CN114482735A

CN114482735A - Adjustable door connector

Info

Publication number: CN114482735A
Application number: CN202210052392.0A
Authority: CN
Inventors: 刘杰; 朱晓明; 庄伯甫
Original assignee: Suzhou Dirak Co ltd
Current assignee: Suzhou Dirak Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-13

Abstract

The invention provides an adjustable door connector, which comprises a first connector frame piece, a second connector frame piece, a connector door piece and a rotating shaft, wherein the first connector frame piece is connected with the second connector frame piece through the rotating shaft; the device also comprises a longitudinal adjusting structure and a transverse adjusting structure; the longitudinal adjusting structure comprises a first adjusting stud, a first adjusting screw, a second adjusting stud and a second adjusting screw; when the first adjusting screw rotates, the first adjusting stud is driven to displace along the extension direction of the rotating shaft; when the second adjusting screw rotates, the second adjusting stud is driven to displace along the extension direction of the rotating shaft; the lower end face of the first adjusting stud abuts against the upper end face of the connector door piece, and the upper end face of the second adjusting stud abuts against the lower end face of the connector door piece; the transverse adjusting mechanism comprises a transverse adjusting screw and a guide pin, and when the transverse adjusting screw rotates, the connector door piece is driven to move relative to the rotating shaft along the adjusting direction. This adjustable door connector can adjust longitudinal distance and transverse distance between the door body and the door frame, and simple structure, and it is convenient to adjust.

Description

Adjustable door connector

Technical Field

The present invention relates to the field of door connectors, and in particular, to an adjustable door connector.

Background

The door connector is a part for connecting a door body and a door frame, and the door body realizes the opening and closing functions through the rotating structure of the door connector.

After the door connector on the market is installed on a door body and a door frame, the longitudinal distance and the transverse distance of the door body and the door frame cannot be adjusted generally, and after the door body is assembled with the door frame, the door body is possibly deformed under the action of gravity or other external force along with the lapse of time, so that the condition that the longitudinal gap or the transverse gap between the door body and the door frame is inconsistent is caused, the attractiveness of the door is influenced, and the normal opening and closing function of the door is even influenced in serious cases.

In view of the above problems, it is desirable to provide a door connector capable of adjusting a longitudinal distance and a lateral distance between a door body and a door frame.

Disclosure of Invention

It is an object of the present invention to provide an adjustable door connector.

The technical scheme adopted by the invention is as follows: an adjustable door connector comprises a first connector frame piece, a second connector frame piece, a connector door piece and a rotating shaft, wherein the first connector frame piece, the connector door piece and the second connector frame piece are sleeved on the rotating shaft in sequence from top to bottom; the device also comprises a longitudinal adjusting structure and a transverse adjusting structure;

the longitudinal adjusting structure comprises a first adjusting stud, a first adjusting screw, a second adjusting stud and a second adjusting screw; the first adjusting stud is sleeved at the upper end of the rotating shaft and is in movable fit with the rotating shaft in the vertical direction, the upper end of the first adjusting stud is in threaded fit with the first adjusting screw, and the first adjusting screw is rotatably arranged on the first connector frame piece to drive the first adjusting stud to displace along the extending direction of the rotating shaft when the first adjusting screw rotates; the second adjusting stud is sleeved at the lower end of the rotating shaft and is in movable fit with the rotating shaft in the vertical direction, the lower end of the second adjusting stud is in threaded fit with the second adjusting screw, and the second adjusting screw is rotatably arranged on the second connector frame piece to drive the second adjusting stud to displace along the extending direction of the rotating shaft when the second adjusting screw rotates; the lower end face of the first adjusting stud abuts against the upper end face of the connector door piece, and the upper end face of the second adjusting stud abuts against the lower end face of the connector door piece;

