CN220958328U - Shadowless lamp with adjustable lamp holder - Google Patents

Abstract

The utility model discloses a shadowless lamp with an adjustable lamp holder, which comprises a support column, wherein a blind groove is formed in the top of the support column, a thick cylinder is movably connected in the blind groove, a screw rod is arranged in the thick cylinder, a sliding block matched with the screw rod is fixedly connected to the position, close to the lower part, of the right inner wall of the thick cylinder, the bottom end of the screw rod is movably connected with the bottom of an inner cavity of the blind groove through a bearing, a first empty groove is formed in the support column, close to the lower part, the bottom end of the screw rod penetrates through an inner ring of the bearing and extends into the empty groove, and is fixedly connected with a first circular block, and a second circular block is movably connected to the bottom of the inner cavity of the first empty groove.

Description

Shadowless lamp with adjustable lamp holder

Technical Field

The utility model relates to the field of machinery, in particular to a shadowless lamp with an adjustable lamp holder.

Background

In some special scenarios, such as diagnosis and treatment rooms and laboratories, more concentrated and easily angle-adjustable light sources are needed, and shadow interference needs to be reduced. The following problems exist after searching. The multi-angle shadowless lamp for ophthalmic clinical diagnosis and treatment disclosed in the patent CN214369521U has the effect of reducing shadow interference, and can adjust the angle in a certain range, but because the lamp needs to be fixed on the ceiling, the lamp arm length and the arrangement of power supply lines are required to be high, and the lamp is not suitable for most scenes. And because the adjustment of the lamp bracket angle can not be locked fast, slight touch can lead to angle deflection, and the use of the lamp bracket is inconvenient.

Disclosure of utility model

The utility model solves the technical problem of overcoming the defects of the prior art and providing a shadowless lamp with an adjustable lamp holder.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a shadowless lamp with adjustable lighting fixture, includes the support column, blind groove has been seted up at the support column top, blind inslot swing joint has thick section of thick bamboo, be provided with the lead screw in the thick section of thick bamboo, thick section of thick bamboo right side inner wall is close to below department fixedly connected with and lead screw assorted slider, the lead screw bottom passes through bearing and blind groove inner chamber bottom swing joint, first empty slot has been seted up near below department in the support column, the lead screw bottom passes the bearing inner race and extends to in the empty slot to first circular piece of fixedly connected with, first empty slot inner chamber bottom swing joint has the circular piece of second, the equal fixedly connected with tooth piece of a plurality of evenly distributed in first circular piece bottom and the circular piece top of second, the circular piece right wall fixedly connected with connecting rod of second, first empty slot right side inner wall has been seted up with connecting rod assorted logical groove, the connecting rod right-hand member passes logical groove and extends to first empty slot outside to fixedly connected with footboard, first empty slot top fixedly connected with third circular piece, the top of thick section of thick bamboo passes the bearing inner ring and extends to the empty slot L fixedly connected with L through the rotatory strip of second side swing joint has the L.

Preferably, the side walls of the left side and the right side of the thick cylinder are fixedly connected with limiting blocks near the lower part, and limiting grooves matched with the limiting blocks are formed in the inner walls of the left side and the right side of the blind groove.

Preferably, the first short rod is fixedly connected to the bottom of the second round block, a first blind hole matched with the first short rod is formed in the bottom of the inner cavity of the first empty slot, the bottom end of the first short rod extends into the first blind hole and is fixedly connected with a first spring, and the bottom end of the first spring is fixedly connected with the bottom of the inner cavity of the first blind hole.

Preferably, the rotary block bottom is close to right side department and has seted up the second blind hole, second blind hole inner chamber top fixedly connected with second spring, second spring bottom fixedly connected with second quarter butt, just a plurality of and second quarter butt assorted cambered surface hole has been seted up at the third circular block top.

Preferably, the inner walls of the front side and the rear side of the second empty slot are fixedly connected with limiting strips, and the inner walls of the front side and the rear side of the moving strip are provided with limiting slots matched with the limiting strips.

