CN2409017Y

CN2409017Y - Bearing mounting device

Info

Publication number: CN2409017Y
Application number: CN99256457U
Authority: CN
Inventors: 陈钰霖
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-22
Filing date: 1999-12-22
Publication date: 2000-12-06
Anticipated expiration: 2009-12-22

Abstract

The utility model relates to a bearing mounting device, which is composed of a body, a containing device and a fastener. The body forms a side plate outwards, and the bottom of the side plate forms a T-shaped convex block which can be sheathed in by a claw hook with a corresponding T-shaped groove; the top of the containing body is an opening and is provided with a slide-groove and outer screw threads, the bottom of the containing body is locked fixedly with a fastening block and forms a fastening part, the containing body is sheathed in a spring, and is locked fixedly a casing ring after being respectively penetrated into the side plate of the body by the slide-groove; one end of the fastener forms a fastening groove which is used for being fastened in a fastening part of the fastening block, the other end forms a screw thread part which can be in screw connection in a screw thread hole of the center of an axle part for installing a bearing, and a push rod of a power device is used for pushing the top of the body, which can push the bearing to a preset position of the axle part.

Description

Bearing installer

The utility model relates to a kind of bearings mounted facility that are used for, and particularly relates to a kind of bearing installer simple in structure and easy to use.

On mechanical tool, the use of transmission device is quite extensive, comprising (the utility model are embodiment with the bearing) such as bearing, gear or belts are arranged, and rotates facility such as or transmission mechanism all can utilize bearing to improve the smoothness of its overall operation.Just because of this, make bearing use more industrial quarters pay attention to.Yet because the structural relation and the occupation mode thereof of bearing itself, the service life of most of bearing is not long, especially is not subjected to the toolroom machine of maintenance all the more so to some, therefore usually needs to change bearing.When if desired bearing being extracted, use oil pressure drawbench shown in Figure 1 now in the technology usually, this general drawbench can be extracted bearing easily.Though bearing drawing facility are arranged in the prior art, there is no bearings mounted facility, therefore the following three kinds of modes of many employings when bearing is installed:

1, manually weigh mode: promptly earlier bearing is installed in (as shown in Figure 2) on the turning cylinder, utilize again glue hammer or wooden mallet with about the mode of knocking up and down bearing is struck default position to the turning cylinder.This turning cylinder is the installing of fitted bearing, all can form the diameter of axle smaller than predeterminated position in its openend appropriate location, is beneficial to the sheathed assembling of bearing.But this kind mode easily causes the operation of turning cylinder, even causes the damage of bearing and make its service life shorter; And this mode only can be applied to the bearing of reduced size, and for those big employed bearings of facility, then can't be suitable for this method.

2, utilize the mode of expanding with heat and contract with cold that bearing is installed, i.e. utilization heating bearing becomes greatly its circle footpath and can be placed on easily in the part.But this mode practicality is poorer and more inconvenient, and the bearing after reason is to heat is easy to generate distortion and has influence on itself structure, and heating-up temperature is quite high, and is very inconvenient during assembling.Moreover, after bearing is inserted in a part, still need to utilize the mode of knocking that bearing is knocked on the part, have the defective of first kind of mode equally.

3, utilize the oil pressure bed that bearing is installed: it has been very inconvenient utilizing the oil pressure bed that bearing is installed, also restriction to some extent of the length of oil pressure bed still more, therefore the bearing of specific dimensions only can be installed, more do not possess generality, and the expense of special-purpose machinery is not low yet, and it is very uneconomic that major part is used the facility of bearing.

More than be bearings mounted several mode, these several modes not only might cause damage of bearings, and are simultaneously also very inconvenient.In view of this, the inventor is active development research, and the phase can be designed a kind of bearings mounted facility.Yet Providence doesn't let down a man who does his best at long last, and the inventor is based on being engaged in this series products manufacturing experience and long-term endeavour research and experiment for many years, and development and Design goes out the utility model finally, and can Jiahui consumer and industrial circle.

The purpose of this utility model promptly is to design a kind of simple in structure and easy to use, labour-saving bearing installer.

