Variable non-standard bolt fastener

Abstract

The utility model discloses a variable non-standard bolt type fastener, which relates to the technical field of fasteners, and comprises a fixed bolt piece and an installation bolt piece, the installation bolt piece is matched with the fixed bolt piece for use, one end of the installation bolt piece is fixedly provided with a screw column, one end of the installation bolt piece is fixedly provided with a variable piece, and the variable piece is provided with a screw rod. Threaded grooves used in cooperation with the screw column are formed in the other end of the mounting bolt piece and one end of the fixing bolt piece correspondingly, a positioning pipe is fixedly arranged at the end, close to the screw column, of the mounting bolt piece, and tubular grooves used in cooperation with the positioning pipe are formed in the other end of the mounting bolt piece and one end of the fixing bolt piece correspondingly. According to the variable non-standard bolt type fastener, a proper number of mounting bolt pieces can be mounted according to requirements to adjust the length of the screw rod structure, the universality is high, and the bolt type fastener can adapt to various different mounting environments and connection requirements through the design of the two variable pieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field, concretely is a variable non -standard bolt class fastener. BACKGROUND

[0002] Fastener is a kind of mechanical part for connecting two or more parts or components together, it has wide application in various fields, bolt class fastener is composed of head and screw rod two parts, by cooperating with nut, the connected piece is fastened together, the types of bolt are various, can be divided into hexagonal bolt, inner hexagonal bolt, square head bolt according to head shape;Can be divided into coarse tooth bolt, fine tooth bolt according to thread specification;According to performance grade, can be divided into ordinary bolt, high-strength bolt.

[0003] But prior art still has the following problems:

[0004] The bolt class fastener of prior art, mostly application face is more limited, usually for fixed structure, its screw rod length is not adjustable, lacks flexibility when facing different installation space and component spacing, is difficult to accurately adapt, often leads to in narrow space or the scene with specific length requirement cannot realize ideal fastening connection, limits its application range, at the same time, cannot change screw rod spacing or form special connection angle according to actual installation environment, when encountering space limited or needing special layout installation task, it is difficult to meet the demand.

[0005] In view of the above problems, the inventor proposes a variable non-standard bolt class fastener to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to solve the problem that the application face of bolt class fastener is limited;The utility model aims at providing a variable non-standard bolt class fastener.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: a variable non-standard bolt class fastener, including fixed bolt piece and installation bolt piece, the installation bolt piece cooperates fixed bolt piece and uses, one end of the installation bolt piece is fixed with the silk column, one end of the installation bolt piece is fixed with variable piece, the other end of the installation bolt piece and one end of fixed bolt piece are all set with the thread groove of cooperation silk column and use, the one end of installation bolt piece close to silk column is fixed with the positioning pipe, the other end of the installation bolt piece and one end of fixed bolt piece are all set with the tubular slot of cooperation positioning pipe and use.

[0008] Preferably, the variable component includes a bent pipe, and a connecting plate is fixedly provided at one end of the bent pipe. A sleeve and a pin are respectively fixedly provided on the opposite sides of the two connecting plates. One end of the pin is movably inserted into the sleeve. Sliding strips are symmetrically fixed on the outer surface of the pin. Two sliding grooves for use with the sliding strips are opened in the sleeve. The sleeve and the pin are connected by bolts. Multiple bolt grooves are opened on the same side of the outer surface of the sleeve and the pin.

[0009] Preferably, the variable element includes a bolt head, and the cross-sectional shape of the bolt head is hexagonal, with a cross groove formed on one side of the bolt head.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model uses an assemblable mounting bolt structure, which allows for the installation of an appropriate number of mounting bolts to adjust the length of the screw structure. It is highly versatile and can cleverly adjust the number of mounting bolts to optimize the screw length according to specific space constraints and component spacing, thereby achieving a reliable and efficient fastening connection in a confined space.

[0012] 2. This utility model, through the design of two variable components, enables bolt-type fasteners to adapt to various installation environments and connection requirements. The combination of the bend, connecting plate, sleeve, and insert can easily change the thread spacing of the U-bolt, which can play a good role in some space-constrained situations or situations requiring special connection angles, avoiding the problem that traditional bolt structures cannot meet special installation needs. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the first variable component and overall structure of this utility model.

