CN219755108U - Compact linear bearing structure - Google Patents

Abstract

The utility model discloses a compact linear bearing structure, which relates to the technical field of linear bearings and comprises a bearing shell, a retainer and connecting pieces, wherein the retainer is detachably arranged in the bearing shell, the bearing shell comprises a first bearing half shell and a second bearing half shell which is mutually spliced with the first bearing half shell to form a complete bearing shell, the first bearing half shell and the second bearing half shell are connected through a plurality of connecting pieces, the inner walls of the first bearing half shell and the second bearing half shell are detachably provided with a retainer shell, the two retainer shells are mutually spliced to form a complete retainer, the inner wall of each retainer shell is provided with a mounting groove, and balls are arranged in the mounting grooves. The bearing shell and the retainer are equally divided into two parts, the bearing shells are detachable, the retainer is detachable, the linear bearing is conveniently and rapidly installed on the cylinder shaft, the working efficiency is effectively improved, and the installation time is saved.

Description

Compact linear bearing structure

Technical Field

The utility model relates to the technical field of linear bearings, in particular to a compact linear bearing structure.

Background

The linear bearing is a linear motion system, is used for matching a linear stroke with a cylindrical shaft, and because the bearing ball is in point contact with the bearing sleeve, the steel ball rolls with minimum friction resistance, so that the linear bearing has small friction and is relatively stable, does not change along with the speed of the bearing, can obtain stable linear motion with high sensitivity and high precision, has the limitations of consumption of the linear bearing, and mainly has poor bearing impact load capacity and poor bearing capacity, and secondly has high vibration and noise during high-speed motion, and the linear bearing is fast, easy to optimize and automatically select and has the function of recording, and is widely applied to sliding parts of industrial machines such as precision machine tools, textile machines, food packaging machines, printing machines and the like. For example, in the prior art, CN218093900U discloses a linear bearing which is convenient to assemble, and fixing of the retainer inside the linear bearing housing is achieved by arranging a linear bearing housing and arranging retainer rings at two ends of the linear bearing housing, wherein the retainer rings are matched with the linear bearing housing. However, the linear bearing is generally compact in structure, and the linear bearing housing and the retainer in the patent document are of an integral structure, so that the linear bearing housing and the retainer are not convenient to be sleeved on the cylindrical shaft, and time and effort of workers can be wasted and working efficiency can be affected during installation.

Disclosure of Invention

The utility model aims to provide a compact linear bearing structure which is used for solving the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a compact linear bearing structure, includes the bearing shell and can dismantle the holder of locating in the bearing shell, still includes the connecting piece, the bearing shell include first bearing half shell and with first bearing half shell splice each other in order to form complete second bearing half shell of bearing shell, just first bearing half shell with connect through a plurality of the connecting piece between the second bearing half shell, first bearing half shell with all detachably is equipped with a holder casing on the inner wall of second bearing half shell, two the mutual splice of holder casing forms complete holder, wherein, every all offer the mounting groove on the inner wall of holder casing, be equipped with the ball in the mounting groove.

Preferably, the device further comprises positioning columns, wherein one side surface of one retainer shell is provided with a plurality of positioning columns, and one side surface of the other retainer shell is provided with positioning grooves matched with the positioning columns.

Preferably, one end of the first bearing half shell and one end of the second bearing half shell are both provided with support plates, and arc grooves are formed in the support plates.

As a further preferred aspect, one end of each of the cage shells is provided with an arc-shaped plate, and the arc-shaped plate can be inserted into the arc-shaped groove.

Preferably, each of the connectors includes:

the locking piece is arranged in the first mounting holes;

the locking rod, a plurality of second mounting holes have all been seted up to the both sides of second bearing half shell, the locking rod is located in the second mounting hole, just the one end of locking rod passes the through-hole and with the retaining member is connected.

As a further preference, the diameter of the first mounting hole is larger than the diameter of the through hole.

As a further preference, the locking piece comprises a bottom plate, a top plate and a connecting rod arranged between the top plate and the bottom plate, the connecting rod is connected with the top plate and the bottom plate, a first cross groove is formed in the top plate, a round hole and an arc-shaped guide groove are formed in the bottom plate, and the arc-shaped guide groove is communicated with the round hole.