To achieve these goals, the utility model utilizes body, is installed with body and fastener constitutes a bearing installer.Body outwards is formed with side plate, and the bottom of side plate forms T shape projection and can be inserted in claw hook; Be installed with the body top end opening and be provided with chute and external screw thread, its bottom locking one binding block also forms a buckling parts, is installed with to lock with ring set after body is inserted in a spring and utilizes chute to penetrate the body side plate respectively; Fastener one end forms a buckling groove and is used to buckle into the buckling parts of binding block, and the other end forms the threaded portion and can screw togather to bearings mounted axle part screwed hole of centre; Bearing can be pushed into a part predeterminated position when utilizing power set pushing ram pushing tow bodies top.Below in conjunction with specific embodiment technical characterictic of the present utility model is described in further detail.

Fig. 1 is usually used in choosing the drawbench structural representation of bearing;

Fig. 2 is the schematic diagram of installation bearing method commonly used;

Fig. 3 is the decomposition texture schematic diagram of the utility model bearing installer;

Fig. 4 is the outside drawing of the utility model bearing installer;

Fig. 5 pushes up the bearing optimum position schematic diagram of pulling for the claw hook of the utility model bearing installer;

Fig. 6,7 is the body construction generalized section of the utility model bearing installer;

Fig. 8,9 is the structural profile schematic diagram behind this body action of the utility model bearing installer;

Figure 10,11 is the pull schematic diagram of body of the propelling masthead of the utility model bearing installer;

Figure 12,13 is the structural representation of the claw hook fixed side of the utility model bearing installer;

Figure 14 is the buckling parts of the utility model bearing installer and the structural representation of fastener;

Figure 15,16 is applied to the schematic diagram of buried bearing for the utility model bearing installer;

Figure 17 is the best schematic diagram for the claw hook of the utility model bearing installer and bearing fastening;

Figure 18 adds the structural representation of extension rod for the claw hook of the utility model bearing installer;

Figure 19 is the buckling parts cuboid schematic diagram of the utility model bearing installer;

Embodiment schematic diagram when Figure 20 uses for the utility model bearing installer.

The explanation of critical piece figure number:

1 main body, 10 bodies, 11 grooves, 111 recessed round portions, 12 side plates, 121 stop parts, 122 dimension marks, 13T shape projection, 14 claw hooks, 141T shape groove, 142 through holes, 142 ' screw, 143 recessed round portions, 143 ' dome portion, 144 screws, 145 torque springs, 146 perforation, 15 first extension rods, 151 threaded rods, 152 support surfaces, 153 recessed round portions, 153 ' dome portion, 16 second extension rods, 161 threaded rods, 162 support surfaces, 163 recessed round portions, 163 ' dome portion, 20 are installed with body, 201 openings, 21 chutes, 22 external screw threads, 23 binding blocks, 231 buckling parts, 231 ' cuboid, 24 collars, 241 internal threads, 26 springs, 27 oil compression rods, 271 depression bars, 272 pushing rams, 272 ' dome portion, 273 oil drain valves, 30 fasteners, 31 buckling grooves, 32 threaded portions, 40 bearings, 41 parts, 411 screwed holes, 412 predeterminated positions, 50 block pieces, 51 screwed holes.

Referring to Fig. 3, the utility model bearing installer main body mainly comprises body 10, is installed with body 20 and fastener 30.

Form a groove 11 in the middle of the body 10, body 10 outwards forms the side plate 12 that at least two equal angles distribute, the bottom of side plate 12 is formed with dovetail projection or T shape projection 13 (present embodiment is represented with T shape projection) and is inserted in and makes claw hook 14 to be able to slide on T shape projection 13 for the claw hook 14 that an end has corresponding dovetail groove or T-slot 141, the holding alignment bearings 40 in addition and be used for the top bearing 40 of pulling of claw hook 14.

