CN201110762Y - Laser wire projecting instrument - Google Patents

Abstract

A laser level comprises a body and a swinging lever hung on the body. A center lock disposed at the bottom portion of the body comprises a locking linkage plate, a slide block, a locking guide plate and locking clamping plates, wherein the locking linkage plate and the locking guide plate are all provided with a center hole, the swinging lever penetrates through the center hole, two linkage grooves are opened on the locking linkage plate in radial direction, and stretch downwards to form two sliding columns from the locking linkage plate, a slide chute capable of containing the sliding columns is opened on the slide block, a shifting column stretches from the slide block outside the body, the slide block forms a holding groove, the locking guide plate is arranged on the locking linkage plate and stretches downwardly to form a guide column which is held in the holding groove, further two guide grooves are opened on the locking guide plate, the two guide grooves are parallel to the direction of a tangential line of the center hole, and the locking clamping plates comprises two with arc recesses in the direction facing the center hole, the two locking clamping plates are all provided with a clamping column which is held in the guide groove. The swinging lever can be conveniently and accurately fixed through the locking clamping plates.

Description

A kind of laser level

Technical field

The utility model relates to a kind of laser level, especially relates to a kind of laser level with center lock of can be conveniently swing arm being fixed.

Background technology

Laser level is a kind ofly can be widely used in the interior decoration industry at the visual laser cross horizontal line (or laser spots) of metope, ground and zenith projection and the exact instrument of perpendicular line (or laser spots).Automatically can guarantee in certain slant range that by flat laser level the laser rays that casts out keeps the precision of horizontal line and perpendicular line and the precision that the horizontal vertical line intersects 90 degree angles.Laser level generally has a gravity pendulum hypophysis, under the action of gravity of this gravity pendulum hypophysis, make that be installed in the suprapituitary laser instrument of gravity pendulum sends laser beam and remain in level and plumbness, thereby guaranteed the accuracy of construction, yet the working environment of building field all can compare badly, and can produce vibration unavoidably.In addition, in the process of transportation, hypophysis need be fixed, to prevent in transportation, damaging level because of rocking of hypophysis.The angle of using from the another one of instrument because latch mechanism is arranged, makes automatically by flat laser level after gravity pendulum is locked, and utilizes other auxiliary equipment to make instrument journey heeling condition, thereby realizes the construction requirement of the gradient.

In order to solve the above problems, laser level of the prior art adopts a kind of clamp device, and this clamp device is by a clamp clip, and gravity pendulum hypophysis is pushed into a side of laser level, it is leaned against on the inwall, thereby clamping is provided.

Yet such clamp device also can have problems, and at first, the clamping that is against a side can make the bearing that hangs gravity pendulum hypophysis be subjected to the power of side direction, thereby damages bearing or make precision lose efficacy.And, if gravity pendulum hypophysis side is against a side, then when clamping, use and be restricted, only when being in flexible swinging or state of nature, this gravity pendulum hypophysis can guarantee that laser instrument sends the graticule precision quality of laser, and make gravity pendulum hypophysis keep the stressed homogeneity of the loading bearing of flexible and precision to seem extremely important, but existing apparatus for fastening does not possess this function, and, also be inconvenient to operate.

The utility model content

The technical matters that the utility model solves is at the deficiencies in the prior art, and a kind of laser level that can conveniently fix swing arm is provided.

For addressing the above problem, the utility model provides a kind of laser level, comprise body, be suspended on the swing arm on the body, one center lock is arranged at the bottom of body, this center lock comprises locking interlock sheet, slide block, locking countervane and locking clamp clip, above-mentioned locking interlock sheet, all has center pit on the locking countervane, above-mentioned swing arm passes from center pit, above-mentioned locking interlock sheet and above-mentioned body are affixed, on locking interlock sheet, radially offer two interlock grooves, and on above-mentioned locking interlock sheet, extend to form two slide posts downwards, offer the sliding tray that to accommodate above-mentioned slide post on the above-mentioned slide block, one stirs post extends outward above-mentioned body on above-mentioned slide block, above-mentioned slide block forms accepting groove in a side direction of center pit, above-mentioned locking countervane is arranged on the above-mentioned locking interlock sheet, and it is extended with guidepost downwards, this guidepost is contained in the above-mentioned accepting groove, on above-mentioned locking countervane, also offer two gathering sills, this two gathering sill be arranged in parallel and is parallel to the tangential direction of above-mentioned center pit, the locking clamp clip has two, it is recessed that it has an arc towards above-mentioned center pit direction, and all have a clamping column at above-mentioned two locking clamp clips, above-mentioned clamping column is contained in the above-mentioned gathering sill.