As a further preferable mode, the connecting rod further comprises a rubber sleeve, wherein the rubber sleeve is arranged on the periphery of the connecting rod, and the diameter of the rubber sleeve is larger than that of the first mounting hole.

As a further preferable mode, an annular avoidance groove is formed in the outer edge of one end of the lock rod, and one end of the lock rod penetrates through the round hole and can slide in the arc-shaped guide groove.

The technical scheme has the following advantages or beneficial effects:

the bearing shell and the retainer are equally divided into two parts, the bearing shells are detachable, the retainer is detachable, the linear bearing is conveniently and rapidly arranged on the cylindrical shaft, the working efficiency is effectively improved, and the installation time is saved.

Drawings

FIG. 1 is an exploded schematic view of a compact linear bearing structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connector of the present utility model;

fig. 3 is an exploded view of the connector of the present utility model.

In the figure: 1. a connecting piece; 101. a locking member; 102. a lock lever; 103. a bottom plate; 104. a top plate; 105. a connecting rod; 106. a first cross groove; 107. a round hole; 108. an arc-shaped guide groove; 109. a rubber sleeve; 110. an avoidance groove; 111. a bump structure; 2. a first bearing half-shell; 3. a second bearing half-shell; 4. a cage housing; 5. a mounting groove; 6. a ball; 7. positioning columns; 8. a positioning groove; 9. a support plate; 10. an arc-shaped groove; 11. a first mounting hole; 12. and a second mounting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

FIG. 1 is an exploded schematic view of a compact linear bearing structure of the present utility model; FIG. 2 is a schematic view of the structure of the connector of the present utility model; fig. 3 is an exploded view of the connector of the present utility model. Referring to fig. 1 to 3, a preferred embodiment is shown, and a compact linear bearing structure is shown, which comprises a bearing housing and a retainer detachably arranged in the bearing housing, and further comprises a connecting piece 1, wherein the bearing housing comprises a first bearing half-housing 2 and a second bearing half-housing 3 mutually spliced with the first bearing half-housing 2 to form a complete bearing housing, the first bearing half-housing 2 and the second bearing half-housing 3 are connected through a plurality of connecting pieces 1, a retainer housing 4 is detachably arranged on inner walls of the first bearing half-housing 2 and the second bearing half-housing 3, the two retainer housings 4 are mutually spliced to form a complete retainer, an installation groove 5 is formed in the inner wall of each retainer housing 4, and a ball 6 is arranged in the installation groove 5. In this embodiment, referring to fig. 1, the connecting piece 1 is provided with six parts symmetrically distributed on two sides of the first bearing half-shell 2 and the second bearing half-shell 3, wherein the cross sections of the first bearing half-shell 2 and the second bearing half-shell 3 are all semicircular, and the cross sections of the two retainer shells 4 are also all semicircular. The cage housing 4 is provided on the side walls of the first bearing half housing 2 and the second bearing half housing 3. When the bearing is used, the two retainer shells 4 are arranged on the side walls of the first bearing half shell 2 and the second bearing half shell 3, the two retainer shells 4 are arranged on the cylindrical shaft, then the two retainer shells 4 are assembled, and after the assembly is completed, the first bearing half shell 2 and the second bearing half shell 3 are connected through the connecting piece 1 to form a complete linear bearing, so that the linear bearing is arranged on the cylindrical shaft. The ball 6 is movably mounted in the mounting groove 5, and the cooperation between the ball 6 and the mounting groove 5 is a prior art, so that redundant description is omitted here.

In this embodiment, divide into first bearing half casing 2 and second bearing half casing 3 with the bearing shell, divide into two holder casings 4 with the holder, be convenient for quick with linear bearing equipment on the cylinder axle through this kind of setting up mode, can effectually improve work efficiency, save the time that the installation was used.

Further, as a preferred embodiment, the device further comprises positioning posts 7, wherein a side surface of one retainer housing 4 is provided with a plurality of positioning posts 7, and a side surface of the other retainer housing 4 is provided with positioning slots 8 matched with the positioning posts 7. In this embodiment, as shown in fig. 1, two cage shells 4 are inserted into a positioning groove 8 through a positioning post 7, and the two cage shells 4 are connected to form a complete cage.

