CN215730727U - Foldable display stand - Google Patents

Abstract

The utility model relates to the field of display equipment, and discloses a foldable display bracket, which comprises a first frame, a second frame, a third frame, a positioning notch, a bolt piece, a connecting piece and an operating piece, wherein the first frame is connected with the second frame through the connecting piece; the second frame and the third frame are respectively hinged with one end of the first frame; the positioning notches are arranged on the side walls of the first frame and the second frame; the bolt piece is fixedly connected with one end, close to the hinged part, of the second frame and used for entering and exiting from the positioning notch of the first frame, the connecting piece is fixedly connected with the bolt piece and the operating piece respectively, and the operating piece is arranged at one end, far away from the bolt piece, of the second frame. Through the setting of above-mentioned technical scheme, keep away from the one end of second frame through holding connecting piece and first frame, can control the bolt piece through the connecting piece, realized can fixing the second frame when the second frame is opened in the upset to make the easy operation of deployment show support, practice thrift the deployment time, work efficiency is high.

Description

Foldable display stand

Technical Field

The utility model relates to the field of display equipment, in particular to a foldable display bracket.

Background

In daily life, the exhibition of articles such as poster, warning or warning sign often relies on the show support, carries articles such as poster, warning or warning sign and show support to assigned position, then deploys the show support, installation show article. In many scenarios, a greater number of display stands are required, which places greater demands on the ease of deployment of the display stands.

In the prior art, a frame-type display support is usually connected with a frame through a bolt, and the bolt plays a role in fixing; but in order to guarantee stability when fixed, the bolt is symmetry setting usually, and the bolt is located the below of show support, and the focus of support is located the middle part, both will draw the bolt when deploying the support, will remove the support again, and the operation degree of difficulty is high, consumes time long, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foldable display bracket, which can solve the problems of high operation difficulty, long time consumption and low working efficiency of a frame type display bracket in the prior art.

In order to achieve the above object, the present invention provides a foldable display stand, comprising a first frame, a second frame, a third frame, a positioning slot, a latch member, a connecting member, and an operating member; the second frame and the third frame are respectively hinged with one end of the first frame; the positioning notches are arranged on the side walls of the first frame and the second frame, and when the first frame and the second frame are positioned on the same plane, the positioning notches on the first frame and the second frame are mutually overlapped; the bolt piece is fixedly connected with one end, close to the hinged part, of the second frame and used for entering and exiting from the positioning notch of the first frame, the connecting piece is fixedly connected with the bolt piece and the operating piece respectively, and the operating piece is arranged at one end, far away from the bolt piece, of the second frame and used for controlling the bolt piece to enter and exit from the positioning notch of the first frame through the connecting piece.

Through the arrangement of the technical scheme, the first frame and the third frame are supported as the support legs, the first frame and the second frame are used as the mounting platform for displaying articles, one end of the second frame is far away from the first frame through the connecting piece, the plug piece can be controlled through the connecting piece, the second frame can be fixed while the second frame is opened in a turnover mode, and therefore the operation of deploying the display support is simple, the deployment time is saved, and the work efficiency is high.

Furthermore, the first frame comprises a top connecting plate and two side connecting rods with the same length, one ends of the two side connecting rods are fixedly connected with the two ends of the connecting plate respectively, the third frame is hinged to the side connecting rods, and the second frame is hinged to the top connecting plate.

Further, the first frame, the second frame, and the third frame are composed of hollow tubes having openings, and the third frame can be embedded in the first frame.

Furthermore, the hinge joint of the third frame and the first frame extends to form a positioning part, and the positioning part is of a triangular structure.

Further, the foldable display stand further comprises the linkage hinge, the linkage hinge comprises a first hinge arm and a second hinge arm, the first hinge arm is hinged to the inner wall of the second frame, and the second hinge arm is hinged to the third frame.

Furthermore, the positioning notch is a circular hole, and the bolt piece comprises a fixed seat, a bolt, a baffle and a spring; the fixed seat is fixedly connected with the second frame, the bolt is movably arranged in the fixed seat in a penetrating mode, the bolt is aligned and can enter the positioning notch of the second frame, the baffle is sleeved on the bolt and is fixedly connected with the bolt, and the spring is sleeved on the bolt and is positioned between the baffle and the fixed seat;

the bolt piece and the positioning notch are provided with two groups which are symmetrically arranged.

