CN210741245U - High-precision bipod - Google Patents

Abstract

The utility model relates to a high accuracy bipod, it includes two shank and midportions, but two shank upper end rotation regulation are connected and are close to the below position in the midportion both sides, the shank include interconnection connecting piece, outer tube, locking Assembly, the connecting piece outside including the outer pipe box, the design of outer tube upper end has locking Assembly, locking Assembly is including locking seat, button and spring. The locking device has the advantages that the locking device is ingenious in design and compact and reasonable in structure, the height and the angle can be adjusted according to the terrain, the outer pipe and the locking seat are connected into a whole and then are sleeved on the inner connecting piece, the outer plane of the inner connecting piece is in relative sliding fit with the inner plane of the through hole, and the outer pipe and the inner connecting piece are prevented from rotating relatively; outer tube and interior connecting piece can quick flexible regulation, and the design through spacer and locating pin between interior connecting piece and the intermediate part guarantees that the shank can angle modulation around, the utility model discloses well essential element structure adopts the carbon fiber preparation, guarantees that whole light in weight still ensures intensity.

Description

High-precision bipod

Technical Field

The utility model relates to a bipod technical field, concretely relates to high accuracy bipod.

Background

At present some cameras or camera when using, need use the both feet support, guarantee to shoot the high accuracy in the operation process, but some supports exist the weak point at present, and the material adopts some metal material, and weight is big, can't be according to topography height-adjusting, angle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a high accuracy bipod, design benefit, compact structure is reasonable, can be according to topography height-adjusting and angle.

The technical scheme of the utility model is that:

a high-precision bipod comprises two legs and a middle part, wherein the upper ends of the two legs are rotatably connected to the two sides of the middle part in a regulating mode and are close to the lower position, the legs comprise inner connecting pieces, outer tubes and locking assemblies, the outer tubes are sleeved on the outer sides of the inner connecting pieces, the locking assemblies are designed at the upper ends of the outer tubes and comprise locking seats, buttons and springs, the lower ends of the locking seats are installed at the upper ends of the outer tubes, through holes are formed in the middles of the locking seats and communicated with the outer tubes, and mounting holes are designed at one sides of the locking seats and are perpendicular; the utility model discloses a locking seat, including the internal connection piece, the internal connection piece be cylindric, the outside from last down evenly designed has an outer plane of a plurality of annular groove and one side design, also design an inner plane in the through-hole of locking seat, the outer tube is connected with locking seat and is emboliaed and the relative sliding fit of inner plane of the outer plane of internal connection piece and through-hole after forming an organic whole from the internal connection piece, the button inserts in the mounting hole of locking seat, install the spring between button and the locking seat, spring one end top is in the mounting hole bottom, the other end top is in the bottom of button, the button includes toper section, interlude and guide arm section, the toper section passes through the interlude and connects the guide arm section, the toper section is that the bottom is thick to be close to the interlude carefully, toper section bottom is pressed on the spring.

The lower end of the inner connecting piece is also provided with a limiting cap, and the circumferential diameter of the limiting cap is the same as the inner diameter of the outer pipe; the lower end of the outer pipe is also provided with a lining, the lower end of the lining is provided with a foot pad, and the upper end of the foot pad is screwed in the lining; the outer side of the guide rod section of the button is also provided with a round cap.

The middle part comprises a clamping seat, a positioning seat, a rotating pad, a central body, a ball head bolt and a locking knob, wherein a round hole is formed in the middle of the positioning seat, the bottom of the round hole is designed to be hemispherical, a waist-shaped hole is formed in the lower end of the round hole on the positioning seat, the two holes are communicated, a round hole is formed in the middle of the central body, a round groove is formed in the middle of the upper end of the central body, the rotating pad is circular, a square hole is formed in the middle of the rotating pad, arc-shaped surfaces are formed in two sides of the square hole, the left side and the right side of the lower end of the positioning seat are also designed to be arc-shaped surfaces, the rotating pad is arranged in the round groove in the upper end of the central; the lower end of the clamping seat is clamped on the positioning seat and locked by a screw.

Semicircular grooves are formed in the front and back of the inner side of the circular hole of the positioning seat, the left end and the right end of the waist-shaped hole are in a conical shape, and the conical shape is narrow at the upper end and wide at the lower end; the front side and the rear side of the upper end of the round hole of the central body are provided with trapezoidal grooves at the bottom of the round groove, and the trapezoidal grooves are narrow in the middle and wide at two ends; an upper positioning pin is inserted in the middle of the ball head bolt in the front and back direction, a lower positioning pin is inserted in the middle of the ball head bolt in the front and back direction, the front end and the back end of the upper positioning pin are located in the front and back semicircular grooves in the inner sides of the round holes, and the front end and the back end of the lower positioning pin are located in the trapezoidal.