The top that is installed with body 20 forms an opening 201 and offers and side plate 12 the same number of chutes 21, the periphery of opening 201 is formed with external screw thread 22, the bottom that is installed with body 20 is established the locking mode with spiral shell and is locked that (binding block 23 also can be directly integrally formed in the bottom that is installed with body 20 for a binding block 23, present embodiment is established solid lock mode with spiral shell and is represented), form a buckling parts 231 on the binding block 23; Correspondingly in the collar 24 ring encloses be installed with the external screw thread 22 of body 20 and be provided with internal thread 241, utilization is installed with after body 20 is inserted in a spring 26, utilizing its chute 21 to penetrate the side plate 12 of body 10 respectively and utilize the collar 24 to be locked again promptly becomes the erector body, as shown in Figure 4.

Power set or oil compression rod 27 (present embodiment is represented with oil compression rod) are locked to being installed with in the body 20, oil compression rod 27 is the propulsion plants with laborsaving catch bar, utilize the application of force of laborsaving depression bar 271 and its pushing ram 272 that utilizes oil pressure to advance is advanced, oil drain valve 273 can make pushing ram 272 have the function of homing, can be with reference to figure 4, Fig. 6 and Fig. 7.

One end of fastener 30 forms a buckling groove 31 so that the buckling parts 231 of binding block 23 buckles into wherein, and the end in addition of fastener 30 then is formed with threaded portion 32 and is used for fastener 30 is screwed togather the set screwed hole of installing to 40 desires of bearing 411 of axle part 41 central points.

The utility model in use, can utilize the oil compression rod 27 that is installed with in the body 20 as power set, and the buckling parts 231 that utilizes binding block 23 earlier fastens and has locked to the buckling groove 31 of the fastener 30 of the screwed hole 411 of axle spare 41, utilize on the body 10 the slidably inboard (as shown in Figure 5) of claw hook 14 terminal alignment bearings 40 again, and then utilize oil compression rod 27 and pull laborsaving depression bar 271 and its pushing ram 272 is pushed ahead; At this moment, because axle part 41 is fixed on machinery or the facility motionless, and the end in addition of claw hook 14 pushes up the bearing 40 of pulling again, therefore when pushing ram 272 is pushed ahead (referring to Fig. 8 and Fig. 9), can cause claw hook 14 to push away to pull bearing 40 simultaneously and slowly bearing 40 is advanced into the predeterminated position 412 of a part 41 along axle spare 41.After treating that action is finished, can be easily the buckling groove 31 of binding block 23 buckling parts self-clinching fasteners 30 be broken away from.So promptly bearing can be installed easily, and only need the oil drain valve 273 of oil compression rod 27 is pressed after being used to complete, pushing ram 272 is with self-return; Cooperate the top of spring 26 to draw the reinstate fruit back, will make pushing ram 272 self-returns more smooth.

The utility model does not have the shortcoming of common method in use fully, and can make it have more practicality and industrial utilization.

1, the utility model can utilize fastener to secure to a part and utilize and has the power set of labor-saving effect and to reach the labour-saving effect, avoided assembling mode commonly used a large amount of manpowers and the cost that must pay, and improved the practicality of product.

When 2, the utility model uses, can not destroy the footpath degree of primitive axis spare, more needn't remove to beat bearing, therefore unlikely destruction bearing or axle part more can not influence its service life.

When 3, using the utility model that bearing is installed, do not need to utilize special special-purpose machinery or any oil pressure bed, therefore can reduce cost.

4, the utility model overall structure is simple and be one, and not only volume is little and can be applied to the bearing of different size.

5, the utility model is easy to use, can be as shown in figure 20 with hand-held or reach every effect of the present utility model by the pedal power set, and be easy to carry.

6, the utility model is owing to only be provided with a buckling parts and cooperate the fastener be fixed to a part that bearing is installed being installed with on the body, so it is simple in structure, and manufacturing cost reduces relatively, quite has industrial utilization.

Referring to Fig. 3, Fig. 5, for preventing that claw hook 14 from producing unnecessary slip when tilting to use, one torque spring 145 can be set in the T-slot of claw hook 14 upper ends, in the middle of it perforation 146 can penetrate fixed screw 142 ', the two ends of torque spring 145 are then pushed up respectively and are pulled in the bottom and T-slot 141 of side plate 12, have a less top effect of pulling when claw hook 14 is moved.For making the optimum position that claw hook 14 can alignment bearings 40 and not destroying bearing, the lower end of claw hook 14 can form a recessed round portion 143, and makes the inner edge of recessed round portion 143 alignment bearings 40.

