CN220916781U - Draw-bar box draw-bar fixing device - Google Patents

Abstract

The utility model discloses a draw-bar box draw-bar fixing device which comprises a draw-bar box body, a draw-bar body and an access door, wherein the draw-bar body is arranged on the back surface of the interior of the draw-bar box body, the bottom of the draw-bar body is fixedly connected with a mounting block, and the access door is hinged on the back surface of the draw-bar box body; further comprises: the outside of access door is connected for the block between the inner wall of draw-bar box body, the spout has been seted up about draw-bar body central point symmetry to draw-bar box body inner wall, just the inner wall sliding connection of spout has the slider, two the opposite face of slider and the both sides fixed connection of draw-bar body. This draw-bar box pull rod fixing device for fixture block and draw-in groove separation through two rack relative movement, locating piece and constant head tank separation simultaneously, and then remove the fixed to the pull rod body, thereby be convenient for maintain and change the pull rod body, and can improve the fastness to the pull rod body is fixed, avoid taking place not hard up when using.

Description

Draw-bar box draw-bar fixing device

Technical Field

The utility model relates to the technical field of draw-bar boxes, in particular to a draw-bar box draw-bar fixing device.

Background

The draw-bar box refers to a draw-bar box with a draw bar and rollers, and is widely used because of convenient use; meanwhile, the draw-bar box is also provided with a draw bar due to the fact that the box is provided with a single-tube draw bar and a double-tube draw bar, the tubes of the draw bar are also provided with square tubes and round tubes, so that the draw-bar box is convenient to walk and drags, the burden is greatly reduced, for example, a draw-bar box draw-bar fixing device with the publication number of CN219645226U is provided with an access door, a knob and a threaded rod, the access door is hinged to the front end of the draw-bar box, the access door and a mounting block are arranged in parallel, the threaded rod penetrates through the front end of the access door, the knob is arranged at the front end of the threaded rod, the threaded rod is separated from the draw-bar box, the access door is opened and closed through the rotary knob, the mounting block is just opposite to the opening of the access door, the bolts on the mounting block are all detached, the draw-bar is pulled out through the handle, and the draw-bar is overhauled and replaced, and the draw-bar box draw-bar fixing device still has the following defects in the practical use process:

When the mechanism is used, after bolts on the mounting blocks are detached, the pull rod is pulled out through the handle, and overhauling and replacing are performed on the pull rod, but each time the pull rod can be detached only by a worker who needs to screw a plurality of bolts in sequence, and meanwhile, when the pull rod is mounted, the bolts are screwed in sequence, so that the operation is troublesome, and the pull rod is inconvenient to disassemble and assemble rapidly.

Therefore, we propose a draw-bar box draw-bar fixing device which can well solve the problems.

Disclosure of Invention

The utility model aims to provide a draw-bar box draw-bar fixing device, which solves the problems that when the draw-bar box draw-bar fixing device is used, bolts on an installation block are detached, and then a handle is used for drawing out a draw bar to overhaul and replace the draw bar, but each time the draw bar is replaced, a plurality of bolts are required to be screwed by a worker in sequence to detach the draw bar, and meanwhile, a plurality of bolts are required to be screwed in sequence when the draw bar is installed, so that the operation is troublesome and the draw bar is inconvenient to disassemble and assemble.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the draw-bar box draw-bar fixing device comprises a draw-bar box body, a draw-bar body and an access door, wherein the draw-bar body is mounted on the back side of the interior of the draw-bar box body, the bottom of the draw-bar body is fixedly connected with a mounting block, and the access door is hinged to the back side of the draw-bar box body;

further comprises: the outer side of the access door is in clamping connection with the inner wall of the draw-bar box body, sliding grooves are symmetrically formed in the inner wall of the draw-bar box body relative to the center point of the draw-bar box body, sliding blocks are connected to the inner wall of the sliding grooves in a sliding manner, and the opposite surfaces of the two sliding blocks are fixedly connected with the two sides of the draw-bar box body;

The two sides of the pull rod body are positioned below the sliding blocks, the middle position inside the installation block is rotationally connected with a gear through a shaft, the shaft end of the gear penetrates through the inside of the installation block, a deep groove is symmetrically formed inside the installation block relative to the center point of the gear, and the inner wall of the deep groove is slidably connected with a clamping block;

The installation block is internally provided with racks which are symmetrically and slidably connected above and below the gear, and a vortex spring is arranged at the connection position of the shaft end of the gear and the installation block.