The clamping seat comprises a left clamping seat, a right clamping seat, a central shaft, guide rods, a fixing knob, a spring, a wrench and a round pin, wherein the left clamping seat is matched with the right clamping seat, a clamping groove is formed between the left clamping seat and the right clamping seat, guide rod holes are formed in the lower ends of the two sides of the left clamping seat, the guide rods are respectively arranged in the guide rod holes, round holes are also respectively designed in the lower ends of the two sides of the right clamping seat, an annular step is designed at the front end of each guide rod, the spring is sleeved at the front end of each guide rod, one end of each guide rod is propped against the annular step, the front end of each guide rod is inserted into the round hole of the right clamping seat, the spring is propped against the right clamping seat, a central shaft hole is formed in the middle of the left clamping seat, a central shaft hole is formed in the middle of the right clamping seat, a square groove, arc-shaped grooves are formed in the upper side and the lower side of the central shaft hole on the outer side of the right clamping seat, the outer side of the root end of the wrench is designed into an arc-shaped surface, a notch for a central shaft to pass through is formed in the middle of the root end, and the upper arc-shaped surface and the lower arc-shaped surface of the root end are formed and are respectively and correspondingly located in the arc-shaped grooves on the outer side of the right; the middle of the central shaft is designed into a square shaft, the square shaft is positioned in the square groove, and the upper end of the square shaft is higher than the depth of the square groove.

The two sides of the lower end of the middle part are respectively connected with corresponding leg parts through rotatable adjusting components, each rotatable adjusting component comprises a positioning sheet, a button, a spring and a positioning pin, each positioning sheet is a semicircular positioning sheet, a mounting hole is formed in the position, close to the circle center of the semicircle, of each positioning sheet, five conical positioning holes are uniformly designed in the positioning sheets and communicated through the semicircular hole, each conical positioning hole is wide in bottom and narrow in upper part, the upper end of an inner connecting piece of each leg part is rotatably fixed on the middle part through a bolt, the positioning sheet is fixedly arranged between the inner connecting piece and the middle part and sleeved on the bolt through the positioning hole, a button mounting groove is further designed in the position, close to the upper end, of each inner connecting piece, a round hole for the upper end of the positioning pin to pass through is formed, still design the spring between button and the button mounting groove, the spring housing is on the locating pin, and the design of locating pin lower extreme has conical head, and conical head is the wide upper end of bottom narrow, and the conical head of locating pin lower extreme can block in arbitrary one toper locating hole of spacer.

The locating piece is characterized in that inclined semicircular bosses are respectively designed on two sides of the lower end of the middle part, bosses are designed at the upper end of the inner connecting piece and located below the locating pin, the semicircular locating piece is installed on the semicircular bosses, the lower end conical head of the locating pin is located on the outer edge of the semicircular bosses, and the bosses of the inner connecting piece are located on the outer edge of the semicircular locating piece.

The left clamping seat, the right clamping seat, the positioning seat and the central body of the middle part are respectively formed by injection molding of carbon fibers; the inner connecting piece and the outer pipe of the leg are respectively formed by injection molding and injection molding through carbon fibers.

The rotation angle of the clamping seat is 15 degrees respectively in the longitudinal direction, and the rotation angle of the clamping seat is 15 degrees respectively in the horizontal direction.

The utility model has the advantages of ingenious design and compact and reasonable structure, the height and the angle can be adjusted according to the terrain, the outer pipe is sleeved on the inner connecting piece after being connected with the locking seat into a whole, and the outer plane of the inner connecting piece is in relative sliding fit with the inner plane of the through hole, so that the relative rotation of the outer pipe and the inner connecting piece is prevented; outer tube and interior connecting piece can quick flexible regulation, and the design through spacer and locating pin between interior connecting piece and the intermediate part guarantees that the shank can angle modulation around, the utility model discloses well essential element structure adopts the carbon fiber preparation, guarantees that whole light in weight still ensures intensity.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an exploded view of the leg of the present invention.

Fig. 3 is an exploded view of the intermediate section of the present invention.

Fig. 4 is a schematic diagram of the overall explosion of the present invention.

