CN211232289U - Multipurpose support frame - Google Patents

Abstract

The utility model provides a multipurpose support frame, which aims at the defect that a tripod in the prior art is not easy to install and fix a measuring instrument at a higher position, belongs to the technical field of measuring instrument supports, and comprises a support frame and a connecting seat, wherein the lower end of the support frame is provided with a first connecting part; a first groove, a second groove and a third groove are formed in the lower end of the connecting seat, and a fixing shaft and a first supporting leg which are transversely arranged are respectively arranged in the first groove and the second groove; the first supporting leg is provided with an installation surface, the third groove is internally provided with a rotating shaft and a second supporting leg, the side wall of the third groove is provided with a limiting groove, the second supporting leg is provided with a limiting bulge, and the third limiting groove is internally provided with an elastic component; and the upper end of the connecting seat and the inner side surface of the second supporting leg are respectively provided with a second connecting part. The utility model discloses can place subaerial and install and use on the wall, and install the measurement accuracy that can not influence measuring device when using on the wall.

Description

Multipurpose support frame

Technical Field

The utility model belongs to the technical field of the measuring instrument support, concretely relates to multipurpose support frame.

Background

When some measuring instruments are used, such as a level, a tripod is often required for fixing, and in order to ensure the measuring accuracy, the measuring instruments need to be horizontally fixed, so that the tripod can only be placed on a flat ground for use. When a higher position needs to be measured, the measuring instrument needs to be fixed at the higher position, and the common tripod is difficult to meet the height requirement of the measuring instrument and well fix the measuring instrument. If directly fix the measuring instrument on the wall through ordinary mounting bracket, be difficult to guarantee the horizontal installation of measuring instrument, can influence the installation accuracy of measuring instrument.

SUMMERY OF THE UTILITY MODEL

The utility model discloses tripod to among the prior art is difficult for installing fixed drawback at higher position to measuring instrument, provides a multipurpose support frame, but measuring instrument horizontal installation is on this support frame to with support frame fixed mounting on the wall, thereby can fix measuring instrument in higher position.

The invention aims to be realized by the following technical scheme: a multi-purpose support frame comprises a support frame and a connecting seat,

the lower end of the support frame is provided with a first connecting part;

the lower end of the connecting seat is provided with three grooves which are distributed circumferentially around the central axis of the connecting seat, the three grooves are respectively a first groove, a second groove and a third groove, the first groove and the second groove have the same structure, fixed shafts which are transversely arranged are respectively arranged in the first groove and the second groove, first supporting legs which can rotate around the corresponding fixed shafts are respectively arranged in the first groove and the second groove, and the first supporting legs rotate around the fixed shafts and can be switched between a folded state and an unfolded state; the first supporting legs are provided with mounting surfaces, when the first supporting legs are folded, the mounting surfaces of the two first supporting legs are positioned on the same plane, the mounting surfaces are provided with connecting structures capable of fixedly mounting the first supporting legs on a wall surface, first limiting surfaces for limiting the corresponding first supporting legs are respectively arranged in the first grooves and the second grooves, when the first supporting legs are attached to the first limiting surfaces, the first supporting legs are unfolded, and the angle between the first supporting legs and the central axis of the connecting seat is smaller than 90 degrees; the utility model discloses a support seat, including the first supporting leg, be equipped with the pivot of horizontal setting in the third recess, cup jointed in the pivot and can rotate round the pivot and can switch between fold condition, first expansion state, second expansion state along pivot length direction, be equipped with the spacing groove on the third recess with pivot vertically lateral wall, the fixed spacing arch that can imbed the spacing inslot that is equipped with on the side of second supporting leg orientation spacing groove, when spacing arch embedding spacing inslot, the second supporting leg is first expansion state, and the angle of the central axis of second supporting leg and connecting seat equals the angle of first supporting leg and the central axis of connecting seat when the first supporting leg is expansion state this moment, is equipped with in the third recess and is used for the spacing second face of second supporting leg, and when the second supporting leg is laminated with the spacing second face, the second supporting leg is second expansion state and this moment the medial surface of second supporting leg and first supporting leg are folding The mounting surface is vertical in the state; the third limiting groove is also internally provided with an elastic component which can push the second supporting leg to the limiting groove along the rotating shaft;

the upper end of the connecting seat and the inner side surface of the second supporting leg are respectively provided with a second connecting part which can be detachably and fixedly connected with the first connecting part.

