CN215347805U

CN215347805U - Foldable weapon frame

Info

Publication number: CN215347805U
Application number: CN202121519863.1U
Authority: CN
Inventors: 吕方正; 徐凤格
Original assignee: Yongkang Weige Industry And Trade Co ltd
Current assignee: Yongkang Weige Industry And Trade Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-31
Anticipated expiration: 2031-07-05

Abstract

The utility model provides a foldable weapon frame, and belongs to the technical field of commodity shelves. The weapon frame solves the problems that the existing weapon frame is high in transportation cost, not beneficial to storage, not suitable for guns of all specifications, low in applicability and the like. The foldable folding type folding chair comprises an upper support and two lower supports, wherein two support rods are respectively arranged on the left side and the right side of the upper support, the upper ends of the two support rods on the same side are rotatably connected, the lower ends of the two support rods on the same side are rotatably connected with the two lower supports below the two support rods respectively, so that the lower supports rotate around the support rods to respectively realize unfolding, supporting and using or rotary folding and folding, one of the two support rods on the same side is rotatably connected with the upper support, and the other support rod is connected with the upper support through a detachable structure, so that the upper support can realize unfolding, supporting and using or rotary folding and folding through the detachable structure. The utility model has the advantages of convenient use and simple installation, and the lower support rod is pulled to a proper length by pressing the elastic pin, so that the applicability is higher.

Description

Foldable weapon frame

Technical Field

The utility model belongs to the technical field of storage racks and relates to a foldable weapon rack.

Background

In modern weapon equipment, when equipments such as gun accomodate the arrangement in daily life, all need use weapon frame, the gun fixing clip is established and is convenient for manage in the weapon frame. However, most weapon frames used at present are of an integral fixed structure, so that the weapon frames of the structure occupy a large space in the transportation and carrying processes, are high in transportation cost and are not beneficial to storage. Moreover, the length of guns with different models is different, the distance between the gunstock and the gun barrel is also different, and the weapon frame with the fixing structure is not suitable for guns with all specifications and has low applicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the traditional weapon frame and provides a foldable, portable and height-adjustable weapon frame.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a collapsible weapon frame, a serial communication port, including an upper bracket and two lower brackets, the left and right sides of upper bracket is equipped with two bracing pieces respectively, the upper end of two bracing pieces of same one side is rotated and is connected, so that two bracing pieces realize opening to support and use or rotatory folding packing up, the lower extreme of two bracing pieces rotates with two lower brackets of below respectively and is connected, so that the lower bracket rotates around the bracing piece and realizes opening respectively to support and use or rotatory folding packing up, two bracing pieces that are located same one side, one of them bracing piece rotates with the upper bracket to be connected, another bracing piece passes through detachable construction with the upper bracket and is connected, so that the upper bracket realizes opening through this detachable construction and supports and use or rotatory folding packing up.

In foretell foldable weapon frame, the bracing piece include vaulting pole and lower vaulting pole, lower vaulting pole has hollow inner chamber, goes up the vaulting pole and inserts and establish in the inner chamber of vaulting pole down, upward be equipped with height adjusting mechanism in the vaulting pole, realize the position locking or the unblock of vaulting pole and lower vaulting pole to make lower vaulting pole can slide from top to bottom relatively to last vaulting pole.

In foretell foldable weapon frame, height adjustment mechanism include adjustment button, locating pin, the locating pin activity sets up in last vaulting pole, adjustment button elasticity sets up at the top of last vaulting pole, and vertical the opening has a plurality of locating holes corresponding with above-mentioned locating pin on the vaulting pole down, be equipped with a linkage structure between adjustment button and the locating pin, press adjustment button and pass through this linkage structure drive locating pin horizontal translation to make the locating pin insert in above-mentioned locating hole or withdraw from the locating hole, down the vaulting pole along last vaulting pole up-and-down motion, above-mentioned locating pin homoenergetic and locating hole one-to-one.

In the foldable weapon frame, a sliding block is fixedly arranged at the bottom of the upper stay bar, a sliding ring is fixedly arranged at an opening at the upper end of the lower stay bar, the overall dimension of the sliding block is matched with the dimension of an inner cavity of the lower stay bar, and the dimension of the inner cavity of the sliding ring is matched with the overall dimension of the upper stay bar.

In the foldable weapon frame, the sliding block and the sliding ring are made of plastic.

