CN218095291U

CN218095291U - Triangular bracket with sealing lock

Info

Publication number: CN218095291U
Application number: CN202222750443.5U
Authority: CN
Inventors: 徐津; 徐业扬
Original assignee: Zhejiang Lisheng Metal Components Co ltd
Current assignee: Zhejiang Lisheng Metal Components Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2022-12-20
Anticipated expiration: 2032-10-18

Abstract

The utility model belongs to the technical field of measure, especially, relate to a A-frame of sealed lock in area, include: the device comprises a liftable mounting surface, wherein a bolt for fixing a measuring instrument is arranged on the liftable mounting surface, and the liftable mounting surface is provided with a lifting rod; the supporting part comprises a plurality of telescopic supporting legs consisting of main legs and auxiliary legs and a fixed seat; the sealing locking mechanism is arranged on the telescopic supporting leg; wherein, sealed locking mechanical system is located the junction of main leg and vice leg, and the lifter is connected with the fixing base and can follows vertical direction lift removal, for prior art, the utility model discloses a sealed locking mechanical system can prevent that the dirt from invading inside the locking mechanical system to prevent that the dirt from causing the corruption to locking mechanical system, guarantee that the user can effectual regulation telescopic leg, improved the life of A-frame.

Description

A-frame with sealing lock

Technical Field

The utility model belongs to the technical field of measure, especially, relate to a A-frame of sealed lock in area

Background

Tripod stand has been used in the field of surveying for many years, existing tripod stands comprise a generally liftable mounting surface on which measuring equipment can be fixed, the liftable mounting surface being supported by a plurality of legs, as disclosed in patent application No. CN201921223830.5, which comprises a fixed base, the outer side of the fixed base is hinged with three downwardly extending main legs, the lower ends of the main legs are connected with auxiliary legs which can move up and down in the main legs, a lifting rod which can move up and down is connected to the fixed base, the upper end of the lifting rod is detachably connected with a cloud base, a lower adjusting base which can rotate in the front and rear direction is connected to the cloud base, an upper adjusting base which can rotate in the left and right direction is connected to the lower adjusting base, the upper adjusting base is connected to the upper adjusting base, a level connecting table is provided on the level connecting table, a connecting bolt which upwardly extends for connecting the level is provided on the level base, the tripod stand aims at providing an optimal balance to ensure a measuring effect, therefore the legs of the tripod stand can be adjusted telescopically and provided with a locking mechanism to ensure that the tripod stand can be adapted to different terrains and harsh environments, for example, in harsh environments, and to lock the use of the tripod stand, and to reduce the corrosion and to reduce the use life of the tripod stand, and to reduce the corrosion of the use of the tripod stand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem that above-mentioned exists, provide a triangular support of sealed lock in area, reached the effect that improves triangular support life.

In view of this, the utility model provides a triangular support of sealed lock in area, include:

the device comprises a liftable mounting surface, wherein a bolt for fixing a measuring instrument is arranged on the liftable mounting surface, and the liftable mounting surface is provided with a lifting rod;

the supporting part comprises a plurality of telescopic supporting legs consisting of main legs and auxiliary legs and a fixed seat;

the sealing locking mechanism is arranged on the telescopic supporting leg;

the sealing locking mechanism is positioned at the joint of the main leg and the auxiliary leg, and the lifting rod is connected with the fixed seat and can move up and down along the vertical direction.

In this technical scheme, when the A-frame was used in adverse circumstances, sealed locking mechanical system can prevent that the dirt from invading inside the locking mechanical system to prevent that the dirt from causing the corruption to locking mechanical system, guarantee that the user can effectual regulation landing leg that stretches out and draws back, improved the life of A-frame.

