Rear pillow support

Abstract

The utility model relates to a rear pillow support which comprises a fixing rod and an electronic equipment supporting rod. The rear pillow support is simple in structure and comprises a fixing rod and an electronic equipment supporting rod. A first sliding groove and a second sliding groove are formed in the two side faces of a fixing rod correspondingly; a connecting and fixing assembly is arranged in the first sliding groove, and a user can fix the rear pillow support to an external vertical rod through the connecting and fixing assembly. The connecting and fixing assembly slides or is fixed in the first sliding groove in the length direction of the fixing rod. The electronic equipment supporting rod can slide or be fixed on the second sliding groove in the length direction of the fixing rod through mutual cooperation of the first connecting piece and the first adjusting and locking assembly, the connecting and fixing assembly and the electronic equipment supporting rod do not interfere with each other in the sliding process, and the user experience feeling is better.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic setting support frames, and more specifically to a back pillow support. Background Art

[0002] The rear pillow bracket is generally installed between the two support rods of the car headrest and is usually used to support electronic devices such as mobile phones and tablets. It enables rear passengers to use electronic devices more conveniently during driving, such as watching videos, navigating or performing other operations, without the need for handheld devices, thereby increasing driving safety.

[0003] A rear pillow bracket is popular on the market. For example, the document with patent application number CN202222584660.1 discloses an adjustable bracket fixing seat; it includes a support rod; two clamping members are slidably provided on one side of the support rod, and a first connecting member for connecting an electronic device is provided on the other side; one end of the first connecting member is sleeved on the support rod through an adapter; both the adapter and the clamping member can move along the length direction of the support rod; when in use, the rear pillow bracket slides to adjust the spacing between the two clamping members according to the spacing between the two supporting rods of the car headrest, and then the two clamping members are respectively clamped and fixed on the two car supporting rods to achieve the purpose of fixing the rear pillow bracket on the car headrest; and since the adapter is sleeved on the outer surface of the support rod, the movement of the connecting rod along the support rod will interfere with the movement of any clamping member, resulting in a poor user experience. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a back pillow bracket in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a rear pillow bracket, comprising a fixing rod and an electronic equipment support rod, wherein a first slide groove is provided on one side surface of the fixing rod, and a second slide groove is provided on the other side surface; a slidable connecting and fixing component is provided in the first slide groove; a first connecting piece is provided in the second slide groove; the first connecting piece comprises a sliding part slidably arranged on the inner side of the second slide groove, and a connecting part arranged on the outer side of the second slide groove and fixedly connected to the sliding part; the fixing rod is provided with limiting parts on both sides of the second slide groove to prevent the sliding part from escaping outward from the second slide groove; a first adjusting locking component is movably provided on the connecting part to control the sliding or fixed connection of the first connecting piece and the fixing rod; the electronic equipment support rod is connected to the fixing rod through the first adjusting locking component.

[0006] The rear pillow bracket described in the utility model, wherein a guide slide rail is arranged in the second slide groove along its length direction; the guide slide rail divides the second slide groove into two mutually parallel sub-slide grooves.

[0007] The back pillow bracket of the utility model is characterized in that the sliding part is provided with a groove which is adapted to the guide slide rail and is slidably connected thereto.

[0008] The rear pillow bracket described in the utility model, wherein the first adjustment locking assembly includes an adjusting screw that is inserted into the connecting part and kept relatively fixed with the connecting part, and a knob movably arranged on one side of the connecting part; a nut that is threadedly connected with the adjusting screw is fixedly arranged on the knob; a first clamping rod that moves along the length direction of the adjusting screw is movably arranged in the connecting part toward one side of the knob, and a second clamping rod that cooperates and abuts with the end face of the guide slide rail is movably arranged toward one side of the fixed rod; the moving path of the first clamping rod partially overlaps with the moving path of the second clamping rod; in the process of rotating the knob toward the connecting part, the first clamping rod is driven to move toward the direction of the second clamping rod, the first clamping rod abuts against the second clamping rod and drives the second clamping rod to be tightly fixed to the guide slide rail.

[0009] The rear pillow bracket described in the utility model, wherein the first clamping rod and the second clamping rod are perpendicular to each other; the first clamping rod is movably mounted on the adjusting screw or movably arranged on one side of the adjusting screw; one end of the first clamping rod is a first plane that fits with the lower surface of the knob, and the other end is a first inclined surface inclined toward the direction of the second clamping rod; one end of the second clamping rod is a second inclined surface that cooperates with the first inclined surface, and the other end is a second plane that fits with the end face of the guide rail.

