CN111779941A - Display lifting support frame - Google Patents

Display lifting support frame Download PDF

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Publication number
CN111779941A
CN111779941A CN202010735704.9A CN202010735704A CN111779941A CN 111779941 A CN111779941 A CN 111779941A CN 202010735704 A CN202010735704 A CN 202010735704A CN 111779941 A CN111779941 A CN 111779941A
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CN
China
Prior art keywords
lifting
upright post
connecting arm
lifting groove
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010735704.9A
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Chinese (zh)
Inventor
曲波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Stronkin Electronic Co Ltd
Original Assignee
Taizhou Stronkin Electronic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taizhou Stronkin Electronic Co Ltd filed Critical Taizhou Stronkin Electronic Co Ltd
Priority to CN202010735704.9A priority Critical patent/CN111779941A/en
Publication of CN111779941A publication Critical patent/CN111779941A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/10—Spiral springs with turns lying substantially in plane surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/12—Attachments or mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a display lifting support frame which comprises a hinge assembly, a connecting arm, a constant force spring, an upright post and a base, wherein the hinge assembly is arranged on the connecting arm; the upright post is in a tubular shape, and a lifting groove which penetrates through the upright post from top to bottom is formed in the upright post; the middle upper part of the upright post is provided with an opening communicated with the inside and the outside of the lifting groove along the height direction; the winding end of the constant force spring is rotatably arranged in the mounting groove of the connecting arm, and the stretching end extends into the lifting groove to be connected with the upright post; when the connecting arm is positioned at the uppermost end of the lifting stroke, a part of the winding end extends out of the lifting groove from the opening; the constant force spring, when stretched, tends to force the connecting arms upward, thereby providing a supporting force that supports the display. According to the invention, the winding end of the constant force spring extends out of the lifting groove, so that the limitation of the constant force spring on the size of the cross section of the upright post is eliminated, the upright post is thinner, and the upright post is longer on the whole, thereby being more in line with the aesthetic requirements of modern people.

Description

Display lifting support frame
Technical Field
The invention relates to the technical field of display supports, in particular to a columnar display lifting support frame.
Background
At present, various displays are widely used in the present life, and at present, the display is mainly a liquid crystal display, which is a display similar to a plate, cannot stand by itself, can be used only by being supported by a support device such as a support frame, and is more convenient to use in practical use.
However, the display supporting frame structure in the prior art is more traditional, that is, the constant force spring is required to be installed in the inner space of the upright post, and the external dimension of the constant force spring to bear a certain display weight cannot be made very small. The cross-sectional dimension of the column is thereby limited and cannot be made slimmer. Thus, the prior art upright post has large external dimension when viewed from the cross section, which causes thick appearance and does not meet the requirements of users with the requirement of upright post lengthening and the aesthetic requirements of people at present.
Disclosure of Invention
The present invention is directed to a display lifting support frame to solve at least one of the above technical problems in the prior art.
In order to solve the technical problem, the invention provides a display lifting support frame, which comprises a hinge assembly, a connecting arm, a constant force spring, an upright post and a base, wherein the hinge assembly, the connecting arm, the constant force spring, the upright post and the base are sequentially arranged;
the upright posts are erected on the base;
the upright post is in a tubular shape, and a lifting groove which penetrates through the upright post from top to bottom is formed in the upright post;
the middle upper part of the upright post is provided with an opening communicated with the inside and the outside of the lifting groove along the height direction;
one end of the connecting arm is arranged in the lifting groove in a lifting way, and the other end of the connecting arm extends out of the opening to be connected with the hinge assembly;
the hinge assembly is connected with the display and is used for adjusting the pitching visual angle, the left-right direction swinging visual angle and/or the swinging visual angle around the axis vertical to the screen surface of the display;
the constant force spring comprises a tension end and a winding end;
the winding end is rotatably arranged in the mounting groove of the connecting arm, and the stretching end extends into the lifting groove to be connected with the upright post; when the connecting arm is positioned at the uppermost end of the lifting stroke (when the winding end is not stretched and unfolded and is in an initial state), a part of the winding end extends out of the lifting groove from the opening;
the constant force spring, when stretched, tends to force the connecting arms upward, thereby providing a supporting force that supports the display.
According to the invention, the winding end (or the winding drum part) of the constant force spring extends out of the lifting groove, so that the limitation of the constant force spring on the cross section size of the stand column is eliminated, the stand column is made thinner, and the stand column is longer on the whole, thereby better meeting the aesthetic requirements of modern people.
