阅读说明：本技术 一种液晶电视后盖板与前框的组合固定结构 (Combined fixing structure of rear cover plate and front frame of liquid crystal display television ) 是由 柯永洲 陈升渠 周先胜 郭美敏 李华勇 于 2021-09-04 设计创作，主要内容包括：本发明提供一种液晶电视后盖板与前框的组合固定结构,涉及液晶电视领域。该液晶电视后盖板与前框的组合固定结构,包括前框,所述前框的正面活动连接有后盖板,所述后盖板的正面中部焊接固定有安装板,所述前框的内侧壁中部开设有内侧槽,所述前框的端面并位于内侧槽的左右两侧均开设有内外槽,所述内侧槽的内部滑动连接有主滑杆,所述主滑杆的外表面左右两侧分别转动连接有左外定杆和右外定杆,所述左外定杆和右外定杆远离主滑杆的一端分别设置有紧固装置。该液晶电视后盖板与前框的组合固定结构,通过安装板可将后盖板与外部支架相连接固定,并通过紧固装置可将前框与后盖板快速卡接固定,从而便于分别将其组合连接固定。(The invention provides a combined fixing structure of a rear cover plate and a front frame of a liquid crystal television, and relates to the field of liquid crystal televisions. This combination fixed knot of LCD TV back shroud and preceding frame constructs, including preceding frame, the positive swing joint of preceding frame has the back shroud, the positive middle part welded fastening of back shroud has the mounting panel, the interior side channel has been seted up at the inside wall middle part of preceding frame, the terminal surface of preceding frame and the left and right sides that is located the interior side channel have all been seted up interior outer groove, the inside sliding connection in interior side channel has main slide bar, the surface left and right sides of main slide bar rotates respectively and is connected with left outer fixed rod and right outer fixed rod, the one end that main slide bar was kept away from to left outer fixed rod and right outer fixed rod is provided with fastener respectively. The combined fixing structure of the rear cover plate and the front frame of the liquid crystal television can connect and fix the rear cover plate and an external bracket through the mounting plate, and can quickly clamp and fix the front frame and the rear cover plate through the fastening device, thereby being convenient for respectively combining, connecting and fixing the front frame and the rear cover plate.)

1. The utility model provides a combination fixed knot of LCD TV back shroud and preceding frame constructs, includes preceding frame (1), its characterized in that: the utility model discloses a fixing device for fixing a slide bar, including preceding frame (1), the front swing joint of back shroud (2), the front middle part welded fastening of back shroud (2) has mounting panel (3), interior side groove (4) have been seted up at the inside wall middle part of preceding frame (1), the terminal surface of preceding frame (1) is located the left and right sides in interior side groove (4) and has all seted up interior outer groove (5), the inside sliding connection of interior side groove (4) has main slide bar (6), the surface left and right sides of main slide bar (6) rotates respectively and is connected with outer fixed rod (7) in a left side and outer fixed rod (8) in the right side, the outer fixed rod (7) in a left side and the outer fixed rod (8) in the right side keep away from the one end of main slide bar (6) and be provided with fastener respectively.

2. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 1, wherein: the rear cover plate (2) comprises an outer side groove (201), an inner fixed block (202), a left sliding block (203), a right sliding block (204), a finger sliding groove (205), an upper bent groove (206) and a bent spring (207), wherein the outer side surface of the rear cover plate (2) is formed in the outer side groove (201), the inner fixed block (202) is welded and fixed on the inner wall of the outer side groove (201) in the inner side, the left sliding block (203) and the right sliding block (204) are respectively connected to the left side and the right side of the inner fixed block (202) in a sliding mode, the finger sliding groove (205) is respectively formed in the left end and the right end of the outer side surface of the left sliding block (203) and the outer side of the right sliding block (204), the upper bent groove (206) is respectively formed in the bottom surfaces of the left sliding block (203) and the right sliding block (204), and the bent spring (207) is connected to the inner portion of the upper bent groove (206) in a sliding mode.

3. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 2, wherein: and one ends of the left sliding block (203) and the right sliding block (204) far away from the inner fixed block (202) are respectively connected with the rear cover plate (2) in a sliding manner.

4. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 2, wherein: one end of the bent spring (207) close to the inner fixed block (202) is fixedly welded with the inner wall of the upper bent groove (206).

5. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 1, wherein: the main sliding rod (6) comprises an inner sliding column (601), a side turning groove (602), a side turning block (603), a sliding column groove (604), an inner fixed shaft (605), a left spring (606) and a right spring (607), wherein the inner sliding column (601) is fixedly welded on the bottom surface of the main sliding rod (6), the side turning groove (602) is formed in the outer surface of the inner sliding column (601), the side turning block (603) is respectively and rotatably connected to the left side and the right side of the side turning groove (602), the sliding column groove (604) is formed in the inner sliding column (601), the inner fixed shaft (605) is fixedly welded on the inner bottom surface of the sliding column groove (604), the left spring (606) is slidably connected to the inner bottom surface of the sliding column groove (604), and the right spring (607) is slidably connected to the upper side end surface of the left spring (606).

6. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 5, wherein: the left outer fixed rod (7) and the right outer fixed rod (8) are respectively welded and fixed with the side turning blocks (603) on the two sides.

7. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 5, wherein: the left spring (606) and the right spring (607) are both volute springs and are arranged in opposite directions, and two ends of the left spring and the right spring are respectively welded and fixed with the inner fixed shaft (605) and the side rotating blocks (603) on two sides.

8. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 2, wherein: the fastening device comprises a left locking plate (9), a right locking plate (901), a limiting groove (902), an inner clamping pin (903), a lower bent groove (904), an outer clamping pin (905) and an inner spring rod (906), wherein the left locking plate (9) and the right locking plate (901) are respectively connected with the front frame (1) in a rotating way through a pin shaft, the limiting groove (902) is respectively arranged on the inner side and the outer side surface of the left locking plate (9) and the right locking plate (901), the inner clamping pin (903) is respectively movably clamped with the limiting groove (902) on the inner side and the outer side, the lower bent groove (904) is arranged on the inner wall of the front frame (1) and is positioned on the outer side of the inner and outer groove (5), the outer clamping pin (905) is respectively welded and fixed with the left locking plate (9) and the right locking plate (901), and the outer clamping pins (905) on two sides penetrate through the lower bent groove (904) to be connected with the upper bent groove (206) in a sliding way and are respectively welded and fixed with the left slider (203) and the right slider (204), the inner spring rods (906) are respectively and rotatably connected to two sides of the inner wall of the front frame (1) through pin shafts, and one ends of the outer sides of the inner spring rods are respectively and rotatably connected with the inner clamping pins (903) on the inner sides.

9. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 8, wherein: the left outer fixed rod (7) and the right outer fixed rod (8) are respectively connected with the inner clamping pins (903) on the two sides in a rotating mode.

10. The combination fixing structure of the rear cover plate and the front frame of the liquid crystal television set as claimed in claim 1, wherein: the inner side grooves (4) are respectively W-shaped with the inner and outer grooves (5) on two sides, and the main sliding rod (6) is welded and fixed with the rear cover plate (2).

Technical Field

The invention relates to the field of liquid crystal televisions, in particular to a combined fixing structure of a rear cover plate and a front frame of a liquid crystal television.

Background

The liquid crystal television enters thousands of households due to the advantages of high resolution, high definition, low energy consumption and the like, along with the higher cognition and the higher requirements of people on electronic products, people not only put higher requirements on the performance of the liquid crystal television, but also have more and more rigorous appearance and simplicity and attractiveness of the liquid crystal television, in the prior art, a rear cover plate is fixedly connected with a front frame mostly through a fastening screw, or the rear cover plate is movably clamped with a lug and a groove which are arranged in the front frame, but the assembly operation of the screw fixing mode is complex, the fastening screw is exposed on the rear cover plate, the integral attractiveness of the liquid crystal television is damaged, meanwhile, the lug and the groove are clamped, the appearance is still simple and concise, but the disassembly is difficult, when the disassembly is carried out, the rear cover plate and the front frame need to be respectively pulled outwards from a gap between the rear cover plate and the front frame, so that the rear cover plate and the front frame are easily damaged, therefore, the use is inconvenient no matter the screw is fixedly connected or the lug is movably clamped with the groove.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a combined fixing structure of a rear cover plate and a front frame of a liquid crystal television, which solves the problem that the rear cover plate and the front frame of the liquid crystal television are inconvenient to fixedly connect.

(II) technical scheme

In order to realize the purpose that the rear cover plate and the front frame of the liquid crystal television are convenient to be fixedly connected, the invention is realized by the following technical scheme: the utility model provides a combination fixed knot of LCD TV back shroud and preceding frame constructs, includes preceding frame, the positive swing joint of preceding frame has the back shroud, the positive middle part welded fastening of back shroud has the mounting panel, the interior side channel has been seted up at the inside wall middle part of preceding frame, the terminal surface of preceding frame and the left and right sides that is located the interior side channel have all been seted up inside and outside the groove, the inside sliding connection in interior side channel has main slide bar, the surface left and right sides of main slide bar rotates respectively and is connected with the outer pole of deciding in a left side and the outer pole of deciding in the right side, the outer pole of deciding in a left side and the outer pole of deciding in the right side one end of keeping away from main slide bar is provided with fastener respectively.