[0010] The rear pillow bracket described in the utility model, wherein connecting ears are respectively provided on both sides of one end of the electronic equipment support rod close to the connecting part; an accommodating cavity for accommodating the connecting part is provided between the two connecting ears; and the two connecting ears are rotatably or fixedly connected to the connecting part through the first adjusting locking assembly.

[0011] The rear pillow bracket described in the utility model is characterized in that both of the connecting ears are provided with a through hole for the rod body of the adjusting screw to pass through; among the connecting part and any connecting ear connected thereto, the end face of one of them is provided with a plurality of outwardly protruding positioning protrusions circumferentially around the through hole, and the end face of the other is provided with a plurality of positioning grooves corresponding one-to-one to the plurality of positioning protrusions circumferentially.

[0012] The rear pillow bracket described in the utility model, wherein the electronic device support rod includes a first support rod connected to the connecting part, a second support rod movably connected to the first support rod, and a second adjustment locking assembly connecting the first support rod and the second support rod; the free end of the second support rod is damped and hinged with a second connecting piece that cooperates with the electronic device fixing seat; the second adjustment locking assembly has a locking state and an unlocking state; when the second adjustment locking assembly is in the locking state, the first support rod is fixedly connected to the second support rod; when the second adjustment locking assembly is in the unlocking state, the second support rod can rotate or slide relative to the first support rod.

[0013] The rear pillow bracket described in the utility model, wherein fixed plugs are fixedly provided at both ends of the left and right ends of the fixed rod; the fixed plug is provided with a first blocking portion inserted into the first sliding groove and a second blocking portion inserted into the second sliding groove on the side facing the fixed rod; at least one of the two fixed plugs is provided with a hook.

[0014] In the rear pillow bracket described in the utility model, the hook is rotatably connected to the fixed plug through a damping shaft; and the fixed plug is provided with a receiving groove for receiving the hook.

[0015] The beneficial effects of the utility model are as follows: the rear pillow bracket has a simple structure, comprises a fixing rod and an electronic equipment support rod; a first slide groove and a second slide groove are respectively arranged on two side surfaces of the fixing rod; a connecting and fixing assembly is arranged in the first slide groove, and a user can fix the rear pillow bracket on the external vertical rod through the connecting and fixing assembly; limiting parts are arranged on both sides of the second slide groove on the fixing rod to prevent the sliding part from being disengaged outward from the second slide groove; the two limiting parts embed the sliding part of the first connecting member in the second slide groove, and at the same time provide supporting force for the first connecting member, they can also prevent the sliding part from being disengaged outward from the second slide groove, further enhancing the stability of the connection between the first connecting member and the fixing rod, so that the electronic equipment can be stably placed on the electronic equipment support rod; the connecting and fixing assembly slides or is fixed along the length of the fixing rod in the first slide groove; the electronic equipment support rod can slide or be fixed along the length of the fixing rod on the second slide groove through the cooperation of the first connecting member and the first adjusting and locking assembly, and the connecting and fixing assembly and the electronic equipment support rod will not interfere with each other during the sliding process, and the user experience is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0017] Figure 1 This is a schematic diagram of the structure of a back pillow bracket 100 according to an embodiment of the present utility model. Figure 1 (Usage state diagram of the rear pillow support 100);

[0018] Figure 2 This is a schematic diagram of the structure of a back pillow bracket 100 according to an embodiment of the present utility model. Figure 2 (A diagram showing the storage state of the rear pillow bracket 100);

[0019] Figure 3 yes Figure 1 A perspective exploded view of the middle fixing rod 10;

[0020] Figure 4 yes Figure 1 A schematic diagram of the structure of the connecting and fixing assembly 20;

[0021] Figure 5 yes Figure 4 A perspective exploded view of the connecting and fixing assembly 20;

[0022] Figure 6 yes Figure 1 A schematic structural diagram of the middle rear pillow bracket 100 from another perspective (a diagram of the rear pillow bracket 100 in use);

[0023] Figure 7 yes Figure 6 A schematic structural diagram of the first support rod 31;

[0024] Figure 8 yes Figure 6 A schematic diagram of the structure of AA in the back pillow support 100;

[0025] Fig. 9 yes Figure 1 A schematic structural diagram of the first connecting member 40;

[0026] Fig.10 yes Fig. 9 A cross-sectional view of the first connecting member 40;

[0027] Fig.11 yes Figure 1 FIG. 1 is an assembly cross-sectional view of the electronic connection component 30 and the first connection member 40 being assembled and connected. DETAILED DESCRIPTION

[0028] The terms "first", "second", "third" and "fourth" etc. in the specification and claims of the utility model and the drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0029] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0030] "Multiple" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0031] Moreover, the terms "up, down, front, back, left, right, upper end, lower end, longitudinal" and the like indicating directions are all based on the posture and position of the device or equipment described in this solution during normal use.

