CN210286425U

CN210286425U - Telescopic positioning mechanism

Info

Publication number: CN210286425U
Application number: CN201920818858.7U
Authority: CN
Inventors: 魏明浩; 邹洪; 周建
Original assignee: SJEC Corp
Current assignee: SJEC Corp
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-10
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a flexible positioning mechanism, be in including fixing base, setting the cover of filling up on the fixing base, running through fill up the telescopic link of cover and be used for driving the telescopic link carries out the handle that stretches out and draws back, be fixed with on the fixing base with handle matched with cutting ferrule and be used for right the motion of telescopic link carries out spacing guide pin bushing, the guide pin bushing cooperatees with filling up the cover. The utility model discloses a flexible positioning mechanism, its structural design is reasonable, fixes a position accurate swift, and application scope is wide, can install and realize fixing a position in the place that corresponds, is particularly useful for the hoist frock, if can be applied to automatic escalator head handrail support location frock etc. fix a position accurate, assembly efficiency is high.

Description

Telescopic positioning mechanism

Technical Field

The patent relates to the technical field of mechanical equipment installation, in particular to a telescopic positioning mechanism.

Background

In the process of installing some large-scale equipment, some parts are often required to be installed by hoisting, and the problem of position deviation can occur during installation, so that the precision of the installed product is poor. In the prior art, a positioning device is added when different parts are installed, so that the same installation reference is used. However, the existing positioning mechanism has the defects of complex structure, troublesome positioning, high cost and the like.

Disclosure of Invention

In view of this, in order to solve the problem of prior art, the utility model provides a fix a position accurate swift flexible positioning mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible positioning mechanism, includes the fixing base, sets up cover, run through on the fixing base cover the telescopic link of cover and be used for driving the telescopic link carries out the handle that stretches out and draws back, be fixed with on the fixing base with handle matched with cutting ferrule and be used for right the motion of telescopic link carries out spacing guide pin bushing, the guide pin bushing cooperatees with the cover. The telescopic rod is driven to stretch through the operating handle, and the telescopic rod is limited in movement through the guide sleeve, so that the telescopic rod can move in a certain direction.

Preferably, the operating handle is provided with a locking step matched with the clamping sleeve on the fixed seat, and the locking step is surrounded on the outer circumference of one side of the operating handle close to the cushion cover. The locking step cooperates with the ferrule such that the lever can only be rotated to restrict movement in other directions.

Preferably, the operating handle is provided with an insertion hole for inserting the telescopic rod.

More preferably, the inserting hole is internally provided with a limiting part fixed at one end of the telescopic rod, and the operating handle is provided with a limiting part matched with the limiting part. The locating part cooperates with spacing portion, prevents that the operating handle from rotating too much, avoids the telescopic link to insert too deeply.

Preferably, a positioning head is fixed at one end of the telescopic rod, which is far away from the operating handle, and a chamfer is arranged at one end of the positioning head, which is far away from the telescopic rod. The positioning head is used for being inserted into the corresponding technical hole formed by folding the side plate, and the edge of the head part of the positioning head is arranged into a chamfer angle form so as to be conveniently inserted into the corresponding hole without damaging the part.

More preferably, the positioning head is provided with a plurality of locking holes, the locking holes have the same or different depths, and the locking holes with different depths are matched with holes on different components to prevent the components from rotating.

Preferably, an internal thread is arranged in the operating handle, the telescopic rod is a screw rod matched with the internal thread, at least partial external thread is arranged outside the screw rod, and the internal thread of the operating handle is matched with the external thread of the telescopic rod, so that the telescopic rod can stretch out and draw back.

Preferably, a cavity for accommodating the cushion cover is arranged on the fixing seat. The cushion sleeve is arranged in the cavity of the fixed seat, and the guide sleeve part is embedded in the cushion sleeve to better limit the motion direction of the telescopic rod.

