CN115583413A

CN115583413A - Storage box for precision measurement tool and protection method

Info

Publication number: CN115583413A
Application number: CN202211093225.7A
Authority: CN
Inventors: 陈洁; 徐静芳; 高振红
Original assignee: Wuxi Shenya Measuring Tools Co ltd
Current assignee: Wuxi Shenya Measuring Tools Co ltd
Priority date: 2022-05-31
Filing date: 2022-09-08
Publication date: 2023-01-10
Anticipated expiration: 2042-09-08
Also published as: CN115583413B; CN114987918A

Abstract

The invention discloses a storage box for a precision measurement tool and a protection method, and relates to the technical field of storage of precision measurement tools. The invention has the beneficial effects that: utilize four locating parts to distribute in four corner positions of precision measurement instrument, realize avoiding precision measurement instrument and protective cover inner wall to bump to the spacing purpose of precision measurement instrument, both satisfied the demand of depositing to the precision measurement instrument, can play the guard action to the precision measurement instrument again.

Description

Storage box for precision measurement tool and protection method

Technical Field

The invention relates to the technical field of storage of precision measurement tools, in particular to a storage box for a precision measurement tool and a protection method.

Background

Precision measurement instrument not only can replace the manpower to measure the operation as high precision instrument, can also realize measured data's precision measurement operation, to precision measurement instrument, often used in each place, therefore precision measurement instrument need remove the turnover when using, but precision measurement instrument is under the state of non-protection, in case suffer to collide with, it is great easily to cause measured data's error, seriously probably lead to precision measurement instrument's damage, consequently, the demand adopts and deposits equipment and keep in, but current strorage device is not convenient for fix in depositing equipment when using, during the turnover transportation, the phenomenon of easy appearance and depositing the inside lateral wall collision of equipment, can cause precision measurement instrument to damage.

Disclosure of Invention

The present invention is directed to overcoming the disadvantages of the prior art and providing a storage case for a precision measurement tool and a protection method thereof, which solve the problems of the prior art.

The technical scheme for realizing the purpose is as follows: the utility model provides a precision measurement is case and protection method for instrument, base and lid, the lid comprises two protective covers, and four corners of bottom face of base rotate and are equipped with the universal wheel, as long as exert a horizontal power at the protective cover outer wall, can utilize the universal wheel to promote overall structure and remove the turnover, need not the manpower transport.

The two protective covers are butted together and cover the upper end face of the base, the inner sides of the two protective covers and the upper end face of the base form a storage space for storing precision measurement tools, when the precision measurement tools need to be moved and turned around after use, the precision measurement tools to be turned around and carried are placed on the base, the two protective covers are butted together and then cover the base, and the storage space formed by the inner sides of the two protective covers and the upper end face of the base is used for storing the precision measurement tools.

The handle is all fixed to be equipped with to one side lateral wall that two protective covers kept away from each other, and bare-handed control handle is convenient for slide along the inside horizontal reciprocation of first guide way with the first guide idler on two protective covers, satisfies to open with closed operation demand two protective covers.

Two protective covers one end both sides lateral wall bottom that are close to each other all are equipped with first guiding mechanism, utilize first guiding mechanism, can ensure two protective covers quick relative slip and opposite slip, and two protective covers are laminated together promptly and alternate segregation, and two protective covers can not the dislocation distribution.

First guiding mechanism includes first L type supporting shoe, the first L type supporting shoe of a plurality of is fixed respectively and is set up the one end both sides lateral wall bottom that is close to each other at two protective covers, the other end of first L type supporting shoe rotates and is equipped with first round pin axle, the tip of first round pin axle rotates and is equipped with first guide roller, first guide way has all been seted up to the both sides lateral wall of base, first guide roller rolls and sets up inside same one side first guide way, place the up end at the base with two protective covers, then roll the first guide roller of first round pin hub connection through first L type supporting shoe and set up inside the first guide way that corresponds the position, first guide roller is along the inside reciprocal roll of horizontal of first guide way, can keep away from each other and draw close together the laminating together with two protective covers.

Four corner positions on the base all are equipped with the locating part, and after the precision measurement instrument was placed in parking space, utilize four locating parts to distribute at four corner positions of precision measurement instrument, realize avoiding precision measurement instrument and protective cover inner wall to bump to precision measurement instrument's spacing purpose.