In the above technical solution, further, the seal locking mechanism further includes:

the inner sleeve is fixed on the main leg, a sealing strip is arranged between the inner sleeve and the main leg, and external threads are arranged on the surface of the inner sleeve;

the outer sleeve is sleeved on the outer side of the inner sleeve and can rotate around a central shaft of the inner sleeve, and an internal thread matched with the external thread is arranged on the inner surface of the outer sleeve;

the sealing rings are arranged between the outer sleeve and the inner sleeve and are respectively positioned at the upper side and the lower side of the internal thread;

the locking device comprises a locking sleeve, a locking sleeve and a locking mechanism, wherein an inclined surface is arranged on the outer side of the locking sleeve, and a deformation groove is formed in the locking sleeve;

the locking sleeve is arranged between the inner sleeve and the auxiliary leg, the lower end of the inner wall of the inner sleeve is provided with an inclined surface matched with the inclined surface, and the locking sleeve can move up and down along with the rotation of the outer sleeve.

In this technical scheme, when locking flexible landing leg, rotate the outer sleeve, through external screw thread and female screw-thread fit, the outer sleeve can reciprocate along the center pin direction of inner skleeve in the rotation process, the outer sleeve drives the lock sleeve in the in-process of lapse and moves down simultaneously, the lock sleeve move down and with the inclined plane looks mutual separation on the inner skleeve, thereby expand by the state of crimple, and then make vice leg can concertina movement, adjust flexible landing leg, the outer sleeve drives the lock sleeve in the in-process of rebound and moves up simultaneously, the lock sleeve rebound and with the inclined plane on the inner skleeve be close to each other, the inclined plane extrudees each other with the slope surface and makes the lock sleeve shrink, thereby make the lock sleeve compress tightly the surface at vice leg, and then it is fixed vice leg, the sealing ring can effectively prevent that the dirt from invading the region at external screw thread and internal screw thread place, thereby guarantee that sealed retaining member can the steady operation, guarantee that the user can effectual flexible landing leg of adjusting, triangular support's life has been improved.

In the above technical solution, further, the method further includes:

the guide sleeve is sleeved on the lifting rod and is connected with the main legs of the telescopic supporting legs through a plurality of connecting rods;

the fixing piece is arranged on the guide sleeve and used for limiting the lifting movement of the lifting rod.

In the above technical solution, further, the fixing member further includes:

the mounting seat is arranged on the surface of the guide sleeve, and a groove is formed in the mounting seat;

the through hole is arranged in the open groove and penetrates through the inner side of the guide sleeve;

the rubber block is arranged in the through hole;

the rotating column is rotatably arranged in the groove and can rotate eccentrically, and a shifting rod is arranged on the rotating column.

In this technical scheme, user's accessible driving lever rotates the rotation post, rotates the post and carries out eccentric rotation to can cause the extrusion to the block rubber, thereby the block rubber receives and makes the lifter receive frictional resistance with lifter surface butt after the extrusion, and then restricts the lift removal of lifter, has improved measuring instrument's measurement accuracy, and easy operation, convenient to use.

In the above technical solution, further, an anti-slip sleeve is disposed on a surface of the outer sleeve.

In this technical scheme, the frictional force between user's hand and the outer sleeve can be improved to the antiskid cover, prevents to appear skidding phenomenon at locking in-process user's hand and outer sleeve.

The beneficial effects of the utility model are that:

1. by arranging the sealing locking mechanism, the sealing locking mechanism can prevent dirt from invading into the locking mechanism, so that the locking mechanism is prevented from being corroded by the dirt, a user can effectively adjust the telescopic supporting legs, and the service life of the triangular support is prolonged;

2. the fixing piece is arranged to limit the lifting movement of the lifting rod, so that the measuring precision of the measuring instrument is improved, and the measuring instrument is simple to operate and convenient to use;

3. the phenomenon of skidding appears in locking in-process user's hand and outer sleeve through setting up anti-skidding cover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

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

Fig. 2 is a schematic structural view of the front view of the present invention.

Fig. 3 is a schematic structural view of the sealing and locking mechanism of the present invention.

Fig. 4 is a schematic view of the structure of the guide sleeve of the present invention.

Fig. 5 is a schematic view of the fixing member of the present invention.