Moreover, when advancing for the pushing ram 272 that makes power set oil compression rod 27, be not subjected to the whether influence of aiming axis spare 41 central points of oil compression rod 27, the head of pushing ram 272 can be formed dome portion 272 ', and cooperate the set recessed round portion 111 (as shown in figure 11) in body 10 intermediate groove, 11 tops, so can make oil compression rod 27 have the effect of check and correction in use.

For making claw hook 14 on body 10T shape projection 13, fixing effect be arranged, thereby the slip that may occur in avoiding using or mobile, can form a through hole 142 at the horizontal side of claw hook 14T shape groove 141 and utilize a screw 142 ' lock and the groove footpath of T-slot 141 is dwindled slightly, reach the effect (with reference to figure 3 and Figure 12,13) of fastening claw hook 14 in body 10.

Certainly, claw hook 14 is unlikely to skid off from body 101 in order to make, and the stop part 121 that can also be pivoted in the end of side plate 12 is with the opening (with reference to figure 6 and Figure 13) of backstop claw hook 14T shape groove 141.

Again as shown in figure 14, being installed with on body 20 and the axle part 41 though buckling parts 231 and fastener 30 are separately positioned on, only is for fixedly connected; Therefore change respectively as with binding block 23 and fastener 30 and to be located at a part 41 and to be installed with body 20, can reach fixedly connected effect equally.

Referring to Figure 15,16, aforesaid structure is to be applied to outboard bearing 40 again, also is about to the predeterminated position that bearing 40 is installed in a part 41 outsides.But have some facility also adopt buried bearing 40 ', the utility model can be established a block piece 50 again on axle spare 41 for this reason, and screwed hole 51 is set at the center point.Establish equally a fastener 30 ', this fastener 30 ' be provided with equally buckling groove 31 ' and can buckle in the buckling parts 231 of binding block 23, fastener 30 ' in addition end then form long button and its terminal form threaded portion 32 ', in the screwed hole 51 that secures to block piece 50.Fastener 30 ' the buckling groove 31 that utilizes the buckling parts 231 of binding block 23 to fasten again to have secured to block piece 50 ', push ahead by the pushing ram 272 of power set or oil compression rod 27 equally, because axle part 41 ' be fixed on the facility motionless, so can by the top of claw hook 14 pull bearing 40 ' and with its top pull the precalculated position 412 that pushes a part 41 ' interior ', reach the effect that buried bearing is installed.

Equally, for make the top pull bearing its claw hook 14 of 40 ' time ' can align top pull bearing 40 ' the optimum position do not make bearing 40 ' go to pot, claw hook 14 ' other hold also can form a dome portion 143 ' and make dome portion 143 ' alignment bearing 40 ' outer rim (as shown in figure 17).

Moreover, for make claw hook 14 can install bearing 40 in the predeterminated position 412 of different depth ', the end of its claw hook 14 can be arranged with a screw 144 (as shown in figure 20), and cooperate first extension rod 15, the top of first extension rod 15 convexes with a threaded rod 151 and can screw togather screw 144 to claw hook 14, and the end of first extension rod 15 also forms a support surface 152, this support surface 152 also can be provided with respectively recessed round portion 153 or dome portion 153 ', pull to the optimum position of bearing 40 with the top.As mentioned above, second extension rod 16 also can be set, and the length of second extension rod 16 can be the twice of first extension rod, 15 length, and be provided with threaded rod 161 and support surface 162 equally, support surface 162 also can be provided with equally recessed round portion 163 or dome portion 163 ', reach and articulate the pull effect of bearing 40 of claw hook 14 and top.

In addition, be installed with body 20 binding blocks 23 buckling parts 231 can for the parallel rectangular portion 231 of opposite side ', and the fastener 30 buckling grooves 31 formed buckling grooves 31 that secured to a part 41 of can arranging in pairs or groups ' in, can make its unlikely relatively rotating (as shown in figure 19) whereby.