Preferably, the rear cover plate comprises an outer side groove, an inner fixed block, a left slider, a right slider, finger sliding grooves, an upper curved groove and a curved spring, the outer side groove is arranged on the outer side surface of the rear cover plate, the inner fixed block is welded and fixed on the inner wall of the outer side groove, the left slider and the right slider are respectively connected with the left side and the right side of the inner fixed block in a sliding manner, the finger sliding grooves are respectively arranged at the left end and the right end of the outer side surface of the left slider and the right slider, the upper curved groove is respectively arranged on the bottom surface of the left slider and the right slider, the curved spring is connected in the upper curved groove in a sliding manner, the inner clamping pins at the inner sides of the two ends are respectively placed in the inner side groove, the front frame and the rear cover plate are respectively pushed to be close to each other inwards, and then the front frame and the rear cover plate can be respectively combined, fingers can be respectively placed in the finger sliding grooves at the two sides, the left slider and the right slider are respectively slid to be close to each other inwards, at the moment, the outer clamping pins can be respectively driven to slide in the upper curved groove and the lower curved groove, and the bent spring is compressed, and the left locking plate and the right locking plate can be driven to rotate and approach each other through the outer clamping pin, so that the outer inner clamping pin can slide in the inner groove and the outer groove subsequently, and the left locking plate and the right locking plate are fixed respectively.

Preferably, one end of the left slider and one end of the right slider, which are far away from the inner fixed block, are respectively connected with the rear cover plate in a sliding manner, when the left slider and the right slider slide left and right, the bent spring can be respectively extended and contracted through the outer clamping pin, so that the left slider and the right slider are respectively connected with the rear cover plate in a sliding manner, the front and back directions of the left slider and the right slider can be limited, and the left slider and the right slider can only slide left and right.

Preferably, one end of the bent spring, which is close to the inner fixed block, is welded and fixed with the inner wall of the upper bent groove, and the outer clamping pin can drive the bent spring to stretch and contract by sliding the left sliding block and the right sliding block, so that when a finger leaves the finger sliding groove, the left sliding block and the right sliding block can be far away from each other by stretching the bent spring, the outer clamping pins on the left side and the right side drive the left locking plate and the right locking plate to be tightly attached to the inner clamping pins on the outer ends of the left side and the right side respectively, and the left locking plate and the right locking plate can be fixed respectively.

Preferably, the main slide bar comprises an inner slide column, a side rotating groove, a side rotating block, a slide column groove, an inner fixed shaft, a left spring and a right spring, the inner slide column is welded and fixed on the bottom surface of the main slide bar, the side rotating groove is formed on the outer surface of the inner slide column, the side rotating block is respectively and rotatably connected with two sides of the side rotating groove, the slide column groove is formed inside the inner slide column, the inner fixed shaft is welded and fixed on the inner bottom surface of the slide column groove, the left spring is slidably connected with the inner bottom surface of the slide column groove, the right spring is slidably connected with the upper side end surface of the left spring, when the front frame and the rear cover plate are close to each other, the left outer fixed rod and the right outer fixed rod can respectively drive the inner clamping pins on the outer side to slide inside the inner side groove, and when the inner clamping pins on two sides slide to the tail end of the inner groove, the inner and outer grooves on two sides can respectively separate the inner clamping pins on two sides and respectively slide with the inner clamping pins, and the inner slide column is slidably connected with the inner groove, and can drive its rotation when the interior bayonet catch in the outside contacts with left locking plate and right locking plate respectively, and can make its joint each other through the spacing groove in the outside, left outer fixed rod and right outer fixed rod pass through the side commentaries on classics piece and rotate respectively with interior sliding column and be connected this moment, and can drive left spring and right spring respectively and stretch or shrink when the side commentaries on classics piece pivoted of both sides, thereby when the front frame is kept away from with the back shroud, through the difference of left spring and right spring restoring to the throne, can make left outer fixed rod and right outer fixed rod drive respectively about both ends more the interior bayonet catch in the outside including the inside slip of outer groove, and be close to each other, thereby be convenient for separate front frame and back shroud fast.

Preferably, the left outer fixed rod and the right outer fixed rod are respectively welded and fixed with the side rotating blocks on two sides, when the inner sliding column slides to the inner side in the inner side groove, the side rotating blocks on two sides can respectively drive the left outer fixed rod and the right outer fixed rod to contract and stretch, so that the left outer fixed rod and the right outer fixed rod can respectively drive the inner clamping pins on the outer sides of the left end and the right end to rotate, and the left locking plate and the right locking plate are fixed respectively.

