CN210346703U

CN210346703U - Total powerstation handle anti loosening structure

Info

Publication number: CN210346703U
Application number: CN201921800848.7U
Authority: CN
Inventors: 林元茂; 李建; 李天和
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-04-17
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of engineering element fixing or fastening components, and discloses a total station handle anti-loosening structure, which comprises a fixing ring and an anti-loosening ring, wherein a plurality of thread mounting holes are uniformly distributed on the fixing ring, and a plurality of groups of anti-loosening components are uniformly distributed on the inner ring of the fixing ring; the inner ring of the anti-rotation ring is provided with convex teeth matched with the handle, and the outer ring of the anti-rotation ring is provided with a convex block matched with the anti-loosening assembly. The utility model provides an among the prior art handle easily take place the problem that the pine takes off with the total powerstation.

Description

Total powerstation handle anti loosening structure

Technical Field

The utility model belongs to the technical field of engineering component is fixed or fastening part, concretely relates to total powerstation handle anti loosening structure.

Background

The Total Station, namely the Total Station type Electronic distance meter (Electronic Total Station), is a high-tech measuring instrument integrating light collection, mechanical measurement and electrical measurement, is a surveying instrument system integrating horizontal angle, vertical angle, distance (slant distance, horizontal distance) and height difference measurement functions, and is widely used in the field of precision engineering measurement or deformation monitoring of aboveground large buildings, underground tunnel construction and the like. When the total station is used, the total station needs to measure different places, so that the moving frequency is high, a handle is usually arranged on the total station for convenient movement, and the total station is held during convenient movement. The total station can be stretched out to the handle usually, leads to accomodating inconveniently, and consequently the connected mode of total station and handle is threaded connection usually, removes the in-process, and vibration, the striking etc. of total station can lead to the handle to take place to loosen for the total station easily drops. The service environment of total powerstation is usually all in field, building site etc. and these places can have more arch, and the total powerstation in case drop will take place great harm, consequently need set up a locking structure, avoids the handle to take place the pine to take place when using and takes off.

SUMMERY OF THE UTILITY MODEL

The utility model provides a total powerstation handle anti loosening structure to solve among the prior art problem that the handle easily takes place to loosen with the total powerstation.

In order to achieve the purpose, the utility model provides the following technical scheme, which comprises a fixed ring and an anti-rotation ring, wherein a plurality of thread mounting holes are uniformly distributed on the fixed ring, and a plurality of groups of anti-loosening assemblies are uniformly distributed on the inner ring of the fixed ring; the inner ring of the anti-rotation ring is provided with convex teeth matched with the handle, and the outer ring of the anti-rotation ring is provided with a convex block matched with the anti-loosening assembly.

The beneficial effects of the technical scheme are as follows:

the fixing ring is fixed on the total station by using a bolt, and the anti-rotation ring is sleeved on the handle, so that the convex teeth of the inner ring of the anti-rotation ring are matched with the convex teeth of the outer wall of the handle, and the anti-rotation ring and the handle can be prevented from rotating. And set up at solid fixed ring inner circle and loosen the subassembly, the lug of cooperation anti-rotating ring outer lane can realize that the handle when installing on the total powerstation (when the handle forward rotates promptly), and when the anti-rotating ring antiport (handle pine takes off promptly, during the antiport), carry on spacingly through locking subassembly to the lug, avoid anti-rotating ring antiport, and then avoid the handle pine to take off.

Furthermore, the anti-loosening assembly comprises anti-loosening teeth hinged to the inner ring of the fixing ring, and a spring is arranged between the free end of each anti-loosening tooth and the inner ring of the fixing ring; the distance from the free end of the lug to the inner ring of the fixed ring is smaller than the distance from the free end of the anti-loosening tooth to the inner ring of the fixed ring.

Has the advantages that: by hinging the anti-loosening teeth and matching with the spring, when the anti-loosening ring rotates forwards, the convex block slides along the surface of the anti-loosening teeth and extrudes the anti-loosening teeth, so that the anti-loosening ring can rotate smoothly; when the anti-rotation ring wants the antiport, under the effect of spring, the free end of locking tooth pops out, spacing to the lug, can prevent anti-rotation ring antiport, and then avoids handle antiport and total powerstation pine to take off.

Furthermore, one end of the lug, which is far away from the anti-rotation ring, is provided with a roller.