In the above scheme, when first supporting legs and second supporting legs are fold condition, first supporting legs and second supporting legs are the vertical setting all, do this moment the utility model discloses a folding state of accomodating can be convenient for accomodate. When first supporting legs is for expansion state, second supporting legs when first expansion state, first supporting legs is the same with the expansion angle of second supporting legs, does this moment the utility model discloses first user state can with the utility model discloses place and use on the plane, measuring instrument fixed mounting is on the support frame, and the support frame is installed on the second connecting portion on the connecting seat through first connecting portion. When the first supporting legs are folded and the second supporting legs are unfolded, the utility model is in a second using state, the mounting surfaces on the two first supporting legs are positioned on the same plane, the inner side surface of the second supporting leg is vertical to the mounting surface, the utility model is fixed on the wall surface through the connecting structure on the first supporting leg, the mounting surface is attached to the wall surface, the measuring instrument is fixedly arranged on the supporting frame, the supporting frame is arranged on the second connecting part on the inner side surface of the second supporting leg through the first connecting part, at the moment, the measuring instrument is fixedly arranged at a higher position for use, the higher position can be measured, simultaneously, the mounting surface is attached to the wall surface because the inner side surface of the second supporting leg is vertical to the mounting surface, therefore, the inner side surface of the second supporting leg is parallel to the ground, the horizontal installation of the measuring instrument can be realized, and the measuring precision of the measuring instrument cannot be influenced.

Preferably, the connecting seat comprises a base, a spherical cavity is arranged in the base and is communicated with the upper end of the base, a ball head is arranged in the spherical cavity, a connecting rod is fixedly connected to the ball head, and the upper end of the connecting rod is fixedly connected with the second connecting part; and the base is also provided with a locking mechanism for locking the ball head. Through the structure, the second connecting part and the connecting rod can rotate together along with the rotation of the ball head in the spherical cavity, so that the position of the second connecting part on the connecting seat can be adjusted, the position of the supporting frame relative to the connecting seat can be adjusted, the ball head can be locked by the locking mechanism after the adjustment is finished, the fixing of the connecting seat is realized, the position adjustment of a measuring instrument installed on the connecting seat can be realized, and the use is more convenient.

Preferably, the base comprises a base and a shell, the shell is fixedly arranged at the upper end of the base, a locking seat capable of deforming is fixedly arranged at the upper end of the base, the locking seat is sleeved in the shell, a first hemispherical groove is arranged at the upper end of the locking seat, an annular groove surrounding the locking seat is arranged on the side surface of the locking seat, the upper side surface of the annular groove is an inclined curved surface gradually expanding outwards from bottom to top, a second hemispherical groove is arranged in the shell, and the second hemispherical groove and the first hemispherical groove are spliced to form the spherical cavity; locking mechanism includes the locking screw with the shell spiro union, and locking screw inner is conical structure, and locking screw outer end fixedly connected with is located the knob in the shell outside, still fixedly connected with is to the protruding stop pin that just transversely sets up in the shell, and the outer end of stop pin is conical structure, locking screw and stop pin are located respectively the both sides of locking seat, and the inner of locking screw and the outer end of stop pin respectively with the laminating of slope curved surface on the ring channel. Because of the inner of locking screw, the banking pin outer end is laminated with the slope curved surface of the upside of ring channel respectively, so when controlling locking screw to move towards the locking seat through rotating the knob, the locking seat can take place deformation, and then oppresses the bulb and realizes the locking to the bulb, and this kind of structure is difficult for causing the damage to the bulb, can prolong the life of bulb.

Preferably, the first connecting part comprises an embedded groove arranged on the lower end surface of the support frame, the side wall of the embedded groove is provided with a mounting groove arranged around the embedded groove, an arc-shaped elastic part is arranged in the mounting groove, a gap is reserved between the outer side surface of the arc-shaped elastic part and the inner wall of the mounting groove, the central angle of the arc-shaped elastic part is larger than 180 degrees, the inner side surface of the arc-shaped elastic part is fixedly connected with a plurality of clamping blocks arranged around the central axis of the arc-shaped elastic part, the upper end surface of each clamping block is an inclined surface gradually inclined towards the center of the arc-shaped elastic part from top to bottom, the lower end surface of each clamping block is an inclined surface gradually inclined towards; the second connecting portion are including being used for playing the brace table of supporting role to the support frame, brace table upper end fixedly connected with pipe tubular structure's connecting pipe, the fixed snap ring that is equipped with annular structure on the connecting pipe, be equipped with on the snap ring two respectively with both ends face complex inclined plane about the snap ring. The inclined plane at both ends cooperates with the inclined plane on the snap ring about the fixture block, can realize quick installation and dismantlement between first connecting portion and the second connecting portion, and it is very convenient to use.