Preferably, the left spring and the right spring are both volute springs and are arranged in a reverse direction, two ends of the left spring and the right spring are respectively welded and fixed with the inner fixed shaft and the side rotating blocks on two sides, when the left outer fixed rod and the right outer fixed rod rotate towards two sides, the left spring and the right spring can be respectively provided with reverse torque, then when the left sliding block and the right sliding block respectively slide to enable the left sliding block and the right sliding block to be close to each other, the top ends of the left locking plate and the right locking plate can be enabled to be close to each other through the outer clamping pin by the left sliding block and the right sliding block at the moment, the inner clamping pin on the outer side is driven to move to the inside of the inner side groove, the inner clamping pin on the outer side is respectively separated from the left locking plate and the right locking plate at the moment, and when the front frame and the rear cover plate are continuously pulled in a reverse direction, the front frame and the rear cover plate can be quickly separated from the front frame.

Preferably, the fastening device comprises a left locking plate, a right locking plate, a limiting groove, an inner clamping pin, a lower bent groove, an outer clamping pin and an inner spring rod, wherein the left locking plate and the right locking plate are respectively rotatably connected with the front frame through pin shafts, the limiting groove is respectively arranged on the inner side and the outer side surface of the left locking plate and the right locking plate, the inner clamping pin is respectively movably clamped with the limiting groove on the inner side and the outer side, the lower bent groove is arranged on the inner wall of the front frame and positioned on the outer side of the inner and outer grooves, the outer clamping pin is respectively welded and fixed with the left locking plate and the right locking plate, the outer clamping pins on the two sides penetrate through the lower bent groove and are slidably connected with the upper bent groove and are respectively welded and fixed with the left sliding block and the right sliding block, the inner spring rod is respectively rotatably connected with the left side and the right side of the inner wall of the front frame through pin shafts, one end of the outer side of the outer clamping pin is respectively rotatably connected with the inner clamping pin on the left side and the right side of the inner side of the left side and the outer groove, when the left outer fixing rod and the right fixing rod respectively drive the inner clamping pin on the outer side to rotate in the inner side of the inner groove, at this moment, the inner clamping pin through the outer side can respectively drive the left locking plate and the right locking plate to rotate, and the limiting groove through the outer side can be followed the outer side and be limited to left locking plate and right locking plate, and when left locking plate and right locking plate are in the pivoted, the inner spring rod through both sides can make its inner clamping pin that drives the inboard respectively with inboard spacing groove activity joint, thereby can follow more inboard and support left locking plate and right locking plate respectively, prevent it from rotating to the inboard, at this moment, when the back shroud drives the main slide bar and moves to the outside, can make left outer fixed rod and right outer fixed rod unable removal through left locking plate and right locking plate, thereby can be with preceding frame and back shroud connection and fixed.

Preferably, the left outer fixed rod and the right outer fixed rod are respectively rotatably connected with the inner clamping pins on the left side and the right side, when the inner sliding column slides in the inner side groove, the left outer fixed rod and the right outer fixed rod which are convenient to use can respectively drive the inner clamping pins on the two sides to tightly attach to the left locking plate and the right locking plate, and limit the left locking plate and the right locking plate from the inside.

Preferably, the inner side groove is W-shaped with the inner and outer grooves on the left and right sides respectively, the main slide bar is welded and fixed with the rear cover plate, when the front frame is required to be attached to the rear cover plate, the inner side clamping pin can be placed into the inner side groove, the rear cover plate is pushed to drive the inner slide column to slide in the inner side groove, and the inner side clamping pin can be guided to the two sides through the inner and outer grooves respectively, so that the inner side groove can drive the left locking plate and the right locking plate to rotate respectively.

(III) advantageous effects

The invention provides a combined fixing structure of a rear cover plate and a front frame of a liquid crystal display television. The method has the following beneficial effects:

1. this combination fixed knot of LCD TV back shroud and front bezel constructs, through the inside of putting into the inboard groove with inboard inside bayonet catch respectively, and promote front bezel and back shroud respectively to the inboard and make it be close to each other, and then can merge it respectively, can put into the finger spout of the left and right sides respectively this moment, and slide left slider and right slider respectively to the inboard and make it be close to each other, can drive outer bayonet catch and slide at the inside of last curved groove and lower curved groove respectively this moment, and compress the bent spring, can drive left locking plate and right locking plate through outer bayonet catch and rotate this moment, and be close to each other, so that follow-up can make the inside of the inboard outer groove of outside bayonet catch slide and fix left locking plate and right locking plate respectively.

