Calibrating rod

Abstract

The utility model provides a calibration rod. The calibration rod comprises a side wall, a bottom wall, a cylindrical inner cavity and a plurality of through holes, wherein the two ends of the side wall are open; the bottom wall is arranged at the opening of one end of the side wall, the cylindrical inner cavity is formed between the bottom wall and the side wall and used for containing a bearing, and the through holes penetrate through the bottom wall and are communicated with the inner cavity. The knocking rod extends into the inner cavity from the through hole and makes contact with the bearing, then the side edge of the bearing is knocked, after knocking is completed, an operator can replace the through hole and knock the other side edge of the bearing, in this way, the bearing is gradually knocked out from the inner cavity in a reciprocating mode, and therefore the effect that the bearing is conveniently taken out is achieved; through the arrangement of the groove, the contact area between the bearing outer ring and the inner side of the side wall can be reduced, so that the friction force between the bearing outer ring and the inner side of the side wall is reduced, and an operator can conveniently take out the bearing clamped into the inner cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting rod, especially a kind of school connecting rod. BACKGROUND

[0002] School connecting rod will be used in filling machine, the bearing used in school connecting rod is taper bearing, to assist to optical spline shaft, prevent shaking when rotating;

[0003] But when maintaining, bearing outer ring is often clamped into school connecting rod, and the existing school connecting rod is small inside, and it is single-sided orifice, and there is no effective adhesion when taking bearing outer ring, so that it is very difficult to take bearing, time-consuming and labor-consuming, very unfavorable to fast repair. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a kind of school connecting rod convenient for bearing to be taken out.

[0005] The utility model provides the following technical scheme: a kind of school connecting rod, the school connecting rod includes the side wall of two end openings, and the bottom wall is arranged at the one end opening of the side wall, the cylindrical inner cavity for accommodating bearing formed between the bottom wall and the side wall, and several through holes are communicated with the inner cavity and pass through the bottom wall;When the bearing at the inner cavity needs to be taken out, knock the bearing at the inner cavity out by inserting knock stick from the through hole, the school connecting rod further includes the multiple recesses that are arranged around the inner side of the side wall, the side of the recess away from the bottom wall is open, and the recess between adjacent forms protrusion, and the protrusion is in contact with the bearing.

[0006] Further, the multiple recesses are evenly spaced and arranged around the inner side of the side wall.

[0007] Further, the bottom wall is a circular body, and the bottom wall is rotatably connected with the side wall, and the axis of the bottom wall is in the same straight line with the axis of the inner cavity.

[0008] Further, the bottom wall is provided with a lug on the outer side, the side wall is provided with a circular sliding groove, and the bottom wall is rotatably connected with the sliding groove of the side wall through the lug.

[0009] Further, the school connecting rod further includes an oil inlet structure, the oil inlet structure includes a feeding channel arranged on the outer side of the side wall, a shunt channel communicated with the feeding channel formed in the inner side of the side wall, and multiple discharge channels communicated with the shunt channel formed on the inner side of the side wall, and the multiple discharge channels are respectively located at the protrusions of the side wall.

[0010] Further, the feeding channel is provided with a plug, and the plug is provided with a spanner groove away from one side of the shunt channel.

[0011] Further, the plug is screw-connected at the feeding channel, and the spanner groove on the plug is in the shape of a cross, a straight line or a hexagon.

[0012] Further, the plurality of discharge channels are each provided with a filter screen.

[0013] Further, the protrusion is provided with a through groove in communication with the adjacent recess at two ends, and the through groove is in communication with the discharge channel.

[0014] Further, the through groove is in an arc shape away from the side edge of the recess.

[0015] The utility model discloses the beneficial effects are: through the knocking bar from the through hole and with the bearing contact, then the bearing side edge knocks, and after knocking, the operator can replace the through hole, and the other side of the bearing is knocked, and thus reciprocating gradually knocks the bearing from the inner cavity, and thus reaches the effect that the bearing is convenient to take out, through the setting of the recess, can reduce the contact area of the bearing outer ring and the inner side of the side wall, thereby reducing the friction force between the bearing outer ring and the inner side of the side wall, so that the operator takes out the bearing clamped into the inner cavity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the first visual angle of the utility model.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the second visual angle of the utility model.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the oil inlet structure of the utility model.