In foretell foldable weapon frame, linkage structure include transfer line, briquetting, shifting block, above-mentioned adjustment button activity sets up in the upper end of transfer line, the fixed lower extreme that sets up at the transfer line of briquetting, the shifting block rotates and sets up on above-mentioned sliding block, and the lower terminal surface elasticity of briquetting supports and leans on one end of shifting block, and the other end activity card of shifting block is established on above-mentioned locating pin, presses adjustment button, through the swing of transfer line drive shifting block to make the shifting block drive the horizontal back and forth movement of locating pin.

In the foldable weapon frame, the lower end of the shifting block is provided with a clamping groove, the outer side wall of the positioning pin is provided with two limiting rings at intervals, and the clamping groove of the shifting block is downwards inserted between the two limiting rings, so that the front side surface and the rear side surface of the shifting block can be respectively blocked by the two limiting rings.

In the foldable weapon frame, a first spring is arranged between the adjusting button and the upper support rod and used for driving the adjusting button to elastically move upwards all the time, and a second spring is arranged between the positioning pin and the sliding block and used for driving the positioning pin to spring out towards the outer direction of the upper support rod all the time.

In the foldable weapon frame, the upper supporting rod is divided into the rod part and the rotating parts, the rotating parts are fixedly arranged at the upper ends of the rod part, the inner side surfaces of the two rotating parts located on the same side are attached to each other, one rotating part is provided with a rotating shaft, the other rotating part is provided with a shaft hole, and the rotating shaft is inserted into the corresponding shaft hole.

In the above foldable weapon frame, a side face opposite to the two rotating parts is provided with a convex block and an arc groove, the arc groove and the rotating shaft are coaxial, the convex block on one rotating part is correspondingly inserted into the arc groove of the other rotating part, and the rotating angle of the convex block on the arc groove corresponds to the unfolding and folding angles of the two supporting rods.

In the above foldable weapon frame, the detachable structure includes a pin and a rotation axis, and two upper support rods located on the same side, the pin is disposed on one of the upper support rods, the rotation axis is disposed on the other upper support rod, one end of the rotation axis passes through the upper support rod and then is rotatably connected with the upper support, an installation hole corresponding to the pin is formed in the upper support, and the pin is movably disposed in the upper support rod and can transversely translate relative to the upper support rod, so that the pin is inserted into the installation hole or withdrawn from the installation hole.

In the foldable weapon frame, a hollow bolt sleeve is further arranged in an upper support rod provided with a bolt, the bolt is arranged in an inner cavity of the bolt sleeve, a third spring is sleeved on the periphery of the bolt, a stopping ring is arranged on the outer side wall of the bolt, one end of the spring is elastically abutted against the bolt sleeve, the other end of the spring is elastically abutted against the stopping ring, a stopping surface is further arranged in the inner cavity of the bolt sleeve, the bolt is pulled to compress the spring so that the bolt is withdrawn from the mounting hole, and the corresponding stopping ring is abutted against the stopping surface.

In the foldable weapon frame, the left side and the right side of the upper end surface of the lower support are respectively provided with two grooves, the two lower support rods are respectively inserted into the corresponding grooves and are rotatably connected with the lower support, and when the lower support rotates upwards around the support rods, the support rods can be embedded into the corresponding grooves.

In the foldable weapon frame, the upper end surface of the lower support is provided with an inwards concave placing groove, the front side surface and the rear side surface of the upper support are respectively provided with a plurality of U-shaped clamping grooves, and the positions of the U-shaped clamping grooves correspond to the positions of the placing grooves. The standing groove is used for placing the stock, and U type draw-in groove is used for placing the barrel.

In the foldable weapon frame, the two lower support rods on the same side are provided with a group of buckles, and when the two lower support rods rotate to the inner side surfaces of the two lower support rods are jointed, the positions of the two lower support rods are locked by the buckles and are not separated.

In the foldable weapon frame, one lower bracket is rotatably provided with a lock catch, the two lower brackets are fixedly provided with a lock nail, the lock catch is provided with a first opening and a second opening, the first opening and the second opening are opposite in direction, the bottom surfaces of the two lower brackets are attached to each other after being accommodated, the lock catch is rotated in the positive and negative directions, the first opening of the lock catch is clamped into the lock nail of one lower bracket, and the second opening of the lock catch is clamped into the lock nail of the other lower bracket.

