CN218066509U

CN218066509U - Measuring datum point position protection box capable of being automatically closed

Info

Publication number: CN218066509U
Application number: CN202221920632.6U
Authority: CN
Inventors: 肖依霖; 刘仁鹏; 于文庆; 万超杰; 马小乐; 刘治栋; 向炳兰
Original assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Current assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-16
Anticipated expiration: 2032-07-20

Abstract

The utility model provides a but self-closing's measurement reference point position guard box. The measuring datum point position protection box comprises a box body and a box door, wherein the box body and the box door are covered outside the measuring datum point position body; the automatic reset mechanism comprises a reset connecting rod, a first slide rod and a second slide rod, wherein the first slide rod is vertically arranged on one side of the box body, which is far away from the locking mechanism, and the second slide rod is transversely arranged on the box door; the two ends of the reset connecting rod are respectively connected with the first sliding rod and the second sliding rod in a sliding mode through the first sliding block and the second sliding block, and the second sliding block is provided with a reset spring. The utility model discloses can effectually avoid the staff because forget the measurement reference point position body that closes the chamber door and cause impaired, and then can effectually avoid because the impaired economic loss who causes of measurement reference point position body.

Description

Measuring datum point position protection box capable of being automatically closed

Technical Field

The utility model relates to an engineering survey field specifically is a but self-closing's measurement reference point position guard box.

Background

The origin serving as a standard in engineering measurement is called a measurement reference point, and is classified according to purposes, such as an elevation reference point, a gravity reference point, and a geomagnetic reference point.

Along with current building engineering's construction requirement is higher and higher, also is higher and higher to the precision of engineering survey and drawing, so the protection requirement of datum point position is crucial, if the datum point suffers damage, the error will appear in the measured data to lead to local rework, delay the time limit for a project and bring huge loss even.

Patent No. CN 212927103U's utility model discloses a protection device for measuring reference point location, the device can realize the purpose to measuring the protection of reference point location when using, but the chamber door of the device needs the manual work to go to be closed, may forget to close the chamber door when the workman opens the chamber door and watches, if forget to close the chamber door or the chamber door closes the compactness not good, this protection device's just can not play the guard action, still can have the measuring reference point location and produce skew or damaged problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but self-closing's measurement reference point location guard box in order to compensate prior art not enough, can self-closing after opening of the chamber door of this guard box to can avoid forgetting the problem that the pipe chamber door leads to protection device can't carry out the protection to measuring the reference point location because of the staff.

In order to realize above-mentioned technical purpose, the utility model provides a but self-closing's measurement reference point position guard box, measurement reference point position guard box includes uncovered formula protection box, the protection box cover is established and is being had measurement reference point position this external, is equipped with the chamber door at the uncovered face of protection box, one side of chamber door is through round pin axle and protection box hinged joint, its characterized in that: the hinge connection side of the box door and the protective box body is provided with an automatic reset mechanism, and the opposite side of the automatic reset mechanism is provided with a locking mechanism; the automatic reset mechanism comprises a first slide bar vertically arranged on one side of the box body far away from the locking mechanism, a second slide bar transversely arranged on the box door and a reset connecting rod connected between the first slide bar and the second slide bar, the second slide bar is mutually vertical to the first slide bar, and the second slide bar horizontally extends to one side of the box door where the locking mechanism is arranged; one end of the reset connecting rod is connected with the first sliding rod in a sliding mode through the first sliding block, the other end of the reset connecting rod is connected with the second sliding rod in a sliding mode through the second sliding block, a reset spring is arranged on one side, away from the locking mechanism, of the second sliding block, one end of the reset spring is connected to the second sliding block, the other end of the reset spring is fixed to the fixing end face of the second sliding rod, the box door is closed under the normal telescopic state of the reset spring, and the reset spring is in a compression state when the box door is opened.