Fig. 5 is a perspective view of the present invention.

Fig. 6 is a schematic view of the spacer of the present invention.

Detailed Description

Referring to the attached drawings 1-2 and fig. 4, a high-precision bipod comprises two leg portions 1 and a middle portion 2, wherein the upper ends of the two leg portions 1 are rotatably and adjustably connected to the two sides of the middle portion 2 near the lower position, the leg portions 1 comprise inner connecting pieces 11, outer tubes 12 and locking assemblies, the outer tubes 12 are sleeved on the outer sides of the inner connecting pieces 11, the locking assemblies are designed at the upper ends of the outer tubes 12 and comprise locking seats 13, buttons 14 and springs 15, the lower ends of the locking seats 13 are installed at the upper ends of the outer tubes 12, through holes are formed in the middles of the locking seats 13 and communicated with the outer tubes 12, and mounting holes perpendicular to the through holes and communicated with the through holes are; the inner connecting piece 11 is cylindrical, a plurality of annular grooves 110 are uniformly designed on the outer side from top to bottom, an outer plane 16 is designed on one side, an inner plane 17 is also designed in the through hole of the locking seat 13, the outer tube 12 and the locking seat 13 are connected into a whole and then sleeved on the inner connecting piece 11, the outer plane 16 of the inner connecting piece 11 is in relative sliding fit with the inner plane 17 of the through hole, the button 14 is inserted into the mounting hole of the locking seat 13, a spring 15 is mounted between the button 14 and the locking seat 13, one end of the spring 15 abuts against the bottom of the mounting hole, the other end of the spring 15 abuts against the bottom end of the button 14, the button 14 comprises a conical section 141, a middle section 142 and a guide rod section 143, the conical section 141 is connected with the guide rod section 143 through the middle section, the conical section 141 is thick at the bottom and is close to the middle section, the bottom of the conical section 141 is pressed on the spring 15, and the outer conical surface of.

In fig. 2, a limiting cap 112 is further installed at the lower end of the inner connecting member 11, and the circumferential diameter of the limiting cap 112 is the same as the inner diameter of the outer tube 12; the lower end of the outer tube 12 is also provided with a bushing, the lower end of the bushing is provided with a foot pad 121, and the upper end of the foot pad 121 is screwed in the bushing; the outside of the guide rod section 143 of the button 14 is also designed with a round cap. The limiting cap 112 prevents the inner connecting piece from separating and falling off from the outer pipe; the foot pad is used for more stable support; the round cap is designed to facilitate pressing and also to prevent over-pressing of the button into the mounting hole.

The middle part 2 shown in fig. 1 and 3-5 comprises a clamping seat 20, a positioning seat 21 and a rotating pad 22, the ball stud comprises a central body 23, a ball stud 24 and a locking knob 25, wherein a round hole is formed in the middle of a positioning seat 21, the bottom of the round hole is designed to be hemispherical, a waist-shaped hole 28 is formed in the lower end of the round hole and communicated with the two holes, a round hole is formed in the middle of the central body 23, a round groove is formed in the middle of the upper end of the central body 23, a rotating pad 22 is circular and provided with a square hole in the middle, arc-shaped surfaces are designed on two sides of the square hole, the left side and the right side of the lower end of the positioning seat 21 are also designed to be arc-shaped surfaces, the rotating pad 22 is arranged in the round groove in the upper end of the central body, the arc-shaped surfaces at the lower end of the positioning seat 21 are; the lower end of the clamping seat 20 is clamped on the positioning seat 21 and locked by a screw.

In fig. 1, fig. 3-4, the inside of the round hole of the positioning seat 21 is designed with a semicircular groove 27 in front and back, the left and right ends of the waist-shaped hole 28 are tapered, and the tapered shape is narrow at the upper end and wide at the lower end; the front side and the rear side of the upper end of the round hole of the central body 23 are provided with trapezoidal grooves 26 at the bottom of the round groove, and the trapezoidal grooves 26 are narrow in the middle and wide at two ends; an upper positioning pin 241 is inserted in the front and rear of the middle of the ball stud 24, a lower positioning pin 242 is inserted in the front and rear of the middle of the ball stud 24, the front and rear ends of the upper positioning pin 241 are located in the front and rear semicircular grooves 27 inside the circular hole, and the front and rear ends of the lower positioning pin 242 are located in the trapezoidal groove 26.

