Up-down linkage lock for wind-resistant frame

Abstract

The utility model relates to the technical field of wind-resistant frames, in particular to an up-down linkage lock for a wind-resistant frame, which comprises a positioning rod. An upper positioning pin is telescopically and movably arranged at the top of the positioning rod; a lower positioning pin is telescopically and movably arranged at the bottom of the positioning rod; a trigger seat is arranged in the middle of the positioning rod; the trigger seat is telescopically and movably provided with a pressing handle; and a linkage assembly is arranged among the pressing handle, the upper positioning pin, the lower positioning pin and the trigger seat. According to the utility model, an upper linkage block, a lower linkage block, an upper pull rod and a lower pull rod are arranged, so that a user can control and press a handle by a single hand, namely, a wind-resistant frame can be in an unlocked state, at the moment, the wind-resistant frame can be folded, unfolded or changed in angle conveniently, and the user can use the wind-resistant frame conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wind -resisting frame, concretely relates to a up and down linkage lock for wind -resisting frame. BACKGROUND

[0002] In the field of information dissemination and visual display, LED display screens occupy an extremely important position due to their unique advantages. Large-area LED display screens are generally composed of multiple spliced units and can display various information such as text, images and videos. Due to their bright colors, wide dynamic range, high brightness, long service life and stable and reliable operation, they are widely used in commercial media, cultural performances, sports venues, information publishing, securities trading and many other scenarios, and can meet the display needs in different environments.

[0003] However, in actual application, large-area LED display screens still have some technical problems to be solved. On the one hand, the connection strength between each spliced unit is limited, and the reliability of splicing cannot be guaranteed when facing strong winds and other bad weather, which leads to the risk of display screen loosening and damage, affecting the information display effect and possibly causing safety accidents.

[0004] To solve the splicing reliability problem, the prior art usually sets up a wind -resisting frame during the display screen assembly process to support the spliced units and enhance the overall stability. However, the current wind -resisting frame has obvious defects in structural design, and the folding structure is complex. When installing, disassembling or adjusting the wind -resisting frame, the user needs to use both hands to perform tedious operations, which not only consumes a lot of time and energy, but also puts forward higher requirements for the professional skills and operation proficiency of the installation personnel, which undoubtedly increases the installation and maintenance cost and limits the rapid deployment and flexible application of LED display screens in some scenarios. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the above-mentioned shortage in the prior art and provides a up and down linkage lock for wind -resisting frame.

[0006] The utility model discloses a up and down linkage lock for wind -resisting frame, including the positioning rod, the top telescopic activity of positioning rod is equipped with the upper positioning pin, the bottom telescopic activity of positioning rod is equipped with the lower positioning pin, the middle part of positioning rod is equipped with the trigger seat, the telescopic activity of trigger seat is equipped with the press handle,

[0007] The press handle, upper positioning pin, lower positioning pin and trigger seat are provided with a linkage assembly therebetween;

[0008] The linkage assembly comprises an upper linkage block, a lower linkage block, an upper pull rod and a lower pull rod, the upper linkage block is connected with the upper positioning pin through the upper pull rod, and the lower linkage block is connected with the lower positioning pin through the lower pull rod.

[0009] The upper linkage block is provided with an upper inclined groove and an upper vertical groove; the trigger base is fixedly provided with a first upper fixed shaft and a second upper fixed shaft; the first upper fixed shaft and the second upper fixed shaft are movably arranged in the upper inclined groove; the pressing handle is provided with a third upper fixed shaft; and the third upper fixed shaft is movably arranged in the upper vertical groove.

[0010] The lower linkage block is provided with a lower inclined groove and a lower vertical groove; the trigger base is fixedly provided with a first lower fixed shaft and a second lower fixed shaft; the first lower fixed shaft and the second lower fixed shaft are movably arranged in the lower inclined groove; the pressing handle is provided with a third lower fixed shaft; and the third lower fixed shaft is movably arranged in the lower vertical groove.

[0011] The utility model further sets up, the top of positioning rod is equipped with upper limit seat, upper limit seat is equipped with upper limit groove, upper positioning pin telescopic activity is equipped in upper limit groove.

[0012] The utility model further sets up, upper positioning pin is equipped with upper limit ring, and the bottom between upper limit ring and upper limit groove is equipped with upper limit spring.

