CN112008656A - Replaceable quick-mounting fastening bolt - Google Patents

Abstract

The invention relates to a replaceable fast-installing fastening bolt, which comprises an L-shaped device main body, a fastening handle, a corner connecting piece, a connecting block, a plurality of connecting heads, a first pin rod, a second pin rod and a third pin rod . The operator can match the corresponding connector according to the required outer diameter of the threaded rod, connect the connector, the connecting block and the threaded rod, insert the threaded rod into the workpiece to be connected, and then thread the nut on the threaded rod. Pull the connecting block through the corner connector, and fix the workpiece to be connected through the threaded rod. After the operator connects the other through holes connecting the workpiece through the threaded rod and the nut, when the operator needs to disassemble the device, he can reverse the direction. Twist the tightening handle, then turn the device, after separating the threaded rod from the connector, the lower end of the threaded rod is tightened with a nut to complete the connection to the work. It effectively improves the work efficiency of the operator, is convenient for the operator to use, and is better than the traditional method.

Description

A replaceable quick-fit fastening bolt

technical field

The invention belongs to the technical field of bolt fastening, in particular to a replaceable quick-install fastening bolt.

Background technique

Fastening socket bolt type quick-release joints are currently mainly used for the end connection of corrugated steel corrugated hoses used for connection between natural gas appliances and household gas pipelines. Long service life, economical and other advantages.

The existing fastening bolts have certain drawbacks in use. Although the existing fastening bolts have a simple structure, the installation process still has the inconvenience of cumbersome installation, and the operator cannot easily and quickly remove the fastening bolts. It will affect the work efficiency of the operator, so it is more inconvenient, and it will have a certain impact in the process of use.

In order to quickly connect the two parts with bolts, the conventional method is to insert a metal rod into the bolt holes of the two parts to be connected for simple fixing, and then pass the bolts through the other bolt holes for fixed connection. , this connection method can still be used for two fixed components, but it is not convenient for the connection method when one of the components is movable or both components are movable, and it is easy for the metal rod to fall off and cause a safety accident.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a replaceable quick-install fastening bolt, so as to solve the problem of affecting work efficiency and safety when the fastening bolt is connected or disassembled in the prior art.

The present invention is achieved through the following technical solutions:

A replaceable quick-install fastening bolt, comprising an L-shaped device main body, a fastening handle, a corner connecting piece, a connecting block, a plurality of connecting heads, a first pin rod, a second pin rod and a third pin rod;

The main body of the L-shaped device is composed of a bottom plate and a side plate, a connecting seat is arranged on the side of the side plate close to the top end, a first pin hole and a second pin hole are arranged on the connecting seat, and the bottom plate is provided with a connecting seat. provided with connecting holes;

a tightening handle, one end of the tightening handle is rotatably connected with the connecting seat through the first pin rod;

One end of the angled connector is rotatably connected to the fastening handle through a second pin rod, and the other end of the angled connector is rotatably connected to one end of the connecting block through a third pin rod;

The connecting block movably passes through the connecting hole, and the other end of the connecting block is provided with a first internal threaded hole; a plurality of the connecting heads each include a connecting head body, and one end of the connecting head body is provided with a connecting head body. The first internal threaded hole of the connecting block is threaded with the external thread, and the other end of the multi-connector body is provided with a second internal threaded hole, the diameter of the second internal threaded hole Threaded rod.

Preferably, it includes a stabilizing sleeve, the stabilizing sleeve passes through the connecting hole and is fixedly connected with the connecting hole, and the axial centerline of the through hole of the stabilizing sleeve coincides with the axial centerline of the connecting hole , the connecting block moves through the stabilizing sleeve.

Preferably, it also includes a stabilizing sleeve, the stabilizing sleeve is arranged on the outer surface of the bottom plate, and the axial through hole of the stabilizing sleeve corresponds to the connecting hole, and the axial through hole of the stabilizing sleeve corresponds to the connecting hole. The axial centerline of the connecting block coincides with the axial centerline of the connecting hole, and the connecting block moves through the stable shaft sleeve and the connecting hole.