Further, the connecting piece comprises a fixed pulley assembly and a pull cable; the fixed pulley assembly is positioned between the two bolt pieces and is fixedly connected with the second frame, and the fixed pulley assembly is provided with two pulleys;

the operating piece comprises a fixed column and a first sliding handle; the fixed column is fixedly connected with the second frame, and the first sliding handle is movably sleeved on the fixed column;

one end of the inhaul cable is fixedly connected with the bolt, and the other end of the inhaul cable is fixedly connected with the first sliding handle after being bent through the pulley of the fixed pulley assembly.

Further, the connecting piece comprises a lever, a stay cable, a first fixed pulley and a second fixed pulley; the middle part of the lever is hinged with the second frame, one end of the lever is hinged with the baffle, the first fixed pulley is fixedly connected with the inner wall of the second frame close to the bending part, and the second fixed pulley is fixedly connected with the inner wall of the top part of the second frame;

the connecting pieces are provided with two groups which are symmetrically arranged; a gap is formed between the two fixed pulleys;

the operating piece comprises a through opening and a second sliding handle; the through hole is formed in the second frame and communicated with the gap, the second sliding handle forms a connecting part, a limiting part, a sliding part and a holding part from top to bottom, and the sliding part is movably arranged in the through hole in a penetrating mode;

one end of the inhaul cable is fixedly connected with the other end of the lever, and the other end of the inhaul cable is fixedly connected with the connecting portion after being bent through the first fixed pulley and the second fixed pulley.

Furthermore, the positioning notch comprises a straight notch and a 7-shaped notch, the straight notch is arranged on the second frame, the 7-shaped notch is arranged on the first frame, the upper section of the 7-shaped notch is an arc with the hinged part of the first frame and the second frame as the circle center, and the lower section of the 7-shaped notch is superposed with the straight notch;

the bolt piece comprises a bolt, a spring, a fixing plate, a guide sleeve and a guide rod; the bolt passes the notch, the fixed plate with bolt fixed connection, the both ends of spring respectively with the fixed plate with second frame fixed connection, the uide bushing with fixed plate fixed connection, the guide bar with second frame fixed connection, the uide bushing is movably on the guide bar.

Further, the connecting piece comprises a stay cable, a first fixed pulley and a second fixed pulley; the first fixed pulley is fixedly connected with the inner wall of the second frame close to the bending part, and the second fixed pulley is fixedly connected with the inner wall of the top part of the second frame;

the connecting pieces are provided with two groups which are symmetrically arranged; a gap is formed between the two fixed pulleys;

the operating piece comprises a through opening and a second sliding handle; the through hole is formed in the second frame and communicated with the gap, the second sliding handle forms a connecting part, a limiting part, a sliding part and a holding part from top to bottom, and the sliding part is movably arranged in the through hole in a penetrating mode;

one end of the inhaul cable is fixedly connected with the bolt, and the other end of the inhaul cable is fixedly connected with the connecting part after being bent through the first fixed pulley and the second fixed pulley.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first frame;

FIG. 3 is a schematic structural view of a third frame;

FIG. 4 is a schematic structural view of a linkage hinge;

FIG. 5 is an enlarged view taken at A of FIG. 1;

FIG. 6 is an enlarged view of FIG. 1 at B;

FIG. 7 is a schematic structural view of a second embodiment of the positioning notch, the latch member, the connecting member and the operating member;

FIG. 8 is a schematic view of the second slide handle;

FIG. 9 is a schematic structural view of a third embodiment of the positioning notch, the latch member, the connecting member, and the operating member;

fig. 10 is an enlarged view of fig. 9 at C.

Description of the reference numerals

1 first frame 75 fixing plate

2 second frame 76 guide sleeve

3 third frame 77 guide bar

6 positioning notch 81 fixed pulley assembly

7 bolt piece 82 cable

8 connecting piece 83 lever

9 operating part 84 first fixed pulley

11 top web 85 second fixed pulley

12 side edge connecting rod 91 fixing column

31 positioning part 92 first slide handle

4 linkage hinge 93 second slide handle

41 first hinge arm 931 connecting part

42 second hinge arm 932 limiting part

71 fixed seat 933 sliding part

72 latch 934 gripping portion

73 baffle 62 '7' shaped slot

74 spring 61 straight notch

Detailed Description

The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower", "left, right" are used to generally refer to the orientation in the state of fig. 1. "inner and outer" refer to the inner and outer contours of the respective component itself.

