CN213371914U - Self-balancing slideway type hanging arm mechanism of combined optometry table - Google Patents

Abstract

The utility model relates to a self-balancing slide formula of combination optometry platform hangs arm mechanism, including base part, slide peg graft in support component on the base part, set up in the arm part of hanging of support component upper end, the base part is in support component one side is provided with control unit, control unit including rotate connect in pivot, the one end of base part upper end are fixed in the support component lower extreme other end set up in copper wire, the coaxial setting in pivot week side in pivot one end just is located the drive handle of base part one side. The utility model has the characteristics of but manual regulation, it is convenient to adjust, safer etc.

Description

Self-balancing slideway type hanging arm mechanism of combined optometry table

Technical Field

The utility model belongs to the technical field of optometry auxiliary assembly technique and specifically relates to a self-balancing slide formula that makes up optometry platform hangs arm mechanism is related to.

Background

At present, the main functions of the combined optometry table are to provide a comfortable examination and optometry environment for patients with poor eyesight and to provide necessary space and power supply support for the combined use of various instruments in the optometry and optometry. The combined optometry table type product is used in optometry and ophthalmology medical industry at present, and is gradually an indispensable auxiliary device in the industry, integrates a plurality of optometry devices, and is matched with a comfortable multifunctional chair, so that the optometry efficiency and the optometry accuracy are enhanced, and a patient can perform optometry in a relaxed environment. It has begun to spread in domestic and foreign spectacle stores and ophthalmic hospitals because of its practicality and high efficiency. Only in the domestic market, the annual demand reaches more than ten thousand. The demand is more on the vast foreign market. Some imported products have the price of seven to eight thousands and hundreds of thousands, while the quality of domestic poorer products cannot be ensured. On the other hand, the existing combined optometry table in the market is complex in operation, complicated in positioning and inconvenient to use.

The prior patent grant publication number: CN202091742U "a lifting device for cross arm mechanism of combined optometry table" discloses a lifting device for cross arm mechanism of combined optometry table, comprising two symmetrical vertical guide rails at the lower part thereof, wherein two vertical guide rails are respectively provided with a positioning wheel and a movable pulley, the two movable pulleys are connected through a cross shaft, the table mechanism is provided with a lifting motor, the output shaft of the lifting motor is connected with the cross shaft, the table mechanism is further provided with a first guide wheel positioned above the movable pulley and a second guide wheel connected with a vertical rod part, a steel rope sequentially bypasses the movable pulley, the first guide wheel and the second guide wheel, one end of the steel rope is fixed on the vertical rod part, and the other end of the steel rope is fixed on the table mechanism. In the device, an output shaft of a lifting motor drives a movable pulley to lift up and down in a sliding rail, a first guide wheel and a second guide wheel are sequentially driven to rotate through a steel rope, and a vertical rod part is driven by the second guide wheel to lift up and down, so that the purpose of adjusting the height position of a cross arm mechanism is achieved.

The above prior art solutions have the following drawbacks: the cross arm mechanism is driven to lift through the lifting motor, when power is off, the lifting motor cannot work, and the combined optometry table cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-balancing slide formula of combination optometry platform that can manually adjust hangs arm mechanism to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a self-balancing slide formula of combination optometry platform hangs arm mechanism, include the base part, slide peg graft in support component on the base part, set up in hang arm part on the support component, the base part is in support component one side is provided with control unit, control unit including rotate connect in pivot, the one end of base part upper end is fixed in support component lower extreme other end set up in the copper wire of pivot week side, coaxial set up in pivot one end just is located the drive handle of base part one side.

Through adopting above-mentioned technical scheme, when this combination optometry platform during operation, fix optometry part at string arm part lower extreme, then rotate the drive handle for the pivot rotates, and the copper wire is convoluteed to pivot week side this moment, and along with the copper wire is convoluteed the shrink, fixes and to drive the supporting component rebound at the copper wire of supporting component lower extreme, thereby drives and hangs arm part and optometry part and shifts up. This scheme slides from top to bottom through control unit manual drive supporting component and string arm part for can carry out optometry equally when having a power failure.

The utility model discloses further set up to: the control component further comprises a fixed pulley coaxially arranged in the middle of the rotating shaft, the steel wire is inserted on the periphery of the fixed pulley in a sliding mode, a counterweight component is arranged at one end far away from the supporting component, and the counterweight component is located on the lower side of the fixed pulley.

Through adopting above-mentioned technical scheme, when hanging arm part department fixed optometry part, hang arm part and support component's total weight are too big, will optometry part, hang arm part and support component and lift probably more difficultly through rotating the drive handle, this scheme sets up the fixed pulley in the pivot, passes the fixed counterweight part behind the fixed pulley with the copper wire for through balanced optometry part of counterweight part, hang arm part and support component, make can be lighter during rotation drive handle, it is more convenient.

