CN113551640A

CN113551640A - Prevent collapsible distance measuring apparatu that emptys

Info

Publication number: CN113551640A
Application number: CN202111108985.6A
Authority: CN
Inventors: 王文慧; 黄锦伟; 林丽红; 陈群峰; 陈慧欢; 李金泽; 李益青
Original assignee: Huizhou Hongye Electric Power Co ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Huizhou Hongye Electric Power Co ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-10-26
Anticipated expiration: 2041-09-22
Also published as: CN113551640B

Abstract

The invention discloses an anti-toppling foldable distance measuring instrument, which relates to the technical field of distance measuring instruments and comprises a distance measuring instrument outer body and a foldable support assembly, wherein a display screen for displaying measured data is arranged on one side of the distance measuring instrument outer body, an eyepiece is arranged on the rear side of the distance measuring instrument outer body, and an objective lens is arranged on the front side of the distance measuring instrument outer body. The foldable support component comprises a side rotating shaft, a telescopic support column, a central rotating shaft and a central support column, wherein the two sides of the central support column are provided with the foldable components, and each foldable component comprises a first movable shaft, a support plate, a second movable shaft, an anti-toppling bottom plate and a limiting groove. The anti-toppling support frame is additionally provided with the folding support frame component, the telescopic support columns are hydraulic telescopic rods, the support length is convenient to adjust, the tail ends of the anti-toppling bottom plates are of arc-shaped tilting structures, the anti-toppling bottom plates can be prevented from inclining towards two sides, and meanwhile, the stability of the anti-toppling bottom plates symmetrically arranged on two sides can be enhanced, and the anti-toppling effect is achieved.

Description

Prevent collapsible distance measuring apparatu that emptys

Technical Field

The invention relates to the technical field of distance measuring instruments, in particular to an anti-toppling foldable distance measuring instrument.

Background

The distance measuring instrument is a tool for measuring length or distance, and can be combined with angle measuring equipment or a module to measure parameters such as angle, area and the like. The range finder is in many forms, and is usually an elongated cylinder, which is composed of an objective lens, an eyepiece, a display device (which may be built-in), a battery, and the like. The distance meter may determine the distance between the aircraft and the radio station by measuring the time required for the radio wave to travel back and forth between the two.

The existing range finder does not have a support structure or is simple in support structure, the range finder with the support structure does not have a structure capable of preventing toppling and folding, and the range finder is not convenient to use and carry.

Thus, the prior art has yet to be improved and enhanced.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, it is an object of the present invention to provide a foldable distance measuring instrument that is resistant to toppling.

In order to solve the technical problems, the invention adopts the following technical scheme:

a foldable distance measuring instrument preventing toppling comprises a distance measuring instrument outer body and a foldable support assembly, wherein a display screen used for displaying measured data is arranged on one side of the distance measuring instrument outer body, an eyepiece is arranged on the rear side of the distance measuring instrument outer body, and an objective lens is arranged on the front side of the distance measuring instrument outer body; the range finder comprises a range finder outer body, and is characterized in that a supporting plate is mounted on the lower side of the range finder outer body, a supporting seat is fixed on the lower side of the supporting plate, a foldable support assembly is arranged on the lower side of the supporting seat and comprises a side rotating shaft, a telescopic strut, a central rotating shaft and a central strut, the side rotating shaft is arranged on each of two sides of the supporting seat, the telescopic strut is mounted on the side rotating shaft, the central rotating shaft is arranged in the middle of the lower portion of the supporting seat, and the central strut is mounted on the lower portion of the central rotating shaft;

folding assemblies are installed on two sides of the central support column and comprise a first movable shaft, a support plate, a second movable shaft and an anti-falling bottom plate, one end of the support plate is pivoted with the central support column through the first movable shaft, the other end of the support plate is pivoted with one end of the anti-falling bottom plate through the second movable shaft, and a limit groove is formed in the middle of the anti-falling bottom plate.

As an improvement of the invention, a connecting assembly is arranged between the outer body of the range finder and the supporting plate, the connecting assembly comprises a bearing plate, a rubber cushion layer and fixing bolts, the upper side of the bearing plate is glued to the rubber cushion layer, the fixing bolts are fixed on two sides of the bearing plate, and a rotating shaft is arranged on the lower portion of the bearing plate and connected with the supporting plate.