the transverse adjusting mechanism comprises a transverse adjusting screw and a guide pin, the transverse adjusting screw and the guide pin penetrate through the rotating shaft along a horizontal adjusting direction, and the transverse adjusting screw is rotatably fixed on the connector door piece; the transverse adjusting screw is in threaded fit with the rotating shaft, and the transverse adjusting screw is driven to drive the connector door piece to move relative to the rotating shaft along the adjusting direction when rotating.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, the connector door piece includes a fixing mechanism, and the fixing mechanism includes a position-limiting sleeve, a first buckle, a second buckle and a fixing screw; the limiting sleeve is sleeved on the rotating shaft and is relatively fixed with the rotating shaft in the horizontal direction; the limiting sleeve is horizontally penetrated by the adjusting screw and the guide pin; the first buckle is fixed at the upper end of the connector door part, the second buckle is fixed at the lower end of the connector door part, the upper end of the limiting sleeve is abutted against the first buckle, and the lower end of the limiting sleeve is abutted against the second buckle, so that the first buckle and the second buckle limit the limiting sleeve in the vertical direction; the fixing screw is used for fixedly connecting the limiting sleeve on the connector door piece.

2. In the above scheme, four guide pins are provided, two of the four guide pins are located above the transverse adjusting screw, two of the four guide pins are located below the transverse adjusting screw, and all the guide pins and the transverse adjusting screw are arranged on the same vertical plane.

3. In the above scheme, the connector door comprises a fixing mechanism, and the fixing mechanism comprises a fixing frame, a first buckle, a second buckle and a fixing screw; the fixed frame is arranged by surrounding the rotating shaft, and a space for accommodating the relative displacement of the rotating shaft along the adjusting direction is formed in the fixed frame; the fixed frame is horizontally penetrated by the adjusting screw and the guide pin; the first buckle is fixed at the upper end of the connector door part, the second buckle is fixed at the lower end of the connector door part, the upper end of the fixing frame is abutted against the first buckle, and the lower end of the fixing frame is abutted against the second buckle, so that the fixing frame is limited by the first buckle and the second buckle in the vertical direction; the fixing screw is used for fixedly connecting the fixing frame to the connector door piece, so that when the transverse adjusting screw rotates, the fixing frame follows the connector door piece to move relative to the rotating shaft along the adjusting direction.

4. In the scheme, the guide pin is sleeved with the shaft sleeve.

5. In the above scheme, two guide pins are provided, one of the two guide pins is located above the transverse adjusting screw, the other guide pin is located below the transverse adjusting screw, and all the guide pins and the transverse adjusting screws are arranged on the same vertical plane.

6. In the above scheme, a first knurled pin is arranged corresponding to the first adjusting stud and fixed on the first connector frame, a vertical first sliding groove is formed on the surface of the first adjusting stud, and one end of the first knurled pin is positioned in the first sliding groove; and a second knurled pin is arranged corresponding to the second adjusting stud and fixed on the second connector frame piece, a vertical second sliding groove is formed on the surface of the second adjusting stud, and one end of the second knurled pin is positioned in the second sliding groove.

7. In the above scheme, a first inner edge is formed in the first connector frame, a contact surface which is in contact with the lower side of the first inner edge in an assembly state is arranged on the first adjusting screw, a groove is further arranged on the first adjusting screw, a first split retainer ring is embedded in the groove, and the first split retainer ring is in contact with the upper side of the first inner edge in the assembly state; the second connector frame is internally provided with a second inner edge, the second adjusting screw is provided with a contact surface which is contacted with the upper side of the second inner edge in an assembling state, the second adjusting screw is also provided with a groove, the groove is embedded with a second split retainer ring, and the second split retainer ring is contacted with the lower side of the second inner edge in an assembling state.

8. In the above scheme, the top of the first connector frame piece is detachably provided with a first end cover for covering the first adjusting screw operation surface, and the bottom of the second connector frame piece is detachably provided with a second end cover for covering the second adjusting screw operation surface.

9. In the above scheme, the connector door piece is detachably provided with a door piece cover plate for covering the operation surface of the transverse adjusting screw.

