by fixed ring 5 3 axial displacements, the support base 6 in the same shaft 3 is mounted between two fixed rings 5, alternatively, in the same shaft 3 Support base 6 is mounted on except two fixed rings 5, so that two fixed rings 5 of the same shaft 3 are stuck between two support bases 6, Or two support bases 6 of the same shaft 3 are stuck between two fixed rings 5.

Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment Other embodiments are closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.

Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still, It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block And/or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.

Claims (4)

1. one kind four grabs locked and fixed seat, it is characterised in that: the fixing seat includes shell (1), and the shell (1) is equipped with axis The top of bearing bore (9), the shell (1) is equipped with shaft hole (2), and the lower part of the shaft hole (2) is equipped with shaft (3), described The top of this shaft (3) is equipped with turret head, is equipped with two pairs of bevel gear sets (4), two pairs of bevel gear sets inside the shell (1) (4) it is mounted on gear shaft (3), is integrated between two pairs of bevel gear sets (4) by shaft (3) installation, There are two worm screw (7) for installation in the shaft (3) vertical positioned at side, and the worm screw (7) and worm gear (8) match, described Worm gear (8) is equipped with shaft on the another side of the worm gear (8) towards being equipped with screw rod (11) in the one side of bearing hole (9) (3), the screw rod (11) and locking bar (12) match, and the locking bar (12) is mounted in locking bar road (10), the locking bar road (10) internal to be equipped with lubricant.

2. according to claim 1 four grab locked and fixed seat, it is characterised in that: be located at the bevel gear of shaft hole (2) lower part Installation is there are three shaft (3) in group (4), the direction of three shafts (3) be straight up, it is horizontal to the left and horizontally to the right, The axis of three shafts (3) is in the same plane.

3. according to claim 1 four grab locked and fixed seat, it is characterised in that: worm gear (8) the one side center is equipped with Screw rod (11), worm gear (8) the another side center are equipped with shaft (3).

4. according to claim 2 or 3 four grab locked and fixed seat, it is characterised in that: there are two being all provided on all shafts (3) Fixed ring (5), all fixed rings (5) sides are mounted on support base (6), and two on the same shaft (3) are solid Ring (5) are determined between two support bases (6), alternatively, two support bases (6) in the same shaft (3) are located at two Between fixed ring (5).