CN210050768U - Lamp arm structure for oral lamp - Google Patents

Abstract

The utility model discloses a lamp arm structure for oral cavity lamp, including support arm, steering connection subassembly and outer tube, the support arm forms swing joint with the outer tube through steering connection subassembly, steering connection subassembly includes fixed cover of fixed mounting on the support arm end, through the upper cover of bolt joint on fixed cover top, the end socket of movable mounting on the outer tube end, through the pivot of bolt fastening on the end socket and set up the spacing snap ring in the pivot top outside, be provided with the connector on one side outer wall of end socket, and the connector is including welding the branch even head on the outer wall of end socket one side, it is provided with the uide hole on the outer wall of one side of end socket to prop even head. The utility model discloses when making this arm, the operator can carry out solitary manufacturing to support arm, steering connection subassembly and outer tube respectively, and the finished product arm is obtained in the equipment, so, has solved the technological problem of integrated production, reduction in production cost.

Description

Lamp arm structure for oral lamp

Technical Field

The utility model relates to an oral cavity lamp arm technical field especially relates to a lamp arm structure for oral cavity lamp.

Background

The oral lamp is a product for providing illumination in stomatology operation and diagnosis, and provides convenience for examination and treatment in the oral cavity. The oral cavity lamp is generally fixed on a bracket, and the bracket is generally fixed on a dental chair or a ceiling, so that a doctor can conveniently adjust the oral cavity lamp at any time.

Present oral cavity lamp support does not have damping function mostly, and unable convenient location needs the position of the adjustment oral cavity lamp that the doctor lasts or carries out special support to the oral cavity lamp, has increased doctor's working strength, and current outer tube and inner tube adopt the mode of integrated into one piece, not only brings great difficulty for the commentaries on classics outfit, increases the cost of manufacturing simultaneously. Therefore, it is desirable to design a lamp arm structure for an oral lamp to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lamp arm structure for an oral cavity lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lamp arm structure for an oral cavity lamp comprises a support arm, a steering connection assembly and an outer tube, wherein the support arm is movably connected with the outer tube through the steering connection assembly, the steering connection assembly comprises a fixed sleeve fixedly arranged on the end head of the support arm, an upper cover clamped on the top end of the fixed sleeve through a bolt, an end seat movably arranged on the end head of the outer tube, a rotating shaft fixed on the end seat through a bolt and a limiting snap ring arranged outside the top end of the rotating shaft, a connector is arranged on the outer wall of one side of the end seat and comprises a supporting connection head welded on the outer wall of one side of the end seat, a guide opening is formed in the outer wall of one side, far away from the end seat, of the supporting connection head, circular through holes which are symmetrically distributed are formed in the outer walls of two sides of the supporting connection head, the outer tube adopts a hollow structure, both ends, the damping device is characterized in that a rotatable rotating disc is arranged in the circular through hole, a central shaft is arranged at the center between the two rotating discs, an eccentric sleeve is arranged at the eccentric position between the two rotating discs through a connecting rod, a support rod is sleeved on the eccentric sleeve positioned at the two end parts of the outer pipe, a socket is arranged at the end of the support rod, the connecting rod sleeved on the eccentric sleeve is inserted in the socket, a damping mechanism is arranged below the support rod and comprises a limit block fixedly embedded in the bayonet, limit buckles are welded on the outer walls of the two sides of the top of the limit block, movable shaft sleeves are arranged in cavities of the limit buckles, guide rods are inserted in the shaft sleeves, damping springs are sleeved outside the guide rods, inner pipes are sleeved outside the damping springs, and limit discs fixedly arranged on the guide rods are arranged at one end of the inner pipes, the outer wall of guide bar one end is provided with the connecting pin, and the connecting pin is connected with the connecting rod, all fixed the card post that is provided with the draw-in groove that is provided with on the inner wall of outer tube both sides, all the welding has the card rib on the outer wall of inner tube top both sides, and the card rib inserts in the inside of card post.

Further, the support arm is kept away from the one end fixed mounting who turns to coupling assembling has the elbow, and the one end that the support arm was kept away from to the elbow is provided with the plug that is used for being connected with the montant.

Further, the one end swing joint that the outer tube kept away from the steering linkage subassembly has the end cap, and the connector on end cap and the lamp body forms fixed connection.