2. This combination fixed knot of LCD TV back shroud and preceding frame constructs, when interior sliding column slides to the inboard in the inside of inboard groove, the side commentaries on classics piece through both sides can drive respectively that the pole is decided to the left side outward and the pole is decided to the right side outward and contract earlier the back and stretch to be convenient for the pole is decided to the left side outward and the pole is decided to the right side outward and drive the interior round pin rotation in the outside respectively, and fixed left locking plate and right locking plate respectively.

3. This LCD TV back shroud and combination fixed knot of preceding frame construct, can have reverse moment of torsion to left spring and right spring respectively when the pole is decided to both sides rotation outside left side and the right side, and then make its back of being close to each other when sliding left slider and right slider respectively, left slider and right slider can make the top of left locking plate and right locking plate be close to each other through outer bayonet lock this moment, left spring and right spring have reverse moment of torsion to reduce this moment, the outside makes its keeping away from each other with the back shroud respectively backward pulling preceding frame simultaneously, the outside one end of the pole is decided to the right side outside and the pole is close to each other this moment, and rotate to the inside in inside groove, when continuing backward pulling preceding frame and back shroud, can be fast with preceding frame and back shroud separation.

4. This LCD TV back shroud and combination fixed knot of preceding frame construct, when the inside in outer groove rotates including the interior joint pin that drives the outside respectively for left outer dead lever and right outer dead lever, can drive left locking plate and right locking plate rotation respectively through the interior joint pin in the outside this moment, and can follow the outside through the spacing groove in the outside and carry on spacingly to left locking plate and right locking plate, and when left locking plate and right locking plate are in the pivoted, can make it drive inboard interior joint pin respectively with inboard spacing groove activity joint through the interior spring beam of the left and right sides, thereby can support left locking plate and right locking plate respectively from the inboard, prevent it to rotate to the inboard side, when the back shroud drives the main slide bar and moves to the outside this moment, can make left outer dead lever and right outer dead lever unable removal through left locking plate and right locking plate, thereby can connect and fix preceding frame and back shroud.

5. This combination fixed knot of LCD TV back shroud and preceding frame constructs, when needs with preceding frame and back shroud laminating, can put into the inside of inside slot with the inside round pin of inboard this moment, promote the back shroud this moment and can drive interior sliding column and slide in the inside of inside slot to can be respectively with interior round pin direction both sides through inside and outside slot, so that it can drive left locking board and right locking board rotation respectively.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the left and right slides of the present invention;

FIG. 3 is a schematic view of a structural upper curved groove of the present invention;

FIG. 4 is a bottom view of the front frame of the present invention;

FIG. 5 is a schematic view of a lower curved groove of the present invention;

FIG. 6 is a schematic view of a strut within the structure of the present invention;

fig. 7 is a schematic view of the left locking plate of the structure of the present invention.

Wherein, 1, a front frame; 2. a rear cover plate; 201. an outer slot; 202. an inner fixed block; 203. a left slider; 204. a right slider; 205. a finger chute; 206. bending the groove upwards; 207. bending a spring; 3. mounting a plate; 4. an inner side groove; 5. an inner and an outer groove; 6. a main slide bar; 601. an inner strut; 602. a side rotary groove; 603. a side turning block; 604. a strut groove; 605. an inner fixed shaft; 606. a left spring; 607. a right spring; 7. a left outer fixed rod; 8. a right outer fixed rod; 9. a left locking plate; 901. a right locking plate; 902. a limiting groove; 903. an inner bayonet lock; 904. downward bending the groove; 905. an outer bayonet lock; 906. an inner spring rod.

Detailed Description

The invention is further described below with reference to the figures and examples.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a combination fixed knot of LCD TV back shroud and preceding frame constructs, including preceding frame 1, the positive swing joint of preceding frame 1 has back shroud 2, the positive middle part welded fastening of back shroud 2 has mounting panel 3, interior side channel 4 has been seted up at the inside wall middle part of preceding frame 1, interior outer groove 5 has all been seted up to the terminal surface of preceding frame 1 and the left and right sides that is located interior side channel 4, the inside sliding connection of interior side channel 4 has main slide bar 6, the surface left and right sides of main slide bar 6 rotates respectively and is connected with outer fixed rod 7 in a left side and outer fixed rod 8 in the right side, the outer fixed rod 7 in a left side and the outer fixed rod 8 in the right side keep away from the one end of main slide bar 6 and are provided with fastener respectively.