The utility model discloses further set up to: the upper end of the base part is provided with a limiting sleeve, and the upper end of the supporting part is inserted in the limiting sleeve in a sliding manner.

Through adopting above-mentioned technical scheme, through set up the stop collar that supplies the support component to slide and peg graft in base part upper end for can follow the accurate vertical slip of stop collar when the support component slides, guarantee the accuracy that the support component removed on the one hand, on the other hand provides better lateral part and supports, avoids causing the support component crooked because of optometry part weight is too big.

The utility model discloses further set up to: the base part comprises a lower base plate and an upper base plate, a guide part is arranged between the upper base plate and the lower base plate, the guide part comprises two vertical guide posts which are arranged in parallel, and guide pieces which are arranged at one ends of the two guide posts in a vertical sliding mode, and the guide pieces are fixed at the side ends of the counterweight parts.

By adopting the technical scheme, the direction of the movement of the counterweight component is controlled by the guide component, so that the counterweight component is ensured to be in the vertical direction when moving, and the stability of the counterweight component when moving is ensured simultaneously, and the support component can be more stable when moving.

The utility model discloses further set up to: the guide post is provided with limiting pieces on the upper side and the lower side close to one end of the guide piece.

Through adopting above-mentioned technical scheme, through both ends set up spacing piece about the guide post for when the counter weight part slided from top to bottom along the guide post, when the guide post butt was to spacing piece, counter weight part stop moving, and this scheme is through setting up two spacing pieces, prescribes a limit to the stroke that counter weight part removed, avoids counter weight part to remove the head, causes its itself or other parts to damage.

The utility model discloses further set up to: the counterweight component comprises a connecting plate at the upper end and a plurality of counterweight plates arranged at the lower end of the connecting plate, T-shaped chutes are formed in the lower ends of the connecting plate and the counterweight plates, and T-shaped sliding strips which are inserted into the T-shaped chutes in a sliding mode are arranged at the upper ends of the counterweight plates.

Through adopting above-mentioned technical scheme, can not confirm the weight of optometry part, and the weight of counter weight part is calculated according to optometry part, hang arm part and support component's total weight, it is lighter when rotating the drive handle to reach, need change the weight of counter weight part according to optometry part's weight, and it is more troublesome probably to change whole counter weight part, this scheme divides into a connecting plate and polylith weight plate with the counter weight part, it is fixed that weight plate accessible "T" type spout and "T" type draw runner are pegged graft in proper order, when making optometry part's weight change, only need increase or reduce several weight plates alright, it is more convenient.

The utility model discloses further set up to: the fixed pulleys are provided with two fixed pulleys, the lower end of the supporting part is horizontally provided with two first connecting seats for the steel wire to be connected, and the upper end of each connecting plate is provided with two second connecting seats for the other end of the steel wire to be connected.

Through adopting above-mentioned technical scheme, through setting up two fixed pulleys for the copper wire of connection between supporting component and counter weight part is two, and when making to rotate the pivot, the supporting component is more stable that rises, simultaneously, undertakes the weight of optometry part, hanging arm part, supporting component and counter weight part through two copper wires, also can alleviate the pressure that the copper wire bore, thereby extension copper wire's life.

The utility model discloses further set up to: the lower end of the upper bottom plate is provided with two supporting plates for the rotating shaft to be rotatably inserted, one end of the fixed pulley, which is far away from each other, is provided with a plurality of grooves, and the inner ends of the supporting plates are provided with bean jumping springs inserted in the grooves.

Through adopting above-mentioned technical scheme, optometry part, hang arm part and support component are similar with the weight of counter weight part for the fixed pulley both ends can keep balance basically, but when the party received pressure, the fixed pulley can slightly rotate, cause the support component to remove, this scheme sets up the spring of jumping beans in the backup pad in the fixed pulley outside, make the spring of jumping beans peg graft in the recess, make the fixed pulley can not just rotate because of a bit pressure, thereby realize the location, guarantee the security that the arm mechanism was hung to the self-balancing slide way formula of combination optometry platform used.

To sum up, the utility model discloses a beneficial technological effect does:

1. the support component is easily lifted and put down by rotating the driving handle and matching with the counterweight component, so that the manual work can be adjusted easily;

2. the counterweight component is formed by the connecting plate and the counterweight plates which are sequentially inserted, so that the effect of adjusting the weight of the counterweight component can be achieved by increasing or reducing the number of the counterweight plates;

3. the jumping bean spring is inserted into the groove, and the balance optometry component, the hanging arm component and the supporting component are positioned with the counterweight component, so that the adjusting process is safer.

