CN106930415B - Self-locking lockset suitable for building field and application - Google Patents

Abstract

The invention provides a self-locking lock suitable for the field of construction and its application, including a lock cylinder, a lock tongue, and a twist cover. The connecting column and the twist cover are also connected by a rotating reset torsion spring, so that the twist cover is in the twisted state. After moving, it can be reset to the initial position; the lock tongue includes a connecting plate, the bottom of the connecting plate is provided with a lock head, and the top of the connecting plate is provided with a twisting head; When the cover is in the initial position, the twist head is in contact with the large end wall, and the lock head is in a closed state; when the twist cover is twisted to the limit position, the twist head is in contact with the small end wall, and the lock head is in a fully open state. The self-locking lock of the invention is suitable for the construction field, and can be used for the inclined support of the assembled shear wall, the safety guardrail, the support of the inner inclined special-shaped member and the outer inclined special-shaped member support. The lock has the characteristics of fast connection and automatic locking, which greatly reduces the consumption of manpower and time in the construction process.

Description

A self-locking lock suitable for the construction field and its application

technical field

The invention belongs to the field of construction engineering and relates to a lock, in particular to a self-locking lock suitable for the field of construction and its application.

Background technique

A prefabricated building is a building in which the structural components of the building are disassembled in advance, and after prefabricated in the factory, they are transported to the site and assembled by reliable connections. This kind of building is characterized by fast construction speed, less restriction by climatic conditions, labor saving, and improved construction quality at the same time, and the prefabricated shear wall structure is currently the most widely used prefabricated building in my country.

However, there are still some problems in actual production. For example, the price of pre-embedded connectors in prefabricated components is high, and the operation of inclined support at the construction site is difficult. At the same time, some automated equipment in the production line of prefabricated components cannot be used normally, which greatly increases the number of prefabricated components. cost of construction.

With the continuous development of my country's construction industry, safe and civilized construction is an inevitable process in the traditional construction process. Therefore, traditional construction sites also need to support safety guardrails. Generally, the safety guardrails in cast-in-place structures are After the steel bars or steel plates are embedded in the structure, the steel pipes are welded to the steel bars or steel plates. This process is cumbersome, time-consuming and labor-intensive, and the safety guardrail is not easy to remove later.

For special-shaped structures, with the continuous development of my country's economy, people's requirements for the appearance of buildings are also constantly improving. Therefore, in recent years, the development of special-shaped buildings in my country has gradually risen. In place, this method has high technical requirements for on-site construction, high construction difficulty and high cost. Another method is to cast special-shaped components on site. The difficulty of this method is that the support system of the formwork is not easy to set up. In the general method, the formwork support system is fixed by the sweeping rod at the bottom of the steel pipe, but the formwork is easy to move during concrete pouring and vibrating, resulting in If the components are deformed or displaced, it is difficult to ensure the accuracy of the position and shape of the components.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a self-locking lock suitable for the construction field and its application, so as to solve the problem of the high cost of the prefabricated shear wall structure inclined support embedded parts in the existing construction method , The construction process is cumbersome, some equipment in the production line cannot be used normally, the establishment and removal of safety guardrails are difficult, and the installation and positioning of special-shaped components is difficult.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions to realize:

A self-locking lock suitable for the field of construction includes a lock cylinder, a lock tongue, and a twist cover. The center of the twist cover is machined with a mounting hole, and the top center of the lock cylinder is provided with a connecting column, and the connecting column is installed in the installation hole. The inside of the hole enables the twist cover to rotate with the connecting column as the center of rotation. The bottom of the twist cover is provided with a pair of connecting clips, and the top of the lock cylinder is provided with a connecting slot corresponding to the connecting clip. The central axis is set as the center of equal diameter, and the connection chuck and the connection slot cooperate to realize the locking connection between the twist cover and the lock cylinder in the axial direction;

The connecting column and the twist cover are also connected by a rotating reset torsion spring, so that the twist cover can be reset to the initial position after twisting;

The locking tongue includes a connecting plate, the bottom of the connecting plate is provided with a locking head, and the top of the connecting plate is provided with a twisting head;