Preferably, a hole for the telescopic rod to move is formed in the guide sleeve, and a locking groove for preventing the guide sleeve from axially rotating is formed in the outer side of the hole.

Preferably, the outer circumferential surface of the operating handle is provided with an operating part, so that a wrench or other tools can be conveniently used for operation.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses a flexible positioning mechanism, its structural design is reasonable, fixes a position accurate swift, and application scope is wide, can install and realize fixing a position in the place that corresponds, is particularly useful for the hoist frock, if can be applied to automatic escalator head handrail support location frock etc. fix a position accurate, assembly efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a telescopic positioning mechanism according to a preferred embodiment of the present invention;

fig. 2 is a perspective view of a first viewing angle of the telescopic positioning mechanism according to the preferred embodiment of the present invention;

fig. 3 is a perspective view of a second viewing angle of the telescopic positioning mechanism according to the preferred embodiment of the present invention;

FIG. 4 is a perspective view of the operating handle in the preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of the handle in the preferred embodiment of the present invention;

fig. 6 is a perspective view of the telescopic rod in the preferred embodiment of the present invention;

FIG. 7 is a perspective view of the fixing base in the preferred embodiment of the present invention;

fig. 8 is a perspective view of the guide sleeve according to the preferred embodiment of the present invention;

FIG. 9 is a cross-sectional view of the mattress cover in a preferred embodiment of the invention;

FIG. 10 is a perspective view of the alignment head in a preferred embodiment of the present invention;

FIG. 11 is a side view of the alignment head in a preferred embodiment of the present invention;

wherein: the device comprises a positioning part-1, a fixed seat-2, a telescopic rod-3, an operating handle-4, a clamping sleeve-5, a guide sleeve-6, a cushion cover-7, a positioning head-8, a first locking port-81, a second locking port-82, an internal thread-9, an external thread-10, a locking groove-11, a locking step-12, an insertion hole-13, an operating part-14, a mounting plate-15, a limiting part-16 and a limiting part-17.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1-11, the telescopic positioning mechanism of this embodiment includes a cushion cover 7 disposed on the fixing base 2, a telescopic rod 3 penetrating through the cushion cover 7, and an operating handle 4 driving the telescopic rod 3 to extend and retract, a clamping sleeve 5 fixed on the fixing base 2 and engaged with the operating handle 4, and a guide sleeve 6 for limiting the movement of the telescopic rod 3, wherein the guide sleeve 6 is engaged with the cushion cover 7. The telescopic rod 3 is driven to stretch through the operating handle 4, and the telescopic rod 3 is limited in movement through the guide sleeve 6, so that the telescopic rod 3 can move in a certain direction. The operation handle 4 of the embodiment is internally provided with an internal thread 9, and the telescopic rod 3 is a screw rod.

As shown in fig. 2-3 and fig. 7, a cavity is formed in the fixing base 2, the cushion cover 7 of the telescopic positioning mechanism is located in the cavity, and the guide sleeve 6 is partially embedded in the cushion cover 7 for better limiting the moving direction of the telescopic rod 3. The one end that the telescopic link 3 kept away from the operating handle 4 is fixed with location head 8, fixes location head 8 on telescopic link 3 promptly, is driven the motion by telescopic link 3.

In this embodiment, the positioning head 8 is of a special structure, and the positioning head 8 is provided with locking ports of different depths, i.e., a first locking port 81 and a second locking port 82, as shown in fig. 10-11, to be matched with different holes on different components to prevent the components from rotating, so that the application range is wide; and the head edge of the positioning head 8 is provided in the form of a chamfer to facilitate insertion into the corresponding hole without causing damage to the component.