Preferably, a round rod capable of being inserted into the inner cavity of the connecting pipe is fixedly arranged in the support frame, and the round rod is located in the embedded groove. The pipe inserts the connecting pipe inner chamber, can play the supporting role to the connecting pipe, avoids first connecting portion and second connecting portion connection in-process to receive the extrusion because of the snap ring and leads to the connecting pipe to warp.

Preferably, the upper end of the support frame is vertically and fixedly connected with a vertically arranged stud, and the lower end of the stud is fixedly connected with the round rod. The bottom of the existing measuring instrument is basically provided with a screw hole, and the screw hole can be matched with a stud to realize the fixed installation of the measuring instrument on a support frame.

Preferably, the support frame is a Y-shaped structure, and the three legs of the support foot protrude downwards relative to the main body of the support frame. The support frame with the structure can be used as a small tripod, and is simple in structure, good in structural strength and stable.

Preferably, the connecting structure comprises a fixing plate fixed on one of the first supporting legs, the outer side surface of the fixing plate is flush with the mounting surface, and a fixing hole is formed in the fixing plate. In the in-service use, at first nail on the wall, hang the fixed plate on the nail through the fixed orifices again to make installation face and the wall laminating on the first supporting legs, thereby realize will the utility model discloses install on the wall.

Preferably, the connecting structure further comprises an invagination groove arranged on the mounting surface of the first supporting leg, a magnet is fixedly arranged in the invagination groove, and the outer side surface of the magnet is flush with the mounting surface. Install on metal wall or the wall that contains the metal the utility model discloses the time, accessible magnet will the utility model discloses adsorb on the wall, it is very convenient.

As preferred, the medial surface of first supporting legs is equipped with first fluting, is equipped with the second fluting on the installation face of first supporting legs, works as when first supporting legs, second supporting legs are folding state, first supporting legs and second supporting legs all are vertical state and two first supporting legs and a second supporting legs draw in together, and the first fluting amalgamation on two first supporting legs forms the first groove of accomodating this moment, and the second fluting amalgamation on two first supporting legs forms the second groove of accomodating, the second connecting portion on the second supporting legs is located the first inslot of accomodating, the fixed plate is located the second is accomodate the inslot, and the fixed plate is rather than the second fluting bottom surface fixed connection of one of first supporting legs. Set up like this and to avoid the second connecting portion on fixed plate, the second supporting legs right the utility model discloses a folding influence that causes, it is more convenient to use.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses have two kinds of user state, can make the utility model discloses place subaerial and install and use on the wall, and install when using on the wall, measuring device still can install on the medial surface on the second supporting legs parallel with ground, can not influence measuring device's measurement accuracy like this, and it is very convenient to use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 6 is a perspective view of the connecting seat;

FIG. 7 is a bottom view of the connecting seat;

FIG. 8 is a perspective view of a circular arc-shaped elastic member;

FIG. 9 is a cross-sectional view of the second connecting portion;

FIG. 10 is a perspective view of a second support foot;

FIG. 11 is a front view of the fixing plate;

FIG. 12 is a schematic view of the present invention in use;

the labels in the figure are: 1. the support frame, 2, a connecting seat, 3, a first connecting part, 4, an embedded groove, 5, a mounting groove, 6, an arc-shaped elastic element, 7, a clamping block, 8, a first groove, 9, a second groove, 10, a third groove, 11, a fixing shaft, 12, a first supporting foot, 13, a mounting surface, 14, a connecting structure, 15, a fixing plate, 16, a fixing hole, 17, an inner sunken groove, 18, a magnet, 19, a first limiting surface, 20, a rotating shaft, 21, a second supporting foot, 22, a limiting groove, 23, a limiting bulge, 24, a second limiting surface, 25, an elastic element, 26, a second connecting part, 27, a base, 28, a spherical cavity, 29, a ball head, 30, a connecting rod, 31, a supporting table, 32, a connecting pipe, 33, a clamping ring, 34, a round rod, 35, a stud, 36, a base, 37, a shell, 38, a locking seat, 39, a first semi-spherical groove, 40, an annular groove, 41 and a second semi-spherical groove, 42. locking mechanism, 43, locking screw, 44, knob, 45, stop pin, 46, first fluting, 47, second fluting, 48, penetrating hole, 49, joint hole.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1-11, a multi-purpose support frame comprises a support frame 1 and a connecting seat 2,