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0033] A back pillow bracket of a preferred embodiment of the utility model, please refer to Figure 1 and Figure 2, which respectively show the use state diagram and storage state diagram of the rear pillow bracket 100; the rear pillow bracket 100 in the utility model can be used in combination with electronic devices, so as to fix the electronic devices on the car headrest and free your hands. Electronic devices may include mobile phones, tablet computers, laptop computers and other devices. The rear pillow bracket 100 of the utility model embodiment may include a fixing rod 10, a connecting and fixing assembly 20 slidably connected to the fixing rod 10, an electronic device support rod 30, a first connecting member 40 connecting the fixing rod 10 and the electronic device support rod 30, and a first adjusting locking assembly 50 for controlling the sliding or fixed connection between the first connecting member 40 and the fixing rod 10; the electronic device support rod 30 and the connecting and fixing assembly 20 are respectively located on both sides of the fixing rod 10; the rear pillow bracket 100 can be fixed on the vertical pole of the car headrest through the connecting and fixing assembly 20.

[0034] Fixed rod 10

[0035] See also Figure 3 , shows a three-dimensional exploded view of the fixing rod 10 of the rear pillow bracket 100 in the embodiment of the present application.

[0036] The fixing rod 10 includes a long strip-shaped base plate 11, and the base plate 11 is provided with first side walls 12 extending toward the connecting and fixing component 20 at both side edges thereof facing the connecting and fixing component 20; the free ends of the two first side walls 12 are correspondingly provided with stoppers 13 extending inwardly and parallel to the base plate 11; the base plate 11, the two first side walls 12 and the two stoppers are mutually surrounded to form a first slide groove 14; the first slide groove 14 is tapered from the inside to the outside; the connecting and fixing component 20 can be slidably connected with the first slide groove 14; the inner walls of the two first side walls 12 facing the first slide groove 14 are correspondingly provided with guide ridges 15 protruding outward; the two guide ridges 15 are parallel to the base plate 11;

[0037] The substrate 11 is provided with a second side wall 16 extending toward the electronic device support rod 30 at both side edges facing the electronic device support rod 30; the free ends of the two second side walls 16 are correspondingly provided with a limiting portion 17 extending inward and parallel to the substrate 11; the substrate 11, the two second side walls 16 and the two limiting portions 17 are mutually enclosed to form a second slide groove 18; the first slide groove 14 and the second slide groove 18 are relatively independent; the cross-sectional area of ​​the first slide groove 14 is larger than the cross-sectional area of ​​the second slide groove 18; the second slide groove 18 is tapered from the inside to the outside; the first connecting member 40 is slidably connected to the second slide groove 18. Optionally, the substrate 11 is located in the second slide groove 18 and is further provided with a guide rail 19 arranged along its length direction; the guide rail 19 divides the second slide groove 18 into two mutually parallel sub-slide grooves, and the sliding is more stable; in one embodiment, the cross section of the guide rail 19 is a horizontal T-shaped structure, the end face of its cross bar is parallel to the upper surface plane of the limiting portion 17, and its longitudinal bar is vertically fixedly connected to the substrate 11;

[0038] Optionally, the first slide groove 14 and the second slide groove 18 are respectively located at the front and rear sides of the fixing rod 10, which has a beautiful appearance. When in use, the fixing rod is subjected to force on both sides, and the overall force is more uniform.

[0039] In one embodiment, plugs 111 are fixedly provided at both left and right ends of the fixing rod 10; the plug 111 is provided with a first blocking portion 112 inserted into the first slide groove 14 and a second blocking portion 113 inserted into the second slide groove 18 on the side facing the fixing rod 10; the outer contour of the first blocking portion 111 is adapted to the shape of the first slide groove 14; the outer contour of the second blocking portion 112 is adapted to the shape of the second slide groove 18; the connection is tight; the two ends of the first slide groove 14 and the second slide groove 15 are blocked by the two plugs 111, which can prevent the connection fixing component 20 and the first connecting member 40 from detaching from the left and right ends of the fixing rod respectively.

[0040] Further, such as Figure 1 As shown, in order to facilitate the user to hang a bag or a rope through the rear pillow bracket 100; at least one of the two plugs 111 is provided with a hook 114 on the side facing away from the fixing rod 10, which is a dual purpose, not only can support electronic devices, but also can support items by hanging bags, which is convenient to use and conducive to indoor organization. In one embodiment, the hook 114 is rotatably connected to the plug 111 through a damping shaft; in order to prevent the hook 114 from affecting the movement of the electronic device support rod 30, the plug 111 is provided with a receiving groove 115 for accommodating the hook 114, which is small in size. When the hook 114 is received in the receiving groove 115, the outer surface of the plug 111 is flush with the outer surface of the hook 114, which has a beautiful appearance, does not irritate the hand, and provides a better user experience.

