CN211423098U - Structure convenient to installation and combined fixing frame comprising structure - Google Patents

Abstract

The utility model provides a structure convenient for installation, which comprises a straight pipe, wherein one end of the straight pipe is connected with a joint in a threaded manner, the other end of the straight pipe is connected with an auxiliary thread bush, and the auxiliary thread bush is connected with the joint in a threaded manner; threads are arranged at two ends of the auxiliary thread sleeve, one end of the auxiliary thread sleeve is provided with a positive thread, and the other end of the auxiliary thread sleeve is provided with a negative thread; threads are arranged at two ends of the straight pipe, one end of the straight pipe is a positive thread, and the other end of the straight pipe is a negative thread; the positive thread end of the auxiliary thread sleeve is connected with the positive thread end of the straight pipe, and the reverse thread end of the auxiliary thread sleeve is connected with the reverse thread end of the joint. The utility model also provides a fixing frame which is formed by combining a plurality of the structures convenient to install; the bottom of the fixing frame is in threaded connection with a supporting leg part. Structure convenient to installation reaches the combination mount including this structure, the design is nimble, makes things convenient for the dismouting.

Description

Structure convenient to installation and combined fixing frame comprising structure

Technical Field

The utility model belongs to the composite mounting frame field especially relates to a structure convenient to installation reaches composite mounting frame including this structure.

Background

At present, a plurality of fixing frames for placing goods exist in the market, however, the fixing frames are not convenient to detach, and therefore the occupied space of the fixing frames is too large when the fixing frames are not used. In addition, even if the fixing frame can be disassembled, in the process of installing the fixing frame, part of parts need to be adjusted to proper positions, and the position change of a single part often can seriously affect the overall installation of the fixing frame and even cause the fixing frame to incline and topple. Therefore, there is a need for a structure and a combined fixing frame including the same, which are easy to install and improve the stability of the fixing frame during the installation process.

Disclosure of Invention

In view of this, an object of the present invention is to provide a structure convenient for installation to overcome the defect of unstable installation of the conventional fixing frame.

The second objective of the present invention is to provide a combined fixing frame with the above structure.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a structure convenient to install comprises a straight pipe, wherein one end of the straight pipe is in threaded connection with a joint, the other end of the straight pipe is connected with an auxiliary threaded sleeve, and the auxiliary threaded sleeve is in threaded connection with the joint; threads are arranged at two ends of the auxiliary thread sleeve, one end of the auxiliary thread sleeve is provided with a positive thread, and the other end of the auxiliary thread sleeve is provided with a negative thread; threads are arranged at two ends of the straight pipe, the thread directions of the two ends of the straight pipe are opposite, one end of the straight pipe is a positive thread, and the other end of the straight pipe is a negative thread; the positive thread end of the auxiliary thread sleeve is connected with the positive thread end of the straight pipe, and the reverse thread end of the auxiliary thread sleeve is connected with the joint.

Furthermore, the joint comprises a four-way joint, an elbow joint, a T-shaped joint and an angle joint part; each fitting has at least one socket for connection of an auxiliary thread sleeve.

Furthermore, the four-way joint comprises an upper connecting part and a lower connecting part, wherein a positive thread connecting part and a negative thread connecting part are symmetrically arranged between the upper connecting part and the lower connecting part; the positive thread connecting part is provided with positive threads, and the negative thread connecting part is provided with negative threads.

Further, the elbow joint is provided with elbow threads; the T-shaped joint consists of a positive thread side pipe connecting part and a negative thread straight pipe connecting part; the angle joint component consists of an angle joint positive thread connecting part and an angle joint negative thread connecting part which are perpendicular to each other.

The second purpose of the utility model is realized by adopting the following technical scheme:

a kind of association fixed mount, characterized by: the joint, the auxiliary thread sleeve and the straight pipe are combined and connected to form at least one horizontal frame; the straight pipe comprises a vertical pipe in the Z direction, a transverse pipe in the X direction, a side pipe in the Y direction and a top pipe in the Y direction; two threaded ends of the vertical pipe are in threaded connection with corresponding joints; the plane of the horizontal frame at least comprises four structures which are convenient to install and are one of the purposes of the utility model; the bottom of the combined fixing frame is in threaded connection with a supporting leg part.