The utility model provides a foldable display bracket, which comprises a first frame 1, a second frame 2, a third frame 3, a positioning notch 6, a bolt piece 7, a connecting piece 8 and an operating piece 9, wherein the first frame is provided with a first positioning notch, the second frame is provided with a second positioning notch, and the third frame is provided with a third positioning notch; the second frame 2 and the third frame 3 are respectively hinged with one end of the first frame 1; the positioning notches 6 are arranged on the side walls of the first frame 1 and the second frame 2, and when the first frame 1 and the second frame 2 are positioned on the same plane, the positioning notches 6 on the first frame 1 and the second frame 2 are mutually overlapped; the latch piece 7 is fixedly connected with one end of the second frame 2 close to the hinged part thereof and is used for entering and exiting the positioning notch 6 of the first frame 1, the connecting piece 8 is respectively and fixedly connected with the latch piece 7 and the operating piece 9, and the operating piece 9 is arranged at one end of the second frame 2 far away from the latch piece 7 and is used for controlling the latch piece 7 to enter and exit the positioning notch 6 of the first frame 1 through the connecting piece 8.

Through the arrangement of the technical scheme, the first frame 1 and the third frame 3 are used as support legs for supporting, the first frame 1 and the second frame 2 are used as mounting platforms for displaying articles, one end of the connecting piece 8 and one end of the first frame 1, far away from the second frame 2, can control the plug piece 7 through the connecting piece 8, and the second frame 2 can be fixed while being opened in a turnover mode, so that the operation of deploying the display support is simple, the deployment time is saved, and the working efficiency is high.

It should be noted that the surfaces of the second frame 2 and the first frame far from the third frame 3 are provided with a plurality of holes, and the holes are used for matching with bolts or ties to fix the display object.

Further, as shown in fig. 2, the first frame 1 includes a top connecting plate 11 and two side connecting rods 12 with the same length, one end of each of the two side connecting rods 12 is fixedly connected to two ends of the connecting plate 11, the third frame 3 is hinged to the side connecting rods 12, and the second frame 2 is hinged to the top connecting plate 11.

As shown in fig. 1, the first frame 1, the second frame 2, and the third frame 3 are made of hollow tubes having openings, the third frame 3 can be inserted into the first frame 1, when folded and stored, the third frame 3 is inserted into the first frame 1, the second frame 2 is parallel to the first frame 1, and when unfolded, the second frame 2 and the third frame 3 move around the same direction; through the setting of this technical scheme, can alleviate the weight of show support, material saving use cost also can conveniently install spare part in second frame 2, in addition, can make the support whole more integrated, small conveniently carries.

As shown in fig. 3, in order to determine the angle at which the third frame 3 can form a fixed angle with the first frame 1 after being opened, it is preferable that a hinge joint of the third frame 3 and the first frame 1 extends to form a positioning portion 31, and the positioning portion 31 has a triangular structure.

In order to further simplify the operation of opening the display stand and facilitate the deployment of the display stand, it is preferable that the foldable display stand further includes the linkage hinge 4, the linkage hinge 4 includes a first hinge arm 41 and a second hinge arm 42, the first hinge arm 41 is hinged to the inner wall of the second frame 2, and the second hinge arm 42 is hinged to the third frame 3, as shown in fig. 4. Through the setting of above-mentioned technical scheme, when upset second frame 2, can open third frame 3 jointly through linkage articulated elements 4. Preferably, the first hinge arm 42 and the second hinge arm 42 have a stop structure, which is a protrusion, and on the same side, when the display stand is fully opened, the protrusions can abut against each other, so that the first hinge arm 42 and the second hinge arm 42 can be supported.

As a first embodiment of the positioning slot 6, the latch member 7, the connecting member 8 and the operating member 9, as shown in fig. 1, 5 and 6, the positioning slot 6 is a circular hole, and the latch member 7 includes a fixing seat 71, a latch 72, a baffle 73 and a spring 74; the fixed seat 71 is fixedly connected with the second frame 2, the bolt 72 is movably arranged in the fixed seat 71 in a penetrating manner, the bolt 72 is aligned and can enter a positioning slot of the second frame 2, the baffle plate 73 is sleeved on the bolt 72 and is fixedly connected with the bolt, and the spring 74 is sleeved on the bolt 72 and is positioned between the baffle plate 73 and the fixed seat 71;

the pin member 7 and the positioning notch 6 have two symmetrically arranged sets.