The two sides of the connecting column are symmetrically processed along the axial direction of the lock cylinder with a pair of lock tongue installation cavities with closed bottoms, the bottom of the lock cylinder is processed with lock grooves with two ends penetrating the side walls of the lock cylinder, and a through lock is provided below the lock tongue installation cavity. The lock head movable window on the side wall of the groove;

A pair of lock tongues are installed in the pair of lock tongue installation cavities, the connecting plate is installed in the lock tongue installation cavity, the connecting plate can translate radially in the lock tongue installation cavity, and the lock head is located in the lock head movable window, The twisting head protrudes from the top of the lock cylinder;

The connecting plate is provided with a radial guide hole, the outer wall of the lock tongue mounting cavity is provided with a compression spring mounting hole, one end of the radial guide column is connected in the compression spring mounting hole, and the other end of the radial guide column passes through The radial guide hole is connected with the inner wall of the lock tongue installation cavity, and the radial guide column is also sleeved with a compression spring, one end of the compression spring is pressed against the installation hole of the compression spring, and the other end of the compression spring is pressed against the outer wall of the connecting plate;

The bottom of the twist cover is provided with a pair of centrally symmetrical lock tongue opening and closing twist guide grooves matched with the twist head, and the symmetrical center of the lock tongue opening and closing twist guide groove is the center of the twist cover; The side walls of the lock tongue opening and closing twist guide groove are composed of outer side wall, inner side wall, large end wall and small end wall. The arc radius of the outer side wall is larger than the arc radius of the inner side wall, the arc radius of a pair of outer side walls is equal, and the arc radius of a pair of inner side walls is also the same; the large end wall and the small end wall are both flat, and the large end wall The width is greater than the width of the small end wall, the width of a pair of large end walls is equal, and the width of a pair of small end walls is also equal;

The circles on which the pair of outer sidewalls are located are coincident, and the center of the circle is the center of the twist cover, the circles where the pair of inner sidewalls are located are not overlapped, and the two centers of the circles where the pair of inner sidewalls are located are the same as the circles where the pair of inner sidewalls are located. The center of the circle is on the same straight line, and the two centers of the circle where the pair of inner side walls are located are symmetrically arranged with the center of the circle where the pair of outer side walls are located as the center of symmetry;

The twisting head is installed in the locking tongue opening and closing twisting guide groove, the arc radius of the inner wall of the twisting head is equal to the arc radius of the inner side wall, and the arc radius of the outer wall of the twisting head is equal to the arc radius of the outer side wall. equal, the inner wall of the twisting head is in contact with the inner side wall; when the twisting cover is in the initial position, the twisting head is in contact with the large end wall, and the locking head is in a closed state; when the twisting cover is twisted to the limit position, the twisting head and the The small end wall is in contact and the lock is fully open.

The present invention also has the following distinguishing technical features:

The distance between the planes where the pair of large end walls is located is equal to the width of the twist head, and the distance between the planes where the pair of small end walls is located is equal to the width of the twist head.

The top of the connecting column is machined with threaded connecting holes.

The connecting column is equipped with a self-stretching steel pipe oblique support, and the self-stretching steel pipe oblique support includes a threaded steel pipe. The threaded steel pipe is symmetrically provided with a pair of internal threads with opposite thread directions, and two ends of the threaded steel pipe are respectively installed with screws. When the threaded sleeve rotates, the screws at both ends extend and retract along the axial direction, the end of the screw is connected with one end of the hinged connection plate, the other end of the hinged connection plate is connected with the rotating threaded connector, and the rotating threaded connector is installed with the threaded connection hole. When the threaded steel pipe can remain stationary.

The threaded steel pipe is also provided with a turning handle.

The connecting column is equipped with a steel pipe connection sleeve, the steel pipe connection sleeve includes a cylinder body, one end of the cylinder body is provided with an end cover, and the center of the end cover is provided with a threaded connection head matched with a threaded connection hole.

The top of the twist cover is provided with a twist handle.

The twist handle is provided with an auxiliary twist hole.