the support frame 1 is of a Y-shaped structure, and three support legs of the support frame 1 protrude downwards relative to the main body part of the support frame 1. 1 lower extreme of support frame is equipped with first connecting portion 3, first connecting portion 3 is including setting up embedded groove 4 at support frame 1 lower terminal surface, and embedded groove 4 lateral wall is equipped with the mounting groove 5 that sets up around embedded groove 4, be equipped with convex elastic component 6 in the mounting groove 5, leave the interval between 6 lateral surfaces of convex elastic component and the 5 inner walls of mounting groove, and the central angle of this convex elastic component 6 is greater than 180, the medial surface fixedly connected with of convex elastic component 6 a plurality of fixture blocks 7 that set up around the central axis of convex elastic component 6, the up end of fixture block 7 is the inclined plane that from top to bottom slopes to 6 centers of convex elastic component gradually, and the lower terminal surface of fixture block 7 is by supreme inclined plane to 6 centers of convex elastic component slope gradually down, leaves the interval between the adjacent fixture block 7.

The lower end of the connecting seat 2 is provided with three grooves which are distributed circumferentially around the central axis of the connecting seat 2, the three grooves are respectively a first groove 8, a second groove 9 and a third groove 10, the first groove 8 and the second groove 9 have the same structure, fixing shafts 11 which are transversely arranged are respectively arranged in the first groove 8 and the second groove 9, first supporting legs 12 which can rotate around the corresponding fixing shafts 11 are respectively arranged in the first groove 8 and the second groove 9, and the first supporting legs 12 can be switched between a folded state and an unfolded state after rotating around the fixing shafts 11; be equipped with installation face 13 on first supporting foot 12, when first supporting foot 12 is fold condition, installation face 13 on two first supporting feet 12 is located the coplanar, be equipped with on installation face 13 and can be with the connection structure 14 of first supporting foot 12 fixed mounting on the wall, connection structure 14 is including fixing one of them fixed plate 15 on first supporting foot 12, this fixed plate 15 the lateral surface with installation face 13 flushes, fixed orifices 16 has been seted up on fixed plate 15, connection structure 14 is still including setting up the interior groove 17 that caves in on the installation face 13 of first supporting foot 12, and interior groove 17 internal fixation is equipped with magnet 18, and magnet 18 lateral surface flushes with installation face 13. The first groove 8 and the second groove 9 are respectively provided with a first limiting surface 19 for limiting the corresponding first supporting leg 12, when the first supporting leg 12 is attached to the first limiting surface 19, the first supporting leg 12 is in an unfolded state, and the angle between the first supporting leg 12 and the central axis of the connecting seat 2 is less than 90 degrees; a rotating shaft 20 which is transversely arranged is arranged in the third groove 10, a second supporting leg 21 which can rotate around the rotating shaft 20 and can move along the length direction of the rotating shaft 20 is sleeved on the rotating shaft 20, the second supporting leg 21 can rotate around the rotating shaft 20 and can be switched between a folding state, a first unfolding state and a second unfolding state, a limiting groove 22 is arranged on the side wall, perpendicular to the rotating shaft 20, of the third groove 10, a limiting bulge 23 which can be embedded into the limiting groove 22 is fixedly arranged on the side surface, facing the limiting groove 22, of the second supporting leg 21, when the limiting bulge 23 is embedded into the limiting groove 22, the second supporting leg 21 is in the first unfolding state, the angle between the second supporting leg 21 and the central axis of the connecting seat 2 is equal to the angle between the first supporting leg 12 and the central axis of the connecting seat 2 when the first supporting leg 12 is in the unfolding state, and a second limiting surface 24 which is used for limiting the second supporting leg 21, when the second supporting leg 21 is attached to the second limiting surface 24, the second supporting leg 21 is in a second unfolded state, and the inner side surface of the second supporting leg 21 is perpendicular to the mounting surface 13 when the first supporting leg 12 is in a folded state; an elastic part 25 capable of pushing the second supporting leg 21 to the limiting groove 22 along the rotating shaft 20 is further arranged in the third limiting groove 22;

the upper end of the connecting seat 2 and the inner side surface of the second supporting leg 21 are respectively provided with a second connecting part 26 which can be detachably and fixedly connected with the first connecting part 3.