Preferably, the left side and the right side of the inside of the draw-bar box body are both slidingly connected with guide blocks, the tops of the guide blocks extend into the sliding groove, the bottoms of the guide blocks are obliquely arranged, and a third spring is arranged at the connection position between the outer sides of the guide blocks and the draw-bar box body.

By adopting the technical scheme, the guide block can be pushed to move downwards by the downward movement of the sliding block.

Preferably, the left and right sides of the draw-bar box body are located below the guide block and are provided with accommodating grooves, the inner walls of the accommodating grooves are slidably connected with moving blocks, one ends of the moving blocks are connected with the inner walls of the accommodating grooves through first springs, and magnets are fixed on the other ends of the moving blocks and the side, away from the draw-bar body, of the fixed blocks, and the magnetism of the opposite faces of the two magnets is opposite.

Through adopting above-mentioned technical scheme, utilize the principle that magnet opposite phase attracts, can fix the pull rod body.

Preferably, the top of the moving block is provided with a groove, and the inner wall of the groove is attached to the bottom of the guide block.

By adopting the technical scheme, the guide block is inserted into the groove and can drive the moving block to move.

Preferably, the outer sides of the gears are in meshed connection with opposite surfaces of the two racks, and opposite ends of the two racks are fixedly connected with the end parts of the clamping blocks through traction ropes.

By adopting the technical scheme, the two racks can move relatively, and the clamping block is pulled to move by the traction rope.

Preferably, the opposite ends of the two clamping blocks are connected with the inner wall of the deep groove through the second spring, clamping grooves are formed in the left side and the right side of the inside of the draw-bar box body, the clamping blocks correspond to the clamping grooves in position, and one end, away from the second spring, of each clamping block is connected with the inner wall of each clamping groove in a clamping mode.

By adopting the technical scheme, the clamping blocks are driven to be clamped into the corresponding clamping grooves by the elasticity of the second springs.

Preferably, the left side sliding of the inside below of installation piece is connected with the locating piece, just pass through the movable rod between the top of locating piece and the bottom of below rack, be articulated connection between both ends of movable rod and locating piece and the rack respectively, the constant head tank has been seted up to draw-bar box body inner wall below that is located the installation piece, be the block connection between the bottom of locating piece and the constant head tank inner wall.

By adopting the technical scheme, the movable rod rotates and pushes the positioning block to be clamped into the corresponding positioning groove.

Compared with the prior art, the utility model has the beneficial effects that: this draw-bar box pull rod fixing device for fixture block and draw-in groove separation through two rack relative movement, locating piece and constant head tank separation simultaneously, and then remove the fixed to the pull rod body, thereby be convenient for maintain and change the pull rod body, and can improve the fastness to the pull rod body is fixed, avoid taking place not hard up when using, its concrete content is as follows:

(1) The pull rod body is provided with the access door, when the pull rod body is required to be maintained and replaced, the access door is opened, the gear is rotated, the two racks can move relatively due to the meshing of the gear block and the two racks, the clamping block is pulled to be separated from the clamping groove by utilizing the traction force generated by the traction rope, meanwhile, the positioning block is separated from the positioning groove, and the fixation of the pull rod body is released, so that the pull rod body is convenient to detach, maintain and replace;

(2) The movable block is arranged, the sliding block is clamped into the sliding groove in the draw-bar box body through the upper sliding block of the draw-bar body and moves downwards, so that the guide block is stressed to move downwards and is inserted into the groove, the movable block drives the magnets to move at the moment, the draw-bar body can be fixed due to the principle that two magnets are opposite and attracted, then the clamping block is clamped into the corresponding clamping groove through the elastic force of the second spring, and meanwhile the positioning block is clamped into the positioning groove, so that the firmness of fixing the draw-bar body is improved, and looseness is avoided.