The connecting clip head is a dovetail head, and the connecting clip slot is a circular arc-shaped dovetail section slot matched with the dovetail head.

The connecting plate is provided with two radial guide holes.

The above-mentioned self-locking locks suitable for the construction field are used in the application of prefabricated shear wall diagonal supports, safety guardrails, inner inclined special-shaped member support and external inclined special-shaped member support.

Compared with the prior art, the present invention has the following technical effects:

The self-locking lock of the invention is suitable for the construction field, and can be used for the inclined support of the assembled shear wall, the safety guardrail, the support of the inner inclined special-shaped member and the outer inclined special-shaped member support. The lock has the characteristics of fast connection and automatic locking, which greatly reduces the consumption of manpower and time in the construction process, and reduces the error of special-shaped components in special-shaped buildings. It reduces the construction cost of the inclined support of the prefabricated shear wall structure, simplifies the cumbersome construction process, makes the establishment and dismantling of the safety guardrail simple and easy, and makes the installation and positioning of the special-shaped components easy.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a self-locking lock.

Figure 2 is a schematic diagram of the split structure of the self-locking lock.

Figure 3 is a schematic front view of the self-locking lock.

FIG. 4 is a schematic diagram of the structure of A-A in FIG. 3 .

Fig. 5 is a left side view of the structure of the lock cylinder.

FIG. 6 is a schematic diagram of the structure of B-B in FIG. 5 .

FIG. 7 is a schematic top view of the self-locking lock.

FIG. 8 is a schematic view of the bottom structure of the twist cap.

FIG. 9 is a schematic diagram of the C-C structure of FIG. 8 .

Figure 10 is a schematic diagram of the overall structure of the lock tongue.

Figure 11 is a schematic diagram of the parts of the deadbolt spring.

FIG. 12 is a schematic diagram of the overall structure of the rotating return torsion spring.

Fig. 13 is a schematic diagram of the closed state of the latch.

Fig. 14 is a schematic diagram of the open state of the latch.

Figure 15 is a schematic diagram of the parts of the self-stretching steel pipe diagonal support matched with the self-locking lock.

Figure 16 is a schematic diagram of the parts of the steel pipe connecting sleeve matched with the self-locking lock.

Figure 17 is a schematic diagram of the self-locking lock used for the inclined support of the assembled shear wall.

Figure 18 is a schematic diagram of a self-locking lock used in a safety fence.

Fig. 19 is a schematic diagram of the self-locking lock used for supporting the inner inclined profiled member.

Fig. 20 is a schematic diagram of the self-locking lock used for the support of the externally inclined profiled member.

Figure 21 is a schematic diagram of the parts of the square-shaped steel bar.

Figure 22 is a schematic diagram of the parts of the square-shaped rebar hole mold.

Figure 23 is a schematic diagram of the connection of the glyph-shaped steel bar, the glyph-shaped steel bar hole mold and the main structural steel bar.

The meaning of each symbol in the figure is: 1-lock cylinder, 2-lock tongue, 3-twist cover, 4-installation hole, 5-connection post, 6-connection clamp, 7-connection slot, 8-rotation reset torque Spring, 9- Lock tongue mounting cavity, 10- Lock groove, 11- Lock head movable window, 12- Compression spring installation hole, 13- Radial guide post, 14- Compression spring, 15- Lock tongue opening and closing twist guide groove , 16-Threaded connection hole, 17-Self-stretching steel pipe diagonal support, 18-Steel pipe connection sleeve, 19-Twist handle, 20-Auxiliary twist hole, 21-Sword-shaped steel bar, 22-Sword-shaped steel bar hole Mould, 23-Main structural steel bar, 24-L-shaped steel bar, 25-Sword-shaped steel bar hole, 26-Prefabricated shear wall, 27-Safety fence, 28-Inwardly inclined special-shaped member, 29-Externally inclined special-shaped member, 30- self-locking locks;

(2-1)-connecting plate, (2-2)-lock head, (2-3)-twist head, (2-4)-radial guide hole;