Drawings

FIG. 1 is a schematic structural diagram of a self-balancing slideway type arm hanging mechanism of a combined optometry table;

FIG. 2 is a partial exploded view of a self-balancing slide-type boom mechanism of a combination optometry unit;

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

FIG. 4 is an exploded view of a self-balancing slide-type boom mechanism of a combination optometry unit;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is an enlarged view at C of FIG. 4;

fig. 7 is an enlarged view of fig. 4 at D.

In the figure: 1. a base member; 2. a support member; 3. a hanging arm member; 4. a control component; 5. an upper support rod; 6. a lower support bar; 7. a ring groove; 8. a rotating seat; 9. a limit bolt; 10. an upper base plate; 11. a lower base plate; 12. a pillar; 13. a limiting sleeve; 14. a first connecting seat; 15. a support plate; 16. a rotating shaft; 17. a steel wire; 18. a fixed pulley; 19. a drive handle; 20. a weight member; 21. a bean jumping spring; 22. a groove; 23. a connecting plate; 24. a weight plate; 25. a second connecting seat; 26. a T-shaped chute; 27. a "T" shaped slide; 28. a guide member; 29. a guide post; 30. a limiting sheet; 31. a guide piece; 32. a sliding groove; 33. a slide board.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a self-balancing slideway type arm hanging mechanism of a combined optometry table comprises a base part 1, a support part 2 inserted on the base part 1 in a sliding manner, and an arm hanging part 3 arranged at the upper end of the support part 2, wherein the base part 1 is provided with a control part 4 at one side of the support part 2.

Referring to fig. 2 and 3, the support part 2 includes a support rod 5 and a lower support rod 6, the support rod 5 and the lower support rod 6 are integrally arranged, two rings of annular grooves 7 are formed in the periphery of the upper end of the upper support rod 5, the arm hanging part 3 comprises a rotating seat 8 which is rotatably sleeved on the periphery of the upper support rod 5, two limit bolts 9 are connected to the side end of the rotating seat 8 through threads, the limit bolts 9 penetrate into the rotating seat 8 and are inserted into the annular grooves 7, the arm hanging part 3 and the support part 2 are fixed in the vertical direction, and the arm hanging part 3 can horizontally rotate around the support rod 5 as the axis.

Referring to fig. 2 and 5, the base part 1 comprises an upper base plate 10 and a lower base plate 11 which are parallel to each other, a pillar 12 is connected between the middle parts of the upper base plate 10 and the lower base plate 11 through a bolt, a limit sleeve 13 is connected to the upper end of the upper base plate 10 through a bolt, and the support part 2 penetrates through the upper base and is inserted in the limit sleeve 13 in a sliding manner.

The lower support rod 6 extends to one end close to the lower bottom plate 11, and two first connecting seats 14 are integrally arranged on the periphery of the lower end of the lower support rod 6.

Referring to fig. 2 and 6, two support plates 15 are integrally provided at the lower end of the upper plate 10 on both sides of the support column 12 in parallel with each other. The control part 4 comprises a rotating shaft 16 which is rotatably connected with the inner ends of the two supporting plates 15 through bearings, two steel wires 17 with one ends fixed on the first connecting seat 14 through bolts, two fixed pulleys 18 which are coaxially welded on the peripheral side of the rotating shaft 16, and a driving handle 19 which is coaxially welded on one end of the rotating shaft 16 and is positioned on one side of the upper bottom plate 10.

The steel wire 17 extends vertically upwards from the first connecting seat 14, is slidably inserted on the upper sides of the two fixed pulleys 18, extends vertically downwards after being wound for half a turn, and is fixed with a counterweight component 20. By rotating the driving handle 19, the fixed pulley 18 rotates, and the steel wire 17 slides, so that the supporting member 2 is driven to move upwards, the counterweight member 20 slides downwards, or the supporting member 2 slides downwards, the counterweight member 20 moves upwards.

Referring to fig. 5 and 6, the supporting plate 15 has a bean-jumping spring 21 inserted into an end thereof close to each other, and the two fixed pulleys 18 have a plurality of grooves 22 formed in ends thereof far from each other for inserting the bean-jumping spring 21, thereby positioning the arm unit 3 and the supporting unit 2, which have been balanced by the weight unit 20.

Referring to fig. 5 to 7, the weight member 20 includes a connecting plate 23 and a plurality of weight plates 24 horizontally disposed, two second connecting seats 25 are integrally formed at an upper end of the connecting plate 23, and a distance between the two second connecting seats 25 is the same as a distance between the two first connecting seats 14 and a distance between the two fixed pulleys 18. Two parallel T-shaped sliding grooves 26 are formed in the lower ends of the connecting plate 23 and the counterweight plate 24, two parallel T-shaped sliding strips 27 inserted in the T-shaped sliding grooves 26 in a sliding mode are integrally arranged at the upper end of the counterweight plate 24, the counterweight component 20 forms a whole, and the number of the counterweight plates 24 can be increased or decreased at will.