Drawings

FIG. 1 is a schematic view of the main section structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of the main sectional structure of the mounting block of the present utility model;

FIG. 4 is a schematic top view of a gear according to the present utility model;

FIG. 5 is a schematic top view of a slider and chute according to the present utility model;

Fig. 6 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.

In the figure: 1. a draw-bar box body; 2. a pull rod body; 3. a mounting block; 4. an access door; 5. a slide block; 6. a chute; 7. a guide block; 8. a receiving groove; 9. a moving block; 10. a first spring; 11. a fixed block; 12. a magnet; 13. a gear; 14. a rack; 15. a deep groove; 16. a clamping block; 17. a second spring; 18. a traction rope; 19. a clamping groove; 20. a movable rod; 21. a positioning block; 22. a vortex spring; 23. and a third spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a draw-bar box pull rod fixing device, includes draw-bar box body 1, pull rod body 2 and access door 4, and the inside back of draw-bar box body 1 installs pull rod body 2, and the bottom fixedly connected with installation piece 3 of pull rod body 2, and the back of draw-bar box body 1 articulates has access door 4;

Further comprises: the outer side of the access door 4 is in clamping connection with the inner wall of the draw-bar box body 1, a gear 13 is connected in the middle position inside the installation block 3 through shaft rotation, the shaft end of the gear 13 penetrates through the inside of the installation block 3, a deep groove 15 is symmetrically formed in the installation block 3 relative to the center point of the gear 13, clamping blocks 16 are slidably connected to the inner wall of the deep groove 15, opposite ends of the two clamping blocks 16 are connected with the inner wall of the deep groove 15 through second springs 17, clamping grooves 19 are formed in the left side and the right side inside the draw-bar box body 1, the clamping blocks 16 correspond to the positions of the clamping grooves 19, and one end, far away from the second springs 17, of each clamping block 16 is in clamping connection with the inner wall of the corresponding clamping groove 19; the inside of the installation block 3 is symmetrically and slidingly connected with racks 14 above and below the gear 13, the outer sides of the gear 13 are in meshed connection with the opposite surfaces of the two racks 14, the opposite ends of the two racks 14 are fixedly connected with the end parts of the clamping blocks 16 through traction ropes 18, vortex springs 22 are installed at the connection positions of the shaft ends of the gear 13 and the installation block 3, a positioning block 21 is slidingly connected to the left side below the inside of the installation block 3, the top of the positioning block 21 and the bottom of the lower rack 14 are in hinged connection through a movable rod 20, two ends of the movable rod 20 are respectively connected with the positioning block 21 and the racks 14, a positioning groove is formed in the position, below the installation block 3, of the inner wall of the draw-bar box body 1, and the bottom of the positioning block 21 is in clamping connection with the inner wall of the positioning groove;

As shown in fig. 1-4, when the pull rod body 2 needs to be maintained and replaced, a worker only needs to pull the access door 4 first, then rotates the counter-clockwise rotation gear 13, because the gear 13 is meshed with the two racks 14, the gear 13 rotates to drive the two racks 14 to move relatively, at this time, the pulling rope 18 can pull the clamping block 16 to move and separate from the clamping groove 19 (at this time, the second spring 17 is in a compressed state), meanwhile, the movable rod 20 rotates and drives the positioning block 21 to move upwards to separate from the positioning groove, further the fixation of the installation block 3 is released, then the worker pulls the pull rod body 2 upwards, so that the pull rod body 2 is convenient to be removed for maintenance and replacement, then a new pull rod body 2 is installed into the pull rod box body 1, at this time, the worker loosens the rotation of the gear 13, the gear 13 rotates reversely under the force of the vortex spring 22, the two racks 14 can be driven to move reversely, the rear clamping block 16 is clamped into the corresponding clamping groove 19 by the elasticity of the second spring 17, at the same time, the movable rod 20 rotates and pushes the positioning block 21 to be clamped into the positioning groove, thereby improving the fixation of the pull rod body 2, and avoiding the occurrence of looseness.