Further, the reverse thread end of the side pipe, the reverse thread end of the transverse pipe and the reverse thread end of the top pipe are in threaded connection with the reverse thread ends of the corresponding connectors; the positive thread end of the side pipe, the positive thread end of the transverse pipe and the positive thread end of the top pipe are in threaded connection with the positive thread end of the auxiliary thread sleeve, and the auxiliary thread sleeve is in threaded connection with the sleeve joint of the corresponding joint.

Furthermore, the supporting leg part comprises a supporting rod, supporting rod threads are arranged on the supporting rod, and a supporting plate is fixed at the lower end of the supporting rod.

Furthermore, as a preferred form of the combined fixing frame, the fixing frame is divided into an upper horizontal frame and a lower horizontal frame, and the horizontal frame has a structure which is convenient to install and is one of the four purposes of the utility model; the horizontal frame is formed by connecting four-way joints, four auxiliary thread sleeves, two transverse pipes and two side pipes into a rectangle; the two horizontal frames are connected into two lower vertical frames through vertical pipes and four-way joints; the upper horizontal frame is combined and connected into an upper vertical frame through a vertical pipe, an elbow joint and a jacking pipe.

Further, as a preferred form of the combined fixing frame, the fixing frame is divided into an upper horizontal frame and a lower horizontal frame; the horizontal frame has a structure which is convenient to install and is one of the four purposes of the utility model; the upper horizontal frame is formed by connecting four end joints, four auxiliary threads, two transverse pipes and two side pipes into a rectangle; the lower horizontal frame is formed by connecting four-way joints, four auxiliary thread sleeves, two transverse pipes and two side pipes into a rectangle.

Furthermore, as a preferred form of the combined fixing frame, six T-shaped joints, five auxiliary thread sleeves, a transverse pipe and four side pipes are connected into an I-shaped horizontal frame, and the horizontal frame has five structures which are convenient to install and are one of the purposes of the utility model; the positive thread side pipe connecting part of the T-shaped joint is respectively connected with the positive thread ends of the two side pipes, the sleeve joint of the T-shaped joint is connected with the reverse thread end of the auxiliary thread sleeve, and the positive thread end of the auxiliary thread sleeve is connected with the positive thread end of the transverse pipe.

Compared with the prior art, a structure convenient to installation and including the combination mount of this structure have following advantage:

(1) the utility model discloses be provided with supplementary thread bush, supplementary thread bush plays supplementary connection effect, can realize that the mount is to X in the installation to, Y is to the local position adjustment of straight tube to avoid local adjustment to cause the mount to collapse in the installation, increased the convenience of installation.

(2) The utility model discloses be provided with positive screw thread and negative thread on each part, just can realize only rotatory straight tube just can realize the fixed to the mount, convenient operation has simplified the installation of mount in the setting of positive, negative thread.

(3) Mount convenient to installation, can select different straight tubes, joint to make up according to actual need during the installation, the design is nimble, makes things convenient for the dismantlement and the equipment of mount.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an overall structure of a fixing rack with a shelf convenient to install according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a fixing frame convenient to mount according to an embodiment of the present invention;

fig. 3 is a schematic structure of a three-dimensional installation process of the fixing frame convenient to install according to the embodiment of the present invention;

fig. 4 is a schematic view of the four-way joint according to the embodiment of the present invention;

fig. 5 is a schematic view of an elbow joint according to an embodiment of the present invention;

fig. 6 is a schematic view of an auxiliary thread bushing according to an embodiment of the present invention;

fig. 7 is a schematic view of a straight pipe according to an embodiment of the present invention;

FIG. 8 is a schematic view of a leg assembly according to an embodiment of the present invention;

fig. 9 is a schematic view of an auxiliary thread bushing and a direct connection structure according to an embodiment of the present invention;

fig. 10 is a schematic view of a connection relationship among the auxiliary thread bushing, the straight pipe, and the four-way joint according to the embodiment of the present invention;

fig. 11 is a schematic view illustrating the top of the easy-to-mount fixing frame of the embodiment of the present invention being mounted by using an end fitting;

fig. 12 is a schematic view of a connection relationship among the T-joint, the side pipe, and the auxiliary thread bushing according to the embodiment of the present invention;

FIG. 13 is a schematic view showing the connection among the elbow joint, the side pipe, the auxiliary thread bushing, and the corner joint according to the embodiment of the present invention;

fig. 14 is a schematic view of a connection relationship between a straight pipe (internal thread), an auxiliary thread bushing, and a four-way joint (external thread) according to an embodiment of the present invention;

fig. 15 is a schematic view of a connection relationship between a straight pipe (external thread), an auxiliary thread bushing, and a four-way joint (internal thread) according to an embodiment of the present invention;

fig. 16 is a schematic view of a shelf structure according to an embodiment of the present invention.