Has the advantages that: the idler wheel is arranged, so that when the anti-rotation ring drives the lug to rotate, the idler wheel is in surface contact with the anti-loosening teeth, and jamming is reduced.

Furthermore, an annular groove is formed in the fixing ring, a plurality of sliding grooves communicated with the annular groove are further formed in the inner ring of the fixing ring, and the sliding grooves are equal to the anti-loosening assemblies; one side of the anti-loosening teeth close to the fixing ring is fixed with moving parts, the moving parts penetrate through the sliding grooves and extend into the annular grooves, and the limiting blocks are fixed at one ends, far away from the fixing ring, of the moving parts.

Has the advantages that: the moving part can play the effect of restriction with the removal to the free end of locking tooth, when preventing that the rotating ring antiport, can avoid because of the continuous extrusion of lug for locking tooth takes place the reversal, and the circumstances that the rotating ring antiport that leads to appears.

Further, the moving member is a moving rod or a pull rope, and the pull rope is a non-elastic rope.

Has the advantages that: the shift lever and the inelastic stay cord can limit the shift position, avoid only restricting the free end of the anti-loosening tooth through the spring, and enable the anti-loosening tooth to overturn when the anti-loosening ring rotates reversely, so that the anti-loosening ring smoothly rotates.

Furthermore, the anti-loosening assembly comprises a sliding groove arranged on the inner ring of the fixing ring, a sliding block is connected in the sliding groove in a sliding mode, a first wedge surface is arranged on the part, located between the fixing ring and the anti-rotating ring, of the sliding block, and a second wedge surface matched with the first wedge surface is arranged on the protruding block; a spring is arranged between one end of the sliding block, which is far away from the anti-rotation ring, and the sliding groove.

Has the advantages that: through the matching of the first wedge surface on the sliding block and the second wedge surface on the lug, the wedge surfaces can be extruded when the anti-rotation ring rotates in the forward direction, so that the sliding block slides into the sliding groove, and the anti-rotation ring can rotate smoothly; when the anti-rotation ring rotates reversely, the convex block is attached to the non-wedge surface of the sliding block, the sliding block cannot be extruded, and then the sliding block cannot slide into the sliding groove, so that the anti-rotation ring can be prevented from rotating.

Furthermore, the sliding groove is a T-shaped groove, and the sliding block is a T-shaped block.

Has the advantages that: can prevent the sliding block from sliding out of the sliding groove.

The anti-rotation ring is characterized by further comprising first magnetic blocks uniformly distributed on the surface of the anti-rotation ring, second magnetic blocks mutually attracted with the first magnetic blocks are embedded on the upper surface of the fixing ring, and the second magnetic blocks are annular magnetic blocks.

Has the advantages that: through the mutual attraction of the first magnetic block and the second magnetic block, the anti-rotation ring can be fixed on the fixing ring, and the anti-rotation ring is prevented from loosening.

Further, a handle is arranged on the outer side of the anti-rotation ring.

Has the advantages that: the anti-rotation ring can be conveniently taken down by arranging the handle.

Further, the handle is ring-shaped.

Has the advantages that: the annular handle is convenient to hold.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the anti-loosening device comprises a fixing ring 1, an annular groove 11, a sliding groove 12, a sliding groove 13, an anti-loosening ring 2, a convex tooth 21, a convex block 22, a roller 221, an anti-loosening tooth 3, a moving rod 4, a limiting block 41, a sliding block 5, a handle 6, a first magnetic block 7, a second magnetic block 8 and a handle 9.

Example 1:

the total station handle anti-loose structure is basically as shown in the attached figure 1 and comprises a fixed ring 1 with equal height and an anti-rotating ring 2 positioned at the inner ring of the fixed ring 1, wherein four threaded mounting holes are uniformly distributed on the upper surface of the fixed ring 1 along the circumferential direction, an annular second magnet 8 is embedded on the upper surface of the fixed ring 1, four first magnets 7 are hinged on the upper surface of the anti-rotating ring 2, and the lower surfaces of the first magnets 7 are opposite to the upper surface of the second magnet 8 in magnetic pole, so that the first magnets and the second magnet are mutually attracted; 10 groups of anti-loosening assemblies are uniformly distributed on the inner ring of the fixing ring 1.