[0015] Figure 2 This is an exploded view of the cross-section of the threaded column and positioning tube, as well as the bolt structure of this utility model.

[0016] Figure 3 This is an exploded cross-sectional view of the first variable component structure of this utility model.

[0017] Figure 4 This is an exploded view from another perspective of the cross-sectional structure of the first variable component of this utility model.

[0018] Figure 5 This is a schematic diagram of the second type of variable component and the overall structure of this utility model.

[0019] Figure 6 This is an exploded cross-sectional view of the second type of variable component and bolt component of this utility model.

[0020] In the diagram: 1. Fixing bolt; 2. Mounting bolt; 21. Threaded stud; 22. Threaded groove; 23. Positioning tube; 24. Tubular groove; 25. Mating groove; 3. Variable component; 31. Bend; 32. Connecting disc; 33. Support block; 34. Reinforcing groove; 35. Bolt head; 36. Cross groove; 4. Sleeve; 41. Insert post; 42. Bolt groove; 43. Sliding bar; 44. Sliding groove; 45. Limiting block; 46. Limiting groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: As Figures 1-6 As shown, this utility model provides a variable non-standard bolt fastener, including a fixing bolt 1 and a mounting bolt 2. The mounting bolt 2 is used in conjunction with the fixing bolt 1. One end of the mounting bolt 2 is fixedly provided with a threaded post 21, and another end of the mounting bolt 2 is fixedly provided with a variable element 3. The other end of the mounting bolt 2 and one end of the fixing bolt 1 are both provided with threaded grooves 22 that cooperate with the threaded post 21. A positioning tube 23 is fixedly provided at the end of the mounting bolt 2 near the threaded post 21. The other end of the mounting bolt 2 and one end of the fixing bolt 1 are both provided with tubular grooves 24 that cooperate with the positioning tube 23. The outer surface of the positioning tube 23 is roughened, and the outer surface of the positioning tube 23 fits into the corresponding tubular groove 24. The fixing bolt 1 and the mounting bolt 2 are used in conjunction with the fixing bolt 1. Each bolt component 2 has a mating groove 25 at one end near the threaded groove 22. During installation, the threaded stud 21 of the mounting bolt component 2 is threadedly connected to a component to be connected. Then, the fixing bolt component 1 is threadedly connected to the other end of the mounting bolt component 2 through its threaded groove 22, so that the two are tightly fitted. During the connection process, the positioning tube 23 is inserted into the corresponding tubular groove 24. Due to the rough surface treatment of the positioning tube 23, the friction is increased, making the connection between the fixing bolt component 1 and the mounting bolt component 2 more stable and less prone to relative rotation. The mating groove 25 allows for easy tightening of the mounting bolt component 2 with a Phillips screwdriver. The appropriate number of mounting bolt components 2 can be installed according to the needs to adjust the length of the screw structure, making it highly versatile.

[0023] Variable part 3 includes elbow pipe 31, and one end of elbow pipe 31 is fixedly provided with connecting disc 32, the outer surface of connecting disc 32 is fixedly provided with supporting block 33 near the side of fixed bolt part 1, and the side of supporting block 33 is symmetrically provided with two reinforcing grooves 34, the opposite surfaces of two connecting discs 32 are respectively fixedly provided with sleeve 4 and inserting column 41, and one end of inserting column 41 is movably inserted into sleeve 4, sleeve 4 and inserting column 41 are connected through bolt cooperation, and the outer surfaces of sleeve 4 and inserting column 41 are symmetrically provided with a plurality of bolt grooves 42, the outer surface of inserting column 41 is symmetrically fixedly provided with slide bar 43, two sliding grooves 44 used in cooperation with slide bar 43 are formed in sleeve 4, the side of outer surface of inserting column 41 is fixedly provided with limiting block 45, the inside of sleeve 4 is provided with limiting groove 46 used in cooperation with limiting block 45, for the structure of elbow pipe 31 and connecting disc 32 in the first variable part 3, when it is needed to adjust the connecting direction or adapt to special installation space, the distance between two elbow pipes 31 can be changed through the relative sliding of sleeve 4 and inserting column 41, inserting column 41 slides in sleeve 4, slide bar 43 cooperates with sliding groove 44 to ensure the stability of sliding, limiting block 45 cooperates with limiting groove 46 to prevent inserting column 41 from being taken out of sleeve 4, after being adjusted to the appropriate position, sleeve 4 and inserting column 41 are fixed through the bolt passing through bolt groove 42, so as to determine the form of variable part 3, which can play a good role in some space-limited or special connecting angle occasions, and avoid the problem that the traditional bolt structure cannot meet the special installation requirements due to the fixed structure.