The labels in the figures are:

1-lifting installation surface, 2-bolt, 3-lifting rod, 4-telescopic supporting leg, 40-main leg, 41-auxiliary leg, 5-fixed seat, 6-sealing locking mechanism, 60-inner sleeve, 61-sealing strip, 62-outer sleeve, 63-sealing ring, 64-locking sleeve, 640-inclined surface, 7-guide sleeve, 8-connecting rod, 9-fixing piece, 90-installation seat, 91-slot, 92-through hole, 93-rubber block, 94-rotating column, 95-deflector rod and 10-antiskid sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 belong to the protection scope of the present invention.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

the embodiment of the application provides a A-frame of sealed lock in area, includes: the device comprises a liftable mounting surface 1, wherein a bolt 2 for fixing a measuring instrument is arranged on the liftable mounting surface 1, and the liftable mounting surface 1 is provided with a lifting rod 3; the supporting part comprises a plurality of telescopic supporting legs 4 and a fixed seat 5, wherein the telescopic supporting legs are composed of a main leg 40 and an auxiliary leg 41; the sealing locking mechanism 6, the sealing locking mechanism 6 is set up on the telescopic leg 4;

wherein, the sealing locking mechanism 6 is positioned at the joint of the main leg 40 and the auxiliary leg 41, and the lifting rod 3 is connected with the fixed seat 5 and can move up and down along the vertical direction.

Moreover, install the structure that is used for locking lifter 3 between lifter 3 and the fixing base 5, it is current conventional structure, like locking bolt and lock sleeve 64 pipe, a plurality of telescopic leg 4 include three telescopic leg 4 at least, and telescopic leg 4's upper end is articulated with the 5 lower surfaces of fixing base, and a plurality of telescopic leg 4 evenly interval distribution are on fixing base 5.

In this embodiment, when the A-frame was used in adverse circumstances, sealed locking mechanical system 6 can prevent that the dirt from invading inside locking mechanical system to prevent that the dirt from causing the corruption to locking mechanical system, guarantee that the user can effectual regulation landing leg 4 that stretches out and draws back, improved the life of A-frame.

Example 2:

the present embodiment provides a sealing and locking mechanism 6, which has the following technical features in addition to the technical solutions of the above embodiments: an inner sleeve 60, wherein the inner sleeve 60 is fixed on the main leg 40, a sealing strip 61 is arranged between the inner sleeve 60 and the main leg 40, and the surface of the inner sleeve 60 is provided with an external thread; the outer sleeve 62 is sleeved outside the inner sleeve 60 and can rotate around the central axis of the inner sleeve 60, and the inner surface of the outer sleeve 62 is provided with an internal thread matched with the external thread; the sealing rings 63 are arranged between the outer sleeve 62 and the inner sleeve 60, and the number of the sealing rings 63 is two, and the two sealing rings are respectively positioned at the upper side and the lower side of the internal thread; the locking sleeve 64, the outside of the locking sleeve 64 has inclined surfaces 640, there are deformation grooves on the locking sleeve 64;

wherein, the locking sleeve 64 is arranged between the inner sleeve 60 and the auxiliary leg 41, the lower end of the inner wall of the inner sleeve 60 is provided with an inclined surface which is matched with the inclined surface 640, and the locking sleeve 64 can move up and down along with the rotation of the outer sleeve 62.