Compared with the prior art, when the weapon frame is used, the positioning pin is withdrawn from the positioning hole by pressing the adjusting button, the lower supporting rod is pulled, the length of the supporting rod is adjusted, the adjusting button is loosened, the positioning pin is inserted into the positioning hole, and the position of the supporting rod is locked, so that the adjusting mode is simple, and the applicability is higher; when accomodating, upwards rotate the lower carriage around the bracing piece, make in the recess of bracing piece embedding lower carriage, outwards stimulate the bolt, make the upper bracket rotate downwards, turn over two bracing pieces inwards, until the medial surface of two bracing pieces is laminated mutually, detain the hasp of both sides, lock two bracing pieces, lock two lower carriages through the hasp, convenient to use, adjustment mode are simple.

Drawings

Fig. 1 is a schematic view of the deployed weapon stand according to the present invention;

FIG. 2 is a schematic structural view of the upper and lower stay bars of the present invention;

FIG. 3 is a schematic view of the construction of the support pole of the present invention;

FIG. 4 is a cross-sectional view of a support pole of the present invention;

FIG. 5 is a schematic view of the structure of the rotating part of the present invention;

FIG. 6 is a schematic structural view of the linkage structure of the present invention;

FIG. 7 is a schematic structural view of a detachable structure of the present invention;

fig. 8 is a schematic view of the folded weapon frame of the present invention;

fig. 9 is a schematic structural view of the lock catch and the lock pin of the present invention.

In the figure, 1, an upper bracket; 2. a lower bracket; 3. a support bar; 4. an upper stay bar; 5. a lower stay bar; 6. an adjustment button; 7. positioning pins; 8. a slider; 9. a sliding ring; 10. a transmission rod; 11. briquetting; 12. shifting blocks; 13. a card slot; 14. a limiting ring; 15. a first spring; 16. a second spring; 17. a rod portion; 18. a rotating part; 19. a rotating shaft; 20. a bump; 21. an arc-shaped slot; 22. a bolt; 23. a rotating shaft; 24. a plug sleeve; 25. a third spring; 26. a backstop ring; 27. a backstop surface; 28. a groove; 29. a placement groove; 30. A U-shaped clamping groove; 31. a hasp; 32. locking; 33. locking nails; 34. a first opening; 35. A second opening.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the foldable weapon frame according to the present invention comprises an upper frame 1 and two lower frames 2, wherein two support rods 3 are respectively disposed on the left and right sides of the upper frame 1, the upper ends of the two support rods 3 on the same side are rotatably connected to enable the two support rods 3 to be unfolded, supported, used or folded and folded, the lower ends of the two support rods 3 are respectively rotatably connected to the two lower frames 2 below, so that the lower frames 2 rotate around the support rods 3 to be unfolded, supported, used or folded and folded respectively, and the two support rods 3 on the same side, one of the support rods 3 is rotatably connected to the upper frame 1, and the other support rod 3 is connected to the upper frame 1 through a detachable structure, so that the upper frame 1 is unfolded, supported, used or folded and folded through the detachable structure.

As shown in fig. 2 and 3, the support rod 3 includes an upper support rod 4 and a lower support rod 5, the lower support rod 5 has a hollow inner cavity, the upper support rod 4 is inserted into the inner cavity of the lower support rod 5, and a height adjusting mechanism is arranged in the upper support rod 4 to lock or unlock the positions of the upper support rod 4 and the lower support rod 5, so that the lower support rod 5 can slide up and down relative to the upper support rod 4.

As shown in fig. 4, the height adjusting mechanism includes an adjusting button 6 and a positioning pin 7, the positioning pin 7 is movably disposed in the upper stay 4, the adjusting button 6 is elastically disposed at the top of the upper stay 4, the lower stay 5 is vertically provided with a plurality of positioning holes corresponding to the positioning pins 7, a linkage structure is disposed between the adjusting button 6 and the positioning pin 7, the adjusting button 6 is pressed to drive the positioning pin 7 to transversely translate through the linkage structure, so that the positioning pin 7 is inserted into or withdrawn from the positioning holes, and when the lower stay 5 moves up and down along the upper stay 4, the positioning pins 7 can be in one-to-one correspondence with the positioning holes.