In the invention, the direction close to the display is the front, the direction far away from the display is the back, and the left and right hands are respectively the left and right sides when the person looks at the display from the upright post.
Further, the connecting arm comprises a plate body part extending into the opening and the lifting groove, and the plate body part is provided with a mounting groove for accommodating and mounting the winding end; the left side surface and the right side surface of the plate body part are arranged below the mounting groove, and a sliding block is arranged at the corresponding part of the opening; the slider follows the linking arm reciprocates, and the slider lateral surface of plate body portion left and right sides supports respectively and leans on the open-ended left and right sides.
When the connecting arm moves up and down, in order to prevent the connecting arm from swinging left and right and the winding end from being scraped and rubbed with the side face of the opening, the swinging of the connecting arm in the left and right directions can be limited by arranging the sliding block, a set gap is kept between the winding end and the two side faces of the opening, the noise during lifting is reduced, and meanwhile, the abrasion caused by friction is avoided. In addition, the arrangement of the sliding block increases the friction resistance when the connecting arm is lifted, plays a role in damping, and can realize the follow-up stop of the lifting process of the display under the coordination of the sliding block and the constant force spring.
Wherein the slider is preferably a strip-shaped POM block.
Furthermore, a friction block is arranged at the rear end of the plate body part extending into the lifting groove, the cross section of the friction block is U-shaped, and the rear end of the plate body part is inserted into a groove of the friction block; the outer side surfaces of the friction blocks are respectively abutted against the left side surface, the right side surface and the rear side surface of the lifting groove.
Preferably, the end face of the bottom of the lifting groove far away from the opening is an arc-shaped face, and the outer side face of the friction block is an arc face in friction fit with the arc-shaped face.
Further, the base includes: the connecting rod comprises a three-joint connecting piece, a first rod piece and a second rod piece; one ends of the first rod piece and the second rod piece are respectively inserted into the first connecting hole and the second connecting hole of the three-joint connecting piece, and the first rod piece and the second rod piece are arranged in the same horizontal plane in an included angle mode; the lower end of the upright post is inserted in the third connecting hole of the three-joint connecting piece.
Furthermore, a connecting chock is inserted into the bottom of the lifting groove, and an internal thread hole is formed in the connecting chock; the bottom of the third connecting hole is provided with a ring platform which is inward convex in the radial direction, the lower end face of the stand column is abutted against the upper end face of the ring platform after the stand column is inserted into the third connecting hole, and the stand column is inserted into and screwed into the internal thread hole from the lower direction of the third connecting hole by using a quick-release screw, so that the stand column is fixed.
Preferably, the upright is a tubular profile formed by an extrusion process.
Furthermore, guide grooves formed by an extrusion process are formed in the left side surface and the right side surface of the lifting groove along the height direction, bearings extending into the guide grooves are arranged on the left side and the right side of the connecting arm, the bearings are axially arranged along the left side and the right side, and the connecting arm is arranged on the stand column in a lifting mode through the bearings.
In the height direction, the bearing is at least provided with two groups at intervals, and each group comprises a pair of bearings which are arranged in bilateral symmetry. The bearing is abutted against the front side face or the rear side face of the guide groove and used for bearing the force of the lifting piece in the front-rear direction, and therefore the limiting of the connecting arm in the front-rear direction is achieved.
Further, a bearing group is arranged above or below the mounting groove, and each bearing group comprises a pair of bearings which are arranged in bilateral symmetry.
Furthermore, the winding end of the constant force spring is arranged in the mounting groove on the connecting arm through a spring seat; the width of the spring seat and the constant force spring in the left-right direction is smaller than that of the opening.
Furthermore, a limiting stopper block is arranged at the top of the lifting groove; the limiting stopper is arranged in the lifting groove and used for limiting the upper part of the connecting arm; after the limiting chock block is inserted into the lifting groove, the limiting chock block is screwed into the screw hole of the limiting chock block from outside to inside along the radial direction by using a screw, and then the limiting chock block is fixed.
Furthermore, the number of the constant force springs is a plurality, and the winding ends of the constant force springs are arranged in an up-and-down manner on the lifting piece; or the constant force spring comprises 2-5 layers of spring pieces which are arranged in a mutual clinging manner.