Preferably, the movable bar top is close to left side department fixedly connected with third quarter butt, third quarter butt top cover is equipped with and removes a section of thick bamboo, third quarter butt top fixedly connected with third spring, third spring top and movable tube inner chamber top fixed connection, it fills up to have cup jointed annular friction to remove a section of thick bamboo bottom, second empty slot inner chamber top offered with remove a section of thick bamboo assorted movable groove, it extends to L shaped plate top to remove a section of thick bamboo top and pass the movable groove to fixedly connected with briquetting.

Preferably, the side wall of the support column is fixedly connected with a plurality of uniformly distributed support feet.

Preferably, the illuminating lamp consists of a base, a lamp panel and a plurality of lamp holders, so that interference shadows can be reduced.

Compared with the prior art, the utility model has the beneficial effects that:

In the technical scheme, the screw rod can be locked through the mutual matching among the first circular block, the second circular block and the tooth block, so that the screw rod is prevented from deflecting, and the screw rod is required to be driven to rotate due to the up-and-down displacement of the coarse cylinder, so that the height of the coarse cylinder can be conveniently adjusted and locked through the up-and-down displacement of the second circular block; through mutually supporting between second spring, second quarter butt and the cambered surface groove for the second spring promotes second quarter butt joint in the cambered surface inslot, thereby realizes the location to rotatory piece angle, simultaneously through the shrink of second spring, alright realize rotatory of rotatory piece angle, through the briquetting, move the mutual cooperation between section of thick bamboo and the annular friction pad, the usable annular friction pad realizes the location to the movable strip direction of action with the frictional force at second empty slot inner chamber top, and then realizes the regulation of illumination lamp length.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view at C in FIG. 2;

Fig. 6 is an enlarged view at D in fig. 2.

Reference numerals in the drawings: 1. a support column; 2. supporting feet; 3. a screw rod; 4. a third circular block; 5. a rotating block; 6. an L-shaped plate; 7. moving the bar; 8. a lighting lamp; 9. a thick barrel; 10. a pedal; 11. a second circular block; 12. a first spring; 13. a first stub; 14. a first circular block; 15. a slide block; 16. a limiting block; 17. a third spring; 18. a third short bar; 19. a limit bar; 20. an annular friction pad; 21. a moving cylinder; 22. briquetting; 23. a second spring; 24. and a second stub.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Embodiment one: referring to fig. 1-6, a shadowless lamp with an adjustable lamp holder comprises a support column 1, a blind groove is arranged at the top of the support column 1, a thick cylinder 9 is movably connected in the blind groove, limiting blocks 16 are fixedly connected at the positions, close to the lower part, of the left side wall and the right side wall of the thick cylinder 9, limiting grooves matched with the limiting blocks 16 are respectively arranged at the left side wall and the right side wall of the blind groove, a screw rod 3 is arranged in the thick cylinder 9, a sliding block 15 matched with the screw rod 3 is fixedly connected at the position, close to the lower part, of the right side wall of the thick cylinder 9, the bottom end of the screw rod 3 is movably connected with the bottom of an inner cavity of the blind groove through a bearing, a first empty groove is arranged in the support column 1, the bottom end of the screw rod 3 extends into the empty groove through an inner ring of the bearing, a first round block 14 is fixedly connected with the bottom of the first round block 11, the bottom of the first round block 11 is movably connected with a second round block 13, the bottom of the inner cavity of the first empty slot is provided with a first blind hole matched with the first short rod 13, the bottom end of the first short rod 13 extends into the first blind hole and is fixedly connected with a first spring 12, the bottom end of the first spring 12 is fixedly connected with the bottom of the inner cavity of the first blind hole, the bottoms of the first round block 14 and the tops of the second round block 11 are fixedly connected with a plurality of uniformly distributed tooth blocks, the right wall of the second round block 11 is fixedly connected with a connecting rod, the inner wall of the right side of the first empty slot is provided with a through slot matched with the connecting rod, the right end of the connecting rod passes through the through slot and extends out of the first empty slot and is fixedly connected with a pedal 10, the top of the coarse cylinder 9 is fixedly connected with a third round block 4, the top of the third round block 4 is movably connected with a rotary block 5 through a rotating shaft and a bearing, the top of the rotary block 5 is fixedly connected with an L-shaped plate 6, the L-shaped plate 6 is internally provided with a second empty slot, the movable strip 7 is movably connected in the second empty slot, the through groove matched with the movable strip 7 is formed in the inner wall on the right side of the second empty groove, the right wall of the movable strip 7 penetrates through the through groove to extend to the right side of the L-shaped plate 6, and the illuminating lamp 8 is fixedly connected to the bottom of the movable strip 7 close to the right side.