As an improvement of the invention, two telescopic support columns are symmetrically arranged between the two telescopic support columns about the vertical central line of the support plate and the support seat, and the telescopic support columns are rotationally connected with the support seat through a side rotating shaft.

As an improvement of the invention, two groups of the anti-toppling bottom plates are symmetrically arranged between the anti-toppling bottom plates in the axial direction of the central pillar, and the tail ends of the anti-toppling bottom plates are of arc-shaped tilting structures.

As a further improvement of the invention, the limiting groove is a hollow groove.

As a further improvement of the invention, the upper part of the anti-toppling bottom plate is provided with a limiting assembly, the limiting assembly comprises sliding grooves, sliding blocks, outer rotating shafts, limiting rotating plates and locking bolts, the sliding grooves are arranged on two sides of the upper part of the anti-toppling bottom plate, the sliding blocks are arranged in the sliding grooves in a sliding mode, the outer rotating shafts are arranged on the outer sides of the upper parts of the sliding blocks, the limiting rotating plates are fixed on the outer parts of the outer rotating shafts, and the upper parts of the limiting rotating plates penetrate through the locking bolts.

As a further improvement of the invention, the limiting rotating plate is in rotating connection with the sliding block through the outer rotating shaft, and one side of the limiting rotating plate is in a fan-shaped open structure.

As a further improvement of the present invention, an outer casing is fixed outside the objective lens, and a dust removal assembly is installed on one side of an inner wall of the outer casing, the dust removal assembly includes an air casing, an air outlet, a fan, a micro motor, a motor shaft, a rotating plate and a dust removal wiper, the air outlet is arranged on one side of the air casing, the fan is installed inside the air casing, the micro motor is installed in inner cavities of upper and lower sides of the inner wall of the outer casing, the motor shaft is arranged on one side of the micro motor, the rotating plate is fixed on one side of the motor shaft, and the dust removal wiper is arranged on an inner side of the rotating plate.

As a further improvement of the invention, the rotating plate and the dust removing wiper are rotationally connected with the outer casing through a motor shaft, and both the rotating plate and the dust removing wiper are in arc-shaped structures.

As a further improvement of the invention, the bearing plate is connected with the outer body of the range finder through a fixing bolt by a bolt, and the bearing plate is connected with the support plate in a rotating manner through a rotating shaft.

Compared with the prior art, the anti-toppling foldable distance measuring instrument provided by the invention is additionally provided with the folding support component, the lower part of the supporting seat can be subjected to stress support through the central pillar, the inclination angle of the telescopic pillar is convenient to rotate and adjust through the side rotating shaft, the lower part of the central pillar can be stably supported through the symmetrically arranged two telescopic pillars, the telescopic pillars are hydraulic telescopic rods, the support length is convenient to adjust, and the telescopic pillars can be matched with the folding component for use to improve the support stability. Simultaneously the spacing groove, prevent empting the bottom plate and be located same horizontal central line with telescopic prop's bottom, the lower pole that can supply telescopic prop inside the spacing inslot that is hollow column structure runs through, the end of preventing empting the bottom plate is arc-shaped tilting column structure and can avoids to the both sides slope, the bottom plate of preventing empting that bilateral symmetry set up simultaneously can strengthen stability, play the effect of preventing empting, be convenient for rotate through the second loose axle and prevent empting the bottom plate, so that fold and accomodate preventing empting the bottom plate, can rotate the adjustment extension board through first loose axle, make things convenient for the regulation of extension board.

Drawings

Fig. 1 is a schematic side view of an outer body of a distance meter in an anti-toppling foldable distance measuring instrument provided by the invention.

Fig. 2 is a schematic front view of the anti-toppling foldable distance measuring instrument provided by the present invention.

Fig. 3 is a schematic view of the anti-toppling foldable distance measuring instrument according to the present invention after being folded.

Fig. 4 is a schematic top view of the anti-toppling bottom plate of the anti-toppling foldable distance measuring instrument provided by the invention.

Fig. 5 is an enlarged schematic structural view of a dust removing assembly in the anti-toppling foldable distance measuring instrument provided by the invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 1.