[0013] The utility model further sets up, the top of upper limit seat is equipped with upper sliding seat, upper sliding seat is equipped with upper passageway, and upper positioning pin protrudes in upper passageway.

[0014] The utility model further sets up, the bottom of positioning rod is equipped with lower limit seat, lower limit seat is equipped with lower limit groove, and lower positioning pin telescopic activity is equipped in lower limit groove.

[0015] The utility model further sets up, lower positioning pin is equipped with lower limit ring, and the top between lower limit ring and lower limit groove is equipped with lower limit spring.

[0016] The utility model further sets up, the bottom of lower limit seat is equipped with lower sliding seat, lower sliding seat is equipped with lower passageway, and lower positioning pin protrudes in lower passageway.

[0017] The utility model further sets up, and the pressing handle is equipped with fixed pin, and the fixed pin is equipped with positioning block, and the trigger base is equipped with positioning groove, and the positioning block is slidably arranged in the positioning groove.

[0018] The utility model has the advantages that the upper linkage block, the lower linkage block, the upper pull rod and the lower pull rod are arranged, so that the user can control the pressing handle by one hand, that is, the wind-resistant frame can be unlocked, and the wind-resistant frame can be folded, unfolded or the angle thereof can be changed, thereby facilitating the user to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further described with the help of the drawings, but the embodiment in the drawings does not constitute any limitation to the utility model, and other drawings can be obtained by the person skilled in the art without creative labor under the premise of the following drawings.

[0020] Figure 1 It is the structural schematic diagram of the utility model;

[0021] Figure 2 It is the sectional view of the utility model;

[0022] Figure 3 It is Figure 2 The partial close-up view of A part in figure 1;

[0023] Figure 4 It is Figure 2 The partial close-up view of B part in figure 1;

[0024] Figure 5 It is Figure 2 The partial close-up view of C part in figure 1;

[0025] Wherein: 1, positioning rod;2, upper positioning pin;21, upper limit ring;22, upper limit spring;3, lower positioning pin;31, lower limit ring;32, lower limit spring;4, trigger seat;41, first upper fixed shaft;42, second upper fixed shaft;43, first lower fixed shaft;44, second lower fixed shaft;45, positioning groove;

[0026] 5, press handle;51, third upper fixed shaft;52, third lower fixed shaft;53, fixed pin;54, positioning block;61, upper linkage block;62, upper inclined groove;63, upper vertical groove;64, lower linkage block;65, lower inclined groove;66, lower vertical groove;71, upper pull rod;72, lower pull rod;81, upper limit seat;82, upper limit groove;83, lower limit seat;84, lower limit groove;91, upper sliding seat;92, upper channel;93, lower sliding seat;94, lower channel. DETAILED DESCRIPTION

[0027] The utility model is further described with the help of the drawings, but the embodiment in the drawings does not constitute any limitation to the utility model, and other drawings can be obtained by the person skilled in the art without creative labor under the premise of the following drawings.

[0028] From Figures 1 to 5 It can be known that the upper and lower linkage lock for wind-resistant frame of the embodiment comprises a positioning rod 1;The top of the positioning rod 1 is provided with an upper positioning pin 2 in telescopic activity;The bottom of the positioning rod 1 is provided with a lower positioning pin 3 in telescopic activity;The middle part of the positioning rod 1 is provided with a trigger seat 4;The trigger seat 4 is provided with a press handle 5 in telescopic activity;

[0029] The press handle 5, the upper positioning pin 2, the lower positioning pin 3 and the trigger seat 4 are provided with linkage assembly;

[0030] The linkage assembly comprises an upper linkage block 61, a lower linkage block 64, an upper pull rod 71 and a lower pull rod 72; the upper linkage block 61 is connected with the upper positioning pin 2 through the upper pull rod 71; the lower linkage block 64 is connected with the lower positioning pin 3 through the lower pull rod 72;

[0031] The upper linkage block 61 is provided with an upper inclined groove 62 and an upper vertical groove 63; the trigger seat 4 is fixedly provided with a first upper fixed shaft 41 and a second upper fixed shaft 42; the first upper fixed shaft 41 and the second upper fixed shaft 42 are movably arranged in the upper inclined groove 62; the pressing handle 5 is provided with a third upper fixed shaft 51; the third upper fixed shaft 51 is movably arranged in the upper vertical groove 63;

[0032] The lower linkage block 64 is provided with a lower inclined groove 65 and a lower vertical groove 66; the trigger seat 4 is fixedly provided with a first lower fixed shaft 43 and a second lower fixed shaft 44; the first lower fixed shaft 43 and the second lower fixed shaft 44 are movably arranged in the lower inclined groove 65; the pressing handle 5 is provided with a third lower fixed shaft 52; the third lower fixed shaft 52 is movably arranged in the lower vertical groove 66.