Through the mutual cooperation between the first circular block 14, the second circular block 11 and the tooth blocks, the screw rod 3 can be locked, deflection of the screw rod 3 is prevented, and the screw rod 3 is required to be driven to rotate due to up-and-down displacement of the coarse cylinder 9, so that the height of the coarse cylinder 9 can be conveniently adjusted and locked through up-and-down displacement of the second circular block 11.

Embodiment two: the second blind hole is formed in the position, close to the right, of the bottom of the rotating block 5, the second spring 23 is fixedly connected to the top of an inner cavity of the second blind hole, the second short rod 24 is fixedly connected to the bottom end of the second spring 23, a plurality of cambered surface holes matched with the second short rod 24 are formed in the top of the third round block 4, limiting strips 19 are fixedly connected to the inner walls of the front side and the rear side of the second empty slot, limiting grooves matched with the limiting strips 19 are formed in the inner walls of the front side and the rear side of the moving strip 7, the third short rod 18 is fixedly connected to the top of the moving strip 7, the moving barrel 21 is sleeved on the top end of the third short rod 18, the third spring 17 is fixedly connected to the top end of the third short rod 18, the top end of the third spring 17 is fixedly connected with the top of the inner cavity of the moving barrel 21, an annular friction pad 20 is sleeved on the bottom end of the moving barrel 21, moving grooves matched with the moving barrel 21 are formed in the inner cavity top of the second empty slot, the moving barrel 21 passes through the moving grooves to extend to the upper portion of the L-shaped plate 6, pressing blocks 22 are fixedly connected to the side walls of the L-shaped plates 22, and the supporting legs 2 are uniformly distributed on the side walls of the supporting columns 1.

Through the mutual cooperation between second spring 23, second quarter butt 24 and the cambered surface groove for second spring 23 promotes second quarter butt 24 joint in the cambered surface inslot, thereby realizes the location to rotatory piece 5 angles, simultaneously through the shrink of second spring 23, alright realize rotatory piece 5 angles, through the mutual cooperation between briquetting 22, remove section of thick bamboo 21 and annular friction pad 20, the usable annular friction pad 20 and the frictional force at second empty slot inner chamber top realizes the location to the action direction of removal strip 7, and then realizes the regulation of illumination lamp 8 length.