[0041] Connecting and fixing components 20

[0042] See also Figure 4 and Figure 5 As shown, a structural schematic diagram and a three-dimensional exploded diagram of the connection and fixing assembly 20 of the rear pillow bracket 100 in an embodiment of the present application are respectively shown.

[0043] The connecting and fixing assembly 20 includes a movable block 21 slidably connected to the first slide groove 14, a clamping member 22 cooperatively connected to the movable block 21, and a locking member 23 that drives the movable block 21 and the clamping member 22 to clamp and fix each other; a clamping space E for placing a vertical pole is provided between the clamping member 22 and the locking member 23.

[0044] The movable block 21 includes a first component 211 movably arranged inside the first slide groove 14, and a second component 212 extending from the middle of the left and right sides of the first component 211 in a direction away from the second slide groove 18; the two stoppers 13 on the fixed rod 10 are respectively fitted with the upper and lower ends of the first component 211, and prevent the first component 211 from escaping from the first slide groove 14; the outer contour of the first component 211 is adapted to the cross-sectional shape of the first slide groove 14; a positioning hole 213 is provided between the two second components 212 on the side of the first component 211 facing away from the second slide groove 18; the first component 21 The upper and lower sides of the first and second components 1 are respectively provided with guide grooves 214 which are slidably connected with the two guide ridges 15; the first component 211 can slide in the first slide groove 14 along the guide grooves 214; the first component 211 can be prevented from deviating from the preset track of the first slide groove 14, and the positioning performance is good; at least a part of the second component 212 protrudes from the outside of the first slide groove 14; the second component 212 is a long sheet structure, and its cross section is an arc convex outward; the outer surfaces of the two second components 212 are connected to form a circle; the outer surfaces of the two second components 212 away from the first component 211 are provided with external threads.

[0045] The clamping member 22 includes a clamping plate 221 arranged on the outside of the first slide groove 14; the clamping plate 221 is located between the two second components 212; the side surface of the clamping plate 221 facing the first slide groove 14 is provided with a plug-in member 222 that cooperates with the positioning hole 213 for insertion and positioning, and the side surface away from the first slide groove 14 is provided with a mounting groove (not shown in the figure) adapted to the vertical rod of the car headrest.

[0046] The locking member 23 includes a cylindrical fixing block 231; the fixing block 231 is provided with an annular groove 232 for inserting the two second components 212 toward the circumference of the fixing rod 10; the fixing block 231 is detachably connected to the two second components 212, and the fixing block 231 can rotate relative to the two second components 212; the inner side wall of the annular groove 232 is also provided with an internal thread that is threadedly connected to the external thread on the second component 212; the locking member 23, the clamping plate 221 and the two second components 212 cooperate with each other to form a clamping space E with an adjustable internal space, and the clamping space E is used to clamp and fix the vertical rod of the car headrest.

[0047] By rotating the fixing block 231 on the two second components 212 to approach the fixing rod 10, the size of the clamping space can be reduced, and the vertical rod of the car headrest can be clamped and fixed between the locking block 23 and the clamping plate 221, and at the same time, the first component 211 and the clamping plate 221 are driven to cooperate with each other and approach each other until the first component and the clamping plate 221 are clamped and fixed on the two stop parts 13, so that the connection and fixing component 20 and the fixing rod 10 are fixed; conversely, the fixing block 231 is rotated in the opposite direction away from the fixing rod 10, so that the first component 211 and the clamping plate 221 can release the clamping and locking state of the stop part 13, so that the connection and fixing component can slide relative to the fixing rod, which is flexible and reliable to use.

[0048] Optionally, in another embodiment, the connecting and fixing component 20 can also adopt a clamping structure commonly used in the prior art for clamping the vertical pole, and two clamping structures are provided. The clamping mechanism is provided with a slider slidably connected to the first slide groove 14, and the opposite sides of the slider are provided with a card groove that is dampingly connected to the guide convex strip; the user can adjust the distance between the two clamping structures according to the spacing between the two vertical poles on the car headrest, and then fix the fixing rod 10 on the car headrest through the two clamping structures, and the connection is firm and convenient.

