CN107388897B

CN107388897B - Adjustable support

Info

Publication number: CN107388897B
Application number: CN201710748621.1A
Authority: CN
Inventors: 邹赵建
Original assignee: Individual
Current assignee: Zou Rui
Priority date: 2017-08-25
Filing date: 2017-08-25
Publication date: 2023-09-29
Anticipated expiration: 2037-08-25
Also published as: CN107388897A

Abstract

The invention relates to an adjustable bracket, which comprises a base (1), an adjusting seat (2) and a gland (3) matched with the adjusting seat (2), and is characterized in that: the adjustable bracket further comprises an upper and lower adjusting screw rod (7) and a left and right adjusting screw rod (15) which are connected between the base (1) and the adjusting seat (2), and the upper and lower adjusting screw rod (7) drives the adjusting seat (2) to swing around the axis of the left and right adjusting screw rod (15); the left and right adjusting screw rods (15) drive the adjusting seat (2) to swing around the axes of the upper and lower adjusting screw rods (7). The adjustable bracket not only can be adjusted left and right but also can be adjusted up and down, and has high precision, simple operation and strong reliability in a threaded adjustment mode, but also comprises a quick clamping mechanism (17) which can be quickly clamped on parts such as firearms.

Description

Adjustable support

Technical Field

The present invention relates to a stent.

Background

Most sighting telescope is installed on a firearm through a bracket at present, when aiming at a large deviation ballistic line, the adjusting range of the sighting telescope knob is limited by the inner hole of a telescope tube, for example, when aiming a firearm such as a bow and crossbow, the actual deviation of a target point and a departure point is large. In order to improve shooting precision, the sighting telescope needs to be adjusted through the bracket, however, the existing bracket often does not have the adjusting function, or only has the up-down adjusting function but not has the left-right adjusting function, and the sighting telescope has the advantages of more parts, complex structure, small adjusting range, easy blocking and low adjusting precision.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the adjustable bracket which has a simple structure, is not easy to be blocked and can be conveniently adjusted up and down and left and right.

In order to achieve the aim of the invention, the invention adopts the following technical scheme: the utility model provides an adjustable support, includes base, adjustment seat, with adjustment seat matched with gland, its characterized in that: the adjustable bracket further comprises an upper adjusting screw rod, a lower adjusting screw rod, a left adjusting screw rod and a right adjusting screw rod, wherein the upper adjusting screw rod and the lower adjusting screw rod are connected between the base and the adjusting seat, and the upper adjusting screw rod and the lower adjusting screw rod drive the adjusting seat to swing around the axis of the left adjusting screw rod and the axis of the right adjusting screw rod; the left adjusting screw and the right adjusting screw drive the adjusting seat to swing around the axes of the upper adjusting screw and the lower adjusting screw.

In addition, the invention also comprises the following auxiliary technical schemes:

the base is provided with a cutting groove, a knob which is rotatably connected with the base is arranged in the cutting groove, the knob is in threaded connection with the upper and lower adjusting screw, and the knob drives the upper and lower adjusting screw to move up and down.

The adjusting seat is provided with a mounting hole, a first bolt is arranged in the mounting hole, and the upper adjusting screw and the lower adjusting screw are connected with the first bolt in a swinging mode.

The base is provided with an adjusting hole, a ball, a spring and a fixing screw are arranged in the adjusting hole, the ball and the spring are abutted to the knob, the fixing screw is in threaded fit with the adjusting hole, one end of the spring is abutted to the ball, and the other end of the spring is abutted to the fixing screw.

The adjusting seat is connected with a connecting piece which is rotatably connected with the adjusting seat, and the left adjusting screw and the right adjusting screw are installed on the base and are in threaded connection with the connecting piece.

The base is provided with a matching groove, the connecting piece is embedded into the matching groove, and the left adjusting screw and the right adjusting screw drive the connecting piece to horizontally move in the matching groove.

A first elastic piece is arranged between the base and the adjusting seat.

The adjustable bracket further includes a quick clamping mechanism.

The quick clamping mechanism comprises a first clamping part arranged on the base, a second clamping part opposite to the first clamping part and a clamping rod connected with the first clamping part and the second clamping part, and the first clamping part can move relative to the second clamping part along the clamping rod.