The connecting piece 8 comprises a fixed pulley component 81 and a pull cable 82; the fixed pulley component 81 is positioned between the two bolt pieces 7 and is fixedly connected with the second frame 2, and the fixed pulley component 81 is provided with two pulleys; it should be noted that the fixed pulley assembly 81 includes two pulleys and a pulley mounting seat, and the pulleys are rotatably connected with the pulley mounting shaft; one pulley corresponds to one cable 82;

the operating piece 9 comprises a fixed column 91 and a first sliding handle 92; the fixed column 91 is fixedly connected with the second frame 2, and the first sliding handle 92 is movably sleeved on the fixed column 91;

one end of the pulling cable 82 is fixedly connected with the bolt 72, and the other end is fixedly connected with the first sliding handle 92 after being bent through the pulley of the fixed pulley component 81.

According to the technical scheme, the second frame 2 is held by a single hand, the first sliding handle 92 is pulled, the inhaul cable 82 is driven to tighten the bolt 72, the spring 74 is compressed, the bolt 72 exits from the positioning notch 6 of the first frame 1, and accordingly the first frame 1 and the second frame 2 can rotate relatively; the pulling cable 82 is loosened, and the latch 72 enters the positioning notch 6 of the first frame 1 under the restoring force of the spring 74, so that the first frame 1 and the second frame 2 are relatively fixed.

As a second embodiment of the positioning notch 6, the latch member 7, the connecting member 8 and the operating member 9, wherein the positioning notch 6 and the latch member 7 are the same as the first embodiment, as shown in fig. 7 and 8, the connecting member 8 includes a lever 83, a cable 82, a first fixed pulley 84 and a second fixed pulley 85; the middle part of the lever 83 is hinged with the second frame 2, one end of the lever 83 is hinged with the baffle 73, the first fixed pulley 84 is fixedly connected with the inner wall of the second frame 2 close to the bending part, and the second fixed pulley 85 is fixedly connected with the inner wall of the top part of the second frame 2; the inner wall of the second frame 2 close to the bent part is the joint of two hollow pipes as shown in fig. 7;

the connecting pieces 8 are provided with two groups which are symmetrically arranged; a gap is formed between the two fixed pulleys 85;

the operating member 9 comprises a through opening, a second sliding handle 93; the through hole is arranged on the second frame 2 and is communicated with the gap, the second sliding handle 93 is provided with a connecting part 931, a limiting part 932, a sliding part 933 and a holding part 934 from top to bottom, and the sliding part 933 is movably arranged in the through hole in a penetrating way;

one end of the cable 82 is fixedly connected to the other end of the lever 83, and the other end of the cable is bent by the first fixed pulley 84 and the second fixed pulley 85 and then fixedly connected to the connecting portion 931.

This embodiment has the same principle as the first embodiment, except that the connecting member in this embodiment is located in the hollow tube of the second frame 2, so that the pulling cable 82 is effectively protected, and the pulling cable 82 is prevented from being broken due to scratching, and the embodiment is more integrated, so that the shape of the display stand is more beautiful.

As a third embodiment of the positioning notch 6, the latch member 7, the connecting member 8, and the operating member 9, as shown in fig. 9 and 10, the positioning notch 6 includes a straight notch 61 and a "7" -shaped notch 62, the straight notch 61 is disposed on the second frame 2, the "7" -shaped notch 62 is disposed on the first frame 1, an upper section of the "7" -shaped notch 62 is an arc shape with a hinge joint of the first frame 1 and the second frame 2 as a center, and a lower section of the "7" -shaped notch 62 coincides with the straight notch 61;

the bolt piece 7 comprises a bolt 72, a spring 74, a fixing plate 75, a guide sleeve 76 and a guide rod 77; the bolt 72 passes through the straight notch 61, the fixing plate 75 is fixedly connected with the bolt 72, two ends of the spring 74 are respectively fixedly connected with the fixing plate 75 and the second frame 2, the guide sleeve 76 is fixedly connected with the fixing plate 75, the guide rod 77 is fixedly connected with the second frame 2, and the guide sleeve 76 can move on the guide rod 77.