[0049] Electronic equipment support rod 30

[0050] See also Figure 6 , showing a structural schematic diagram of the rear pillow bracket 100 from another perspective in the embodiment of the present application; the electronic device support rod 30 can be a support rod with adjustable length, or a support rod with fixed length, all of which belong to the protection scope of the present application;

[0051] In one embodiment, when the electronic device support rod 30 is a support rod with adjustable length, the electronic device support rod 30 includes a first support rod 31 connected to the first connecting member 40, a second support rod 32 movably connected to the first support rod 31, and a second adjustment locking assembly 33 connecting the first support rod 31 and the second support rod 32; the free end of the second support rod 32 is damped and hinged with a second connecting member 34 that matches the electronic device fixing seat;

[0052] Optionally, the first support rod 31 is slidably and telescopically connected to the second support rod 32, and the length is adjustable, so that the user can adjust the length of the electronic device support rod 30 according to actual usage, and the user experience is more convenient.

[0053] like Figure 7As shown, it is a schematic diagram of the structure of the first support rod 31; the first support rod 31 is a hollow long tubular structure, and its end facing the first connecting member 40 is provided with two connecting ears 311 extending toward the first connecting member 40; a accommodating cavity 312 is provided between the two connecting ears 311; the two connecting ears 311 are correspondingly provided with through holes 313 connected to the accommodating cavity; a plurality of positioning grooves 3111 are circumferentially provided on the end surface of the connecting ear 311; the plurality of positioning grooves 3111 are arranged in a circular ring around the through hole 313 as the center.

[0054] like Figure 7 and Figure 8 As shown; a third slide groove 314 is provided in the first support rod 31 along its length direction; a guide channel 315 connected to the third slide groove 314 is also provided on one side of the first support rod 31 along its length direction; further, a guide rail 316 is provided on the inner side wall of the first support rod 31 along the length of the third slide groove 314,

[0055] like Figure 6-8 As shown, the length of the second support rod 32 is less than that of the first support rod 31; the second support rod 32 is slidably connected to the first support rod 31; the second support rod 32 is a long columnar structure, and its outer contour line is adapted to the shape of the third slide groove 314; the second support rod 32 slides in the third slide groove 314; when not in use, the second support rod 32 is stored in the third slide groove 314 in the first support rod 31, with a small size and compact structure. A positioning portion 321 is provided at one end of the second support rod 32 away from the accommodating cavity 312 to prevent the second support rod 32 from completely entering the third slide groove 314. The outer surface of the second support rod 32 is provided with a sliding groove 322 that is slidably connected to the guide rail 316; it can not only achieve the purpose of positioning, but also achieve the function of guiding sliding; the second support rod 32 can be slidably or fixedly connected to the first support rod through a second adjustment locking assembly.

[0056] like Figure 8As shown, the second adjustment locking assembly 33 includes a locking block 331 fixedly arranged on the inner side of the second support rod 32, a threaded screw 332 passing through the first support rod 31 and the second support rod 32, and a locking handle 333 arranged on the outer side of the first support rod 31; the locking block 331 is provided with an internal threaded through hole 334 threadedly connected with the threaded screw; one end of the threaded screw 332 passes through the third sliding groove and the second support rod 32 and is threadedly connected with the internal threaded through hole 334 on the locking block 331, and the other end extends out of the outer side of the first support rod 31 and is fixedly connected with the locking handle 333; the user can lock the first support rod 31 and the second support rod 32 according to the usage situation. For the second support rod 32, it is only necessary to rotate the locking handle 333. Based on the principle of thread locking, the locking block 331 approaches the locking handle 333 along the length direction of the threaded screw 332 until the second support rod 32 is tightly pressed against the first support rod 31, thereby achieving the purpose of locking and fixing the first support rod 31 and the second support rod 32; conversely, by rotating the locking handle 333 in the opposite direction, the locking block 331 moves away from the locking handle 333 along the length direction of the threaded screw 332, the second support rod 32 loses the external pressing force and can slide with the first support rod 31. The user can adjust the overall length of the electronic device support rod 30 according to the usage situation, which is convenient to use.

[0057] The second adjustment locking assembly 33 has a locked state and an unlocked state; when the second adjustment locking assembly 33 is in the locked state, the first support rod 31 is fixedly connected to the second support rod 32; when the second adjustment locking assembly 33 is in the unlocked state, the second support rod 32 can slide relative to the first support rod 31.