The locating part includes the bracing piece, grafting sleeve and articulated seat, the bracing piece sets up the upper end corner position at the base, the grafting sleeve cup joints at the bracing piece outer wall, the telescopic radial lateral wall of grafting is fixed and is equipped with the extension rod along the distribution of grafting sleeve radial direction, the tip of extension rod is articulated with articulated seat lateral wall, the both sides lateral wall of articulated seat is all fixed and is equipped with arc elasticity grip block, peg graft the sleeve of grafting and utilize the extension rod to vacate the air to articulate the seat after the outer wall of bracing piece and erect, according to the precision measurement instrument size of a dimension of placing on the base, the sleeve of will pegging graft uses the bracing piece to rotate as the center, support on precision measurement instrument's outer wall through the extension rod with the arc elasticity grip block of articulated seat both sides, as long as arc elasticity grip block position does not change, precision measurement instrument position just can not change, remove the turnover in-process just can not take place the collision phenomenon with the protective cover inner wall.

As a preferred technical scheme of the invention: the arc elastic clamping plate is made of stainless steel.

As a preferred technical scheme of the invention: spliced eye has been seted up to articulated seat, the spliced eye internal rotation is pegged graft and is had the regulation pole, two threaded sleeve have been cup jointed through the external screw thread rotation at the both ends of regulation pole, two threaded sleeve's outer wall all articulates there is the hinge bar, the tip of two hinge bars is articulated with the one end that two arc elasticity grip blocks kept away from each other on same articulated seat respectively, bare-handed rotation adjusts the pole, adjust the inside rotation of pole at the spliced eye of articulated seat, pivoted regulation pole utilizes the external screw thread to drive two threaded sleeve along adjusting the pole to the one side adjustment position that closes up or keep away from each other, two threaded sleeve of adjustment position can be through the hinge bar will be to the one end of arc elasticity grip block keep away from articulated seat to one side jack-up that is close to precision measurement instrument, support on precision measurement instrument's outer wall until arc elasticity grip block, strengthen closely measuring instrument's stability of placing, arc elasticity grip block deformation produces the bounce-back potential energy simultaneously.

As a preferred technical scheme of the invention: the ring channel has been seted up to the inside of spliced eye, and the fixed cup joint in outer wall middle section position of adjusting the pole has spacing dish, and spacing dish rotates the joint inside the ring channel, utilizes spacing dish at the inside rotation of ring channel, neither influences adjusting the pole and rotates the regulation, can avoid adjusting the pole again along spliced eye axial direction adjusting position.

As a preferred technical scheme of the invention: arc elasticity grip block is the clamping face towards the lateral wall of one side of treating spacing precision measurement instrument, and the breach of a plurality of evenly spaced apart distribution is seted up to the clamping face of arc elasticity grip block, when arc elasticity grip block produced deformation by the hinge bar jack-up, easily produces deformation in the breach position, helps the tensile production deformation of arc elasticity grip block to support at precision measurement instrument outer wall, in addition, can also be through the frictional force when contacting between breach increase and the precision measurement instrument.

As a preferred technical scheme of the invention: the length sum of two protective covers equals the length of base, and the width of protective cover equals the width of base, and after two protective covers laminating lid closed the base up end together, it has protruding base edge to avoid the protective cover, influences pleasing to the eye.

As a preferred technical scheme of the invention: the tooth's socket that is the annular structure and distributes is seted up to the radial lateral wall in grafting sleeve's inside, the outer wall of bracing piece is fixed be equipped with the tooth's socket joint tooth piece, after the position has been adjusted in the rotation of grafting sleeve, make arc elasticity grip block support on precision measurement instrument's outer wall, with the outer wall gliding of grafting sleeve along the bracing piece, make the tooth's socket of grafting sleeve and the tooth piece joint of bracing piece outer wall, can support arc elasticity grip block on precision measurement instrument's outer wall.

The outer wall of bracing piece is fixed to be cup jointed and to be had the tray that can hold up the grafting sleeve, and tray up end and tooth piece bottom end face fixed connection utilize the tray to hold up the grafting sleeve of adjusting the position, avoid the grafting sleeve to last the gliding along the outer wall of bracing piece, and the influence is spacing to the precision measurement instrument.