As shown in fig. 1 and 8, a hole for the telescopic rod 3 to move is formed in the guide sleeve 6, and a locking groove 11 for preventing the guide sleeve 6 from axially rotating is formed outside the hole. As shown in fig. 1 and 4-5, the operating handle 4 is provided with an insertion hole 13 for installing and inserting the telescopic rod 3, the telescopic rod 3 is screwed into the operating handle 4 through the insertion hole 13 to be matched with the internal thread 9, the operating handle 4 is further provided with a locking step 12 matched with the clamping sleeve 5 on the fixed seat 2, and the locking step 12 limits the operating handle 4 to rotate but cannot move in other directions. In order to facilitate the rotation of the operation handle 4, an operation portion 14 is further formed on the outer circumferential surface of the operation handle 4, so that a wrench or other tools can be conveniently used for operation.

As shown in fig. 1, in the present embodiment, a stopper 16 fixed to one end of the extendable rod 3 is provided in the insertion hole 13, and a stopper portion 17 engaged with the stopper 16 is provided on the operating handle 4. The limiting part 16 is matched with the limiting part 17 to prevent the operating handle 4 from rotating too much, so that the telescopic rod 3 is prevented from being inserted too deeply.

The working process of the telescopic positioning mechanism in the embodiment is briefly described as follows:

the telescopic positioning mechanism is installed on an installation plate 15 of the positioning tool, after the installation part and the positioning tool are fixed, the positioning tool and the installation part are hung into the truss together by using the lifting rope, the operation handle 4 on the telescopic positioning mechanism is rotated to enable the telescopic rod 3 to move, and then the positioning head 8 on the telescopic rod 3 is inserted into a technical hole corresponding to the positioning part 1 to complete positioning.

After the positioning is completed, the installation part is installed, the operating handle 4 is rotated reversely after the installation part is completed, and the telescopic rod 3 drives the positioning head 8 to be separated from the process hole corresponding to the positioning part 1.

The utility model discloses a flexible positioning mechanism, its structural design is reasonable, fixes a position accurate swift, and application scope is wide, can install and realize fixing a position in the place that corresponds, is particularly useful for the hoist frock, if can be applied to automatic escalator head handrail support location frock etc. fix a position accurate, assembly efficiency is high.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a flexible positioning mechanism, its characterized in that is in including fixing base, setting the cover of filling up on the fixing base, run through fill up the telescopic link of cover and be used for driving the telescopic link carries out the handle that stretches out and draws back, be fixed with on the fixing base with handle matched with cutting ferrule and be used for right the motion of telescopic link carries out spacing guide pin bushing, the guide pin bushing cooperatees with filling up the cover.

2. The telescopic positioning mechanism of claim 1, wherein the operating handle is provided with a locking step which is matched with the clamping sleeve on the fixed seat, and the locking step is arranged on the outer circumference of one side of the operating handle close to the clamping sleeve.

3. The telescopic positioning mechanism of claim 1, wherein the operating handle is provided with an insertion hole for inserting the telescopic rod.

4. The telescopic positioning mechanism of claim 3, wherein a limiting member fixed to one end of the telescopic rod is disposed in the insertion hole, and a limiting portion engaged with the limiting member is disposed on the operating handle.

5. The telescopic positioning mechanism of claim 1, wherein a positioning head is fixed to an end of the telescopic rod away from the operating handle, and the end of the positioning head away from the telescopic rod is chamfered.

6. The telescopic positioning mechanism according to claim 5, wherein a plurality of locking holes are formed in the positioning head, and the depth of the locking holes is the same or different.

7. The telescopic positioning mechanism of claim 1, wherein the operating handle is provided with an internal thread, and the telescopic rod is a screw matched with the internal thread.

8. The telescopic positioning mechanism of claim 1, wherein the fixing seat is provided with a cavity for accommodating the cushion cover.

9. The telescopic positioning mechanism of claim 1, wherein the guide sleeve has a hole for the telescopic rod to move, and a locking groove for preventing the guide sleeve from rotating axially is arranged outside the hole.

10. The telescopic positioning mechanism according to any one of claims 1 to 9, wherein the operating portion is formed on an outer circumferential surface of the operating handle.