Description of reference numerals:

a 1-upper vertical frame; a 2-lower vertical frame; b1-middle horizontal frame; b2-lower horizontal frame; c, a shelf; c1-shelf slot;

1, 1A, 1B-straight tube; 11, 12-straight pipe threads; 1 a-a vertical tube; 1 b-a transverse pipe; 1 c-side tube; 1 d-jacking pipe;

2, 2A-four-way joint; 21a, 21 b-upper and lower connecting parts; 22, 21A-positive thread connection; 23, 23A, 24A-reverse thread connection; 24-positive thread; 25-reverse thread;

3-an elbow joint; 31-elbow threads;

4, 4A, 4B-auxiliary thread sleeve; 41-positive thread socket part; 42-a reverse-threaded protrusion; 43-positive thread projection; 44-a reverse-threaded socket portion;

5-a leg member; 51-a strut; 52-strut threads; 53-plate support;

6-end fitting;

7-T-shaped joint; 71a, 71 b-positive thread side tube connection; 72-reverse-thread straight pipe connection;

8-angle joint components; 81-angle joint positive thread connection; 82-angle joint reverse thread connection.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

According to the drawings of fig. 1-16, a structure convenient for installation comprises straight pipes 1, 1A and 1B, wherein one ends of the straight pipes 1, 1A and 1B are connected with joints in a threaded manner, the other ends of the straight pipes 1, 1A and 1B are connected with auxiliary thread bushes 4, 4A and 4B, and the auxiliary thread bushes 4, 4A and 4B are connected with the joints in a threaded manner; threads are arranged at two ends of the auxiliary thread sleeves 4, 4A and 4B, one end is provided with a positive thread, and the other end is provided with a negative thread; threads 11 and 12 are arranged at two ends of the straight pipes 1, 1A and 1B, the thread directions of the two ends of the straight pipes 1, 1A and 1B are opposite, one end is a positive thread, and the other end is a negative thread; the positive thread ends of the auxiliary thread sleeves 4, 4A and 4B are connected with the positive thread end of the straight pipe, and the negative thread ends of the auxiliary thread sleeves 4, 4A and 4B are connected with the negative thread end of the joint.

The connector comprises a four- way connector 2, 2A, an elbow connector 3, a T-shaped connector 7 and an angle connector part 8, wherein each connector is provided with at least one socket connector used for connecting auxiliary thread sockets 4, 4A and 4B.

In a preferred embodiment, the four-way joint 2, 2A includes upper and lower connecting portions 21A, 21b, and a positive screw connecting portion 22, 21A and a negative screw connecting portion 23, 23A are symmetrically disposed between the upper and lower connecting portions 21A, 21 b; the positive thread connecting portions 22, 21A are provided with positive threads 24, and the negative thread connecting portions 23, 23A, 24A are provided with negative threads 25.

As a preferred embodiment, the elbow joint 3 is provided with elbow threads 31; the T-shaped joint 7 consists of positive thread side pipe connecting parts 71a and 71b and a reverse thread straight pipe connecting part 72; the angle joint member 8 is composed of an angle joint positive thread connecting portion 81 and an angle joint negative thread connecting portion 82 which are perpendicular to each other.

As shown in fig. 1-16, a combined fixing frame is characterized in that: the joint is formed by connecting a plurality of joints, auxiliary thread sleeves 4, 4A and 4B and straight pipes 1, 1A and 1B in a combined thread manner, so that a lower horizontal frame B2 and a middle horizontal frame B1 are formed;

the straight pipes 1, 1A and 1B comprise a vertical pipe 1A in the Z direction, a transverse pipe 1B in the X direction, a side pipe 1c in the Y direction and a top pipe 1d in the Y direction;

as a preferred embodiment, the two threaded ends of the vertical pipe 1a are screwed with respective joints; the plane in which the lower horizontal frame B2 or the middle horizontal frame B1 lies includes at least the described structure for ease of installation.

In a preferred embodiment, the reverse threaded end of the side pipe 1c, the reverse threaded end of the transverse pipe 1B, and the reverse threaded end of the top pipe 1d are in threaded connection with corresponding joints, the forward threaded end of the side pipe 1c, the forward threaded end of the transverse pipe 1B, and the forward threaded end of the top pipe 1d are in threaded connection with the auxiliary thread bushings 4, 4A, and 4B, and the auxiliary thread bushings 4, 4A, and 4B are in threaded connection with corresponding joints.