As a preferred technical scheme of the invention: the outer wall of extension rod is fixed to have cup jointed the connecting sleeve, the outer wall bottom mounting of connecting sleeve is equipped with the jib, the bottom mounting of jib is equipped with the joint piece, the upper end of base is seted up and is the matching groove that fan-shaped structure distributes with joint piece joint, slide the grafting sleeve along the outer wall of bracing piece, make the telescopic tooth's socket of pegging graft and the tooth piece joint of bracing piece outer wall, the jib drives the joint piece card simultaneously and in the matching inslot that corresponds the position, can restrict post grafting sleeve position and no longer change, extension rod support stability can be strengthened simultaneously.

As a preferred technical scheme of the invention: the front and back lateral wall of base all is equipped with the second guiding mechanism who is located first guide way both sides, utilizes second guiding mechanism can strengthen the stability when two protective covers slide.

The second guiding mechanism comprises a second L-shaped supporting block, a plurality of second L-shaped supporting blocks are respectively and fixedly arranged on two sides of a first guiding groove of the front side wall and a second guiding groove of the rear side wall of the base, a second pin shaft is arranged at the other end of each second L-shaped supporting block in a rotating mode, second guiding rollers are arranged at the end portions of the second pin shaft in a rotating mode, second guiding grooves are formed in the side walls of the front side wall and the rear side wall of each protective cover, the second guiding rollers roll in the second guiding grooves of the same sides of the second guiding grooves, the second guiding rollers connected with the second pin shaft through the second L-shaped supporting blocks roll in the second guiding grooves of the corresponding position protective covers, the second guiding rollers horizontally roll in a reciprocating mode in the second guiding grooves, the two protective covers can be kept away from each other and are mutually closed to be attached to each other through the first L-shaped supporting blocks, and the stability of the two protective covers in sliding position adjustment is enhanced.

The invention has the beneficial effects that:

the invention relates to a storage box for a precision measuring tool and a protection method, when the precision measuring tool needs to be moved and circulated after being used, the precision measuring tool to be circulated and carried is placed on a base, two protection covers are butted together and then are covered on the base, namely, the precision measuring tool is stored by utilizing a storage space formed by the inner sides of the two protection covers and the upper end surface of the base, four limiting pieces are distributed at four corner positions of the precision measuring tool to realize the limiting purpose of the precision measuring tool, the collision between the precision measuring tool and the inner wall of the protection covers is avoided, the storage requirement on the precision measuring tool is met, and the precision measuring tool can be well protected.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of a limiter according to the present invention;

FIG. 3 is a schematic view of a local structure of a position limiting element according to the present invention;

FIG. 4 is a partial exploded view of a limiter according to the present invention;

FIG. 5 is an exploded view of a partial structure of the base and the limiting member according to the present invention;

FIG. 6 is an exploded view of a fourth embodiment of the present invention;

fig. 7 is a schematic diagram of a fourth partial structure according to an embodiment of the present invention.

In the figure: 1. a base; 11. a first guide groove; 12. a universal wheel; 13. a matching groove; 2. a protective cover; 21. a handle; 22. a second guide groove; 3. a first guide roller; 31. a first L-shaped support block; 32. a first pin shaft; 4. a clamping block; 41. a support bar; 42. inserting a sleeve; 43. an extension rod; 44. a hinged seat; 45. an arc-shaped elastic clamping plate; 46. an annular groove; 47. adjusting a rod; 48. a threaded sleeve; 49. a limiting disc; 410. a hinged lever; 411. a tooth block; 412. a tray; 413. a connecting sleeve; 414. a boom; 5. a second guide roller; 51. a second L-shaped support block; 52. and a second pin shaft.

Detailed Description

The invention will be further explained with reference to the drawings.

Example (b): referring to fig. 1 and 3, the present embodiment provides a storage box for a precision measurement tool and a protection method, including a base 1 and a box cover, where the box cover is composed of two protection covers 2, the two protection covers 2 are butted together and cover the upper end surface of the base 1, the inner sides of the two protection covers 2 and the upper end surface of the base 1 form a storage space for storing the precision measurement tool, when the precision measurement tool needs to be moved and turned around after use, the precision measurement tool to be turned around is placed on the base 1, the two protection covers 2 are butted together and then cover the base 1, that is, the storage space formed by the inner sides of the two protection covers 2 and the upper end surface of the base 1 is used for storing the precision measurement tool.