(15-1) - outer side wall, (15-2) - inner side wall, (15-3) - large end wall, (15-4) - small end wall;

(17-1)-Threaded steel pipe, (17-2)-Screw, (17-3)-Hinged connecting plate, (17-4)-Rotating threaded connector, (17-5)-Rotating handle;

(18-1)-Cylinder body, (18-2)-End cap, (18-3)-Threaded connector;

(21-1) - Vertical reinforcement, (21-2) - Top transverse reinforcement, (21-3) - Bottom transverse reinforcement,

(22-1)-Cylinder, (22-2)-Plywood, (22-3)-Fixing cavity, (22-4)-Rebar slot, (22-5)-Handle;

O represents the center of the circle where a pair of outer side walls are located;

O ₁ represents the center of a circle where the inner side wall is located;

O ₂ represents the center of the circle where the other inner side wall is located.

The specific content of the present invention will be further explained in detail below in conjunction with the embodiments.

Detailed ways

Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations made on the basis of the technical solutions of the present application fall into the protection scope of the present invention.

Example 1:

This embodiment provides a self-locking lock suitable for the construction field. As shown in Figures 1 to 16, it includes a lock cylinder 1, a lock tongue 2, and a twist cover 3. The center of the twist cover 3 is machined with a mounting hole 4. , the top center of the lock cylinder 1 is provided with a connecting column 5, and the connecting column 5 is installed in the installation hole 4 so that the twist cover 3 can rotate around the connecting column 5, and the bottom of the twist cover 3 is provided with a pair of connecting chucks 6. The top of the lock cylinder 1 is provided with a connection slot 7 corresponding to the connection chuck 6. The connection slot 7 is set with the central axis of the lock cylinder 1 as the center of equal diameter, and the connection chuck 6 cooperates with the connection slot 7. Connect the twist cover 3 to the lock cylinder 1 in the axial direction;

The connecting column 5 and the torsion cover 3 are also connected by a rotating reset torsion spring 8, so that the torsion cover 3 can be reset to the initial position after being twisted;

The locking tongue 2 includes a connecting plate 2-1, the bottom of the connecting plate 2-1 is provided with a locking head 2-2, and the top of the connecting plate 2-1 is provided with a twisting head 2-3;

The two sides of the connecting column 5 are symmetrically machined along the axis of the lock cylinder 1 with a pair of lock tongue installation cavities 9 with a closed bottom. The bottom of the lock cylinder 1 is machined with a lock groove 10 which penetrates the side wall of the lock cylinder 1 at both ends, and the lock tongue is installed. A lock head movable window 11 penetrating the side wall of the lock slot 10 is provided below the cavity 9;

A pair of lock tongues 2 are installed in the pair of lock tongue installation cavities 9 , the connecting plate 2-1 is installed in the lock tongue installation cavity 9, and the connecting plate 2-1 can translate radially in the lock tongue installation cavity 9. , the lock head 2-2 is located in the lock head movable window 11, and the twist head 2-3 protrudes from the top of the lock cylinder 1;

The connecting plate 2-1 is provided with a radial guide hole 2-4, the outer wall of the lock tongue mounting cavity 9 is provided with a compression spring mounting hole 12, and the compression spring mounting hole 12 is connected with one end of the radial guide column 13. , the other end of the radial guide column 13 is connected to the inner wall of the lock tongue installation cavity 9 through the radial guide holes 2-4, and a compression spring 14 is also sleeved on the radial guide column 13, and one end of the compression spring 14 is pressed against the compression spring In the mounting hole 12, the other end of the compression spring 14 is abutted on the outer wall of the connecting plate 2-1;

