CN213146457U - Prism assembly and lamp - Google Patents

Abstract

The utility model discloses a prism subassembly and lamps and lanterns, wherein, the prism subassembly possesses the prism dish, synchronous pulley and at least one rolling bearing, each rolling bearing is in the hole of synchronous pulley middle level stack distribution, and simultaneously, the cooperation of riveting is fastened between synchronous pulley and each rolling bearing, rely on the structure cooperation to realize fixedly, need not to beat some operation, the rolling bearing's that has avoided hitting some to cause damage, thereby ensured to be driven rotatory rolling bearing's normal operation by synchronous pulley, it is smooth and easy to have guaranteed overall structure's transmission, the situation of avoiding the card to pause takes place.

Description

Prism assembly and lamp

Technical Field

The utility model relates to a lighting apparatus field, in particular to prism subassembly and lamps and lanterns.

Background

The rotating bearing and the belt wheel of the existing prism assembly are generally fastened by dotting, but the rotating bearing is easy to damage in the operation, so that the transmission is unsmooth, and the prism disc is at risk of falling off.

Meanwhile, the small-sized prism lens is generally fixed by adopting viscose at present, but the viscose fixation has the defects that the lens is easy to be dirty, the gluing process is difficult to control, and stray light is easy to generate during imaging; to the large size prism lens, because its size is big and weight is heavy, the viscose drops easily, so can adopt the jump ring fixed, but because the draw-in groove of jump ring and the positive design of prism are in the coplanar, lead to the jump ring to hardly put into or take out when assembly and dismouting, often can damage the prism lens when tearing open the jump ring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a prism subassembly, can avoid rolling bearing's damage, ensure driven smooth and easy.

The utility model also provides a lamps and lanterns of having above-mentioned prism subassembly.

According to the utility model discloses a prism subassembly of first aspect embodiment, including the prism dish; the synchronous belt wheel is arranged on the lower side of one end of the prism disc; and at least one rotating bearing, which is arranged in the inner hole of the synchronous pulley, wherein the rotating bearings are distributed in a stacked manner, and are in press-riveting fit with the synchronous pulley.

According to the utility model discloses prism subassembly has following beneficial effect at least: this prism subassembly possesses the prism dish, synchronous pulley and at least one rolling bearing, each rolling bearing is in the hole stacking distribution of synchronous pulley, simultaneously, the cooperation of riveting is fastened between synchronous pulley and each rolling bearing, rely on the structure cooperation to realize fixing, need not to beat the point operation, the rolling bearing's that has avoided beating the point and cause damage to guaranteed to be driven rotatory rolling bearing's normal operating by synchronous pulley, it is smooth and easy to have guaranteed overall structure's transmission, avoid the situation of blocking and pause to take place.

According to some embodiments of the utility model, the pore wall of hole forms riveted structure, rolling bearing's periphery is equipped with the confession the guide way of riveted structure embedding.

According to some embodiments of the invention, the riveted structure is at least two protrusions arranged around the axial direction of the inner bore.

According to some embodiments of the invention, adjacent the distance between the protrusions equals.

According to some embodiments of the utility model, the riveted structure is protruding circle, protruding circle with the terminal surface of hole parallels.

According to some embodiments of the utility model, the upside of prism dish is equipped with the fixed lid of bearing, the fixed lid of bearing prism dish with synchronous pulley passes through a plurality of screwed connection.

According to some embodiments of the utility model, the lower extreme of hole disposes axle circlip, axle circlip with be located the bottom rolling bearing's lower terminal surface meets.

According to the utility model discloses a some embodiments, the other end of prism dish disposes the rotation ring gear, prism and jump ring are installed from bottom to top at the middle part of rotation ring gear, the front of prism is down.

According to some embodiments of the utility model, the inner wall of rotation ring gear forms the confession draw-in groove and the bearing of jump ring embedding the step of prism.

According to some embodiments of the utility model, at least one notch, each are seted up to the up end of rotation ring gear the lower extreme of notch all extend to with the draw-in groove intercommunication.

According to the utility model discloses a lamps and lanterns of second aspect embodiment, include the utility model discloses a prism subassembly of first aspect embodiment.

According to the utility model discloses a lamps and lanterns of second aspect embodiment, through the configuration the utility model discloses a prism subassembly of first aspect embodiment, the motion of prism is more stable to improve the smoothness degree that light was adjusted, be favorable to the adjustment of light engineer to the stage effect.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a top view of the overall structure of a prism assembly according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an exploded view of the prism assembly according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the prism assembly according to the first aspect of the present invention includes a prism disc 1, a rotation driving gear 4, a synchronous pulley 2 and at least one rolling bearing 3. The synchronous belt wheel 2 is arranged at the lower side of one end of the prism disc 1, and the autorotation driving gear 4 is positioned at the upper side of the prism disc 1 and is coaxially arranged with the synchronous belt wheel 2; the rotating bearings 3 are arranged in the inner hole of the synchronous pulley 2, the rotating bearings 3 are distributed in a stacked mode, and the rotating bearings 3 are matched with the synchronous pulley 2 in a press riveting mode. The rotation driving gear 4 is in transmission connection with the synchronous belt wheel 2 through a rotating bearing 3.

According to the utility model discloses prism subassembly, it possesses prism dish 1, synchronous pulley 2 and at least one rolling bearing 3, each rolling bearing 3 is in the hole middle level of synchronous pulley 2 and is folded and distribute, and simultaneously, the cooperation of riveting is fastened between synchronous pulley 2 and each rolling bearing 3, rely on the structure cooperation to realize fixedly, need not to beat some operation, the rolling bearing 3's that has avoided beating some to cause damage, thereby ensured to be driven rotatory rolling bearing 3's normal operating by synchronous pulley 2, it is smooth and easy to have guaranteed that overall structure's transmission is smooth and easy, the situation of avoiding blocking and pausing takes place.