Connecting seat 2 includes base 27, is equipped with spherical chamber 28 in the base 27, spherical chamber 28 with the upper end intercommunication of base 27, be equipped with bulb 29 in the spherical chamber 28, fixedly connected with connecting rod 30 on the bulb 29, connecting rod 30 upper end fixedly connected with second connecting portion 26, second connecting portion 26 including being used for supporting 31 to support frame 1, supporting 31 upper end fixedly connected with pipe shaped structure's connecting pipe 32, the fixed snap ring 33 that is equipped with ring shaped structure on the connecting pipe 32, be equipped with on the snap ring 33 two respectively with both ends face complex inclined plane about the snap ring 7. A round rod 34 capable of being inserted into the inner cavity of the connecting pipe 32 is fixedly arranged in the support frame 1, and the round rod 34 is positioned in the embedded groove 4. The upper end of the support frame 1 is vertically and fixedly connected with a vertically arranged stud 35, and a measuring instrument can be installed on the stud 35 when the support frame is used. The lower end of the stud 35 is fixedly connected with the round rod 34. The base 27 comprises a base 36 and a shell 37, the shell 37 is fixedly installed at the upper end of the base 36, a deformable locking seat 38 is fixedly arranged at the upper end of the base 36, the locking seat 38 is sleeved in the shell 37, a first hemispherical groove 39 is arranged at the upper end of the locking seat 38, an annular groove 40 which surrounds the locking seat 38 is arranged on the side surface of the locking seat 38, the upper side surface of the annular groove 40 is an inclined curved surface which gradually expands outwards from bottom to top, a second hemispherical groove 41 is arranged in the shell 37, and the second hemispherical groove 41 and the first hemispherical groove 39 are spliced to form the spherical cavity 28; the outer shell 37 of the base 27 is further provided with a locking mechanism 42 for locking the ball head 29, the locking mechanism 42 comprises a locking screw 43 in threaded connection with the outer shell 37, the inner end of the locking screw 43 is of a conical structure, the outer end of the locking screw 43 is fixedly connected with a knob 44 located on the outer side of the outer shell 37, a limit nail 45 which protrudes inwards the outer shell 37 and is transversely arranged is further fixedly connected in the outer shell 37, the outer end of the limit nail 45 is of a conical structure, the locking screw 43 and the limit nail 45 are respectively located on two sides of the locking seat 38, and the inner end of the locking screw 43 and the outer end of the limit nail 45 are respectively attached to the inclined curved surface on the annular groove 40.

The medial surface of first supporting leg 12 is equipped with first fluting 46, is equipped with second fluting 47 on the installation face 13 of first supporting leg 12, works as when first supporting leg 12, second supporting leg 21 all are fold condition, and first supporting leg 12 and second supporting leg 21 all draw in together for vertical state and two first supporting legs 12 and a second supporting leg 21, and the first fluting 46 amalgamation on two first supporting legs 12 forms the first groove of accomodating this moment, and the second fluting 47 amalgamation on two first supporting legs 12 forms the second groove of accomodating, second connecting portion 26 on the second supporting leg 21 is located the first inslot of accomodating, fixed plate 15 is located the second is accomodate the inslot, and fixed plate 15 and the second fluting 47 bottom surface fixed connection of one of them first supporting leg 12. Set up like this and can be convenient for accomodating of second connecting portion 26 on fixed plate 15, the second supporting legs 21, make second connecting portion 26 on fixed plate 15, the second supporting legs 21 can not influence the utility model discloses a folding accomodating.

The utility model discloses have folding state of accomodating, first user state, the three kinds of states of second user state, following do the utility model discloses the instruction for use when three kinds of states:

(1) when the utility model discloses a during the folding state of accomodating, first supporting legs 12 and second supporting legs 21 all are fold condition and first supporting legs 12 and second supporting legs 21 all vertical setting, can be convenient for accomodate this moment.