In a preferable embodiment, a supporting leg part (5) is connected to the bottom of the fixing frame in a threaded mode; the leg part 5 comprises a support rod 51, a support rod thread 52 is arranged on the support rod 51, and a support plate 53 is fixed at the lower end of the support rod 51.

According to fig. 1-3 and 16, as an example, the fixing frame is divided into upper and lower layers, the upper layer is a middle horizontal frame B1, and the lower layer is a lower horizontal frame B2; the lower horizontal frame B2 and the middle horizontal frame B1 can be used for placing a shelf C for placing goods; the bottom of the shelf C is preferably provided with a shelf clamping groove C1, and the shelf clamping groove C1 can be clamped on the corresponding straight pipe according to the size of the fixing frame. The middle horizontal frame B1 or the lower horizontal frame B2 has four structures which are convenient to install and are provided by the utility model; the horizontal frame is formed by connecting four- way joints 2 and 2A, four auxiliary thread sleeves 4, 4A and 4B, two horizontal pipes 1B and two side pipes 1c into a rectangle; the two horizontal frames are connected into two lower vertical frames A2 through a vertical pipe 1a and four- way joints 2 and 2A; the upper horizontal frame is combined and connected into an upper vertical frame A1 through a vertical pipe 1a, an elbow joint 3 and a top pipe 1d, and the upper vertical frame A1 can be used as a lifting handle to facilitate the movement of a person to the fixing frame.

According to fig. 3, 6, 9-15 and the embodiments, said auxiliary thread bush 4, 4A, 4B, can be provided in various shapes; as an example, the auxiliary thread bush 4 may be configured to be fixedly connected by two portions of the positive thread socket portion 41 and the negative thread projection portion 42; as an example, the auxiliary thread bush 4A may be configured to be fixedly connected by two portions of the positive thread protrusion 43 and the negative thread socket portion 44; as an example, the auxiliary thread bushing 4B may be configured to be fixedly connected by two portions of the positive thread protrusion 43 and the negative thread protrusion 42.

According to fig. 4, the four-way joint 2 comprises upper and lower connecting parts 21a, 21b, wherein a positive thread connecting part 22 and a negative thread connecting part 23 are symmetrically arranged in the middle of the upper and lower connecting parts 21a, 21 b; the positive thread connecting part 22 is provided with a positive thread 24, and the negative thread connecting part 23 is provided with a negative thread 25.

According to fig. 9-10, the reverse-threaded end of the straight pipe 1 is screwed with the four-way joint 2 and is not screwed, and the thread 11 is in contact fit with the reverse thread 25 in the four-way joint 2; screwing the positive thread end of the straight pipe 1 and the positive thread socket part 41 of the auxiliary thread bush 4 without screwing; the reverse thread protrusion 42 of the auxiliary thread bush 4 is matched with the reverse thread 25 in the four-way joint 2 and is not screwed tightly; the adjusting straight pipe 1 and the auxiliary thread sleeve 4 are rotated to proper positions, so that the structure of the fixing frame is stable.

According to fig. 11, as an embodiment, the fixing frame is divided into an upper horizontal frame and a lower horizontal frame; the horizontal frame is provided with the structure which is convenient to install; the upper horizontal frame is formed by connecting four end joints 6, four auxiliary thread sleeves 4, 4A and 4B, two horizontal pipes 1B and two side pipes 1c into a rectangle; the lower horizontal frame is formed by connecting four- way joints 2 and 2A, four auxiliary thread sleeves 4, 4A and 4B, two transverse pipes 1B and two side pipes 1c into a rectangle; the lower horizontal frame is formed by connecting four- way joints 2 and 2A, four auxiliary thread sleeves 4, 4A and 4B, two transverse pipes 1B and two side pipes 1c into a rectangle.

According to fig. 12, as an embodiment, when the fixing frame is connected, six T-joints 7, five auxiliary thread sleeves 4, 4A, 4B, a horizontal tube 1B, and four side tubes 1c are connected to form an "i" shaped horizontal frame, and the horizontal frame has five structures convenient for installation according to the present invention; the positive thread side pipe connecting parts 71a and 71B of the T-shaped joint 7 are respectively connected with the positive thread ends of the two side pipes 1c, the sleeve joint of the T-shaped joint 7 is connected with the reverse thread ends of the auxiliary thread sleeves 4, 4A and 4B, and the positive thread ends of the auxiliary thread sleeves 4, 4A and 4B are connected with the positive thread end of the transverse pipe 1B.