Referring to fig. 1 and 3-5, the cartridge 20 includes a left cartridge 201, a right cartridge 202, a central shaft 203, a guide rod 204, a fixing knob 205, a spring 206, a wrench 207, and a round pin 208, the left cartridge 201 and the right cartridge 202 are matched with each other and form a clamping groove therebetween, the lower ends of the two sides of the left cartridge 201 are provided with guide rod holes, the guide rods 204 are respectively installed in the two guide rod holes, the lower ends of the two sides of the right cartridge 202 are also provided with round holes, the front end of the guide rod 204 is provided with an annular step, the spring 206 is sleeved at the front end of the guide rod 204 and one end of the spring is pressed against the annular step, the front end of the guide rod 204 is inserted into the round hole of the right cartridge 202 and the spring 206 is pressed against the right cartridge 202, the middle of the left cartridge 201 is provided with a central shaft hole, the middle bottom of the clamping groove is provided with a square groove communicated with the central shaft hole of the left cartridge 201, one end of the central shaft 203 The round pin 208 is rotatably connected with the root end of the wrench 207, arc-shaped grooves 209 are arranged on the outer side of the right clamping seat 202 at the upper side and the lower side of the central shaft hole, the outer side of the root end of the wrench 207 is designed into an arc-shaped surface 210, a notch for a central shaft to pass through is formed in the middle of the root end, and the upper arc-shaped surface and the lower arc-shaped surface of the root end are formed and are respectively and correspondingly positioned in the arc-shaped grooves 209 on the outer side of; the middle of the central shaft 203 is designed into a square shaft 211, the square shaft 211 is positioned in the square groove, and the upper end of the square shaft 211 is higher than the depth of the square groove. The square shaft is designed and installed to ensure that the clamping seat is correspondingly clamped with the clamping table clamping groove below the front end of the gun support, so that the clamping seat cannot slide back and forth.

Referring to fig. 1 and 3-6, two sides of the lower end of the middle portion 2 are respectively connected with corresponding leg portions 1 through rotatable adjusting components 3, each rotatable adjusting component 3 comprises a positioning piece 31, a button 32, a spring 33 and a positioning pin 34, each positioning piece 31 is a semicircular positioning piece, a mounting hole is designed at a position of each positioning piece 31 close to the center of a semicircular circle, five conical positioning holes are uniformly designed on each positioning piece 31, the five conical positioning holes 35 are communicated through the semicircular holes, each conical positioning hole 35 is wide at the bottom and narrow at the upper portion, the upper end of an inner connecting piece 11 of each leg portion is rotatably fixed on the middle portion 2 through a bolt, the positioning piece 31 is fixedly arranged between the inner connecting piece 11 and the middle portion 2, each positioning piece 31 is sleeved on the bolt through a positioning hole, a button mounting groove is further designed at a position of the inner connecting piece 11 close, the round hole is passed on locating pin 34 upper end and is installed on button 32, and button 32 installs in the button mounting groove, still designs between button 32 and the button mounting groove has spring 33, and spring 33 overlaps on locating pin 34, and the design of locating pin 34 lower extreme has conical head, and conical head is that the bottom is wide the upper end narrow, and conical head at locating pin 34 lower extreme can block in arbitrary one toper locating hole 35 of spacer 31.

In fig. 1 and 3-6, the two sides of the lower end of the middle part 2 are respectively provided with an inclined semicircular boss 4, the upper end of the inner connecting piece 11 is provided with a boss 111 and is positioned below the positioning pin 34, the semicircular positioning piece 31 is arranged on the semicircular boss 4, the lower end conical head of the positioning pin 34 is positioned at the outer edge of the semicircular boss 4, and the boss 111 of the inner connecting piece is positioned at the outer edge of the semicircular positioning piece 31.

The left clamping seat 201, the right clamping seat 202, the positioning seat 21 and the central body 23 of the middle part are respectively formed by injection molding by carbon fibers; the inner connecting piece 11 and the outer tube 12 of the leg part 1 are respectively formed by injection molding of carbon fiber. The utility model discloses a cassette and positioning seat are components of a whole that can function independently design installation, and main objective is first in order to realize the utility model discloses a structural design, there is still a problem of solving the technological problem, is exactly the carbon fiber injection moulding problem, if the fit preparation of both, carbon fiber injection moulding is very difficult, and intensity can not reach the requirement, the utility model discloses after the components of a whole that can function independently design, the structure becomes simple, and injection moulding is easy, and finished product intensity is high.