(2) When the utility model discloses when switching over to first user state from folding the state of accomodating, with first supporting legs 12, second supporting legs 21 outwards rotates, makes first supporting legs 12 and spacing face laminating, and spacing arch 23 on the second supporting legs 21 is embedded into spacing groove 22 under elastomeric element 25's effect, and second supporting legs 21 can't continue to rotate round pivot 20, and first supporting legs 12 is expansion state this moment, and second supporting legs 21 is first expansion state, this moment the utility model discloses a first supporting legs 12 equals with second supporting legs 21's expansion angle, the utility model discloses can place and use on the horizontal plane, measuring instrument fixed mounting is on support frame 1, and support frame 1 is installed on second connecting portion 26 on connecting seat 2 through the first connecting portion 3 that sets up.

(3) When the utility model is switched from the first use state to the second use state, as shown in fig. 12, the utility model is inverted, the second supporting leg 21 is pushed towards the elastic part 25 side to separate the limiting bulge 23 from the limiting groove 22, at this time, the second supporting leg 21 can continue to rotate around the rotating shaft 20 until the second supporting leg 21 is jointed with the second limiting surface 24, the first supporting leg 12 is reversely rotated to joint the two first supporting legs 12 together, the mounting surfaces 13 on the two first supporting legs 12 are positioned on the same plane, at this time, the inner side surface on the second supporting leg 21 is perpendicular to the mounting surface 13 on the first supporting leg 12, then the supporting frame 1 provided with the measuring instrument is mounted on the second connecting part 26 on the second supporting leg 21, and the utility model is mounted on the wall to joint the mounting surface 13 on the first supporting leg 12 with the wall surface through the connecting structure 14, therefore, the measuring instrument can be installed at a higher position without influencing the installation height of the measuring instrument.

In order to make the fixed plate 15 hook more firm on the nail on the wall, will fixed orifices 16 on the fixed plate 15 design into the through hole 48 and the joint hole 49 two parts of intercommunication, and the diameter of joint hole 49 is less than the diameter of through hole 48, works as the utility model discloses when inverting, joint hole 49 is located through hole 48 directly over. In the case of a wall nail, the head of the nail has a diameter smaller than the diameter of the through hole 48 and larger than the diameter of the engaging hole 49.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A multipurpose support frame is characterized by comprising a support frame and a connecting seat,

the lower end of the support frame is provided with a first connecting part;

the lower end of the connecting seat is provided with three grooves which are distributed circumferentially around the central axis of the connecting seat, the three grooves are respectively a first groove, a second groove and a third groove, the first groove and the second groove have the same structure, fixed shafts which are transversely arranged are respectively arranged in the first groove and the second groove, first supporting legs which can rotate around the corresponding fixed shafts are respectively arranged in the first groove and the second groove, and the first supporting legs rotate around the fixed shafts and can be switched between a folded state and an unfolded state; the first supporting legs are provided with mounting surfaces, when the first supporting legs are folded, the mounting surfaces of the two first supporting legs are positioned on the same plane, the mounting surfaces are provided with connecting structures capable of fixedly mounting the first supporting legs on a wall surface, first limiting surfaces for limiting the corresponding first supporting legs are respectively arranged in the first grooves and the second grooves, when the first supporting legs are attached to the first limiting surfaces, the first supporting legs are unfolded, and the angle between the first supporting legs and the central axis of the connecting seat is smaller than 90 degrees; the utility model discloses a support seat, including the first supporting leg, be equipped with the pivot of horizontal setting in the third recess, cup jointed in the pivot and can rotate round the pivot and can switch between fold condition, first expansion state, second expansion state along pivot length direction, be equipped with the spacing groove on the third recess with pivot vertically lateral wall, the fixed spacing arch that can imbed the spacing inslot that is equipped with on the side of second supporting leg orientation spacing groove, when spacing arch embedding spacing inslot, the second supporting leg is first expansion state, and the angle of the central axis of second supporting leg and connecting seat equals the angle of first supporting leg and the central axis of connecting seat when the first supporting leg is expansion state this moment, is equipped with in the third recess and is used for the spacing second face of second supporting leg, and when the second supporting leg is laminated with the spacing second face, the second supporting leg is second expansion state and this moment the medial surface of second supporting leg and first supporting leg are folding The mounting surface is vertical in the state; an elastic component capable of pushing the second supporting leg to the limiting groove along the rotating shaft is further arranged in the third groove;

the upper end of the connecting seat and the inner side surface of the second supporting leg are respectively provided with a second connecting part which can be detachably and fixedly connected with the first connecting part.