Reference is made to the accompanying drawings in which:

1. a rangefinder outer body; 2. a display screen; 3. an eyepiece; 4. a ventilation and heat dissipation groove; 5. a handle; 6. heat dissipation fins; 7. a rubber protective layer; 8. an objective lens; 9. an outer protective shell; 10. a dust removal assembly; 1001. a wind shell; 1002. an air outlet; 1003. a fan; 1004. a micro motor; 1005. a motor shaft; 1006. rotating the plate; 1007. dust removal wiping; 11. a connecting assembly; 1101. a carrier plate; 1102. a rubber cushion layer; 1103. fixing the bolt; 12. a rotating shaft; 13. a support plate; 14. a supporting seat; 15. a collapsible bracket assembly; 1501. a side rotating shaft; 1502. a telescopic strut; 1503. a central rotating shaft; 1504. a central support; 16. a folding assembly; 1601. a first movable shaft; 1602. a support plate; 1603. a second movable shaft; 1604. the anti-toppling bottom plate; 1605. a limiting groove; 17. a limiting component; 1701. a chute; 1702. a slider; 1703. an outer rotating shaft; 1704. a limiting rotating plate; 1705. and locking the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 4, the anti-toppling foldable distance measuring instrument provided by the invention comprises a distance measuring instrument outer body 1 and a foldable support assembly 15, wherein a display screen 2 is arranged on one side of the distance measuring instrument outer body 1, an eyepiece 3 is arranged on the rear side of the distance measuring instrument outer body 1, and an objective lens 8 is arranged on the front side of the distance measuring instrument outer body 1; the distance meter outer body 1 is provided with a light emitter and a control circuit, light emitted by the light emitter is reflected by a measured object and received by an objective lens 8 after being transmitted to the measured object, the control circuit calculates the distance of the measured object according to the time of transmission and reflection, the distance is displayed by a display screen, and the eyepiece 3 is an observation mirror which can rotate, focus and observe the measured object in front.

The outside of the outside body 1 rear side of distancer is provided with ventilation cooling groove 4, and the upper portion of the outside body 1 of distancer is fixed with handle 5, the outer body 1 of portable distancer. On the outer body 1 of distancer, one side that is located the display screen runs through has heat radiation fins 6 for make the quick heat dissipation of light emitter transmission laser's heat fast, the outside of display screen 2 is provided with rubber inoxidizing coating 7, can prevent that display screen 2 from damaging.

The downside of the outer body 1 of distancer is provided with coupling assembling 11, and coupling assembling 11 is located promptly between the outer body 1 of distancer and backup pad 13, coupling assembling 11 includes loading board 1101, rubber cushion 1102 and fixing bolt 1103, and the upside of loading board 1101 is glued joint rubber cushion 1102, and the both sides of loading board 1101 are all fixed fixing bolt 1103, the lower part of loading board 1101 is provided with rotation axis 12, and the backup pad 13 is installed to the lower part of rotation axis 12, and the lower part of rotation axis 12 is connected with backup pad 13 promptly, and the downside of backup pad 13 is fixed with supporting seat 14.

The foldable bracket assembly 15 is mounted on the lower side of the support base 14, and the foldable bracket assembly 15 includes a side rotation shaft 1501, a telescopic support 1502, a central rotation shaft 1503 and a central support 1504, wherein the side rotation shaft 1501 is disposed on both sides of the support base 14, the telescopic support 1502 is mounted on the side rotation shaft 1501, the central rotation shaft 1503 is disposed in the middle of the lower portion of the support base 14, and the central support 1504 is mounted on the lower portion of the central rotation shaft 1503.

Referring to fig. 2-3, the folding assemblies 16 are mounted on both sides of the central pillar 1504, and each folding assembly 16 includes a first movable shaft 1601, a support plate 1602, a second movable shaft 1603 and an anti-toppling bottom plate 1604, one end of the support plate 1602 is pivotally connected to the central pillar 1504 through the first movable shaft 1601, the other end of the support plate 1602 is pivotally connected to one end of the anti-toppling bottom plate 1604 through the second movable shaft 1603, and a limit groove 1605 is formed in the middle of the anti-toppling bottom plate 1604; two sets of anti-falling bottom plates 1604 are symmetrically arranged around the vertical center line of the central strut 1504 (namely, two anti-falling bottom plates 1604 are symmetrically arranged relative to the central strut 1504 in the axial direction), the tail ends of the anti-falling bottom plates 1604 are arc-shaped tilting structures, the limiting grooves 1605 are hollow grooves (namely sliding grooves with one side open), the tail ends of the limiting grooves are in an unsealed state, the lower rods 1505 of the telescopic struts 1502 are arranged in the limiting grooves 1605 in a penetrating manner and can move (or slide) in the limiting grooves 1605, and the positions of the lower rods 1505 of the telescopic struts 1502 in the limiting grooves 1605 can be controlled according to the folding or spreading state. During folding, the lower bar 1505 may slide out from the end of the anti-tipping bottom panel 1604, folding the folding assembly 16 into the configuration shown in figure 3.