The inner wall of the draw-bar box body 1 is symmetrically provided with a sliding groove 6 about the center point of the draw-bar body 2, the inner wall of the sliding groove 6 is connected with sliding blocks 5 in a sliding manner, and the opposite surfaces of the two sliding blocks 5 are fixedly connected with the two sides of the draw-bar body 2; the fixed blocks 11 are arranged below the sliding blocks 5 on two sides of the pull rod body 2, the guide blocks 7 are slidably connected on the left side and the right side of the inside of the pull rod box body 1, the tops of the guide blocks 7 extend into the sliding grooves 6, the bottoms of the guide blocks 7 are obliquely arranged, the third springs 23 are arranged at the connecting positions of the outer sides of the guide blocks 7 and the pull rod box body 1, grooves are formed in the tops of the moving blocks 9, the inner walls of the grooves are attached to the bottoms of the guide blocks 7, the accommodating grooves 8 are formed in the left side and the right side of the inside of the pull rod box body 1 below the guide blocks 7, the moving blocks 9 are slidably connected on the inner walls of the accommodating grooves 8, one ends of the moving blocks 9 are connected with the inner walls of the accommodating grooves 8 through the first springs 10, magnets 12 are fixedly arranged on one sides of the other ends of the moving blocks 9, which are far away from the pull rod body 2, of the two magnets 12 are opposite in magnetism;

As shown in fig. 1, 5 and 6, the sliding block 5 on the new pull rod body 2 is clamped into the sliding groove 6 in the pull rod box body 1 by a worker and moves downwards, at this time, the sliding block 5 can move the guide block 7 downwards, the guide block 7 can be driven to move when being inserted into the groove due to the fact that the bottom of the guide block 7 is attached to the inner wall of the groove, then the magnet 12 on the guide block 7 is connected with the magnet 12 on the fixed block 11 due to the principle that two magnets 12 are attracted mutually, the pull rod body 2 can be fixed, further, after the fixing of the installation block 3 is released, when the pull rod body 2 is pulled upwards, the sliding block 5 slides upwards in the sliding groove 6, and does not squeeze the guide block 7 any more, so that the guide block 7 is reset by the elasticity of the third spring 23 and separated from the groove, and then the magnet 12 on the fixed block 11 is separated from the magnet 12 on the moving block 9, and at the same time the moving block 9 is reset by the elasticity of the first spring 10, and the fixing of the pull rod body 2 is released.

Working principle: when the draw-bar box draw-bar fixing device is used, as shown in fig. 1-6, firstly, the gear 13 is rotated anticlockwise to enable the clamping block 16 to move and separate from the clamping groove 19, meanwhile, the positioning block 21 moves upwards and separates from the positioning groove, the fixing of the installation block 3 is further released, then a worker pulls the draw-bar body 2 upwards, so that the draw-bar body 2 is convenient to detach, repair and replace, then the sliding block 5 on the new draw-bar body 2 is clamped into the sliding groove 6 in the draw-bar box body 1, at the moment, the magnet 12 on the guide block 7 is connected with the magnet 12 on the fixed block 11, the draw-bar body 2 can be fixed, then the clamping block 16 is clamped into the corresponding clamping groove 19 under the elastic force of the second spring 17, and meanwhile, the movable rod 20 rotates and pushes the positioning block 21 to be clamped into the positioning groove, so that the fixing firmness of the draw-bar body 2 is improved, and looseness is avoided.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a draw-bar box pull rod fixing device, includes draw-bar box body (1), draw-bar body (2) and access door (4), draw-bar body (2) are installed to the inside back of draw-bar box body (1), just the bottom fixedly connected with installation piece (3) of draw-bar body (2), the back of draw-bar box body (1) articulates there is access door (4);