The utility model discloses further technical scheme: the locking mechanism comprises a connecting clamping block arranged on the box door cover closing surface, a clamping groove correspondingly formed in the box body cover closing surface and an elastic lock catch, a reserved groove is formed in the inner side wall of the clamping groove, the elastic lock catch is installed in the reserved groove and comprises an elastic telescopic rod horizontally installed in the reserved groove and a wedge block installed at the end part of the elastic telescopic rod, a shifting rod is arranged on the wedge block, the shifting rod horizontally extends out of the plate surface of the box body, and a first sliding groove is correspondingly formed in the plate surface of the box body; the connecting clamping block is correspondingly provided with a locking groove, the wedge-shaped block is driven to move and separate from the locking groove under the action of the driving lever and the elastic telescopic rod, and the wedge-shaped block is embedded into the locking groove in the reset state of the elastic telescopic rod.

The utility model discloses better technical scheme: the top surface of the box door is provided with a handle, the outer surface of the handle is provided with anti-skid grains, the inner side wall of the box body is fixedly connected with two symmetrical installation pieces, and the inner walls of the installation pieces are in threaded connection with bolts; the reset connecting rod is not in contact with the measuring datum point body in the moving process.

The utility model discloses better technical scheme: the first sliding rod is arranged on a middle dividing line of the box body, a second sliding groove is vertically formed in the inner side wall of the box body, the first sliding rod is vertically fixed in the second sliding groove, the first sliding block is sleeved on the first sliding rod in a sliding mode, the upper surface and the lower surface of the first sliding block respectively pass through the upper end face and the lower end face of the second sliding groove, and the telescopic spring is sleeved outside the first sliding rod.

The utility model discloses better technical scheme: the second sliding rod is arranged on the middle dividing line of the box door, a third sliding groove is correspondingly formed in the box door, the second sliding rod is fixedly installed in the third sliding groove, the reset spring sleeve is arranged on the second sliding rod in a sleeved mode, one end of the reset spring is fixed to the second sliding block, and the other end of the reset spring is fixed to the end face, close to the first sliding rod, of the third sliding groove.

The utility model discloses better technical scheme: and two ends of the reset connecting rod are respectively hinged with the first sliding block and the second sliding block through pin shafts.

The utility model discloses better technical scheme: the elastic telescopic rod comprises a telescopic rod and a telescopic spring, the telescopic spring is sleeved on the telescopic rod, one end of the telescopic spring is fixed on the end face of the preformed groove, and the other end of the telescopic spring is connected with the wedge block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a mutually supporting between guard box and the chamber door can be effectual plays the effect of protection to measuring the reference point position body, and its chamber door is equipped with self-closing mechanism, can effectually avoid the staff because forget to close the measuring reference point position body that the chamber door caused impaired, and then can effectually avoid because measuring the economic loss that the reference point position body is impaired to cause.

2. The utility model discloses a latched device can realize closing the automatic purpose of locking in the back at the chamber door lid, has further guaranteed that the chamber door closes the effect with the lid of box, and opens the side, and operating personnel can open latched device through the driving lever.

Drawings

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

fig. 2 is a schematic view of the cross-sectional structure of the resetting mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the case of the present invention;

fig. 4 is a sectional view of the lock part of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the figure: 1, a box body; 2-a first chute; 3, a box door; 4-a handle; 5, a deflector rod; 6, an elastic telescopic rod; 7-a third chute; 8, locking a groove; 9-a wedge-shaped block; 10, connecting a clamping block; 11-a card slot; 12-reserving a groove; 13-mounting pieces; 14-bolt; 15 — a first slide bar; 16-a telescoping spring; 17-measuring datum positions; 18-a reset link; 19-a second runner; 20 — a first slide; 21-a second slide bar; 22-a return spring; 23-second slider.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a protection device of measurement reference point position, and the device can effectually avoid nitre personnel because forget to close the impaired measuring reference point position body 17 that chamber door 3 caused, and then can effectually avoid because the impaired economic loss who causes of measuring reference point position body 17.