The invention has the beneficial effects that: in the longitudinal adjustment process of the door connector, the first adjusting screw and the second adjusting screw are rotated, so that the first adjusting stud and the second adjusting stud are displaced in the vertical direction under the thread matching relationship of the adjusting screw and the adjusting stud, and the first adjusting stud and the second adjusting stud clamp the connector door piece together, so that the position of the connector door piece in the vertical direction can be adjusted; in the transverse adjusting process, the transverse adjusting screw is rotated, and under the thread matching relationship of the transverse adjusting screw and the rotating shaft, the transverse adjusting screw drives the connector door piece to displace along the extending direction of the transverse adjusting screw, so that the position of the connector door piece in the horizontal direction can be adjusted; in conclusion, the door connector can adjust the longitudinal distance and the transverse distance between the door body and the door frame, and is simple in structure and convenient to adjust.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is an exploded view of a first embodiment of the present invention;

FIG. 3 is a longitudinal adjustment sectional elevation view of a first embodiment of the present invention;

FIG. 4 is a longitudinal adjustment cross-sectional side view of a first embodiment of the present invention;

FIG. 5 is a cross-sectional side view of a lateral adjustment mechanism according to a first embodiment of the present invention;

FIG. 6 is a side cross-sectional view of a lateral adjustment mechanism according to a first embodiment of the present invention;

FIG. 7 is an elevational, cross-sectional view of an embodiment of the present invention prior to adjustment;

FIG. 8 is an elevational, cross-sectional view of an embodiment of the invention after lateral and longitudinal adjustment;

FIG. 9 is an exploded view of a second embodiment of the present invention;

FIG. 10 is a cross-sectional side view of a lateral adjustment mechanism according to a second embodiment of the present invention;

FIG. 11 is a side cross-sectional view of a lateral adjustment mechanism in accordance with a second embodiment of the present invention;

FIG. 12 is an elevational, cross-sectional view of a second embodiment of the present invention prior to adjustment;

FIG. 13 is an elevational, cross-sectional view of a second embodiment of the present invention, adjusted laterally and longitudinally.

In the above drawings: 1. a first connector frame member; 2. a second connector frame member; 3. a connector door; 4a. a first end cap; 4b. a second end cap; 5. a frame cover plate; 6. a door cover plate; 7a. a first adjusting stud; 7b. a second adjusting stud; a first adjustment screw; a second adjustment screw; 9a. a first split retaining ring; 9b. a second split washer; 10a. a first knurled pin; 10b. a second knurled pin; 11. a socket head cap screw; 12a, a first buckle; 12b. a second buckle; 12c, a first buckle; 12d, a second buckle; 13. a rotating shaft; 14. a limiting sleeve; 15. a guide pin; 16. a lateral adjustment screw; 17. a set screw; 18. tightening the bolts; 22. a fixed mount; 23. a shaft sleeve; 26a, a first inner edge; 26b. a second inner edge.

Detailed Description

The invention is further described with reference to the following figures and examples:

the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.

The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.

As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.

As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.

As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.

The terms "front", "rear", "upper", "lower", "left" and "right" used herein are directional terms, and are used only for describing the positional relationship between the structures, and are not intended to limit the scope of protection and the actual direction of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 8, in a first embodiment, an adjustable door connector is provided, which includes a first connector frame 1, a second connector frame 2, a connector door 3, and a rotating shaft 13, wherein the first connector frame 1, the connector door 3, and the second connector frame 2 are sleeved on the rotating shaft 13 in order from top to bottom.

In the installed state, the first connector frame piece 1 and the second connector frame piece 2 are fixed on the door frame, and the connector door piece 3 is fixed on the door body, so that the function of rotating on and off between the door body and the door frame is realized.

Also comprises a longitudinal adjusting mechanism and a transverse adjusting mechanism.

The longitudinal adjusting structure comprises a first adjusting stud 7a, a first adjusting screw 8a, a second adjusting stud 7b and a second adjusting screw 8 b; wherein first adjusting stud 7a and first adjusting screw 8a establish in first connector frame 1, first adjusting stud 7a cover is established the upper end of pivot 13, and with pivot 13 is in vertical direction clearance fit, can along the vertical displacement of pivot 13, the upper end of this first adjusting stud 7a with first adjusting screw 8a constitutes screw-thread fit, first adjusting screw 8a rotationally establishes on first connector frame 1, and by in vertical direction first connector frame 1 limits, constitutes when first adjusting screw 8a rotates, drive first adjusting stud 7a follows the extending direction displacement of pivot 13.