Characterized by further comprising:

The outer side of the access door (4) is in clamping connection with the inner wall of the draw-bar box body (1), sliding grooves (6) are symmetrically formed in the inner wall of the draw-bar box body (1) relative to the center point of the draw-bar body (2), sliding blocks (5) are slidably connected to the inner wall of each sliding groove (6), and opposite surfaces of the two sliding blocks (5) are fixedly connected with two sides of the draw-bar body (2);

The two sides of the pull rod body (2) are positioned below the sliding blocks (5), the middle position inside the installation block (3) is connected with a gear (13) through shaft rotation, the shaft end of the gear (13) penetrates through the inside of the installation block (3), deep grooves (15) are symmetrically formed inside the installation block (3) relative to the center point of the gear (13), and the inner walls of the deep grooves (15) are slidably connected with clamping blocks (16);

The installation block (3) is internally provided with racks (14) which are symmetrically and slidably connected above and below the gear (13), and a vortex spring (22) is arranged at the connection position of the shaft end of the gear (13) and the installation block (3).

2. A draw-bar box drawbar fixing device according to claim 1, characterized in that: the draw-bar box is characterized in that guide blocks (7) are slidably connected to the left side and the right side of the inside of the draw-bar box body (1), the top of each guide block (7) stretches into the sliding groove (6), the bottom of each guide block (7) is obliquely arranged, and a third spring (23) is arranged at the connection position between the outer side of each guide block (7) and the draw-bar box body (1).

3. A draw-bar box drawbar fixing device according to claim 1, characterized in that: the draw-bar box is characterized in that the left side and the right side of the interior of the draw-bar box body (1) are located below the guide block (7) to form a containing groove (8), the inner wall of the containing groove (8) is slidably connected with a moving block (9), one end of the moving block (9) is connected with the inner wall of the containing groove (8) through a first spring (10), the other end of the moving block (9) and one side, far away from the draw-bar body (2), of the fixed block (11) are respectively fixed with a magnet (12), and the magnetism of the opposite faces of the two magnets (12) is opposite.

4. A draw-bar box drawbar fixing device according to claim 3, wherein: the top of the moving block (9) is provided with a groove, and the inner wall of the groove is attached to the bottom of the guide block (7).

5. A draw-bar box drawbar fixing device according to claim 1, characterized in that: the outer sides of the gears (13) are in meshed connection with opposite surfaces of the two racks (14), and opposite ends of the two racks (14) are fixedly connected with the end parts of the clamping blocks (16) through traction ropes (18).

6. A draw-bar box drawbar fixing device according to claim 1, characterized in that: opposite ends of the two clamping blocks (16) are connected with the inner wall of the deep groove (15) through the second springs (17), clamping grooves (19) are formed in the left side and the right side of the inside of the draw-bar box body (1), the positions of the clamping blocks (16) and the clamping grooves (19) are corresponding, and one ends, far away from the second springs (17), of the clamping blocks (16) are connected with the inner wall of the clamping grooves (19) in a clamping mode.

7. A draw-bar box drawbar fixing device according to claim 1, characterized in that: the left side sliding of installation piece (3) inside below is connected with locating piece (21), just pass through movable rod (20) between the bottom of the top of locating piece (21) and below rack (14), be articulated connection between both ends of movable rod (20) and locating piece (21) and rack (14) respectively, the constant head tank has been seted up to draw-bar box body (1) inner wall below in installation piece (3), be the block connection between the bottom of locating piece (21) and the constant head tank inner wall.