Referring to fig. 1 to 4, the protection device for measuring a datum position provided by the embodiment includes a protection box 1, the protection box 1 is made of a material with high hardness, and needs to have a light weight function, so that the safety of the device can be effectively improved, and the device can be effectively prevented from being too heavy and difficult to carry.

Protection box 1 is uncovered formula protection box 1, protection box 1 covers and establishes outside having measurement reference point position body 17, and measurement reference point position body 17 need have the clear purpose of sign, can make things convenient for operating personnel to look for, and two symmetrical installation pieces 13 of protection box 1's inside wall fixedly connected with, the inner wall threaded connection of installation piece 13 has bolt 14, can make the device fix the position that needs through mutually supporting between installation piece 13 and the bolt 14. The door is arranged on the open face of the protection box body 1, one side of the door 3 is hinged with the protection box body 1 through a pin shaft, the automatic reset mechanism is arranged on the side, connected with the hinge of the protection box body 1, of the door 3, the locking mechanism is arranged on the opposite side of the door, the corners of the door 3 are passivated, and operators can be effectively prevented from being scratched during carrying. The upper surface fixedly connected with handle 4 of fox chamber door is searched to the book, and anti-skidding line has been seted up to the surface of handle 4, can make operating personnel more convenient when opening chamber door 3 through handle 4.

As shown in fig. 2 and 3, the automatic reset mechanism in the embodiment includes a first slide bar 15 vertically disposed on a side of the box body 1 away from the locking mechanism, a second slide bar 21 transversely disposed on the box door 3, and a reset link 18 connected between the first slide bar and the second slide bar 21, wherein the reset link 18 is made of a material with high hardness, so as to increase the stability of the device. The second sliding rod 21 is perpendicular to the first sliding rod 15, and the second sliding rod 21 extends horizontally to one side of the box door where the locking mechanism is arranged; one end of the reset connecting rod 18 is connected with the first sliding rod 15 in a sliding mode through a first sliding block 20, the other end of the reset connecting rod is connected with the second sliding rod 21 in a sliding mode through a second sliding block 23, and two ends of the reset connecting rod 18 are connected with the first sliding block 20 and the second sliding block 23 in a hinged mode through hinge pins respectively. First slide bar 15 sets up on the branch line of box 1 to at the vertical second spout 19 of having seted up of the inside wall of box 1, the inner wall coefficient of friction of second spout 19 is less, and the wearing and tearing that produce are less when first slider 20 is gliding, first slide bar 15 is vertical to be fixed in second spout 19, and first slider 20 slip cover is established on first slide bar 15, and the upper and lower face of first slider 20 is respectively through the upper and lower terminal surface of expanding spring 16 with second spout 19, and expanding spring 16 cover is established outside first slide bar 15, can play spacing purpose to expanding spring 16 and first slider 20 through first slide bar 15. The elastic coefficient of the telescopic spring 16 is large, the telescopic spring 16 has an automatic resetting function after being deformed, and the device cannot exceed the deformation degree of the telescopic spring 16 during operation. The second sliding rod 21 is arranged on a middle dividing line of the box door 3, a third sliding groove 7 is correspondingly formed in the box door 3, the second sliding rod 21 is fixedly installed in the third sliding groove 7, a return spring 22 is arranged on one side, away from the locking mechanism, of the second sliding block 23, the return spring 22 is sleeved on the second sliding rod 21, one end of the return spring 22 is fixed on the second sliding block 23, the other end of the return spring is fixed on the end face, close to the first sliding rod 15, of the third sliding groove 7, the box door 3 is in a closed state under the normal telescopic state of the return spring 22, and the return spring 22 is in a compressed state when the box door 3 is opened. The reset link 18 does not contact the reference point measuring body 17 during the movement.