According to fig. 13 and the embodiment, in the holder, the corner joint parts 8 can be interchanged with the elbow joints 3; the angle joint component 8 consists of an angle joint positive thread connecting part 81 and an angle joint negative thread connecting part 82 which are perpendicular to each other; the angle fitting reverse-thread connecting portion 82 provided in the angle fitting member 8 is connected to the reverse-thread protrusion 42 of the auxiliary threaded sleeve 4, the 41-normal-thread socket portion of the auxiliary threaded sleeve 4 is connected to the normal-thread end of the side pipe 1c, and the reverse-thread end of the side pipe 1c is connected to the elbow 3.

According to fig. 14, as an example, both ends of the straight pipe 1A are provided with internal threads 12, one end is provided with a positive thread, and the other end is provided with a negative thread; the auxiliary thread bush 4A is arranged to fixedly connect the two parts of the positive thread protrusion part 43 and the negative thread socket part 44; in the four-way joint 2A, the male screw connecting portion 21A is provided as a male screw, and the female screw connecting portion 24A is provided as a male screw. The positive thread connecting portion 21A of the four-way joint 2A is in thread fit with the straight pipe, the external thread of the negative thread connecting portion 24A is in thread fit with the negative thread socket portion 44 of the auxiliary thread bush, the positive thread end of the straight pipe 1A is in thread fit with the positive thread protruding portion 43 of the auxiliary thread bush 4A, and the negative thread end of the straight pipe 1A is in thread fit with the negative thread connecting portion 24A of the four-way joint 2A.

According to fig. 15, as an example, one end of the straight pipe 1B is provided with an external thread 11, the external thread 11 is provided with a reverse thread, the other end of the straight pipe 1B is provided with an internal thread 12, and the internal thread 12 is provided with a positive thread; the auxiliary thread bush 4B is arranged to be fixedly connected with the positive thread protrusion 43 and the negative thread protrusion 42; in the four-way joint 2, the reverse-threaded connection portion 23 is provided as a female thread, the female thread is provided as a reverse thread 25, and the forward-threaded connection portion 22 is provided as a female thread, the female thread is provided as a forward thread 24. The positive threads 24 of the upper and lower connecting portions 21a, 21b of the four-way joint 2 are fitted with the straight pipe external threads. The reverse-thread end of the straight pipe 1B is matched with the reverse-thread connecting part 23 of the four-way joint 2, the positive-thread end of the straight pipe 1B is matched with the positive-thread protrusion 43 of the auxiliary thread bush 4B, and the reverse-thread protrusion 42 of the auxiliary thread bush 4B is matched with the reverse-thread connecting part 23 of the four-way joint 2.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A structure convenient to installation which characterized in that: the connecting device comprises straight pipes (1, 1A, 1B), wherein one ends of the straight pipes (1, 1A, 1B) are in threaded connection with a joint, the other ends of the straight pipes (1, 1A, 1B) are connected with auxiliary thread sleeves (4, 4A, 4B), and the auxiliary thread sleeves (4, 4A, 4B) are in threaded connection with the joint; threads are arranged at two ends of the auxiliary thread sleeves (4, 4A and 4B), one end is provided with a positive thread, and the other end is provided with a negative thread; threads (11, 12) are arranged at two ends of the straight pipes (1, 1A, 1B), the thread directions of the two ends of the straight pipes (1, 1A, 1B) are opposite, one end is a positive thread, and the other end is a negative thread; the positive thread ends of the auxiliary thread sleeves (4, 4A, 4B) are connected with the positive thread ends of the straight pipes (1, 1A, 1B), and the negative thread ends of the auxiliary thread sleeves (4, 4A, 4B) are connected with the negative thread ends of the joints.

2. The structure for facilitating installation according to claim 1, wherein: the joint comprises a four-way joint (2, 2A), an elbow joint (3), a T-shaped joint (7) and an angle joint part (8); each joint has at least one socket for connecting an auxiliary threaded sleeve (4, 4A, 4B).

3. The structure for facilitating installation according to claim 2, wherein: the four-way joint (2, 2A) comprises an upper connecting part and a lower connecting part (21A, 21b), wherein a positive thread connecting part (22, 21A) and a negative thread connecting part (23, 23A) are symmetrically arranged in the middle of the upper connecting part and the lower connecting part (21A, 21 b); the positive thread connecting part (22, 21A) is provided with a positive thread (24), and the negative thread connecting part (23, 23A, 24A) is provided with a negative thread (25).

