CN201242437Y

CN201242437Y - Clamping device

Info

Publication number: CN201242437Y
Application number: CNU200820057964XU
Authority: CN
Inventors: 张瓯; 彭冬冬; 王必文
Original assignee: CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT Co Ltd
Current assignee: CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT Co Ltd
Priority date: 2008-04-30
Filing date: 2008-04-30
Publication date: 2009-05-20
Anticipated expiration: 2018-04-30

Abstract

The utility model provides a chucking fixture, in particular to a chucking fixture of a laser line-projection device, which is characterized in that the chucking fixture comprises a positioning block and a center lock, wherein the positioning block comprises a handle and a connection sheet, the handle is fixed with the connection sheet, and a poking sheet is extended out from the connection sheet. The center lock comprises a base, a first clamping piece, a second clamping piece, a resilient means and a fixed pillar, wherein the first clamping piece and the second clamping piece are both connected on the base in pin joint, a first pillar is formed on the first clamping piece, and a pillar hole is formed on the second clamping piece, and first pillar can be held in the pillar hole, and can slide along the pillar hole, and the fixed pillar is fixed with the relative position of the base, and the resilient means can form the interaction force between the fixed pillar and the second clamping piece, and first clamping piece can form a projected sheet, and the poking sheet is pressed on the projected sheet. When the handle drives the connection sheet to rotate, the center lock can be opened or clamped. The chucking fixture provided by the utility model has simple structure and lower cost, and can realize the omnibearing clamping.

Description

A kind of clamp device

Technical field

The utility model relates to a kind of clamp device of laser level, particularly a kind of simple in structure, cost is lower and can realize the laser level clamp device of comprehensive clamping.

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).Laser level generally has a gravity pendulum hypophysis, under the action of gravity of this gravity pendulum hypophysis, makes that be installed in the suprapituitary laser instrument of gravity pendulum sends laser beam and remain in level and plumbness.But reasons such as vibration that produces because of the working environment of reality or rocking in the process of transportation, it is influenced easily construct, and level also damages easily, therefore needs clamp device, makes laser level can be fixed after the position is definite.In addition, be to realize the construction requirement of the gradient, clamp device needs to utilize other auxiliary equipment to make instrument journey heeling condition.

In order to solve the above problems, laser level of the prior art adopts two kinds of clamp devices.

A kind of clamp device is by a clamp clip, and gravity pendulum hypophysis is pushed into a side of laser level, it leaned against on the inwall, thereby clamping is provided.Yet, the power that such clamp device can be subjected to side direction because of the bearing that hangs gravity pendulum hypophysis produces damage of bearings, and 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, can't realize omnibearing clamping.

Another kind of clamp device; this clamp device has the guide card of the arc-shaped recess of two semicircles; translation motion by guide card realizes comprehensive clamping; make the bearing of gravity pendulum hypophysis evenly stressed, play a protective role, but for realizing the translation motion of guide card; need the multi-disc guide card to interact by more complicated connected mode; required device is more, complex structure, and cost is higher.

The utility model content

The purpose of this utility model provides a kind of clamp device, particularly a kind of simple in structure, cost is lower and can realize the clamp device of comprehensive clamping.

For addressing the above problem, the utility model provides a kind of clamp device that is used for laser level, it is characterized in that: described clamp device comprises locating piece and center lock, and described locating piece comprises handle and accepts sheet, the affixed described sheet of accepting of described handle, described accepting extended plectrum on the sheet; Described center lock comprises base, first intermediate plate, second intermediate plate, elastic force apparatus and fixed leg, described first intermediate plate, second intermediate plate all are articulated on the described base, form traveller on first intermediate plate, and form chute on second intermediate plate, described traveller can be contained in the above-mentioned chute and along chute and slide, the relative position of described fixed leg and described base is fixed, and described elastic force apparatus forms interaction force between described fixed leg and described second intermediate plate; Described first intermediate plate forms protrusion tab, and described plectrum is connected to described protrusion tab, and when the sheet rotation was accepted in the handle drive, center lock was opened or clamped.

The utility model also has following feature: described handle is connected with the described sheet key of accepting, use the laser level of described clamp device to have housing, described base is fixed on the described housing, has hole on the described housing, described key passes described hole, most of structure of handle is outside housing, accept sheet in housing, the relative inner of described first intermediate plate and second intermediate plate is symmetrically arranged arc design, described base has first and second, described first intermediate plate has first axle sleeve, described second intermediate plate has second axle sleeve, described first axle sleeve and described first pivot joint, described second axle sleeve and described second pivot joint, described first axle sleeve has extended upward a stator and a fixture, described stator and fixture prevent that described stator is with the lower member slippage, described second axle sleeve has extended upward a stator and a fixture, prevent that described stator is with the lower member slippage, the interaction force that described elastic force apparatus forms, one end acts on the fixed leg, the other end acts on second post, and described interaction force can be suction or repulsion

The clamp device that the utility model provides can be realized omnibearing clamping, and simultaneously simple in structure again, cost is lower, is easy to carry.