When the range finding operation, the end of preventing toppling bottom plate 1604 is arc tilting column structure and can avoid inclining to both sides, the bottom plate 1604 that prevents toppling that bilateral symmetry set up simultaneously can strengthen stability, play the effect of preventing toppling, spacing groove 1605, prevent toppling bottom plate 1604 and telescopic strut 1502's upper end is located same horizontal central line (also can understand on same horizontal plane), telescopic strut 1502's lower extreme rotatable coupling 1505 and telescopic strut 1502, when collapsible bracket component (15) are folded, lower beam 1505 rotates certain angle, make its terminal roll-off from preventing toppling bottom plate 1604 of fast breaking away from of spacing groove 1605.

Referring to fig. 2-3, two telescopic supports 1502 are symmetrically disposed about the vertical center line of the support plate 13 and the support base 14, and the telescopic supports 1502 are rotatably connected to the support base 14 via a side rotating shaft 1501.

Can carry out the atress through central strut 1504 to the lower part of supporting seat 14 and support, be convenient for rotate the inclination of adjustment telescopic strut 1502 through side pivot 1501, and the symmetry sets up two telescopic struts 1502 and can carry out the stable stay to the lower part of central strut 1504, and telescopic strut 1502 is hydraulic telescoping rod, is convenient for adjust and supports length to telescopic strut 1502 can use with folding assembly 16 cooperation and improve support stability.

Referring to fig. 4, a limiting assembly 17 is disposed on the upper portion of the anti-toppling bottom plate 1604, the limiting assembly 17 includes a sliding groove 1701, a sliding block 1702, an outer rotating shaft 1703, a limiting rotating plate 1704 and a locking bolt 1705, the sliding groove 1701 is disposed on two sides of the upper portion of the anti-toppling bottom plate 1604, the sliding block 1702 is slidably disposed in the sliding groove 1701, the outer rotating shaft 1703 is mounted on the outer side of the upper portion of the sliding block 1702, the limiting rotating plate 1704 is fixed on the outer portion of the outer rotating shaft 1703, and the upper portion of the limiting rotating plate 1704 penetrates through the locking bolt 1705; the limit rotating plate 1704 is connected with the slide block 1702 in a rotating way through an outer rotating shaft 1703, and one side of the limit rotating plate 1704 is in a fan-shaped opening structure.

The transverse position of the sliding block 1702 can be adjusted by sliding the sliding block 1702 in the sliding groove 1701, so that the position of the limit rotating plate 1704 can be adjusted according to the inclination angle of the telescopic strut 1502, the rotation of the limit rotating plate 1704 can be adjusted by rotating the outer rotating shaft 1703 conveniently, the limit rotating plate 1704 can be fixed by locking the locking bolt 1705 conveniently, one side of the fan-shaped opening of the limit rotating plate 1704 can be attached to the outer side of the lower rod 1505 of the telescopic strut 1502, the two opposite limit rotating plates 1704 can be clamped and positioned on the lower rod of the telescopic strut 1502, the limit rotating plate 1704 can rotate by a certain angle to prevent the limit groove, and the lower rod 1505 of the telescopic strut 1502 can slide out conveniently.

Referring to fig. 2, the plate 1101 is connected to the outer body 1 of the range finder by a fixing bolt 1103, and the plate 1101 is connected to the supporting plate 13 by a rotation shaft 12.

Fixing bolt 1103 is convenient for be fixed in the upper portion of loading board 1101 with distancer outer body 1, and the setting of rubber cushion 1102 can play skid-proof effect, is convenient for rotate orientation facing of loading board 1101 and distancer outer body 1 through rotation axis 12.

Referring to fig. 5 and 6, an outer protective casing 9 is fixed outside an objective lens 8, a dust removal assembly 10 is installed on one side of an inner wall of the outer protective casing 9, the dust removal assembly 10 includes an air casing 1001, an air outlet 1002, a fan 1003, a micro motor 1004, a motor shaft 1005, a rotating plate 1006 and a dust removal wiper 1007, the air outlet 1002 is arranged on one side of the air casing 1001, the fan 1003 is installed inside the air casing 1001, the micro motor 1004 is installed in an inner cavity of the upper side and the lower side of the inner wall of the outer protective casing 9, the motor shaft 1005 is arranged on one side of the micro motor 1004, the rotating plate 1006 is fixed on one side of the motor shaft 1005, and the dust removal wiper 1007 is arranged on the inner side of the rotating plate 1006; the rotating plate 1006 and the dust removing wiper 1007 are rotatably connected with the outer casing 9 through the motor shaft 1005, and the rotating plate 1006 and the dust removing wiper 1007 are both in arc-shaped structures.