[0019] Figure 4 It is the partial three-dimensional structure schematic diagram of the oil inlet structure of the utility model.

[0020] Figure 5 It is the three-dimensional structure schematic diagram of the separation of the side wall and the bottom wall of the utility model.

[0021] The marks in the drawings are: 1-side wall, 2-bottom wall, 21-bulge, 22-sliding slot, 3-through hole, 4-inner cavity, 5-recess, 6-protrusion, 7-oil inlet structure, 71-feeding channel, 72-shunt channel, 73-discharge channel, 74-plug, 75-spanner groove, 76-filter screen, 77-through groove, 78-arc angle. DETAILED DESCRIPTION

[0022] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show several embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0025] A straightening rod, such as Figure 1 and Figure 2 The straightening rod comprises an open-ended side wall 1 and a bottom wall 2 arranged at one open end of the side wall 1, a cylindrical inner cavity 4 for accommodating bearings formed between the bottom wall 2 and the side wall 1, and a plurality of through holes 3 penetrating through the bottom wall 2 and communicating with the inner cavity 4. When the bearings at the inner cavity 4 need to be removed, a knocking rod is inserted into the through hole 3 to knock out the bearings at the inner cavity 4. The straightening rod further comprises a plurality of grooves 5 arranged around the inner side of the side wall 1, the grooves 5 are open on the side away from the bottom wall 2, and the adjacent grooves 5 form a protrusion 6, and the protrusion 6 is in contact with the bearings.

[0026] Wherein, in this embodiment, two round through holes 3 are formed on the bottom wall 2, the two through holes 3 are symmetrically arranged, the diameter of the through hole 3 is 3.5mm, so that the knocking rod of M4 extends into, in other embodiments, the number of through holes 3 can be appropriately increased or reduced; a plurality of grooves 5 are uniformly and circumferentially arranged on the inner side of the side wall 1, preferably the number of grooves 5 is 6, in other embodiments, it can be appropriately increased or reduced; specifically, when the bearing is clamped into the inner cavity 4, the operator needs to knock the bearing out of the inner cavity 4, first the operator can extend the knocking rod from the through hole 3 into the inner cavity 4 and contact with the bearing, then knock the side of the bearing, after knocking, the operator can replace the through hole 3, knock the other side of the bearing, thus reciprocating gradually knock the bearing out of the inner cavity 4.

[0027] As shown in Figure 5 , the bottom wall 2 is a circular body, and the bottom wall 2 is rotatably connected with the side wall 1, and the axis of the bottom wall 2 is in the same straight line with the axis of the inner cavity 4; the outer side of the bottom wall 2 is provided with a protrusion 21, the side wall 1 is provided with a circular sliding groove 22, and the bottom wall 2 is rotatably connected with the sliding groove 22 of the side wall 1 through the protrusion 21.

[0028] Further, the through hole 3 on the bottom wall 2 can be provided with one, after knocking one side of the bearing, the operator can drive the bottom wall 2 to rotate, so that the position of the through hole 3 is replaced, and thus reciprocating knocking again, so that the stress points of the bearing are replaced in turn when knocking the bearing, so as to facilitate knocking the bearing out of the inner cavity 4.

[0029] As shown in Figure 3 , the knocking rod further comprises an oil inlet structure 7, the oil inlet structure 7 comprises an inlet channel 71 arranged on the outer side of the side wall 1, a shunt channel 72 formed in the inner side of the side wall 1 and communicated with the inlet channel 71, and a plurality of discharge channels 73 formed in the inner side of the side wall 1 and communicated with the shunt channel 72, and the plurality of discharge channels 73 are respectively located at the protrusions 21 of the side wall 1.

[0030] It can be understood that when the bearing needs to be knocked out of the inner cavity 4, the operator can first inject lubricating oil into the inlet channel 71, the lubricating oil flows to the discharge channels 73 through the shunt channel 72, so that there is lubricating oil between the bearing outer ring and the inner side of the side wall 1, which can reduce the effect of friction when knocking the bearing out, so as to facilitate taking out the bearing.

[0031] The feeding channel 71 is provided with a plug 74, and the plug 74 is provided with a spanner slot 75 away from one side of the shunt channel 72.