In this embodiment, the rear cover plate 2 includes an outer side groove 201, an inner positioning block 202, a left slider 203, a right slider 204, a finger sliding groove 205, an upper curved groove 206 and a curved spring 207, the outer side groove 201 is provided on the outer side surface of the rear cover plate 2, the inner positioning block 202 is welded and fixed on the inner wall of the outer side groove 201, the left slider 203 and the right slider 204 are respectively slidably connected to the left and right sides of the inner positioning block 202, the finger sliding grooves 205 are respectively provided on the left and right ends of the outer side surface of the left slider 203 and the right slider 204, the upper curved groove 206 is respectively provided on the bottom surfaces of the left slider 203 and the right slider 204, and the curved spring 207 is slidably connected to the inside of the upper curved groove 206.

Specifically, the inner locking pins 903 on the inner side are respectively placed in the inner side grooves 4, the front frame 1 and the rear cover plate 2 are respectively pushed inwards to be close to each other, and then the inner locking pins can be respectively combined, fingers can be respectively placed in the finger sliding grooves 205 on the left side and the right side at the moment, the left sliding block 203 and the right sliding block 204 are respectively slid inwards to be close to each other, at the moment, the outer locking pins 905 can be driven to respectively slide in the upper bent groove 206 and the lower bent groove 904, the bent springs 207 can be compressed, at the moment, the left locking plate 9 and the right locking plate 901 can be driven to rotate through the outer locking pins 905 and be close to each other, so that the inner locking pins 903 on the outer side can be subsequently slid in the inner side grooves 5, and the left locking plate 9 and the right locking plate 901 can be fixed respectively.

In this embodiment, the ends of the left slider 203 and the right slider 204 far away from the inner fixed block 202 are respectively connected with the rear cover plate 2 in a sliding manner.

Specifically, when the left slider 203 and the right slider 204 slide left and right, the bent spring 207 can be extended and contracted by the outer locking pin 905, so that the left slider 203 and the right slider 204 can be slidably connected to the rear cover plate 2, and the left slider 203 and the right slider 204 can be limited in the front-rear direction so as to slide left and right.

In this embodiment, one end of the curved spring 207 near the inner fixed block 202 is welded and fixed to the inner wall of the upward curved groove 206.

Specifically, the outer locking pin 905 can drive the bent spring 207 to extend and contract by sliding the left slider 203 and the right slider 204, so that when a finger of a person leaves the finger sliding groove 205, the left slider 203 and the right slider 204 can be separated from each other by extending the bent spring 207, so that the outer locking pin 905 drives the left locking plate 9 and the right locking plate 901 to be respectively attached to the outer inner locking pin 903, and the left locking plate 9 and the right locking plate 901 can be respectively fixed.

In this embodiment, the main slide bar 6 includes an inner slide post 601, a side turning groove 602, a side turning block 603, a slide post groove 604, an inner fixed shaft 605, a left spring 606 and a right spring 607, the inner slide post 601 is welded and fixed on the bottom surface of the main slide bar 6, the side turning groove 602 is formed on the outer surface of the inner slide post 601, the side turning block 603 is respectively and rotatably connected to the left and right sides of the side turning groove 602, the slide post groove 604 is formed inside the inner slide post 601, the inner fixed shaft 605 is welded and fixed on the inner bottom surface of the slide post groove 604, the left spring 606 is slidably connected to the inner bottom surface of the slide post groove 604, and the right spring 607 is slidably connected to the upper end surface of the left spring 606.

Specifically, when the front frame 1 and the rear cover plate 2 approach each other, the left outer fixed rod 7 and the right outer fixed rod 8 can respectively drive the inner locking pin 903 on the outer side to slide in the inner slot 4, and when the inner locking pin 903 slides to the end of the inner slot 4, the inner slot 5 can respectively separate and slide the inner locking pins 903 on the two sides, and the inner sliding column 601 is connected with the inner slot 4 in a sliding manner, and when the inner locking pin 903 on the outer side contacts with the left locking plate 9 and the right locking plate 901 respectively, the inner locking pin can respectively drive the inner locking pin to rotate, and can be locked with each other through the limiting slot 902 on the outer side, and at this time, the left outer fixed rod 7 and the right outer fixed rod 8 are respectively connected with the inner sliding column 601 in a rotating manner through the side rotating block 603, and can respectively drive the left spring 606 and the right spring 607 to extend or contract while the side rotating block 603, so that when the front frame 1 and the rear cover plate 2 are far away from each other, the left spring 606 and the right spring 607 can respectively return, the left outer fixed rod 7 and the right outer fixed rod 8 can respectively drive the inner clamping pin 903 on the outer side to slide in the inner groove 5 and the outer groove 5 and approach each other, so that the front frame 1 and the rear cover plate 2 can be conveniently and rapidly separated.