The protection device of measurement reference point position that this embodiment provided, as shown in fig. 4 and fig. 5, locking mechanism has seted up the draw-in groove 11 and the elasticity hasp that closes the face at 1 lid of box including setting up at 3 lid of chamber door connection fixture block 10, corresponding at draw-in groove 11 of closing the face at the box, has seted up the provided groove 12 at the inside wall of draw-in groove 11, the elasticity hasp is installed in provided groove 12, the coefficient of friction of draw-in groove 11 and provided groove 12 inner wall is less, can reduce the wearing and tearing that wedge 9 produced when sliding. Elastic lock catch includes elastic telescopic rod 6 of horizontal installation in reservation tank 12 and installs the wedge 9 at 6 tip of elastic telescopic rod, be equipped with driving lever 5 on the wedge 9, driving lever 5 level stretches out the face of box 1 to correspond at the face of box 1 and be equipped with first spout 2, driving lever 5 can be along slide about first spout 2, and the coefficient of friction of the 2 inner walls of first spout is less, can reduce the wearing and tearing that produce when handle 5 slides. The locking groove 8 is correspondingly formed in the connecting clamping block 10, the thickness value of the connecting clamping block 10 is smaller than that of the clamping groove 11, when the box door 3 is covered with the box body 1, the connecting clamping block 10 is embedded into the clamping groove 11, then the wedge block 9 is driven to move under the action of the deflector rod 5 and the elastic telescopic rod 6 to be separated from the locking groove 8, the wedge block 9 is embedded into the locking groove 8 in the reset state of the elastic telescopic rod 6, and the limiting purpose can be achieved for the clamping block 10 through the wedge block 9. Elastic telescopic rod 6 includes that telescopic link and cover establish the expanding spring on the telescopic link, expanding spring one end is fixed at the terminal surface of reservation groove 12, and the other end is connected with wedge 9, and the elasticity that produces when deforming through expanding spring can promote wedge 9 automatic re-setting, can play support and spacing purpose to expanding spring and wedge 9 through the telescopic link, can drive wedge 9 and remove through removing driving lever 5.

The utility model discloses the working process: the utility model discloses during the use, at first fix the device to the position that needs through installation piece 13 and bolt 14, observe measuring reference point location body 17 by operating personnel at first remove driving lever 5 when needs, removal through driving lever 5 can drive wedge 9 and remove, and then can drive elasticity telescopic link 6 and contract, after wedge 9 is not spacing to fixture block 10, through handle 4 pulling chamber door 3, along with opening of chamber door 3 can drive second slider 23 and remove along second slide bar 21, and then can slide on first slide bar 15 through 18 pulling first slider 20 of reset connecting rod, can drive expanding spring 16 along with the slip of first slider 20 and stretch out and draw back, open at chamber door 3 in-process alright slide at the inner wall of chamber door 3 through 18 pulling second slider 23 of reset connecting rod, and then can drive reset spring 22 and contract, operating personnel only need loosen chamber door 3 after observing measuring reference point location 17, the elasticity that produces when can drive 3 through expanding spring 16 and reset spring 22 deformation drives 3, when descending and when covering with box 1, and then connect that the wedge 9 stretches into the wedge 9 and push away the wedge 9 and connect the wedge 9 and push away the wedge 9 and insert the wedge 9 and push away the wedge 9 and connect the wedge 9 and drop to the fixture block 9 and drop, thereby the wedge 9 and push away the wedge 9 in the wedge 10 connection box door 10 and push away and insert the wedge 10 connection box door, thereby the wedge 9 and push away.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a but self-closing's measurement reference point location guard box, includes uncovered formula guard box body (1), guard box body (1) cover is established outside having measurement reference point location body (17), is equipped with chamber door (3) at the uncovered face of guard box body (1), one side of chamber door (3) is through round pin axle and guard box body (1) hinged joint, its characterized in that: the hinge connection side of the box door (3) and the protective box body (1) is provided with an automatic reset mechanism, and the opposite side of the automatic reset mechanism is provided with a locking mechanism; the automatic reset mechanism comprises a first slide bar (15) vertically arranged on one side, far away from the locking mechanism, of the box body (1), a second slide bar (21) transversely arranged on the box door (3) and a reset connecting rod (18) connected between the first slide bar and the second slide bar (21), the second slide bar (21) and the first slide bar (15) are perpendicular to each other, and the second slide bar (21) horizontally extends to one side, provided with the locking mechanism, of the box door; one end of the reset connecting rod (18) is connected with the first sliding rod (15) in a sliding mode through the first sliding block (20), the other end of the reset connecting rod is connected with the second sliding rod (21) in a sliding mode through the second sliding block (23), one side, far away from the locking mechanism, of the second sliding block (23) is provided with a reset spring (22), one end of the reset spring (22) is connected to the second sliding block (23), the other end of the reset spring is fixed to the fixed end face of the second sliding rod (21), the box door (3) is in a closed state under the normal telescopic state of the reset spring (22), and when the box door (3) is opened, the reset spring (22) is in a compressed state.