[0058] In another embodiment, the first support rod and the second support rod are both cylindrical structures; the second adjustment locking structure can also be a locking ring used to lock the telescopic rod in the prior art, the inner surface of the locking ring is provided with an internal thread, the first support rod 31 is movably sleeved on the second support rod 32, and the outer surface of one end of the first support rod 31 sleeved on the second support rod 32 is provided with a plurality of elastic clips; the outer surface of the elastic clip is provided with an external thread that is threadedly connected with the internal thread of the locking ring; when the elastic clip and the locking ring are threadedly tightened, the first support rod and the second support rod are fixedly locked and connected, conversely, the second support rod can be moved by simply contacting the locking state of the elastic clip and the locking ring, which is convenient to use.

[0059] Optionally, the first support rod 31 and the second support rod 32 can also be connected in a foldable and rotatable manner; when the second locking assembly 33 is in an unlocked state, the second support rod 32 can be rotated relative to the first support rod. When the user unfolds the second support rod 32 outward to a suitable angle according to usage requirements, the first support rod and the second support rod can be locked and fixed through the second adjustment locking assembly; it is worth mentioning that the second adjustment locking assembly can adopt the existing threaded damping locking structure.

[0060] Optionally, the electronic device support rod 30 may also adopt other telescopic rod structures commonly used in the prior art, or adopt a clamping structure for clamping electronic devices in the prior art, which will not be described in detail herein;

[0061] The second connecting member 34 can adopt a clamping structure commonly used in the prior art for clamping electronic equipment, or can adopt a ball joint structure in the prior art for connecting with an electronic equipment mounting shell, which is convenient for connection.

[0062] First connecting member 40

[0063] See also Fig. 9 and Fig.10 As shown, a structural schematic diagram of the first connecting member 40 of the rear pillow bracket 100 and a cross-sectional view of the first connecting member 40 are respectively shown in an embodiment of the present application; the first connecting member 40 includes a sliding portion 41 and a connecting portion 42 fixedly connected to the sliding portion 41; the sliding portion 41 is slidably arranged on the inner side of the second sliding groove 18; the connecting portion 42 is arranged on the outer side of the second sliding groove 18 and is fixedly connected to the sliding portion 41.

[0064] The outer contour of the sliding portion 41 is adapted to the shape of the second slide groove 18. The sliding portion 41 is a plate-like structure parallel to the base plate 11. The contact area between the sliding portion 41 and the fixed rod 10 is larger, and the sliding is more stable. The side surface of the sliding portion 41 facing the connecting portion 42 is a supporting surface D that fits with the inner side walls of the two limiting portions 17 on the fixed rod 10. When the first connecting member 40 is subjected to an external force, the two limiting portions 17 simultaneously apply a supporting force to the sliding portion 41, which can prevent the sliding portion 41 from detaching outward from the second slide groove 18, and the first connecting member 40 is stably connected to the first fixed rod 10. Optionally, the sliding portion 41 is provided with a groove 411 that is adapted to the guide rail 19 and slidably connected thereto. The contact area between the sliding portion 41 and the second slide groove 18 is larger, and the sliding is more stable.

[0065] like Fig. 9 and Fig.10 As shown, the connecting portion 42 is a rectangular block structure, and a positioning channel 421 and a first movable channel 422 connected to the positioning channel 421 are longitudinally arranged in sequence in the connecting portion 42; in one embodiment, the size of the first movable channel 422 is larger than the size of the positioning channel 421; a second movable channel 423 is horizontally arranged on the side of the connecting portion 42 facing the fixing rod 10; one end of the second movable channel 423 is connected to the first movable channel 422, and the other end is connected to the groove 411 on the sliding portion 41; the first movable channel 422 is perpendicular to the second movable channel 423.

[0066] The outer surface of the connecting portion 42 located on one side of the positioning channel 421 is provided with a plurality of positioning protrusions 424 protruding outwards; wherein the plurality of positioning protrusions 424 correspond one-to-one to the plurality of positioning grooves 3111 on the connecting ear 311; and the plurality of positioning protrusions 424 are sequentially arranged around the positioning channel 421 in the circumferential direction.

[0067] When the first connecting member 40 and the electronic device support rod 30 are assembled in place, the connecting portion 42 is inserted into the accommodating cavity 312 between the two connecting ears 311, the two ends of the connecting portion 42 are respectively facing the two connecting ears 311, and the positioning channel 421 and the first movable channel 422 are respectively connected to the through holes 313 on the two connecting ears; the multiple positioning protrusions 424 are matched and positioned with the multiple positioning grooves 3111. During the rotation of the electronic device support rod 30 on the first connecting member 40, the multiple positioning protrusions can be respectively connected with any positioning groove 3111, which is convenient for angle adjustment.

[0068] Optionally, the positioning protrusion 424 can also be arranged on the connecting ear 313, and the positioning groove 3111 is arranged on the connecting portion. The above simple position replacement also falls within the protection scope of the present application.