The quick clamping mechanism further comprises a clamping handle eccentrically connected with the clamping rod, and a second elastic piece arranged between the first clamping part and the second clamping part.

Compared with the prior art, the invention has the advantages that: the multifunctional bracket for the sighting telescope can be rapidly clamped on a firearm, can conveniently adjust objects such as the sighting telescope or a flashlight up and down and left and right, has the advantages of screw thread adjustment, high precision, simplicity in operation, difficulty in clamping and good reliability. The bracket has less parts, compact structure, light weight, small volume and convenient carrying and use.

Drawings

Fig. 1 is a schematic perspective view of an adjustable bracket of the present invention.

Fig. 2 is a front view of an adjustable bracket of the present invention.

Fig. 3 is a schematic cross-sectional shape of the third through hole of fig. 2 as seen from the B direction.

Fig. 4 is a left side view of the adjustable bracket of the present invention.

Fig. 5 is a top view of an adjustable bracket of the present invention.

Fig. 6 is a bottom view of the adjustable bracket of the present invention.

Fig. 7 is a schematic view of the quick clamp mechanism in the adjustable bracket of the present invention.

Fig. 8 is a rear view of an adjustable bracket of the present invention.

Fig. 9 is an enlarged view of a portion a in fig. 8.

Detailed Description

The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings.

As shown in FIG. 1, the adjustable bracket of the invention can clamp objects such as a sighting telescope or a flashlight and can be adjusted left and right and up and down, and comprises a base 1, an adjusting seat 2, a gland 3 and a quick clamping mechanism 17. The adjusting seat 2 and the gland 3 form a cavity 30 for clamping objects such as a sighting telescope or a flashlight, the adjusting seat 2 is arranged above the base 1 (the upper, lower, left, right, front and rear directions are all based on a coordinate system shown in the figure), two ends of the adjusting seat 2 are respectively connected with the base 1 through an upper adjusting screw rod 7 and a lower adjusting screw rod 15, the adjusting seat 2 can swing left and right around the upper adjusting screw rod 7 under the driving of the upper adjusting screw rod 15 and the lower adjusting screw rod 15, and the adjusting seat 2 can swing up and down around the upper adjusting screw rod 15 under the driving of the upper adjusting screw rod 7 and the lower adjusting screw rod 15. A quick clamping mechanism 17 is provided at the bottom of the base 1 for quick mounting with a firearm or the like.

As shown in fig. 4 and 5, the up-down adjusting screw 7 is disposed at the rear portion of the base 1, a slot 9 for accommodating the knob 6 is formed at the rear portion of the base 1, an upper wall 1a is formed at the upper portion of the slot 9, a lower wall 1b is formed at the lower portion of the slot 9, a pin mounting hole 1c is formed in the lower wall 1b, and a fourth hole 1d is formed in the upper wall 1 a. The knob 6 is arranged in the cutting groove 9, a positioning pin hole 6a tightly matched with one end of the pin 8 is formed in the lower part of the center of the knob, the other end of the pin 8 extends into the pin mounting hole 1c, and the diameter of the pin 8 is slightly smaller than that of the pin mounting hole 1c, so that the knob 6 can rotate around the center of the knob; the knob 6 is provided with a second threaded hole 6b at the center. The adjusting lever 7 includes a connection block 7a and a screw 7b connected to a lower portion of the connection block 7a, the screw 7b passing through the fourth through hole 1d and being connected to the second screw hole 6b. The rear part of the adjusting seat 2 is provided with a mounting hole 10 for accommodating the connecting block 7a, two sides of the mounting hole are provided with first through holes 22 communicated with the mounting hole 10, the connecting block 7a is provided with second through holes 7c communicated with the first through holes 22, a first bolt 23 penetrates through the first through holes 22 and the second through holes 7c to connect the adjusting rod 7 with the adjusting seat 2, and the tail end of the first bolt 23 is connected with a first nut 24 to prevent the first nut from falling off from the holes. Since the diameter of the first bolt 23 is smaller than the diameters of the first and second through holes 22, 7c, the adjustment lever 7 can swing around the axis of the first bolt 23 in a small range. The knob 6 is rotated, the matching length of the screw rod 7b and the second threaded hole 6b is correspondingly increased or decreased, so that the relative height of the adjusting seat 2 and the base 1 is changed, and a first elastic piece 28 is further arranged between the base 1 and the adjusting seat 2 to improve the adjusting precision, and the first elastic piece 28 can be a spring.