Referring to fig. 2, 6 and 7, a guide member 28 is provided between the upper plate 10 and the upper plate 10 on the side of the weight member 20 away from the support member 2. The guide part 28 comprises two guide posts 29 vertically fixed between the upper base plate 10 and the lower base plate 11 through bolts, the two guide posts 29 are parallel to each other, and two limiting pieces 30 are fixed on one side ends of the guide posts 29 far away from the support part 2 through bolts and are respectively positioned at the upper end and the lower end. The guide member 28 further includes a guide piece 31 fixed to one side of the connecting plate 23 by a bolt, the guide piece 31 abuts against a side end of the guide post 29 away from the support member 2, an elongated sliding groove 32 is vertically formed in the side end of the guide post 29, and a sliding plate 33 inserted into the sliding groove 32 and sliding is integrally provided at one end of the guide piece 31 close to the support member 2. When the counterweight member 20 vertically slides, the counterweight member 20 can stably move under the action of the sliding plate 33 and the guide plate, and when the guide piece 31 abuts against one end of the limiting piece 30, the counterweight member 20 stops moving.

The implementation principle of the embodiment is as follows:

when the self-balancing slideway type hanging arm mechanism of the combined optometry table is used, the weight of an optometry part arranged at a hanging arm part 3 is determined firstly, the weight of a balance weight part 20 is determined by combining the weight of the optometry part, a supporting part 2 and the weight of the hanging arm part 3, then a certain number of balance weight plates 24 are inserted into or drawn out of the lower end of the balance weight part 20, then a driving handle 19 is rotated, a rotating shaft 16 and a fixed pulley 18 rotate together, the steel wire 17 is driven to slide while rotating, the steel wire 17 is lengthened towards one end of the balance weight part 20, the balance weight part 20 slides downwards, the other end of the steel wire 17 contracts, and the supporting part 2 is driven to slide upwards.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a self-balancing slide formula of combination optometry platform hangs arm mechanism, include base part (1), slide peg graft in support component (2) on base part (1), set up in hang arm part (3) of support component (2) upper end, its characterized in that: base part (1) is in supporting component (2) one side is provided with controlling means (4), controlling means (4) including rotate connect in pivot (16), the one end of base part (1) upper end are fixed in supporting component (2) lower extreme other end set up in copper wire (17), coaxial setting in pivot (16) week side in pivot (16) one end and be located driving handle (19) of base part (1) one side.

2. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 1, which is characterized in that: the control component (4) further comprises a fixed pulley (18) coaxially arranged in the middle of the rotating shaft (16), the steel wire (17) is connected with the periphery of the fixed pulley (18) in a sliding and inserting mode, a counterweight component (20) is arranged at one end far away from the supporting component (2), and the counterweight component (20) is located on the lower side of the fixed pulley (18).

3. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 2, which is characterized in that: the upper end of the base part (1) is provided with a limiting sleeve (13), and the upper end of the supporting part (2) slides and is inserted into the limiting sleeve (13).

4. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 3, which is characterized in that: the base component (1) comprises a lower base plate (11) and an upper base plate (10), a guide component (28) is arranged between the upper base plate (10) and the lower base plate (11), the guide component (28) comprises two vertical guide columns (29) which are arranged in parallel, and guide pieces (31) which are vertically arranged at one ends of the two guide columns (29) in a sliding mode, and the guide pieces (31) are fixed at the side ends of the counterweight component (20).

5. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 4, which is characterized in that: and limiting pieces (30) are arranged on the upper side and the lower side of one end, close to the guide piece (31), of the guide column (29).

6. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 5, which is characterized in that: the counterweight component (20) comprises a connecting plate (23) at the upper end and a plurality of counterweight plates (24) arranged at the lower end of the connecting plate (23), T-shaped chutes (26) are formed in the lower ends of the connecting plate (23) and the counterweight plates (24), and T-shaped sliding strips (27) which are inserted in the T-shaped chutes (26) in a sliding mode are arranged at the upper ends of the counterweight plates (24).

7. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 6, which is characterized in that: the fixed pulley (18) is provided with two, the lower end of the supporting part (2) is horizontally provided with two first connecting seats (14) for the steel wire (17) to connect, and the upper end of the connecting plate (23) is provided with two second connecting seats (25) for the other end of the steel wire (17) to connect.

8. The self-balancing slideway type arm hanging mechanism of the combined optometry table of claim 7, which is characterized in that: the lower end of the upper bottom plate (10) is parallelly provided with two supporting plates (15) for the rotating shaft (16) to rotate and be inserted, one end of the fixed pulley (18) far away from each other is provided with a plurality of grooves (22), and the inner end of each supporting plate (15) is provided with a bean jumping spring (21) inserted in each groove (22).

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