The utility model also has following feature: inwardly form groove corresponding to described guidepost position on the described locking interlock sheet, described guidepost promptly protrudes out from groove location, the line of described two slide posts and above-mentioned interlock groove are not parallel, described body further is provided with housing outward, described housing is provided with rotary handle, this rotary handle has plectrum, has allocating slot on this plectrum, in order to accommodate the above-mentioned post of stirring, have spacer between described rotary handle and the described plectrum, the top of described spacer has positioning convex.

By the utility model, this laser level can the provide convenience location and the clamping of swing arm accurately, the protection laser level is avoided infringement.

Description of drawings

Below in conjunction with the drawings and the specific embodiments the utility model is further described.

Fig. 1 is the three-dimensional assembly diagram of a kind of laser level of the utility model.

Fig. 2 is the three-dimensional assembly diagram that a kind of laser level of the utility model is removed shell body.

Fig. 3 is the decomposing schematic representation of relevant swing arm of a kind of laser level of the utility model and center lock.

Fig. 4 is the assembling synoptic diagram of relevant swing arm of a kind of laser level of the utility model and center lock, and wherein display centre is locked in opening.

Fig. 5 is the assembling synoptic diagram of relevant swing arm of a kind of laser level of the utility model and center lock, and wherein display centre is locked in closure state.

Embodiment

See also Figure 1 and Figure 2, laser level 100 of the present utility model comprises body 1 and is arranged at body 1 housing 2 outward, has swing arm 4 in the bottom of body 1, swing arm 4 has laser instrument 3, be used to produce laser rays (point) and throw the line operation, be provided with whipple hammer 41 on the top of swing arm 4.Housing 2 is provided with rotary handle 5, has plectrum 51 on this rotary handle 5, has allocating slot 511 on the top of plectrum 51.Be provided with center lock 6 in the bottom of body 1, the middle position of center lock 6 has center pit 61, and this center pit 61 can be accommodated above-mentioned swing arm 4, and it is passed from center pit 61.Center lock 6 is by locking interlock sheet 62, be arranged at the locking countervane 63 on the locking interlock sheet 62, be arranged at the locking clamp clip 64 on the locking countervane 63 and be arranged at the slide block 65 of locking interlock sheet 62 belows and form, outside side at slide block 65, extend and stir post 651, this is stirred post 651 and is contained in above-mentioned allocating slot 511.

See also Fig. 2 and shown in Figure 3, locking interlock sheet 62 is fixed on the body 1 by screw (not label), and radially offers 621, two of two disjunct interlock grooves groove 621 that links on it and be on the same straight line.Extend to form two slide posts 622 downwards on locking interlock sheet 62, offer the sliding tray 652 that can accommodate above-mentioned slide post 622 on the slide block 65, above-mentioned slide block 65 forms accepting groove 653 towards a side direction sunken inside of center pit 61.The line of above-mentioned two slide posts 622 and the 621 non-parallel settings of interlock groove, and the accepting groove 653 on above-mentioned slide block 65 is two, be arranged in parallel, can increase the torque that whole slide block 65 produces upset like this.Above-mentioned locking countervane 63 is arranged on the above-mentioned locking interlock sheet 62, and it is extended with guidepost 631 downwards, and this guidepost 631 is contained in the above-mentioned accepting groove 653, and the position corresponding to above-mentioned accepting groove 653 on the locking interlock sheet 62 offers groove 623.Also offer two gathering sills 633 on above-mentioned locking countervane 63, this two gathering sill 633 be arranged in parallel and is parallel to the tangential direction of above-mentioned center pit 61.What have inside formation in the outside of locking countervane 63 stops depression 632, and this stops that depression 632 can cooperate with body 1, prevents to lock countervane 63 and too rotates.Locking clamp clip 64 has two, and it is recessed 641 that it has an arc towards above-mentioned center pit 61 directions, and all has a clamping column 642 at above-mentioned two locking clamp clips 64, and above-mentioned clamping column 642 is contained in the above-mentioned gathering sill 633.