The traditional single box cover is divided into two protective covers 2, so that the two protective covers 2 can be operated separately to carry out the closing and opening operations.

After the precision measurement instrument is in by encapsulation seat parking space, rotate at four corners of the bottom face of base 1 and be equipped with universal wheel 12, as long as exert a horizontal power at protective cover 2 outer wall, can utilize universal wheel 12 to promote overall structure and remove the turnover, need not the manpower transport.

After two protective cover 2 lids close on base 1, under the condition of no mounting, easily sideslip from base 1 and drop, in order to solve above-mentioned defect, one end both sides lateral wall bottom that is close to each other at two protective cover 2 all is equipped with first guiding mechanism, utilizes first guiding mechanism, can ensure two protective cover 2 quick relative slip and opposite slip, two protective cover 2 pastes together and alternate segregation promptly, and two protective cover 2 can not the dislocation distribution.

The length sum with two protective covers 2 equals the length of base 1, and the width of protective cover 2 equals the width of base 1, closes after base 1 up end when two protective covers 2 laminating lid together, avoids protective cover 2 to have protruding base 1 edge, influences beautifully.

First guiding mechanism includes first L type supporting shoe 31, the first L type supporting shoe 31 of a plurality of is fixed respectively and is set up in the one end both sides lateral wall bottom that two protective covers 2 are close to each other, the other end of first L type supporting shoe 31 rotates and is equipped with first round pin axle 32, the tip of first round pin axle 32 rotates and is equipped with first guide roller 3, first guide way 11 has all been seted up to base 1's both sides lateral wall, first guide roller 3 rolls and sets up inside same one side first guide way 11, place two protective covers 2 at base 1's up end, then roll through first L type supporting shoe 31 with first guide roller 3 that first round pin axle 32 is connected and set up inside first guide way 11 at the corresponding position, first guide roller 3 is along the reciprocal roll of the inside level of first guide way 11, can keep away from each other and draw together two protective covers 2 and paste together each other.

In addition, at two equal embedded magnet pieces of protective cover 2 relative lateral walls, and the magnetic pole of two magnet pieces is different, after two protective cover 2 pastes together, two magnet pieces that the magnetic pole is different can adsorb together in real time, are convenient for be in the laminating closure state with two protective cover 2 in real time, avoid two protective cover 2 separations, influence the encapsulation operation to precision measurement instrument.

Precision measurement instrument turnover in-process, precision measurement instrument is under the state of no protection, in case suffer to collide with, it is great easily to cause measured data's error, seriously probably lead to precision measurement instrument's damage, all be equipped with the locating part through four corner positions in base 1 upper end, precision measurement instrument places in the parking space after, utilize four locating parts to distribute four corner positions at precision measurement instrument, realize the spacing purpose to precision measurement instrument, avoid precision measurement instrument and 2 inner walls of protective cover to bump.

The locating part includes bracing piece 41, grafting sleeve 42 and articulated seat 44, bracing piece 41 sets up the upper end corner position at base 1, grafting sleeve 42 cup joints at bracing piece 41 outer wall, the fixed extension bar 43 that is equipped with along the distribution of grafting sleeve 42 radial direction of the radial lateral wall of grafting sleeve 42, the tip of extension bar 43 is articulated with articulated seat 44 lateral wall, the both sides lateral wall of articulated seat 44 all fixes and is equipped with arc elasticity grip block 45, peg graft sleeve 42 and utilize extension bar 43 to erect articulated seat 44 after the outer wall of bracing piece 41, according to the precision measurement instrument size of dimensions who places on base 1, it uses bracing piece 41 to rotate as the center to peg graft sleeve 42, support arc elasticity grip block 45 of articulated seat 44 both sides on precision measurement instrument's outer wall through extension bar 43, as long as arc elasticity grip block 45 position does not change, precision measurement instrument position just can not change, move the turnover in-process just can not take place the phenomenon with protective cover 2 inner wall.

Referring to fig. 1-4, a handle 21 is fixedly disposed on a side wall of each of the two protective covers 2, and the handle 21 is held by a bare hand, so that the first guide rollers 3 on the two protective covers 2 can slide horizontally along the inside of the first guide slot 11 in a reciprocating manner, thereby meeting the operation requirements of opening and closing the two protective covers 2.