Description of drawings

For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing:

Fig. 1 is the stereographic map of laser level hypophysis.

Fig. 2 is the schematic perspective view under the clamp device releasing orientation of a preferred embodiment.

Fig. 3 is another schematic perspective view under the clamp device releasing orientation of above-mentioned preferred embodiment.

Fig. 4 is the schematic perspective view under the clamp device clamped condition of above-mentioned preferred embodiment.

Fig. 5 is another schematic perspective view under the clamp device clamped condition of above-mentioned preferred embodiment.

Fig. 6 is the decomposing schematic representation of locating piece of the clamp device of above-mentioned preferred embodiment.

Fig. 7 is the decomposing schematic representation of center lock of the clamp device of above-mentioned preferred embodiment.

Embodiment

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 6 and Figure 7, use a kind of laser level of the present utility model to have hypophysis 100 and housing (not shown), described hypophysis 100 1 ends are suspended on the described housing, the other end is free state, can freely swing, and described hypophysis 100 bottoms have slick and sly groove 11.Clamp device comprises locating piece 200 and center lock 300, described center lock 300 has first intermediate plate 32 and second intermediate plate 33, the clamping of described clamp device, be closing up of described first intermediate plate 32 and second intermediate plate 33, the inboard curved design of first intermediate plate 32 and second intermediate plate 33, to guarantee to make above-mentioned hypophysis be in the center at two intermediate plates when closing up, unclamping of described clamp device is unclamping of first intermediate plate 32 and second intermediate plate 33.Under the situation that clamp device clamps, described first intermediate plate 32 is contained in the described slick and sly groove 11 the described hypophysis 100 of clamping device clamps with described second intermediate plate 33.

See also Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 6 and Figure 7, described locating piece 200 has handle 21, locating shaft 22 and accept sheet 23, described center lock 300 has base 31, first intermediate plate 32, second intermediate plate 33, fixed leg 34 and elastic force apparatus 35, in this preferred embodiment, described first intermediate plate 32 is close to the described sheet 23 of accepting, described elastic force apparatus 35 is a spring 35, described spring 35 produces repulsion at second intermediate plate 33 and between fixing 34, make first intermediate plate 32 and second intermediate plate 33 that the trend of closing up be arranged, to vertical direction rotary handle 21, handle 21 drives are accepted sheet 23 and are rotated to vertical direction, described first intermediate plate has protrusion tab 323, the described sheet of accepting has right-angle recess 233, the elastic force of described spring 35 is a restoring force, described restoring force closes up first intermediate plate 32 and second intermediate plate 33 and protrusion tab 323 is adjacent to right-angle recess 233, the first intermediate plates 32 of accepting sheet 23 and second intermediate plate 33 and complies with described trend and close up.

To horizontal direction rotary handle 21, handle 21 drives are accepted sheet 23 and are rotated to horizontal direction, the described sheet 23 of accepting has plectrum 232, and described plectrum 232 promotes described protrusion tab 323, and the motion of described protrusion tab 323 drives first intermediate plate 32 and second intermediate plate, 33 contrary described trend are unclamped.

See also locating piece shown in Figure 6 200, described locating shaft 22 is fixed on the housing (not shown), and described handle 21 has is good for 211, and described locating shaft 22 has center pit (not label), outside central hole location protrudes in above-mentioned locating shaft 22, form elasticity protruding 221.Be formed with two on the sheet 23 and accommodate recessed (not label) described accepting.The described sheet 23 of accepting has axis hole 231, and described key 211 is inserted in the axis hole 231, and sheet 23 rotations are accepted in drive.Accept sheet 23 like this and promptly can be in two positions by the drive of handle 21, in different positions, the elasticity on the locating shaft 22 protruding 231 is above-mentionedly accommodated recessed row and is agreed with respectively at two, and to accept sheet 23 relatively stable thereby make.

In another preferred embodiment, the hole that described key 211 passes on the described housing (not shown) directly is fixed in the described axis hole 231, makes the major part of handle 21 be positioned at that housing is outer, the described sheet 23 of accepting is positioned at housing.