Working principle: when the technical scheme is used, when the length of the illuminating lamp 8 needs to be adjusted, the downward pressing block 22 drives the top of the annular friction pad 20 to be separated from contact with the top of the second empty groove through the moving cylinder 21, the third spring 17 is compressed at the moment, the moving cylinder 21 is pushed to adjust the moving strip 7 to move left and right, further, the adjustment of the extending length of the illuminating lamp 8 is achieved, after the adjusting block 22 is released, at the moment, under the action of the third spring 17, the top of the annular friction pad 20 is contacted with the top of the second empty groove, the horizontal position of the illuminating lamp 8 is positioned by utilizing the friction force between the annular friction pad 20 and the top of the second empty groove, meanwhile, the rotatable L-shaped plate 6 drives the rotating block 5 to rotate, when the bottom end of the second short rod 24 is separated from the corresponding cambered groove, the bottom of the second short rod 24 is separated from the adjacent cambered groove, when the second short rod 24 reaches the next cambered groove, the second short rod 24 is inserted into the next cambered groove under the stretching action of the second spring 23, the convenient positioning of the rotating block 5 rotating angle is achieved, when the height of the limiting block 16 needs to be adjusted, the rotating block 16 is in the direction of the second short rod, and the rotating block is positioned at the next position of the second rotary block is the second short rod 4, and the rotary block is positioned at the position of the second rotary block is the second rotary block 5, and the rotary block is in the direction of the rotary block is separated from the next position from the corresponding rotary block, and the rotary block is positioned to the rotary block and the rotary block is in the rotary block.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Shadowless lamp with adjustable lighting fixture, including support column (1), its characterized in that: the utility model discloses a rotary pedal type blind groove forming device, including support column (1) and rotary pedal type blind groove forming device, blind groove has been seted up at support column (1) top, swing joint has thick section of thick bamboo (9) in the blind groove, be provided with lead screw (3) in thick section of thick bamboo (9), thick section of thick bamboo (9) right side inner wall is close to below department fixedly connected with and lead screw (3) assorted slider (15), lead screw (3) bottom passes through bearing and blind groove inner chamber bottom swing joint, first empty slot has been seted up in support column (1) near below department, lead screw (3) bottom passes the bearing inner circle and extends to the empty slot in to fixedly connected with first circular block (14), first empty slot inner chamber bottom swing joint has second circular block (11), first circular block (14) bottom and second circular block (11) top all fixedly connected with a plurality of evenly distributed's tooth piece, second circular block (11) right wall fixedly connected with connecting rod, first empty slot right side inner wall sets up with connecting rod assorted logical groove, the connecting rod right end passes logical groove and extends to first empty slot outside, and fixedly connected with first empty slot (10), second empty slot (4) inner wall (6) are connected with rotary pedal (5) in the top swing joint has (6), the inner wall on the right side of the second empty slot is provided with a through slot matched with the movable strip (7), the right wall of the movable strip (7) penetrates through the through slot to extend to the right side of the L-shaped plate (6), and the bottom of the movable strip (7) is fixedly connected with an illuminating lamp (8) close to the right side.

2. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: limiting blocks (16) are fixedly connected to the left side wall and the right side wall of the coarse cylinder (9) close to the lower side, and limiting grooves matched with the limiting blocks (16) are formed in the inner walls of the left side and the right side of the blind groove.

3. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: the novel structure is characterized in that a first short rod (13) is fixedly connected to the bottom of the second round block (11), a first blind hole matched with the first short rod (13) is formed in the bottom of the inner cavity of the first empty groove, the bottom end of the first short rod (13) extends into the first blind hole and is fixedly connected with a first spring (12), and the bottom end of the first spring (12) is fixedly connected with the bottom of the inner cavity of the first blind hole.

4. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: the rotary block (5) is characterized in that a second blind hole is formed in the bottom of the rotary block, close to the right side, a second spring (23) is fixedly connected to the top of an inner cavity of the second blind hole, a second short rod (24) is fixedly connected to the bottom end of the second spring (23), and a plurality of cambered surface holes matched with the second short rod (24) are formed in the top of the third round block (4).

5. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: limiting strips (19) are fixedly connected to the inner walls of the front side and the rear side of the second empty groove, and limiting grooves matched with the limiting strips (19) are formed in the inner walls of the front side and the rear side of the movable strip (7).

6. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: the utility model discloses a movable strip, including movable strip (7), movable strip, L-shaped plate (6), movable strip (7), annular friction pad (20) have been cup jointed to movable strip (7) top department near left side department fixedly connected with third quarter butt (18), third quarter butt (18) top cover is equipped with removes section of thick bamboo (21), third quarter butt (18) top fixedly connected with third spring (17), third spring (17) top and movable barrel (21) inner chamber top fixedly connected with, annular friction pad (20) have been cup jointed to movable barrel (21) bottom, second empty slot inner chamber top offered with movable barrel (21) assorted movable groove, movable barrel (21) top passes the movable groove and extends to L shaped plate (6) top to fixedly connected with briquetting (22).

7. A shadowless lamp having an adjustable lamp holder as defined in claim 1, wherein: the side wall of the support column (1) is fixedly connected with a plurality of uniformly distributed support legs (2).

8. A shadowless lamp with an adjustable lamp holder according to claim 1, characterized in that the lamp (8) consists of a base, a lamp base and a plurality of lamp heads, which reduces interference shadows.