Furthermore, the rotating disc, the central shaft, the eccentric sleeve, the socket, the support rod, the connecting rod and the connecting pin jointly form a connecting body, and the outer pipe is rotatably connected with the branch connecting head through the connecting body.

Furthermore, the outer pipe and the central shaft rotate synchronously, the stay bar and the connecting rod rotate synchronously along the eccentric sleeve, and the damping mechanism acts when the outer pipe ascends and descends.

The utility model has the advantages that:

1. adopt support arm, steering connection subassembly and the split type structure of outer tube, when making this arm, the operator can carry out solitary manufacturing to support arm, steering connection subassembly and outer tube respectively, and the equipment is obtained finished product arm, so, has solved the difficult technical problem of integrated production, reduction in production cost.

2. Through the steering connection assembly who sets up, can let the outer tube along the support arm horizontal hunting, realize shining the control of angle to the lamp body, satisfy the effect that people want, bring very big practicality for the use of people to the lamp body.

3. Through the damping mechanism and the connector that set up, when the outer tube passes through the connector and links overhead rotation from top to bottom along a branch, have better damping effect, guaranteed the stability behind the outer tube motion to realize that lamp holder installation people's demand is fixed on suitable position.

4. The outer pipe and the inner pipe are independently processed, and the clamping ribs and the clamping columns are utilized to realize splicing between the outer pipe and the inner pipe, so that the processing difficulty and the processing cost are reduced.

5. Through the design of bayonet socket, be for the convenience in the damped regulation of lamp arm, when the customer used the oral cavity lamp of different weight, all can open the lid, through adjusting inside adjusting nut, damping and the dynamics that just can be quick simple readjust lamp arm need not dismantle just can be applicable to the oral cavity lamp of various different weights.

Drawings

Fig. 1 is a perspective view of an angle structure of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 2 is a perspective view of another angle structure of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 3 is an exploded view of a steering connection assembly structure of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 4 is a schematic structural diagram of a connector of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 5 is a schematic structural view of an outer tube of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 6 is a schematic structural view of a damping mechanism of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 7 is an enlarged view of a partial structure of a connector of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 8 is a schematic view of a damping mechanism with an inner tube removed structure for a lamp arm structure of an oral cavity lamp according to the present invention;

fig. 9 is an enlarged view of a partial structure of a fixed end of a lamp arm structure for an oral cavity lamp according to the present invention;

fig. 10 is a schematic structural view of a clip column and a clip rib of a lamp arm structure for an oral cavity lamp according to the present invention.

In the figure: the device comprises a support arm 1, an elbow 2, a plug 3, a steering connection assembly 4, an outer tube 5, an end cap 6, an upper cover 7, a fixing sleeve 8, an end seat 9, a rotating shaft 10, a limit snap ring 11, a connecting head 12, a guide opening 13, a rotating disc 14, a connecting opening 15, a bayonet 16, a connecting body 17, a central shaft 18, an eccentric sleeve 19, a socket 20, an inner tube 21, a limit disc 22, a connecting pin 23, a connecting rod 24, a support rod 25, a damping mechanism 26, a limit block 27, a limit buckle 28, a shaft sleeve 29, a guide rod 30, a damping spring 31, a clamping column 32 and a clamping rib 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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