The bottom of the upper stay bar 4 is fixedly provided with a sliding block 8, the upper end opening of the lower stay bar 5 is fixedly provided with a sliding ring 9, the overall dimension of the sliding block 8 is matched with the internal dimension of the lower stay bar 5, and the internal dimension of the sliding ring 9 is matched with the overall dimension of the upper stay bar 4. The sliding block 8 and the sliding ring 9 are plastic parts. When the lower support rod 5 is adjusted up and down, the lower support rod 5 and the upper support rod 4 are rubbed by the sliding block 8 and the sliding ring 9, so that the abrasion of the support rod 3 is reduced, the friction force is reduced, and the adjustment is smoother.

Through button adjustment button 6, adjust bracing piece 3 to suitable height, when upwards pulling last vaulting pole 4 to the highest position, the up end of sliding block 8 can support and lean on the lower terminal surface that leans on at sliding ring 9, prevents to go up vaulting pole 4 and pulls out from the inner chamber of lower vaulting pole 5.

As shown in fig. 6, the linkage structure includes a transmission rod 10, a pressing block 11, and a shifting block 12, the adjusting button 6 is movably disposed at the upper end of the transmission rod 10, the pressing block 11 is fixedly disposed at the lower end of the transmission rod 10, the shifting block 12 is rotatably disposed on the sliding block 8, the lower end surface of the pressing block 11 elastically abuts against one end of the shifting block 12, the other end of the shifting block 12 is movably clamped on the positioning pin 7, the adjusting button 6 is pressed, and the shifting block 12 is driven to swing through the transmission rod 10, so that the shifting block 12 drives the positioning pin 7 to move back and forth transversely. The lower end of the shifting block 12 is provided with a clamping groove 13, the outer side wall of the positioning pin 7 is provided with two limiting rings 14 at intervals, and the clamping groove 13 of the shifting block 12 is downwards inserted between the two limiting rings 14, so that the front side surface and the rear side surface of the shifting block 12 can be respectively blocked by the two limiting rings 14. A first spring 15 is arranged between the adjusting button 6 and the upper support rod 4 and used for driving the adjusting button 6 to elastically move upwards all the time, and a second spring 16 is arranged between the positioning pin 7 and the sliding block 8 and used for driving the positioning pin 7 to pop up towards the outer direction of the upper support rod 4 all the time.

As shown in fig. 5, the upper stay 4 is divided into a rod portion 17 and a rotating portion 18, the rotating portion 18 is fixedly disposed at the upper end of the rod portion 17, inner side surfaces of two rotating portions 18 located on the same side are attached to each other, one of the rotating portions 18 is provided with a rotating shaft 19, the other rotating portion 18 is provided with a shaft hole, and the rotating shaft 19 is inserted into the corresponding shaft hole. The opposite side surfaces of the two rotating parts 18 are respectively provided with a convex block 20 and an arc-shaped groove 21, the arc-shaped grooves 21 and the rotating shaft 19 are coaxial, the convex block 20 on one rotating part 18 is correspondingly inserted into the arc-shaped groove 21 of the other rotating part 18, and the rotating angle of the convex block 20 in the arc-shaped groove 21 corresponds to the unfolding and folding angles of the two supporting rods 3.

As shown in fig. 7, the detachable structure includes a plug 22 and a rotating shaft 23, two upper support rods 4 located on the same side, the plug 22 is disposed on one of the upper support rods 4, the rotating shaft 23 is disposed on the other upper support rod 4, one end of the rotating shaft 23 passes through the upper support rod 4 and then is rotatably connected to the upper bracket 1, a mounting hole corresponding to the plug 22 is formed in the upper bracket 1, and the plug 22 is movably disposed in the upper support rod 4 and can transversely translate relative to the upper support rod 4, so that the plug 22 is inserted into or withdrawn from the mounting hole.

A hollow bolt sleeve 24 is further arranged in the upper supporting rod 4 provided with the bolt 22, the bolt 22 is arranged in an inner cavity of the bolt sleeve 24, a third spring 25 is sleeved on the periphery of the bolt 22, a stopping ring 26 is arranged on the outer side wall of the bolt 22, one end of the spring is elastically abutted against the bolt sleeve 24, the other end of the spring is elastically abutted against the stopping ring 26, a stopping surface 27 is further arranged in the inner cavity of the bolt sleeve 24, the bolt 22 is pulled to compress the spring, so that the bolt 22 is withdrawn from the mounting hole, and the corresponding stopping ring 26 is abutted against the stopping surface 27.