[0069] First adjustment locking assembly 50

[0070] like Fig.11 As shown, it is an assembly cross-sectional view showing that the electronic connection component 30 is assembled and connected with the first connection member 40 through the first adjustment locking component 50; the first adjustment locking component 50 is movably arranged on the first connection member 40, which can not only control the sliding or fixed connection between the first connection member 40 and the fixing rod 10, but also control the rotation or fixed connection between the two connection ears 311 on the electronic equipment support rod 30 and the connection part 42 on the first connection member 40, which has a simple structure and low cost;

[0071] The first adjustment locking assembly 50 includes an adjustment screw 51 that is inserted into the connecting portion 42 and relatively fixed with the connecting portion 42, and a knob 52 that is movably arranged on one side of the connecting portion 42; a nut 53 that is threadedly connected to the adjustment screw 51 is fixedly arranged on the knob 52; the adjustment screw 51 passes through the positioning channel 421 and the first movable channel 422 and is connected to the nut 53 on the knob 52.

[0072] The first adjustment locking assembly 50 also includes a first clamping rod 54 movably arranged in the first movable channel 422, and a second clamping rod 55 movably arranged in the second movable channel 423; the first clamping rod 54 can slide longitudinally along the first movable channel 422, and the second clamping rod 55 can slide transversely along the second movable channel 423; the first clamping rod 54 and the second clamping rod 55 are perpendicular to each other; the movement path of the first clamping rod 54 and the movement path of the second clamping rod 55 partially overlap; in one embodiment, the first clamping rod 54 is movably sleeved on the adjusting screw 51; optionally, the first clamping rod 54 can also be movably arranged in the adjusting screw One side of the section screw 51; one end of the first clamping member 54 is a first plane that fits with the lower surface of the nut 53 or the knob 52, and the other end is a first inclined surface that is inclined toward the direction of the second clamping rod 55; one end of the second clamping rod 55 is a second inclined surface that cooperates with the first inclined surface, and the other end is a second plane that fits with the end surface of the guide rail 19; in the process of the knob 52 rotating toward the connecting part 42, the first clamping rod 54 is driven to move toward the second clamping rod 55, and the first clamping rod 54 is in contact with the second clamping rod 55 and drives the second clamping rod 55 to be tightly fixed to the guide rail 19.

[0073] When the electronic equipment support rod 30 is assembled with the first connecting member 40 through the first adjusting locking assembly 50, the adjusting screw 51 passes through the through hole 313 on one connecting ear 311, the positioning channel 421, the first movable channel 423, and the through hole 313 on the other connecting ear 311 in sequence, and is threadedly connected with the nut 53 on the knob 52; during use, the knob 52 is rotated to control the nut 53 and the knob 52 to move to a certain extent in the direction of the first movable channel at the same time, and the nut 53 or the knob 52 applies an extruding force to the first abutting member 54, and the first abutting member 54 applies a thrust to the second abutting member 55 to move toward the guide rail 19 and makes the second abutting member 55 tightly abut, thereby achieving the first connecting member 311. The purpose of fixing and locking the electronic device support rod 30 and the fixing rod 10 is achieved; continue to rotate the knob 52 in the same direction so that the nut 53 and the adjusting screw 51 cooperate with each other to clamp and lock the two connecting ears 311 and the connecting part 42, thereby achieving the purpose of fixing and locking the electronic device support rod 30 and the first connecting member 40; on the contrary, rotating the knob 52 in the opposite direction to a certain extent can release the connection state between the electronic device support rod 30 and the connecting part 42, so that the user can rotate the electronic device support rod 30 according to usage requirements, and continuing to rotate the knob 52 in the opposite direction can release the connection state between the first connecting member 40 and the fixing rod 10, which is convenient for the user to adjust the length of the rear pillow bracket according to usage conditions. It is easy to use, flexible and reliable.

[0074] The rear pillow bracket has a simple structure and comprises a fixing rod and an electronic equipment support rod; a first slide groove and a second slide groove are respectively arranged on two side surfaces of the fixing rod; a connecting and fixing assembly is arranged in the first slide groove, and a user can fix the rear pillow bracket on the external vertical rod through the connecting and fixing assembly; limiting parts are arranged on both sides of the second slide groove on the fixing rod to prevent the sliding part from being disengaged outward from the second slide groove; the two limiting parts embed the sliding part of the first connecting member in the second slide groove, and while providing supporting force to the first connecting member, they can also prevent the sliding part from being disengaged outward from the second slide groove, further strengthening the stability of the connection between the first connecting member and the fixing rod, so that the electronic equipment can be stably placed on the electronic equipment support rod; the connecting and fixing assembly slides or is fixed along the length of the fixing rod in the first slide groove; the electronic equipment support rod can slide or be fixed along the length of the fixing rod on the second slide groove through the cooperation of the first connecting member and the first adjustment locking assembly, and the connecting and fixing assembly and the electronic equipment support rod will not interfere with each other during the sliding process, and the user experience is better.