The bottom of the twist cover 3 is provided with a pair of centrally symmetrical lock tongue opening and closing twist guide grooves 15 matched with the twist heads 2-3. The symmetrical center of the lock tongue opening and closing twist guide groove 15 is the Center; the side walls of the pair of lock tongue opening and closing twisting guide grooves 15 are composed of an outer side wall 15-1, an inner side wall 15-2, a large end wall 15-3 and a small end wall 15-4. 15-1 is an arc shape of equal diameter, and the inner side wall 15-2 is also an arc shape of equal diameter. The arc radius of the outer side wall 15-1 is larger than that of the inner side wall 15-2. The arc radii of -1 are equal, and the arc radii of a pair of inner side walls 15-2 are also equal; the large end wall 15-3 and the small end wall 15-4 are both flat, and the width of the large end wall 15-3 is larger than that of the small end wall 15-3. The width of the end walls 15-4 is equal to the width of a pair of large end walls 15-3, and the width of a pair of small end walls 15-4 is also equal;

The circles on which the pair of outer side walls 15-1 are located are overlapped, and the center of the circle is the center of the twist cover. The centers of the circles and the centers of the circles where the pair of outer side walls 15-1 are located are on the same straight line, and the two centers of the circles where the pair of inner side walls 15-2 are located are the centers of the circles where the pair of outer side walls 15-1 are located. Symmetrical center setting;

The twisting head 2-3 is installed in the lock tongue opening and closing twisting guide groove 15, the arc radius of the inner wall of the twisting head 2-3 is equal to the arc radius of the inner side wall 15-2, and the twisting head 2- 3. The arc radius of the outer wall is equal to the arc radius of the outer side wall 15-1, and the inner wall of the twist head 2-3 is attached to the inner side wall 15-2; when the twist cover 3 is in the initial position, the twist head 2-3 When in contact with the large end wall 15-3, the lock head 2-2 is in a closed state; when the twist cover 3 is twisted to the limit position, the twist head 2-3 is in contact with the small end wall 15-4, and the lock head 2-2 is in a closed state. fully open.

Further, the distance between the planes where the pair of large end walls 15-3 is located is equal to the width of the twisting head 2-3, and the distance between the planes where the pair of small end walls 15-4 is located is equal to the twisting head 2-3 width.

Further, threaded connection holes 16 are processed on the top of the connecting column 5 to facilitate connection with auxiliary devices.

In a specific case, the connecting column 5 is equipped with a self-stretching steel pipe oblique support 17, and the self-stretching steel pipe oblique support 17 includes a threaded steel pipe 17-1. The threaded steel pipe 17-1 is symmetrically provided with a pair of threads in opposite directions. The inner thread of the threaded steel pipe 17-1 is respectively installed with a screw rod 17-2. When the threaded steel pipe 17-1 rotates, the screw rod 17-2 at both ends extends and retracts in the axial direction, and the end of the screw rod 17-2 is connected with a hinged connection plate. One end of 17-3 and the other end of the hinged connection plate 17-3 are connected with the rotating threaded connector 17-4. When the rotating threaded connector 17-4 is fitted with the threaded connecting hole 16, the threaded steel pipe 17-1 can remain stationary.

The threaded steel pipe 17-1 is also provided with a turning handle 17-5.

In another specific case, the connecting column 5 is equipped with a steel pipe connecting sleeve 18. The steel pipe connecting sleeve 18 includes a cylindrical body 18-1, and one end of the cylindrical body 18-1 is provided with an end cover 18-2. The center of 18-2 is provided with a threaded connection head 18-3 which is matched with the threaded connection hole 16.

Further, the top of the twist cover 3 is provided with a twist handle 19 to facilitate twisting the twist cover 3 .

Furthermore, an auxiliary twisting hole 20 is provided on the twisting handle 19. When the twisting cover 3 penetrates into the hole and the operator cannot directly touch the twisting handle 19, he needs to use an auxiliary tool to twist, and the auxiliary twisting hole 20 is used for twisting. for use with auxiliary tools.

As a preferred situation, the connection clamp 6 is a dovetail head, and the connection clamp groove 7 is a circular arc-shaped dovetail cross-section groove matched with the dovetail head, so that the twist cover 3 can rotate relative to the connection column 5 but in the axial direction Do not leave.

As a preferred situation, the connecting plate 2-1 is provided with two radial guide holes 2-4.