As shown in fig. 9, one of the lower frames 2 is provided with a lock catch 32 in a rotating manner, two lower frames 2 are respectively provided with a lock nail 33 in a fixed manner, the lock catch 32 is provided with a first opening 34 and a second opening 35, the first opening 34 and the second opening 35 are opposite in orientation, the bottom surfaces of the two lower frames 2 are attached to each other after being stored, the lock catch 32 is rotated in the forward and reverse directions, the first opening 34 corresponding to the lock catch 32 is clamped into the lock nail 33 of one of the lower frames 2, and the second opening 35 is clamped into the lock nail 33 of the other lower frame 2.

Two grooves 28 are respectively arranged on the left side and the right side of the upper end face of the lower support 2, the two lower support rods 5 are respectively inserted into the corresponding grooves 28 to be connected with the lower support 2 in a rotating mode, and when the lower support 2 rotates upwards around the support rod 3, the support rod 3 can be embedded into the corresponding grooves 28. A group of hasps 31 are arranged on the two lower support rods 5 on the same side, and when the two lower support rods 5 rotate to the inner side surfaces of the two lower support rods 5 are jointed, the positions of the two lower support rods 5 are locked by the hasps 31 and are not separated.

The upper end surface of the lower bracket 2 is provided with a concave placing groove 29, the front side surface and the rear side surface of the upper bracket 1 are respectively provided with a plurality of U-shaped clamping grooves 3013, and the positions of the U-shaped clamping grooves 3013 correspond to the positions of the placing groove 29. The placing groove 29 is used for placing a gun stock, and the U-shaped clamping groove 3013 is used for placing a gun barrel.

The working principle of the utility model is as follows:

adjusting the length of the support rod 3: the adjusting button 6 is pressed downwards to drive the transmission rod 10 to be pressed downwards, the pressing block 11 drives the shifting block 12 to rotate downwards, the shifting block 12 drives the positioning pin 7 to withdraw from the positioning hole, the lower support rod 5 is pulled up and down to be adjusted to a proper position, the adjusting button 6 is loosened, the first spring 15 drives the adjusting button 6 to reset, the second spring 16 drives the positioning pin 7 to reset, the positioning pin 7 is inserted into the positioning hole, and the position of the support rod 3 is locked.

And (3) storage of the weapon frame: as shown in fig. 8, in the folded weapon frame, the lower frame 2 is rotated upward around the support rods 3, so that the support rods 3 are embedded into the grooves 28 of the lower frame 2, the latch 22 is pulled outward, the upper frame 1 is rotated downward, the two support rods 3 are turned inward until the inner side surfaces of the two support rods 3 are attached to each other, the hasps 31 on both sides are buckled, the two support rods 3 are locked, and the two lower frames 2 are locked through the hasps 32.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended sense, i.e., in a sense equivalent to "including at least … …", and not in a closed sense, i.e., in a sense not to be interpreted as "including only … …".

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A foldable weapon frame is characterized by comprising an upper bracket (1) and two lower brackets (2), the left side and the right side of the upper bracket (1) are respectively provided with two supporting rods (3), the upper ends of the two supporting rods (3) on the same side are rotatably connected, so that the two support rods (3) can be unfolded for supporting or folded in a rotating way, the lower ends of the two support rods (3) are respectively connected with the two lower brackets (2) below in a rotating way, so that the lower bracket (2) rotates around the supporting rods (3) to respectively realize the opening, the supporting and the use or the rotary folding and the folding, the two supporting rods (3) are positioned at the same side, one supporting rod (3) is rotationally connected with the upper bracket (1), the other supporting rod (3) is connected with the upper bracket (1) through a detachable structure, so that the upper bracket (1) can be unfolded, supported and used or can be folded and folded in a rotating way through the detachable structure.

2. The foldable weapon frame according to claim 1, wherein the support rod (3) comprises an upper support rod (4) and a lower support rod (5), the lower support rod (5) has a hollow inner cavity, the upper support rod (4) is inserted into the inner cavity of the lower support rod (5), and a height adjusting mechanism is arranged in the upper support rod (4) to lock or unlock the positions of the upper support rod (4) and the lower support rod (5), so that the lower support rod (5) can slide up and down relative to the upper support rod (4).

3. The foldable weapon frame according to claim 2, wherein the height adjusting mechanism comprises an adjusting button (6) and a positioning pin (7), the positioning pin (7) is movably arranged in the upper stay (4), the adjusting button (6) is elastically arranged at the top of the upper stay (4), a plurality of positioning holes corresponding to the positioning pin (7) are vertically formed in the lower stay (5), a linkage structure is arranged between the adjusting button (6) and the positioning pin (7), the positioning pin (7) is driven to transversely translate by pressing the adjusting button (6) through the linkage structure, so that the positioning pin (7) is inserted into or withdrawn from the positioning holes, and the positioning pin (7) can be in one-to-one correspondence with the positioning holes when the lower stay (5) moves up and down along the upper stay (4).