As shown in fig. 8 to 9, an adjusting hole 31 is formed in the lower wall 1b, a ball 34 abutting against the bottom surface of the knob 6, a spring 33, and a fixing screw 32 screwed to the adjusting hole 31 are provided in the adjusting hole 31, and one end of the spring 33 abuts against the ball 34 and the other end abuts against the fixing screw 32. When the knob 6 is rotated, the ball 34 butts against the bottom surface of the knob 6, so that the knob 6 cannot shake or move up and down, the influence of screw tolerance or machining error is reduced, the adjusting precision is improved, and meanwhile, the ball 34 rolls and cannot influence the knob 6.

As shown in fig. 2 and 3, a left and right adjusting screw 15 is mounted on the front of the base 1. The lower part of the adjusting seat 2 is provided with a connecting piece 11 which is in threaded connection with the adjusting seat and protrudes downwards, the threaded connection is preferably a coarse thread, the coarse thread has larger tolerance so as to reduce the risk of the bracket being blocked when being adjusted up and down, meanwhile, the adjusting seat 2 is provided with a first mounting hole 38, and a first spring 37 which is propped against the connecting piece 11 is arranged in the hole, and the first spring 37 can reduce the gap generated by the thread tolerance and vibration generated when in use. The base 1 is provided with the matching groove 12 for accommodating the connecting piece 11, preferably, the size of the matching groove 12 in the left-right direction is 5 to 6mm larger than that of the connecting piece, the bottom of the matching groove 12 is also provided with the second mounting hole 39, the second mounting hole 39 is internally provided with the second spring 40 which is abutted against the connecting piece 11, the second spring 40 can reduce the gap generated by screw tolerance and vibration generated during use, and the integral adjusting precision is improved. Third through holes 13 communicated with the matching grooves 12 are formed in the two side walls of the base 1, and first threaded holes 14 communicated with the third through holes 13 are formed in the connecting piece 11. The second bolt 15 passes through the third through hole 13 and is in threaded connection with the first threaded hole 14, the tail end of the second bolt passes through the base 1 and is connected with the second nut 16, the second nut 16 does not apply extrusion force to the base 1, the second bolt 15 is used for preventing the second bolt 15 from being carelessly separated, and actually after the second bolt is installed, the heads of the second nut 16 and the second bolt 15 do not need to be tightly attached to the base 1, and the second bolt can be slightly separated from the base 1 by a certain distance. The second bolt 15 is rotated to move the connecting member 11 relative to the second bolt 15, thereby adjusting the relative distance between the adjustment seat 2 and the base 1 in the left-right direction. In order to prevent the blocking phenomenon during the left-right adjustment, the section of the third through hole 13 is in a oblong hole shape, so that the second bolt 15 has a certain movable space in the third through hole 13.

As shown in fig. 2, 6 and 7, the quick clamping mechanism 17 includes a first clamping portion 18 provided at the bottom of the base 1, a second clamping portion 19 provided opposite to the first clamping portion 18, a second elastic member 27 provided between the first and second clamping portions 18, 19, a clamping lever 21 connecting the first and second clamping portions 18, 19, and a clamping handle 20 connected to the clamping lever 21. The second clamping portion 19 is provided with a positioning rod 35 integrally formed with the second clamping portion 19 (the second clamping portion and the positioning rod can be connected by other modes such as threaded connection and welding), the second elastic member 27 can be a spring or other elastic bodies, the positioning rod 35 is sleeved with the second elastic member 27, a positioning hole 36 for accommodating the second elastic member 27 and the positioning rod 35 is formed in a position, corresponding to the positioning rod 35, of the first clamping portion 28, and the positioning rod 35 and the positioning hole 36 can play a guiding role and prevent the second clamping portion 19 from deflecting, turning or causing the second elastic member 27 to fall off when not subjected to clamping force. The clamp lever 21 is provided with a square portion 21a and a screw portion 21b, a square groove 25 for mounting the square portion 21a is provided at the bottom of the base 1, the square portion 21a penetrates the second clamp portion 19 to be connected with the clamp handle 20, and the screw portion 21b penetrates the first clamp portion 18 to be connected with the third nut 26. The square part 21a is eccentrically connected with the clamping handle 20, and when the clamping handle 20 is turned, pressure is applied or released to the second clamping part 19, so that the bracket is fixed or removed on the firearm, and the third nut 26 can be turned to adjust the pressure and displacement. For better mounting of the stand with the firearm, a limit groove 29 is also provided on the base 1, which cooperates with the second clamping portion 19.