4. The structure for facilitating installation according to claim 2, wherein: the elbow joint (3) is provided with an elbow thread (31); the T-shaped joint (7) consists of a positive thread side pipe connecting part (71a, 71b) and a negative thread straight pipe connecting part (72); the angle joint component (8) is composed of an angle joint positive thread connecting part (81) and an angle joint negative thread connecting part (82) which are perpendicular to each other.

5. A kind of association fixed mount, characterized by: formed by a plurality of joints according to any one of claims 1 to 4, auxiliary thread bushings (4, 4A, 4B) and a plurality of straight pipes (1, 1A, 1B) which are combined and screwed to form at least one horizontal frame;

the straight pipes (1, 1A, 1B) comprise a vertical pipe (1A) in the Z direction, a transverse pipe (1B) in the X direction, a side pipe (1c) in the Y direction and a top pipe (1d) in the Y direction;

the two ends of the vertical pipe (1a) are connected with the joint; the plane of the horizontal frame at least comprises four structures which are convenient for installation and are disclosed by any one of claims 1-4;

the bottom of the combined fixing frame is in threaded connection with a supporting leg part (5).

6. The combination holder of claim 5, wherein: the reverse thread end of the side pipe (1c), the reverse thread end of the transverse pipe (1B), the reverse thread end of the top pipe (1d) and the reverse thread end of the corresponding joint are in threaded connection, the positive thread end of the side pipe (1c), the positive thread end of the transverse pipe (1B), the positive thread end of the top pipe (1d) and the positive thread end of the auxiliary thread sleeve (4, 4A, 4B) are in threaded connection, and the auxiliary thread sleeve (4, 4A, 4B) is in threaded connection with the sleeve joint of the corresponding joint.

7. The combination holder of claim 5, wherein: the supporting leg part (5) comprises a supporting rod (51), supporting rod threads (52) are arranged on the supporting rod (51), and a supporting plate (53) is fixed at the lower end of the supporting rod (51).

8. The combination holder of claim 5, wherein: as a form of the fixing frame, the fixing frame is divided into an upper horizontal frame and a lower horizontal frame, and the horizontal frame is provided with four structures which are convenient to install and are disclosed in any one of claims 1 to 4; the horizontal frame is formed by connecting four-way joints (2, 2A), four auxiliary thread sleeves (4, 4A, 4B), two transverse pipes (1B) and two side pipes (1c) into a rectangle; the two horizontal frames are connected into two lower vertical frames A2 through vertical pipes (1a) and four-way joints (2, 2A); the upper horizontal frame is combined and connected into an upper vertical frame (A1) through a vertical pipe (1a), an elbow joint (3) and a top pipe (1 d).

9. The combination holder of claim 5, wherein: as a form of the fixed frame, the fixed frame is divided into an upper horizontal frame and a lower horizontal frame; the horizontal frame has four structures for facilitating installation as claimed in any one of claims 1 to 4; the upper horizontal frame is formed by connecting four end joints (6), four auxiliary thread sleeves (4, 4A, 4B), two transverse pipes (1B) and two side pipes (1c) into a rectangle; the lower horizontal frame is formed by connecting four-way joints (2, 2A), four auxiliary thread sleeves (4, 4A, 4B), two transverse pipes (1B) and two side pipes (1c) into a rectangle; the lower horizontal frame is formed by connecting four-way joints (2, 2A), four auxiliary thread sleeves (4, 4A, 4B), two transverse pipes (1B) and two side pipes (1c) into a rectangle.

10. The combination holder of claim 5, wherein: as a form of the fixing frame, six T-shaped joints (7), five auxiliary thread sleeves (4, 4A, 4B), a transverse pipe (1B) and four side pipes (1c) are connected into an I-shaped horizontal frame, and the horizontal frame is provided with five structures which are convenient to install and are set forth in any one of claims 1-4; the positive thread side pipe connecting parts (71a, 71B) of the T-shaped joint (7) are respectively connected with the positive thread ends of the two side pipes (1c), the sleeve joint of the T-shaped joint (7) is connected with the reverse thread ends of the auxiliary thread sleeves (4, 4A, 4B), and the positive thread ends of the auxiliary thread sleeves (4, 4A, 4B) are connected with the positive thread end of the transverse pipe (1B).

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