4. A foldable weapon frame according to claim 3, characterized in that the bottom of the upper stay (4) is fixedly provided with a sliding block (8), the upper opening of the lower stay (5) is fixedly provided with a sliding ring (9), the outer dimension of the sliding block (8) is adapted to the inner dimension of the lower stay (5), and the inner dimension of the sliding ring (9) is adapted to the outer dimension of the upper stay (4).

5. The foldable weapon frame according to claim 4, wherein the linkage structure comprises a transmission rod (10), a pressing block (11) and a shifting block (12), the adjusting button (6) is movably arranged at the upper end of the transmission rod (10), the pressing block (11) is fixedly arranged at the lower end of the transmission rod (10), the shifting block (12) is rotatably arranged on the sliding block (8), the lower end face of the pressing block (11) is elastically abutted against one end of the shifting block (12), the other end of the shifting block (12) is movably clamped on the positioning pin (7), the adjusting button (6) is pressed, and the shifting block (12) is driven to swing through the transmission rod (10) so that the shifting block (12) drives the positioning pin (7) to transversely move back and forth.

6. A foldable weapon frame according to claim 5, characterized in that the lower end of the poking block (12) is provided with a slot (13), the outer side wall of the positioning pin (7) is provided with two spacing rings (14) at intervals, the slot (13) of the poking block (12) is inserted downwards between the two spacing rings (14), so that the front and back sides of the poking block (12) can be blocked by the two spacing rings (14) respectively.

7. A foldable weapon frame according to claim 3, characterized in that a first spring (15) is arranged between said adjusting button (6) and said upper stay (4) for driving said adjusting button (6) always elastically upward, and a second spring (16) is arranged between said positioning pin (7) and said sliding block (8) for driving said positioning pin (7) always pop-up in the direction of the outside of said upper stay (4).

8. A foldable weapon frame according to claim 2, characterized in that the upper stay (4) is divided into a rod part (17) and a rotation part (18), the rotation part (18) is fixedly arranged at the upper end of the rod part (17), the inner side surfaces of the two rotation parts (18) on the same side are attached to each other, one of the rotation parts (18) is provided with a rotation shaft (19), the other rotation part (18) is provided with a shaft hole, the rotation shaft (19) is inserted into the corresponding shaft hole, one side surface opposite to the two rotation parts (18) is provided with a convex block (20) and an arc-shaped groove (21), the arc-shaped groove (21) and the rotation shaft (19) are coaxial, the convex block (20) on one rotation part (18) is correspondingly inserted into the arc-shaped groove (21) of the other rotation part (18), the rotation angle of the convex block (20) in the arc-shaped groove (21) corresponds to the expansion of the two support rods (3), And (4) folding angle.

9. A collapsible weapon frame according to claim 2, characterized in that said detachable structure comprises a latch (22) and a rotation shaft (23), two upper stays (4) located on the same side, said latch (22) being arranged on one of the upper stays (4), the rotation shaft (23) being arranged on the other upper stay (4), one end of said rotation shaft (23) passing through the upper stay (4) being rotatably connected to said upper bracket (1), the upper bracket (1) being provided with a mounting hole corresponding to the position of said latch (22), the latch (22) being movably arranged in the upper stay (4) and being capable of translating transversely with respect to the upper stay (4) to allow the latch (22) to be inserted into or withdrawn from said mounting hole.

10. A foldable weapon frame according to claim 9, characterized in that a hollow bolt sleeve (24) is provided inside the upper stay (4) in which the bolt (22) is mounted, said bolt (22) being arranged inside the inner cavity of the bolt sleeve (24), a third spring (25) being sleeved around the bolt (22), a stop ring (26) being provided on the outer side wall of the bolt (22), one end of the spring being elastically abutted against the bolt sleeve (24) and the other end being elastically abutted against the stop ring (26), a stop surface (27) being provided inside the inner cavity of the bolt sleeve (24), and pulling the bolt (22) to compress the spring to withdraw the bolt (22) from the mounting hole, the corresponding stop ring (26) being abutted against the stop surface (27).