In this embodiment, the left outer fixed rod 7 and the right outer fixed rod 8 are respectively welded and fixed to the side rotating blocks 603 on both sides.

Specifically, when the inner slide post 601 slides to the inner side in the inner groove 4, the side rotating blocks 603 on both sides can respectively drive the left outer fixed rod 7 and the right outer fixed rod 8 to contract and then stretch, so that the left outer fixed rod 7 and the right outer fixed rod 8 can respectively drive the inner clamping pin 903 on the outer side to rotate, and the left locking plate 9 and the right locking plate 901 are respectively fixed.

In this embodiment, the left spring 606 and the right spring 607 are both volute springs and are disposed in opposite directions, and both ends thereof are welded and fixed to the inner fixed shaft 605 and the side rotating blocks 603 on both sides, respectively.

Specifically, when the left outer fixed rod 7 and the right outer fixed rod 8 rotate towards both sides, the left spring 606 and the right spring 607 can be subjected to reverse torque respectively, and then when the left slider 203 and the right slider 204 slide respectively to be close to each other, the left slider 203 and the right slider 204 can make the top ends of the left locking plate 9 and the right locking plate 901 close to each other through the outer bayonet 905, at this time, the left spring 606 and the right spring 607 have reverse torque to be reduced, and simultaneously, the front frame 1 and the rear cover plate 2 are pulled towards the outside respectively in a reverse direction to be away from each other, at this time, one ends of the outer sides of the left outer fixed rod 7 and the right outer fixed rod 8 are close to each other, and the inner bayonet 903 at the outer side is driven to move to the inside of the inner groove 4, at this time, the inner bayonet 903 at the outer side is separated from the left locking plate 9 and the right locking plate 901 respectively, and when the front frame 1 and the rear cover plate 2 continue to be pulled towards the reverse direction, the front frame 1 and the rear cover plate 2 can be separated from the rear cover plate 2 quickly.

In this embodiment, the fastening device includes a left locking plate 9, a right locking plate 901, a limiting groove 902, an inner latch 903, a lower curved groove 904, an outer latch 905 and an inner spring rod 906, the left locking plate 9 and the right locking plate 901 are respectively rotatably connected with the front frame 1 through pin shafts, the limiting groove 902 is respectively arranged on the inner side and the outer side surface of the left locking plate 9 and the right locking plate 901, the inner latch 903 is respectively movably clamped with the limiting groove 902 on the inner side and the outer side, the lower curved groove 904 is arranged on the inner wall of the front frame 1 and is located on the outer side of the inner and outer grooves 5, the outer latch 905 is respectively welded and fixed with the left locking plate 9 and the right locking plate 901, and the outer pins 905 on both sides penetrate through the lower curved groove 904 to be slidably connected with the upper curved groove 206, and are respectively welded and fixed with the left slider 203 and the right slider 204, the inner spring rods 906 are respectively and rotatably connected with the left side and the right side of the inner wall of the front frame 1 through pin shafts, and one ends of the outer spring rods are respectively and rotatably connected with the inner clamping pins 903 on the inner side.

Specifically, when the left outer fixed rod 7 and the right outer fixed rod 8 respectively drive the outer inner clamping pin 903 to rotate in the inner and outer grooves 5, at this time, the left locking plate 9 and the right locking plate 901 can be respectively driven to rotate by the inner clamping pin 903 on the outer side, and the left locking plate 9 and the right locking plate 901 can be limited from the outside by the limiting groove 902 on the outside, and when the left locking plate 9 and the right locking plate 901 rotate, the inner spring rods 906 on the left side and the right side can drive the inner clamping pins 903 on the inner side to be movably clamped with the limiting grooves 902 on the inner side respectively, so that the left locking plate 9 and the right locking plate 901 can be supported from the inner side respectively to prevent them from rotating towards the inner side, when the rear cover plate 2 drives the main sliding rod 6 to move towards the outer side, the left and right outer fixing bars 7 and 8 are immovable by the left and right locking plates 9 and 901, so that the front frame 1 and the rear cover 2 can be connected and fixed.

In this embodiment, the left outer fixed rod 7 and the right outer fixed rod 8 are rotatably connected to the inner pins 903 on both sides, respectively.

Specifically, when the inner sliding column 601 slides inside the inner slot 4, the left outer fixing rod 7 and the right outer fixing rod 8 can respectively drive the inner fastening pins 903 at two sides to cling to the left locking plate 9 and the right locking plate 901, and limit the positions of the inner fastening pins from the inside.

In this embodiment, the inner slots 4 are respectively W-shaped with the inner and outer slots 5 at both sides, and the main slide bar 6 is welded and fixed with the rear cover plate 2.