Please cooperate and consult Fig. 3, Fig. 4 and shown in Figure 5, be provided with spacer 52 between rotary handle 5 and the plectrum 51, has positioning convex 521 on the top of spacer 52, this positioning convex 521 positions with the inwall of housing 2 (seeing also shown in Figure 1), strengthen the friction force between rotary handle 5 and the housing 2, prevent that it from freely rotating.When center lock 6 was in opening, swing bacillus 4 passed within center pit 61, thereby under the action of gravity of whipple hammer 41, is in vertical position.At this moment, guidepost 631 is in an end of above-mentioned groove 623, and two slide posts 622 are in an end of two sliding trays 652, and clamping column 642 is in the outermost of gathering sill 633, and sees through the outermost that above-mentioned gathering sill 633 is in above-mentioned interlock groove 621.Stir above-mentioned rotary handle 5, then the allocating slot 511 of plectrum 51 drives and stirs post 651 transverse movements, then above-mentioned guidepost 631 is at 65 drive lower edge circular motion of slide block 5, therefore whole locking countervane 63 is rotated motion, and then it is mobile to the inside along the direction of gathering sill 633 to promote clamping column 642.Because clamping column 642 is fixedlyed connected with locking clamp clip 64, so locking clamp clip 64 also clamps under the drive of clamping column 642 to the inside, thereby two arcs recessed 641 can position by swing arm 4, and swing arm 4 can be in the center of center pit 61 under the guiding of two arcs.When the center lock 6 that will lock at needs is opened, only 5 groups of above-mentioned rotary handles need be returned and get final product.

Comprehensively above-mentioned, the utility model has been finished designer's purpose of design, use laser level of the present utility model, if lock above-mentioned center lock 6, when horizontal positioned, can guarantee reuse the automatically perpendicular positioning of swing arm 4, thereby the laser beam (point) that laser instrument 3 is sent still can be in level and vertical state owing to gravity.After locking, the position that laser rays (point) equally still can keep original laser rays (point), and, by the tilt adjusting mechanism of an outside, can be convenient to operations such as construction so that the horizontal vertical cross spider of laser device projection is realized the grade line at stable band angle of inclination.In addition; when transportation and keeping; can conveniently transport after the locking; be unlikely to be clashed into and damage because pendulum hypophysis excessively rocks; protection is more; avoided being in for a long time under the locking state, produced precision inefficacy or damage, caused the precision inefficacy of laser level owing to the generation of support gravity pendulum mass is subjected to lateral force by 4 flat miniature bearings automatically owing to the pendulum hypophysis of instrument.The operation of center lock 6 of the present utility model is also very convenient, and the recessed of arc also can be carried out self centering locking.

Claims (7)

1, a kind of laser level, it is characterized in that: comprise body, be suspended on the swing arm on the body, one center lock is arranged at the bottom of body, this center lock comprises locking interlock sheet, slide block, locking countervane and locking clamp clip, above-mentioned locking interlock sheet, all has center pit on the locking countervane, above-mentioned swing arm passes from center pit, above-mentioned locking interlock sheet and above-mentioned body are affixed, on locking interlock sheet, radially offer two interlock grooves, and on above-mentioned locking interlock sheet, extend to form two slide posts downwards, offer the sliding tray that to accommodate above-mentioned slide post on the above-mentioned slide block, one stirs post extends outward above-mentioned body on above-mentioned slide block, above-mentioned slide block forms accepting groove in a side direction of center pit, above-mentioned locking countervane is arranged on the above-mentioned locking interlock sheet, and it is extended with guidepost downwards, this guidepost is contained in the above-mentioned accepting groove, on above-mentioned locking countervane, also offer two gathering sills, this two gathering sill be arranged in parallel and is parallel to the tangential direction of above-mentioned center pit, the locking clamp clip has two, it is recessed that it has an arc towards above-mentioned center pit direction, and all have a clamping column at above-mentioned two locking clamp clips, above-mentioned clamping column is contained in the above-mentioned gathering sill.

2, laser level as claimed in claim 1 is characterized in that: inwardly form groove corresponding to described guidepost position on the described locking interlock sheet, described guidepost promptly protrudes out from groove location.

3, laser level as claimed in claim 1 is characterized in that: the line of described two slide posts and above-mentioned interlock groove are not parallel.

4, laser level as claimed in claim 1 is characterized in that: described body further is provided with housing outward.

5, laser level as claimed in claim 4 is characterized in that: described housing is provided with rotary handle, and this rotary handle has plectrum, has allocating slot on this plectrum, in order to accommodate the above-mentioned post of stirring.

6, laser level as claimed in claim 5 is characterized in that: have spacer between described rotary handle and the described plectrum.

7, laser level as claimed in claim 6 is characterized in that: the top of described spacer has positioning convex.

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