The anti-loosening assemblies respectively comprise anti-loosening teeth 3 hinged to the inner ring of the fixing ring 1, and the free ends of the anti-loosening teeth 3 are sequentially arranged along the anticlockwise direction. And a spring is welded on one side of the free end of the anti-loosening tooth 3, which is close to the inner ring of the fixing ring 1, and the other end of the spring is welded with the inner ring of the fixing ring 1. Referring to fig. 2, the anti-loosening assembly further includes an annular groove 11 disposed in the fixing ring 1, the inner ring of the fixing ring 1 is further provided with a plurality of sliding grooves 12 communicated with the annular groove 11, in this embodiment, 10 sliding grooves 12 are disposed, and the 10 sliding grooves 12 are uniformly disposed in the inner ring of the fixing ring 1.

One side that locking tooth 3 is close to solid fixed ring 1 is fixed with the moving member, and the moving member is carriage release lever 4 or stay cord, and the stay cord is inelastic rope, nylon rope for example, and the moving member uses carriage release lever 4 in this embodiment. The moving part passes through the sliding groove 12 and extends into the annular groove 11, and one end of the moving part, which is far away from the fixed ring 1, is fixed with a limiting block 41. The stopper 41 has a size larger than that of the cross section of the slide groove 12.

The inner ring of the anti-rotation ring 2 is provided with a plurality of convex teeth 21, anti-slip teeth similar to gear teeth are usually arranged on the handle 9 connected with the total station for anti-slip, and the convex teeth 21 of the inner ring of the anti-rotation ring 2 can be matched with the anti-slip teeth, so that the relative fixation of the anti-rotation ring 2 and the handle 9 can be realized. The outer lane of anti-rotating ring 2 is provided with 10 and locking subassembly complex lugs 22, and lug 22 is close to one of solid fixed ring 1 inner circle and serves and be provided with gyro wheel 221, and the distance between gyro wheel 221 center and the solid fixed ring 1 inner wall is less than the distance of 3 free ends of locking tooth apart from solid fixed ring 1 inner circle, when consequently can realizing that anti-rotating ring 2 takes place the tendency of antiport, can carry on spacingly through locking tooth 3. The outer side of the anti-rotation ring 2 is also provided with two handles 6, and the handles 6 are annular.

The specific implementation process is as follows:

fixing the fixing ring 1 on the total station through a bolt, and enabling the fixing ring 1 to be coaxially arranged with a hole for arranging the handle 9; then the anti-rotation ring 2 is sleeved on the handle 9, the convex teeth 21 of the inner ring of the anti-rotation ring 2 are meshed with the anti-slip teeth on the handle 9, so that the anti-rotation ring 2 and the handle 9 can axially slide but can not relatively rotate, and the anti-rotation ring 2 is positioned close to the part provided with the fastening threads. Handle 9 is connected and rotates with the total powerstation and screws up, and when screwing up (anticlockwise rotation promptly), swivel 2 along with handle 9 anticlockwise rotation, lug 22 and gyro wheel 221 extrusion locking tooth 3 this moment for locking tooth 3 moves towards solid fixed ring 1 inner circle, and then realizes the smooth rotation of swivel 2, and handle 9 also rotates along with swivel 2, realizes the installation of handle 9, fixed.

In the total powerstation use, if the total powerstation receives the vibration, when making handle 9 take place the antiport (clockwise rotation promptly), because when the installation, lug 22 extrudes locking tooth 3 and rotates the back, break away from with locking tooth 3, consequently under the effect of spring, locking tooth 3 resets, and when lug 22 antiport, the rotation of lug 22 is restricted to the free end of locking tooth 3, consequently can obstruct the rotation of lug 22, and then avoid the change collar 2 to take place the antiport, avoid handle 9 antiport to take place the condition of pine and take off.

After the total station uses and accomplishes, when needing to accomodate, rotate first magnetic path 7 for first magnetic path 7 breaks away from with second magnetic path 8, and second magnetic path 8 is not attracting first magnetic path 7, and consequently the fixed disappearance between anti-rotating ring 2 and the solid fixed ring 1, grip handle 9 drives anti-rotating ring 2 along handle 9 endwise slip, makes anti-rotating ring 2 break away from solid fixed ring 1, and then can realize handle 9's antiport, takes off handle 9 and accomodates.