By adopting the technical scheme, the invention has the following beneficial effects:
the invention has simple structure, the winding end (or the winding drum part) of the constant force spring extends out of the lifting groove of the self-supporting column, and the part of the constant force spring is arranged outside the column body, thereby solving the limitation of the constant force spring on the cross section size of the column body and further solving the development problem of the superfine of the column body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of a display lifting support frame according to an embodiment of the present invention;
FIG. 2 is an exploded view of the monitor lift bracket according to the present invention;
FIG. 3 is a schematic view of a portion of the upper end of a column in an embodiment of the present invention;
FIG. 4 is a perspective view of a constant force spring in an embodiment of the present invention;
FIG. 5 is an exploded view of the connecting arm and the pillar according to the embodiment of the present invention;
FIG. 6 is an exploded view of a connecting arm in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a base in an embodiment of the invention;
FIG. 8 is a side view of a post and connecting arm according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of BB of FIG. 8;
fig. 10 is a cross-sectional view CC of fig. 8.
Reference numerals:
10-a base; 11-a three joint connection; 12-a first bar; 13-a second bar; 14-quick release screw; 20-a column; 21-a lifting groove; 21 a-a guide groove; 22-an opening; 23-connecting the chock; 24-a limit chock; 30-a hinge assembly; 40-constant force spring; 41-winding end; 42-a stretching end; 43-spring seats; 50-a linker arm; 51-a plate body portion; 52-mounting grooves; 53-a slide block; 54-a friction block; 55-bearing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1-2, the present embodiment provides a monitor lifting support frame, which includes a hinge assembly 30, a connecting arm 50, a constant force spring 40, a stand 20, and a base 10, which are sequentially disposed.
The upright post 20 is erected on the base 10; as shown in fig. 3, the column 20 is tubular, and has a vertically extending groove 21 formed therein; the column 20 has an opening 22 at its middle upper portion in the height direction for communicating the inside and outside of the lifting groove 21.
One end of the connecting arm 50 is arranged in the lifting groove 21 in a lifting way, and the other end of the connecting arm 50 extends out of the opening 22 to be connected with the hinge assembly 30; the hinge assembly 30 is coupled to the display for adjusting the tilt angle, the pan angle, and/or the tilt angle of the display about an axis perpendicular to the display's screen. As shown in fig. 4, the constant force spring 40 includes a tension end 42 and a winding end 41; the winding end 41 is rotatably arranged in the mounting groove 52 of the connecting arm 50, and the stretching end 42 extends into the lifting groove 21 to be connected with the upright post 20; as shown in fig. 5, when the connecting arm 50 is at the uppermost end of the elevating stroke (when the winding end 41 is not stretched and spread in the initial state), a part of the winding end 41 protrudes from the opening 22 out of the elevating groove 21; the constant force spring 40, when stretched, tends to force the connecting arm 50 upward, thereby providing a supporting force to support the display. The size of the part, extending out of the lifting groove, of the winding end is determined according to the cross section size of the stand column and the diameter of the winding end, when the extending part of the winding end is small, along with continuous unfolding, the diameter of the winding end is continuously reduced, the extending part is also reduced or even is zero, namely when the connecting arm moves to the lower end, the winding end can be completely positioned in the lifting groove.
According to the invention, the winding end 41 (or the winding drum part) of the constant force spring 40 extends out of the lifting groove 21, so that the limitation of the constant force spring 40 on the cross section size of the upright post 20 is eliminated, the upright post 20 is thinner, and the upright post 20 is longer on the whole, thereby being more in line with the aesthetic requirements of modern people.
In the invention, the direction close to the display is the front, the direction far away from the display is the back, and the left and right hands are respectively the left and right sides when the person looks at the display from the upright post.
As shown in fig. 6 and fig. 8-10, the connecting arm 50 includes a plate body portion 51 extending into the opening 22 and the lifting groove 21, and the plate body portion 51 is provided with a mounting groove 52 for receiving and mounting the winding end 41; the left and right sides of the plate body 51 are arranged below the mounting groove 52 and the corresponding part of the opening 22 is provided with a slide block 53; the slider 53 moves up and down along with the connecting arm 50, and the outer side surfaces of the slider 53 on the left and right sides of the plate body portion 51 abut against the left and right side surfaces of the opening 22, respectively.