[0024] Embodiment two: as Figures 5-6As shown, a variable non-standard bolt type fastener includes a fixed bolt 1 and a mounting bolt 2, the mounting bolt 2 is used in cooperation with the fixed bolt 1, one end of the mounting bolt 2 is fixedly provided with a threaded column 21, one end of the mounting bolt 2 is fixedly provided with a variable part 3, and the other end of the mounting bolt 2 and one end of the fixed bolt 1 are both provided with a threaded groove 22 for cooperating with the threaded column 21, one end of the mounting bolt 2 close to the threaded column 21 is fixedly provided with a positioning tube 23, the other end of the mounting bolt 2 and one end of the fixed bolt 1 are both provided with a tubular groove 24 for cooperating with the positioning tube 23, the outer surface of the positioning tube 23 is roughened, and the outer surface of the positioning tube 23 is in close contact with the corresponding tubular groove 24, one end of the fixed bolt 1 and the mounting bolt 2 close to the threaded groove 22 is provided with a cooperating groove 25, during installation, the threaded column 21 of the mounting bolt 2 is threadedly connected with a component to be connected, then the fixed bolt 1 is threadedly connected with the other end of the mounting bolt 2 through the threaded groove 22, so that the two are tightly fastened, during the connection process, the positioning tube 23 is inserted into the corresponding tubular groove 24, due to the roughened outer surface of the positioning tube 23, the friction force is increased, the connection of the fixed bolt 1 and the mounting bolt 2 is more stable, and relative rotation is not easy to occur, the cooperating groove 25 can facilitate the tightening operation of the mounting bolt 2 by using a cross screwdriver, a proper number of mounting bolts 2 can be installed according to requirements, so as to adjust the length of the screw rod structure, and the universality is relatively high.

[0025] The variable part 3 includes a bolt head 35, and the cross-sectional shape of the bolt head 35 is hexagonal, one side of the bolt head 35 is provided with a cross groove 36, for the structure of the bolt head 35 in the second variable part 3, the hexagonal cross-sectional shape can be used to perform fastening operation by using a wrench or the like, the cross groove 36 can be used for auxiliary operation by using a corresponding screwdriver in special cases, the mounting bolt 2 is rotated by rotating the bolt head 35, and then fastening or loosening operation with the fixed bolt 1 is realized, and the length of the screw rod is adjusted to meet different installation and disassembly requirements.

[0026] Working principle: during installation, the threaded column 21 of the mounting bolt 2 is threadedly connected with a component to be connected, then the fixed bolt 1 is threadedly connected with the other end of the mounting bolt 2 through the threaded groove 22, so that the two are tightly fastened, during the connection process, the positioning tube 23 is inserted into the corresponding tubular groove 24, due to the roughened outer surface of the positioning tube 23, the friction force is increased, the connection of the fixed bolt 1 and the mounting bolt 2 is more stable, and relative rotation is not easy to occur, the cooperating groove 25 can facilitate the tightening operation of the mounting bolt 2 by using a cross screwdriver, a proper number of mounting bolts 2 can be installed according to requirements, so as to adjust the length of the screw rod structure, and the universality is relatively high;