When removing dust, blow to air outlet 1002 one side of wind-powered housing 1001 through fan 1003, can form the air curtain, carry out wind-force dust removal to objective 8's surface, can drive the rotation of changeing board 1006 and dust removal and wiping 1007 through micro motor 1004 and motor shaft 1005 simultaneously, make the dust removal wipe 1007 can clean the dust removal to objective 8's surface, change board 1006 and dust removal and wipe 1007 all to be the arc column structure and can turn round to circular shape outer protecting sheathing 9 edge, accord with outer protecting sheathing 9's operation requirement, can not influence objective 8's use yet, wind-force removes dust and the mode of wiping the dust removal combines together and can make dust removal effect better, avoid influence range finding detection such as objective 8 surface adhesion dust.

For better understanding of the anti-toppling foldable distance measuring instrument of the present invention, the operation of the present invention will be described in detail with reference to fig. 1 to 6:

when the range finder outer body 1 is used, firstly, the range finder outer body 1 can be fixed on the upper sides of a bearing plate 1101 and a rubber cushion 1102 through a fixing bolt 1103, then the anti-toppling bottom plate 1604 can be put down through rotation of a second movable shaft 1603, so that the anti-toppling bottom plate 1604 is located on a horizontal plane, then the lower part of a supporting seat 14 can be stressed and supported through a central strut 1504, the inclination angles of telescopic struts 1502 can be adjusted through rotation of a side rotating shaft 1501, so that the lower parts of the central strut 1504 can be stably supported through two symmetrically arranged telescopic struts 1502, then the supporting lengths of the telescopic struts 1502 can be adjusted, and the lower rod positions of the telescopic struts 1502 can penetrate through and be embedded into a limiting groove 1605 which is of a hollow structure in the middle of the anti-toppling bottom plate 1604;

at this time, the transverse position of the slider 1702 can be adjusted by sliding the slider 1702 in the sliding slot 1701, so that the position of the limit rotating plate 1704 can be adjusted according to the inclination angle of the telescopic strut 1502, the rotation of the limit rotating plate 1704 can be adjusted by rotating the outer rotating shaft 1703, and then the limit rotating plate 1704 is locked and fixed by the locking bolt 1705, so that one side of the fan-shaped opening of the limit rotating plate 1704 can be attached to the outer side of the lower rod of the telescopic strut 1502, so that the two opposite limit rotating plates 1704 can be clamped and positioned on the lower rod of the telescopic strut 1502, and finally the telescopic strut 1502 can be matched with the folding assembly 16 to improve the support stability;

in the using process, the tail end of the anti-toppling bottom plate 1604 is in an arc-shaped tilting structure and can be prevented from inclining towards two sides, meanwhile, the anti-toppling bottom plates 1604 symmetrically arranged on two sides can enhance the stability and play a role in preventing toppling, the anti-toppling bottom plate 1604 can be rotated through the second movable shaft 1603 after the anti-toppling bottom plate is used so as to be folded and stored, then the range finder outer body 1 is used, the display screen 2 is arranged so as to display the range finding result, the arrangement of the ventilation and heat dissipation grooves 4 and the heat dissipation fins 6 is used for facilitating the heat dissipation of the range finder outer body 1, and the bearing plate 1101 and the direction facing direction of the range finder outer body 1 can be moved through the rotating shaft 12;

when there is dirty dust on objective 8 surface, can blow to air outlet 1002 one side of fan 1001 through fan 1003, form the air curtain and carry out wind-force dust removal to objective 8's surface, drive the rotation of changeing board 1006 and dust removal brush 1007 through micro motor 1004 and motor shaft 1005 simultaneously, make the dust removal wipe 1007 clean the dust removal to objective 8's surface, change board 1006 and dust removal wipe 1007 and all be the arc column structure and can turn round to circular shape outer protecting casing 9 edge, accord with outer protecting casing 9's operation requirement, can not influence objective 8's use yet, wind-force removes dust and the mode of wiping the dust removal combines together and can make dust removal effect better, avoid objective 8 surface adhesion dust etc. to influence the range finding detection, accomplish the use of whole collapsible distance measuring apparatu that prevents empting just so.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. this prevent collapsible distance measuring apparatu of empting can remove dust to objective to collapsible bracket component is adjustable, can prevent empting bottom plate reinforcing supporting structure's stability through setting up in the level on ground moreover.