Further, as a preferred embodiment, one end of the first bearing half shell 2 and one end of the second bearing half shell 3 are both provided with a support plate 9, and an arc-shaped groove 10 is formed in the support plate 9.

Further, as a preferred embodiment, one end of each cage housing 4 is provided with an arc-shaped plate, which can be inserted into the arc-shaped groove 10. In this embodiment, after the first bearing half-shell 2 and the second bearing half-shell 3 are assembled, a stop ring may be disposed between the other end of the first bearing half-shell 2 and the other end of the second bearing half-shell 3, so as to limit the retainer in the bearing housing, and prevent the retainer from being separated from the bearing housing. Wherein, the arc plate can insert in the arc groove 10, realizes the location of holder casing 4 in first bearing half casing 2 and second bearing half casing 3, the installation of the holder casing 4 of being convenient for.

Further, as a preferred embodiment, each of the connectors 1 includes:

the locking piece 101 is arranged in the first mounting holes 11, and a plurality of first mounting holes 11 are formed in two sides of the first bearing half shell 2;

the lock rod 102 is provided with a plurality of second mounting holes 12 on both sides of the second bearing half shell 3, the lock rod 102 is arranged in the second mounting holes 12, and one end of the lock rod 102 passes through the through hole and is connected with the locking piece 101. In this embodiment, the locking member 101 is matched with the locking rod 102, as shown in fig. 2, and the locking member 101 is rotated to lock the locking rod 102, so as to further connect the first bearing half-shell 2 and the second bearing half-shell 3.

Further, as a preferred embodiment, the diameter of the first mounting hole 11 is larger than the diameter of the through hole.

Further, as a preferred embodiment, the locking member 101 includes a bottom plate 103, a top plate 104, and a connecting rod 105 disposed between the top plate 104 and the bottom plate 103, the connecting rod 105 connects the top plate 104 and the bottom plate 103, a first cross slot 106 is formed in the top plate 104, a circular hole 107 and an arc-shaped guide slot 108 are formed in the bottom plate 103, and the arc-shaped guide slot 108 is communicated with the circular hole 107. In this embodiment, referring to fig. 2, a first cross slot 106 provided on a top plate 104 is used to cooperate with an external screwdriver, the top plate 104 is rotated by the screwdriver, and the top plate 104 drives a bottom plate 103 to rotate by a connecting rod 105, so that one end of a lock rod 102 enters an arc-shaped guide slot 108 from a round hole 107, and the lock rod 102 is fixed.

Further, as a preferred embodiment, the connecting rod further comprises a rubber sleeve 109, the rubber sleeve 109 is arranged on the periphery of the connecting rod 105, and the diameter of the rubber sleeve 109 is larger than that of the first mounting hole 11. Wherein, the aperture of the rubber sleeve 109 is larger than the aperture of the first mounting hole 11, and when in mounting, the bottom plate 103 is propped against the bottom wall of the first mounting hole 11, and the round hole 107 on the bottom plate 103 is opposite to the through hole, so that the lock rod 102 can conveniently pass through the through hole and the round hole 107. The diameter of the rubber sleeve 109 is larger, and the outer wall of the rubber sleeve 109 can press the inner wall of the first mounting hole 11, so that the locking piece 101 is positioned in the first mounting hole 11, and the locking piece 101 is prevented from falling off.

Further, as a preferred embodiment, an annular avoiding groove 110 is formed at the outer edge of one end of the lock lever 102, and one end of the lock lever 102 passes through the circular hole 107 and can slide in the arc-shaped guide groove 108. Referring to fig. 2 and 3, a protruding structure 111 is provided at the outer edge of the other end of the locking rod 102 to limit the position of the locking rod 102, wherein a second cross groove is provided on the protruding structure 111 to be matched with an external screwdriver, an external thread may be provided at the outer edge of the locking rod 102, and an internal thread may be provided on the inner peripheral wall of the second mounting hole 12 to be matched with the external thread on the locking rod 102, so as to realize threaded connection between the locking rod 102 and the second mounting hole 12. The second mounting hole 12 may be divided into two mutually communicating upper parts and lower parts, the diameter of the upper part is smaller than that of the lower part, the internal thread is arranged on the inner wall of the upper part, when the locking rod 102 is mounted, one end and the thread part of the locking rod 102 penetrate through the upper part of the second mounting hole 12, and the protruding structure 111 on the locking rod 102 is positioned in the lower part of the second mounting hole 12, so that the limit of the locking rod 102 is realized.