See also center lock shown in Figure 7 300, described base has first 311 and second 312, described first intermediate plate has first axle sleeve 321, first post 322 and protrusion tab 323, described second intermediate plate has second axle sleeve 331, the post hole 332 and second post 333, described base 31 is fixed on the described housing, first axle sleeve 321 of first intermediate plate 32 and first 311 pivot joint of base 31, described first axle sleeve 321 extends upward a stator 36 and a fixture 37, prevent 321 slippages of first axle sleeve, second axle sleeve 331 of second intermediate plate 33 and second 321 pivot joint of base 31, spring 35 is enclosed within on second axle sleeve 331, described second axle sleeve 331 extends upward a stator 36 and a fixture 37, prevent second axle sleeve 331 and spring 35 slippages, first post 322 of first intermediate plate 32 and the post hole of second intermediate plate 33 332 articulate, guarantee first intermediate plate 32 can with second intermediate plate 33 with same amplitude folding, described fixed leg 34 has chute 341, described spring 35 has last extension 351 and reaches extension 352 down, the described extension 351 of going up is contained in the chute 341 of fixed leg 34, fixed leg 34 is fixed with the relative position of base, the following extension 352 of spring 35 is between second axle sleeve 331 and second post 333 of second intermediate plate 33, because the elastic force of spring 35, guarantee that described down extension 352 is close to described second post 333, there is a right-angle structure 3521 described extension 352 down, can prevent described extension 352 down from 333 slippages of described second post, can prevent that again described extension 352 down from touching fixed leg 34.

In another preferred embodiment, the affixed fixed leg 34 of elastic force apparatus (not shown) end, affixed second intermediate plate 33 of the other end can reach equally in second

intermediate plate

33 and 34 purposes that form repulsion or suction of fixed leg.

Comprehensively above-mentioned; the utility model has been finished designer's purpose of design; use clamp device of the present utility model, clamp as clamp device, then hypophysis is fixed on the center between first intermediate plate 32 and second intermediate plate, 33 depressions; comprehensive stressed; protected bearing, 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,, can conveniently transport after the locking, be unlikely to because pendulum hypophysis excessively rocks and clashed into and damage in transportation and when keeping.Simultaneously, the utility model is that the folding by two intermediate plates is used for realizing clamping, and only needs provide intermediate plate the simple components of thrust and restoring force, so it is simple in structure, cost is lower.

Claims

1. clamp device, it is characterized in that: described clamp device comprises locating piece and center lock, described locating piece comprises handle and accepts sheet, the affixed described sheet of accepting of described handle, described accepting extended plectrum on the sheet; Described center lock comprises base, first intermediate plate, second intermediate plate, elastic force apparatus and fixed leg, described first intermediate plate, second intermediate plate all are articulated on the described base, form first post on first intermediate plate, and formation post hole on second intermediate plate, described first post can be contained in the above-mentioned post hole and along the post hole and slide, the relative position of described fixed leg and described base is fixed, and described elastic force apparatus forms interaction force between described fixed leg and described second intermediate plate; Described first intermediate plate forms protrusion tab, and described plectrum is connected to described protrusion tab, and when the sheet rotation was accepted in the handle drive, center lock was opened or clamped.

2. clamp device as claimed in claim 1 is characterized in that: described handle is connected with the described sheet key of accepting.

3. clamp device as claimed in claim 1 is characterized in that: use the laser level of described clamp device to have housing, described base is fixed on the described housing.

4. clamp device as claimed in claim 3 is characterized in that: described locating piece comprises that further one is fixedly arranged on the locating shaft on the housing, and locating shaft has center pit, and it is protruding to form elasticity at an end of center pit, has two on the sheet and accommodates recessed accepting.

5. as claim 2 and the described clamp device of claim 3, it is characterized in that: have hole on the described housing, described key passes described hole, and most of structure of handle is accepted sheet in housing outside housing.

6. clamp device as claimed in claim 1 is characterized in that: the relative inner of described first intermediate plate and second intermediate plate is symmetrically arranged arc design.

7. clamp device as claimed in claim 1, it is characterized in that: described base has first and second, described first intermediate plate has first axle sleeve and first post, described second intermediate plate has second axle sleeve and second post, described first axle sleeve and described first pivot joint, described second axle sleeve and described second pivot joint.

8. clamp device as claimed in claim 7 is characterized in that: described first axle sleeve has extended upward a stator and a fixture, and described stator and fixture prevent that described stator is with the lower member slippage.

9. clamp device as claimed in claim 7 is characterized in that: described second axle sleeve has extended upward a stator and a fixture, prevents that described stator is with the lower member slippage.

10. as claim 1 and 7 described clamp devices, it is characterized in that: the interaction force that described elastic force apparatus forms, an end acts on the fixed leg, and the other end acts on second post.

11. clamp device as claimed in claim 10 is characterized in that: described interaction force can be suction or repulsion.

12. clamp device as claimed in claim 7, it is characterized in that: described elastic force apparatus can be spring, described spring has last extension and reaches extension down, described spring housing is on described second axle sleeve, described fixed leg is close in the described extension of going up, and described extension section down is positioned between described second axle sleeve and described second post and is close to described second post.

13. clamp device as claimed in claim 12 is characterized in that: described fixed leg has chute, and the described extension of going up is housed in the described chute.

14. clamp device as claimed in claim 12 is characterized in that: described extension down has right-angle structure, can prevent described extension down from the described second post slippage, can prevent that again described extension down from touching described fixed leg.