In some embodiments of the present invention, the hole wall of the inner hole forms a riveting structure, and the periphery of the rotating bearing 3 is provided with a guide groove for embedding the riveting structure; the riveting structure can be extruded into the guide groove, and the fastening fit between the synchronous pulley 2 and the rotating bearing 3 is realized. More specifically, the riveted structure is at least two protrusions arranged around the axial direction of the inner hole, and in order to uniformly distribute the fixing positions of the rolling bearing 3 and the synchronous pulley 2 and ensure uniform stress at each position of the periphery of the rolling bearing 3, the distance between the adjacent protrusions can be set to be equal. It is understood that in other embodiments, the riveted structure may be a bead, with the bead replacing the plurality of projections; further, the convex ring is parallel to the end surface of the inner hole.

As shown in fig. 3, in this embodiment, the number of the rolling bearings 3 is two, the stacking height of the two rolling bearings 3 is greater than the height of the inner hole of the synchronous pulley 2, a through hole for the rolling bearing 3 to pass through is formed on the prism disc 1, in order to better ensure that the rolling bearing 3 is fixed in the inner hole of the synchronous pulley 2 and avoid the rolling bearing 3 to be separated, a bearing fixing cover 5 is arranged on the upper side of the prism disc 1, the bearing fixing cover 5 is pressed on the rolling bearing 3, and the bearing fixing cover 5, the prism disc 1 and the synchronous pulley 2 are fixedly connected through a plurality of screws. Specifically, the screws of this embodiment employ cross countersunk head screws 6, and the respective cross countersunk head screws 6 are equidistantly distributed around the outer periphery of the bearing fixing cover 5. Furthermore, in order to better avoid the unnecessary axial movement of the rotary bearing 3 in the transmission process and ensure the transmission stability and smoothness, the lower end of the inner hole of the synchronous pulley 2 is provided with a shaft elastic retainer ring 7, and the shaft elastic retainer ring 7 is connected with the lower end surface of the rotary bearing 3 at the bottom.

Referring to fig. 2 and 3, the other end of the prism disk 1 of the embodiment is provided with a rotation gear ring 8, the middle part of the rotation gear ring 8 is provided with a prism 9 and a clamp spring 10 from bottom to top, the clamp spring 10 is used for fixing the position of the prism 9 on the rotation gear ring 8, wherein the front surface of the prism 9 faces downwards. More specifically, the inner wall of the rotation gear ring 8 forms a clamping groove for embedding the clamp spring 10, and is further provided with a step for supporting the prism 9. So set up, the diameter that makes rotation ring gear 8's middle part hole can equal with the diameter of prism 9, need not to enlarge the size of rotation ring gear 8 in order to reserve the space of dismantling jump ring 10 as current design, and assembly structure is more compact, also can avoid simultaneously causing scraping damage to prism 9's front when dismantling jump ring 10. Further, in order to facilitate the assembly and disassembly of the snap spring 10, a notch 81 is formed in the upper end face of the rotation gear ring 8, and the lower end of each notch 81 extends to be communicated with the clamping groove; it is understood that in other embodiments, the number of notches 81 may be two or more.

According to the utility model discloses a lamps and lanterns of second aspect embodiment, include the utility model discloses the prism subassembly of embodiment.

According to the utility model discloses a lamps and lanterns of second aspect embodiment, through the configuration the utility model discloses a prism subassembly, the motion of prism is more stable to improve the smoothness degree that light was adjusted, be favorable to the adjustment of light engineer to the stage effect.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. Prism subassembly, its characterized in that: comprises that

A prism disc;

the synchronous belt wheel is arranged on the lower side of one end of the prism disc; and

the rotating bearings are arranged in the inner hole of the synchronous pulley, are distributed in a stacked mode and are in press-riveting fit with the synchronous pulley.

2. The prism assembly according to claim 1, wherein: the pore wall of hole forms riveted structure, rolling bearing's periphery is equipped with the confession riveted structure embedding guide way.

3. The prism assembly according to claim 2, wherein: the riveting structure is at least two protrusions which are arranged around the axial direction of the inner hole.

4. The prism assembly according to claim 2, wherein: the riveting structure is a convex ring, and the convex ring is parallel to the end surface of the inner hole.

5. The prism assembly according to claim 1, wherein: the upper side of the prism disc is provided with a bearing fixing cover, and the bearing fixing cover, the prism disc and the synchronous belt wheel are fixedly connected through a plurality of screws.

6. The prism assembly according to claim 5, wherein: the lower extreme of hole disposes circlip for the axle, circlip for the axle meets with the lower terminal surface that is located the bottom swivel bearing.

7. The prism assembly according to claim 1, wherein: the other end of the prism disc is provided with a rotation gear ring, the middle part of the rotation gear ring is provided with a prism and a clamp spring from bottom to top, and the front surface of the prism faces downwards.

8. The prism assembly according to claim 7, wherein: the inner wall of the rotation gear ring forms a clamping groove for embedding the clamp spring and a step for supporting the prism.

9. The prism assembly according to claim 8, wherein: the upper end face of the rotation gear ring is provided with at least one notch, and the lower end of each notch extends to be communicated with the clamping groove.

10. A lamp comprising the prism assembly of any one of claims 1 to 9.

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