When the connecting arm 50 moves up and down, in order to prevent the connecting arm 50 from swinging left and right and the winding end 41 from being scratched against the side surface of the opening 22, the slider 53 is arranged to limit the swinging of the connecting arm 50 in the left and right directions, a set gap is kept between the winding end 41 and the side surface of the opening 22, noise during lifting is reduced, and meanwhile abrasion caused by friction is avoided. In addition, the arrangement of the sliding block 53 increases the friction resistance when the connecting arm 50 is lifted, plays a role of damping, and can realize the follow-up stop of the lifting process of the display by coordinating with the constant force spring 40. More preferably, the sliding block 53 is provided with a guide post, the plate body part is provided with a guide hole matched with the guide post, the guide post is sleeved with a compression spring, and the compression spring is compressed to tend to force the sliding block to be attached to the side surface of the opening, so that the sliding block is prevented from being worn in the long-term use process, and the limiting and guiding functions of the sliding block are weakened. Wherein the slider 53 is preferably a strip-shaped POM block.
The rear end of the plate body part 51 extending into the lifting groove 21 is provided with a friction block 54 made of plastic material, the cross section of the friction block 54 is arranged in a U shape, and the rear end of the plate body part 51 is inserted into a groove of the friction block 54; the outer side surfaces of the friction blocks 54 abut against the left and right side surfaces and the rear side surface of the lifting groove 21, respectively.
Preferably, the end surface of the bottom of the lifting groove 21 far away from the opening 22 is an arc surface, and the outer side surface of the friction block 54 is an arc surface in friction fit with the arc surface.
As shown in fig. 7, the base 10 includes: a triple joint connection 11, a first rod 12 and a second rod 13; one end of the first rod piece 12 and one end of the second rod piece 13 are respectively inserted into the first connecting hole and the second connecting hole of the three-joint connecting piece 11, and the first rod piece 12 and the second rod piece 13 are arranged in the same horizontal plane in an included angle mode; the lower end of the upright post 20 is inserted into the third connecting hole of the three-joint connecting member 11.
A connecting chock 23 is inserted into the bottom of the lifting groove 21, and an internal threaded hole is formed in the connecting chock 23; the bottom of the third connecting hole is provided with a ring platform which is inward convex in the radial direction, the lower end surface of the upright post 20 is abutted against the upper end surface of the ring platform after the upright post 20 is inserted into the third connecting hole, and the quick-release screw 14 is inserted into the screwed-in inner threaded hole from the lower direction of the third connecting hole, so that the upright post 20 is fixed.
Wherein the upright 20 is preferably a tubular profile formed by an extrusion process.
As shown in fig. 3 and fig. 9 to 10, guide grooves 21a formed by an extrusion process are formed in the left and right side surfaces of the lifting groove 21 in the height direction, bearings 55 extending into the guide grooves 21a are formed in the left and right sides of the connecting arm 50, the bearings 55 are axially arranged in the left and right directions, and the connecting arm 50 is arranged on the upright post 20 in a liftable manner through the bearings 55.
In the height direction, the bearings 55 are provided at least in two groups at intervals, and each group includes a pair of bearings 55 arranged bilaterally symmetrically. The bearing 55 is abutted against the front side or the rear side of the guide groove 21a for bearing the force of the lifter in the front-rear direction, thereby realizing the front-rear direction limit of the connecting arm 50. A set of bearings 55 are respectively provided on the upper and lower sides of the mounting groove 52.
The winding end 41 of the constant force spring 40 is arranged in the mounting groove 52 on the connecting arm 50 through the spring seat 43; the spring seat 43 and the constant force spring 40 have widths smaller than the width of the opening 22 in the left-right direction. The top of the lifting groove 21 is provided with a limit chock block 24; the limit stopper 24 is provided in the elevation groove 21 for limiting the upper side of the connection arm 50. The limiting stopper 24 is plugged into the lifting groove and fixed by screws, and a cover body is arranged above the limiting stopper.
The number of the constant force springs 40 can be several, and the winding ends 41 of the constant force springs 40 are arranged up and down on the lifting piece; alternatively, the constant force spring 40 comprises 2-5 layers of spring plates disposed adjacent to each other.
The invention has simple structure, the winding end 41 (or the winding drum part) of the constant force spring 40 extends out of the lifting groove 21 of the self-standing column 20, and part of the winding end is arranged outside the self-standing column, thereby solving the limitation of the constant force spring 40 on the cross section size of the self-standing column 20 and further solving the development difficulty of the superfine of the self-standing column 20.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A display lifting support frame is characterized by comprising a hinge assembly, a connecting arm, a constant force spring, an upright post and a base which are sequentially arranged;
the upright posts are erected on the base;
the upright post is in a tubular shape, and a lifting groove which penetrates through the upright post from top to bottom is formed in the upright post;
the middle upper part of the upright post is provided with an opening communicated with the inside and the outside of the lifting groove along the height direction;
one end of the connecting arm is arranged in the lifting groove in a lifting way, and the other end of the connecting arm extends out of the opening to be connected with the hinge assembly;
the hinge assembly is connected with the display and is used for adjusting the pitching visual angle, the left-right direction swinging visual angle and/or the swinging visual angle around the axis vertical to the screen surface of the display;
the constant force spring comprises a tension end and a winding end;
the winding end is rotatably arranged in the mounting groove of the connecting arm, and the stretching end extends into the lifting groove to be connected with the upright post; when the connecting arm is positioned at the uppermost end of the lifting stroke, a part of the winding end extends out of the lifting groove from the opening;
the constant force spring, when stretched, tends to force the connecting arms upward, thereby providing a supporting force that supports the display.