Preferably, one end of the fastening handle is provided with an opening groove, the opening groove is provided with an opposite first through hole, the base is arranged in the opening groove, and the first through hole is connected to the opening groove. Corresponding to the first pin holes, the first pin rods pass through the first through holes and the first pin holes.

Preferably, a non-slip cover is provided on the fastening handle.

Preferably, a pin rod fixing cap is sleeved on one side of the outer end of the first pin rod, a placement groove is provided on the fastening handle on the side corresponding to the pin rod fixing cap, and the The diameter of the circumscribed circle of the fixing cap is smaller than the diameter of the circumscribed circle of the placement groove.

Preferably, the first through hole is arranged at the bottom of the placement groove.

The beneficial effects of the present invention are:

When the operator needs to use the device for connection and fixation, the operator can match the corresponding connector according to the required outer diameter of the threaded rod, threadedly connect the connector to the connection block, and then threadedly connect the threaded rod to the connector, and then Insert the threaded rod into the workpiece to be connected, and then the operator will screw the nut on the threaded rod, and the operator can adjust the nut to a suitable position, hold the anti-skid sleeve, and then forcefully move the tightening handle. After pulling the connecting block through the corner connector, the threaded rod can be driven through the connecting hole and the stabilizing sleeve, and the workpiece to be connected is fixed by the threaded rod. After connection, when the operator needs to disassemble the device, he can turn the tightening handle in the opposite direction, and then turn the device, after separating the threaded rod from the connector, the lower end of the threaded rod is tightened with a nut to complete the connection to the work. . It effectively improves the work efficiency of the operator, is convenient for the operator to use, and is better than the traditional method.

By setting the first pin rod, in order to improve the service life of the fastening handle, when the operator needs to disassemble and replace the fastening handle, the operator can remove the pin rod fixing cap in the placement groove, and remove the first pin rod. The rod is removed from the pin hole, and the operator can quickly replace the fastening handle, which can effectively improve the service life of the device. Similarly, the second pin rod and the third pin rod can be easily removed. The lower angle connector and the threaded rod are repaired and replaced, which improves the practicability of the device and is convenient for operators to use, which is better than the traditional method.

Description of drawings

Fig. 1 is the structural schematic diagram of the replaceable quick-install fastening bolt of the present invention;

Fig. 2 is the front structural view of the replaceable quick-install fastening bolt of the present invention;

FIG. 3 is a schematic structural diagram of the first pin rod and the fastening handle.

1. Device main body; 2. Connection seat; 3. Fastening handle; 4. First pin rod; 5. Threaded rod; 6. Nut; 7. Connection hole; 8. Connection block; 9. Angled connector; 10. The second pin rod; 11. The third pin rod; 12, the anti-skid sleeve; 13, the stabilizing sleeve; 14, the first pin hole; 15, the pin rod fixing cap; 16, the placement slot; 17, the connecting head; 101 , bottom plate; 102, side plate.

Detailed ways

The technical solutions of the present invention will be described in detail by the following examples. The following examples are only exemplary, and can only be used to explain and illustrate the technical solutions of the present invention, but cannot be construed as limitations on the technical solutions of the present invention.

Referring to Figures 1 to 3, the present application provides a quick-fit fastening bolt, including an L-shaped device body 1, which is composed of a bottom plate 101 and a side plate 102. In the technical solution of the present application, the L-shaped device body is formed by bending The bottom plate and the side plate, and the bottom plate and the side plate are vertical, in the technical solution of the present application, the angles of the L-shaped device main body are rounded, and the width of the upper half of the side plate is smaller than the width of the lower half of the side plate .

A connecting seat 2 is provided on the side of the side plate close to the top end. In the technical solution of the present application, the connecting seat is formed by extending outward from the side of the side plate close to the upper end, and then bending in the same direction as the bottom plate, The base is perpendicular to the side plate, and in other embodiments of the present application, the base can also be a separate structure connected to the side plate as an integral structure by welding.