2. This prevent collapsible distancer of empting is provided with the outer body of distancer, the setting of display screen is convenient for show range finding result, the setting of ventilation cooling groove and heat radiation fins is convenient for the heat dissipation of the outer body of distancer, be convenient for be fixed in the upper portion of loading board with the outer body of distancer through fixing bolt, the setting of rubber cushion layer can play skid-proof effect, and the outer body of distancer can be dismantled alone and use the handle to carry out portable handheld, be convenient for rotate the orientation of the outer body of loading board and distancer through the rotation axis, it is nimble to use.

3. This prevent collapsible distance measuring apparatu that emptys is provided with the dust removal subassembly, blow to air outlet one side of wind shell through the fan, can form the air curtain, carry out wind-force to the surface of objective and remove dust, can drive the rotation of changeing the board and removing dust through micro motor and motor shaft simultaneously and wipe, make the dust removal wipe and to clean the dust removal to the surface of objective, change the board and remove dust and wipe all to be arc column structure and can turn round to circular shape outer protective housing edge, accord with the operation requirement of outer protective housing, can not influence the use of objective yet, wind-force removes dust and the mode of cleaning the dust combines together and can make dust removal effect better, avoid influence range finding detection such as objective surface adhesion dust.

4. This prevent collapsible distancer of empting is provided with collapsible bracket component, can carry out the atress through the central pillar and support the lower part of supporting seat, is convenient for rotate the inclination of adjustment telescopic prop through the side pivot, and the symmetry sets up two telescopic prop and can carry out the stable stay to the lower part of central pillar, and telescopic prop is hydraulic telescoping rod, is convenient for adjust and supports length to telescopic prop can use with the folding assembly cooperation and improve support stability.

5. This prevent collapsible distance measuring apparatu of empting is provided with folding assembly, the spacing groove, prevent empting the bottom plate and be located same horizontal central line with telescopic prop, the lower bar that telescopic prop can be run through to the spacing inslot portion that is hollow column structure, the end that prevents empting the bottom plate is arc tilting column structure and can avoids to the both sides slope, the bottom plate of preventing empting that bilateral symmetry set up simultaneously can strengthen stability, play the effect of preventing empting, be convenient for rotate through the second loose axle and prevent empting the bottom plate, so that fold and accomodate preventing the bottom plate, can rotate the adjustment extension board through first loose axle, make things convenient for the regulation of extension board.

6. This prevent collapsible distance measuring apparatu that emptys is provided with spacing subassembly, can adjust the transverse position of slider through the slider slides in the inside of spout, so that the position of the spacing commentaries on classics board of inclination adjustment according to telescopic prop, be convenient for rotate the turning to of the spacing commentaries on classics board of adjustment through the outer pivot, be convenient for lock fixedly to spacing commentaries on classics board through locking bolt, make its fan-shaped opening form one side can paste in telescopic prop's the lower beam outside, thereby make two relative spacing commentaries on classics boards can carry out the block location to telescopic prop's lower beam, realize telescopic prop's fixed stay.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims

1. The anti-toppling foldable distance measuring instrument is characterized by comprising a distance measuring instrument outer body (1) and a foldable support assembly (15), wherein a display screen (2) for displaying measured data is arranged on one side of the distance measuring instrument outer body (1), an ocular lens (3) is arranged on the rear side of the distance measuring instrument outer body (1), and an objective lens (8) is arranged on the front side of the distance measuring instrument outer body (1); a support plate (13) is installed on the lower side of the outer body (1) of the range finder, a support seat (14) is fixed on the lower side of the support plate (13), the foldable bracket assembly (15) is arranged on the lower side of the support seat (14) and comprises a side rotating shaft (1501), a telescopic strut (1502), a central rotating shaft (1503) and a central strut (1504), the side rotating shaft (1501) is arranged on each of two sides of the support seat (14), the telescopic strut (1502) is installed on the side rotating shaft (1501), the central rotating shaft (1503) is arranged in the middle of the lower portion of the support seat (14), and the central strut (1504) is installed on the lower portion of the central rotating shaft (1503);

folding assembly (16) are all installed to the both sides of central strut (1504), folding assembly (16) include first loose axle (1601), extension board (1602), second loose axle (1603) and prevent empting bottom plate (1604), and the one end of extension board (1602) is passed through first loose axle (1601) and central strut (1504) pin joint, the other end of extension board (1602) pass through second loose axle (1603) and prevent the one end pin joint of empting bottom plate (1604), and prevent that the middle part of empting bottom plate (1604) has seted up spacing groove (1605).