Please refer to fig. 1 to 10 simultaneously, a lamp arm structure for an oral cavity lamp, comprising a support arm 1, a steering connection assembly 4 and an outer tube 5, wherein the support arm 1 is movably connected with the outer tube 5 through the steering connection assembly 4, the outer tube 5 can be reversed along the support arm 1 through the steering connection assembly 4, so as to adjust the irradiation angle of a lamp body, the steering connection assembly 4 comprises a fixing sleeve 8 fixedly installed on the end of the support arm 1, an upper cover 7 clamped on the top end of the fixing sleeve 8 through a bolt, an end seat 9 movably installed on the end of the outer tube 5, a rotating shaft 10 fixed on the end seat 9 through a bolt and a limit snap ring 11 arranged on the outer side of the top end of the rotating shaft 10, the position of the outer tube 5 along the steering connection assembly 4 is limited, so as to ensure the stability of the lamp arm in supporting the lamp body, a connector is arranged on the outer wall of one side of the end, the outer wall of one side of the supporting and connecting head 12, which is far away from the end seat 9, is provided with a guide port 13, the outer walls of two sides of the supporting and connecting head 12 are provided with circular through holes which are symmetrically distributed, the outer tube 5 adopts a hollow structure, two ends of the outer tube 5 are both provided with connecting ports 15, the outer wall of one side of the bottom of the outer tube 5 is provided with a bayonet 16, the design of the bayonet 16 is convenient for adjusting the damping of the lamp arm, when a customer uses the oral lamps with different weights, the cover can be opened, the damping and the force of the lamp arm can be quickly and simply readjusted by adjusting an adjusting nut inside, the lamp arm can be suitable for the oral lamps with different weights without disassembly, a rotatable rotating disc 14 is arranged inside the circular through hole, a central shaft 18 is arranged at the center between the two rotating discs 14, an eccentric sleeve 19 is arranged at the eccentric position between the two rotating discs 14 through a connecting rod, and a support, the end of the stay bar 25 is provided with a socket 20, the socket 20 is internally inserted with a connecting rod 24 sleeved on the eccentric sleeve 19, a damping mechanism 26 is arranged below the stay bar 25 to ensure the stability of the up-and-down adjustment of the outer tube 5, the damping mechanism 26 comprises a limit block 27 fixedly embedded in the bayonet 16, limit buckles 28 are welded on the outer walls of the two sides of the top of the limit block 27, a movable shaft sleeve 29 is arranged in the cavity of the limit buckle 28, a guide bar 30 is inserted in the shaft sleeve 29, a damping spring 31 is sleeved outside the guide bar 30, an inner tube 21 is sleeved outside the damping spring 31, one end of the inner tube 21 is provided with a limit disc 22 fixedly arranged on the guide bar 30, the outer wall of one end of the guide bar 30 is provided with a connecting pin 23, the connecting pin 23 is connected with the connecting rod 24, the inner walls of the two sides of the outer tube 5 are both fixedly provided with clamping columns 32, all welded on the outer wall of inner tube 21 top both sides has the card rib 33, and the inside at calorie post 32 is inserted to card rib 33, adopts the mode of outer tube 5 and inner tube 21 processing alone to utilize card rib 33 and card post 32 to realize the concatenation between the two, thereby reduced the degree of difficulty of processing and the cost of processing.

Further, the one end fixed mounting that the support arm 1 kept away from and turned to coupling assembling 4 has elbow 2, and the one end that support arm 1 was kept away from to elbow 2 is provided with and is used for the plug 3 of being connected with the montant, and the plug is connected with fixing montant or the platform subaerial, also can adopt the structure when dismantling, and the people of being convenient for are to the equipment of lamp arm.

Further, the outer tube 5 is kept away from the one end swing joint that turns to coupling assembling 4 and is had end cap 6, and the connector on end cap 6 and the lamp body forms fixed connection, and the connector on end cap 6 and the lamp body adopts detachable connected mode, the equipment between the arm of the lamp of being convenient for and the lamp body.

Furthermore, the rotating disc 14, the central shaft 18, the eccentric sleeve 19, the socket 20, the support rod 25, the connecting rod 24 and the connecting pin 23 jointly form a connecting body 17, the outer tube 5 is rotatably connected with the support connecting head 12 through the connecting body 17, and the connecting body 17 is used for supporting the support connecting head 12 and the outer tube 5 and serves as a motion transmission component, so that the structural design is reasonable, and the reversing capability of the lamp arm is enhanced.

Further, the outer tube 5 rotates synchronously with the central shaft 18, the support rod 25 and the connecting rod 24 rotate synchronously along the eccentric sleeve 19, and the damping mechanism 26 acts when the outer tube 5 goes up and down, so that the outer tube 5 after turning has a good positioning effect, and the stability of the lamp arm in use is ensured.