Second adjusting stud 7b and second adjusting screw 8b are established in second connector frame 2, second adjusting stud 7b cover is established the lower extreme of pivot 13, and with pivot 13 is in vertical direction clearance fit, can along the vertical displacement of pivot 13, the lower extreme of this second adjusting stud 7b with second adjusting screw 8b constitutes screw-thread fit, second adjusting screw 8b rotationally establishes on second connector frame 2, and by in vertical direction second connector frame 2 limits constitutes when second adjusting screw 8b rotates, drives second adjusting stud 7b follows the extending direction displacement of pivot 13.

In an assembly state, the lower end surface of the first adjusting stud 7a abuts against the upper end surface of the connector door 3, and the upper end surface of the second adjusting stud 7b abuts against the lower end surface of the connector door 3, so that the first adjusting stud 7a and the second adjusting stud 7b are clamped together and vertically limit the connector door 3.

The transverse adjusting mechanism comprises a transverse adjusting screw 16 and a guide pin 15, the transverse adjusting screw 16 and the guide pin 15 are arranged on the rotating shaft 13 in a penetrating way along a horizontal adjusting direction, and the transverse adjusting screw 16 is rotatably fixed on the connector door piece 3; the transverse adjusting screw 16 is in threaded fit with the rotating shaft 13, so that when the transverse adjusting screw 16 rotates, the connector door piece 3 is driven to relatively displace with the rotating shaft 13 along the adjusting direction; wherein the guide pin 15 is guided during the relative displacement.

In the longitudinal adjustment process of the door connector, the first adjusting screw 8a and the second adjusting screw 8b are rotated, the first adjusting stud 7a and the second adjusting stud 7b are enabled to displace in the vertical direction under the thread matching relationship of the adjusting screws and the adjusting studs, and the first adjusting stud 7a and the second adjusting stud 7b clamp the connector door piece 3 together, so that the position of the connector door piece 3 in the vertical direction can be adjusted; in the process of transverse adjustment, by rotating the transverse adjusting screw 16, under the threaded fit relationship between the transverse adjusting screw 16 and the rotating shaft 13, the transverse adjusting screw 16 drives the connector door 3 to displace along the extending direction of the transverse adjusting screw 16, so that the position of the connector door 3 in the horizontal direction can be adjusted; in conclusion, the door connector can adjust the longitudinal distance and the transverse distance between the door body and the door frame, and is simple in structure and convenient to adjust.

In this embodiment, the connector door 3 includes a fixing mechanism therein, and the fixing mechanism includes a position-limiting sleeve 14, a first buckle 12a, a second buckle 12b, and a fixing screw 17; the limiting sleeve 14 is sleeved on the rotating shaft 13 and is relatively fixed with the rotating shaft 13 in the horizontal direction; the limiting sleeve 14 is horizontally penetrated by the adjusting screw and the guide pin 15; the first buckle 12a is fixed at the upper end of the connector door 3, the second buckle 12b is fixed at the lower end of the connector door 3, the upper end of the limit sleeve 14 is abutted against the first buckle 12a, and the lower end of the limit sleeve is abutted against the second buckle 12b, so that the limit sleeve 14 is limited by the first buckle 12a and the second buckle 12b in the vertical direction; the fixing screw 17 fixedly connects the position-limiting sleeve 14 to the connector door 3, that is, the movement of the position-limiting sleeve 14 is limited in the horizontal direction, and since the position-limiting sleeve 14 moves along with the rotating shaft 13, before the transverse adjustment, the fixing screw needs to be removed first, so that the position-limiting sleeve 14 and the connector door 3 can generate relative displacement in the horizontal direction; since the adjusting screw and the guide pin 15 are simultaneously inserted into the stop collar 14 and the rotating shaft 13, the fixing mechanism indirectly fixes the rotating shaft 13 through the adjusting screw and the guide pin 15.

Wherein the set screw 17 is a socket head cap set screw.

In the present embodiment, four guide pins 15 are provided, two of the four guide pins are located above the lateral adjusting screw 16, two of the four guide pins are located below the lateral adjusting screw 16, and all the guide pins 15 and the lateral adjusting screw 16 are located on the same vertical plane, so that a better guiding effect is achieved.