The multifunctional bracket for the sighting telescope can be rapidly clamped on a firearm, can conveniently adjust objects such as the sighting telescope or a flashlight up and down and left and right, has the advantages of screw thread adjustment, high precision, simplicity in operation, difficulty in clamping and good reliability. The bracket has less parts, compact structure, light weight, small volume and convenient carrying and use.

It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present invention, and is not intended to limit the scope of the invention, as long as the scope of the invention is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. The utility model provides an adjustable support, includes base (1), adjustment seat (2), with adjustment seat (2) matched with gland (3), its characterized in that: the adjustable bracket further comprises an upper and lower adjusting screw rod (7) and a left and right adjusting screw rod (15) which are connected between the base (1) and the adjusting seat (2), and the upper and lower adjusting screw rod (7) drives the adjusting seat (2) to swing around the axis of the left and right adjusting screw rod (15); the left and right adjusting screw rods (15) drive the adjusting seat (2) to swing around the axes of the upper and lower adjusting screw rods (7);

the base (1) is provided with a cutting groove (9), a knob (6) which is rotatably connected with the base (1) is arranged in the cutting groove (9), the knob (6) is in threaded connection with the upper and lower adjusting screw (7), and the knob (6) drives the upper and lower adjusting screw (7) to move up and down; the lower part of the center of the knob (6) is provided with a positioning pin hole (6 a) tightly matched with the pin (8), the base (1) is provided with a pin mounting hole (1 c) with the diameter slightly larger than that of the pin (8), and the pin (8) is penetrated in the pin mounting hole (1 c) and connected with the knob (6);

the adjusting seat (2) is provided with a mounting hole (10), a first bolt (23) is arranged in the mounting hole (10), the upper and lower adjusting screw (7) is in swinging connection with the first bolt (23), and the upper and lower adjusting screw (7) can swing around the axis of the first bolt (23) in a small range;

the adjusting seat (2) is connected with a connecting piece (11) which can be rotationally connected with the adjusting seat, the left adjusting screw (15) and the right adjusting screw are installed on the base (1) and are in threaded connection with the connecting piece (11), a first installation hole (38) is formed in the adjusting seat (2), a first spring (37) propped against the connecting piece (11) is arranged in the first installation hole (38), a matching groove (12) for accommodating the connecting piece (11) is formed in the base (1), a second installation hole (39) is formed in the bottom of the matching groove (12), and a second spring (40) propped against the connecting piece (11) is arranged in the second installation hole (39).

2. The adjustable support of claim 1, wherein: the base (1) is provided with an adjusting hole (31), a ball (34) propped against the knob (6), a spring (33) and a fixing screw (32) in threaded fit with the adjusting hole (31) are arranged in the adjusting hole (31), one end of the spring (33) is propped against the ball (34), and the other end of the spring is propped against the fixing screw (32).

3. The adjustable support of claim 1, wherein: the connecting piece (11) is embedded into the matching groove (12), and the left adjusting screw rod and the right adjusting screw rod (15) drive the connecting piece (11) to horizontally move in the matching groove (12).

4. The adjustable support of claim 1, wherein: a first elastic piece (28) is arranged between the base (1) and the adjusting seat (2).

5. An adjustable support according to any one of claims 1 to 4, wherein: the adjustable bracket further comprises a quick clamping mechanism (17).

6. The adjustable support of claim 5, wherein: the quick clamping mechanism (17) comprises a first clamping part (18) arranged on the base (1), a second clamping part (19) opposite to the first clamping part (18) and a clamping rod (21) connected with the first clamping part (18) and the second clamping part (19), wherein the first clamping part (18) can move relatively to the second clamping part (19) along the clamping rod (21).

7. The adjustable support of claim 6, wherein: the quick clamping mechanism (17) further comprises a clamping handle (20) eccentrically connected with the clamping rod (21) and a second elastic piece (27) arranged between the first clamping part (18) and the second clamping part (19).