Furthermore, the outer sleeve 62 may include an outer surface defining a pair of grooves, the inner thread of the outer sleeve 62 may include an inner surface defining a set of threads that engage the outer thread definable by the inner sleeve 60, the inner wall of the outer sleeve 62 may be formed with a lower circular groove sized to receive a sealing ring 63 having a depth and/or width slightly greater than the rear circular groove, the outer surface of the inner sleeve may be formed with an upper circular groove sized to receive a sealing ring 63 having a depth and/or width slightly greater than the lower circular groove, the upper portion of the inner sleeve 60 preferably has a greater height, the surface of the upper portion of the inner sleeve 60 serves both to form the upper circular groove and to increase the structural strength of the tripod leg, the surface of the lower portion preferably is approximately co-radial with the upper circular groove so that they form a sealing ring, preferably, the surface of the upper portion is at substantially the same height as the surface of the lower circular groove, the inner sleeve 60 may be secured to the outer surface of the main leg 40, the deformable sealing ring 63 forms a substantially water-tight seal between the inner sleeve 60 and the outer leg, e.g. using an adhesive or a bolt, the relatively low compression and relatively slow reciprocating movement allowing a relatively soft durometer to be used for the sealing ring 63 on the lower side, resulting in a minimum appreciable resistance to the twisting action of the seal locking mechanism 6, two sealing rings 63, one towards the lower portion of the seal locking mechanism 6 and one towards the upper portion of the seal locking mechanism 6, an open area being defined between the inner sleeve 60 and the outer sleeve 62, such that upon rotation of the outer sleeve 62 relative to the inner sleeve 60, the outer sleeve 62 slides in a direction coincident with the central axis of the inner sleeve 60 based on the threads, and, when the outer sleeve 62 slides relative to the inner sleeve 60 within its range of movement, both sealing rings 63 maintain a substantially water tight seal, the inner sleeve 60 includes a ramped surface 640 defined by the interior of the inner sleeve 60, the locking sleeve 64 may include a set of tapered fingers defining the ramped surface 640, the set of tapered fingers being formed of a plurality of deformed slots that resemble an expansion bolt configuration, the slope of the ramped surface 640 of the tapered fingers preferably substantially matches the slope of the inner sleeve 60, preferably the ramped surface 640 is between 5-10 degrees, and more preferably between 6-7 degrees to provide quick locking and unlocking speeds, the ramped surface 640 and the slope may slide relative to each other in face-to-face engagement, the lower end of the inner surface of the outer sleeve 62 is provided with an external protrusion, the locking sleeve 64 preferably includes a circular recess that matches the external protrusion of the outer sleeve 62, the locking sleeve 64 being held in fixed relation to the outer sleeve 62 by the circular recess and the external protrusion.

And, when locking telescopic leg 4, rotate outer sleeve 62, through external screw thread and internal thread fit, outer sleeve 62 can reciprocate along the center pin direction of inner skleeve 60 in the rotation process, outer sleeve 62 drives lock sleeve 64 in the in-process that moves down and moves down simultaneously, lock sleeve 64 moves down and separates from inclined plane on inner skleeve 60 each other, thereby expand by the state of crimpling, and then make vice leg 41 can concertina movement, adjust telescopic leg 4, outer sleeve 62 drives lock sleeve 64 in the in-process that moves up and moves up simultaneously, lock sleeve 64 moves up and is close to each other with the inclined plane on inner skleeve 60, inclined plane and inclined surface 640 extrude each other and make lock sleeve 64 constantly shrink, thereby make lock sleeve 64 compress tightly on the surface of vice leg 41, and then fix vice leg 41, sealing ring 63 can effectively prevent the dirt from invading the region at external screw thread and internal thread place, thereby guarantee that sealed retaining member can steady operation, guarantee that the user can effectual regulation telescopic leg 4, the life of tripod has been improved.

Example 3:

the present embodiment provides a method, which, in addition to the technical solution of the above embodiment, has the following technical features, and further includes: the guide sleeve 7 is sleeved on the lifting rod 3, and the guide sleeve 7 is connected with the main legs 40 of the telescopic supporting legs 4 through the connecting rods 8; the fixing piece 9 is arranged on the guide sleeve 7 and used for limiting the lifting movement of the lifting rod 3;

wherein, one end of the connecting rod 8 is hinged with the guide sleeve 7, and the other end can be hinged with the main leg 40.

The fixing member 9 further includes: the mounting seat 90 is arranged on the surface of the guide sleeve 7, and a slot 91 is formed in the mounting seat 90; a through hole 92, wherein the through hole 92 is arranged in the slot 91 and penetrates to the inner side of the guide sleeve 7; a rubber block 93, the rubber block 93 being disposed in the through hole 92; a rotating post 94, the rotating post 94 is rotatably disposed in the slot 91 and can eccentrically rotate, and a shift lever 95 is disposed on the rotating post 94.

