Track roller with seal

Abstract

The utility model discloses a track roller with a seal, which belongs to the technical field of seal rollers, the track roller is mounted on a frame and comprises an end cover, a guide wheel and a lower seal disc, a fixed shaft is inserted into the top of the end cover, the fixed shaft is suitable for penetrating through the end cover to be inserted into the guide wheel, and the guide wheel is rotatably arranged on the fixed shaft. The end cover is arranged above the guide wheel, an upper sealing ring is arranged between the guide wheel and the end cover, and the guide wheel abuts against the guide wheel through the upper sealing ring. A clamping spring is embedded in the bottom of the lower sealing disc and abuts against the guide wheel, and a clamping groove is formed in the side face of the guide wheel, so that the effect of preventing the guide wheel from derailing is achieved. When the guide wheel is used, the guide wheel clamping groove is embedded into a guide rail, the guide wheel comprises a wheel body and a shaft hole, the shaft hole is formed in the position of the axis of the wheel body, two bearing grooves are formed in the two ends of the shaft hole, and the shaft hole is communicated with the bearing grooves and filled with lubricating oil so that the effect of reducing abrasion of the roller can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealed roller, specifically relates to a track roller with seal. BACKGROUND

[0002] When the cutting machine is running, mainly through the motor drives the circular saw to cut the wall, in order to guarantee the stability and linearity of cutting process, it needs to utilize the guide rail to guide and utilize the roller to roll on the guide rail, so that the cutting machine can directional movement.

[0003] However, it needs to be explained that the modern building is generally reinforced concrete structure, therefore, when the wall is cut, the stress of circular saw is uneven, therefore the action force size between the roller and guide rail will produce irregular change, and the change range is big, it is easy to cause the lubricating oil in the roller to leak, causes the abrasion between the roller and rotating shaft to aggravate the problem. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a track roller with seal to solve the problem that the lubricating oil in the roller leaks due to the irregular stress of the roller in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The track roller with seal disclosed by the utility model is mainly installed on the rack and comprises:

[0007] End cover, top insertion has fixed shaft;

[0008] Guide wheel, top is provided with the end cover, and the guide wheel is provided with the upper sealing ring between the end cover and is abutted with the guide wheel through the upper sealing ring;

[0009] Lower sealing disc, bottom is embedded with snap spring, the snap spring is abutted with the guide wheel, and the lower sealing disc is arranged at the bottom end of the guide wheel and is sealedly connected with the guide wheel;

[0010] Wherein, the fixed shaft is suitable for inserting into the guide wheel through the end cover, and the guide wheel is rotatably arranged on the fixed shaft.

[0011] Further, the side surface of the guide wheel is provided with a clamping groove.

[0012] Further, the lower sealing disc comprises a disc body, a snap spring groove and a sealing groove, the sealing groove is arranged on the upper part of the disc body, the sealing groove is sleeved with an O-shaped ring, the lower part of the disc body is provided with the snap spring groove, and the snap spring groove is embedded with the snap spring.

[0013] Further, the upper sealing ring comprises a sealing ring and a baffle plate, the fixed shaft is inserted into the guide wheel through the sealing ring, the bottom of the sealing ring is integrally formed with the baffle plate, the baffle plate abuts against the upper end of the guide wheel, and the sealing ring abuts against the end cover.

[0014] Further, the upper sealing ring is made of rubber.

[0015] Further, the end cover is eccentrically provided with a swing shaft at the top, the swing shaft is integrally formed with the end cover and is adapted to drive the end cover to rotate.

[0016] Further, the guide wheel comprises:

[0017] The wheel body is provided with a mounting groove at the outer side, and the upper sealing ring is mounted in the mounting groove;

[0018] The shaft hole is provided at the axis of the wheel body, and the shaft hole is provided with bearing grooves at both ends;

[0019] The shaft hole is in communication with the bearing grooves and filled with lubricating oil.