The working principle is as follows: when the lamp arm is used, an operator can separately manufacture the support arm 1, the steering connecting assembly 4 and the outer tube 5 when the lamp arm is manufactured, and the support arm 1, the steering connecting assembly 4 and the outer tube 5 are assembled together after the parts are manufactured, so that a finished lamp arm is obtained; in the using process of the lamp arm, an operator fixes the plug 3 end on the elbow 2 on the platform or the vertical rod, the lamp body is arranged on the end cap 6, and the operator can enable the outer tube 5 to rotate left and right through the steering connecting assembly 4; can let outer tube 5 rotatory from top to bottom through connector 17, realize the purpose to lamp body multi-angle modulation, wherein, the operator lifts up outer tube 5 with the hand, make outer tube 5 drive center pin 18 and rolling disc 14 rotatory simultaneously, thereby make eccentric cover 19 drive vaulting pole 25 synchronous revolution, because the action of eccentric cover 19, make pull rod 24 move thereupon, thereby change the inside damping spring 31 action of damping mechanism 26, the effect of the better location of realization to outer tube 5, practicality when having improved this arm of this lamp specifically used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The lamp arm structure for the oral cavity lamp comprises a support arm (1), a steering connection assembly (4) and an outer tube (5), and is characterized in that the support arm (1) forms a movable connection with the outer tube (5) through the steering connection assembly (4), the steering connection assembly (4) comprises a fixed sleeve (8) fixedly arranged on the end of the support arm (1), an upper cover (7) clamped on the top end of the fixed sleeve (8) through a bolt, an end seat (9) movably arranged on the end of the outer tube (5), a rotating shaft (10) fixed on the end seat (9) through a bolt and a limiting snap ring (11) arranged on the outer side of the top end of the rotating shaft (10), a connector is arranged on the outer wall of one side of the end seat (9) and comprises a connecting head (12) welded on the outer wall of one side of the end seat (9), a guide port (13) is arranged on the outer wall of one side of the connecting head (12), circular through holes which are symmetrically distributed are formed in the outer walls of the two sides of the supporting connecting head (12), the outer pipe (5) is of a hollow structure, connecting ports (15) are formed in the two ends of the outer pipe (5), a bayonet (16) is formed in the outer wall of one side of the bottom of the outer pipe (5), rotatable rotating discs (14) are arranged inside the circular through holes, a central shaft (18) is arranged in the center between the two rotating discs (14), an eccentric sleeve (19) is arranged at the eccentric position between the two rotating discs (14) through a connecting rod, a supporting rod (25) is sleeved on the eccentric sleeve (19) positioned at the two ends of the outer pipe (5), a socket (20) is formed in the end of the supporting rod (25), a connecting rod (24) sleeved on the eccentric sleeve (19) is inserted in the socket (20), and a damping mechanism (26) is arranged below the supporting rod (25), the damping mechanism (26) comprises a limiting block (27) fixedly embedded in the bayonet (16), limiting buckles (28) are welded on the outer walls of the two sides of the top of the limiting block (27), movable shaft sleeves (29) are arranged in cavities of the limiting buckles (28), guide rods (30) are inserted in the shaft sleeves (29), damping springs (31) are sleeved outside the guide rods (30), inner pipes (21) are sleeved outside the damping springs (31), limiting discs (22) fixedly installed on the guide rods (30) are arranged at one ends of the inner pipes (21), connecting pins (23) are arranged on the outer wall of one end of each guide rod (30), the connecting pins (23) are connected with connecting rods (24), clamping columns (32) with clamping grooves are fixedly arranged on the inner walls of the two sides of the outer pipe (5), clamping ribs (33) are welded on the outer walls of the two sides of the top of the inner pipe (21), and the snap rib (33) is inserted inside the snap column (32).

2. A lamp arm structure for an oral cavity lamp according to claim 1, wherein an elbow (2) is fixedly installed at one end of the supporting arm (1) far away from the steering connecting component (4), and a plug (3) for connecting with a vertical rod is arranged at one end of the elbow (2) far away from the supporting arm (1).

3. The lamp arm structure for the oral cavity lamp according to claim 1, wherein an end cap (6) is movably connected to one end of the outer tube (5) far away from the steering connecting assembly (4), and the end cap (6) is fixedly connected with the connector on the lamp body.

4. A lamp arm structure for oral cavity lamp according to claim 1, characterized in that the rotating disc (14), the central shaft (18), the eccentric sleeve (19), the socket (20), the stay bar (25), the connecting rod (24) and the connecting pin (23) together form a connecting body (17), and the outer tube (5) forms a rotating connection with the branch connecting head (12) through the connecting body (17).

5. A lamp arm structure for oral cavity lamp according to claim 1, wherein the outer tube (5) rotates synchronously with the central shaft (18), the stay bar (25) and the connecting rod (24) rotate synchronously along the eccentric sleeve (19), and the damping mechanism (26) acts when the outer tube (5) goes up and down.

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