Further, the connecting member 8 includes a pulling cable 82, a first fixed pulley 84, and a second fixed pulley 85; the first fixed pulley 84 is fixedly connected with the inner wall of the second frame 2 close to the bending part, and the second fixed pulley 85 is fixedly connected with the inner wall of the top part of the second frame 2;

the connecting pieces 8 are provided with two groups which are symmetrically arranged; a gap formed between the two fixed pulleys 85;

the operating member 9 comprises a through opening, a second sliding handle 93; the through hole is arranged on the second frame 2 and is communicated with the gap, the second sliding handle 93 is provided with a connecting part 931, a limiting part 932, a sliding part 933 and a holding part 934 from top to bottom, and the sliding part 933 is movably arranged in the through hole in a penetrating way;

one end of the cable 82 is fixedly connected to the latch 72, and the other end is bent by the first fixed pulley 84 and the second fixed pulley 85 and then fixedly connected to the connecting portion 931.

Through the arrangement of the technical scheme, a user holds the second frame 2 with one hand and pulls the second sliding handle 93 to drive the inhaul cable 82 to tighten the bolt 72, the spring 74 is stretched, the bolt 72 moves from the lower part to the upper part of the straight notch 61, the second frame 2 is rotated, the bolt 72 moves along the arc-shaped groove of the upper section of the 7-shaped groove 62 and leaves the lower section and the upper section of the 7-shaped groove 62 one by one, and therefore the second frame 2 is folded; when the second frame is opened, the second sliding handle 93 is pulled to drive the pull cable 82 to tighten the bolt 72, the spring 74 is stretched, the bolt 72 moves to the upper part from the lower part of the straight groove opening 61, the second frame 2 is rotated, the bolt 72 moves along the arc-shaped groove of the upper section of the 7-shaped groove, the upper section and the lower section of the 7-shaped groove are entered one by one, then the pull cable 82 is loosened, and under the restoring force of the spring 74, the bolt 72 enters the lower part of the straight groove opening 61, so that the first frame 1 and the second frame 2 are fixed.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (10)

1. A foldable display bracket is characterized by comprising a first frame (1), a second frame (2), a third frame (3), a positioning notch (6), a bolt piece (7), a connecting piece (8) and an operating piece (9); the second frame (2) and the third frame (3) are respectively hinged with one end of the first frame (1); the positioning notches (6) are arranged on the side walls of the first frame (1) and the second frame (2), and when the first frame (1) and the second frame (2) are positioned on the same plane, the positioning notches (6) on the first frame (1) and the second frame (2) are mutually overlapped; the bolt piece (7) is fixedly connected with one end, close to the hinged part, of the second frame (2) and used for entering and exiting the positioning notch (6) of the first frame (1), the connecting piece (8) is fixedly connected with the bolt piece (7) and the operating piece (9) respectively, and the operating piece (9) is arranged at one end, far away from the bolt piece (7), of the second frame (2) and used for controlling the bolt piece (7) to enter and exit the positioning notch (6) of the first frame (1) through the connecting piece (8).

2. The foldable display stand according to claim 1, wherein the first frame (1) comprises a top connecting plate (11) and two side connecting rods (12) with the same length, one end of each of the two side connecting rods (12) is fixedly connected with both ends of the connecting plate (11), the third frame (3) is hinged with the side connecting rods (12), and the second frame (2) is hinged with the top connecting plate (11).

3. The foldable display stand according to claim 2, characterized in that the first frame (1), the second frame (2), the third frame (3) consist of hollow tubes with openings, the third frame (3) being embeddable in the first frame (1).

4. The foldable display stand according to claim 3, wherein the hinge joint of the third frame (3) and the first frame (1) extends to form a positioning part (31), and the positioning part (31) is a triangular structure.

5. The collapsible display stand according to claim 3, further comprising a joint hinge (4), the joint hinge (4) comprising a first hinge arm (41) and a second hinge arm (42), the first hinge arm (41) being hinged to the second hinge arm (42), the first hinge arm (41) being hinged to an inner wall of the second frame (2), the second hinge arm (42) being hinged to the third frame (3).