The handle 21 is arranged, so that the working personnel can conveniently find the acting point to apply force, and the operation is simple and convenient.

If the position of the inserting sleeve 42 is adjusted, the inserting sleeve 42 can be arranged on the outer wall of the supporting rod 41, the limit tightness of the arc-shaped elastic clamping plate 45 on the precision measuring tool can be affected, the tooth grooves distributed in an annular structure are formed in the inner radial side wall of the inserting sleeve 42, tooth blocks 411 clamped with the tooth grooves are fixedly arranged on the outer wall of the supporting rod 41, after the inserting sleeve 42 rotates to adjust the position, the arc-shaped elastic clamping plate 45 supports against the outer wall of the precision measuring tool, the inserting sleeve 42 slides downwards along the outer wall of the supporting rod 41, the tooth grooves of the inserting sleeve 42 are clamped with the tooth blocks 411 on the outer wall of the supporting rod 41, and the arc-shaped elastic clamping plate 45 can be supported against the outer wall of the precision measuring tool.

In addition, the outer wall of the supporting rod 41 is fixedly sleeved with a tray 412 capable of supporting the inserting sleeve 42, the upper end face of the tray 412 is fixedly connected with the bottom end face of the tooth block 411, the inserting sleeve 42 with the adjusted position is supported by the tray 412, and the inserting sleeve 42 is prevented from continuously sliding down along the outer wall of the supporting rod 41 to limit the precision measuring tool.

Adopt the stainless steel material with arc elasticity grip block 45, utilize the elastic characteristic of stainless steel material, can cushion the power of shaking that appears in the precision measurement instrument turnover transportation, avoid the precision measurement instrument to receive after the shaking force with arc elasticity grip block 45 rigid contact, also do not benefit to the protection precision measurement instrument, and the arc elasticity grip block 45 that adopts the stainless steel material can enough avoid the precision measurement instrument to break away the spacing of arc elasticity grip block 45, collide with the 2 inner walls of protective cover, can play the effect of bradyseism again.

Because the precision measurement instrument measures the demand different, its appearance structure is different respectively, and when the adjustment position of arc elasticity grip block 45 followed grafting sleeve 42, still can have certain spacing clearance, influences precision measurement instrument's stability of placing.

The spliced eye has been seted up at articulated seat 44, the spliced eye internal rotation is pegged graft and is had regulation pole 47, it has two threaded sleeve 48 to adjust the both ends of pole 47 through the external screw thread rotation cup jointed, two threaded sleeve 48's outer wall all articulates there is articulated rod 410, two articulated rod 410's tip respectively with on same articulated seat 44 two arc elasticity grip blocks 45 one end of keeping away from each other articulated, bare-handed rotation adjusts pole 47, adjust pole 47 at the inside rotation of spliced eye of articulated seat 44, pivoted adjust pole 47 utilizes the external screw thread to drive two threaded sleeve 48 along adjusting the one side adjustment position that pole 47 closed up or kept away from each other to each other, two threaded sleeve 48 of adjustment position can be through articulated rod 410 with the arc elasticity grip block 45 that keep away from articulated seat 44 one end to the one side jack-up that is close to precision measurement instrument, support on precision measurement instrument's outer wall until arc elasticity grip block 45, reinforcing closely measuring instrument's stability of placing, arc elasticity grip block 45 deformation produces bounce-back potential energy simultaneously.

Arc elasticity grip block 45 is the clamping face towards one side lateral wall of treating spacing precision measurement instrument, the breach of a plurality of evenly spaced apart distribution is seted up to the clamping face of arc elasticity grip block 45, when arc elasticity grip block 45 is produced deformation by hinge bar 410 jack-up, easily produce at the breach position and warp, help the tensile production deformation of arc elasticity grip block 45 to support at the precision measurement instrument outer wall, in addition, frictional force when can also be through the contact between breach increase and the precision measurement instrument.