In this embodiment, user's accessible driving lever 95 rotates and rotates post 94, rotates post 94 and carries out eccentric rotation to can cause the extrusion to rubber block 93, thereby rubber block 93 receives behind the extrusion and 3 surface butt of lifter make lifter 3 receive frictional resistance, and then restrict lifter 3's lifting movement, improved measuring instrument's measurement accuracy, and easy operation, convenient to use.

Example 4:

this embodiment provides, in addition to the technical solutions comprising the above-mentioned embodiments, the technical feature that the surface of the outer sleeve 62 is provided with the anti-slip cover 10.

In this embodiment, the anti-slip cover 10 can increase the friction between the hand of the user and the outer sleeve 62, so as to prevent the hand of the user from slipping with the outer sleeve 62 during the locking process.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. A-frame with a sealing lock is characterized by comprising:

the device comprises a liftable mounting surface (1), wherein a bolt (2) for fixing a measuring instrument is arranged on the liftable mounting surface (1), and the liftable mounting surface (1) is provided with a lifting rod (3);

the supporting part comprises a plurality of telescopic supporting legs (4) consisting of main legs (40) and auxiliary legs (41) and a fixed seat (5);

the sealing locking mechanism (6), the said sealing locking mechanism (6) is set up on the telescopic leg (4);

the sealing locking mechanism (6) is located at the joint of the main leg (40) and the auxiliary leg (41), and the lifting rod (3) is connected with the fixed seat (5) and can move in a lifting mode in the vertical direction.

2. Tripod with seal lock according to claim 1, characterized in that the seal locking mechanism (6) further comprises:

the inner sleeve (60) is fixed on the main leg (40), a sealing strip (61) is arranged between the inner sleeve (60) and the main leg (40), and the surface of the inner sleeve (60) is provided with an external thread;

the outer sleeve (62) is sleeved on the outer side of the inner sleeve (60) and can rotate around the central shaft of the inner sleeve (60), and the inner surface of the outer sleeve (62) is provided with an internal thread matched with the external thread;

the sealing rings (63) are arranged between the outer sleeve (62) and the inner sleeve (60), and the number of the sealing rings (63) is two, and the two sealing rings are respectively positioned at the upper side and the lower side of the internal thread;

the locking sleeve (64) is provided with an inclined surface (640) on the outer side of the locking sleeve (64), and a deformation groove is formed in the locking sleeve (64);

the locking sleeve (64) is arranged between the inner sleeve (60) and the auxiliary leg (41), the lower end of the inner wall of the inner sleeve (60) is provided with an inclined surface matched with the inclined surface (640), and the locking sleeve (64) can move up and down along with the rotation of the outer sleeve (62).

3. The tripod with sealing lock of claim 1, further comprising:

the guide sleeve (7) is sleeved on the lifting rod (3), and the guide sleeve (7) is connected with the main legs (40) of the telescopic supporting legs (4) through the connecting rods (8);

the fixing piece (9) is arranged on the guide sleeve (7) and used for limiting the lifting movement of the lifting rod (3);

one end of the connecting rod (8) is hinged with the guide sleeve (7), and the other end of the connecting rod can be hinged with the main leg (40).

4. Tripod with seal lock according to claim 3, characterised in that the fixing piece (9) further comprises:

the mounting seat (90) is arranged on the surface of the guide sleeve (7), and a groove (91) is formed in the mounting seat (90);

the through hole (92) is arranged in the slot (91) and penetrates to the inner side of the guide sleeve (7);

a rubber block (93), the rubber block (93) being disposed in the through hole (92);

the rotating column (94), the rotating column (94) is rotatably arranged in the slot (91) and can eccentrically rotate, and a shifting lever (95) is arranged on the rotating column (94).

5. The tripod with seal lock of claim 2, wherein: the surface of the outer sleeve (62) is provided with an anti-slip sleeve (10).