In this embodiment, a first knurled pin 10a is arranged corresponding to the first adjusting stud 7a, the first knurled pin 10a is fixed on the first connector frame 1, a vertical first sliding slot is formed on the surface of the first adjusting stud 7a, and one end of the first knurled pin 10a is positioned in the first sliding slot; a second knurled pin 10b is arranged corresponding to the second adjusting stud 7b, the second knurled pin 10b is fixed on the second connector frame 2, a vertical second sliding groove is formed on the surface of the second adjusting stud 7b, and one end of the second knurled pin 10b is positioned in the second sliding groove; therefore, the first knurled pin 10a and the second knurled pin 10b can limit the rotation of the first adjusting stud 7a and the second adjusting stud 7b, and the displacement in the vertical direction cannot be influenced, so that the transmission matching effect between the adjusting studs and the adjusting screws is ensured.

In this embodiment, a first inner edge 26a is formed in the first connector frame 1, the first adjusting screw 8a is provided with an abutting surface which abuts against the lower side of the first inner edge 26a in an assembled state, the first adjusting screw 8a is further provided with a groove, a first split retaining ring 9a is embedded in the groove, and the first split retaining ring 9a abuts against the upper side of the first inner edge 26a in an assembled state, so that the first adjusting screw 8a is fixed on the first connector frame 1 and can freely rotate; similarly, a second inner edge 26b is formed in the second connector frame 2, a contact surface which is contacted with the upper side of the second inner edge 26b in the assembled state is arranged on the second adjusting screw 8b, a groove is further arranged on the second adjusting screw 8b, a second split retainer ring 9b is embedded in the groove, and the second split retainer ring 9b is contacted with the lower side of the second inner edge 26b in the assembled state, so that the second adjusting screw 8b is fixed on the second connector frame 2 and can rotate freely.

In this embodiment, the top of the first connector frame 1 is detachably provided with a first end cap 4a covering the operation surface of the first adjusting screw 8a, and the bottom of the second connector frame 2 is detachably provided with a second end cap 4b covering the operation surface of the second adjusting screw 8 b; when the longitudinal adjustment is performed, the first end cover 4a and the second end cover 4b need to be detached, so that the operation surfaces of the first adjusting screw 8a and the second adjusting screw 8b are exposed to the outside, and the first adjusting screw 8a and the second adjusting screw 8b are rotated; the first end cap 4a and the second end cap 4b can play a role of dust protection and make the product beautiful.

In this embodiment, the first connector frame 1 and the second connector frame 2 each comprise a frame cover plate 5, and a tension bolt 18 and a socket head cap screw 11 for mounting the frame cover plate 5.

In this embodiment, the connector door 3 is detachably provided with a door cover 6 for covering the operation surface of the lateral adjustment screw 16, and when performing lateral adjustment, the door cover 6 needs to be removed to expose the operation surface of the lateral adjustment screw 16, so as to rotate the lateral adjustment screw 16; the door cover plate 6 can play a role in dust protection and make the appearance of the product beautiful.

In this embodiment, the first adjusting stud 7a, the first adjusting screw 8a, the second adjusting stud 7b, the second adjusting screw 8b, the first connector frame 1, and the second connector frame 2 are mainly load-bearing parts, and are made of high-strength metal materials, such as stainless steel materials; the lateral adjustment screw 16 and the guide pin 15 are national standard fasteners to reduce cost, wherein the lateral adjustment screw 16 is a hexagon socket flat set screw.

Example two:

in a second embodiment as shown in fig. 9-13, an adjustable door connector is provided that differs from the first embodiment in the securing mechanism.

In this embodiment, the fixing mechanism includes a fixing frame 22, a first buckle 12c, a second buckle 12d and a fixing screw 17; the fixed frame 22 is arranged to surround the rotating shaft 13, and a space for accommodating the relative displacement of the rotating shaft 13 along the adjusting direction is formed in the fixed frame 22; the fixing frame 22 is horizontally penetrated by the adjusting screw and the guide pin 15.