Adjust pole 47 when the spliced eye internal rotation, the gliding phenomenon of spliced eye axial direction pull easily appears, influence the jack-up stability of arc elasticity grip block 45, ring channel 46 has been seted up in the inside of spliced eye, adjust the outer wall middle section rigidity of pole 47 and cup jointed spacing dish 49, spacing dish 49 rotates the joint inside ring channel 46, adjust pole 47 when rotating, utilize spacing dish 49 at the inside rotation of ring channel 46, neither influence adjust pole 47 and rotate the regulation, can avoid adjusting pole 47 again along spliced eye axial direction guiding position.

Please refer to fig. 1 and 5, the connecting sleeve 413 is fixedly sleeved on the outer wall of the extension rod 43, the bottom end of the outer wall of the connecting sleeve 413 is fixedly provided with a suspension rod 414, the bottom end of the suspension rod 414 is fixedly provided with a clamping block 4, the upper end of the base 1 is provided with a matching groove 13 which is clamped with the clamping block 4 and is distributed in a fan-shaped structure, the inserting sleeve 42 slides down along the outer wall of the support rod 41, so that the tooth space of the inserting sleeve 42 is clamped with the tooth block 411 of the outer wall of the support rod 41, meanwhile, the suspension rod 414 drives the clamping block 4 to be clamped in the matching groove 13 of the corresponding position, so as to limit the position of the column inserting sleeve 42 from changing, and meanwhile, the supporting stability of the extension rod 43 can be enhanced.

Referring to fig. 1, 6 and 7, the first guide mechanism can satisfy the requirement that the two protective covers 2 slide along the distribution direction of the first guide slot 11 of the base 1, but the stability is not good enough, and the protective covers 2 can tilt around the first guide roller 3, which affects the packaging of the precision measurement tool, in order to solve the above problems, the front and rear side walls of the base 1 are respectively provided with the second guide mechanisms located at the two sides of the first guide slot 11, and the stability of the two protective covers 2 when sliding can be enhanced by using the second guide mechanisms.

The second guiding mechanism comprises a second L-shaped supporting block 51, a plurality of second L-shaped supporting blocks 51 are respectively and fixedly arranged at two sides of the first guiding groove 11 of the front side wall and the rear side wall of the base 1, the other end of each second L-shaped supporting block 51 is provided with a second pin 52 in a rotating manner, the end part of each second pin 52 is provided with a second guiding roller 5 in a rotating manner, the front side wall and the rear side wall of each protective cover 2 are respectively provided with a second guiding groove 22, the second guiding rollers 5 are arranged in the second guiding grooves 22 at the same side in a rolling manner, the second guiding rollers 5 connected with the second pin 52 through the second L-shaped supporting blocks 51 are arranged in the second guiding grooves 22 of the protective covers 2 at corresponding positions in a rolling manner, the second guiding rollers 5 horizontally roll along the second guiding grooves 22, the first guiding mechanism is matched with the condition that the two protective covers 2 can be mutually far away from each other and mutually close up to be jointed, and the stability of the two protective covers 2 in sliding adjustment positions is enhanced.

The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.

Claims

1. The storage box for the precision measuring tool is characterized by comprising a base (1) and a box cover, wherein the box cover consists of two protective covers (2), the two protective covers (2) are butted together and cover the upper end face of the base (1), and the inner sides of the two protective covers (2) and the upper end face of the base (1) form a storage space for storing the precision measuring tool;

the bottom ends of side walls on two sides of one end, close to each other, of two protective covers (2) are respectively provided with a first guide mechanism, each first guide mechanism comprises a first L-shaped supporting block (31), a plurality of first L-shaped supporting blocks (31) are respectively fixedly arranged at the bottom ends of side walls on two sides of one end, close to each other, of the two protective covers (2), the other end of each first L-shaped supporting block (31) is rotatably provided with a first pin shaft (32), the end part of each first pin shaft (32) is rotatably provided with a first guide roller (3), the side walls on two sides of the base (1) are respectively provided with a first guide groove (11), and the first guide rollers (3) are arranged in the first guide grooves (11) on the same side in a rolling manner;

limiting pieces are arranged at four corner positions at the upper end of the base (1);

the locating part includes bracing piece (41), grafting sleeve (42) and articulated seat (44), bracing piece (41) set up the upper end corner position at base (1), grafting sleeve (42) cup joint at bracing piece (41) outer wall, the radial lateral wall of grafting sleeve (42) is fixed to be equipped with extension rod (43) along the distribution of grafting sleeve (42) radial direction, the tip of extension rod (43) is articulated with articulated seat (44) lateral wall, the both sides lateral wall of articulated seat (44) is all fixed to be equipped with arc elasticity grip block (45).