[0020] Further, a gap is left between the fixed shaft and the lower sealing plate.

[0021] The utility model has the advantages of:

[0022] The utility model discloses a rail roller with sealing has good sealing property and reliability, can resist the solid particle or liquid invasion of outside, therefore will apply this product on wall cutting machine, can prevent the sand or coolant and enter the roller well, and because filling with lubricating oil in the guide wheel, therefore can also avoid the lubricating oil of the roller internal spill, thereby make the roller long -time flexible rotation, solve the lubricating oil leakage in the roller of the prior art due to the irregular stress of the roller. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creative labor.

[0024] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not have technical substantive significance, and any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0025] Figure 1 A sealed track roller three-dimensional view is provided for the utility model;

[0026] Figure 2 An upper sealing ring three-dimensional view is provided for the utility model;

[0027] Figure 3 A lower sealing disc is provided for the utility model;

[0028] Figure 4 A clamping spring is provided for the utility model;

[0029] Figure 5 A guide wheel front view is provided for the utility model;

[0030] Figure 6 A rack top view is provided for the utility model;

[0031] Figure 7 A B-B sectional view is provided for the utility model; Figure 6 A B-B sectional view is provided for the utility model;

[0032] In the figure: 1 end cover; 2 fixed shaft; 3 guide wheel; 31 wheel body; 32 mounting groove; 33 shaft hole; 34 bearing groove; 4 clamping groove; 5 lower sealing disc; 51 disc body; 52 clamping spring groove; 53 sealing groove; 6 upper sealing ring; 61 sealing ring; 62 blocking disc; 7 clamping spring; 8 oscillating shaft. DETAILED DESCRIPTION

[0033] The embodiments of the utility model are described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described examples are part of the examples of the utility model, not all examples. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0034] Please refer to Figures 1-7The utility model discloses a track roller with seal, install on the frame, including end cover 1, guide wheel 3 and lower seal disc 5, wherein, the top insertion of end cover 1 has fixed shaft 2, and fixed shaft 2 is suitable for passing through end cover 1 and inserts into guide wheel 3, and, guide wheel 3 rotationally arranged on fixed shaft 2, in this embodiment, end cover 1 is arranged above guide wheel 3, and upper sealing ring 6 is arranged between guide wheel 3 and end cover 1, and guide wheel 3 is abutted with guide wheel 3 through upper sealing ring 6. On the other hand, the bottom of lower seal disc 5 is embedded with snap spring 7, and snap spring 7 is abutted with guide wheel 3, and lower seal disc 5 is arranged at the bottom end of guide wheel 3 and is sealedly connected with guide wheel 3.

[0035] In some embodiments, the side of guide wheel 3 is provided with clamping groove 4, clamping groove 4 is V-shaped, and can be embedded into guide rail, and plays the role of preventing guide wheel 3 from derailing. In this embodiment, guide wheel 3 is made of stainless steel. Specifically, guide wheel 3 includes wheel body 31 and shaft hole 33, wherein the top end of wheel body 31 is provided with mounting groove 32, mounting groove 32 is used for mounting upper sealing ring 6, and shaft hole 33 is arranged at the axis of wheel body 31, both ends of shaft hole 33 are provided with two bearing grooves 34, and shaft hole 33 is communicated with bearing groove 34 and filled with lubricating oil, so as to play the role of reducing wear.

[0036] On the basis of the last embodiment, a gap is left between fixed shaft 2 and lower seal disc 5, so that the lubricating oil can enter the gap, thereby avoiding friction between fixed shaft 2 and lower seal disc 5, thereby improving the durability of guide wheel 3.

[0037] In one specific embodiment disclosed in the utility model, lower seal disc 5 includes disc body 51, snap spring groove 52 and sealing groove 53, the lower part of disc body 51 is provided with snap spring groove 52, snap spring 7 is embedded in snap spring groove 52, so that snap spring 7 plays the role of fixing disc body 51 and preventing external dust or solid particles from entering, and the upper part of disc body 51 is provided with sealing groove 53, sealing groove 53 is provided with O-ring, and O-ring mainly plays the role of sealing to prevent internal lubricating oil from leaking.