Example 2:

the difference between the embodiment 2 and the embodiment 1 is only that, as shown in fig. 3, each set of anti-loosening assembly includes a sliding groove 13 disposed in the inner ring of the fixed ring 1, a sliding block 5 is slidably connected in the sliding groove 13, a portion of the sliding block 5 located between the fixed ring 1 and the anti-rotation ring 2 is provided with a first wedge surface, and a second wedge surface matched with the first wedge surface is disposed on the protrusion 22. The sliding groove 13 is a T-shaped groove, the sliding block 5 is a T-shaped block, and a spring is welded between one end, far away from the anti-rotation ring 2, of the sliding block 5 and the sliding groove 13.

The specific implementation process is as follows:

when the anti-rotation ring 2 rotates forwards, the first wedge surface is matched with the second wedge surface, and the first wedge surface is gradually extruded along with the rotation of the anti-rotation ring 2, so that the sliding block 5 slides into the sliding groove 13, and the anti-rotation ring 2 smoothly rotates forwards; after the lug 22 and the slider 5 are separated, the slider 5 can reset under the action of the spring, therefore, when the anti-rotation ring 2 has the tendency of reverse rotation, the slider 5 can block the rotation of the lug 22, the lug 22 is prevented from reverse rotation, the anti-rotation ring 2 is prevented from reverse rotation, and the handle 9 and the total station are prevented from loosening.

For those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the patent and the practicability of the patent.

Claims

1. Total powerstation handle anti loosening structure, its characterized in that: the anti-loosening device comprises a fixing ring and an anti-rotation ring, wherein a plurality of thread mounting holes are uniformly distributed in the fixing ring, and a plurality of groups of anti-loosening assemblies are uniformly distributed in the inner ring of the fixing ring; the inner ring of the anti-rotation ring is provided with convex teeth matched with the handle, and the outer ring of the anti-rotation ring is provided with a convex block matched with the anti-loosening assembly.

2. The total station handle anti-loose structure of claim 1, wherein: the anti-loosening assembly comprises anti-loosening teeth hinged to the inner ring of the fixing ring, and a spring is arranged between the free end of each anti-loosening tooth and the inner ring of the fixing ring; the distance from the free end of the lug to the inner ring of the fixed ring is smaller than the distance from the free end of the anti-loosening tooth to the inner ring of the fixed ring.

3. The total station handle anti-loose structure of claim 2, wherein: and one end of the lug, which is far away from the anti-rotation ring, is provided with a roller.

4. The total station handle anti-loose structure of claim 3, wherein: an annular groove is formed in the fixing ring, a plurality of sliding grooves communicated with the annular groove are further formed in the inner ring of the fixing ring, and the sliding grooves are equal to the anti-loosening assemblies; one side of the anti-loosening teeth close to the fixing ring is fixed with moving parts, the moving parts penetrate through the sliding grooves and extend into the annular grooves, and the limiting blocks are fixed at one ends, far away from the fixing ring, of the moving parts.

5. The total station handle anti-loose structure of claim 4, wherein: the moving piece is a moving rod or a pull rope, and the pull rope is a non-elastic rope.

6. The total station handle anti-loose structure of claim 1, wherein: the anti-loosening assembly comprises a sliding groove arranged on the inner ring of the fixing ring, a sliding block is connected in the sliding groove in a sliding mode, a first wedge surface is arranged on the part, located between the fixing ring and the anti-rotating ring, of the sliding block, and a second wedge surface matched with the first wedge surface is arranged on the protruding block; a spring is arranged between one end of the sliding block, which is far away from the anti-rotation ring, and the sliding groove.

7. The total station handle anti-loose structure of claim 6, wherein: the sliding groove is a T-shaped groove, and the sliding block is a T-shaped block.

8. The total station handle anti-loose structure according to any one of claims 1-7, wherein: the anti-rotation magnetic ring is characterized by further comprising first magnetic blocks uniformly distributed on the surface of the anti-rotation ring, second magnetic blocks mutually attracted with the first magnetic blocks are embedded on the upper surface of the fixing ring, and the second magnetic blocks are annular magnetic blocks.

9. The total station handle anti-loose structure of claim 8, wherein: and a handle is arranged on the outer side of the anti-rotation ring.

10. The total station handle anti-loose structure of claim 9, wherein: the handle is annular.