The first buckle 12c is fixed at the upper end of the connector door 3, the second buckle 12d is fixed at the lower end of the connector door 3, the upper end of the fixing frame 22 is abutted against the first buckle 12c, and the lower end is abutted against the second buckle 12d, so that the fixing frame 22 is limited by the first buckle 12c and the second buckle 12d in the vertical direction; the fixing screw 17 fixedly connects the fixing frame 22 to the connector door 3, so that when the transverse adjusting screw 16 rotates, the fixing frame 22 follows the connector door 3 to move relative to the rotating shaft 13 along the adjusting direction.

Wherein the set screw 17 is a socket-head set screw, the set screw 17 does not need to be removed since the holder 22 follows the connector door 3 during the lateral adjustment.

Through the design of mount 22, can carry out the multiple spot location to adjusting screw and uide pin 15, and the setpoint is comparatively dispersed in length direction, can stabilize adjusting screw and uide pin 15 from this, avoid its front and back to rock to the smoothness nature and the stability in the transverse adjustment process have been improved.

In this embodiment, the guide pin 15 is sleeved with a bushing 23, so as to further stabilize the guide pin 15.

In this embodiment, two guide pins 15 are provided, one of the two guide pins is located above the lateral adjusting screw 16, the other guide pin is located below the lateral adjusting screw 16, and all the guide pins 15 and the lateral adjusting screws 16 are arranged on the same vertical plane, so that a good guiding effect is achieved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An adjustable door connector, comprising:

the connector door comprises a first connector frame piece (1), a second connector frame piece (2), a connector door piece (3) and a rotating shaft (13), wherein the first connector frame piece (1), the connector door piece (3) and the second connector frame piece (2) are sleeved on the rotating shaft (13) in sequence from top to bottom;

the device also comprises a longitudinal adjusting mechanism and a transverse adjusting mechanism;

the longitudinal adjusting structure comprises a first adjusting stud (7 a), a first adjusting screw (8 a), a second adjusting stud (7 b) and a second adjusting screw (8 b);

the first adjusting stud (7 a) is sleeved at the upper end of the rotating shaft (13) and is in movable fit with the rotating shaft (13) in the vertical direction, the upper end of the first adjusting stud (7 a) and the first adjusting screw (8 a) form threaded fit, the first adjusting screw (8 a) is rotatably arranged on the first connector frame piece (1), and the first adjusting screw (8 a) is driven to displace along the extending direction of the rotating shaft (13) when rotating;

the second adjusting stud (7 b) is sleeved at the lower end of the rotating shaft (13) and is in movable fit with the rotating shaft (13) in the vertical direction, the lower end of the second adjusting stud (7 b) and the second adjusting screw (8 b) form threaded fit, the second adjusting screw (8 b) is rotatably arranged on the second connector frame piece (2), and the second adjusting screw (8 b) is driven to displace along the extending direction of the rotating shaft (13) when rotating;

the lower end face of the first adjusting stud (7 a) abuts against the upper end face of the connector door piece (3), and the upper end face of the second adjusting stud (7 b) abuts against the lower end face of the connector door piece (3);

the transverse adjusting mechanism comprises a transverse adjusting screw (16) and a guide pin (15), the transverse adjusting screw (16) and the guide pin (15) are arranged on the rotating shaft (13) in a penetrating mode along a horizontal adjusting direction, and the transverse adjusting screw (16) is rotatably fixed on the connector door piece (3); the transverse adjusting screw (16) is in threaded fit with the rotating shaft (13) to form the structure that when the transverse adjusting screw (16) rotates, the connector door piece (3) is driven to move relative to the rotating shaft (13) along the adjusting direction.

2. An adjustable door connector as defined in claim 1, wherein: the connector door piece (3) comprises a fixing mechanism, and the fixing mechanism comprises a limiting sleeve (14), a first buckle (12 a), a second buckle (12 b) and a fixing screw (17); the limiting sleeve (14) is sleeved on the rotating shaft (13) and is relatively fixed with the rotating shaft (13) in the horizontal direction; the limiting sleeve (14) is horizontally penetrated by the adjusting screw and the guide pin (15);

the first buckle (12 a) is fixed at the upper end of the connector door piece (3), the second buckle (12 b) is fixed at the lower end of the connector door piece (3), the upper end of the limiting sleeve (14) is abutted against the first buckle (12 a), and the lower end of the limiting sleeve (14) is abutted against the second buckle (12 b), so that the limiting sleeve (14) is limited by the first buckle (12 a) and the second buckle (12 b) in the vertical direction; the limiting sleeve (14) is fixedly connected to the connector door piece (3) through the fixing screw (17).