The use process of the self-locking lock of this embodiment is shown in Figures 21 to 23, and the process includes the following steps:

Step 1, make a few-shaped steel bar 21 and a few-shaped steel bar hole mold 22, and the several-shaped steel bar 21 includes a pair of vertical steel bars 21-1, a top horizontal steel bar 21-2 and a pair of bottom horizontal steel bars 21 -3, the top ends of a pair of vertical reinforcing bars 21-1 are respectively connected with one end of the top horizontal reinforcing bars 21-2, and the bottom ends of a pair of vertical reinforcing bars 21-1 are respectively connected with one end of a bottom horizontal reinforcing bar 21-3; The top transverse reinforcement bar 21-1 is parallel to the bottom transverse reinforcement bar 21-3, and the included angle between the top transverse reinforcement bar 21-3 and the vertical reinforcement bar 21-1 is an obtuse angle;

The several-shaped reinforcing bar hole mold 22 includes a cylindrical body 22-1 with both ends open, a pair of parallel clamping plates 22-2 are installed in the cylindrical body 22-1, and a fixed cavity 22-3 is formed between the clamping plates 22-2, The width of the fixing cavity 22-3 is equal to the outer diameter of the square-shaped steel bar 21; a pair of steel bar clamping grooves 22-4 are symmetrically arranged on the outside of the cylinder 22-1 along the axial direction, and the central axis of the pair of steel bar clamping grooves 22-4 is located. The plane is perpendicular to the splint 22-2; the top of the cylinder 22-1 is provided with a handle 22-5;

According to the above structure, the square-shaped steel bar 21 and the square-shaped steel bar hole mold 22 can be produced by using the conventional practice in the mechanical field.

In step 2, the glyph steel bar 21 is inserted into the fixed cavity 22-3 of the glyph steel bar hole mold 22 from the bottom, and the open top of the glyph steel bar hole mold 22 is sealed by tape, and the bottom of the glyph steel bar 21 is sealed. The transverse reinforcing bars 21-3 are bound together with the main structural reinforcing bars 23 by iron wires to realize the connection between the several-shaped reinforcing bars 21 and the main structure;

In step 3, the L-shaped steel bar 24 is inserted in the steel bar slot 22-4 of the zigzag-shaped steel bar hole mold 22, and the bottom of the L-shaped steel bar 24 is connected with the main structural steel bar 23 through iron wires, and the outer surface of the zigzag-shaped steel bar hole mold 22 is connected. Apply the mold release agent, and the mold release agent cannot be applied to the L-shaped steel bar 24 during the application process; the mold release agent adopts the conventional mold release agent.

Step 4, pouring vibrating concrete according to the conventional construction requirements, after the concrete reaches the demoulding strength required by the conventional construction, demoulding the zigzag steel hole mold 22, tearing off the tape on the top of the zigzag steel hole mold 22, and passing the The handle 22-5 of the zigzag-shaped rebar hole mold 22 lifts the zigzag-shaped reinforced hole mold 22 upward, and the zigzag-shaped reinforced hole mold 22 is pulled out to form a zigzag-shaped reinforced hole 25 on the concrete;

Step 5, apply lubricating oil on the contact surface of the pair of lock heads 2-2 of the lock tongue 2 of the self-locking lock, and extend the self-locking lock into the double-shaped steel hole 25 to allow the lock of the self-locking lock. The tongue 2 is connected with the zigzag steel bar 21 to install the self-locking lock with the zigzag steel bar 21 .

When the specific self-locking lock is in use, twist the twist cover 3 to open the pair of lock heads 2-2 that are closed by the lock tongue 2, clamp the lock groove 10 on the square-shaped steel bar 21, and release the twist cover 3. The torsion cover returns to its initial position under the combined action of the rotating return torsion spring 8 and the compression spring 14, and the lock head 2-2 is re-closed under the combined action of the return spring 14 and the twist cover 3, locking the zigzag steel bar 21. In the lock groove 10 between the lock head 2-2 and the bottom of the lock groove 10, a simple and fast self-locking connection is realized.

For self-locking locks exposed to the external environment for a long time, when disassembling, apply lubricating oil to the gap of the lock in advance, and wait for 1 to 2 hours before disassembling.