2. The monitor lifting support frame according to claim 1, wherein the connecting arm comprises a plate body portion extending into the opening and the lifting groove, the plate body portion being provided with a mounting groove for receiving and mounting the winding end; the left side surface and the right side surface of the plate body part are arranged below the mounting groove, and a sliding block is arranged at the corresponding part of the opening; the slider follows the linking arm reciprocates, and the slider lateral surface of plate body portion left and right sides supports respectively and leans on the open-ended left and right sides.
3. The monitor lifting support frame according to claim 2, wherein the rear end of the plate body part extending into the lifting groove is provided with a friction block, the cross section of the friction block is U-shaped, and the rear end of the plate body part is inserted into a groove of the friction block; the outer side surfaces of the friction blocks are respectively abutted against the left side surface, the right side surface and the rear side surface of the lifting groove.
4. The monitor lift support of claim 1, wherein the base comprises: the connecting rod comprises a three-joint connecting piece, a first rod piece and a second rod piece; one ends of the first rod piece and the second rod piece are respectively inserted into the first connecting hole and the second connecting hole of the three-joint connecting piece, and the first rod piece and the second rod piece are arranged in the same horizontal plane in an included angle mode; the lower end of the upright post is inserted in the third connecting hole of the three-joint connecting piece.
5. The monitor lifting support frame according to claim 4, wherein a connection chock is inserted into the bottom of the lifting groove, and an internal thread hole is arranged in the connection chock; the bottom of the third connecting hole is provided with a ring platform which is inward convex in the radial direction, the lower end face of the stand column is abutted against the upper end face of the ring platform after the stand column is inserted into the third connecting hole, and the stand column is inserted into and screwed into the internal thread hole from the lower direction of the third connecting hole by using a quick-release screw, so that the stand column is fixed.
6. The monitor lifting support stand of claim 4, wherein the post is a tubular profile formed by an extrusion process.
7. The monitor lifting support frame according to claim 1, wherein the left and right sides of the lifting groove are provided with guide grooves formed by extrusion process along the height direction, the left and right sides of the connecting arm are provided with bearings extending into the guide grooves, the axial direction of the bearings is arranged along the left and right sides, and the connecting arm is arranged on the upright post through the bearings in a lifting manner.
8. The monitor lift support of claim 7 wherein a bearing set is provided above or below said mounting slot, each bearing set comprising a pair of bearings arranged side-to-side symmetrically.
9. The monitor lifting support stand of claim 1, wherein the coiled end of the constant force spring is disposed in a mounting groove on the connecting arm via a spring seat.
10. The monitor lifting support frame according to claim 1, wherein the top of the lifting groove is provided with a limit stopper; the limiting stopper is arranged in the lifting groove and used for limiting the upper part of the connecting arm; after the limiting chock block is inserted into the lifting groove, the limiting chock block is screwed into the screw hole of the limiting chock block from outside to inside along the radial direction by using a screw, and then the limiting chock block is fixed.
CN202010735704.9A 2020-07-28 2020-07-28 Display lifting support frame Pending CN111779941A (en)

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Application Number Priority Date Filing Date Title
CN202010735704.9A CN111779941A (en) 2020-07-28 2020-07-28 Display lifting support frame

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Application Number Priority Date Filing Date Title
CN202010735704.9A CN111779941A (en) 2020-07-28 2020-07-28 Display lifting support frame

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Publication Number Publication Date
CN111779941A true CN111779941A (en) 2020-10-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944851A (en) * 2021-10-18 2022-01-18 青岛久力材料科技有限公司 Balance expansion piece and balance equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944851A (en) * 2021-10-18 2022-01-18 青岛久力材料科技有限公司 Balance expansion piece and balance equipment
CN113944851B (en) * 2021-10-18 2023-01-24 青岛久力材料科技有限公司 Balance expansion piece and balance equipment

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