2. The anti-toppling foldable distance measuring instrument according to claim 1, wherein a connecting assembly (11) is arranged between the outer distance measuring instrument body (1) and the supporting plate (13), the connecting assembly (11) comprises a bearing plate (1101), a rubber cushion layer (1102) and a fixing bolt (1103), the upper side of the bearing plate (1101) is glued to the rubber cushion layer (1102), the fixing bolt (1103) is fixed to both sides of the bearing plate (1101), and a rotating shaft (12) is arranged at the lower part of the bearing plate (1101) and connected with the supporting plate (13).

3. The anti-toppling foldable distance measuring instrument according to claim 2, characterized in that two telescopic struts (1502) are arranged symmetrically with respect to the axial direction of the support plate (13), and the telescopic struts (1502) are connected with the support base (14) in a rotating manner through the side rotating shafts (1501).

4. The anti-toppling foldable distance measuring instrument according to claim 1, wherein two sets of anti-toppling bottom plates (1604) are arranged symmetrically with respect to the axial direction of the central pillar (1504), and the ends of the anti-toppling bottom plates (1604) are in arc-shaped tilting structures.

5. The anti-toppling foldable distance measuring instrument according to claim 1, wherein the limiting groove (1605) is a hollow-shaped groove.

6. The anti-toppling foldable distance measuring instrument according to claim 1, wherein a limiting assembly (17) is arranged at the upper part of the anti-toppling bottom plate (1604), the limiting assembly (17) comprises a sliding groove (1701), a sliding block (1702), an outer rotating shaft (1703), a limiting rotating plate (1704) and a locking bolt (1705), the sliding groove (1701) is arranged at two sides of the upper part of the anti-toppling bottom plate (1604), the sliding block (1702) is arranged in the sliding groove (1701) in a sliding manner, the outer rotating shaft (1703) is arranged at the outer side of the upper part of the sliding block (1702), the limiting rotating plate (1704) is fixed at the outer part of the outer rotating shaft (1703), and the locking bolt (1705) penetrates through the upper part of the limiting rotating plate (1704).

7. The toppling-proof foldable distance measuring instrument according to claim 6, wherein the rotation limiting plate (1704) is rotatably connected with the slide block (1702) through an outer rotating shaft (1703), and one side of the rotation limiting plate (1704) is in a fan-shaped opening structure.

8. The anti-toppling foldable distance measuring instrument according to claim 2, wherein an outer protective casing (9) is fixed to the outside of the objective lens (8), and one side of the inner wall of the outer protective shell (9) is provided with a dust removal component (10), the dust removal component (10) comprises an air shell (1001), an air outlet (1002), a fan (1003), a micro motor (1004), a motor shaft (1005), a rotating plate (1006) and a dust removal wiper (1007), one side of the air shell (1001) is provided with the air outlet (1002), the fan (1003) is arranged in the wind shell (1001), the micro motor (1004) is arranged in the inner cavities of the upper side and the lower side of the inner wall of the outer protective shell (9), the motor shaft (1005) is arranged on one side of the micro motor (1004), the rotating plate (1006) is fixed on one side of the motor shaft (1005), and the dust removing wiper (1007) is arranged on the inner side of the rotating plate (1006).

9. The anti-toppling foldable distance measuring instrument according to claim 8, wherein the rotating plate (1006) and the dust removing eraser (1007) are rotatably connected with the outer casing (9) through a motor shaft (1005), and the rotating plate (1006) and the dust removing eraser (1007) are both arc-shaped structures.

10. The anti-toppling collapsible distance measuring instrument of claim 2, characterized in that the carrier plate (1101) is bolted to the outer body (1) of the distance measuring instrument by means of a fixing bolt (1103), and the carrier plate (1101) is rotatably connected to the support plate (13) by means of a rotating shaft (12).