2. The storage box for the precision measuring tool according to claim 1, wherein the arc-shaped elastic holding plate (45) is made of stainless steel.

3. The storage box for the precision measuring tool is characterized in that the hinge seat (44) is provided with an inserting hole, and an adjusting rod (47) is rotatably inserted into the inserting hole;

two threaded sleeves (48) are sleeved at two ends of the adjusting rod (47) through external threads in a rotating mode, the outer walls of the two threaded sleeves (48) are hinged to hinge rods (410), and the end portions of the two hinge rods (410) are hinged to one end, far away from each other, of two arc-shaped elastic clamping plates (45) on the same hinge seat (44).

4. The storage box for the precision measuring tool as claimed in claim 3, wherein the insertion hole is internally provided with an annular groove (46), the middle section of the outer wall of the adjusting rod (47) is fixedly sleeved with a limiting disc (49), and the limiting disc (49) is rotatably clamped in the annular groove (46).

5. The storage box for the precision measuring tool according to claim 2, wherein a side wall of the arc-shaped elastic clamping plate (45) facing the precision measuring tool to be limited is a clamping surface, and a plurality of notches are uniformly distributed at intervals on the clamping surface of the arc-shaped elastic clamping plate (45).

6. A storage box for precision measurement tools according to claim 1, characterized in that the sum of the lengths of the two protecting covers (2) is equal to the length of the base (1), and the width of the protecting cover (2) is equal to the width of the base (1).

7. The storage box for the precision measuring tool is characterized in that tooth grooves distributed in an annular structure are formed in the inner radial side wall of the inserting sleeve (42), and tooth blocks (411) clamped with the tooth grooves are fixedly arranged on the outer wall of the supporting rod (41);

the outer wall of the supporting rod (41) is fixedly sleeved with a tray (412) capable of supporting the inserting sleeve (42), and the upper end face of the tray (412) is fixedly connected with the bottom end face of the tooth block (411).

8. The storage box for the precision measurement tool is characterized in that a connecting sleeve (413) is fixedly sleeved on the outer wall of the extension rod (43), a hanging rod (414) is fixedly arranged at the bottom end of the outer wall of the connecting sleeve (413), a clamping block (4) is fixedly arranged at the bottom end of the hanging rod (414), and matching grooves (13) which are connected with the clamping block (4) in a clamping mode and distributed in a fan-shaped structure are formed in the upper end of the base (1).

9. The storage box for the precision measuring tool according to claim 1, wherein the front and rear side walls of the base (1) are provided with second guide mechanisms positioned at both sides of the first guide groove (11);

the second guide mechanism comprises a second L-shaped support block (51), the second L-shaped support blocks (51) are respectively fixedly arranged on two sides of a first guide groove (11) of the front side wall and a second guide groove (11) of the rear side wall of the base (1), the other ends of the second L-shaped support blocks (51) are rotatably provided with second pin shafts (52), the end portions of the second pin shafts (52) are rotatably provided with second guide rollers (5), the side walls of the front side and the rear side of the two protective covers (2) are respectively provided with a second guide groove (22), and the second guide rollers (5) are rotatably arranged in the second guide grooves (22) on the same side.

10. A method for protecting a storage case for a precision measuring tool, using the storage case for a precision measuring tool according to claim 1, comprising the steps of:

1. the precision measuring tool to be transported is placed on the base (1), the two protective covers (2) are butted together and then are covered on the base (1), namely, the precision measuring tool is stored by utilizing a storage space formed by the inner sides of the two protective covers (2) and the upper end surface of the base (1);

2. by utilizing the first guide mechanism, the two protective covers (2) can be ensured to slide relatively and oppositely, namely the two protective covers (2) are attached together and separated from each other, and the two protective covers (2) cannot be distributed in a staggered manner;

3. after the precision measurement tool is placed in the storage space, the four limiting parts are distributed at the four corner positions of the precision measurement tool, so that the purpose of limiting the precision measurement tool is achieved, and the precision measurement tool is prevented from colliding with the inner wall of the protective cover (2).