The longitudinal rotation angles of the clamping seat 20 are respectively 15 degrees, the clamping seat 20 and the positioning seat 21 are locked together through screws to form an integrated structure through the taper design on two sides of the kidney-shaped hole 28 of the positioning seat 21, the positioning seat 21 and the ball stud 24 rotate longitudinally relatively, the lower end of the positioning seat 21 rotates vertically in the rotating pad 22, a rod which rotates to the ball stud 24 is in contact with two sides of the kidney-shaped hole 28, and the rotation is 15 degrees; rotation angle is 15 degrees respectively for the cassette 20 level, and in cassette and the rotatory in-process of positioning seat, the upper end of ball stud is restricted in positioning seat 21 through last locating pin 241, and ball stud and positioning seat level are relative irrotational, and positioning seat 21 horizontal rotation then ball stud is just horizontal rotation, but the design has lower locating pin 242 in the middle of the ball stud, and lower locating pin 242 can remove about trapezoidal groove 26 level, and the angle of removal is exactly 15 degrees, then explains that ball stud and positioning seat rotate 15 degrees angles about the level at most.

When the utility model is used, the legs are adjusted in a telescopic way, only the button 14 needs to be pressed, the conical section 141 is separated from the annular groove 110, the middle section 142 is thin and can not collide with the annular groove 110, thus the outer tube 12 can be stretched up and down along the inner connecting piece 11, and the conical section 141 can be clamped with the nearest annular groove 110 under the action of the spring to lock up and down when the button 14 is released; the interior connecting piece changes under cylinder structure in the past the utility model discloses an irregular structure disappears one outside plane 16 of formation to cylinder one side promptly, then the internal plane 17 has also been designed into to locking seat 13 inside round hole one side above the outer tube, and the hole of locking seat also becomes anomalous like this, and just in time overlaps in the interior connecting piece outside, and the outside plane cooperatees with the internal plane and plays and prevent rotating effect, shoots the in-process china and outer pipe like this and can not take place rotatory problem because of the topography is complicated, improves and shoots the precision.

Claims (9)

1. A high-precision bipod is characterized by comprising two legs and a middle part, wherein the upper ends of the two legs are rotatably and adjustably connected to the two sides of the middle part and close to the lower position, the legs comprise inner connecting pieces, outer tubes and locking assemblies, the outer tubes are sleeved outside the inner connecting pieces, the upper ends of the outer tubes are provided with the locking assemblies, each locking assembly comprises a locking seat, a button and a spring, the lower ends of the locking seats are arranged at the upper ends of the outer tubes, through holes are formed in the middles of the locking seats and communicated with the outer tubes, and mounting holes are formed in one sides of the locking seats, perpendicular to the through holes; the utility model discloses a locking seat, including the internal connection piece, the internal connection piece be cylindric, the outside from last down evenly designed has an outer plane of a plurality of annular groove and one side design, also design an inner plane in the through-hole of locking seat, the outer tube is connected with locking seat and is emboliaed and the relative sliding fit of inner plane of the outer plane of internal connection piece and through-hole after forming an organic whole from the internal connection piece, the button inserts in the mounting hole of locking seat, install the spring between button and the locking seat, spring one end top is in the mounting hole bottom, the other end top is in the bottom of button, the button includes toper section, interlude and guide arm section, the toper section passes through the interlude and connects the guide arm section, the toper section is that the bottom is thick to be close to the interlude carefully, toper section bottom is pressed on the spring.

2. A high precision bipod as claimed in claim 1, wherein the lower end of the inner connecting member is further provided with a limit cap, the circumference diameter of the limit cap is the same as the inner diameter of the outer tube; the lower end of the outer pipe is also provided with a lining, the lower end of the lining is provided with a foot pad, and the upper end of the foot pad is screwed in the lining; the outer side of the guide rod section of the button is also provided with a round cap.

3. The high-precision bipod stand according to claim 1, wherein the middle part comprises a clamping seat, a positioning seat, a rotating pad, a central body, a ball stud and a locking knob, the positioning seat is provided with a round hole in the middle, the bottom of the round hole is designed to be hemispherical, the lower end of the round hole is provided with a kidney-shaped hole on the positioning seat and is communicated with the two holes, the central body is provided with a round hole in the middle, the central body is provided with a round groove in the middle, the rotating pad is round and is provided with a square hole in the middle, arc-shaped surfaces are arranged on two sides of the square hole, the left side and the right side of the lower end of the positioning seat are also designed to be arc-shaped surfaces, the rotating pad is arranged in the round groove in the upper end of the central body, the arc-shaped surfaces at the lower end of; the lower end of the clamping seat is clamped on the positioning seat and locked by a screw.