[0027] For the structure of the bend pipe 31 and the connecting disc 32 in the first variable part 3, when the connecting direction needs to be adjusted or the special installation space needs to be adapted, the distance between the two bend pipes 31 can be changed by the relative sliding of the sleeve 4 and the inserting column 41, the inserting column 41 slides in the sleeve 4, the sliding strip 43 cooperates with the sliding groove 44 to ensure the stability of the sliding, the limiting block 45 cooperates with the limiting groove 46 to prevent the inserting column 41 from being taken out of the sleeve 4, after being adjusted to the appropriate position, the sleeve 4 and the inserting column 41 are fixed by the bolts passing through the bolt grooves 42, so as to determine the shape of the variable part 3, which can play a good role in some space-limited or special connecting angle-required occasions, and the problem that the traditional bolt structure cannot meet the special installation demand due to the fixation is avoided;

[0028] For the structure of the bolt head 35 in the second variable part 3, the hexagonal cross-sectional shape can be used to fasten the operation by using a wrench and other tools, the cross groove 36 can be used for auxiliary operation by using a corresponding screwdriver in special cases, the installation bolt part 2 is driven to rotate by rotating the bolt head 35, so as to realize the fastening or loosening operation with the fixed bolt part 1, and the length of the screw rod is adjustable, so as to meet different installation and dismounting requirements.

[0029] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and the equivalent technology, the utility model also intends to include these modifications and variations.

Claims

1. A variable non-standard bolt type fastener comprising a fixing bolt member (1) and a mounting bolt member (2), characterized in that: The mounting bolt piece (2) is used in cooperation with the fixing bolt piece (1), one end of the mounting bolt piece (2) is fixedly provided with a thread column (21), one end of the mounting bolt piece (2) is fixedly provided with a variable piece (3), the other end of the mounting bolt piece (2) and one end of the fixing bolt piece (1) are both provided with a threaded groove (22) used in cooperation with the thread column (21), one end of the mounting bolt piece (2) close to the thread column (21) is fixedly provided with a positioning tube (23), the other end of the mounting bolt piece (2) and one end of the fixing bolt piece (1) are both provided with a tubular groove (24) used in cooperation with the positioning tube (23).

2. A variable non-standard bolt-type fastener as claimed in claim 1, wherein: The variable piece (3) comprises an elbow pipe (31), one end of the elbow pipe (31) is fixedly provided with a connecting disc (32), the opposite surfaces of the two connecting discs (32) are respectively fixedly provided with a sleeve pipe (4) and a plug column (41), one end of the plug column (41) is movably inserted into the sleeve pipe (4), the sleeve pipe (4) and the plug column (41) are connected through bolts, and the outer surfaces of the sleeve pipe (4) and the plug column (41) are symmetrically provided with a plurality of bolt grooves (42).

3. A variable non-standard bolt-type fastener as claimed in claim 1, wherein: The variable piece (3) comprises a bolt head (35), the cross section of the bolt head (35) is hexagonal, and one side of the bolt head (35) is provided with a cross groove (36).

4. A variable non-standard bolt-type fastener as claimed in claim 1, wherein: The outer surface of the positioning tube (23) is roughened, and the outer surface of the positioning tube (23) is in close contact with the corresponding tubular groove (24).

5. A variable non-standard bolt-type fastener as claimed in claim 1, wherein: The fixing bolt piece (1) and the mounting bolt piece (2) are both provided with a cooperation groove (25) at one end close to the threaded groove (22).

6. A variable non-standard bolt-type fastener as claimed in claim 2, wherein: The outer surface of the connecting disc (32) is fixedly provided with a supporting block (33) on one side close to the fixing bolt piece (1), and two reinforcing grooves (34) are symmetrically arranged on one side of the supporting block (33).

7. A variable non-standard bolt-type fastener as claimed in claim 2, wherein: The outer surface of the plug column (41) is fixedly provided with a limiting block (45) on one side, and the inside of the sleeve pipe (4) is provided with a limiting groove (46) used in cooperation with the limiting block (45).

8. A variable non-standard bolt-type fastener as claimed in claim 2, wherein: The outer surface of the plug column (41) is symmetrically fixedly provided with a sliding bar (43), and the sleeve pipe (4) is provided with two sliding grooves (44) used in cooperation with the sliding bar (43).

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