2. The multipurpose support stand of claim 1, wherein the connecting base includes a base, a spherical cavity is formed in the base, the spherical cavity is communicated with the upper end of the base, a ball head is formed in the spherical cavity, a connecting rod is fixedly connected to the ball head, and the second connecting portion is fixedly connected to the upper end of the connecting rod; and the base is also provided with a locking mechanism for locking the ball head.

3. The multipurpose support frame according to claim 2, wherein the base comprises a base and a housing, the housing is fixedly arranged at the upper end of the base, a deformable locking seat is fixedly arranged at the upper end of the base, the locking seat is sleeved in the housing, a first hemispherical groove is arranged at the upper end of the locking seat, an annular groove arranged around the locking seat is arranged on the side surface of the locking seat, the upper side surface of the annular groove is an inclined curved surface gradually expanding outwards from bottom to top, a second hemispherical groove is arranged in the housing, and the second hemispherical groove and the first hemispherical groove are spliced to form the spherical cavity; locking mechanism includes the locking screw with the shell spiro union, and locking screw inner is conical structure, and locking screw outer end fixedly connected with is located the knob in the shell outside, still fixedly connected with is to the protruding stop pin that just transversely sets up in the shell, and the outer end of stop pin is conical structure, locking screw and stop pin are located respectively the both sides of locking seat, and the inner of locking screw and the outer end of stop pin respectively with the laminating of slope curved surface on the ring channel.

4. The multipurpose support frame according to claim 3, wherein the first connecting portion comprises an embedded groove arranged on the lower end surface of the support frame, the side wall of the embedded groove is provided with a mounting groove arranged around the embedded groove, an arc-shaped elastic member is arranged in the mounting groove, a gap is reserved between the outer side surface of the arc-shaped elastic member and the inner wall of the mounting groove, the central angle of the arc-shaped elastic member is larger than 180 degrees, the inner side surface of the arc-shaped elastic member is fixedly connected with a plurality of clamping blocks arranged around the central axis of the arc-shaped elastic member, the upper end surfaces of the clamping blocks are inclined planes which are gradually inclined towards the center of the arc-shaped elastic member from top to bottom, the lower end surfaces of the clamping blocks are inclined planes which are gradually inclined towards;

the second connecting portion are including being used for playing the brace table of supporting role to the support frame, brace table upper end fixedly connected with pipe tubular structure's connecting pipe, the fixed snap ring that is equipped with annular structure on the connecting pipe, be equipped with on the snap ring two respectively with both ends face complex inclined plane about the snap ring.

5. The multipurpose support stand of claim 4, wherein a round bar capable of being inserted into the inner cavity of the connecting tube is fixedly arranged in the support stand and is positioned in the embedded groove.

6. The multipurpose support stand of claim 5, wherein a vertically arranged stud is vertically and fixedly connected to the upper end of the support stand, and the lower end of the stud is fixedly connected to the round bar.

7. The multipurpose support stand of claim 1, wherein the support stand is a Y-shaped structure with three legs of the support stand projecting downwardly relative to the main body portion of the support stand.

8. The multipurpose support stand of claim 1, wherein the connecting structure includes a fixing plate fixed to one of the first support legs, an outer side surface of the fixing plate is flush with the mounting surface, and a fixing hole is formed in the fixing plate.

9. The multipurpose support stand of claim 8, wherein the connection structure further comprises an invagination groove disposed on the mounting surface of the first support leg, a magnet is fixedly disposed in the invagination groove, and the outer side surface of the magnet is flush with the mounting surface.

10. The multipurpose support frame according to claim 8, wherein the inner side surface of the first support leg is provided with a first open groove, the mounting surface of the first support leg is provided with a second open groove, when the first support leg and the second support leg are both folded, the first support leg and the second support leg are both in a vertical state, and the two first support leg and the second support leg are folded together, at this time, the first open grooves on the two first support legs are spliced to form a first accommodating groove, the second open grooves on the two first support legs are spliced to form a second accommodating groove, the second connecting part on the second support leg is located in the first accommodating groove, the fixing plate is located in the second accommodating groove, and the fixing plate is fixedly connected with the bottom surface of the second open groove of one of the first support legs.

Images