2. The automatically closable measurement datum point position protection box according to claim 1, wherein: the locking mechanism comprises a connecting clamping block (10) arranged on the covering surface of the box door (3), a clamping groove (11) correspondingly formed in the covering surface of the box body (1) and an elastic lock catch, a reserved groove (12) is formed in the inner side wall of the clamping groove (11), the elastic lock catch is installed in the reserved groove (12) and comprises an elastic telescopic rod (6) horizontally installed in the reserved groove (12) and a wedge-shaped block (9) installed at the end part of the elastic telescopic rod (6), a shifting rod (5) is arranged on the wedge-shaped block (9), the shifting rod (5) horizontally extends out of the plate surface of the box body (1), and a first sliding groove (2) is correspondingly formed in the plate surface of the box body (1); the connecting clamping block (10) is correspondingly provided with a locking groove (8), the wedge-shaped block (9) is driven to move away from the locking groove (8) under the action of the driving lever (5) and the elastic telescopic rod (6), and the wedge-shaped block (9) is embedded into the locking groove (8) in the reset state of the elastic telescopic rod (6).

3. The automatic-closing measuring datum point protecting box according to claim 1 or 2, characterized in that: the top surface of the box door (3) is provided with a handle (4), the outer surface of the handle (4) is provided with anti-skid grains, the inner side wall of the box body (1) is fixedly connected with two symmetrical installation sheets (13), and the inner wall of each installation sheet (13) is in threaded connection with a bolt (14); the reset connecting rod (18) is not contacted with the measuring datum position body (17) in the moving process.

4. The automatic-closing measuring datum point protecting box according to claim 1 or 2, characterized in that: first slide bar (15) set up on the well line of branch of box (1) to at the vertical second spout (19) of having seted up of the inside wall of box (1), first slide bar (15) are vertical to be fixed in second spout (19), and first slider (20) slip cover is established on first slide bar (15), and the upper and lower face of first slider (20) is respectively through the upper and lower terminal surface of expanding spring (16) and second spout (19), and expanding spring (16) cover establishes outside first slide bar (15).

5. The automatically closable measurement reference point protecting box according to claim 1 or 2, wherein: the second sliding rod (21) is arranged on a middle dividing line of the box door (3), a third sliding groove (7) is correspondingly formed in the box door (3), the second sliding rod (21) is fixedly installed in the third sliding groove (7), the reset spring (22) is sleeved on the second sliding rod (21), one end of the reset spring (22) is fixed on the second sliding block (23), and the other end of the reset spring is fixed on the end face, close to the first sliding rod (15), of the third sliding groove (7).

6. The automatically closable measurement reference point protecting box according to claim 1 or 2, wherein: and two ends of the reset connecting rod (18) are respectively hinged with the first sliding block (20) and the second sliding block (23) through pin shafts.

7. The automatically closable measurement datum point position protection box according to claim 2, wherein: the elastic telescopic rod (6) comprises a telescopic rod and a telescopic spring, the telescopic spring is sleeved on the telescopic rod, one end of the telescopic spring is fixed on the end face of the reserved groove (12), and the other end of the telescopic spring is connected with the wedge block (9).