6. The foldable display stand according to claim 3, wherein the positioning slot (6) is a circular hole, and the latch member (7) comprises a fixing seat (71), a latch (72), a baffle (73) and a spring (74); the fixing seat (71) is fixedly connected with the second frame (2), the bolt (72) is movably arranged in the fixing seat (71) in a penetrating mode, the bolt (72) is aligned to and can enter a positioning notch of the second frame (2), the baffle plate (73) is sleeved on the bolt (72) and is fixedly connected with the bolt, and the spring (74) is sleeved on the bolt (72) and is located between the baffle plate (73) and the fixing seat (71);

the bolt piece (7) and the positioning notch (6) are provided with two groups which are symmetrically arranged.

7. The foldable display stand according to claim 6, characterized in that the connecting member (8) comprises a fixed pulley assembly (81), a pulling cable (82); the fixed pulley component (81) is positioned between the two bolt pieces (7) and is fixedly connected with the second frame (2), and the fixed pulley component (81) is provided with two pulleys;

the operating piece (9) comprises a fixed column (91) and a first sliding handle (92); the fixed column (91) is fixedly connected with the second frame (2), and the first sliding handle (92) is movably sleeved on the fixed column (91);

one end of the inhaul cable (82) is fixedly connected with the bolt (72), and the other end of the inhaul cable is fixedly connected with the first sliding handle (92) after being bent through a pulley of the fixed pulley assembly (81).

8. The foldable display stand according to claim 6, characterized in that the connecting element (8) comprises a lever (83), a pulling cable (82), a first fixed pulley (84), a second fixed pulley (85); the middle part of the lever (83) is hinged with the second frame (2), one end of the lever (83) is hinged with the baffle (73), the first fixed pulley (84) is fixedly connected with the inner wall, close to the bending part, of the second frame (2), and the second fixed pulley (85) is fixedly connected with the inner wall of the top part of the second frame (2);

the connecting pieces (8) are provided with two groups which are symmetrically arranged; a gap is formed between the two fixed pulleys (85);

the operating piece (9) comprises a through opening and a second sliding handle (93); the through hole is formed in the second frame (2) and communicated with the gap, the second sliding handle (93) is provided with a connecting part (931), a limiting part (932), a sliding part (933) and a holding part (934) from top to bottom, and the sliding part (933) is movably arranged in the through hole in a penetrating mode;

one end of the inhaul cable (82) is fixedly connected with the other end of the lever (83), and the other end of the inhaul cable is fixedly connected with the connecting part (931) after being bent through the first fixed pulley (84) and the second fixed pulley (85).

9. The foldable display stand according to claim 3, wherein the positioning notch (6) comprises a straight notch (61) and a 7-shaped notch (62), the straight notch (61) is arranged on the second frame (2), the 7-shaped notch (62) is arranged on the first frame (1), the upper section of the 7-shaped notch (62) is an arc with the hinged part of the first frame (1) and the second frame (2) as a circle center, and the lower section of the 7-shaped notch (62) is overlapped with the straight notch (61);

the bolt piece (7) comprises a bolt (72), a spring (74), a fixing plate (75), a guide sleeve (76) and a guide rod (77); the bolt (72) passes through the straight notch (61), the fixing plate (75) is fixedly connected with the bolt (72), two ends of the spring (74) are respectively fixedly connected with the fixing plate (75) and the second frame (2), the guide sleeve (76) is fixedly connected with the fixing plate (75), the guide rod (77) is fixedly connected with the second frame (2), and the guide sleeve (76) can move on the guide rod (77).

10. The foldable display stand according to claim 9, wherein the connecting member (8) comprises a pulling cable (82), a first fixed pulley (84), a second fixed pulley (85); the first fixed pulley (84) is fixedly connected with the inner wall of the second frame (2) close to the bending part, and the second fixed pulley (85) is fixedly connected with the inner wall of the top part of the second frame (2);

the connecting pieces (8) are provided with two groups which are symmetrically arranged; a gap formed between the two fixed pulleys (85);

the operating piece (9) comprises a through opening and a second sliding handle (93); the through hole is formed in the second frame (2) and communicated with the gap, the second sliding handle (93) is provided with a connecting part (931), a limiting part (932), a sliding part (933) and a holding part (934) from top to bottom, and the sliding part (933) is movably arranged in the through hole in a penetrating mode;

one end of the inhaul cable (82) is fixedly connected with the bolt (72), and the other end of the inhaul cable is fixedly connected with the connecting part (931) after being bent through the first fixed pulley (84) and the second fixed pulley (85).

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