After the whole construction is completed, concrete can finally be used to fill the several-shaped reinforcement holes 25 .

Example 2:

As shown in FIG. 17 , this embodiment provides the application of the self-locking lock suitable for the construction field in Embodiment 1 for the inclined support of the fabricated shear wall. In this application, the self-stretching steel pipe diagonal support 17 is used in conjunction with the self-locking lock 30 .

Example 3:

As shown in FIG. 18 , this embodiment provides the application of the self-locking lock suitable for the construction field in Embodiment 1 to the safety fence. In this application, the steel pipe connection sleeve 18 is used in conjunction with the self-locking lock 30 .

Example 4:

As shown in FIG. 19 , this embodiment provides the application of the self-locking lock suitable for the construction field in Embodiment 1 for the support of inwardly inclined special-shaped members. In this application, the steel pipe connection sleeve 18 is used in conjunction with the self-locking lock 30 .

Example 5:

As shown in FIG. 20 , this embodiment shows the application of the self-locking lock suitable for the construction field in Embodiment 1 for the support of externally inclined special-shaped members. In this application, the steel pipe connection sleeve 18 is used in conjunction with the self-locking lock 30 .

Claims (7)

1. A self-locking lock suitable for the construction field, comprising a lock cylinder (1) and a lock tongue (2), and is characterized in that it also comprises a twist cover (3), and the twist cover (3) is centrally processed with a mounting hole ( 4), the locking cylinder (1) is provided with a connecting column (5) at the top center position, and the connecting column (5) is installed in the mounting hole (4) so that the twist cover (3) can be rotated by the connecting column (5). When the center rotates, the bottom of the twist cover (3) is provided with a pair of connecting clips (6), and the top of the lock cylinder (1) is provided with a connecting slot (7) corresponding to the connecting clip (6). (7) The central axis of the lock cylinder (1) is set with equal diameters, and the connection chuck (6) cooperates with the connection slot (7) to lock the twist cover (3) and the lock cylinder (1) in the axial direction connect; The connecting column (5) and the twist cover (3) are also connected by a rotating return torsion spring (8), so that the twist cover (3) can be reset to the initial position after twisting; The locking tongue (2) includes a connecting plate (2-1), the bottom of the connecting plate (2-1) is provided with a locking head (2-2), and the top of the connecting plate (2-1) is provided with a twisting head (2-3); A pair of lock bolt mounting cavities (9) closed at the bottom are machined symmetrically on both sides of the connecting column (5) along the axial direction of the lock cylinder (1). the lock groove (10) of the side wall, and a lock head movable window (11) penetrating the side wall of the lock groove (10) is provided below the lock tongue installation cavity (9); A pair of lock tongues (2) are installed in the pair of lock tongue installation cavities (9), and the connecting plate (2-1) is installed in the lock tongue installation cavity (9). The tongue installation cavity (9) translates along the radial direction, the lock head (2-2) is located in the lock head movable window (11), and the twist head (2-3) protrudes from the top of the lock cylinder (1); The connecting plate (2-1) is provided with radial guide holes (2-4), the outer wall of the lock tongue mounting cavity (9) is provided with a compression spring mounting hole (12), and the compression spring mounting hole (12) One end of the radial guide column (13) is connected inside, and the other end of the radial guide column (13) is connected with the inner wall of the lock tongue installation cavity (9) through the radial guide hole (2-4), and the radial guide column (13) is also covered with a compression spring (14), one end of the compression spring (14) is pressed against the compression spring mounting hole (12), and the other end of the compression spring (14) is pressed against the outer wall of the connecting plate (2-1). superior; The bottom of the twist cover (3) is provided with a pair of centrally symmetrical lock tongue opening and closing twist guide grooves (15) matched with the twist head (2-3), the lock tongue opening and closing twist guide groove (15) ) is the center of the twist cover; the side walls of the pair of lock tongue opening and closing twist guide grooves (15) are composed of an outer side wall (15-1), an inner side wall (15-2), a large end wall (15-3) and the small end wall (15-4), the outer side wall (15-1) is in the shape of an arc of equal