[0033] Specifically, when it is needed to fold, unfold or change the angle of the wind-resistant frame, the pressing handle 5 is pressed towards the inside of the trigger seat 4; in the movement process of the pressing handle 5, the first upper fixed shaft 41 and the second upper fixed shaft 42 move in the upper inclined groove 62, and the third upper fixed shaft 51 moves in the upper vertical groove 63; under the cooperation of the first upper fixed shaft 41, the second upper fixed shaft 42, the upper inclined groove 62, the third upper fixed shaft 51 and the upper vertical groove 63, the movement of the upper linkage block 61 is limited, so that the upper linkage block 61 moves downwards and drives the upper positioning pin 2 to retract through the upper pull rod 71; meanwhile, in the movement process of the pressing handle 5, the first lower fixed shaft 43 and the second lower fixed shaft 44 move in the lower inclined groove 65, and the third lower fixed shaft 52 moves in the lower vertical groove 66; under the cooperation of the first lower fixed shaft 43, the second lower fixed shaft 44, the lower inclined groove 65, the third lower fixed shaft 52 and the lower vertical groove 66, the movement of the lower linkage block 64 is limited, so that the lower linkage block 64 moves upwards and drives the lower positioning pin 3 to retract through the lower pull rod 72, so that the wind-resistant frame is in an unlocked state, and it is convenient to fold, unfold or change the angle of the wind-resistant frame.

[0034] The upper linkage block 61, the lower linkage block 64, the upper pull rod 71 and the lower pull rod 72 are arranged, so that the user can control the pressing handle 5 by one hand, that is, the wind-resistant frame can be in an unlocked state, and it is convenient to fold, unfold or change the angle of the wind-resistant frame, which is convenient for the user to use.

[0035] The upper and lower linkage lock for the wind-resistant frame is characterized in that the top of the positioning rod 1 is provided with an upper limiting seat 81; the upper limiting seat 81 is provided with an upper limiting groove 82; and the upper positioning pin 2 is movably arranged in the upper limiting groove 82. Specifically, the upper positioning pin 2 is limited in movement by the above arrangement.

[0036] The upper and lower linkage lock for the wind-resistant frame is characterized in that the upper positioning pin 2 is provided with an upper limiting ring 21; and the bottom of the upper limiting ring 21 and the upper limiting groove 82 are provided with an upper limiting spring 22. When in a natural state, the upper positioning pin 2 protrudes out of the upper limiting groove 82 under the action of the upper limiting spring 22, so as to lock the wind-resistant frame.

[0037] The upper and lower linkage lock for the wind-resistant frame is characterized in that the top of the upper limiting seat 81 is provided with an upper sliding seat 91; the upper sliding seat 91 is provided with an upper channel 92; and the upper positioning pin 2 protrudes into the upper channel 92. The above arrangement facilitates the movement of the positioning rod 1.

[0038] The upper and lower linkage lock for the wind-resistant frame is characterized in that the bottom of the positioning rod 1 is provided with a lower limiting seat 83; the lower limiting seat 83 is provided with a lower limiting groove 84; and the lower positioning pin 3 is movably arranged in the lower limiting groove 84. Specifically, the lower positioning pin 3 is limited in movement by the above arrangement.

[0039] The upper and lower linkage lock for the wind-resistant frame is characterized in that the lower positioning pin 3 is provided with a lower limiting ring 31; and the top of the lower limiting ring 31 and the lower limiting groove 84 are provided with a lower limiting spring 32. When in a natural state, the lower positioning pin 3 protrudes out of the lower limiting groove 84 under the action of the lower limiting spring 32, so as to lock the wind-resistant frame.

[0040] The upper and lower linkage lock for the wind-resistant frame is characterized in that the bottom of the lower limiting seat 83 is provided with a lower sliding seat 93; the lower sliding seat 93 is provided with a lower channel 94; and the lower positioning pin 3 protrudes into the lower channel 94. The above arrangement facilitates the movement of the positioning rod 1.