Also dimension mark 202 can be set being installed with on the body 20.And learn the advance distance of bearing 40 whereby, moreover, also can on side plate 12, form dimension mark 122, can learn the distance (as shown in figure 14) that claw hook 14 slides whereby.

Claims

1, a kind of bearing installer, it is characterized in that by body, be installed with body and fastener constitutes, form a groove in the middle of the described body and outwards form at least two side plates, the claw hook that the bottom of this side plate is formed with T shape projection and can supplies an end to have corresponding T-slot is inserted in, claw hook can slide on T shape projection, and the other end alignment bearings of claw hook is also with pushing up the bearing of pulling; The described top that is installed with body forms an opening and offers and the same number of chute of side plate, the periphery of opening is formed with external screw thread, the locking mode binding block that locks is established with spiral shell in the bottom that is installed with body, form a buckling parts on the binding block, be provided with a collar again, the external screw thread that is installed with body in this collar ring encloses relatively is provided with an internal thread, is installed with to lock with the collar after body is inserted in a spring and utilizes chute to penetrate the body side plate respectively; Described fastener one end forms a buckling groove and is used to buckle into the buckling parts of binding block, and the other end is formed with the threaded portion and can screws togather to the screwed hole of bearings mounted axle part central point; Utilize the buckling parts of binding block to fasten the fastener buckling groove of having locked to axle spare screwed hole, the terminal aligning of the claw hook on the body pushed up the bearing of pulling, the top that utilizes power set to drive pushing ram pushing tow body can make outboard bearing be advanced into predeterminated position along axle spare.

2, bearing installer according to claim 1 is characterized in that a part is provided with a block piece, and the central point of block piece is provided with screwed hole; One end of fastener is provided with buckling groove and can buckles into to the buckling parts that is installed with the body binding block, and the other end of fastener forms long button and in its terminal threaded portion that forms, this threaded portion can secure in the screwed hole of block piece.

3, bearing installer according to claim 1 is characterized in that the lower end of claw hook forms recessed round portion and aims at the outboard bearing inner edge.

4, bearing installer according to claim 2 is characterized in that the outer rim that the lower end of claw hook forms a dome portion and aims at buried bearing.

5, bearing installer according to claim 1 and 2 is characterized in that the head of described power set pushing ram forms dome portion, and body intermediate groove top is provided with recessed round portion.

6, bearing installer according to claim 1 and 2, the horizontal side that it is characterized in that described claw hook T-slot form a through hole and utilize a screw to lock and the T-slot footpath is dwindled slightly.

7, bearing installer according to claim 1 and 2 is characterized in that the end of described side plate is pivoted a stop part with backstop claw hook T-slot opening.

8, bearing installer according to claim 1 and 2 is characterized in that described button piece and fastener are separately positioned on a part and are installed with on the body.

9, bearing installer according to claim 1 and 2 is characterized in that the end of described claw hook is concaved with a screw and screws togather first extension rod, and the end of first extension rod forms a support surface, and this support surface can be set to recessed round portion or dome portion.

10, bearing installer according to claim 1 and 2 is characterized in that described claw hook is provided with second extension rod, and its length is the twice of first extension rod, the terminal same support surface that forms of second extension rod, and support surface can be set to recessed round portion or dome portion.

11, bearing installer according to claim 1 and 2 is characterized in that the described buckling parts that is installed with the body binding block is in the respective rectangular groove of parallel rectangular portion of opposite side and the fastener buckling groove that secured to a part of can arranging in pairs or groups.

12, bearing installer according to claim 1 and 2 is characterized in that the described body that is installed with is provided with dimension mark.

13, bearing installer according to claim 1 and 2 is characterized in that described side plate is provided with dimension mark.

14, bearing installer according to claim 1 and 2 is characterized in that being provided with a torque spring in the T-slot on described claw hook top, and perforation can penetrate fixingly for screw in the middle of it, and the two ends of torque spring are pushed up respectively and pulled in side plate bottom and T-slot.