When the utility model is used, the arc-shaped plates on the two retainer housings 4 are inserted into the arc-shaped grooves 10 of the supporting plates 9 on the first bearing half housing 2 and the second bearing half housing 3, so that the retainer housings 4 are positioned in the first bearing half housing 2 and the second bearing half housing 3, then the retainer housings 4 are mounted on the cylindrical shaft, and the two retainer housings 4 are mutually matched with the positioning grooves 8 through the positioning columns 7, so that the assembly of the two retainer housings 4 is realized, and a complete retainer is formed. Then install the rotating member in first mounting hole 11, install locking lever 102 in second mounting hole 12 again, through rotatory locking lever 102, make one end of locking lever 102 pass second mounting hole 12, through-hole and round hole 107, then through rotatory roof 104 in locking member 101, make roof 104 pass through connecting rod 105 drive bottom plate 103 rotatory, the rotation of bottom plate 103 at this moment can make one end of locking lever 102 slide relatively in arc guide slot 108, only need slightly rotatory locking member 101 can realize the fixed to locking lever 102 at this moment, compared with the fixed mode through the bolt in the prior art, the fixed mode through locking member 101 and locking lever 102 cooperation in the utility model can be more quick with first bearing half-shell 2 and second bearing half-shell 3 connection, realize quick installation or dismantlement.

In this embodiment, when one end of the lock lever 102 enters the arc-shaped guide slot 108, the side walls on both sides of the arc-shaped guide slot 108 are locked in the avoiding slot 110 on one end of the lock lever 102, so as to avoid the lock lever 102 from being separated from the locking member 101.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (9)

1. The utility model provides a compact linear bearing structure, includes the bearing shell and can dismantle the holder of locating in the bearing shell, its characterized in that still includes the connecting piece, the bearing shell include first bearing half shell and with first bearing half shell splice each other in order to form complete second bearing half shell of bearing shell, just between first bearing half shell with the second bearing half shell is connected through a plurality of the connecting piece, first bearing half shell with all detachably is equipped with a holder casing on the inner wall of second bearing half shell, two the mutual splice of holder casing forms complete holder, wherein, every all offer the mounting groove on the inner wall of holder casing, be equipped with the ball in the mounting groove.

2. The compact linear bearing structure of claim 1, further comprising positioning posts, wherein one side surface of one cage housing is provided with a plurality of positioning posts, and one side surface of the other cage housing is provided with positioning slots that mate with the positioning posts.

3. The compact linear bearing structure of claim 1, wherein one end of the first bearing half-shell and one end of the second bearing half-shell are each provided with a support plate, and the support plates are each provided with an arc-shaped groove.

4. A compact linear bearing structure as claimed in claim 3, wherein each of said cage housings is provided with an arcuate plate at one end, said arcuate plates being insertable into said arcuate slots.

5. The compact linear bearing structure of claim 1, wherein each of said connectors comprises:

the locking piece is arranged in the first mounting holes;

the locking rod, a plurality of second mounting holes have all been seted up to the both sides of second bearing half shell, the locking rod is located in the second mounting hole, just the one end of locking rod passes the through-hole and with the retaining member is connected.

6. The compact linear bearing structure of claim 5, wherein the diameter of the first mounting hole is greater than the diameter of the through hole.

7. The compact linear bearing structure of claim 5, wherein the locking member comprises a bottom plate, a top plate and a connecting rod arranged between the top plate and the bottom plate, the connecting rod connects the top plate and the bottom plate, a first cross groove is formed in the top plate, a round hole and an arc-shaped guide groove are formed in the bottom plate, and the arc-shaped guide groove is communicated with the round hole.

8. The compact linear bearing structure of claim 7, further comprising a rubber sleeve disposed about the periphery of the connecting rod, the rubber sleeve having a diameter greater than the diameter of the first mounting hole.

9. The compact linear bearing structure of claim 7, wherein an annular escape slot is formed in an outer edge of one end of the lock rod, and one end of the lock rod passes through the circular hole and can slide in the arc-shaped guide slot.