3. An adjustable door connector as defined in claim 2, wherein: the number of the guide pins (15) is four, two of the guide pins are located above the transverse adjusting screws (16), two of the guide pins are located below the transverse adjusting screws (16), and all the guide pins (15) and the transverse adjusting screws (16) are arranged on the same vertical plane.

4. An adjustable door connector as defined in claim 1, wherein: the connector door piece (3) comprises a fixing mechanism, and the fixing mechanism comprises a fixing frame (22), a first buckle (12 a), a second buckle (12 b) and a fixing screw (17); the fixed frame (22) is arranged around the rotating shaft (13), and a space for accommodating the relative displacement of the rotating shaft (13) along the adjusting direction is formed in the fixed frame (22); the fixed frame (22) is horizontally penetrated by the adjusting screw and the guide pin (15);

the first buckle (12 a) is fixed at the upper end of the connector door piece (3), the second buckle (12 b) is fixed at the lower end of the connector door piece (3), the upper end of the fixing frame (22) is abutted against the first buckle (12 a), and the lower end of the fixing frame is abutted against the second buckle (12 b), so that the fixing frame (22) is limited by the first buckle (12 a) and the second buckle (12 b) in the vertical direction; the fixing screw (17) is used for fixedly connecting the fixing frame (22) to the connector door piece (3), so that when the transverse adjusting screw (16) rotates, the fixing frame (22) follows the connector door piece (3) to move relative to the rotating shaft (13) along the adjusting direction.

5. An adjustable door connector as defined in claim 4, wherein: and a shaft sleeve (23) is sleeved on the guide pin (15).

6. An adjustable door connector as defined in claim 5, wherein: the number of the guide pins (15) is two, one guide pin is located above the transverse adjusting screw (16), the other guide pin is located below the transverse adjusting screw (16), and all the guide pins (15) and the transverse adjusting screw (16) are arranged on the same vertical plane.

7. An adjustable door connector as defined in claim 1, wherein: a first knurled pin (10 a) is arranged corresponding to the first adjusting stud (7 a), the first knurled pin (10 a) is fixed on the first connector frame piece (1), a vertical first sliding groove is formed in the surface of the first adjusting stud (7 a), and one end of the first knurled pin (10 a) is positioned in the first sliding groove; a second knurled pin (10 b) is arranged corresponding to the second adjusting stud (7 b), the second knurled pin (10 b) is fixed on the second connector frame (2), a vertical second sliding groove is formed in the surface of the second adjusting stud (7 b), and one end of the second knurled pin (10 b) is positioned in the second sliding groove.

8. An adjustable door connector as defined in claim 1, wherein: a first inner edge (26 a) is formed in the first connector frame piece (1), an abutting surface which abuts against the lower side of the first inner edge (26 a) in an assembling state is arranged on the first adjusting screw (8 a), a groove is further formed in the first adjusting screw (8 a), a first split retainer ring (9 a) is embedded in the groove, and the first split retainer ring (9 a) abuts against the upper side of the first inner edge (26 a) in the assembling state; the second connector frame piece (2) is internally provided with a second inner edge (26 b), the second adjusting screw (8 b) is provided with an abutting surface which is abutted to the upper side of the second inner edge (26 b) in the assembling state, the second adjusting screw (8 b) is further provided with a groove, the groove is embedded with a second split retainer ring (9 b), and the second split retainer ring (9 b) is abutted to the lower side of the second inner edge (26 b) in the assembling state.

9. An adjustable door connector as defined in claim 1, wherein: the top of the first connector frame piece (1) is detachably provided with a first end cover (4 a) for covering the operation surface of the first adjusting screw (8 a), and the bottom of the second connector frame piece (2) is detachably provided with a second end cover (4 b) for covering the operation surface of the second adjusting screw (8 b).

10. An adjustable door connector as defined in claim 1, wherein: and a door part cover plate (6) for covering the operation surface of the transverse adjusting screw (16) is detachably arranged on the connector door part (3).