[0032] The plug 74 is threadedly connected at the feeding channel 71, and the spanner slot 75 on the plug 74 is in the shape of a cross, a straight line or a hexagon, preferably a hexagon. It can be understood that, in order to prevent foreign matters from being blocked in the feeding channel 71, causing the lubricating oil to be unable to be injected into the feeding channel 71, the plug 74 is arranged, and the plug 74 is removed by the spanner when it is needed to inject the oil, and the plug 74 is blocked in the feeding channel 71 when it is not needed to inject the oil.

[0033] The plurality of discharge channels 73 are each provided with a filter screen 76.

[0034] It can be understood that, in order to prevent foreign matters from blocking the discharge channel 73, the filter screen 76 is arranged to realize the oil injection channel communication.

[0035] As shown in Figure 4 The protrusion 6 is provided with a through groove 77 having two ends respectively communicated with adjacent recesses 5, and the through groove 77 is communicated with the discharge channel 73.

[0036] It can be understood that, by arranging the through groove 77, the lubricating oil flowing out of the discharge channel 73 can be distributed between the bearing outer ring and the side wall 1 side through the through groove 77, so as to reduce the friction.

[0037] The side edge of the through groove 77 away from the recess 5 is in the shape of an arc angle 78.

[0038] It can be understood that, by arranging the side edge of the through groove 77 in the shape of the arc angle 78, the side edge of the through groove 77 can be avoided from being contacted with the bearing, so as to cause the bearing or the through groove 77 to be damaged when the bearing is taken out.

[0039] In summary, the knocking rod is inserted into the inner cavity 4 from the through hole 3 and contacted with the bearing, then the side edge of the bearing is knocked, after the knocking, the operator can replace the through hole 3 to knock the other side edge of the bearing, so as to knock the bearing out of the inner cavity 4 reciprocatingly and gradually, so as to achieve the effect of facilitating the bearing to be taken out. By arranging the recess 5, the contact area between the bearing outer ring and the inner side of the side wall 1 can be reduced, so as to reduce the friction force between the bearing outer ring and the inner side of the side wall 1, so as to facilitate the operator to take out the bearing clamped into the inner cavity 4.

[0040] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A calibration rod, characterized in that, The alignment rod includes sidewalls open at both ends and a bottom wall provided at one end of the sidewalls. A cylindrical inner cavity for accommodating the bearing is formed between the bottom wall and the sidewalls, and several through holes penetrating the bottom wall and communicating with the inner cavity. When it is necessary to remove the bearing from the inner cavity, the bearing is knocked out of the inner cavity by inserting a striking rod through the through holes. The alignment rod also includes a plurality of grooves arranged around the inner side of the sidewalls. The side of the grooves away from the bottom wall is open, and a protrusion is formed between adjacent grooves, which contacts the bearing.

2. The calibration rod according to claim 1, characterized in that, Multiple grooves are arranged in a uniformly spaced manner around the inner side of the sidewall.

3. The calibration rod according to claim 1, characterized in that, The bottom wall is circular and is rotatably connected to the side wall, while the axis of the bottom wall and the axis of the inner cavity are on the same straight line.

4. The calibration rod according to claim 3, characterized in that, A protrusion is provided on the outer side of the bottom wall, and a circular groove is provided on the side wall. The bottom wall is rotatably connected to the groove of the side wall through the protrusion.

5. The calibration rod according to claim 1, characterized in that, The calibration rod also includes an oil inlet structure, which includes a feeding channel provided on the outer side of the side wall, a diversion channel opened inside the side wall and communicating with the feeding channel, and a plurality of discharge channels opened on the inner side of the side wall and communicating with the diversion channel. The plurality of discharge channels are respectively located at the protrusions of the side wall.

6. The calibration rod according to claim 5, characterized in that, A blocking component is provided at the feed channel, and a screwdriver groove is provided on the side of the blocking component away from the diversion channel.

7. The calibration rod according to claim 6, characterized in that, The plug is threadedly connected to the feed channel, and the screwdriver groove on the plug is cross-shaped, slotted, or hexagonal.

8. The calibration rod according to claim 7, characterized in that, Each of the aforementioned discharge channels is equipped with a filter screen.

9. The calibration rod according to claim 8, characterized in that, The protrusion has a through groove at both ends that are respectively connected to the adjacent groove, and the through groove is connected to the discharge channel.

10. The calibration rod according to claim 9, characterized in that, The side of the through groove away from the groove has an arc angle.

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