[0041] The upper and lower linkage lock for the wind-resistant frame is characterized in that the pressing handle 5 is provided with a fixing pin 53; the fixing pin 53 is provided with a positioning block 54; the trigger seat 4 is provided with a positioning groove 45; and the positioning block 54 is slidably arranged in the positioning groove 45. The above arrangement prevents the pressing handle 5 from falling off the trigger seat 4.

[0042] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. A vertical linkage lock for a wind-resistant frame, characterized in that: The utility model relates to a kind of upper and lower linkage locks for wind resistance frame, including positioning rod (1);The top of the positioning rod (1) is provided with upper positioning pin (2) with telescopic activity;The bottom of the positioning rod (1) is provided with lower positioning pin (3) with telescopic activity;The middle part of the positioning rod (1) is provided with trigger seat (4);The trigger seat (4) is provided with press handle (5) with telescopic activity; Linkage assembly is equipped between the press handle (5), upper positioning pin (2), lower positioning pin (3) and trigger seat (4); The linkage assembly includes upper linkage block (61), lower linkage block (64), upper pull rod (71) and lower pull rod (72);The upper linkage block (61) is connected with upper positioning pin (2) by upper pull rod (71);The lower linkage block (64) is connected with lower positioning pin (3) by lower pull rod (72); The upper linkage block (61) is provided with upper inclined groove (62) and upper vertical groove (63);The trigger seat (4) is fixedly provided with first upper fixed shaft (41) and second upper fixed shaft (42);The first upper fixed shaft (41) and the second upper fixed shaft (42) are movably arranged in the upper inclined groove (62);The press handle (5) is provided with third upper fixed shaft (51);The third upper fixed shaft (51) is movably arranged in the upper vertical groove (63); The lower linkage block (64) is provided with lower inclined groove (65) and lower vertical groove (66);The trigger seat (4) is fixedly provided with first lower fixed shaft (43) and second lower fixed shaft (44);The first lower fixed shaft (43) and the second lower fixed shaft (44) are movably arranged in the lower inclined groove (65);The press handle (5) is provided with third lower fixed shaft (52);The third lower fixed shaft (52) is movably arranged in the lower vertical groove (66).

2. The upper and lower linkage lock for wind resistance frame according to claim 1, wherein: The top of the positioning rod (1) is provided with upper limiting seat (81);The upper limiting seat (81) is provided with upper limiting groove (82);The upper positioning pin (2) is movably arranged in the upper limiting groove (82).

3. The upper and lower linkage lock for wind resistance frame according to claim 2, wherein: The upper positioning pin (2) is provided with upper limiting ring (21);The bottom of the upper limiting ring (21) and the upper limiting groove (82) are provided with upper limiting spring (22).

4. The upper and lower linkage lock for wind resistance frame according to claim 3, wherein: The top of the upper limiting seat (81) is provided with upper sliding seat (91);The upper sliding seat (91) is provided with upper channel (92);The upper positioning pin (2) protrudes in the upper channel (92).

5. The upper and lower linkage lock for wind resistance frame according to claim 1, wherein: The bottom of the positioning rod (1) is provided with lower limiting seat (83);The lower limiting seat (83) is provided with lower limiting groove (84);The lower positioning pin (3) is movably arranged in the lower limiting groove (84).

6. The upper and lower linkage lock for wind resistance frame according to claim 5, wherein: The lower positioning pin (3) is provided with a lower limiting ring (31); a lower limiting spring (32) is arranged between the top of the lower limiting ring (31) and a lower limiting groove (84).

7. The up-down linkage lock for the wind-resistant frame according to claim 6, characterized in that: The bottom of the lower limiting seat (83) is provided with a lower sliding seat (93); the lower sliding seat (93) is provided with a lower channel (94) penetrating through; the lower positioning pin (3) protrudes from the lower channel (94).

8. The up-down linkage lock for the wind-resistant frame according to claim 1, characterized in that: The pressing handle (5) is provided with a fixing pin (53); the fixing pin (53) is provided with a positioning block (54); the trigger seat (4) is provided with a positioning groove (45); the positioning block (54) is slidingly arranged in the positioning groove (45).

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