The connecting seat 2 is provided with a first pin hole 14 , the inner diameter of the first pin hole 14 is slightly larger than the outer diameter of the first pin rod 4 , and the bottom plate 101 is provided with a connecting hole 7 .

One side of the fastening handle 3 is provided with an opening groove, and the opening groove is provided with opposite first through holes, and the first through holes correspond to the first pin holes, and are provided on both sides of the fastening handle There is a placement slot 16, and the first through holes are all arranged in the placement slot. After the first pin rod passes through the first through hole and the first pin hole, the pin rod fixing cap 15 is used for fixing. The diameter of the circle is smaller than the diameter of the inscribed circle of the placement groove, and the pin rod fixing cap is arranged in the placement groove, so that the fastening handle and the base are rotatably connected through the first pin rod.

An anti-slip sleeve 12 is provided at one end of the fastening handle 3, and the operator can better pull the fastening handle through the anti-slip sleeve.

A stabilizing sleeve 13 is provided in the connecting hole 7 on the bottom plate 101 , the stabilizing sleeve 13 passes through the connecting hole and is fixedly connected with the connecting hole, and the axial centerline of the through hole of the stabilizing sleeve is connected to the The axial centerlines of the connecting holes coincide, and the connecting block 8 can move through the stabilizing sleeve. The connecting block moves through the stabilizing sleeve, and one end of the connecting block is provided with a third pin hole, which is rotatably connected with the corner connector 9 through the third pin rod 11, and the other end of the corner connector is connected with the tightening member through the second pin rod 10. The fixed handle is rotated and connected, and by pulling the tightening handle, the connecting block slides in the stabilizing sleeve, so that the whole device can protect the threaded rod from sliding more stably through the stabilizing sleeve.

In other embodiments of the present application, the stabilizing sleeve is disposed on the outer surface of the bottom plate, and the axial through hole of the stabilizing sleeve corresponds to the connecting hole, and the axial through hole of the stabilizing sleeve corresponds to the connecting hole. The axial centerline of the connecting block coincides with the axial centerline of the connecting hole, and the connecting block moves through the stable shaft sleeve and the connecting hole.

In the technical solution of the present application, the structures of the first pin rod 4, the second pin rod 10 and the third pin rod 11 are the same, and the angled connecting piece and the threaded rod can be easily removed for maintenance and replacement, which improves the performance of the device. practicability.

The other end of the connecting block is provided with a first internal threaded hole, which is used for threaded connection with the connecting head 17 . The technical solution of the present application includes a plurality of connectors, and the specific number of connectors is determined according to needs, and the specific number is not required here, but each connector includes a connector body, and the number of the connector body is One end is provided with an external thread that is threaded with the first internal threaded hole of the connecting block, which can ensure that no matter what size threaded rod is used, the threaded connection between the connecting head and the connecting block can be ensured, that is, multiple connecting head bodies The outer diameters of the external threads are the same and can be threadedly connected with the first internal threads. The inner diameter of the second inner threaded hole at the other end of each connector is different according to different needs. When a corresponding threaded rod is required, the corresponding connector can be matched.

The working principle of this technical solution is as follows:

When the operator needs to use the device for connection and fixation, the operator selects a threaded rod of the corresponding size according to the specifications of the through hole or installation hole on the to-be-connected part, selects the corresponding connector according to the specifications of the threaded rod, and attaches the connector to the It is threaded with the connecting block, and then one end of the threaded rod is connected to the second internal threaded hole that is not connected, and then the threaded rod 5 is inserted into the through hole or installation hole of the workpiece to be connected. To balance, use the two opposite devices, the operator then screw the nut 6 on the threaded rod 5, the operator can adjust the nut 6 to a suitable position, pinch the anti-skid sleeve 12 and then apply force After twisting the tightening handle 3, and pulling the connecting block 8 through the corner connector 9, the threaded rod 5 can be driven through the connecting hole 7 and the shaft stabilizing sleeve 13, and the workpiece to be connected is fixed by the threaded rod 5, and then operate After connecting other installation holes with threaded rods and nuts, the personnel turn the tightening handle 3 in the opposite direction, and then rotate the device to separate the connecting head from the threaded rod, and then use the nut to threaded the end of the threaded rod. Connection, that is, the safe connection of the parts to be connected is completed, and there will be no safety problems such as displacement of the pipe to be connected, threaded rod falling off, etc., which effectively improves the work efficiency of the operator. In order to improve the use of the tightening handle 3 When the operator needs to disassemble and replace the fastening handle 3, the operator can remove the pin rod fixing cap 15 in the placement groove 16, and remove the first pin rod 4 from the pin hole 14. The tightening handle 3 can be quickly replaced and used, which can effectively improve the service life of the device. Similarly, through the second pin rod 10 and the third pin rod 11, the angled connector 9 and the thread can be easily removed. The rod 5 is repaired and replaced, which improves the practicability of the device, is convenient for the operator to use, and is more practical.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the solution and its inventive concept shall be included within the protection scope of the present invention.

Claims (7)

1. A replaceable quick-assembly fastening bolt is characterized by comprising an L-shaped device main body, a fastening handle, a bent angle connecting piece, a connecting block, a plurality of connectors, a first pin rod, a second pin rod and a third pin rod;

the L-shaped device main body consists of a bottom plate and a side plate, wherein a connecting seat is arranged on one side of the side plate close to the top end, a first pin hole is formed in the connecting seat, and a connecting hole is formed in the bottom plate;

one end of the fastening handle is rotatably connected with the connecting seat through a first pin rod;

one end of the bent angle connecting piece is rotatably connected with the fastening handle through a second pin rod, and the other end of the bent angle connecting piece is rotatably connected with one end of the connecting block through a third pin rod;

the connecting block movably penetrates through the connecting hole, and a first internal threaded hole is formed in the other end of the connecting block; a plurality of the connector all includes the connector body the one end of connector body be provided with the first internal thread hole screw-thread fit's of connecting block external screw thread, the other end of many connector bodies is provided with second internal thread hole, the diameter in second internal thread hole is inequality for the threaded rod of the different external diameters of cooperation.

2. A replaceable quick-mounting fastening bolt as claimed in claim 1, which includes a stabilizing sleeve extending through and fixedly connected to the attachment hole, the axial centerline of the through hole of the stabilizing sleeve coinciding with the axial centerline of the attachment hole, the connecting block extending movably through the stabilizing sleeve.

3. The replaceable quick-mounting fastening bolt as claimed in claim 1, further comprising a stabilizing sleeve, wherein the stabilizing sleeve is disposed on the outer surface of the base plate, the axial through hole of the stabilizing sleeve corresponds to the connecting hole, the axial center line of the axial through hole of the stabilizing sleeve coincides with the axial center line of the connecting hole, and the connecting block movably passes through the stabilizing sleeve and the connecting hole.

4. The replaceable quick-assembling fastening bolt as claimed in claim 1, wherein an open slot is formed at one end of the fastening handle, a first through hole is formed in the open slot, the base is disposed in the open slot, the first through hole corresponds to the first pin hole, and the first pin passes through the first through hole and the first pin hole.

5. A replaceable quick-mounting fastening bolt as claimed in claim 4, characterized in that an anti-slip sleeve is provided on the fastening handle.

6. The replaceable quick-assembling fastening bolt as claimed in claim 4, wherein a pin fixing cap is sleeved on one side of the outer end of the first pin, a placing groove is formed in the fastening handle on the side corresponding to the pin fixing cap, and the diameter of the circumscribed circle of the pin fixing cap is smaller than the diameter of the inscribed circle of the placing groove.

7. A replaceable quick-mounting fastening bolt as claimed in claim 6 wherein the first through-hole is provided in the bottom of the placement slot.

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