Specifically, when the front frame 1 and the rear cover plate 2 need to be attached, the inner clamping pin 903 on the inner side can be placed into the inner side groove 4 at the moment, the rear cover plate 2 is pushed to drive the inner sliding column 601 to slide in the inner side groove 4 at the moment, and the inner clamping pin 903 can be guided to two sides through the inner groove 5 and the outer groove 5 respectively, so that the inner clamping pin 903 can be driven to rotate by the left locking plate 9 and the right locking plate 901 respectively.

The working principle and the using process of the invention are as follows: the inner clamping pins 903 at the inner side are respectively placed in the inner side grooves 4, the front frame 1 and the rear cover plate 2 are respectively pushed inwards to be close to each other, and then the inner clamping pins can be respectively combined, fingers can be respectively placed in the finger sliding grooves 205 at the two sides at the moment, the left sliding block 203 and the right sliding block 204 are respectively slid inwards to be close to each other, the outer clamping pins 905 can be driven to respectively slide in the upper bent groove 206 and the lower bent groove 904, the bent spring 207 is compressed, the left locking plate 9 and the right locking plate 901 can be driven to rotate through the outer clamping pins 905 and be close to each other, so that the inner clamping pins 903 at the left end and the right end at the outer side can be subsequently slid in the inner groove 5 and respectively fix the left locking plate 9 and the right locking plate 901, when the front frame 1 and the rear cover plate 2 are close to each other, the left outer fixed rod 7 and the right outer fixed rod 8 can respectively drive the inner clamping pins 903 at the outer side to slide in the inner groove 4, when the inner pins 903 on both sides slide to the end of the inner slot 4, the inner and outer slots 5 on both sides can separate and slide the inner pins 903 on both sides, and the inner sliding post 601 is connected with the inner slot 4 in a sliding manner, and when the inner pins 903 on both sides contact with the left and right locking plates 9 and 901 respectively, the inner pins can drive them to rotate, and can be clamped with each other through the limiting slot 902 on the outer side, and at this time, the left and right outer fixed rods 7 and 8 are connected with the inner sliding post 601 in a rotating manner through the side rotating block 603, and can drive the left and right springs 606 and 607 to extend or contract respectively while the side rotating block 603 on both sides rotates, so that when the front frame 1 is far away from the rear cover plate 2, the left and right springs 606 and 607 are reset respectively, the left and right outer fixed rods 7 and 8 can drive the inner pins 903 on the outer sides to slide in the inner and outer slots 5 and approach each other, thereby facilitating the fast separation of the front frame 1 from the rear cover plate 2, when the left outer fixed rod 7 and the right outer fixed rod 8 rotate towards both sides, the left spring 606 and the right spring 607 can be respectively provided with reverse torque, and further when the left slider 203 and the right slider 204 slide to approach each other, the left slider 203 and the right slider 204 can make the top ends of the left locking plate 9 and the right locking plate 901 approach each other through the outer bayonet lock 905, at this time, the left spring 606 and the right spring 607 have reverse torque reduced, and simultaneously, the front frame 1 and the rear cover plate 2 are respectively pulled to move away from each other to the outside, at this time, one ends of the outer sides of the left outer fixed rod 7 and the right outer fixed rod 8 approach each other and drive the inner bayonet lock 903 of the outer side to move to the inside of the inner slot 4, at this time, the inner bayonet lock 903 of the outer side is respectively separated from the left locking plate 9 and the right locking plate 901, when the front frame 1 and the rear cover plate 2 continue to be pulled reversely, the front frame 1 and the rear cover plate 2 can be fast separated, when the left outer fixed rod 7 and the right outer fixed rod 8 respectively drive the inner clamping pin 903 at the outer side to rotate in the inner and outer grooves 5, at this time, the left locking plate 9 and the right locking plate 901 can be respectively driven to rotate by the inner clamping pin 903 on the outer side, and the left locking plate 9 and the right locking plate 901 can be limited from the outside by the limiting groove 902 on the outside, and when the left locking plate 9 and the right locking plate 901 rotate, the inner spring rods 906 on the left side and the right side can drive the inner clamping pins 903 on the inner side to be movably clamped with the limiting grooves 902 on the inner side respectively, so that the left locking plate 9 and the right locking plate 901 can be supported from the inner side respectively to prevent them from rotating towards the inner side, when the rear cover plate 2 drives the main sliding rod 6 to move towards the outer side, the left and right outer fixing bars 7 and 8 are immovable by the left and right locking plates 9 and 901, so that the front frame 1 and the rear cover 2 can be connected and fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.