diameter, the inner side wall (15-2) is also in the shape of an arc of equal diameter, and the outer side wall ( The arc radius of 15-1) is larger than that of the inner side wall (15-2). equal; the large end wall (15-3) and the small end wall (15-4) are both flat, and the width of the large end wall (15-3) is greater than the width of the small end wall (15-4). The widths of the walls (15-3) are equal, as are the widths of a pair of small end walls (15-4); The circles on which the pair of outer side walls (15-1) are located are coincident, and the center of the circle is the center of the twist cover, the circles where the pair of inner side walls (15-2) are located are not coincident, and the pair of inner side walls (15-2) ) and the center of the circle where the pair of outer side walls (15-1) are located are on the same straight line, and the two centers of the circle where the pair of inner side walls (15-2) are located are on the same line as the pair of outer side walls (15-2). The center of the circle where the wall (15-1) is located is set symmetrically to the center of symmetry; The twisting head (2-3) is installed in the locking tongue opening and closing twisting guide groove (15), and the arc radius of the inner wall of the twisting head (2-3) and the arc of the inner side wall (15-2) The radii are equal, the arc radius of the outer wall of the twisting head (2-3) is equal to the arc radius of the outer side wall (15-1), and the inner wall of the twisting head (2-3) is in contact with the inner wall (15-2) ; When the twist cover (3) is in the initial position, the twist head (2-3) is in contact with the large end wall (15-3), and the lock head (2-2) is in a closed state; when the twist cover (3) is twisted When reaching the limit position, the twisting head (2-3) is in contact with the small end wall (15-4), and the locking head (2-2) is in a fully open state; The distance between the planes where the pair of large end walls (15-3) are located is equal to the width of the twist head (2-3), and the distance between the planes where the pair of small end walls (15-4) are located is equal to the width of the twisting head (2-3). The distance is equal to the width of the twist head (2-3); The top of the connecting column (5) is machined with a threaded connecting hole (16); The connection clamp head (6) is a dovetail head, and the connection clamp groove (7) is a circular arc-shaped dovetail cross-section groove matched with the dovetail head. 2. The self-locking lock suitable for the construction field according to claim 1, wherein the connecting column (5) is equipped with a self-stretching steel pipe diagonal support (17), and the self-stretching steel pipe The oblique support (17) includes a threaded steel pipe (17-1), a pair of internal threads with opposite thread rotation directions are symmetrically arranged in the threaded steel pipe (17-1), and screws (17-1) are respectively installed at both ends of the threaded steel pipe (17-1). 2) When the threaded steel pipe (17-1) rotates, the screws (17-2) at both ends expand and contract along the axial direction, and the end of the screw (17-2) is connected with one end of the hinged connection plate (17-3), which is hingedly connected The other end of the plate (17-3) is connected with the rotating threaded connection head (17-4), and the threaded steel pipe (17-1) can be kept in place when the rotating threaded connection head (17-4) is installed with the threaded connection hole (16). verb: move. 3. The self-locking lock suitable for the construction field according to claim 2, wherein the threaded steel pipe (17-1) is further provided with a turning handle (17-5). 4. The self-locking lock suitable for the construction field according to claim 1, wherein the connecting column (5) is equipped with a steel pipe connecting sleeve (18), and the steel pipe connecting sleeve (18) ) comprises a cylindrical body (18-1), one end of the cylindrical body (18-1) is provided with an end cover (18-2), and the center of the end cover (18-2) is provided with a thread for matching with a threaded connection hole (16). Connector (18-3). 5. The self-locking lock suitable for the construction field according to claim 1, wherein a twist handle (19) is provided on the top of the twist cover (3). 6 . The self-locking lock suitable for the construction field according to claim 5 , characterized in that, the twist handle ( 19 ) is provided with an auxiliary twist hole ( 20 ). 7 . 7. The application of the self-locking lock that is applicable to the construction field as described in any one of claims 1 to 6 in prefabricated shear wall oblique support, safety guardrail, inner oblique special-shaped member support and outer oblique special-shaped member support .

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