4. A high-precision bipod stand as claimed in claim 3, wherein the positioning seat has a semicircular slot on the inner side of the circular hole, the left and right ends of the waist-shaped hole are tapered, and the tapered shape is narrow at the upper end and wide at the lower end; the front side and the rear side of the upper end of the round hole of the central body are provided with trapezoidal grooves at the bottom of the round groove, and the trapezoidal grooves are narrow in the middle and wide at two ends; an upper positioning pin is inserted in the middle of the ball head bolt in the front and back direction, a lower positioning pin is inserted in the middle of the ball head bolt in the front and back direction, the front end and the back end of the upper positioning pin are located in the front and back semicircular grooves in the inner sides of the round holes, and the front end and the back end of the lower positioning pin are located in the trapezoidal.

5. A high-precision bipod stand as claimed in claim 3, wherein the stand comprises a left stand, a right stand, a central shaft, a guide rod, a fixing knob, a spring, a wrench, and a round pin, the left stand and the right stand are engaged with each other with a slot formed therebetween, the lower ends of the left stand are provided with guide rod holes, the guide rods are respectively disposed in the guide rod holes, the lower ends of the right stand are respectively provided with a circular hole, the front end of the guide rod is provided with an annular step, the spring is sleeved on the front end of the guide rod with one end thereof abutting against the annular step, the front end of the guide rod is inserted into the circular hole of the right stand with the spring abutting against the right stand, the center shaft hole is formed in the middle of the left stand, the center shaft hole is formed in the middle of the right stand, the bottom of the slot is provided with a square groove communicated with the center shaft hole of the left stand, one end of the central shaft is, the round pin is rotatably connected with the root end of the wrench, arc-shaped grooves are formed in the upper side and the lower side of the central shaft hole on the outer side of the right clamping seat, the outer side of the root end of the wrench is designed into an arc-shaped surface, a notch for a central shaft to pass through is formed in the middle of the root end, and the upper arc-shaped surface and the lower arc-shaped surface of the root end are formed and are respectively and correspondingly located in the arc-shaped grooves on the outer; the middle of the central shaft is designed into a square shaft, the square shaft is positioned in the square groove, and the upper end of the square shaft is higher than the depth of the square groove.

6. A high-precision bipod stand as claimed in claim 1, wherein the two sides of the lower end of the middle part are respectively connected with corresponding leg parts through rotatable adjusting components, each rotatable adjusting component comprises a positioning plate, a button, a spring and a positioning pin, each positioning plate is a semicircular positioning plate, a mounting hole is designed at a position of each positioning plate close to the center of the semicircular circle, five conical positioning holes are uniformly designed on each positioning plate and are communicated through the semicircular holes, each conical positioning hole is wide at the bottom and narrow at the upper part, the upper end of an inner connecting piece of each leg part is rotatably fixed on the middle part through a bolt, a positioning plate is fixedly arranged between the inner connecting piece and the middle part, each positioning plate is sleeved on the bolt through the corresponding positioning hole, a button mounting groove is further designed at a position of the inner connecting piece close to the upper end, a, the round hole is passed on the locating pin and is installed on the button, and the button is installed in the button mounting groove, still designs between button and the button mounting groove to have the spring, and the spring housing is on the locating pin, and the design of locating pin lower extreme has conical head, and conical head is the wide upper end in bottom narrow, and the conical head of locating pin lower extreme can block in arbitrary one toper locating hole of spacer.

7. A high accuracy bipod stand according to claim 6 wherein the two sides of the lower end of the middle part are respectively designed with an inclined semicircular boss, the upper end of the inner connecting member is designed with a boss and located below the positioning pin, the semicircular positioning plate is mounted on the semicircular boss, the lower conical head of the positioning pin is located at the outer edge of the semicircular boss, and the boss of the inner connecting member is located at the outer edge of the semicircular positioning plate.

8. A high-precision bipod according to any one of claims 1 to 6 wherein the left and right clamping seats, the positioning seat and the central body of the middle part are respectively injection molded by carbon fiber; the inner connecting piece and the outer pipe of the leg are respectively formed by injection molding and injection molding through carbon fibers.

9. A high accuracy bipod as claimed in claim 3, wherein the rotation angles of the cartridge in the longitudinal direction are 15 degrees and the rotation angles of the cartridge in the horizontal direction are 15 degrees, respectively.

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