[0038] In some embodiments, upper sealing ring 6 is made of rubber material to play a good sealing effect. And upper sealing ring 6 includes sealing ring 61 and baffle disc 62, fixed shaft 2 passes through sealing ring 61 and inserts into guide wheel 3, the bottom of sealing ring 61 is integrally formed with baffle disc 62, baffle disc 62 is abutted with the upper end of guide wheel 3, and sealing ring 61 is abutted with end cover 1. In this embodiment, upper sealing ring 6 is made of rubber material, and baffle disc 62 is conical or suction disc-shaped, which can effectively prevent lubricating oil from overflowing, thereby playing a good protection effect on guide wheel.

[0039] As an optional technical scheme, the eccentric top of the end cover 1 is provided with a swing shaft 8, the swing shaft 8 is integrally formed with the end cover 1 and is suitable for driving the end cover 1 to rotate, so that the swing shaft 8 can drive the guide wheel to revolve, and then the guide rail is clamped by the clamping groove 4, thereby preventing the equipment from derailing.

[0040] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A sealed track roller mounted on a frame, characterized in that The utility model relates to a kind of sealing device of guide wheel, including: End cover (1), top insertion is fixed axle (2); Guide wheel (3), top is provided with the end cover (1), and upper sealing ring (6) is arranged between the guide wheel (3) with the end cover (1), and the guide wheel (3) is resisted with the upper sealing ring (6); Lower sealing disc (5), bottom is embedded with snap spring (7), the snap spring (7) is resisted with the guide wheel (3), the lower sealing disc (5) is arranged in the bottom end of the guide wheel (3), and is sealedly connected with the guide wheel (3); Wherein, the fixed axle (2) is suitable for being inserted into the guide wheel (3) through end cover (1), the guide wheel (3) rotation is arranged on the fixed axle (2).

2. The sealed track roller of claim 1, wherein, The side of the guide wheel (3) is provided with a clamping groove (4).

3. The sealed track roller of claim 1, wherein, The lower sealing disc (5) includes a disc body (51), a snap spring groove (52) and a sealing groove (53), the sealing groove (53) is provided on the upper part of the disc body (51), the sealing groove (53) is sleeved with an O-ring, the lower part of the disc body (51) is provided with the snap spring groove (52), and the snap spring groove (52) is embedded with the snap spring (7).

4. The sealed track roller of claim 1, wherein, The upper sealing ring (6) includes a sealing ring (61) and a baffle disc (62), the fixed axle (2) is inserted into the guide wheel (3) through the sealing ring (61), the bottom of the sealing ring (61) is integrally formed with the baffle disc (62), the baffle disc (62) is resisted with the upper end of the guide wheel (3), and the sealing ring (61) is resisted with the end cover (1).

5. The sealed track roller of claim 1, wherein, The upper sealing ring (6) is made of rubber.

6. The sealed track roller of claim 1, wherein, The top of the end cover (1) is eccentrically provided with a swing shaft (8), the swing shaft (8) is integrally formed with the end cover (1) and is suitable for rotating the end cover (1).

7. The sealed track roller of claim 1, wherein, The guide wheel (3) includes: A wheel body (31) is provided with a mounting groove (32) on the outer side, and the mounting groove (32) is mounted with the upper sealing ring (6); A shaft hole (33) is arranged at the axis of the wheel body (31), and bearing grooves (34) are arranged at both ends of the shaft hole (33); Wherein, the shaft hole (33) is communicated with the bearing grooves (34) and filled with lubricating oil.

8. The sealed track roller of claim 1, wherein, The fixed axle (2) and the lower sealing disc (5) have a gap.

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