[0075] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A backrest support, comprising a fixing rod and an electronic equipment support rod, characterized in that: A first slide groove is provided on one side surface of the fixed rod, and a second slide groove is provided on the other side surface; a slidable connection and fixing component is provided in the first slide groove; a first connecting piece is provided in the second slide groove; the first connecting piece includes a sliding part slidably arranged on the inner side of the second slide groove, and a connecting part arranged on the outer side of the second slide groove and fixedly connected to the sliding part; the fixed rod is provided with limiting parts on both sides of the second slide groove to prevent the sliding part from escaping outward from the second slide groove; a first adjusting locking component for controlling the sliding or fixed connection between the first connecting piece and the fixed rod is movably provided on the connecting part; the electronic equipment support rod is connected to the fixed rod through the first adjusting locking component.

2. The back pillow support according to claim 1, characterized in that: A guide rail is arranged in the second slide groove along its length direction; the guide rail divides the second slide groove into two sub-slide grooves parallel to each other.

3. The back pillow support according to claim 2, characterized in that: The sliding part is provided with a groove which is adapted to the guide rail and is slidably connected thereto.

4. The back pillow support according to claim 2 or 3, characterized in that: The first adjustment locking assembly includes an adjusting screw that is inserted into the connecting part and kept relatively fixed with the connecting part, and a knob that is movably arranged on one side of the connecting part; a nut that is threadedly connected with the adjusting screw is fixedly arranged on the knob; a first clamping rod that moves along the length direction of the adjusting screw is movably arranged in the connecting part toward one side of the knob, and a second clamping rod that abuts with the end face of the guide slide rail is movably arranged toward one side of the fixed rod; the moving path of the first clamping rod partially overlaps with the moving path of the second clamping rod; in the process of rotating the knob toward the connecting part, the first clamping rod is driven to move toward the direction of the second clamping rod, the first clamping rod abuts against the second clamping rod and drives the second clamping rod to be tightly fixed to the guide slide rail.

5. The back pillow support according to claim 4, characterized in that: The first clamping rod and the second clamping rod are perpendicular to each other; the first clamping rod is movably mounted on the adjusting screw or movably arranged on one side of the adjusting screw; one end of the first clamping rod is a first plane that fits with the lower surface of the knob, and the other end is a first inclined surface inclined toward the direction of the second clamping rod; one end of the second clamping rod is a second inclined surface that cooperates with the first inclined surface, and the other end is a second plane that fits with the end surface of the guide rail.

6. The back pillow support according to claim 4, characterized in that: The electronic equipment support rod is provided with connecting ears on both sides of one end close to the connecting part; a receiving cavity for accommodating the connecting part is provided between the two connecting ears; the two connecting ears are rotatably or fixedly connected to the connecting part through the first adjusting locking assembly.

7. The back pillow support according to claim 6, characterized in that: Both of the connecting ears are provided with a through hole for the rod body of the adjusting screw to pass through; among the connecting part and any connecting ear connected thereto, the end face of one of them is provided with a plurality of outwardly protruding positioning protrusions around the circumference of the through hole, and the end face of the other is provided with a plurality of positioning grooves corresponding one-to-one to the plurality of positioning protrusions.

8. The back pillow support according to any one of claims 1-3 and 5-7, characterized in that: The electronic device support rod includes a first support rod connected to the connecting part, a second support rod movably connected to the first support rod, and a second adjustment locking assembly connecting the first support rod and the second support rod; the free end of the second support rod is damped and hinged with a second connecting piece that cooperates with the electronic device fixing seat; the second adjustment locking assembly has a locking state and an unlocking state; when the second adjustment locking assembly is in the locking state, the first support rod is fixedly connected to the second support rod; when the second adjustment locking assembly is in the unlocking state, the second support rod can rotate or slide relative to the first support rod.

9. The back pillow support according to any one of claims 1-3 and 5-7, characterized in that: The left and right ends of the fixed rod are both fixedly provided with plugs; the side of the plug facing the fixed rod is provided with a first blocking portion inserted into the first slide groove and a second blocking portion inserted into the second slide groove; at least one of the two plugs is provided with a hook.

10. The back pillow support according to claim 9, characterized in that: The hook is rotatably connected to the plug via a damping shaft; and the plug is provided with a receiving groove for receiving the hook.

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